+// -*- C -*-
+//
+// In mips.igen, the semantics for many of the instructions were created
+// using code generated by gencode. Those semantic segments could be
+// greatly simplified.
+//
// <insn> ::=
// <insn-word> { "+" <insn-word> }
// ":" <format-name>
// IGEN config - mips16
-:option:16:insn-bit-size:16
-:option:16:hi-bit-nr:15
-:option:16:insn-specifying-widths:true
+// :option:16::insn-bit-size:16
+// :option:16::hi-bit-nr:15
+:option:16::insn-specifying-widths:true
+:option:16::gen-delayed-branch:false
-// IGEN config - mipsI..
-:option:32:insn-bit-size:32
-:option:32:hi-bit-nr:31
-:option:32:insn-specifying-widths:true
+// IGEN config - mips32/64..
+// :option:32::insn-bit-size:32
+// :option:32::hi-bit-nr:31
+:option:32::insn-specifying-widths:true
+:option:32::gen-delayed-branch:false
// Generate separate simulators for each target
-:option::multi-sim:true
+// :option:::multi-sim:true
// Models known by this simulator
-:model::mipsI:mipsI:
-:model::mipsII:mipsII:
-:model::mipsIII:mipsIII:
-:model::mipsIV:mipsIV:
-:model::mips16:mips16:
-// start-sanitize-r5900
-:model::r5900:r5900:
-// end-sanitize-r5900
-:model::r3900:r3900:
-// start-sanitize-tx19
-:model::tx19:tx19:
-// end-sanitize-tx19
+:model:::mipsI:mips3000:
+:model:::mipsII:mips6000:
+:model:::mipsIII:mips4000:
+:model:::mipsIV:mips8000:
+:model:::mips16:mips16:
+:model:::r3900:mips3900:
+:model:::vr4100:mips4100:
+:model:::vr5000:mips5000:
// Pseudo instructions known by IGEN
-:internal:::illegal
+:internal::::illegal:
{
- sim_io_eprintf (SD, "Illegal instruction at address 0x%lx\n",
- (unsigned long) cia);
- sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIGILL);
+ SignalException (ReservedInstruction, 0);
}
+// Pseudo instructions known by interp.c
+// For grep - RSVD_INSTRUCTION, RSVD_INSTRUCTION_MASK
+000000,5.*,5.*,5.*,5.OP,000101:SPECIAL:32::RSVD
+"rsvd <OP>"
+{
+ SignalException (ReservedInstruction, instruction_0);
+}
+
+// Helper:
//
-// MIPS Architecture:
+// Simulate a 32 bit delayslot instruction
+//
+
+:function:::address_word:delayslot32:address_word target
+{
+ instruction_word delay_insn;
+ sim_events_slip (SD, 1);
+ DSPC = CIA;
+ CIA = CIA + 4; /* NOTE not mips16 */
+ STATE |= simDELAYSLOT;
+ delay_insn = IMEM32 (CIA); /* NOTE not mips16 */
+ ENGINE_ISSUE_PREFIX_HOOK();
+ idecode_issue (CPU_, delay_insn, (CIA));
+ STATE &= ~simDELAYSLOT;
+ return target;
+}
+
+:function:::address_word:nullify_next_insn32:
+{
+ sim_events_slip (SD, 1);
+ dotrace (SD, CPU, tracefh, 2, CIA + 4, 4, "load instruction");
+ return CIA + 8;
+}
+
+// Helper:
+//
+// Check that an access to a HI/LO register meets timing requirements
+//
+// The following requirements exist:
+//
+// - A MT {HI,LO} update was not immediatly preceeded by a MF {HI,LO} read
+// - A OP {HI,LO} update was not immediatly preceeded by a MF {HI,LO} read
+// - A MF {HI,LO} read was not corrupted by a preceeding MT{LO,HI} update
+// corruption occures when MT{LO,HI} is preceeded by a OP {HI,LO}.
+//
+
+:function:::int:check_mf_cycles:hilo_history *history, signed64 time, const char *new
+{
+ if (history->mf.timestamp + 3 > time)
+ {
+ sim_engine_abort (SD, CPU, CIA, "HILO: %s: %s at 0x%08lx too close to MF at 0x%08lx\n",
+ itable[MY_INDEX].name,
+ new, (long) CIA,
+ (long) history->mf.cia);
+ return 0;
+ }
+ return 1;
+}
+
+:function:::int:check_mt_hilo:hilo_history *history
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = check_mf_cycles (SD_, history, time, "MT");
+ history->mt.timestamp = time;
+ history->mt.cia = CIA;
+ return ok;
+}
+
+:function:::int:check_mt_hilo:hilo_history *history
+*r3900:
+{
+ signed64 time = sim_events_time (SD);
+ history->mt.timestamp = time;
+ history->mt.cia = CIA;
+ return 1;
+}
+
+
+:function:::int:check_mf_hilo:hilo_history *history, hilo_history *peer
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = 1;
+ if (peer != NULL
+ && peer->mt.timestamp > history->op.timestamp
+ && history->mt.timestamp < history->op.timestamp
+ && ! (history->mf.timestamp > history->op.timestamp
+ && history->mf.timestamp < peer->mt.timestamp)
+ && ! (peer->mf.timestamp > history->op.timestamp
+ && peer->mf.timestamp < peer->mt.timestamp))
+ {
+ /* The peer has been written to since the last OP yet we have
+ not */
+ sim_engine_abort (SD, CPU, CIA, "HILO: %s: MF at 0x%08lx following OP at 0x%08lx corrupted by MT at 0x%08lx\n",
+ itable[MY_INDEX].name,
+ (long) CIA,
+ (long) history->op.cia,
+ (long) peer->mt.cia);
+ ok = 0;
+ }
+ history->mf.timestamp = time;
+ history->mf.cia = CIA;
+ return ok;
+}
+
+
+
+:function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = (check_mf_cycles (SD_, hi, time, "OP")
+ && check_mf_cycles (SD_, lo, time, "OP"));
+ hi->op.timestamp = time;
+ lo->op.timestamp = time;
+ hi->op.cia = CIA;
+ lo->op.cia = CIA;
+ return ok;
+}
+
+// The r3900 mult and multu insns _can_ be exectuted immediatly after
+// a mf{hi,lo}
+:function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
+*r3900:
+{
+ /* FIXME: could record the fact that a stall occured if we want */
+ signed64 time = sim_events_time (SD);
+ hi->op.timestamp = time;
+ lo->op.timestamp = time;
+ hi->op.cia = CIA;
+ lo->op.cia = CIA;
+ return 1;
+}
+
+
+:function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = (check_mf_cycles (SD_, hi, time, "OP")
+ && check_mf_cycles (SD_, lo, time, "OP"));
+ hi->op.timestamp = time;
+ lo->op.timestamp = time;
+ hi->op.cia = CIA;
+ lo->op.cia = CIA;
+ return ok;
+}
+
+
+
+
+
+//
+// Mips Architecture:
//
// CPU Instruction Set (mipsI - mipsIV)
//
+
000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD
"add r<RD>, r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- ALU32_BEGIN (GPR (RS));
- ALU32_ADD (GPR (RT));
- ALU32_END (GPR (RD));
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ {
+ ALU32_BEGIN (GPR[RS]);
+ ALU32_ADD (GPR[RT]);
+ ALU32_END (GPR[RD]);
+ }
+ TRACE_ALU_RESULT (GPR[RD]);
}
+
001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI
"addi r<RT>, r<RS>, IMMEDIATE"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- ALU32_BEGIN (GPR (RS));
- ALU32_ADD (EXTEND16 (IMMEDIATE));
- ALU32_END (GPR (RT));
+ TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE));
+ {
+ ALU32_BEGIN (GPR[RS]);
+ ALU32_ADD (EXTEND16 (IMMEDIATE));
+ ALU32_END (GPR[RT]);
+ }
+ TRACE_ALU_RESULT (GPR[RT]);
}
+
+:function:::void:do_addiu:int rs, int rt, unsigned16 immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
+ GPR[rt] = EXTEND32 (GPR[rs] + EXTEND16 (immediate));
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU
-"add r<RT>, r<RS>, IMMEDIATE"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+"addiu r<RT>, r<RS>, <IMMEDIATE>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- signed32 temp = GPR (RS) + EXTEND16 (IMMEDIATE);
- GPR (RT) = EXTEND32 (temp);
+ do_addiu (SD_, RS, RT, IMMEDIATE);
}
+
+:function:::void:do_addu:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = EXTEND32 (GPR[rs] + GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+"addu r<RD>, r<RS>, r<RT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- signed32 temp = GPR (RS) + GPR (RT);
- GPR (RD) = EXTEND32 (temp);
+ do_addu (SD_, RS, RT, RD);
}
+
+:function:::void:do_and:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = GPR[rs] & GPR[rt];
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND
"and r<RD>, r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RD) = GPR (RS) & GPR (RT);
+ do_and (SD_, RS, RT, RD);
}
+
001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI
-"and r<RT>, r<RS>, IMMEDIATE"
-*mipsI:
-*mipsII:
-*mipsIII:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+"and r<RT>, r<RS>, <IMMEDIATE>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RT) = GPR (RS) & IMMEDIATE;
+ TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE);
+ GPR[RT] = GPR[RS] & IMMEDIATE;
+ TRACE_ALU_RESULT (GPR[RT]);
}
+
000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ
-"beq r<RS>, r<RT>, OFFSET"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+"beq r<RS>, r<RT>, <OFFSET>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) == GPR (RT))
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
}
+
010100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQL
"beql r<RS>, r<RT>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) == GPR (RT))
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
- else
- NULLIFY();
+ else
+ NULLIFY_NEXT_INSTRUCTION ();
}
+
000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ
"bgez r<RS>, <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) >= 0)
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] >= 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
}
+
000001,5.RS!31,10001,16.OFFSET:REGIMM:32::BGEZAL
"bgezal r<RS>, <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- LR = (CIA + 8);
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) >= 0)
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ RA = (CIA + 8);
+ if ((signed_word) GPR[RS] >= 0)
{
- DSPC = (PC + offset);
- DELAYSLOT();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
}
+
000001,5.RS!31,10011,16.OFFSET:REGIMM:32::BGEZALL
"bgezall r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- LR = (CIA + 8);
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ RA = (CIA + 8);
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR (RS) >= 0)
+ if ((signed_word) GPR[RS] >= 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
else
- NULLIFY ();
+ NULLIFY_NEXT_INSTRUCTION ();
}
+
000001,5.RS,00011,16.OFFSET:REGIMM:32::BGEZL
"bgezl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) >= 0)
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] >= 0)
{
- DSPC = (PC + offset);
- DELAYSLOT();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
else
- NULLIFY ();
+ NULLIFY_NEXT_INSTRUCTION ();
}
+
000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ
"bgtz r<RS>, <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) > 0)
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] > 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
}
+
010111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZL
"bgtzl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR (RS) > 0)
+ if ((signed_word) GPR[RS] > 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
else
- NULLIFY ();
+ NULLIFY_NEXT_INSTRUCTION ();
}
+
000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ
"blez r<RS>, <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR (RS) <= 0)
+ if ((signed_word) GPR[RS] <= 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
}
+
010110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZL
"bgezl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) <= 0)
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] <= 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
else
- NULLIFY ();
+ NULLIFY_NEXT_INSTRUCTION ();
}
+
000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ
"bltz r<RS>, <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) < 0)
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] < 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
}
+
000001,5.RS!31,10000,16.OFFSET:REGIMM:32::BLTZAL
"bltzal r<RS>, <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- LR = (CIA + 8);
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ RA = (CIA + 8);
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR (RS) < 0)
+ if ((signed_word) GPR[RS] < 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
}
+
000001,5.RS!31,10010,16.OFFSET:REGIMM:32::BLTZALL
"bltzall r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- LR = (CIA + 8);
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) < 0)
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ RA = (CIA + 8);
+ if ((signed_word) GPR[RS] < 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
else
- NULLIFY ();
+ NULLIFY_NEXT_INSTRUCTION ();
}
+
000001,5.RS,00010,16.OFFSET:REGIMM:32::BLTZL
"bltzl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR (RS) < 0)
+ if ((signed_word) GPR[RS] < 0)
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
else
- NULLIFY ();
+ NULLIFY_NEXT_INSTRUCTION ();
}
+
000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE
"bne r<RS>, r<RT>, <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) != GPR (RT))
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
}
+
010101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNEL
"bnel r<RS>, r<RT>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The branch occurs AFTER the next instruction has been
- executed */
- if (GPR (RS) != GPR (RT))
+ address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
{
- DSPC = (PC + offset);
- DELAYSLOT ();
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
}
else
- NULLIFY ();
+ NULLIFY_NEXT_INSTRUCTION ();
}
+
000000,20.CODE,001101:SPECIAL:32::BREAK
"break"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- SignalException (BreakPoint, instruction_0);
+ /* Check for some break instruction which are reserved for use by the simulator. */
+ unsigned int break_code = instruction_0 & HALT_INSTRUCTION_MASK;
+ if (break_code == (HALT_INSTRUCTION & HALT_INSTRUCTION_MASK) ||
+ break_code == (HALT_INSTRUCTION2 & HALT_INSTRUCTION_MASK))
+ {
+ sim_engine_halt (SD, CPU, NULL, cia,
+ sim_exited, (unsigned int)(A0 & 0xFFFFFFFF));
+ }
+ else if (break_code == (BREAKPOINT_INSTRUCTION & HALT_INSTRUCTION_MASK) ||
+ break_code == (BREAKPOINT_INSTRUCTION2 & HALT_INSTRUCTION_MASK))
+ {
+ if (STATE & simDELAYSLOT)
+ PC = cia - 4; /* reference the branch instruction */
+ else
+ PC = cia;
+ SignalException(BreakPoint, instruction_0);
+ }
+
+ else
+ {
+ /* If we get this far, we're not an instruction reserved by the sim. Raise
+ the exception. */
+ SignalException(BreakPoint, instruction_0);
+ }
}
-0100,ZZ!0!1!3,26.COP_FUN:NORMAL:32::COPz
-"cop<ZZ> <COP_FUN>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- decode_coproc (SD_, ZZ, COP_FUN);
-}
+
+
000000,5.RS,5.RT,5.RD,00000,101100:SPECIAL:64::DADD
"dadd r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- ALU64_START (GPR (RS));
- ALU64_ADD (GPR (RT));
- ALU64_RESULT (GPR (RT));
+ /* this check's for overflow */
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ {
+ ALU64_BEGIN (GPR[RS]);
+ ALU64_ADD (GPR[RT]);
+ ALU64_END (GPR[RD]);
+ }
+ TRACE_ALU_RESULT (GPR[RD]);
}
+
011000,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDI
"daddi r<RT>, r<RS>, <IMMEDIATE>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- ALU64_START (GPR (RS));
- ALU64_ADD (EXTEND16 (IMMEDIATE));
- ALU64_RESULT (GPR (RT));
+ TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE));
+ {
+ ALU64_BEGIN (GPR[RS]);
+ ALU64_ADD (EXTEND16 (IMMEDIATE));
+ ALU64_END (GPR[RT]);
+ }
+ TRACE_ALU_RESULT (GPR[RT]);
}
+
+:function:::void:do_daddiu:int rs, int rt, unsigned16 immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
+ GPR[rt] = GPR[rs] + EXTEND16 (immediate);
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
011001,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDIU
"daddu r<RT>, r<RS>, <IMMEDIATE>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- GPR (RT) = GPR (RS) + EXTEND16 (immediate);
+ do_daddiu (SD_, RS, RT, IMMEDIATE);
}
+
+:function:::void:do_daddu:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = GPR[rs] + GPR[rt];
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,101101:SPECIAL:64::DADDU
"daddu r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- GPR (RD) = GPR (RS) + GPR (RT);
+ do_daddu (SD_, RS, RT, RD);
}
-000000,5.RS,5.RT,0000000000011110:SPECIAL:64::DDIV
-"ddiv r<RS>, r<RT>"
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+
+:function:::void:do_ddiv:int rs, int rt
{
- CHECKHILO ("Division");
+ check_div_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
{
- signed64 n = GPR (RS);
- signed64 d = GPR (RT);
+ signed64 n = GPR[rs];
+ signed64 d = GPR[rt];
+ signed64 hi;
+ signed64 lo;
if (d == 0)
{
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
+ lo = SIGNED64 (0x8000000000000000);
+ hi = 0;
}
else if (d == -1 && n == SIGNED64 (0x8000000000000000))
{
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
+ lo = SIGNED64 (0x8000000000000000);
+ hi = 0;
}
else
{
- LO = (n / d);
- HI = (n % d);
+ lo = (n / d);
+ hi = (n % d);
}
+ HI = hi;
+ LO = lo;
}
+ TRACE_ALU_RESULT2 (HI, LO);
}
-
-
-000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU
-"ddivu r<RS>, r<RT>"
+000000,5.RS,5.RT,0000000000011110:SPECIAL:64::DDIV
+"ddiv r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
+{
+ do_ddiv (SD_, RS, RT);
+}
+
+
+
+:function:::void:do_ddivu:int rs, int rt
{
- CHECKHILO ("Division");
+ check_div_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
{
- unsigned64 n = GPR (RS);
- unsigned64 d = GPR (RT);
+ unsigned64 n = GPR[rs];
+ unsigned64 d = GPR[rt];
+ unsigned64 hi;
+ unsigned64 lo;
if (d == 0)
{
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
+ lo = SIGNED64 (0x8000000000000000);
+ hi = 0;
}
else
{
- LO = (n / d);
- HI = (n % d);
+ lo = (n / d);
+ hi = (n % d);
}
+ HI = hi;
+ LO = lo;
}
+ TRACE_ALU_RESULT2 (HI, LO);
}
-
-000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV
-"div r<RS>, r<RT>"
-*mipsI:
-*mipsII:
+000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU
+"ddivu r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
+{
+ do_ddivu (SD_, RS, RT);
+}
+
+
+
+:function:::void:do_div:int rs, int rt
{
- CHECKHILO("Division");
+ check_div_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
{
- signed32 n = GPR (RS);
- signed32 d = GPR (RT);
+ signed32 n = GPR[rs];
+ signed32 d = GPR[rt];
if (d == 0)
{
LO = EXTEND32 (0x80000000);
HI = EXTEND32 (0);
}
- else if (d == -1 && q == 0x80000000)
+ else if (n == SIGNED32 (0x80000000) && d == -1)
{
LO = EXTEND32 (0x80000000);
HI = EXTEND32 (0);
HI = EXTEND32 (n % d);
}
}
+ TRACE_ALU_RESULT2 (HI, LO);
}
-
-000000,5.RS,5.RT,0000000000011011:SPECIAL:32::DIVU
-"divu r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV
+"div r<RS>, r<RT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- CHECKHILO ("Division");
+ do_div (SD_, RS, RT);
+}
+
+
+
+:function:::void:do_divu:int rs, int rt
+{
+ check_div_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
{
- unsigned32 n = GPR (RS);
- unsigned32 d = GPR (RT);
+ unsigned32 n = GPR[rs];
+ unsigned32 d = GPR[rt];
if (d == 0)
{
LO = EXTEND32 (0x80000000);
HI = EXTEND32 (n % d);
}
}
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+000000,5.RS,5.RT,0000000000011011:SPECIAL:32::DIVU
+"divu r<RS>, r<RT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ do_divu (SD_, RS, RT);
+}
+
+
+
+:function:::void:do_dmultx:int rs, int rt, int rd, int signed_p
+{
+ unsigned64 lo;
+ unsigned64 hi;
+ unsigned64 m00;
+ unsigned64 m01;
+ unsigned64 m10;
+ unsigned64 m11;
+ unsigned64 mid;
+ int sign;
+ unsigned64 op1 = GPR[rs];
+ unsigned64 op2 = GPR[rt];
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ /* make signed multiply unsigned */
+ sign = 0;
+ if (signed_p)
+ {
+ if (op1 < 0)
+ {
+ op1 = - op1;
+ ++sign;
+ }
+ if (op2 < 0)
+ {
+ op2 = - op2;
+ ++sign;
+ }
+ }
+ /* multuply out the 4 sub products */
+ m00 = ((unsigned64) VL4_8 (op1) * (unsigned64) VL4_8 (op2));
+ m10 = ((unsigned64) VH4_8 (op1) * (unsigned64) VL4_8 (op2));
+ m01 = ((unsigned64) VL4_8 (op1) * (unsigned64) VH4_8 (op2));
+ m11 = ((unsigned64) VH4_8 (op1) * (unsigned64) VH4_8 (op2));
+ /* add the products */
+ mid = ((unsigned64) VH4_8 (m00)
+ + (unsigned64) VL4_8 (m10)
+ + (unsigned64) VL4_8 (m01));
+ lo = U8_4 (mid, m00);
+ hi = (m11
+ + (unsigned64) VH4_8 (mid)
+ + (unsigned64) VH4_8 (m01)
+ + (unsigned64) VH4_8 (m10));
+ /* fix the sign */
+ if (sign & 1)
+ {
+ lo = -lo;
+ if (lo == 0)
+ hi = -hi;
+ else
+ hi = -hi - 1;
+ }
+ /* save the result HI/LO (and a gpr) */
+ LO = lo;
+ HI = hi;
+ if (rd != 0)
+ GPR[rd] = lo;
+ TRACE_ALU_RESULT2 (HI, LO);
}
+:function:::void:do_dmult:int rs, int rt, int rd
+{
+ do_dmultx (SD_, rs, rt, rd, 1);
+}
000000,5.RS,5.RT,0000000000011100:SPECIAL:64::DMULT
"dmult r<RS>, r<RT>"
-*mipsIII:
-*mipsIV:
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsIII,mipsIV:
+*vr4100:
{
- CHECKHILO ("Multiplication");
- {
- signed64 op1 = GPR (RS);
- signed64 op2 = GPR (RT);
- unsigned64 lo;
- unsigned64 hi;
- unsigned64 m00;
- unsigned64 m01;
- unsigned64 m10;
- unsigned64 m11;
- unsigned64 mid;
- unsigned64 temp;
- int sign = 0;
- /* make it unsigned */
- if (op1 < 0)
- {
- op1 = - op1;
- ++sign;
- }
- if (op2 < 0)
- {
- op2 = - op2;
- ++sign;
- }
- /* multuply out the 4 sub products */
- m00 = (VL4_8 (op1) * VL4_8 (op2));
- m10 = (VH4_8 (op1) * VL4_8 (op2));
- m01 = (VL4_8 (op1) * VH4_8 (op2));
- m11 = (VH4_8 (op1) * VH4_8 (op2));
- /* add the products */
- mid = VH4_8 (m00) + VL4_8 (m10) + VL4_8 (m01);
- lo = U8_4 (mid, m00);
- hi = m11 + VH4_8 (mid) + VH4_8 (m01) + VH4_8 (m10);
- /* save the result */
- if (sign & 1)
- {
- LO = -lo;
- if (lo == 0)
- HI = -hi;
- else
- HI = -hi - 1;
- }
- else
- {
- LO = lo;
- HI = hi;
- }
- }
+ do_dmult (SD_, RS, RT, 0);
+}
+
+000000,5.RS,5.RT,5.RD,00000011100:SPECIAL:64::DMULT
+"dmult r<RS>, r<RT>":RD == 0
+"dmult r<RD>, r<RS>, r<RT>"
+*vr5000:
+{
+ do_dmult (SD_, RS, RT, RD);
}
+
+:function:::void:do_dmultu:int rs, int rt, int rd
+{
+ do_dmultx (SD_, rs, rt, rd, 0);
+}
+
000000,5.RS,5.RT,0000000000011101:SPECIAL:64::DMULTU
"dmultu r<RS>, r<RT>"
-*mipsIII:
-*mipsIV:
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsIII,mipsIV:
+*vr4100:
{
- CHECKHILO ("Multiplication");
- {
- signed64 op1 = GPR (RS);
- signed64 op2 = GPR (RT);
- unsigned64 lo;
- unsigned64 hi;
- unsigned64 m00;
- unsigned64 m01;
- unsigned64 m10;
- unsigned64 m11;
- unsigned64 mid;
- unsigned64 temp;
- /* multuply out the 4 sub products */
- m00 = (VL4_8 (op1) * VL4_8 (op2));
- m10 = (VH4_8 (op1) * VL4_8 (op2));
- m01 = (VL4_8 (op1) * VH4_8 (op2));
- m11 = (VH4_8 (op1) * VH4_8 (op2));
- /* add the products */
- mid = VH4_8 (m00) + VL4_8 (m10) + VL4_8 (m01);
- lo = U8_4 (mid, m00);
- hi = m11 + VH4_8 (mid) + VH4_8 (m01) + VH4_8 (m10);
- /* save the result */
- LO = lo;
- HI = hi;
- }
+ do_dmultu (SD_, RS, RT, 0);
+}
+
+000000,5.RS,5.RT,5.RD,00000011101:SPECIAL:64::DMULTU
+"dmultu r<RD>, r<RS>, r<RT>":RD == 0
+"dmultu r<RS>, r<RT>"
+*vr5000:
+{
+ do_dmultu (SD_, RS, RT, RD);
+}
+
+:function:::void:do_dsll:int rt, int rd, int shift
+{
+ GPR[rd] = GPR[rt] << shift;
+}
+
+:function:::void:do_dsllv:int rs, int rt, int rd
+{
+ int s = MASKED64 (GPR[rs], 5, 0);
+ GPR[rd] = GPR[rt] << s;
}
-00000000000,5.RT,5.RD,5.SA,111000:SPECIAL:64::DSLL
-"dsll r<RD>, r<RT>, <SA>"
+00000000000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL
+"dsll r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- s = SA;
- GPR (RD) = GPR (RT) << s;
+ do_dsll (SD_, RT, RD, SHIFT);
}
-00000000000,5.RT,5.RD,5.SA,111100:SPECIAL:64::DSLL32
-"dsll32 r<RD>, r<RT>, <SA>"
+00000000000,5.RT,5.RD,5.SHIFT,111100:SPECIAL:64::DSLL32
+"dsll32 r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- s = 32 + SA;
- GPR (RD) = GPR (RT) << s;
+ int s = 32 + SHIFT;
+ GPR[RD] = GPR[RT] << s;
}
-
000000,5.RS,5.RT,5.RD,00000010100:SPECIAL:64::DSLLV
"dsllv r<RD>, r<RT>, r<RS>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- s = MASKED64 (GPR (RS), 5, 0);
- GPR (RD) = GPR (RT) << s;
+ do_dsllv (SD_, RS, RT, RD);
}
+:function:::void:do_dsra:int rt, int rd, int shift
+{
+ GPR[rd] = ((signed64) GPR[rt]) >> shift;
+}
-00000000000,5.RT,5.RD,5.SA,111011:SPECIAL:64::DSRA
-"dsra r<RD>, r<RT>, <SA>"
+
+00000000000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA
+"dsra r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- s = SA;
- GPR (RD) = ((signed64) GPR (RT)) >> s;
+ do_dsra (SD_, RT, RD, SHIFT);
}
-00000000000,5.RT,5.RD,5.SA,111111:SPECIAL:64::DSRA32
-"dsra32 r<RT>, r<RD>, <SA>"
+00000000000,5.RT,5.RD,5.SHIFT,111111:SPECIAL:64::DSRA32
+"dsra32 r<RT>, r<RD>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- s = 32 + SA;
- GPR (RD) = ((signed64) GPR (RT)) >> s;
+ int s = 32 + SHIFT;
+ GPR[RD] = ((signed64) GPR[RT]) >> s;
}
+:function:::void:do_dsrav:int rs, int rt, int rd
+{
+ int s = MASKED64 (GPR[rs], 5, 0);
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = ((signed64) GPR[rt]) >> s;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000010111:SPECIAL:64::DSRAV
"dsra32 r<RT>, r<RD>, r<RS>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
+{
+ do_dsrav (SD_, RS, RT, RD);
+}
+
+:function:::void:do_dsrl:int rt, int rd, int shift
{
- int s = MASKED64 (GPR (RS), 5, 0);
- GPR (RD) = ((signed64) GPR (RT)) >> s;
+ GPR[rd] = (unsigned64) GPR[rt] >> shift;
}
-00000000000,5.RT,5.RD,5.SA,111010:SPECIAL:64::DSRL
-"dsrav r<RD>, r<RT>, <SA>"
+00000000000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL
+"dsrl r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- int s = SA;
- GPR (RD) = (unsigned64) GPR (RT) >> s;
+ do_dsrl (SD_, RT, RD, SHIFT);
}
-00000000000,5.RT,5.RD,5.SA,111110:SPECIAL:64::DSRL32
-"dsrl32 r<RD>, r<RT>, <SA>"
+00000000000,5.RT,5.RD,5.SHIFT,111110:SPECIAL:64::DSRL32
+"dsrl32 r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
+{
+ int s = 32 + SHIFT;
+ GPR[RD] = (unsigned64) GPR[RT] >> s;
+}
+
+
+:function:::void:do_dsrlv:int rs, int rt, int rd
{
- int s = 32 + SA;
- GPR (RD) = (unsigned64) GPR (RT) >> s;
+ int s = MASKED64 (GPR[rs], 5, 0);
+ GPR[rd] = (unsigned64) GPR[rt] >> s;
}
+
000000,5.RS,5.RT,5.RD,00000010110:SPECIAL:64::DSRLV
"dsrl32 r<RD>, r<RT>, r<RS>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- int s = MASKED64 (GPR (RS), 5, 0);
- GPR (RD) = (unsigned64) GPR (RT) >> s;
+ do_dsrlv (SD_, RS, RT, RD);
}
"dsub r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- ALU64_BEGIN (GPR (RS));
- ALU64_SUB (GPR (RT));
- ALU64_END (GPR (RD));
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ {
+ ALU64_BEGIN (GPR[RS]);
+ ALU64_SUB (GPR[RT]);
+ ALU64_END (GPR[RD]);
+ }
+ TRACE_ALU_RESULT (GPR[RD]);
}
+:function:::void:do_dsubu:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = GPR[rs] - GPR[rt];
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000101111:SPECIAL:64::DSUBU
"dsubu r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- GPR (RD) = GPR (RS) - GPR (RT);
+ do_dsubu (SD_, RS, RT, RD);
}
000010,26.INSTR_INDEX:NORMAL:32::J
"j <INSTR_INDEX>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- /* NOTE: The region used is that of the delay slot and NOT the
+ /* NOTE: The region used is that of the delay slot NIA and NOT the
current instruction */
- address_word region = NIA & MASK (63, 28);
- DSPC = region | (INSTR_INDEX << 2);
- DELAYSLOT ();
- /* FIXME-WAS: ??? Gdb gets confused if the PC is sign-extended, so
- we just truncate it to 32 bits here. -- DSPC = VL4_8 (DSPC); */
+ address_word region = (NIA & MASK (63, 28));
+ DELAY_SLOT (region | (INSTR_INDEX << 2));
}
000011,26.INSTR_INDEX:NORMAL:32::JAL
"jal <INSTR_INDEX>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
/* NOTE: The region used is that of the delay slot and NOT the
current instruction */
- address_word region = NIA & MASK (63, 28);
- GPR (31) = CIA + 8;
- DSPC = region | (INSTR_INDEX << 2);
- DELAYSLOT ();
- /* FIXME-WAS: ??? Gdb gets confused if the PC is sign-extended, so
- we just truncate it to 32 bits here. -- DSPC = VL4_8 (DSPC); */
+ address_word region = (NIA & MASK (63, 28));
+ GPR[31] = CIA + 8;
+ DELAY_SLOT (region | (INSTR_INDEX << 2));
}
-
000000,5.RS,00000,5.RD,00000001001:SPECIAL:32::JALR
"jalr r<RS>":RD == 31
"jalr r<RD>, r<RS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- address_word temp = GPR (RS);
- GPR (RD) = CIA + 8;
- DSPC = temp;
- DELAYSLOT ();
- /* FIXME-WAS: ??? Gdb gets confused if the PC is sign-extended, so
- we just truncate it to 32 bits here. -- DSPC = VL4_8 (DSPC); */
+ address_word temp = GPR[RS];
+ GPR[RD] = CIA + 8;
+ DELAY_SLOT (temp);
}
000000,5.RS,000000000000000001000:SPECIAL:32::JR
"jr r<RS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- DSPC = GPR (RS);
- DELAYSLOT ();
- /* FIXME-WAS: ??? Gdb gets confused if the PC is sign-extended, so
- we just truncate it to 32 bits here. -- DSPC = VL4_8 (DSPC); */
+ DELAY_SLOT (GPR[RS]);
+}
+
+
+:function:::unsigned_word:do_load:unsigned access, address_word base, address_word offset
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0);
+ address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0);
+ unsigned int byte;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+
+ vaddr = base + offset;
+ if ((vaddr & access) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map, access+1, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
+ AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL);
+ paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
+ LoadMemory (&memval, NULL, uncached, access, paddr, vaddr, isDATA, isREAL);
+ byte = ((vaddr & mask) ^ bigendiancpu);
+ return (memval >> (8 * byte));
}
100000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LB
"lb r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- uword64 vaddr = ((uword64)op1 + offset);
- uword64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- uword64 memval = 0;
- uword64 memval1 = 0;
- uword64 mask = 0x7;
- unsigned int shift = 0;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x000000FF),8));
- }
- }
- }
+ GPR[RT] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET)));
}
100100,5.BASE,5.RT,16.OFFSET:NORMAL:32::LBU
"lbu r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 0;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (((memval >> (8 * byte)) & 0x000000FF));
- }
- }
- }
+ GPR[RT] = do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET));
}
"ld r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 4;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = memval;
- }
- }
- }
+ GPR[RT] = EXTEND64 (do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 4;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- COP_LD(((instruction >> 26) & 0x3),destreg,memval);;
- }
- }
- }
+ COP_LD (ZZ, RT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
}
+
+
011010,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDL
"ldl r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 7;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!!ByteSwapMem)
- paddr &= ~mask;
- LoadMemory(&memval,&memval1,uncached,byte,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = ((memval << ((7 - byte) * 8)) | (GPR[destreg] & (((unsigned64)1 << ((7 - byte) * 8)) - 1)));
- }
- }
- }
+ GPR[RT] = do_load_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
"ldr r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 7;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!ByteSwapMem)
- paddr &= ~mask;
- LoadMemory(&memval,&memval1,uncached,(7 - byte),paddr,vaddr,isDATA,isREAL);
- {
- unsigned64 srcmask;
- if (byte == 0)
- srcmask = 0;
- else
- srcmask = ((unsigned64)-1 << (8 * (8 - byte)));
- GPR[destreg] = ((GPR[destreg] & srcmask) | (memval >> (8 * byte)));
- }
- }
- }
- }
+ GPR[RT] = do_load_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
100001,5.BASE,5.RT,16.OFFSET:NORMAL:32::LH
"lh r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ GPR[RT] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET)));
+}
+
+
+100101,5.BASE,5.RT,16.OFFSET:NORMAL:32::LHU
+"lhu r<RT>, <OFFSET>(r<BASE>)"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ GPR[RT] = do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET));
+}
+
+
+110000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LL
+"ll r<RT>, <OFFSET>(r<BASE>)"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
+ signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
+ int destreg = ((instruction >> 16) & 0x0000001F);
+ signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
{
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
+ address_word vaddr = ((unsigned64)op1 + offset);
+ address_word paddr;
int uncached;
- if ((vaddr & 1) != 0)
- SignalException(AddressLoad);
+ if ((vaddr & 3) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
unsigned64 memval = 0;
unsigned64 memval1 = 0;
unsigned64 mask = 0x7;
- unsigned int shift = 1;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
+ unsigned int shift = 2;
+ unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
+ unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
+ unsigned int byte;
paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
+ LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x0000FFFF),16));
+ GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
+ LLBIT = 1;
}
}
}
}
-100101,5.BASE,5.RT,16.OFFSET:NORMAL:32::LHU
-"lhu r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
+110100,5.BASE,5.RT,16.OFFSET:NORMAL:64::LLD
+"lld r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
+ signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
+ int destreg = ((instruction >> 16) & 0x0000001F);
+ signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
{
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
+ address_word vaddr = ((unsigned64)op1 + offset);
+ address_word paddr;
int uncached;
- if ((vaddr & 1) != 0)
- SignalException(AddressLoad);
+ if ((vaddr & 7) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
{
unsigned64 memval = 0;
unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 1;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (((memval >> (8 * byte)) & 0x0000FFFF));
- }
- }
- }
-}
-
-
-110000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LL
-"ll r<RT>, <OFFSET>(r<BASE>)"
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
- LLBIT = 1;
- }
- }
- }
-}
-
-
-110100,5.BASE,5.RT,16.OFFSET:NORMAL:64::LLD
-"lld r<RT>, <OFFSET>(r<BASE>)"
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 4;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = memval;
- LLBIT = 1;
+ LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
+ GPR[destreg] = memval;
+ LLBIT = 1;
}
}
}
001111,00000,5.RT,16.IMMEDIATE:NORMAL:32::LUI
"lui r<RT>, <IMMEDIATE>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg op2 UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- {
- GPR[destreg] = (op2 << 16);
- }
+ TRACE_ALU_INPUT1 (IMMEDIATE);
+ GPR[RT] = EXTEND32 (IMMEDIATE << 16);
+ TRACE_ALU_RESULT (GPR[RT]);
}
100011,5.BASE,5.RT,16.OFFSET:NORMAL:32::LW
"lw r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
- }
- }
- }
+ GPR[RT] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
}
1100,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWCz
"lwc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- COP_LW(((instruction >> 26) & 0x3),destreg,(unsigned int)((memval >> (8 * byte)) & 0xFFFFFFFF));
- }
- }
- }
+ COP_LW (ZZ, RT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
+}
+
+
+:function:::unsigned_word:do_load_left:unsigned access, address_word base, address_word offset, unsigned_word rt
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? -1 : 0);
+ address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
+ unsigned int byte;
+ unsigned int word;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+ int nr_lhs_bits;
+ int nr_rhs_bits;
+ unsigned_word lhs_mask;
+ unsigned_word temp;
+
+ vaddr = base + offset;
+ AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL);
+ paddr = (paddr ^ (reverseendian & mask));
+ if (BigEndianMem == 0)
+ paddr = paddr & ~access;
+
+ /* compute where within the word/mem we are */
+ byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */
+ word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */
+ nr_lhs_bits = 8 * byte + 8;
+ nr_rhs_bits = 8 * access - 8 * byte;
+ /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */
+
+ /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n",
+ (long) ((unsigned64) vaddr >> 32), (long) vaddr,
+ (long) ((unsigned64) paddr >> 32), (long) paddr,
+ word, byte, nr_lhs_bits, nr_rhs_bits); */
+
+ LoadMemory (&memval, NULL, uncached, byte, paddr, vaddr, isDATA, isREAL);
+ if (word == 0)
+ {
+ /* GPR{31..32-NR_LHS_BITS} = memval{NR_LHS_BITS-1..0} */
+ temp = (memval << nr_rhs_bits);
+ }
+ else
+ {
+ /* GPR{31..32-NR_LHS_BITS = memval{32+NR_LHS_BITS..32} */
+ temp = (memval >> nr_lhs_bits);
+ }
+ lhs_mask = LSMASK (nr_lhs_bits + nr_rhs_bits - 1, nr_rhs_bits);
+ rt = (rt & ~lhs_mask) | (temp & lhs_mask);
+
+ /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx & 0x%08lx%08lx -> 0x%08lx%08lx\n",
+ (long) ((unsigned64) memval >> 32), (long) memval,
+ (long) ((unsigned64) temp >> 32), (long) temp,
+ (long) ((unsigned64) lhs_mask >> 32), (long) lhs_mask,
+ (long) (rt >> 32), (long) rt); */
+ return rt;
}
100010,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWL
"lwl r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
+ GPR[RT] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]));
+}
+
+
+:function:::unsigned_word:do_load_right:unsigned access, address_word base, address_word offset, unsigned_word rt
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? -1 : 0);
+ address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
+ unsigned int byte;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+
+ vaddr = base + offset;
+ AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL);
+ /* NOTE: SPEC is wrong, has `BigEndianMem == 0' not `BigEndianMem != 0' */
+ paddr = (paddr ^ (reverseendian & mask));
+ if (BigEndianMem != 0)
+ paddr = paddr & ~access;
+ byte = ((vaddr & mask) ^ (bigendiancpu & mask));
+ /* NOTE: SPEC is wrong, had `byte' not `access - byte'. See SW. */
+ LoadMemory (&memval, NULL, uncached, access - (access & byte), paddr, vaddr, isDATA, isREAL);
+ /* printf ("lr: 0x%08lx %d@0x%08lx 0x%08lx\n",
+ (long) paddr, byte, (long) paddr, (long) memval); */
{
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 3;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!!ByteSwapMem)
- paddr &= ~mask;
- LoadMemory(&memval,&memval1,uncached,byte,paddr,vaddr,isDATA,isREAL);
- if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
- memval >>= 32;
- }
- GPR[destreg] = ((memval << ((3 - byte) * 8)) | (GPR[destreg] & (((unsigned64)1 << ((3 - byte) * 8)) - 1)));
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
- }
+ unsigned_word screen = LSMASK (8 * (access - (byte & access) + 1) - 1, 0);
+ rt &= ~screen;
+ rt |= (memval >> (8 * byte)) & screen;
}
+ return rt;
}
100110,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWR
"lwr r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 3;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!ByteSwapMem)
- paddr &= ~mask;
- LoadMemory(&memval,&memval1,uncached,(3 - byte),paddr,vaddr,isDATA,isREAL);
- if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
- memval >>= 32;
- }
- {
- unsigned64 srcmask;
- if (byte == 0)
- srcmask = 0;
- else
- srcmask = ((unsigned64)-1 << (8 * (4 - byte)));
- GPR[destreg] = ((GPR[destreg] & srcmask) | (memval >> (8 * byte)));
- }
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
- }
- }
+ GPR[RT] = EXTEND32 (do_load_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]));
}
"lwu r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (((memval >> (8 * byte)) & 0xFFFFFFFF));
- }
- }
- }
+ GPR[RT] = do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET));
}
+:function:::void:do_mfhi:int rd
+{
+ check_mf_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT1 (HI);
+ GPR[rd] = HI;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI
"mfhi r<RD>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RD) = HI;
- HIACCESS = 3;
+ do_mfhi (SD_, RD);
}
+
+:function:::void:do_mflo:int rd
+{
+ check_mf_hilo (SD_, LOHISTORY, HIHISTORY);
+ TRACE_ALU_INPUT1 (LO);
+ GPR[rd] = LO;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO
"mflo r<RD>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RD) = LO;
- LOACCESS = 3; /* 3rd instruction will be safe */
+ do_mflo (SD_, RD);
}
+
000000,5.RS,5.RT,5.RD,00000001011:SPECIAL:32::MOVN
"movn r<RD>, r<RS>, r<RT>"
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr5000:
{
- if (GPR (RT) != 0)
- GPR (RD) = GPR (RS);
+ if (GPR[RT] != 0)
+ GPR[RD] = GPR[RS];
}
+
000000,5.RS,5.RT,5.RD,00000001010:SPECIAL:32::MOVZ
"movz r<RD>, r<RS>, r<RT>"
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr5000:
{
- if (GPR (RT) == 0)
- GPR (RD) = GPR (RS);
+ if (GPR[RT] == 0)
+ GPR[RD] = GPR[RS];
}
+
000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI
"mthi r<RS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- if (HIACCESS != 0)
- sim_warning ("MT (move-to) over-writing HI register value");
- HI = GPR (RS);
- HIACCESS = 3; /* 3rd instruction will be safe */
+ check_mt_hilo (SD_, HIHISTORY);
+ HI = GPR[RS];
}
+
000000,5.RS,000000000000000010011:SPECIAL:32::MTLO
"mtlo r<RS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- if (LOACCESS != 0)
- sim_warning ("MT (move-to) over-writing LO register value");
- LO = GPR (RS);
- LOACCESS = 3; /* 3rd instruction will be safe */
+ check_mt_hilo (SD_, LOHISTORY);
+ LO = GPR[RS];
}
-000000,5.RS,5.RT,5.RD,00000011000:SPECIAL:32::MULT
-"mult r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+
+:function:::void:do_mult:int rs, int rt, int rd
{
signed64 prod;
- CHECKHILO ("Multiplication");
- prod = (((signed64)(signed32) GPR (RS))
- * ((signed64)(signed32) GPR (RT)));
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ prod = (((signed64)(signed32) GPR[rs])
+ * ((signed64)(signed32) GPR[rt]));
LO = EXTEND32 (VL4_8 (prod));
HI = EXTEND32 (VH4_8 (prod));
+ if (rd != 0)
+ GPR[rd] = LO;
+ TRACE_ALU_RESULT2 (HI, LO);
}
+000000,5.RS,5.RT,00000,00000011000:SPECIAL:32::MULT
+"mult r<RS>, r<RT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+{
+ do_mult (SD_, RS, RT, 0);
+}
-000000,5.RS,5.RT,5.RD,00000011001:SPECIAL:32::MULTU
-"multu r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+
+000000,5.RS,5.RT,5.RD,00000011000:SPECIAL:32::MULT
+"mult r<RS>, r<RT>":RD == 0
+"mult r<RD>, r<RS>, r<RT>"
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+{
+ do_mult (SD_, RS, RT, RD);
+}
+
+
+:function:::void:do_multu:int rs, int rt, int rd
{
unsigned64 prod;
- CHECKHILO ("Multiplication");
- prod = (((unsigned64)(unsigned32) GPR (RS))
- * ((unsigned64)(unsigned32) GPR (RT)));
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ prod = (((unsigned64)(unsigned32) GPR[rs])
+ * ((unsigned64)(unsigned32) GPR[rt]));
LO = EXTEND32 (VL4_8 (prod));
HI = EXTEND32 (VH4_8 (prod));
+ if (rd != 0)
+ GPR[rd] = LO;
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+000000,5.RS,5.RT,00000,00000011001:SPECIAL:32::MULTU
+"multu r<RS>, r<RT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+{
+ do_multu (SD_, RS, RT, RD);
+}
+
+000000,5.RS,5.RT,5.RD,00000011001:SPECIAL:32::MULTU
+"multu r<RS>, r<RT>":RD == 0
+"multu r<RD>, r<RS>, r<RT>"
+*vr5000:
+*r3900:
+{
+ do_multu (SD_, RS, RT, 0);
}
+:function:::void:do_nor:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = ~ (GPR[rs] | GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR
"nor r<RD>, r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RD) = ~ (GPR (RS) | GPR (RT));
+ do_nor (SD_, RS, RT, RD);
}
+:function:::void:do_or:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = (GPR[rs] | GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,100101:SPECIAL:32::OR
"or r<RD>, r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RD) = (GPR (RS) | GPR (RT));
+ do_or (SD_, RS, RT, RD);
}
-001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI
-"ori r<RD>, r<RS>, <IMMEDIATE>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+
+:function:::void:do_ori:int rs, int rt, unsigned immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], immediate);
+ GPR[rt] = (GPR[rs] | immediate);
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
+001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI
+"ori r<RT>, r<RS>, <IMMEDIATE>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RD) = (GPR (RS) | IMMEDIATE);
+ do_ori (SD_, RS, RT, IMMEDIATE);
}
110011,5.RS,nnnnn,16.OFFSET:NORMAL:32::PREF
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr5000:
{
unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int hint UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
+ signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
+ int hint = ((instruction >> 16) & 0x0000001F);
+ signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
{
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
+ address_word vaddr = ((unsigned64)op1 + offset);
+ address_word paddr;
int uncached;
{
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
}
}
+:function:::void:do_store:unsigned access, address_word base, address_word offset, unsigned_word word
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0);
+ address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0);
+ unsigned int byte;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+
+ vaddr = base + offset;
+ if ((vaddr & access) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map, access+1, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
+ AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL);
+ paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
+ byte = ((vaddr & mask) ^ bigendiancpu);
+ memval = (word << (8 * byte));
+ StoreMemory (uncached, access, memval, 0, paddr, vaddr, isREAL);
+}
+
+
101000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SB
"sb r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 0;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- byte = ((vaddr & mask) ^ (bigend << shift));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_BYTE,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
+ signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
+ signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
+ signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
{
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
+ address_word vaddr = ((unsigned64)op1 + offset);
+ address_word paddr;
int uncached;
if ((vaddr & 3) != 0)
- SignalException(AddressStore);
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
"scd r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
+ signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
+ signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
+ signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
{
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
+ address_word vaddr = ((unsigned64)op1 + offset);
+ address_word paddr;
int uncached;
if ((vaddr & 7) != 0)
- SignalException(AddressStore);
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
"sd r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = op2;
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = (unsigned64)COP_SD(((instruction >> 26) & 0x3),destreg);
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (ZZ, RT));
}
"sdl r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 7;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!!ByteSwapMem)
- paddr &= ~mask;
- memval = (op2 >> (8 * (7 - byte)));
- StoreMemory(uncached,byte,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
+ do_store_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
"sdr r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 7;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!ByteSwapMem)
- paddr &= ~mask;
- memval = ((unsigned64) op2 << (byte * 8));
- StoreMemory(uncached,(AccessLength_DOUBLEWORD - byte),memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
+ do_store_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
101001,5.BASE,5.RT,16.OFFSET:NORMAL:32::SH
"sh r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 1) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 1;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- byte = ((vaddr & mask) ^ (bigend << shift));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_HALFWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
-00000000000,5.RT,5.RD,5.SA,000000:SPECIAL:32::SLL
-"sll r<RD>, r<RT>, <SA>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+:function:::void:do_sll:int rt, int rd, int shift
+{
+ unsigned32 temp = (GPR[rt] << shift);
+ TRACE_ALU_INPUT2 (GPR[rt], shift);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+00000000000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLL
+"sll r<RD>, r<RT>, <SHIFT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = SA;
- unsigned32 temp = (GPR (RT) << s);
- GPR (RD) = EXTEND32 (temp);
+ do_sll (SD_, RT, RD, SHIFT);
}
-000000,ooooo,5.RT,5.RD,00000000100:SPECIAL:32::SLLV
+:function:::void:do_sllv:int rs, int rt, int rd
+{
+ int s = MASKED (GPR[rs], 4, 0);
+ unsigned32 temp = (GPR[rt] << s);
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,5.RS,5.RT,5.RD,00000000100:SPECIAL:32::SLLV
"sllv r<RD>, r<RT>, r<RS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = MASKED (GPR (RS), 4, 0);
- unsigned32 temp = (GPR (RT) << s);
- GPR (RD) = EXTEND32 (temp);
+ do_sllv (SD_, RS, RT, RD);
}
+:function:::void:do_slt:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = ((signed_word) GPR[rs] < (signed_word) GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000101010:SPECIAL:32::SLT
"slt r<RD>, r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- if (GPR (RS) < GPR (RT))
- GPR (RD) = 1;
- else
- GPR (RD) = 0;
+ do_slt (SD_, RS, RT, RD);
}
+:function:::void:do_slti:int rs, int rt, unsigned16 immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
+ GPR[rt] = ((signed_word) GPR[rs] < (signed_word) EXTEND16 (immediate));
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI
-"slti r<RD>, r<RS>, <IMMEDIATE>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+"slti r<RT>, r<RS>, <IMMEDIATE>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- if (GPR (RS) < EXTEND16 (IMMEDIATE))
- GPR (RD) = 1;
- else
- GPR (RD) = 0;
+ do_slti (SD_, RS, RT, IMMEDIATE);
}
+:function:::void:do_sltiu:int rs, int rt, unsigned16 immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
+ GPR[rt] = ((unsigned_word) GPR[rs] < (unsigned_word) EXTEND16 (immediate));
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU
-"sltiu r<RD>, r<RS>, <IMMEDIATE>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+"sltiu r<RT>, r<RS>, <IMMEDIATE>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- if ((unsigned_word) GPR (RS) < (unsigned_word) EXTEND16 (IMMEDIATE))
- GPR (RD) = 1;
- else
- GPR (RD) = 0;
+ do_sltiu (SD_, RS, RT, IMMEDIATE);
+}
+
+
+
+:function:::void:do_sltu:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = ((unsigned_word) GPR[rs] < (unsigned_word) GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
}
000000,5.RS,5.RT,5.RD,00000101011:SPECIAL:32::SLTU
"sltu r<RD>, r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- if ((unsigned_word) GPR (RS) < (unsigned_word) GPR (RT))
- GPR (RD) = 1;
- else
- GPR (RD) = 0;
+ do_sltu (SD_, RS, RT, RD);
}
-000000,00000,5.RT,5.RD,5.SA,000011:SPECIAL:32::SRA
-"sra r<RD>, r<RT>, <SA>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+:function:::void:do_sra:int rt, int rd, int shift
+{
+ signed32 temp = (signed32) GPR[rt] >> shift;
+ TRACE_ALU_INPUT2 (GPR[rt], shift);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,00000,5.RT,5.RD,5.SHIFT,000011:SPECIAL:32::SRA
+"sra r<RD>, r<RT>, <SHIFT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = SA;
- signed32 temp = (signed32) GPR (RT) >> s;
- GPR (RD) = EXTEND32 (temp);
+ do_sra (SD_, RT, RD, SHIFT);
}
+
+:function:::void:do_srav:int rs, int rt, int rd
+{
+ int s = MASKED (GPR[rs], 4, 0);
+ signed32 temp = (signed32) GPR[rt] >> s;
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000000111:SPECIAL:32::SRAV
"srav r<RD>, r<RT>, r<RS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = MASKED (GPR (RS), 4, 0);
- signed32 temp = (signed32) GPR (RT) >> s;
- GPR (RD) = EXTEND32 (temp);
+ do_srav (SD_, RS, RT, RD);
}
-000000,00000,5.RT,5.RD,5.SA,000010:SPECIAL:32::SRL
-"srl r<RD>, r<RT>, <SA>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+
+:function:::void:do_srl:int rt, int rd, int shift
+{
+ unsigned32 temp = (unsigned32) GPR[rt] >> shift;
+ TRACE_ALU_INPUT2 (GPR[rt], shift);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,00000,5.RT,5.RD,5.SHIFT,000010:SPECIAL:32::SRL
+"srl r<RD>, r<RT>, <SHIFT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = SA;
- unsigned32 temp = (unsigned32) GPR (RT) >> s;
- GPR (RD) = EXTEND32 (temp);
+ do_srl (SD_, RT, RD, SHIFT);
}
+:function:::void:do_srlv:int rs, int rt, int rd
+{
+ int s = MASKED (GPR[rs], 4, 0);
+ unsigned32 temp = (unsigned32) GPR[rt] >> s;
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000000110:SPECIAL:32::SRLV
"srlv r<RD>, r<RT>, r<RS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = MASKED (GPR (RS), 4, 0);
- unsigned32 temp = (unsigned32) GPR (RT) >> s;
- GPR (RD) = EXTEND32 (temp);
+ do_srlv (SD_, RS, RT, RD);
}
000000,5.RS,5.RT,5.RD,00000100010:SPECIAL:32::SUB
"sub r<RD>, r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- ALU32_BEGIN (GPR (RS));
- ALU32_SUB (GPR (RT));
- ALU32_END (GPR (RD));
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ {
+ ALU32_BEGIN (GPR[RS]);
+ ALU32_SUB (GPR[RT]);
+ ALU32_END (GPR[RD]);
+ }
+ TRACE_ALU_RESULT (GPR[RD]);
}
+:function:::void:do_subu:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = EXTEND32 (GPR[rs] - GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000100011:SPECIAL:32::SUBU
"subu r<RD>, r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RD) = EXTEND32 (GPR (RS) - GPR (RT));
+ do_subu (SD_, RS, RT, RD);
}
101011,5.BASE,5.RT,16.OFFSET:NORMAL:32::SW
"sw r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
- byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
-1110,ZZ!0!1!3,5.RS,5.RT,16.OFFSET:NORMAL:32::SWCz
+1110,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWCz
"swc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
- byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = (((unsigned64)COP_SW(((instruction >> 26) & 0x3),destreg)) << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), COP_SW (ZZ, RT));
}
-101010,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWL
-"swl r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+
+:function:::void:do_store_left:unsigned access, address_word base, address_word offset, unsigned_word rt
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? -1 : 0);
+ address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
+ unsigned int byte;
+ unsigned int word;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+ int nr_lhs_bits;
+ int nr_rhs_bits;
+
+ vaddr = base + offset;
+ AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL);
+ paddr = (paddr ^ (reverseendian & mask));
+ if (BigEndianMem == 0)
+ paddr = paddr & ~access;
+
+ /* compute where within the word/mem we are */
+ byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */
+ word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */
+ nr_lhs_bits = 8 * byte + 8;
+ nr_rhs_bits = 8 * access - 8 * byte;
+ /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */
+ /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n",
+ (long) ((unsigned64) vaddr >> 32), (long) vaddr,
+ (long) ((unsigned64) paddr >> 32), (long) paddr,
+ word, byte, nr_lhs_bits, nr_rhs_bits); */
+
+ if (word == 0)
{
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 3;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!!ByteSwapMem)
- paddr &= ~mask;
- memval = (op2 >> (8 * (3 - byte)));
- if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
- memval <<= 32;
- }
- StoreMemory(uncached,byte,memval,memval1,paddr,vaddr,isREAL);
- }
+ memval = (rt >> nr_rhs_bits);
}
- }
+ else
+ {
+ memval = (rt << nr_lhs_bits);
+ }
+ /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx\n",
+ (long) ((unsigned64) rt >> 32), (long) rt,
+ (long) ((unsigned64) memval >> 32), (long) memval); */
+ StoreMemory (uncached, byte, memval, 0, paddr, vaddr, isREAL);
+}
+
+
+101010,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWL
+"swl r<RT>, <OFFSET>(r<BASE>)"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ do_store_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
+:function:::void:do_store_right:unsigned access, address_word base, address_word offset, unsigned_word rt
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? -1 : 0);
+ address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
+ unsigned int byte;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+
+ vaddr = base + offset;
+ AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL);
+ paddr = (paddr ^ (reverseendian & mask));
+ if (BigEndianMem != 0)
+ paddr &= ~access;
+ byte = ((vaddr & mask) ^ (bigendiancpu & mask));
+ memval = (rt << (byte * 8));
+ StoreMemory (uncached, access - (access & byte), memval, 0, paddr, vaddr, isREAL);
+}
+
101110,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWR
"swr r<RT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 3;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!ByteSwapMem)
- paddr &= ~mask;
- memval = ((unsigned64) op2 << (byte * 8));
- if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
- memval <<= 32;
- }
- StoreMemory(uncached,(AccessLength_WORD - byte),memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
+ do_store_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
SyncOperation (STYPE);
}
000000,20.CODE,001100:SPECIAL:32::SYSCALL
"syscall <CODE>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- SignalException (SystemCall, instruction_0);
+ SignalException(SystemCall, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if (GPR (RS) == GPR (RT))
- SignalException (Trap, instruction_0);
+ if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if (GPR (RS) == EXTEND16 (IMMEDIATE))
- SignalException (Trap, instruction_0);
+ if ((signed_word) GPR[RS] == (signed_word) EXTEND16 (IMMEDIATE))
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if (GPR (RS) >= GPR (RT))
- SignalException (Trap, instruction_0);
+ if ((signed_word) GPR[RS] >= (signed_word) GPR[RT])
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if (GPR (RS) >= EXTEND16 (IMMEDIATE))
- SignalException (Trap, instruction_0);
+ if ((signed_word) GPR[RS] >= (signed_word) EXTEND16 (IMMEDIATE))
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if ((unsigned_word) GPR (RS) >= (unsigned_word) EXTEND16 (IMMEDIATE))
- SignalException (Trap, instruction_0);
+ if ((unsigned_word) GPR[RS] >= (unsigned_word) EXTEND16 (IMMEDIATE))
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if ((unsigned_word) GPR (RS) >= (unsigned_word) GPR (RT))
- SignalException (Trap, instruction_0);
+ if ((unsigned_word) GPR[RS] >= (unsigned_word) GPR[RT])
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if (GPR (RS) < GPR (RT))
- SignalException (Trap, instruction_0);
+ if ((signed_word) GPR[RS] < (signed_word) GPR[RT])
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if (GPR (RS) < EXTEND16 (IMMEDIATE))
- SignalException (Trap, instruction_0);
+ if ((signed_word) GPR[RS] < (signed_word) EXTEND16 (IMMEDIATE))
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if ((unsigned_word) GPR (RS) < (unsigned_word) EXTEND16 (IMMEDIATE))
- SignalException (Trap, instruction_0);
+ if ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE))
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if ((unsigned_word) GPR (RS) < (unsigned_word) GPR (RT))
- SignalException (Trap, instruction_0);
+ if ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT])
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if (GPR (RS) != GPR (RT))
- SignalException (Trap, instruction_0);
+ if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
+ SignalException(Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr4100:
+*vr5000:
{
- if (GPR (RS) != EXTEND16 (IMMEDIATE))
- SignalException (Trap, instruction_0);
+ if ((signed_word) GPR[RS] != (signed_word) EXTEND16 (IMMEDIATE))
+ SignalException(Trap, instruction_0);
}
+:function:::void:do_xor:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = GPR[rs] ^ GPR[rt];
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000100110:SPECIAL:32::XOR
"xor r<RD>, r<RS>, r<RT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RD) = GPR (RS) ^ GPR (RT);
+ do_xor (SD_, RS, RT, RD);
}
+:function:::void:do_xori:int rs, int rt, unsigned16 immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], immediate);
+ GPR[rt] = GPR[rs] ^ immediate;
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI
-"xori r<RD>, r<RS>, <IMMEDIATE>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+"xori r<RT>, r<RS>, <IMMEDIATE>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR (RD) = GPR (RS) ^ IMMEDIATE;
+ do_xori (SD_, RS, RT, IMMEDIATE);
}
\f
//
+:%s::::FMT:int fmt
+{
+ switch (fmt)
+ {
+ case fmt_single: return "s";
+ case fmt_double: return "d";
+ case fmt_word: return "w";
+ case fmt_long: return "l";
+ default: return "?";
+ }
+}
+
+:%s::::X:int x
+{
+ switch (x)
+ {
+ case 0: return "f";
+ case 1: return "t";
+ default: return "?";
+ }
+}
+
+:%s::::TF:int tf
+{
+ if (tf)
+ return "t";
+ else
+ return "f";
+}
+
+:%s::::ND:int nd
+{
+ if (nd)
+ return "l";
+ else
+ return "";
+}
+
+:%s::::COND:int cond
+{
+ switch (cond)
+ {
+ case 00: return "f";
+ case 01: return "un";
+ case 02: return "eq";
+ case 03: return "ueq";
+ case 04: return "olt";
+ case 05: return "ult";
+ case 06: return "ole";
+ case 07: return "ule";
+ case 010: return "sf";
+ case 011: return "ngle";
+ case 012: return "seq";
+ case 013: return "ngl";
+ case 014: return "lt";
+ case 015: return "nge";
+ case 016: return "le";
+ case 017: return "ngt";
+ default: return "?";
+ }
+}
+
+
010001,10,3.FMT,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt
"abs.%s<FMT> f<FD>, f<FS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
if ((format != fmt_single) && (format != fmt_double))
SignalException(ReservedInstruction,instruction);
}
-010001,10,3.FMT,kkkkk,5.FS,5.FD,000000:COP1:32,f::ADD
+
+010001,10,3.FMT,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD.fmt
"add.%s<FMT> f<FD>, f<FS>, f<FT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
+ SignalException(ReservedInstruction, instruction);
else
StoreFPR(destreg,format,Add(ValueFPR(fs,format),ValueFPR(ft,format),format));
}
}
-//
-// FIXME: This does not correctly resolve mipsI-mipsIV differences.
-//
+
// BC1F
// BC1FL
// BC1T
// BC1TL
-010001,01000,3.CC,1.N,1.DTF,16.OFFSET:COP1S:32,f::BC1
-"bc1%s<ND,TF> <OFFSET>":CC == 0
-"bc1%s<ND,TF> <CC>, <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+
+010001,01000,3.0,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1a
+"bc1%s<TF>%s<ND> <OFFSET>"
+*mipsI,mipsII,mipsIII:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)(((instruction >> 0) & 0x0000FFFF) << 2),18);
- int boolean UNUSED = ((instruction >> 16) & 0x00000001);
- int likely UNUSED = ((instruction >> 17) & 0x00000001);
- int condition_code UNUSED = ((instruction >> 18) & 0x00000007);
- {
- if (condition_code != 0)
- SignalException(ReservedInstruction,instruction);
- else {
- int condition = (PREVCOC1() == boolean);
- /* NOTE: The branch occurs AFTER the next instruction has been executed */
- if (condition) {
- DSPC = (PC + offset);
- DELAYSLOT();
- }
- else if (likely) {
- NULLIFY();
- }
+ check_branch_bug ();
+ TRACE_BRANCH_INPUT (PREVCOC1());
+ if (PREVCOC1() == TF)
+ {
+ address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
+ TRACE_BRANCH_RESULT (dest);
+ mark_branch_bug (dest);
+ DELAY_SLOT (dest);
+ }
+ else if (ND)
+ {
+ TRACE_BRANCH_RESULT (0);
+ NULLIFY_NEXT_INSTRUCTION ();
+ }
+ else
+ {
+ TRACE_BRANCH_RESULT (NIA);
}
- }
}
-
-//
-// FIXME: This does not correctly differentiate between mips*
-//
-010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32::C.cond.fmt
-"c.%s<COND>.%s<FMT> f<FS>, f<FT>":CC == 0
-"c.%s<COND>.%s<FMT> <CC>, f<FS>, f<FT>"
-*mipsI:
-*mipsII:
-*mipsIII:
+010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1b
+"bc1%s<TF>%s<ND> <OFFSET>":CC == 0
+"bc1%s<TF>%s<ND> <CC>, <OFFSET>"
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr5000:
+#*vr4100:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int cmpflags UNUSED = ((instruction >> 0) & 0x0000000F);
- int condition_code UNUSED = ((instruction >> 8) & 0x00000007);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- if (condition_code != 0)
+ check_branch_bug ();
+ if (GETFCC(CC) == TF)
{
- SignalException(ReservedInstruction,instruction);
+ address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
+ mark_branch_bug (dest);
+ DELAY_SLOT (dest);
}
- else
+ else if (ND)
{
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else {
- if (condition_code != 0)
- SignalException(ReservedInstruction,instruction);
- else
- {
- int ignore = 0;
- int less = 0;
- int equal = 0;
- int unordered = 1;
- unsigned64 ofs = ValueFPR(fs,format);
- unsigned64 oft = ValueFPR(ft,format);
- if (NaN(ofs,format) || NaN(oft,format)) {
- if (FCSR & FP_ENABLE(IO)) {
- FCSR |= FP_CAUSE(IO);
- SignalException(FPE);
- ignore = 1;
- }
- } else {
- less = Less(ofs,oft,format);
- equal = Equal(ofs,oft,format);
- unordered = 0;
- }
- if (!ignore) {
- int condition = (((cmpflags & (1 << 2)) && less) || ((cmpflags & (1 << 1)) && equal) || ((cmpflags & (1 << 0)) && unordered));
- SETFCC(condition_code,condition);
- }
- }
- }
+ NULLIFY_NEXT_INSTRUCTION ();
}
}
-010001,10,3.FMT,00000,5.FS,5.FD,001010:COP1:64::CEIL.L.fmt
-"ceil.l.%s<FMT> f<FD>, f<FS>"
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_long));
- }
-}
-010001,10,3.FMT,00000,5.FS,5.FD,001110:COP1:32::CEIL.W
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_word,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_word));
- }
-}
-// CFC1
-// CTC1
-01000100,x,10,kkkkk,vvvvv,00000000000:COP1S:32::CxC1
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+// C.EQ.S
+// C.EQ.D
+// ...
+
+:function:::void:do_c_cond_fmt:int fmt, int ft, int fs, int cc, int cond, instruction_word insn
{
- unsigned32 instruction = instruction_0;
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int to UNUSED = ((instruction >> 23) & 0x00000001);
- {
- if (to) {
- if (fs == 0) {
- PENDING_FILL((fs + FCR0IDX),VL4_8(GPR[ft]));
- } else if (fs == 31) {
- PENDING_FILL((fs + FCR31IDX),VL4_8(GPR[ft]));
- } /* else NOP */
- PENDING_FILL(COCIDX,0); /* special case */
- } else { /* control from */
- if (fs == 0) {
- PENDING_FILL(ft,SIGNEXTEND(FCR0,32));
- } else if (fs == 31) {
- PENDING_FILL(ft,SIGNEXTEND(FCR31,32));
- } /* else NOP */
+ if ((fmt != fmt_single) && (fmt != fmt_double))
+ SignalException (ReservedInstruction, insn);
+ else
+ {
+ int less;
+ int equal;
+ int unordered;
+ int condition;
+ unsigned64 ofs = ValueFPR (fs, fmt);
+ unsigned64 oft = ValueFPR (ft, fmt);
+ if (NaN (ofs, fmt) || NaN (oft, fmt))
+ {
+ if (FCSR & FP_ENABLE (IO))
+ {
+ FCSR |= FP_CAUSE (IO);
+ SignalExceptionFPE ();
+ }
+ less = 0;
+ equal = 0;
+ unordered = 1;
+ }
+ else
+ {
+ less = Less (ofs, oft, fmt);
+ equal = Equal (ofs, oft, fmt);
+ unordered = 0;
+ }
+ condition = (((cond & (1 << 2)) && less)
+ || ((cond & (1 << 1)) && equal)
+ || ((cond & (1 << 0)) && unordered));
+ SETFCC (cc, condition);
}
- }
}
-
-//
-// FIXME: Does not correctly differentiate between mips*
-//
-010001,10,3.FMT,00000,5.FS,5.FD,100001:COP1:32::CVT.D.fmt
-"cvt.d.%s<FMT> f<FD>, f<FS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+010001,10,3.FMT,5.FT,5.FS,3.0,00,11,4.COND:COP1:32::C.cond.fmta
+"c.%s<COND>.%s<FMT> f<FS>, f<FT>"
+*mipsI,mipsII,mipsIII:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format == fmt_double) | 0)
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_double,Convert(GETRM(),ValueFPR(fs,format),format,fmt_double));
- }
+ do_c_cond_fmt (SD_, FMT, FT, FS, 0, COND, instruction_0);
}
-
-010001,10,3.FMT,00000,5.FS,5.FD,100101:COP1:64::CVT.L.fmt
-"cvt.l.%s<FMT> f<FD>, f<FS>"
-*mipsIII:
+010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32::C.cond.fmtb
+"c.%s<COND>.%s<FMT> f<FS>, f<FT>":CC == 0
+"c.%s<COND>.%s<FMT> <CC>, f<FS>, f<FT>"
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format == fmt_long) | ((format == fmt_long) || (format == fmt_word)))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(GETRM(),ValueFPR(fs,format),format,fmt_long));
- }
+ do_c_cond_fmt (SD_, FMT, FT, FS, CC, COND, instruction_0);
}
-//
-// FIXME: Does not correctly differentiate between mips*
-//
-010001,10,3.FMT,00000,5.FS,5.FD,100000:COP1:32::CVT.S.fmt
-"cvt.s.%s<FMT> f<FD>, f<FS>"
-*mipsI:
-*mipsII:
+010001,10,3.FMT,00000,5.FS,5.FD,001010:COP1:64::CEIL.L.fmt
+"ceil.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- if ((format == fmt_single) | 0)
+ if ((format != fmt_single) && (format != fmt_double))
SignalException(ReservedInstruction,instruction);
else
- StoreFPR(destreg,fmt_single,Convert(GETRM(),ValueFPR(fs,format),format,fmt_single));
+ StoreFPR(destreg,fmt_long,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_long));
}
}
-010001,10,3.FMT,00000,5.FS,5.FD,100100:COP1:32::CVT.W.fmt
-"cvt.w.%s<FMT> f<FD>, f<FS>"
-*mipsI:
+010001,10,3.FMT,00000,5.FS,5.FD,001110:COP1:32::CEIL.W
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- if ((format == fmt_word) | ((format == fmt_long) || (format == fmt_word)))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_word,Convert(GETRM(),ValueFPR(fs,format),format,fmt_word));
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_word,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_word));
}
}
-010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32::DIV.fmt
-"div.%s<FMT> f<FD>, f<FS>, f<FT>"
+// CFC1
+// CTC1
+010001,00,X,10,5.RT,5.FS,00000000000:COP1Sa:32::CxC1
+"c%s<X>c1 r<RT>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Divide(ValueFPR(fs,format),ValueFPR(ft,format),format));
- }
-}
-
-
-// DMFC1
-// DMTC1
-01000100,x,01,5.FT,vvvvv,00000000000:COP1S:64::DMxC1
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int to UNUSED = ((instruction >> 23) & 0x00000001);
- {
- if (to) {
- if (SizeFGR() == 64) {
- PENDING_FILL((fs + FGRIDX),GPR[ft]);
- } else
- if ((fs & 0x1) == 0)
- {
- PENDING_FILL(((fs + 1) + FGRIDX),VH4_8(GPR[ft]));
- PENDING_FILL((fs + FGRIDX),VL4_8(GPR[ft]));
- }
- } else {
- if (SizeFGR() == 64) {
- PENDING_FILL(ft,FGR[fs]);
- } else
- if ((fs & 0x1) == 0) {
- PENDING_FILL(ft,(SET64HI(FGR[fs+1]) | FGR[fs]));
- } else {
- PENDING_FILL(ft,SET64HI(0xDEADC0DE) | 0xBAD0BAD0);
- }
- }
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,001011:COP1:64::FLOOR.L.fmt
-"floor.l.%s<FMT> f<FD>, f<FS>"
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_long));
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,001111:COP1:32::FLOOR.W.fmt
-"floor.w.%s<FMT> f<FD>, f<FS>"
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_word,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_word));
- }
-}
-
-
-// LDC1
-110101,5.BASE,5.FT,16.OFFSET:COP1:32::LDC1
-
-
-010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64::LDXC1
-"ldxc1 f<FD>, r<INDEX>(r<BASE>)"
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + op2);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 4;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- COP_LD(1,destreg,memval);;
- }
- }
- }
-}
-
-
-// LWC1
-110001,5.BASE,5.FT,16.OFFSET:COP1:32::LWC1
-
-
-010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:32::LWXC1
-"lwxc1 f<FD>, r<INDEX>(r<BASE>)"
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + op2);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
+ if (X)
{
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- COP_LW(1,destreg,(unsigned int)((memval >> (8 * byte)) & 0xFFFFFFFF));
- }
- }
- }
-}
-
-
-
-//
-// FIXME: Not correct for mips*
-//
-010011,5.FR,5.FT,5.FS,5.FD,100,001:COP1X:32::MADD.D
-"madd.d f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int fr UNUSED = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_double,Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double));
- }
-}
-
-
-010011,5.FR,5.FT,5.FS,5.FD,100,000:COP1X:32::MADD.S
-"madd.s f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int fr UNUSED = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_single,Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single));
- }
-}
-
-
-// MFC1
-010001,00,X,00,5.RT,5.FS,00000000000:COP1S:32::MxC1
-"mXc1 r<RT>, f<FS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int to UNUSED = ((instruction >> 23) & 0x00000001);
- {
- if (to) {
- if (SizeFGR() == 64) {
- PENDING_FILL((fs + FGRIDX),(SET64HI(0xDEADC0DE) | VL4_8(GPR[ft])));
- } else {
- PENDING_FILL((fs + FGRIDX),VL4_8(GPR[ft]));
- }
- } else {
- PENDING_FILL(ft,SIGNEXTEND(FGR[fs],32));
+ if (FS == 0)
+ PENDING_FILL((FS + FCR0IDX),VL4_8(GPR[RT]));
+ else if (FS == 31)
+ PENDING_FILL((FS + FCR31IDX),VL4_8(GPR[RT]));
+ /* else NOP */
+ PENDING_FILL(COCIDX,0); /* special case */
}
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32::MOV.fmt
-"mov.%s<FMT> f<FD>, f<FS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- StoreFPR(destreg,format,ValueFPR(fs,format));
- }
-}
-
-
-// MOVF
-000000,5.RS,3.CC,0,1.TF,5.RD,00000000001:SPECIAL:32::MOVtf
-"mov%s<TF> r<RD>, r<FS>, <CC>"
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- int boolean UNUSED = ((instruction >> 16) & 0x00000001);
- int condition_code UNUSED = ((instruction >> 18) & 0x00000007);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- if (GETFCC(condition_code) == boolean)
- GPR[destreg] = op1;
- }
-}
-
-
-// MOVF.fmt
-010001,10,3.FMT,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32::MOVtf.fmt
-"mov%s<TF>.%s<FMT>
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int boolean UNUSED = ((instruction >> 16) & 0x00000001);
- int condition_code UNUSED = ((instruction >> 18) & 0x00000007);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if (GETFCC(condition_code) == boolean)
- StoreFPR(destreg,format,ValueFPR(fs,format));
- else
- StoreFPR(destreg,format,ValueFPR(destreg,format));
- }
-}
-
-
-010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32::MOVN.fmt
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- StoreFPR(destreg,format,ValueFPR(fs,format));
- }
-}
-
-
-// MOVT see MOVtf
-
-
-// MOVT.fmt see MOVtf.fmt
-
-
-
-010001,10,3.FMT,5.RT,5.FS,5.FD,010010:COP1:32::MOVZ.fmt
-"movz.%s<FMT> f<FD>, f<FS>, r<RT>"
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- StoreFPR(destreg,format,ValueFPR(fs,format));
- }
-}
-
-
-// MSUB.fmt
-010011,5.FR,5.FT,5.FS,5.FD,101,001:COP1X:32::MSUB.D
-"msub.d f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int fr UNUSED = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_double,(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
- }
-}
-
-
-// MSUB.fmt
-010011,bbbbb,5.FT,5.FS,5.FD,101000:COP1X:32::MSUB.S
-"msub.s f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int fr UNUSED = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_single,(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
- }
-}
-
-
-// MTC1 see MxC1
-
-
-010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32::MUL.fmt
-"mul.%s<FMT> f<FD>, f<FS>, f<FT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Multiply(ValueFPR(fs,format),ValueFPR(ft,format),format));
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32::NEG.fmt
-"neg.%s<FMT> f<FD>, f<FS>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Negate(ValueFPR(fs,format),format));
- }
-}
-
-
-// NMADD.fmt
-010011,5.FR,5.FT,5.FS,5.FD,110001:COP1X:32::NMADD.D
-"nmadd.d f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int fr UNUSED = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_double,Negate(Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
- }
-}
-
-
-// NMADD.fmt
-010011,5.FR,5.FT,5.FS,5.FD,110000:COP1X:32::NMADD.S
-"nmadd.s f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int fr UNUSED = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_single,Negate(Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
- }
-}
-
-
-// NMSUB.fmt
-010011,bbbbb,5.FT,5.FS,5.FD,111001:COP1X:32::NMSUB.D
-"nmsub.d f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int fr UNUSED = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_double,Negate(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
- }
-}
-
-
-// NMSUB.fmt
-010011,bbbbb,5.FT,5.FS,5.FD,111000:COP1X:32::NMSUB.S
-"nmsub.s f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int fr UNUSED = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_single,Negate(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
- }
-}
-
-
-010011,5.BASE,5.INDEX,5.HINT,00000001111:COP1X:32::PREFX
-"prefx <HINT>, r<INDEX>(r<BASE>)"
-*mipsIV:
-{
- unsigned32 instruction = instruction_0;
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + (unsigned64)op2);
- unsigned64 paddr;
- int uncached;
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- Prefetch(uncached,paddr,vaddr,isDATA,fs);
- }
-}
-
-010001,10,3.FMT,00000,5.FS,5.FD,010101:COP1:32::RECIP.fmt
-*mipsIV:
-"recip.%s<FMT> f<FD>, f<FS>"
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Recip(ValueFPR(fs,format),format));
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,001000:COP1:64::ROUND.L.fmt
-"round.l.%s<FMT> f<FD>, f<FS>"
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_long));
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,001100:COP1:32::ROUND.W.fmt
-"round.w.%s<FMT> f<FD>, f<FS>"
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_word,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_word));
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,010110:COP1:32::RSQRT.fmt
-*mipsIV:
-"rsqrt.%s<FMT> f<FD>, f<FS>"
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Recip(SquareRoot(ValueFPR(fs,format),format)));
- }
-}
-
-
-// SDC1
-
-
-010011,5.RS,5.RT,vvvvv,00000001001:COP1X:64::SDXC1
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + op2);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = (unsigned64)COP_SD(1,fs);
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,000100:COP1:32::SQRT.fmt
-"sqrt.%s<FMT> f<FD>, f<FS>"
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,(SquareRoot(ValueFPR(fs,format),format)));
- }
-}
-
-
-010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32::SUB.fmt
-"sub.%s<FMT> f<FD>, f<FS>, f<FT>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int ft UNUSED = ((instruction >> 16) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Sub(ValueFPR(fs,format),ValueFPR(ft,format),format));
- }
-}
-
-
-// SWC1
-
-
-010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32::SWXC1
-"swxc1 f<FT>, r<OFFSET>(r<BASE>)"
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-{
- unsigned32 instruction = instruction_0;
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + op2);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
- byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = (((unsigned64)COP_SW(1,fs)) << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,001001:COP1:64::TRUNC.L.fmt
-"trunc.l.%s<FMT> f<FD>, f<FS>"
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_long));
- }
-}
-
-
-010001,10,3.FMT,00000,5.FS,5.FD,001101:COP1:32::TRUNC.W
-"trunc.w.%s<FMT> f<FD>, f<FS>"
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 6) & 0x0000001F);
- int fs UNUSED = ((instruction >> 11) & 0x0000001F);
- int format UNUSED = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
else
- StoreFPR(destreg,fmt_word,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_word));
- }
-}
-
-\f
-//
-// MIPS Architecture:
-//
-// System Control Instruction Set (COP0)
-//
-
-
-010000,01000,00000,16.OFFSET:COP0:32::BC0F
-"bc0f <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,01000,00010,16.OFFSET:COP0:32::BC0FL
-"bc0fl <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,01000,00001,16.OFFSET:COP0:32::BC0T
-"bc0t <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-
-010000,01000,00011,16.OFFSET:COP0:32::BC0TL
-"bc0tl <OFFSET>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int hint UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = (op1 + offset);
- unsigned64 paddr;
- int uncached;
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- CacheOp(hint,vaddr,paddr,instruction);
- }
-}
-
-
-010000,10000,000000000000000,111001:COP0:32::DI
-"di"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,10000,000000000000000,111000:COP0:32::EI
-"ei"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,10000,000000000000000,011000:COP0:32::ERET
-"eret"
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,00000,5.RT,5.RD,00000,6.REGX:COP0:32::MFC0
-"mfc0 r<RT>, r<RD> # <REGX>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0
-"mtc0 r<RT>, r<RD> # <REGX>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,10000,000000000000000,001000:COP0:32::TLBP
-"tlbp"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,10000,000000000000000,000001:COP0:32::TLBR
-"tlbr"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,10000,000000000000000,000010:COP0:32::TLBWI
-"tlbwi"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-
-010000,10000,000000000000000,000110:COP0:32::TLBWR
-"tlbwr"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
-\f
-//
-// MIPS Architecture:
-//
-// CPU Instruction Set (mips16)
-//
-
-// The instructions in this section are ordered according
-// to http://www.sgi.com/MIPS/arch/MIPS16/mips16.pdf.
-
-
-// Load and Store Instructions
-
-
-10000,xxx,ddd,55555:RRI:16::LB
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 0;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x000000FF),8));
- }
- }
- }
-}
-
-
-10100,xxx,ddd,55555:RRI:16::LBU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 0;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (((memval >> (8 * byte)) & 0x000000FF));
- }
- }
- }
-}
-
-
-10001,xxx,ddd,HHHHH:RRI:16::LH
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 1;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 1) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 1;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x0000FFFF),16));
- }
- }
- }
-}
-
-
-10101,xxx,ddd,HHHHH:RRI:16::LHU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 1;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 1) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 1;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (((memval >> (8 * byte)) & 0x0000FFFF));
- }
- }
- }
-}
-
-
-10011,xxx,ddd,WWWWW:RRI:16::LW
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 2;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
- }
- }
- }
-}
-
-
-10110,ddd,VVVVVVVV,P:RI:16::LWPC
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- int offset = (instruction >> 0) & 0xff;
- t_reg op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x3;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 2;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
- }
- }
- }
-}
-
-
-10010,ddd,VVVVVVVV,s:RI:16::LWSP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- int offset = (instruction >> 0) & 0xff;
- t_reg op1 = 29;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 2;
- }
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
- }
- }
- }
-}
-
-
-10111,xxx,ddd,WWWWW:RRI:16::LWU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 2;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (((memval >> (8 * byte)) & 0xFFFFFFFF));
- }
- }
- }
-}
-
-
-00111,xxx,ddd,DDDDD:RRI:16::LD
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 3;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 4;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = memval;
- }
- }
- }
-}
-
-
-11111100,ddd,5.RD,P:RI64:16::LDPC
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- t_reg op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x7;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 3;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 4;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = memval;
- }
- }
- }
-}
-
-
-11111000,ddd,5.RD,s:RI64:16::LDSP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- t_reg op1 = 29;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 3;
- }
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 4;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = memval;
- }
- }
- }
-}
-
-
-11000,xxx,yyy,55555:RRI:16::SB
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 0;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- byte = ((vaddr & mask) ^ (bigend << shift));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_BYTE,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-11001,xxx,yyy,HHHHH:RRI:16::SH
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 1;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 1) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 1;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- byte = ((vaddr & mask) ^ (bigend << shift));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_HALFWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-11011,xxx,yyy,WWWWW:RRI:16::SW
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 2;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
- byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-11010,yyy,VVVVVVVV,s:RI:16::SWSP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op2 = (instruction >> 8) & 0x7;
- int offset = (instruction >> 0) & 0xff;
- t_reg op1 = 29;
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 2;
- }
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
- byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-01100010,VVVVVVVV,Q,s:I8:16::SWRASP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int offset = (instruction >> 0) & 0xff;
- t_reg op2 = 31;
- t_reg op1 = 29;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 2;
- }
- op2 = GPR[op2];
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
- byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-01111,xxx,yyy,DDDDD:RRI:16::SD
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 3;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = op2;
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-11111001,yyy,5.RD,s:RI64:16::SDSP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op2 = (instruction >> 5) & 0x7;
- int offset = (instruction >> 0) & 0x1f;
- t_reg op1 = 29;
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 3;
- }
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = op2;
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-11111010,CCCCCCCC,s,Q:I64:16::SDRASP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int offset = (instruction >> 0) & 0xff;
- t_reg op1 = 29;
- t_reg op2 = 31;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- offset <<= 3;
- }
- op1 = GPR[op1];
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = op2;
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
-}
-
-
-// ALU Immediate Instructions
-
-
-01101,ddd,UUUUUUUU,Z:RI:16::LI
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- int op2 = (instruction >> 0) & 0xff;
- t_reg op1 = 0;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- have_extendval = 0;
- }
- else
- {
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- if (destreg != 0)
- GPR[destreg] = (op1 | op2);
- }
-}
-
-
-01000,xxx,ddd,04444:RRI_A:16::ADDIU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = (instruction >> 5) & 0x7;
- int op2 = (instruction >> 0) & 0xf;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- op2 |= ((extendval & 0xf) << 11) | (extendval & 0x7f0);
- if (op2 >= 0x4000)
- op2 -= 0x8000;
- have_extendval = 0;
- }
- else
- {
- if (op2 >= 0x8)
- op2 -= 0x10;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int temp = (unsigned int)(op1 + op2);
- signed int tempS UNUSED = (signed int)temp;
- GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
- }
-}
-
-
-01001,www,kkkkkkkk:RI:16::ADDIU8
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg;
- int op2 = (instruction >> 0) & 0xff;
- if (op1 < 2)
- op1 += 16;
- destreg = op1;
- op1 = GPR[op1];
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- if (op2 >= 0x80)
- op2 -= 0x100;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int temp = (unsigned int)(op1 + op2);
- signed int tempS UNUSED = (signed int)temp;
- GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
- }
-}
-
-
-01100011,KKKKKKKK,S:I8:16::ADJSP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int op2 = (instruction >> 0) & 0xff;
- t_reg op1 = 29;
- int destreg;
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- if (op2 >= 0x80)
- op2 -= 0x100;
- op2 <<= 3;
- }
- destreg = op1;
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int temp = (unsigned int)(op1 + op2);
- signed int tempS UNUSED = (signed int)temp;
- GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
- }
-}
-
-
-00001,ddd,AAAAAAAA,P:RI:16::ADDIUPC
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- int op2 = (instruction >> 0) & 0xff;
- t_reg op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x3;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- op2 <<= 2;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int temp = (unsigned int)(op1 + op2);
- signed int tempS UNUSED = (signed int)temp;
- GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
- }
-}
-
-
-00000,ddd,AAAAAAAA,s:RI:16::ADDIUSP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- int op2 = (instruction >> 0) & 0xff;
- t_reg op1 = 29;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- op2 <<= 2;
- }
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int temp = (unsigned int)(op1 + op2);
- signed int tempS UNUSED = (signed int)temp;
- GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
- }
-}
-
-
-01000,xxx,ddd,14444:RRI_A:16::DADDIU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = (instruction >> 5) & 0x7;
- int op2 = (instruction >> 0) & 0xf;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- op2 |= ((extendval & 0xf) << 11) | (extendval & 0x7f0);
- if (op2 >= 0x4000)
- op2 -= 0x8000;
- have_extendval = 0;
- }
- else
- {
- if (op2 >= 0x8)
- op2 -= 0x10;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 temp = (unsigned64)(op1 + op2);
- word64 tempS UNUSED = (word64)temp;
- GPR[destreg] = (unsigned64)temp;
- }
-}
-
-
-11111101,www,jjjjj:RI64:16::DADDIU5
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 5) & 0x7;
- int destreg;
- int op2 = (instruction >> 0) & 0x1f;
- if (op1 < 2)
- op1 += 16;
- destreg = op1;
- op1 = GPR[op1];
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- if (op2 >= 0x10)
- op2 -= 0x20;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 temp = (unsigned64)(op1 + op2);
- word64 tempS UNUSED = (word64)temp;
- GPR[destreg] = (unsigned64)temp;
- }
-}
-
-
-11111011,KKKKKKKK,S:I64:16::DADJSP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int op2 = (instruction >> 0) & 0xff;
- t_reg op1 = 29;
- int destreg;
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- if (op2 >= 0x80)
- op2 -= 0x100;
- op2 <<= 3;
- }
- destreg = op1;
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 temp = (unsigned64)(op1 + op2);
- word64 tempS UNUSED = (word64)temp;
- GPR[destreg] = (unsigned64)temp;
- }
-}
-
-
-11111110,ddd,EEEEE,P:RI64:16::DADDIUPC
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 5) & 0x7;
- int op2 = (instruction >> 0) & 0x1f;
- t_reg op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x3;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- op2 <<= 2;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 temp = (unsigned64)(op1 + op2);
- word64 tempS UNUSED = (word64)temp;
- GPR[destreg] = (unsigned64)temp;
- }
-}
-
-
-11111111,ddd,EEEEE,s:RI64:16::DADDIUSP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 5) & 0x7;
- int op2 = (instruction >> 0) & 0x1f;
- t_reg op1 = 29;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- op2 <<= 2;
- }
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 temp = (unsigned64)(op1 + op2);
- word64 tempS UNUSED = (word64)temp;
- GPR[destreg] = (unsigned64)temp;
- }
-}
-
-
-01010,xxx,88888888,T:RI:16::SLTI
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int op2 = (instruction >> 0) & 0xff;
- int destreg = 24;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- if ((word64)op1 < (word64)op2)
- GPR[destreg] = 1;
- else
- GPR[destreg] = 0;
- }
-}
-
-
-01011,xxx,88888888,T:RI:16::SLTIU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int op2 = (instruction >> 0) & 0xff;
- int destreg = 24;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (op2 >= 0x8000)
- op2 -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- if ((unsigned64)op1 < (unsigned64)op2)
- GPR[destreg] = 1;
- else
- GPR[destreg] = 0;
- }
-}
-
-
-11101,xxx,yyy,01010,T:RR:16::CMP
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg = 24;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = (op1 ^ op2);
- }
-}
-
-
-01110,xxx,UUUUUUUU,T:RI:16::CMPI
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int op2 = (instruction >> 0) & 0xff;
- int destreg = 24;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (have_extendval)
- {
- op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- have_extendval = 0;
- }
- else
- {
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = (op1 ^ op2);
- }
-}
-
-
-// Two/Three Operand, Register-Type
-
-
-11100,xxx,yyy,ddd,01:RRR:16::ADDU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg = (instruction >> 2) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int temp = (unsigned int)(op1 + op2);
- signed int tempS UNUSED = (signed int)temp;
- GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
- }
-}
-
-
-11100,xxx,yyy,ddd,11:RRR:16::SUBU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg = (instruction >> 2) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int temp = (unsigned int)(op1 - op2);
- signed int tempS UNUSED = (signed int)temp;
- GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
- }
-}
-
-
-11100,xxx,yyy,ddd,00:RRR:16::DADDU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg = (instruction >> 2) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 temp = (unsigned64)(op1 + op2);
- word64 tempS UNUSED = (word64)temp;
- GPR[destreg] = (unsigned64)temp;
- }
-}
-
-
-11100,xxx,yyy,ddd,10:RRR:16::DSUBU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg = (instruction >> 2) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 temp = (unsigned64)(op1 - op2);
- word64 tempS UNUSED = (word64)temp;
- GPR[destreg] = (unsigned64)temp;
- }
-}
-
-
-11101,xxx,yyy,00010,T:RR:16::SLT
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg = 24;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- if ((word64)op1 < (word64)op2)
- GPR[destreg] = 1;
- else
- GPR[destreg] = 0;
- }
-}
-
-
-11101,xxx,yyy,00011,T:RR:16::SLTU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg = 24;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- if ((unsigned64)op1 < (unsigned64)op2)
- GPR[destreg] = 1;
- else
- GPR[destreg] = 0;
- }
-}
-
-
-11101,ddd,yyy,01011,Z:RR:16::NEG
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- t_reg op1 = 0;
- if (destreg < 2)
- destreg += 16;
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int temp = (unsigned int)(op1 - op2);
- signed int tempS UNUSED = (signed int)temp;
- GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32);
- }
-}
-
-
-11101,www,yyy,01100:RR:16::AND
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- destreg = op1;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = (op1 & op2);
- }
-}
-
-
-11101,www,yyy,01101:RR:16::OR
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- destreg = op1;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- if (destreg != 0)
- GPR[destreg] = (op1 | op2);
- }
-}
-
-
-11101,www,yyy,01110:RR:16::XOR
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- destreg = op1;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = (op1 ^ op2);
- }
-}
-
-
-11101,ddd,yyy,01111,Z:RR:16::NOT
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- t_reg op1 = 0;
- if (destreg < 2)
- destreg += 16;
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- if (destreg != 0)
- GPR[destreg] = ~(op1 | op2);
- }
-}
-
-
-01100111,ddd,XXXXX,z:I8_MOVR32:16::MOVR32
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 5) & 0x7;
- t_reg op1 = (instruction >> 0) & 0x1f;
- t_reg op2 = 0;
- if (destreg < 2)
- destreg += 16;
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- if (destreg != 0)
- GPR[destreg] = (op1 | op2);
- }
-}
-
-
-01100101,YYYYY,xxx,z:I8_MOV32R:16::MOV32R
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 3) & 0x1f;
- t_reg op1 = (instruction >> 0) & 0x7;
- t_reg op2 = 0;
- destreg = (destreg >> 2) | ((destreg & 3) << 3);
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- if (destreg != 0)
- GPR[destreg] = (op1 | op2);
- }
-}
-
-
-00110,ddd,yyy,sss,00:ISHIFT:16::SLL
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int op1 = (instruction >> 2) & 0x7;
- if (destreg < 2)
- destreg += 16;
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- op1 = (extendval >> 6) & 0x1f;
- have_extendval = 0;
- }
- else
- {
- if (op1 == 0)
- op1 = 8;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = ((unsigned64)op2 << op1);
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
-}
-
-
-00110,ddd,yyy,sss,10:ISHIFT:16::SRL
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int op1 = (instruction >> 2) & 0x7;
- if (destreg < 2)
- destreg += 16;
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- op1 = (extendval >> 6) & 0x1f;
- have_extendval = 0;
- }
- else
- {
- if (op1 == 0)
- op1 = 8;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1);
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
-}
-
-
-00110,ddd,yyy,sss,11:ISHIFT:16::SRA
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int op1 = (instruction >> 2) & 0x7;
- if (destreg < 2)
- destreg += 16;
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- op1 = (extendval >> 6) & 0x1f;
- have_extendval = 0;
- }
- else
- {
- if (op1 == 0)
- op1 = 8;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int highbit = (unsigned int)1 << 31;
- GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1);
- GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned int)1 << op1) - 1) << (32 - op1)) : 0);
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
-}
-
-
-11101,xxx,vvv,00100:RR:16::SLLV
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- destreg = op2;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- op1 &= 0x1F;
- GPR[destreg] = ((unsigned64)op2 << op1);
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
-}
-
-
-11101,xxx,vvv,00110:RR:16::SRLV
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- destreg = op2;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- op1 &= 0x1F;
- GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1);
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
-}
-
-
-11101,xxx,vvv,00111:RR:16::SRAV
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- destreg = op2;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned int highbit = (unsigned int)1 << 31;
- op1 &= 0x1F;
- GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1);
- GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned int)1 << op1) - 1) << (32 - op1)) : 0);
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
-}
-
-
-00110,ddd,yyy,[[[,01:ISHIFT:16::DSLL
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int op1 = (instruction >> 2) & 0x7;
- if (destreg < 2)
- destreg += 16;
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- {
- op1 = ((extendval >> 6) & 0x1f) | (extendval & 0x20);
- have_extendval = 0;
- }
- else
- {
- if (op1 == 0)
- op1 = 8;
- }
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = ((unsigned64)op2 << op1);
- }
-}
-
-
-11101,XXX,vvv,01000:RR:16::DSRL
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg;
- if (have_extendval)
- {
- op1 = ((extendval >> 6) & 0x1f) | (extendval & 0x20);
- have_extendval = 0;
- }
- else
- {
- if (op1 == 0)
- op1 = 8;
- }
- if (op2 < 2)
- op2 += 16;
- destreg = op2;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = ((unsigned64)(op2) >> op1);
- }
-}
-
-
-11101,xxx,vvv,10011:RR:16::DSRA
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg;
- if (have_extendval)
- {
- op1 = ((extendval >> 6) & 0x1f) | (extendval & 0x20);
- have_extendval = 0;
- }
- else
- {
- if (op1 == 0)
- op1 = 8;
- }
- if (op2 < 2)
- op2 += 16;
- destreg = op2;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 highbit = (unsigned64)1 << 63;
- GPR[destreg] = ((unsigned64)(op2) >> op1);
- GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned64)1 << op1) - 1) << (64 - op1)) : 0);
- }
-}
-
-
-11101,xxx,vvv,10100:RR:16::DSLLV
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- destreg = op2;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- op1 &= 0x3F;
- GPR[destreg] = ((unsigned64)op2 << op1);
- }
-}
-
-
-11101,xxx,vvv,10110:RR:16::DSRLV
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- destreg = op2;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- op1 &= 0x3F;
- GPR[destreg] = ((unsigned64)(op2) >> op1);
- }
-}
-
-
-11101,xxx,vvv,10111:RR:16::DSRAV
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- int destreg;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- destreg = op2;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- unsigned64 highbit = (unsigned64)1 << 63;
- op1 &= 0x3F;
- GPR[destreg] = ((unsigned64)(op2) >> op1);
- GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned64)1 << op1) - 1) << (64 - op1)) : 0);
- }
-}
-
-
-// Multiply /Divide Instructions
-
-
-11101,xxx,yyy,11000:RR:16::MULT
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- CHECKHILO("Multiplication");
- {
- unsigned64 temp = ((word64) op1 * (word64) op2);
- LO = SIGNEXTEND((unsigned64)VL4_8(temp),32);
- HI = SIGNEXTEND((unsigned64)VH4_8(temp),32);
- }
- }
-}
-
-
-11101,xxx,yyy,11001:RR:16::MULTU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- CHECKHILO("Multiplication");
- {
- unsigned64 temp = ((unsigned64)(op1 & 0xffffffff) * (unsigned64)(op2 & 0xffffffff));
- LO = SIGNEXTEND((unsigned64)VL4_8(temp),32);
- HI = SIGNEXTEND((unsigned64)VH4_8(temp),32);
- }
- }
-}
-
-
-11101,xxx,yyy,11010:RR:16::DIV
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- CHECKHILO("Division");
- {
- int d1 = op1;
- int d2 = op2;
- if (d2 == 0)
- {
- LO = SIGNEXTEND(0x80000000,32);
- HI = SIGNEXTEND(0,32);
- }
- else if (d2 == -1 && d1 == 0x80000000)
- {
- LO = SIGNEXTEND(0x80000000,32);
- HI = SIGNEXTEND(0,32);
- }
- else
- {
- LO = SIGNEXTEND((d1 / d2),32);
- HI = SIGNEXTEND((d1 % d2),32);
- }
- }
- }
-}
-
-
-11101,xxx,yyy,11011:RR:16::DIVU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- CHECKHILO("Division");
- {
- unsigned int d1 = op1;
- unsigned int d2 = op2;
- if (d2 == 0)
- {
- LO = SIGNEXTEND(0x80000000,32);
- HI = SIGNEXTEND(0,32);
- }
- else if (d2 == -1 && d1 == 0x80000000)
- {
- LO = SIGNEXTEND(0x80000000,32);
- HI = SIGNEXTEND(0,32);
- }
- else
- {
- LO = SIGNEXTEND((d1 / d2),32);
- HI = SIGNEXTEND((d1 % d2),32);
- }
- }
- }
-}
-
-
-11101,ddd,00010000:RR:16::MFHI
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = HI;
- HIACCESS = 3; /* 3rd instruction will be safe */
- }
-}
-
-
-11101,ddd,00010010:RR:16::MFLO
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int destreg = (instruction >> 8) & 0x7;
- if (destreg < 2)
- destreg += 16;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = LO;
- LOACCESS = 3; /* 3rd instruction will be safe */
- }
-}
-
-
-11101,xxx,yyy,11100:RR:16::DMULT
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- CHECKHILO("Multiplication");
- {
- unsigned64 mid;
- unsigned64 midhi;
- unsigned64 temp;
- int sign = 0;
- if (op1 < 0) { op1 = - op1; ++sign; }
- if (op2 < 0) { op2 = - op2; ++sign; }
- LO = ((unsigned64)VL4_8(op1) * VL4_8(op2));
- HI = ((unsigned64)VH4_8(op1) * VH4_8(op2));
- mid = ((unsigned64)VH4_8(op1) * VL4_8(op2));
- midhi = SET64HI(VL4_8(mid));
- temp = (LO + midhi);
- if ((temp == midhi) ? (LO != 0) : (temp < midhi))
- HI += 1;
- HI += VH4_8(mid);
- mid = ((unsigned64)VL4_8(op1) * VH4_8(op2));
- midhi = SET64HI(VL4_8(mid));
- LO = (temp + midhi);
- if ((LO == midhi) ? (temp != 0) : (LO < midhi))
- HI += 1;
- HI += VH4_8(mid);
- if (sign & 1) { LO = - LO; HI = (LO == 0 ? 0 : -1) - HI; }
- }
- }
-}
-
-
-11101,xxx,yyy,11101:RR:16::DMULTU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- CHECKHILO("Multiplication");
- {
- unsigned64 mid;
- unsigned64 midhi;
- unsigned64 temp;
- LO = ((unsigned64)VL4_8(op1) * VL4_8(op2));
- HI = ((unsigned64)VH4_8(op1) * VH4_8(op2));
- mid = ((unsigned64)VH4_8(op1) * VL4_8(op2));
- midhi = SET64HI(VL4_8(mid));
- temp = (LO + midhi);
- if ((temp == midhi) ? (LO != 0) : (temp < midhi))
- HI += 1;
- HI += VH4_8(mid);
- mid = ((unsigned64)VL4_8(op1) * VH4_8(op2));
- midhi = SET64HI(VL4_8(mid));
- LO = (temp + midhi);
- if ((LO == midhi) ? (temp != 0) : (LO < midhi))
- HI += 1;
- HI += VH4_8(mid);
- }
- }
-}
-
-
-11101,xxx,yyy,11110:RR:16::DDIV
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- CHECKHILO("Division");
- {
- word64 d1 = op1;
- word64 d2 = op2;
- if (d2 == 0)
- {
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
- }
- else if (d2 == -1 && d1 == SIGNED64 (0x8000000000000000))
- {
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
- }
- else
- {
- LO = (d1 / d2);
- HI = (d1 % d2);
- }
- }
- }
-}
-
-
-11101,xxx,yyy,11111:RR:16::DDIVU
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- t_reg op2 = (instruction >> 5) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (op2 < 2)
- op2 += 16;
- op2 = GPR[op2];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- CHECKHILO("Division");
- {
- unsigned64 d1 = op1;
- unsigned64 d2 = op2;
- if (d2 == 0)
- {
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
- }
- else if (d2 == -1 && d1 == SIGNED64 (0x8000000000000000))
- {
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
- }
- else
- {
- LO = (d1 / d2);
- HI = (d1 % d2);
- }
- }
- }
-}
-
-
-// Jump and Branch Instructions
-
-
-// JALX
-// JAL
-00011,aaaaaaaaaaa:I:16::JAL
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- ut_reg op1 = (instruction >> 0) & 0x7ff;
- {
- unsigned64 paddr;
- int uncached;
- if (AddressTranslation (PC &~ (unsigned64) 1, isINSTRUCTION, isLOAD, &paddr, &uncached, isTARGET, isREAL))
- {
- unsigned64 memval;
- unsigned int reverse = (ReverseEndian ? 3 : 0);
- unsigned int bigend = (BigEndianCPU ? 3 : 0);
- unsigned int byte;
- paddr = ((paddr & ~0x7) | ((paddr & 0x7) ^ (reverse << 1)));
- LoadMemory (&memval,0,uncached, AccessLength_HALFWORD, paddr, PC, isINSTRUCTION, isREAL);
- byte = (((PC &~ (unsigned64) 1) & 0x7) ^ (bigend << 1));
- memval = (memval >> (8 * byte)) & 0xffff;
- op1 = (((op1 & 0x1f) << 23)
- | ((op1 & 0x3e0) << 13)
- | (memval << 2));
- if ((instruction & 0x400) == 0)
- op1 |= 1;
- PC += 2;
- }
- }
- op1 |= PC & ~ (unsigned64) 0x0fffffff;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- int destreg = 31;
- GPR[destreg] = (PC + 2); /* NOTE: The PC is already 2 ahead within the simulator */
- /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
- so we just truncate it to 32 bits here. */
- op1 = VL4_8(op1);
- /* NOTE: The jump occurs AFTER the next instruction has been executed */
- DSPC = op1;
- JALDELAYSLOT();
- }
-}
-
-
-11101,xxx,00000000:RR:16::JR
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
- so we just truncate it to 32 bits here. */
- op1 = VL4_8(op1);
- /* NOTE: The jump occurs AFTER the next instruction has been executed */
- DSPC = op1;
- DELAYSLOT();
- }
-}
-
-
-1110100000100000,r:RR:16::JRRA
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = 31;
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
- so we just truncate it to 32 bits here. */
- op1 = VL4_8(op1);
- /* NOTE: The jump occurs AFTER the next instruction has been executed */
- DSPC = op1;
- DELAYSLOT();
- }
-}
-
-
-11101,xxx,01000000,R:RR:16::JALR
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int destreg = 31;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- GPR[destreg] = (PC + 2); /* NOTE: The PC is already 2 ahead within the simulator */
- /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
- so we just truncate it to 32 bits here. */
- op1 = VL4_8(op1);
- /* NOTE: The jump occurs AFTER the next instruction has been executed */
- DSPC = op1;
- DELAYSLOT();
- }
-}
-
-
-00100,xxx,pppppppp,z:RI:16::BEQZ
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int offset = (instruction >> 0) & 0xff;
- t_reg op2 = 0;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- if (offset >= 0x80)
- offset -= 0x100;
- }
- offset *= 2;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- int condition = (op1 == op2);
- if (condition)
- PC = PC + offset;
- }
-}
-
-
-00101,xxx,pppppppp,z:RI:16::BNEZ
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 = (instruction >> 8) & 0x7;
- int offset = (instruction >> 0) & 0xff;
- t_reg op2 = 0;
- if (op1 < 2)
- op1 += 16;
- op1 = GPR[op1];
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- if (offset >= 0x80)
- offset -= 0x100;
- }
- offset *= 2;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- int condition = (op1 != op2);
- if (condition)
- PC = PC + offset;
- }
-}
-
-
-01100000,pppppppp,t,z:I8:16::BTEQZ
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int offset = (instruction >> 0) & 0xff;
- t_reg op1 = 24;
- t_reg op2 = 0;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- if (offset >= 0x80)
- offset -= 0x100;
- }
- offset *= 2;
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- int condition = (op1 == op2);
- if (condition)
- PC = PC + offset;
- }
-}
-
-
-01100001,pppppppp,t,z:I8:16::BTNEZ
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int offset = (instruction >> 0) & 0xff;
- t_reg op1 = 24;
- t_reg op2 = 0;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- if (offset >= 0x80)
- offset -= 0x100;
- }
- offset *= 2;
- op1 = GPR[op1];
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- int condition = (op1 != op2);
- if (condition)
- PC = PC + offset;
- }
-}
-
-
-00010,qqqqqqqqqqq,z,Z:I:16::B
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int offset = (instruction >> 0) & 0x7ff;
- t_reg op2 = 0;
- t_reg op1 = 0;
- if (have_extendval)
- {
- offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0);
- if (offset >= 0x8000)
- offset -= 0x10000;
- have_extendval = 0;
- }
- else
- {
- if (offset >= 0x400)
- offset -= 0x800;
- }
- offset *= 2;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- int condition = (op1 == op2);
- if (condition)
- PC = PC + offset;
- }
-}
-
-
-// Special Instructions
-
-
-// See the front of the mips16 doc
-11110,eeeeeeeeeee:I:16::EXTEND
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- int ext = (instruction >> 0) & 0x7ff;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- extendval = ext;
- have_extendval = 1;
- }
-}
-
-
-01100,******,00101:RR:16::BREAK
-*mips16:
-{
- unsigned32 instruction = instruction_0;
- if (have_extendval)
- SignalException (ReservedInstruction, instruction);
- {
- SignalException(BreakPoint,instruction);
- }
-}
-
-\f
-// start-sanitize-r5900
-
-// FIXME: The instructions below which are typically r5900 specific
-// need to be merged back into the above.
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,0000000000011010:MMINORM:32::DIV1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- CHECKHILO("Division");
- {
- int d1 = op1;
- int d2 = op2;
- if (d2 == 0)
- {
- LO1 = SIGNEXTEND(0x80000000,32);
- HI1 = SIGNEXTEND(0,32);
- }
- else if (d2 == -1 && d1 == 0x80000000)
- {
- LO1 = SIGNEXTEND(0x80000000,32);
- HI1 = SIGNEXTEND(0,32);
- }
- else
- {
- LO1 = SIGNEXTEND((d1 / d2),32);
- HI1 = SIGNEXTEND((d1 % d2),32);
- }
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,0000000000011011:MMINORM:32::DIVU1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- CHECKHILO("Division");
- {
- unsigned int d1 = op1;
- unsigned int d2 = op2;
- if (d2 == 0)
- {
- LO1 = SIGNEXTEND(0x80000000,32);
- HI1 = SIGNEXTEND(0,32);
- }
- else if (d2 == -1 && d1 == 0x80000000)
- {
- LO1 = SIGNEXTEND(0x80000000,32);
- HI1 = SIGNEXTEND(0,32);
- }
- else
- {
- LO1 = SIGNEXTEND((d1 / d2),32);
- HI1 = SIGNEXTEND((d1 % d2),32);
- }
- }
- }
-}
-
-// end-sanitize-r5900
-
-011101,26.INSTR_INDEX:NORMAL:32::JALX
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- ut_reg op1 UNUSED = (((instruction >> 0) & 0x03FFFFFF) << 2);
- op1 |= (PC & ~0x0FFFFFFF); /* address of instruction in delay slot for the jump */
- {
- int destreg = 31;
- GPR[destreg] = (PC + 4); /* NOTE: The PC is already 4 ahead within the simulator */
- op1 ^= 1;
- /* NOTE: ??? Gdb gets confused if the PC is sign-extended,
- so we just truncate it to 32 bits here. */
- op1 = VL4_8(op1);
- /* NOTE: The jump occurs AFTER the next instruction has been executed */
- DSPC = op1;
- JALDELAYSLOT();
- }
-}
-
-// start-sanitize-r5900
-
-011110,5.RS,5.RT,16.OFFSET:NORMAL:128::LQ
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 15) != 0)
- SignalException(AddressLoad);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 8;
- unsigned int reverse UNUSED = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend UNUSED = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte UNUSED;
- LoadMemory(&memval,&memval1,uncached,AccessLength_QUADWORD,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = memval;
- GPR1[destreg] = memval1;
- }
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00000000000:MMINORM:32::MADD
-*r5900:
-*r3900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- word64 prod = (word64)WORD64(VL4_8(HI),VL4_8(LO)) + ((word64)SIGNEXTEND(op1,32) * (word64)SIGNEXTEND(op2,32));
- LO = SIGNEXTEND(prod,32);
- HI = SIGNEXTEND( VH4_8(prod), 32);
- if( destreg != 0 ) GPR[destreg] = LO;
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00000000001:MMINORM:32::MADDU
-*r5900:
-*r3900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 prod = (unsigned64)WORD64(VL4_8(HI),VL4_8(LO)) + ((unsigned64)VL4_8(op1) * (unsigned64)VL4_8(op2));
- LO = SIGNEXTEND(prod,32);
- HI = SIGNEXTEND( VH4_8(prod), 32);
- if( destreg != 0 ) GPR[destreg] = LO;
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00000100000:MMINORM:32::MADD1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- word64 prod = (word64)WORD64(VL4_8(HI1),VL4_8(LO1)) + ((word64)SIGNEXTEND(op1,32) * (word64)SIGNEXTEND(op2,32));
- LO1 = SIGNEXTEND(prod,32);
- HI1 = SIGNEXTEND( VH4_8(prod), 32);
- if( destreg != 0 ) GPR[destreg] = LO1;
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00000100001:MMINORM:32::MADDU1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 prod = (unsigned64)WORD64(VL4_8(HI1),VL4_8(LO1)) + ((unsigned64)VL4_8(op1) * (unsigned64)VL4_8(op2));
- LO1 = SIGNEXTEND(prod,32);
- HI1 = SIGNEXTEND( VH4_8(prod), 32);
- if( destreg != 0 ) GPR[destreg] = LO1;
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-0111000000000000,5.RD,00000010000:MMINORM:32::MFHI1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- {
- GPR[destreg] = HI1;
- HI1ACCESS = 3; /* 3rd instruction will be safe */
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-0111000000000000,5.RD,00000010010:MMINORM:32::MFLO1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- {
- GPR[destreg] = LO1;
- LO1ACCESS = 3; /* 3rd instruction will be safe */
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-0000000000000000,5.RD,00000101000:SPECIAL:32::MFSA
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- {
- GPR[destreg] = SA;
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,000000000000000010001:MMINORM:32::MTHI1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- if (HI1ACCESS != 0)
- sim_warning("MT (move-to) over-writing HI register value");
- HI1 = op1;
- HI1ACCESS = 3; /* 3rd instruction will be safe */
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,000000000000000010011:MMINORM:32::MTLO1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- if (LO1ACCESS != 0)
- sim_warning("MT (move-to) over-writing LO register value");
- LO1 = op1;
- LO1ACCESS = 3; /* 3rd instruction will be safe */
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-000000,5.RS,000000000000000101001:SPECIAL:32::MTSA
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- SA = op1;
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-000001,5.RS,11000,16.IMMEDIATE:REGIMM:32::MTSAB
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg op2 UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- SA = ((op1 & 0xF) ^ (op2 & 0xF)) * 8;
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-000001,5.RS,11001,16.IMMEDIATE:REGIMM:32::MTSAH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg op2 UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- SA = ((op1 & 0x7) ^ (op2 & 0x7)) * 16;
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00000011000:MMINORM:32::MULT1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- CHECKHILO("Multiplication");
- {
- unsigned64 temp = ((word64) op1 * (word64) op2);
- LO1 = SIGNEXTEND((unsigned64)VL4_8(temp),32);
- HI1 = SIGNEXTEND((unsigned64)VH4_8(temp),32);
- if ( destreg != 0 )
- GPR[destreg] = LO1;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00000011001:MMINORM:32::MULTU1
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- CHECKHILO("Multiplication");
- {
- unsigned64 temp = ((unsigned64)(op1 & 0xffffffff) * (unsigned64)(op2 & 0xffffffff));
- LO1 = SIGNEXTEND((unsigned64)VL4_8(temp),32);
- HI1 = SIGNEXTEND((unsigned64)VH4_8(temp),32);
- if ( destreg != 0 )
- GPR[destreg] = LO1;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-01110000000,5.RT,5.RD,00101101000:MMI1:32::PABSH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- int i;
- for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
- {
- if (RT_SH(i) >= 0)
- GPR_SH(destreg,i) = RT_SH(i);
- else if (RT_SH(i) == -32768)
- GPR_SH(destreg,i) = 32767;
- else
- GPR_SH(destreg,i) = -RT_SH(i);
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-01110000000,5.RT,5.RD,00001101000:MMI1:32::PABSW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- {
- if (RT_SW(i) >= 0)
- GPR_SW(destreg,i) = RT_SW(i);
- else if (RT_SW(i) == (int)0x80000000)
- GPR_SW(destreg,i) = (int)0x7FFFFFFF;
- else
- GPR_SW(destreg,i) = -RT_SW(i);
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,01000001000:MMI0:32::PADDB
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < BYTES_IN_MMI_REGS; i++)
- {
- int s = RS_SB(i);
- int t = RT_SB(i);
- int r = s + t;
- GPR_SB(destreg,i) = r;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00100001000:MMI0:32::PADDH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
- {
- int s = RS_SH(i);
- int t = RT_SH(i);
- int r = s + t;
- GPR_SH(destreg,i) = r;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00000001000:MMI0:32::PADDW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < WORDS_IN_MMI_REGS; i++)
- {
- signed64 s = RS_SW(i);
- signed64 t = RT_SW(i);
- signed64 r = s + t;
- GPR_SW(destreg,i) = r;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,11000001000:MMI0:32::PADDSB
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < BYTES_IN_MMI_REGS; i++)
- {
- int s = RS_SB(i);
- int t = RT_SB(i);
- int r = s + t;
- if (r > 127)
- GPR_SB(destreg,i) = 127;
- else if (r < -128)
- GPR_SB(destreg,i) = -128;
- else
- GPR_SB(destreg,i) = r;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,10100001000:MMI0:32::PADDSH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
- {
- int s = RS_SH(i);
- int t = RT_SH(i);
- int r = s + t;
- if (r > 32767)
- GPR_SH(destreg,i) = 32767;
- else if (r < -32768)
- GPR_SH(destreg,i) = -32768;
- else
- GPR_SH(destreg,i) = r;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,10000001000:MMI0:32::PADDSW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < WORDS_IN_MMI_REGS; i++)
- {
- signed64 s = RS_SW(i);
- signed64 t = RT_SW(i);
- signed64 r = s + t;
- if (r > (int)0x7FFFFFFF)
- GPR_SW(destreg,i) = (int)0x7FFFFFFF;
- else if (r < (int)0x80000000)
- GPR_SW(destreg,i) = (int)0x80000000;
- else
- GPR_SW(destreg,i) = r;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,11000101000:MMI1:32::PADDUB
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < BYTES_IN_MMI_REGS; i++)
- {
- unsigned int s = RS_UB(i);
- unsigned int t = RT_UB(i);
- unsigned int r = s + t;
- if (r > 0xFF)
- GPR_UB(destreg,i) = 0xFF;
- else
- GPR_UB(destreg,i) = r;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,10100101000:MMI1:32::PADDUH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
- {
- unsigned int s = RS_UH(i);
- unsigned int t = RT_UH(i);
- unsigned int r = s + t;
- if (r > 0xFFFF)
- GPR_UH(destreg,i) = 0xFFFF;
- else
- GPR_UH(destreg,i) = r;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,10000101000:MMI1:32::PADDUW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < WORDS_IN_MMI_REGS; i++)
- {
- unsigned64 s = RS_UW(i);
- unsigned64 t = RT_UW(i);
- unsigned64 r = s + t;
- if (r > 0xFFFFFFFF)
- GPR_UW(destreg,i) = 0xFFFFFFFF;
- else
- GPR_UW(destreg,i) = r;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00100101000:MMI1:32::PADSBH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<HALFWORDS_IN_MMI_REGS/2;i++)
- GPR_SH(destreg,i) = RS_SH(i) - RT_SH(i);
- for(;i<HALFWORDS_IN_MMI_REGS;i++)
- GPR_SH(destreg,i) = RS_SH(i) + RT_SH(i);
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,10010001001:MMI2:32::PAND
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- GPR_UW(destreg,i) = (RS_UW(i) & RT_UW(i));
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,01010101000:MMI1:32::PCEQB
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<BYTES_IN_MMI_REGS;i++)
- {
- if (RS_SB(i) == RT_SB(i)) GPR_SB(destreg,i) = 0xFF;
- else GPR_SB(destreg,i) = 0;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00110101000:MMI1:32::PCEQH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
- {
- if (RS_SH(i) == RT_SH(i)) GPR_SH(destreg,i) = 0xFFFF;
- else GPR_SH(destreg,i) = 0;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00010101000:MMI1:32::PCEQW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- {
- if (RS_SW(i) == RT_SW(i)) GPR_SW(destreg,i) = 0xFFFFFFFF;
- else GPR_SW(destreg,i) = 0;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,01010001000:MMI0:32::PCGTB
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<BYTES_IN_MMI_REGS;i++)
- {
- if (RS_SB(i) > RT_SB(i)) GPR_SB(destreg,i) = 0xFF;
- else GPR_SB(destreg,i) = 0;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00110001000:MMI0:32::PCGTH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
- {
- if (RS_SH(i) > RT_SH(i)) GPR_SH(destreg,i) = 0xFFFF;
- else GPR_SH(destreg,i) = 0;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00010001000:MMI0:32::PCGTW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- {
- if (RS_SW(i) > RT_SW(i)) GPR_SW(destreg,i) = 0xFFFFFFFF;
- else GPR_SW(destreg,i) = 0;
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-01110000000,5.RT,5.RD,11011101001:MMI3:32::PCPYH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- GPR_UH(destreg,7) = GPR_UH(destreg,6) = GPR_UH(destreg,5) = GPR_UH(destreg,4) = RT_UH(4);
- GPR_UH(destreg,3) = GPR_UH(destreg,2) = GPR_UH(destreg,1) = GPR_UH(destreg,0) = RT_UH(0);
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,01110001001:MMI2:32::PCPYLD
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- GPR_UD(destreg,0) = RT_UD(0);
- GPR_UD(destreg,1) = RS_UD(0);
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,01110101001:MMI3:32::PCPYUD
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- GPR_UD(destreg,0) = RS_UD(1);
- GPR_UD(destreg,1) = RT_UD(1);
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,0000011101001001:MMI2:32::PDIVBW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- signed32 devisor = RT_SH(0);
- if (devisor == -1)
- {
- LO_SW(0) = -RS_SW(0);
- HI_SW(0) = 0;
- LO_SW(1) = -RS_SW(1);
- HI_SW(1) = 0;
- LO_SW(2) = -RS_SW(2);
- HI_SW(2) = 0;
- LO_SW(3) = -RS_SW(3);
- HI_SW(3) = 0;
- }
- else if (devisor != 0)
- {
- LO_SW(0) = RS_SW(0) / devisor;
- HI_SW(0) = SIGNEXTEND( (RS_SW(0) % devisor), 16 );
- LO_SW(1) = RS_SW(1) / devisor;
- HI_SW(1) = SIGNEXTEND( (RS_SW(1) % devisor), 16 );
- LO_SW(2) = RS_SW(2) / devisor;
- HI_SW(2) = SIGNEXTEND( (RS_SW(2) % devisor), 16 );
- LO_SW(3) = RS_SW(3) / devisor;
- HI_SW(3) = SIGNEXTEND( (RS_SW(3) % devisor), 16 );
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,0000001101101001:MMI3:32::PDIVUW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- if (RT_UW(0) != 0)
- {
- LO = (signed32)(RS_UW(0) / RT_UW(0));
- HI = (signed32)(RS_UW(0) % RT_UW(0));
- }
- if (RT_UW(2) != 0)
- {
- LO1 = (signed32)(RS_UW(2) / RT_UW(2));
- HI1 = (signed32)(RS_UW(2) % RT_UW(2));
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,0000001101001001:MMI2:32::PDIVW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- if (RT_SW(0) == -1)
- {
- LO = -RS_SW(0);
- HI = 0;
- }
- else if (RT_UW(0) != 0)
- {
- LO = (signed32)(RS_SW(0) / RT_SW(0));
- HI = (signed32)(RS_SW(0) % RT_SW(0));
- }
- if (RT_SW(2) == -1)
- {
- LO1 = -RS_SW(2);
- HI1 = 0;
- }
- else if (RT_UW(2) != 0)
- {
- LO1 = (signed32)(RS_SW(2) / RT_SW(2));
- HI1 = (signed32)(RS_SW(2) % RT_SW(2));
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-01110000000,5.RT,5.RD,11010101001:MMI3:32::PEXCH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- GPR_UH(destreg,0) = RT_UH(0);
- GPR_UH(destreg,1) = RT_UH(2);
- GPR_UH(destreg,2) = RT_UH(1);
- GPR_UH(destreg,3) = RT_UH(3);
- GPR_UH(destreg,4) = RT_UH(4);
- GPR_UH(destreg,5) = RT_UH(6);
- GPR_UH(destreg,6) = RT_UH(5);
- GPR_UH(destreg,7) = RT_UH(7);
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-01110000000,5.RT,5.RD,11110101001:MMI3:32::PEXCW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- GPR_UW(destreg,0) = RT_UW(0);
- GPR_UW(destreg,1) = RT_UW(2);
- GPR_UW(destreg,2) = RT_UW(1);
- GPR_UW(destreg,3) = RT_UW(3);
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-01110000000,5.RT,5.RD,11010001001:MMI2:32::PEXOH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- GPR_UH(destreg,0) = RT_UH(2);
- GPR_UH(destreg,1) = RT_UH(1);
- GPR_UH(destreg,2) = RT_UH(0);
- GPR_UH(destreg,3) = RT_UH(3);
- GPR_UH(destreg,4) = RT_UH(6);
- GPR_UH(destreg,5) = RT_UH(5);
- GPR_UH(destreg,6) = RT_UH(4);
- GPR_UH(destreg,7) = RT_UH(7);
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-01110000000,5.RT,5.RD,11110001001:MMI2:32::PEXOW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- GPR_UW(destreg,0) = RT_UW(2);
- GPR_UW(destreg,1) = RT_UW(1);
- GPR_UW(destreg,2) = RT_UW(0);
- GPR_UW(destreg,3) = RT_UW(3);
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-01110000000,5.RT,5.RD,11110001000:MMI0:32::PEXT5
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- {
- unsigned32 x = RT_UW(i);
- GPR_UW(destreg,i) = ((x & (1 << 15)) << (31 - 15))
- | ((x & (31 << 10)) << (19 - 10))
- | ((x & (31 << 5)) << (11 - 5))
- | ((x & (31 << 0)) << (3 - 0));
- }
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,11010001000:MMI0:32::PEXTLB
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- GPR_UB(destreg,0) = RT_UB(0);
- GPR_UB(destreg,1) = RS_UB(0);
- GPR_UB(destreg,2) = RT_UB(1);
- GPR_UB(destreg,3) = RS_UB(1);
- GPR_UB(destreg,4) = RT_UB(2);
- GPR_UB(destreg,5) = RS_UB(2);
- GPR_UB(destreg,6) = RT_UB(3);
- GPR_UB(destreg,7) = RS_UB(3);
- GPR_UB(destreg,8) = RT_UB(4);
- GPR_UB(destreg,9) = RS_UB(4);
- GPR_UB(destreg,10) = RT_UB(5);
- GPR_UB(destreg,11) = RS_UB(5);
- GPR_UB(destreg,12) = RT_UB(6);
- GPR_UB(destreg,13) = RS_UB(6);
- GPR_UB(destreg,14) = RT_UB(7);
- GPR_UB(destreg,15) = RS_UB(7);
- }
-}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,10110001000:MMI0:32::PEXTLH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- GPR_UH(destreg,0) = RT_UH(0);
- GPR_UH(destreg,1) = RS_UH(0);
- GPR_UH(destreg,2) = RT_UH(1);
- GPR_UH(destreg,3) = RS_UH(1);
- GPR_UH(destreg,4) = RT_UH(2);
- GPR_UH(destreg,5) = RS_UH(2);
- GPR_UH(destreg,6) = RT_UH(3);
- GPR_UH(destreg,7) = RS_UH(3);
- }
+ { /* control from */
+ if (FS == 0)
+ PENDING_FILL(RT,SIGNEXTEND(FCR0,32));
+ else if (FS == 31)
+ PENDING_FILL(RT,SIGNEXTEND(FCR31,32));
+ /* else NOP */
+ }
}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,10010001000:MMI0:32::PEXTLW
-*r5900:
+010001,00,X,10,5.RT,5.FS,00000000000:COP1Sb:32::CxC1
+"c%s<X>c1 r<RT>, f<FS>"
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- GPR_UW(destreg,0) = RT_UW(0);
- GPR_UW(destreg,1) = RS_UW(0);
- GPR_UW(destreg,2) = RT_UW(1);
- GPR_UW(destreg,3) = RS_UW(1);
- }
+ if (X)
+ {
+ /* control to */
+ TRACE_ALU_INPUT1 (GPR[RT]);
+ if (FS == 0)
+ {
+ FCR0 = VL4_8(GPR[RT]);
+ TRACE_ALU_RESULT (FCR0);
+ }
+ else if (FS == 31)
+ {
+ FCR31 = VL4_8(GPR[RT]);
+ SETFCC(0,((FCR31 & (1 << 23)) ? 1 : 0));
+ TRACE_ALU_RESULT (FCR31);
+ }
+ else
+ {
+ TRACE_ALU_RESULT0 ();
+ }
+ /* else NOP */
+ }
+ else
+ { /* control from */
+ if (FS == 0)
+ {
+ TRACE_ALU_INPUT1 (FCR0);
+ GPR[RT] = SIGNEXTEND (FCR0, 32);
+ }
+ else if (FS == 31)
+ {
+ TRACE_ALU_INPUT1 (FCR31);
+ GPR[RT] = SIGNEXTEND (FCR31, 32);
+ }
+ TRACE_ALU_RESULT (GPR[RT]);
+ /* else NOP */
+ }
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,11010101000:MMI1:32::PEXTUB
-*r5900:
+//
+// FIXME: Does not correctly differentiate between mips*
+//
+010001,10,3.FMT,00000,5.FS,5.FD,100001:COP1:32::CVT.D.fmt
+"cvt.d.%s<FMT> f<FD>, f<FS>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_UB(destreg,0) = RT_UB(8);
- GPR_UB(destreg,1) = RS_UB(8);
- GPR_UB(destreg,2) = RT_UB(9);
- GPR_UB(destreg,3) = RS_UB(9);
- GPR_UB(destreg,4) = RT_UB(10);
- GPR_UB(destreg,5) = RS_UB(10);
- GPR_UB(destreg,6) = RT_UB(11);
- GPR_UB(destreg,7) = RS_UB(11);
- GPR_UB(destreg,8) = RT_UB(12);
- GPR_UB(destreg,9) = RS_UB(12);
- GPR_UB(destreg,10) = RT_UB(13);
- GPR_UB(destreg,11) = RS_UB(13);
- GPR_UB(destreg,12) = RT_UB(14);
- GPR_UB(destreg,13) = RS_UB(14);
- GPR_UB(destreg,14) = RT_UB(15);
- GPR_UB(destreg,15) = RS_UB(15);
+ if ((format == fmt_double) | 0)
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_double,Convert(GETRM(),ValueFPR(fs,format),format,fmt_double));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10110101000:MMI1:32::PEXTUH
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,100101:COP1:64::CVT.L.fmt
+"cvt.l.%s<FMT> f<FD>, f<FS>"
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_UH(destreg,0) = RT_UH(4);
- GPR_UH(destreg,1) = RS_UH(4);
- GPR_UH(destreg,2) = RT_UH(5);
- GPR_UH(destreg,3) = RS_UH(5);
- GPR_UH(destreg,4) = RT_UH(6);
- GPR_UH(destreg,5) = RS_UH(6);
- GPR_UH(destreg,6) = RT_UH(7);
- GPR_UH(destreg,7) = RS_UH(7);
+ if ((format == fmt_long) | ((format == fmt_long) || (format == fmt_word)))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_long,Convert(GETRM(),ValueFPR(fs,format),format,fmt_long));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10010101000:MMI1:32::PEXTUW
-*r5900:
+//
+// FIXME: Does not correctly differentiate between mips*
+//
+010001,10,3.FMT,00000,5.FS,5.FD,100000:COP1:32::CVT.S.fmt
+"cvt.s.%s<FMT> f<FD>, f<FS>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_UW(destreg,0) = RT_UW(2);
- GPR_UW(destreg,1) = RS_UW(2);
- GPR_UW(destreg,2) = RT_UW(3);
- GPR_UW(destreg,3) = RS_UW(3);
+ if ((format == fmt_single) | 0)
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_single,Convert(GETRM(),ValueFPR(fs,format),format,fmt_single));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10001001001:MMI2:32::PHMADDH
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,100100:COP1:32::CVT.W.fmt
+"cvt.w.%s<FMT> f<FD>, f<FS>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_SW(destreg,0) = LO_SW(0) = (RS_SH(1) * RT_SH(1)) + (RS_SH(0) * RT_SH(0));
- GPR_SW(destreg,1) = HI_SW(0) = (RS_SH(3) * RT_SH(3)) + (RS_SH(2) * RT_SH(2));
- GPR_SW(destreg,2) = LO_SW(2) = (RS_SH(5) * RT_SH(5)) + (RS_SH(4) * RT_SH(4));
- GPR_SW(destreg,3) = HI_SW(2) = (RS_SH(7) * RT_SH(7)) + (RS_SH(6) * RT_SH(6));
+ if ((format == fmt_word) | ((format == fmt_long) || (format == fmt_word)))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_word,Convert(GETRM(),ValueFPR(fs,format),format,fmt_word));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10101001001:MMI2:32::PHMSUBH
-*r5900:
+010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32::DIV.fmt
+"div.%s<FMT> f<FD>, f<FS>, f<FT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_SW(destreg,0) = LO_SW(0) = (RS_SH(1) * RT_SH(1)) - (RS_SH(0) * RT_SH(0));
- GPR_SW(destreg,1) = HI_SW(0) = (RS_SH(3) * RT_SH(3)) - (RS_SH(2) * RT_SH(2));
- GPR_SW(destreg,2) = LO_SW(2) = (RS_SH(5) * RT_SH(5)) - (RS_SH(4) * RT_SH(4));
- GPR_SW(destreg,3) = HI_SW(2) = (RS_SH(7) * RT_SH(7)) - (RS_SH(6) * RT_SH(6));
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,format,Divide(ValueFPR(fs,format),ValueFPR(ft,format),format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,01010001001:MMI2:32::PINTH
-*r5900:
+// DMFC1
+// DMTC1
+010001,00,X,01,5.RT,5.FS,00000000000:COP1Sa:64::DMxC1
+"dm%s<X>c1 r<RT>, f<FS>"
+*mipsIII:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- GPR_UH(destreg,0) = RT_UH(0);
- GPR_UH(destreg,1) = RS_UH(4);
- GPR_UH(destreg,2) = RT_UH(1);
- GPR_UH(destreg,3) = RS_UH(5);
- GPR_UH(destreg,4) = RT_UH(2);
- GPR_UH(destreg,5) = RS_UH(6);
- GPR_UH(destreg,6) = RT_UH(3);
- GPR_UH(destreg,7) = RS_UH(7);
- }
+ if (X)
+ {
+ if (SizeFGR() == 64)
+ PENDING_FILL((FS + FGRIDX),GPR[RT]);
+ else if ((FS & 0x1) == 0)
+ {
+ PENDING_FILL(((FS + 1) + FGRIDX),VH4_8(GPR[RT]));
+ PENDING_FILL((FS + FGRIDX),VL4_8(GPR[RT]));
+ }
+ }
+ else
+ {
+ if (SizeFGR() == 64)
+ PENDING_FILL(RT,FGR[FS]);
+ else if ((FS & 0x1) == 0)
+ PENDING_FILL(RT,(SET64HI(FGR[FS+1]) | FGR[FS]));
+ else
+ PENDING_FILL(RT,SET64HI(0xDEADC0DE) | 0xBAD0BAD0);
+ }
}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,01010101001:MMI3:32::PINTOH
-*r5900:
+010001,00,X,01,5.RT,5.FS,00000000000:COP1Sb:64::DMxC1
+"dm%s<X>c1 r<RT>, f<FS>"
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- GPR_UH(destreg,0) = RT_UH(0);
- GPR_UH(destreg,1) = RS_UH(0);
- GPR_UH(destreg,2) = RT_UH(2);
- GPR_UH(destreg,3) = RS_UH(2);
- GPR_UH(destreg,4) = RT_UH(4);
- GPR_UH(destreg,5) = RS_UH(4);
- GPR_UH(destreg,6) = RT_UH(6);
- GPR_UH(destreg,7) = RS_UH(6);
- }
+ if (X)
+ {
+ if (SizeFGR() == 64)
+ StoreFPR (FS, fmt_uninterpreted_64, GPR[RT]);
+ else if ((FS & 0x1) == 0)
+ StoreFPR (FS, fmt_uninterpreted_64, SET64HI (FGR[FS+1]) | FGR[FS]);
+ }
+ else
+ {
+ if (SizeFGR() == 64)
+ GPR[RT] = FGR[FS];
+ else if ((FS & 0x1) == 0)
+ GPR[RT] = SET64HI (FGR[FS+1]) | FGR[FS];
+ else
+ GPR[RT] = SET64HI (0xDEADC0DE) | 0xBAD0BAD0;
+ }
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,00000,5.RD,00000000100:MMINORM:32::PLZCW
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,001011:COP1:64::FLOOR.L.fmt
+"floor.l.%s<FMT> f<FD>, f<FS>"
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- unsigned long value;
- int test;
- int count;
- int i;
- value = RS_UW(0);
- count = 0;
- test = !!(value & (1 << 31));
- for(i=30; i>=0 && (test == !!(value & (1 << i))); i--)
- count++;
- GPR_UW(destreg,0) = count;
- value = RS_UW(1);
- count = 0;
- test = !!(value & (1 << 31));
- for(i=30; i>=0 && (test == !!(value & (1 << i))); i--)
- count++;
- GPR_UW(destreg,1) = count;
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_long,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_long));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10000001001:MMI2:32::PMADDH
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,001111:COP1:32::FLOOR.W.fmt
+"floor.w.%s<FMT> f<FD>, f<FS>"
+*mipsII:
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_SW(destreg,0) = LO_SW(0) += (RS_SH(0) * RT_SH(0));
- LO_SW(1) += (RS_SH(1) * RT_SH(1));
- GPR_SW(destreg,1) = HI_SW(0) += (RS_SH(2) * RT_SH(2));
- HI_SW(1) += (RS_SH(3) * RT_SH(3));
- GPR_SW(destreg,2) = LO_SW(2) += (RS_SH(4) * RT_SH(4));
- LO_SW(3) += (RS_SH(5) * RT_SH(5));
- GPR_SW(destreg,3) = HI_SW(2) += (RS_SH(6) * RT_SH(6));
- HI_SW(3) += (RS_SH(7) * RT_SH(7));
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_word,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_word));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,00000101001:MMI3:32::PMADDUW
-*r5900:
+110101,5.BASE,5.FT,16.OFFSET:COP1:64::LDC1
+"ldc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsII:
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 sum0 = UNSIGNED64( HI_SW(0), LO_SW(0) );
- unsigned64 sum1 = UNSIGNED64( HI_SW(2), LO_SW(2) );
- unsigned64 prod0 = (unsigned64)RS_UW(0) * (unsigned64)RT_UW(0);
- unsigned64 prod1 = (unsigned64)RS_UW(2) * (unsigned64)RT_UW(2);
- sum0 += prod0;
- sum1 += prod1;
- GPR_UD(destreg,0) = sum0;
- GPR_UD(destreg,1) = sum1;
- LO = SIGNEXTEND( sum0, 32 );
- HI = SIGNEXTEND( VH4_8(sum0), 32 );
- LO1 = SIGNEXTEND( sum1, 32 );
- HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
- }
+ COP_LD (1, FT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,00000001001:MMI2:32::PMADDW
-*r5900:
+010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64::LDXC1
+"ldxc1 f<FD>, r<INDEX>(r<BASE>)"
+*mipsIV:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- signed64 sum0 = WORD64( HI_SW(0), LO_SW(0) );
- signed64 sum1 = WORD64( HI_SW(2), LO_SW(2) );
- signed64 prod0 = (signed64)RS_SW(0) * (signed64)RT_SW(0);
- signed64 prod1 = (signed64)RS_SW(2) * (signed64)RT_SW(2);
- sum0 += prod0;
- sum1 += prod1;
- GPR_SD(destreg,0) = sum0;
- GPR_SD(destreg,1) = sum1;
- LO = SIGNEXTEND( sum0, 32 );
- HI = SIGNEXTEND( VH4_8(sum0), 32 );
- LO1 = SIGNEXTEND( sum1, 32 );
- HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
- }
+ COP_LD (1, FD, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX]));
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00111001000:MMI0:32::PMAXH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
- {
- if (RS_SH(i) > RT_SH(i)) GPR_SH(destreg,i) = RS_SH(i);
- else GPR_SH(destreg,i) = RT_SH(i);
- }
- }
-}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,00011001000:MMI0:32::PMAXW
-*r5900:
+110001,5.BASE,5.FT,16.OFFSET:COP1:32::LWC1
+"lwc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- {
- if (RS_SW(i) > RT_SW(i)) GPR_SW(destreg,i) = RS_SW(i);
- else GPR_SW(destreg,i) = RT_SW(i);
- }
- }
+ COP_LW (1, FT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-0111000000000000,5.RD,01000001001:MMI2:32::PMFHI
-*r5900:
+010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:32::LWXC1
+"lwxc1 f<FD>, r<INDEX>(r<BASE>)"
+*mipsIV:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- {
- GPR_SD(destreg,0) = HI;
- GPR_SD(destreg,1) = HI1;
- }
+ COP_LW (1, FD, do_load (SD_, AccessLength_WORD, GPR[BASE], GPR[INDEX]));
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-0111000000000000,5.RD,01001001001:MMI2:32::PMFLO
-*r5900:
+
+//
+// FIXME: Not correct for mips*
+//
+010011,5.FR,5.FT,5.FS,5.FD,100,001:COP1X:32,f::MADD.D
+"madd.d f<FD>, f<FR>, f<FS>, f<FT>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int fr = ((instruction >> 21) & 0x0000001F);
{
- GPR_SD(destreg,0) = LO;
- GPR_SD(destreg,1) = LO1;
+ StoreFPR(destreg,fmt_double,Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-0111000000000000,5.RD,5.SA,110000:MMINORM:32::PMFHL
-*r5900:
+010011,5.FR,5.FT,5.FS,5.FD,100,000:COP1X:32,f::MADD.S
+"madd.s f<FD>, f<FR>, f<FS>, f<FT>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int op1 UNUSED = ((instruction >> 6) & 0x0000001F);
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int fr = ((instruction >> 21) & 0x0000001F);
{
- if (op1 == 0)
- {
- GPR_UW(destreg,0) = LO_UW(0);
- GPR_UW(destreg,1) = HI_UW(0);
- GPR_UW(destreg,2) = LO_UW(2);
- GPR_UW(destreg,3) = HI_UW(2);
- }
- else if (op1 == 1)
- {
- GPR_UW(destreg,0) = LO_UW(1);
- GPR_UW(destreg,1) = HI_UW(1);
- GPR_UW(destreg,2) = LO_UW(3);
- GPR_UW(destreg,3) = HI_UW(3);
- }
- else if (op1 == 2)
- {
- /* NOTE: This code implements a saturate according to the
- figure on page B-115 and not according to the
- definition on page B-113 */
- signed64 t = ((unsigned64)HI_UW(0) << 32) | (unsigned64)LO_UW(0);
- signed64 u = ((unsigned64)HI_UW(2) << 32) | (unsigned64)LO_UW(2);
- if ( t > SIGNED64 (0x000000007FFFFFFF) )
- GPR_SD(destreg,0) = SIGNED64 (0x000000007FFFFFFF);
- else if ( t < - SIGNED64 (0x0000000080000000) )
- GPR_SD(destreg,0) = - SIGNED64 (0x0000000080000000);
- else
- GPR_SD(destreg,0) = t;
- if ( u > SIGNED64 (0x000000007FFFFFFF) )
- GPR_SD(destreg,1) = SIGNED64 (0x000000007FFFFFFF);
- else if ( u < - SIGNED64 (0x0000000080000000) )
- GPR_SD(destreg,1) = - SIGNED64 (0x0000000080000000);
- else
- GPR_SD(destreg,1) = u;
- }
- else if (op1 == 3)
- {
- GPR_UH(destreg,0) = LO_UH(0);
- GPR_UH(destreg,1) = LO_UH(2);
- GPR_UH(destreg,2) = HI_UH(0);
- GPR_UH(destreg,3) = HI_UH(2);
- GPR_UH(destreg,4) = LO_UH(4);
- GPR_UH(destreg,5) = LO_UH(6);
- GPR_UH(destreg,6) = HI_UH(4);
- GPR_UH(destreg,7) = HI_UH(6);
- }
- else if (op1 == 4)
- {
- if (LO_SW(0) > 0x7FFF)
- GPR_UH(destreg,0) = 0x7FFF;
- else if (LO_SW(0) < -0x8000)
- GPR_UH(destreg,0) = 0x8000;
- else
- GPR_UH(destreg,0) = LO_UH(0);
- if (LO_SW(1) > 0x7FFF)
- GPR_UH(destreg,1) = 0x7FFF;
- else if (LO_SW(1) < -0x8000)
- GPR_UH(destreg,1) = 0x8000;
- else
- GPR_UH(destreg,1) = LO_UH(2);
- if (HI_SW(0) > 0x7FFF)
- GPR_UH(destreg,2) = 0x7FFF;
- else if (HI_SW(0) < -0x8000)
- GPR_UH(destreg,2) = 0x8000;
- else
- GPR_UH(destreg,2) = HI_UH(0);
- if (HI_SW(1) > 0x7FFF)
- GPR_UH(destreg,3) = 0x7FFF;
- else if (HI_SW(1) < -0x8000)
- GPR_UH(destreg,3) = 0x8000;
- else
- GPR_UH(destreg,3) = HI_UH(2);
- if (LO_SW(2) > 0x7FFF)
- GPR_UH(destreg,4) = 0x7FFF;
- else if (LO_SW(2) < -0x8000)
- GPR_UH(destreg,4) = 0x8000;
- else
- GPR_UH(destreg,4) = LO_UH(4);
- if (LO_SW(3) > 0x7FFF)
- GPR_UH(destreg,5) = 0x7FFF;
- else if (LO_SW(3) < -0x8000)
- GPR_UH(destreg,5) = 0x8000;
- else
- GPR_UH(destreg,5) = LO_UH(6);
- if (HI_SW(2) > 0x7FFF)
- GPR_UH(destreg,6) = 0x7FFF;
- else if (HI_SW(2) < -0x8000)
- GPR_UH(destreg,6) = 0x8000;
- else
- GPR_UH(destreg,6) = HI_UH(4);
- if (HI_SW(3) > 0x7FFF)
- GPR_UH(destreg,7) = 0x7FFF;
- else if (HI_SW(3) < -0x8000)
- GPR_UH(destreg,7) = 0x8000;
- else
- GPR_UH(destreg,7) = HI_UH(6);
- }
+ StoreFPR(destreg,fmt_single,Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,00111101000:MMI1:32::PMINH
-*r5900:
+// MFC1
+// MTC1
+010001,00,X,00,5.RT,5.FS,00000000000:COP1Sa:32::MxC1
+"m%s<X>c1 r<RT>, f<FS>"
+*mipsI:
+*mipsII:
+*mipsIII:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
- {
- if (RS_SH(i) < RT_SH(i)) GPR_SH(destreg,i) = RS_SH(i);
- else GPR_SH(destreg,i) = RT_SH(i);
- }
- }
+ if (X)
+ { /*MTC1*/
+ if (SizeFGR() == 64)
+ PENDING_FILL ((FS + FGRIDX), (SET64HI(0xDEADC0DE) | VL4_8(GPR[RT])));
+ else
+ PENDING_FILL ((FS + FGRIDX), VL4_8(GPR[RT]));
+ }
+ else /*MFC1*/
+ PENDING_FILL (RT, SIGNEXTEND(FGR[FS],32));
}
-
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00011101000:MMI1:32::PMINW
-*r5900:
+010001,00,X,00,5.RT,5.FS,00000000000:COP1Sb:32::MxC1
+"m%s<X>c1 r<RT>, f<FS>"
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- {
- if (RS_SW(i) < RT_SW(i)) GPR_SW(destreg,i) = RS_SW(i);
- else GPR_SW(destreg,i) = RT_SW(i);
- }
- }
+ int fs = FS;
+ if (X)
+ /*MTC1*/
+ StoreFPR (FS, fmt_uninterpreted_32, VL4_8 (GPR[RT]));
+ else /*MFC1*/
+ GPR[RT] = SIGNEXTEND(FGR[FS],32);
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10100001001:MMI2:32::PMSUBH
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32::MOV.fmt
+"mov.%s<FMT> f<FD>, f<FS>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_SW(destreg,0) = LO_SW(0) -= (RS_SH(0) * RT_SH(0));
- LO_SW(1) -= (RS_SH(1) * RT_SH(1));
- GPR_SW(destreg,1) = HI_SW(0) -= (RS_SH(2) * RT_SH(2));
- HI_SW(1) -= (RS_SH(3) * RT_SH(3));
- GPR_SW(destreg,2) = LO_SW(2) -= (RS_SH(4) * RT_SH(4));
- LO_SW(3) -= (RS_SH(5) * RT_SH(5));
- GPR_SW(destreg,3) = HI_SW(2) -= (RS_SH(6) * RT_SH(6));
- HI_SW(3) -= (RS_SH(7) * RT_SH(7));
+ StoreFPR(destreg,format,ValueFPR(fs,format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,00100001001:MMI2:32::PMSUBW
-*r5900:
+// MOVF
+000000,5.RS,3.CC,0,1.TF,5.RD,00000000001:SPECIAL:32::MOVtf
+"mov%s<TF> r<RD>, r<RS>, <CC>"
+*mipsIV:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- signed64 sum0 = WORD64( HI_SW(0), LO_SW(0) );
- signed64 sum1 = WORD64( HI_SW(2), LO_SW(2) );
- signed64 prod0 = (signed64)RS_SW(0) * (signed64)RT_SW(0);
- signed64 prod1 = (signed64)RS_SW(2) * (signed64)RT_SW(2);
- sum0 -= prod0;
- sum1 -= prod1;
- GPR_SD(destreg,0) = sum0;
- GPR_SD(destreg,1) = sum1;
- LO = SIGNEXTEND( sum0, 32 );
- HI = SIGNEXTEND( VH4_8(sum0), 32 );
- LO1 = SIGNEXTEND( sum1, 32 );
- HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
- }
+ if (GETFCC(CC) == TF)
+ GPR[RD] = GPR[RS];
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,000000000001000101001:MMI3:32::PMTHI
-*r5900:
+// MOVF.fmt
+010001,10,3.FMT,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32::MOVtf.fmt
+"mov%s<TF>.%s<FMT> f<FD>, f<FS>, <CC>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int format = ((instruction >> 21) & 0x00000007);
{
- HI = RS_SD(0);
- HI1 = RS_SD(1);
+ if (GETFCC(CC) == TF)
+ StoreFPR (FD, format, ValueFPR (FS, format));
+ else
+ StoreFPR (FD, format, ValueFPR (FD, format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,000000000001001101001:MMI3:32::PMTLO
-*r5900:
+010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32::MOVN.fmt
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- LO = RS_SD(0);
- LO1 = RS_SD(1);
+ StoreFPR(destreg,format,ValueFPR(fs,format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,000000000000000110001:MMINORM:32::PMTHL.LW
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- LO_UW(0) = RS_UW(0);
- HI_UW(0) = RS_UW(1);
- LO_UW(2) = RS_UW(2);
- HI_UW(2) = RS_UW(3);
- }
-}
+// MOVT see MOVtf
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,11100001001:MMI2:32::PMULTH
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- GPR_SW(destreg,0) = LO_SW(0) = (RS_SH(0) * RT_SH(0));
- LO_SW(1) = (RS_SH(1) * RT_SH(1));
- GPR_SW(destreg,1) = HI_SW(0) = (RS_SH(2) * RT_SH(2));
- HI_SW(1) = (RS_SH(3) * RT_SH(3));
- GPR_SW(destreg,2) = LO_SW(2) = (RS_SH(4) * RT_SH(4));
- LO_SW(3) = (RS_SH(5) * RT_SH(5));
- GPR_SW(destreg,3) = HI_SW(2) = (RS_SH(6) * RT_SH(6));
- HI_SW(3) = (RS_SH(7) * RT_SH(7));
- }
-}
+// MOVT.fmt see MOVtf.fmt
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,01100101001:MMI3:32::PMULTUW
-*r5900:
+
+010001,10,3.FMT,5.RT,5.FS,5.FD,010010:COP1:32::MOVZ.fmt
+"movz.%s<FMT> f<FD>, f<FS>, r<RT>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- unsigned64 sum0 = 0;
- unsigned64 sum1 = 0;
- unsigned64 prod0 = (unsigned64)RS_UW(0) * (unsigned64)RT_UW(0);
- unsigned64 prod1 = (unsigned64)RS_UW(2) * (unsigned64)RT_UW(2);
- sum0 = prod0;
- sum1 = prod1;
- GPR_UD(destreg,0) = sum0;
- GPR_UD(destreg,1) = sum1;
- LO = SIGNEXTEND( sum0, 32 );
- HI = SIGNEXTEND( VH4_8(sum0), 32 );
- LO1 = SIGNEXTEND( sum1, 32 );
- HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
+ StoreFPR(destreg,format,ValueFPR(fs,format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,01100001001:MMI2:32::PMULTW
-*r5900:
+// MSUB.fmt
+010011,5.FR,5.FT,5.FS,5.FD,101,001:COP1X:32::MSUB.D
+"msub.d f<FD>, f<FR>, f<FS>, f<FT>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int fr = ((instruction >> 21) & 0x0000001F);
{
- signed64 sum0 = 0;
- signed64 sum1 = 0;
- signed64 prod0 = (signed64)RS_SW(0) * (signed64)RT_SW(0);
- signed64 prod1 = (signed64)RS_SW(2) * (signed64)RT_SW(2);
- sum0 = prod0;
- sum1 = prod1;
- GPR_SD(destreg,0) = sum0;
- GPR_SD(destreg,1) = sum1;
- LO = SIGNEXTEND( sum0, 32 );
- HI = SIGNEXTEND( VH4_8(sum0), 32 );
- LO1 = SIGNEXTEND( sum1, 32 );
- HI1 = SIGNEXTEND( VH4_8(sum1), 32 );
+ StoreFPR(destreg,fmt_double,Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10011101001:MMI3:32::PNOR
-*r5900:
+// MSUB.fmt
+010011,5.FR,5.FT,5.FS,5.FD,101000:COP1X:32::MSUB.S
+"msub.s f<FD>, f<FR>, f<FS>, f<FT>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int fr = ((instruction >> 21) & 0x0000001F);
{
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- GPR_UW(destreg,i) = ~(RS_UW(i) | RT_UW(i));
+ StoreFPR(destreg,fmt_single,Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10010101001:MMI3:32::POR
-*r5900:
-{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- GPR_UW(destreg,i) = (RS_UW(i) | RT_UW(i));
- }
-}
+// MTC1 see MxC1
-// end-sanitize-r5900
-// start-sanitize-r5900
-01110000000,5.RT,5.RD,11111001000:MMI0:32::PPAC5
-*r5900:
+010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32::MUL.fmt
+"mul.%s<FMT> f<FD>, f<FS>, f<FT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- {
- unsigned32 x = RT_UW(i);
- GPR_UW(destreg,i) = ((x & (1 << 31)) >> (31 - 15))
- | ((x & (31 << 19)) >> (19 - 10))
- | ((x & (31 << 11)) >> (11 - 5))
- | ((x & (31 << 3)) >> (3 - 0));
- }
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,format,Multiply(ValueFPR(fs,format),ValueFPR(ft,format),format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,11011001000:MMI0:32::PPACB
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32::NEG.fmt
+"neg.%s<FMT> f<FD>, f<FS>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_UB(destreg,0) = RT_UB(0);
- GPR_UB(destreg,1) = RT_UB(2);
- GPR_UB(destreg,2) = RT_UB(4);
- GPR_UB(destreg,3) = RT_UB(6);
- GPR_UB(destreg,4) = RT_UB(8);
- GPR_UB(destreg,5) = RT_UB(10);
- GPR_UB(destreg,6) = RT_UB(12);
- GPR_UB(destreg,7) = RT_UB(14);
- GPR_UB(destreg,8) = RS_UB(0);
- GPR_UB(destreg,9) = RS_UB(2);
- GPR_UB(destreg,10) = RS_UB(4);
- GPR_UB(destreg,11) = RS_UB(6);
- GPR_UB(destreg,12) = RS_UB(8);
- GPR_UB(destreg,13) = RS_UB(10);
- GPR_UB(destreg,14) = RS_UB(12);
- GPR_UB(destreg,15) = RS_UB(14);
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,format,Negate(ValueFPR(fs,format),format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10111001000:MMI0:32::PPACH
-*r5900:
+// NMADD.fmt
+010011,5.FR,5.FT,5.FS,5.FD,110001:COP1X:32::NMADD.D
+"nmadd.d f<FD>, f<FR>, f<FS>, f<FT>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int fr = ((instruction >> 21) & 0x0000001F);
{
- GPR_UH(destreg,0) = RT_UH(0);
- GPR_UH(destreg,1) = RT_UH(2);
- GPR_UH(destreg,2) = RT_UH(4);
- GPR_UH(destreg,3) = RT_UH(6);
- GPR_UH(destreg,4) = RS_UH(0);
- GPR_UH(destreg,5) = RS_UH(2);
- GPR_UH(destreg,6) = RS_UH(4);
- GPR_UH(destreg,7) = RS_UH(6);
+ StoreFPR(destreg,fmt_double,Negate(Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10011001000:MMI0:32::PPACW
-*r5900:
+// NMADD.fmt
+010011,5.FR,5.FT,5.FS,5.FD,110000:COP1X:32::NMADD.S
+"nmadd.s f<FD>, f<FR>, f<FS>, f<FT>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int fr = ((instruction >> 21) & 0x0000001F);
{
- GPR_UW(destreg,0) = RT_UW(0);
- GPR_UW(destreg,1) = RT_UW(2);
- GPR_UW(destreg,2) = RS_UW(0);
- GPR_UW(destreg,3) = RS_UW(2);
+ StoreFPR(destreg,fmt_single,Negate(Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-01110000000,5.RT,5.RD,11011001001:MMI2:32::PREVH
-*r5900:
+// NMSUB.fmt
+010011,5.FR,5.FT,5.FS,5.FD,111001:COP1X:32::NMSUB.D
+"nmsub.d f<FD>, f<FR>, f<FS>, f<FT>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int fr = ((instruction >> 21) & 0x0000001F);
{
- GPR_UH(destreg,0) = RT_UH(3);
- GPR_UH(destreg,1) = RT_UH(2);
- GPR_UH(destreg,2) = RT_UH(1);
- GPR_UH(destreg,3) = RT_UH(0);
- GPR_UH(destreg,4) = RT_UH(7);
- GPR_UH(destreg,5) = RT_UH(6);
- GPR_UH(destreg,6) = RT_UH(5);
- GPR_UH(destreg,7) = RT_UH(4);
+ StoreFPR(destreg,fmt_double,Negate(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-01110000000,5.RT,5.RD,11111001001:MMI2:32::PROT3W
-*r5900:
+// NMSUB.fmt
+010011,5.FR,5.FT,5.FS,5.FD,111000:COP1X:32::NMSUB.S
+"nmsub.s f<FD>, f<FR>, f<FS>, f<FT>"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int fr = ((instruction >> 21) & 0x0000001F);
{
- GPR_UW(destreg,0) = RT_UW(0);
- GPR_UW(destreg,1) = RT_UW(3);
- GPR_UW(destreg,2) = RT_UW(1);
- GPR_UW(destreg,3) = RT_UW(2);
+ StoreFPR(destreg,fmt_single,Negate(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-01110000000,5.RT,5.RD,5.SA,110100:MMINORM:32::PSLLH
-*r5900:
+010011,5.BASE,5.INDEX,5.HINT,00000001111:COP1X:32::PREFX
+"prefx <HINT>, r<INDEX>(r<BASE>)"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int op1 UNUSED = ((instruction >> 6) & 0x0000001F);
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
+ int fs = ((instruction >> 11) & 0x0000001F);
+ signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
+ signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
{
- int shift_by = op1 & (16-1);
- int i;
- for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
- GPR_UH(destreg,i) = (RT_UH(i) << shift_by);
+ address_word vaddr = ((unsigned64)op1 + (unsigned64)op2);
+ address_word paddr;
+ int uncached;
+ if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
+ Prefetch(uncached,paddr,vaddr,isDATA,fs);
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-
-011100,5.RS,5.RT,5.RD,00010001001:MMI2:32::PSLLVW
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,010101:COP1:32::RECIP.fmt
+*mipsIV:
+"recip.%s<FMT> f<FD>, f<FS>"
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- int s0 = (RS_UB(0) & 0x1F);
- int s1 = (RS_UB(8) & 0x1F);
- signed32 temp0 = RT_UW(0) << s0;
- signed32 temp1 = RT_UW(2) << s1;
- GPR_SD(destreg,0) = (signed64)temp0;
- GPR_SD(destreg,1) = (signed64)temp1;
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,format,Recip(ValueFPR(fs,format),format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-01110000000,5.RT,5.RD,5.SA,111100:MMINORM:32::PSLLW
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,001000:COP1:64::ROUND.L.fmt
+"round.l.%s<FMT> f<FD>, f<FS>"
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int op1 UNUSED = ((instruction >> 6) & 0x0000001F);
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- int shift_by = op1 & (32-1);
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- GPR_UW(destreg,i) = (RT_UW(i) << shift_by);
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_long,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_long));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-01110000000,5.RT,5.RD,5.SA,110111:MMINORM:32::PSRAH
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,001100:COP1:32::ROUND.W.fmt
+"round.w.%s<FMT> f<FD>, f<FS>"
+*mipsII:
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int op1 UNUSED = ((instruction >> 6) & 0x0000001F);
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- int shift_by = op1 & (16-1);
- int i;
- for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
- GPR_SH(destreg,i) = SIGNEXTEND( (RT_SH(i) >> shift_by), (16-shift_by) );
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_word,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_word));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,00011101001:MMI3:32::PSRAVW
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,010110:COP1:32::RSQRT.fmt
+*mipsIV:
+"rsqrt.%s<FMT> f<FD>, f<FS>"
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_SD(destreg,0) = SIGNEXTEND( (RT_SW (0) >> (RS_UB(0) & 0x1F)), 32-(RS_UB(0) & 0x1F) );
- GPR_SD(destreg,1) = SIGNEXTEND( (RT_SW (2) >> (RS_UB(8) & 0x1F)), 32-(RS_UB(8) & 0x1F) );
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,format,Recip(SquareRoot(ValueFPR(fs,format),format),format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-01110000000,5.RT,5.RD,5.SA,111111:MMINORM:32::PSRAW
-*r5900:
+111101,5.BASE,5.FT,16.OFFSET:COP1:64::SDC1
+"sdc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsII:
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int op1 UNUSED = ((instruction >> 6) & 0x0000001F);
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- int shift_by = op1 & (32-1);
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- GPR_SW(destreg,i) = SIGNEXTEND( (RT_SW(i) >> shift_by), (32-shift_by) );
- }
+ do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (1, FT));
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-01110000000,5.RT,5.RD,5.SA,110110:MMINORM:32::PSRLH
-*r5900:
+010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:64::SDXC1
+"ldxc1 f<FS>, r<INDEX>(r<BASE>)"
+*mipsIV:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int op1 UNUSED = ((instruction >> 6) & 0x0000001F);
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- {
- int shift_by = op1 & (16-1);
- int i;
- for(i=0;i<HALFWORDS_IN_MMI_REGS;i++)
- GPR_UH(destreg,i) = (RT_UH(i) >> shift_by);
- }
+ do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX], COP_SD (1, FS));
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,00011001001:MMI2:32::PSRLVW
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,000100:COP1:32::SQRT.fmt
+"sqrt.%s<FMT> f<FD>, f<FS>"
+*mipsII:
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- GPR_UD(destreg,0) = SIGNEXTEND ( RT_UW(0) >> (RS_UB(0) & 0x1F), 31);
- GPR_UD(destreg,1) = SIGNEXTEND ( RT_UW(2) >> (RS_UB(8) & 0x1F), 31);
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,format,(SquareRoot(ValueFPR(fs,format),format)));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-01110000000,5.RT,5.RD,5.SA,111110:MMINORM:32::PSRLW
-*r5900:
+010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32::SUB.fmt
+"sub.%s<FMT> f<FD>, f<FS>, f<FT>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int op1 UNUSED = ((instruction >> 6) & 0x0000001F);
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int ft = ((instruction >> 16) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- int shift_by = op1 & (32-1);
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- GPR_UW(destreg,i) = (RT_UW(i) >> shift_by);
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,format,Sub(ValueFPR(fs,format),ValueFPR(ft,format),format));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,01001001000:MMI0:32::PSUBB
-*r5900:
+
+111001,5.BASE,5.FT,16.OFFSET:COP1:32::SWC1
+"swc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ signed_word offset = EXTEND16 (OFFSET);
+ int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
+ signed_word op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
{
- int i;
- for (i=0; i < BYTES_IN_MMI_REGS; i++)
+ address_word vaddr = ((uword64)op1 + offset);
+ address_word paddr;
+ int uncached;
+ if ((vaddr & 3) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, AccessLength_WORD+1, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
+ else
{
- int s = RS_SB(i);
- int t = RT_SB(i);
- int r = s - t;
- GPR_SB(destreg,i) = r;
+ if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
+ {
+ uword64 memval = 0;
+ uword64 memval1 = 0;
+ uword64 mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ?(mask ^ AccessLength_WORD): 0);
+ address_word bigendiancpu = (BigEndianCPU ?(mask ^ AccessLength_WORD): 0);
+ unsigned int byte;
+ paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
+ byte = ((vaddr & mask) ^ bigendiancpu);
+ memval = (((uword64)COP_SW(((instruction >> 26) & 0x3),destreg)) << (8 * byte));
+ StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
+ }
}
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,00101001000:MMI0:32::PSUBH
-*r5900:
+010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32::SWXC1
+"swxc1 f<FS>, r<INDEX>(r<BASE>)"
+*mipsIV:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int fs = ((instruction >> 11) & 0x0000001F);
+ signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
+ signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
{
- int i;
- for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
+ address_word vaddr = ((unsigned64)op1 + op2);
+ address_word paddr;
+ int uncached;
+ if ((vaddr & 3) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
+ else
+ {
+ if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
+ {
+ unsigned64 memval = 0;
+ unsigned64 memval1 = 0;
+ unsigned64 mask = 0x7;
+ unsigned int byte;
+ paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
+ byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
+ memval = (((unsigned64)COP_SW(1,fs)) << (8 * byte));
{
- int s = RS_SH(i);
- int t = RT_SH(i);
- int r = s - t;
- GPR_SH(destreg,i) = r;
+ StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
}
+ }
+ }
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,11001001000:MMI0:32::PSUBSB
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,001001:COP1:64::TRUNC.L.fmt
+"trunc.l.%s<FMT> f<FD>, f<FS>"
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- int i;
- for (i=0; i < BYTES_IN_MMI_REGS; i++)
- {
- int s = RS_SB(i);
- int t = RT_SB(i);
- int r = s - t;
- if (r > 127)
- GPR_SB(destreg,i) = 127;
- else if (r < -128)
- GPR_SB(destreg,i) = -128;
- else
- GPR_SB(destreg,i) = r;
- }
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_long,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_long));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10101001000:MMI0:32::PSUBSH
-*r5900:
+010001,10,3.FMT,00000,5.FS,5.FD,001101:COP1:32::TRUNC.W
+"trunc.w.%s<FMT> f<FD>, f<FS>"
+*mipsII:
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ int destreg = ((instruction >> 6) & 0x0000001F);
+ int fs = ((instruction >> 11) & 0x0000001F);
+ int format = ((instruction >> 21) & 0x00000007);
{
- int i;
- for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
- {
- int s = RS_SH(i);
- int t = RT_SH(i);
- int r = s - t;
- if (r > 32767)
- GPR_SH(destreg,i) = 32767;
- else if (r < -32768)
- GPR_SH(destreg,i) = -32768;
- else
- GPR_SH(destreg,i) = r;
- }
+ if ((format != fmt_single) && (format != fmt_double))
+ SignalException(ReservedInstruction,instruction);
+ else
+ StoreFPR(destreg,fmt_word,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_word));
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
+\f
+//
+// MIPS Architecture:
+//
+// System Control Instruction Set (COP0)
+//
+
+
+010000,01000,00000,16.OFFSET:COP0:32::BC0F
+"bc0f <OFFSET>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
-011100,5.RS,5.RT,5.RD,10001001000:MMI0:32::PSUBSW
-*r5900:
+010000,01000,00000,16.OFFSET:COP0:32::BC0F
+"bc0f <OFFSET>"
+// stub needed for eCos as tx39 hardware bug workaround
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < WORDS_IN_MMI_REGS; i++)
- {
- signed64 s = RS_SW(i);
- signed64 t = RT_SW(i);
- signed64 r = s - t;
- if (r > (int)0x7FFFFFFF)
- GPR_SW(destreg,i) = (int)0x7FFFFFFF;
- else if (r < (int)0x80000000)
- GPR_SW(destreg,i) = (int)0x80000000;
- else
- GPR_SW(destreg,i) = r;
- }
- }
+ /* do nothing */
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,11001101000:MMI1:32::PSUBUB
-*r5900:
+010000,01000,00010,16.OFFSET:COP0:32::BC0FL
+"bc0fl <OFFSET>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+
+
+010000,01000,00001,16.OFFSET:COP0:32::BC0T
+"bc0t <OFFSET>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+
+
+010000,01000,00011,16.OFFSET:COP0:32::BC0TL
+"bc0tl <OFFSET>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+
+
+101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
{
unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
+ signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
+ int hint = ((instruction >> 16) & 0x0000001F);
+ signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
{
- int i;
- for (i=0; i < BYTES_IN_MMI_REGS; i++)
- {
- unsigned int s = RS_UB(i);
- unsigned int t = RT_UB(i);
- unsigned int r = s - t;
- if (r > 0xFF)
- GPR_UB(destreg,i) = 0;
- else
- GPR_UB(destreg,i) = r;
- }
+ address_word vaddr = (op1 + offset);
+ address_word paddr;
+ int uncached;
+ if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
+ CacheOp(hint,vaddr,paddr,instruction);
}
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10101101000:MMI1:32::PSUBUH
-*r5900:
+010000,10000,000000000000000,111001:COP0:32::DI
+"di"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+
+
+010000,00001,5.RT,5.RD,000,0000,0000:COP0:64::DMFC0
+"dmfc0 r<RT>, r<RD>"
+*mipsIII,mipsIV:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < HALFWORDS_IN_MMI_REGS; i++)
- {
- unsigned int s = RS_UH(i);
- unsigned int t = RT_UH(i);
- unsigned int r = s - t;
- if (r > 0xFFFF)
- GPR_UH(destreg,i) = 0;
- else
- GPR_UH(destreg,i) = r;
- }
- }
+ DecodeCoproc (instruction_0);
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10001101000:MMI1:32::PSUBUW
-*r5900:
+010000,00101,5.RT,5.RD,000,0000,0000:COP0:64::DMTC0
+"dmtc0 r<RT>, r<RD>"
+*mipsIII,mipsIV:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < WORDS_IN_MMI_REGS; i++)
- {
- unsigned64 s = RS_UW(i);
- unsigned64 t = RT_UW(i);
- unsigned64 r = s - t;
- if (r > 0xFFFFFFFF)
- GPR_UW(destreg,i) = 0;
- else
- GPR_UW(destreg,i) = r;
- }
- }
+ DecodeCoproc (instruction_0);
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,00001001000:MMI0:32::PSUBW
-*r5900:
+010000,10000,000000000000000,111000:COP0:32::EI
+"ei"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+
+
+010000,10000,000000000000000,011000:COP0:32::ERET
+"eret"
+*mipsIII:
+*mipsIV:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for (i=0; i < WORDS_IN_MMI_REGS; i++)
- {
- signed64 s = RS_SW(i);
- signed64 t = RT_SW(i);
- signed64 r = s - t;
- GPR_SW(destreg,i) = r;
- }
- }
+ if (SR & status_ERL)
+ {
+ /* Oops, not yet available */
+ sim_io_printf (SD, "Warning: ERET when SR[ERL] set not supported");
+ NIA = EPC;
+ SR &= ~status_ERL;
+ }
+ else
+ {
+ NIA = EPC;
+ SR &= ~status_EXL;
+ }
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,10011001001:MMI2:32::PXOR
-*r5900:
+010000,00000,5.RT,5.RD,00000,6.REGX:COP0:32::MFC0
+"mfc0 r<RT>, r<RD> # <REGX>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*r3900:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int i;
- for(i=0;i<WORDS_IN_MMI_REGS;i++)
- GPR_UW(destreg,i) = (RS_UW(i) ^ RT_UW(i));
- }
+ TRACE_ALU_INPUT0 ();
+ DecodeCoproc (instruction_0);
+ TRACE_ALU_RESULT (GPR[RT]);
+}
+
+010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0
+"mtc0 r<RT>, r<RD> # <REGX>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*r3900:
+*vr4100:
+*vr5000:
+{
+ DecodeCoproc (instruction_0);
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011100,5.RS,5.RT,5.RD,11011101000:MMI1:32::QFSRV
-*r5900:
+010000,10000,000000000000000,010000:COP0:32::RFE
+"rfe"
+*mipsI,mipsII,mipsIII,mipsIV:
+*r3900:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg UNUSED = ((instruction >> 11) & 0x0000001F);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg rs_reg UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- t_reg rs_reg1 = GPR1[((instruction >> 21) & 0x0000001F)];
- {
- int bytes = (SA / 8) % 16;
- if (SA % 8)
- SignalException(ReservedInstruction,instruction);
- else
- {
- int i;
- for(i=0;i<(16-bytes);i++)
- GPR_SB(destreg,i) = RT_SB(bytes+i);
- for(;i<16;i++)
- GPR_SB(destreg,i) = RS_SB(i-(16-bytes));
- }
- }
+ DecodeCoproc (instruction_0);
}
-// end-sanitize-r5900
-// start-sanitize-r5900
-011111,5.RS,5.RT,16.OFFSET:NORMAL:128::SQ
-*r5900:
+0100,ZZ!0!1!3,5.COP_FUN0!8,5.COP_FUN1,16.COP_FUN2:NORMAL:32::COPz
+"cop<ZZ> <COP_FUN0><COP_FUN1><COP_FUN2>"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
- t_reg rt_reg UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
- t_reg rt_reg1 = GPR1[((instruction >> 16) & 0x0000001F)];
- t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- unsigned64 vaddr = ((unsigned64)op1 + offset);
- unsigned64 paddr;
- int uncached;
- if ((vaddr & 15) != 0)
- SignalException(AddressStore);
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = rt_reg;
- memval1 = rt_reg1;
- {
- StoreMemory(uncached,AccessLength_QUADWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ DecodeCoproc (instruction_0);
}
-// end-sanitize-r5900
+
+
+010000,10000,000000000000000,001000:COP0:32::TLBP
+"tlbp"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+
+
+010000,10000,000000000000000,000001:COP0:32::TLBR
+"tlbr"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+
+
+010000,10000,000000000000000,000010:COP0:32::TLBWI
+"tlbwi"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+
+
+010000,10000,000000000000000,000110:COP0:32::TLBWR
+"tlbwr"
+*mipsI,mipsII,mipsIII,mipsIV:
+*vr4100:
+*vr5000:
+
+\f
+:include:::m16.igen
+:include:::tx.igen
+:include:::vr.igen
\f
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME What is this instruction?
-// 111011,5.RS,5.RT,16.OFFSET:NORMAL:32::<INT>
-// *mipsI:
-// *mipsII:
-// *mipsIII:
-// *mipsIV:
-// // start-sanitize-r5900
-// *r5900:
-// // end-sanitize-r5900
-// *r3900:
-// // start-sanitize-tx19
-// *tx19:
-// // end-sanitize-tx19
-// {
-// unsigned32 instruction = instruction_0;
-// t_reg offset UNUSED = SIGNEXTEND((t_reg)((instruction >> 0) & 0x0000FFFF),16);
-// t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
-// t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
-// {
-// if (CoProcPresent(3))
-// SignalException(CoProcessorUnusable);
-// else
-// SignalException(ReservedInstruction,instruction);
-// }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME What is this?
-// 11100,******,00001:RR:16::SDBBP
-// *mips16:
-// {
-// unsigned32 instruction = instruction_0;
-// if (have_extendval)
-// SignalException (ReservedInstruction, instruction);
-// {
-// SignalException(DebugBreakPoint,instruction);
-// }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME What is this?
-// 000000,********************,001110:SPECIAL:32::SDBBP
-// *r3900:
-// {
-// unsigned32 instruction = instruction_0;
-// {
-// SignalException(DebugBreakPoint,instruction);
-// }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME This apparently belongs to the vr4100 which
-// // isn't yet reconized by this simulator.
-// 000000,5.RS,5.RT,0000000000101000:SPECIAL:32::MADD16
-// *vr4100:
-// {
-// unsigned32 instruction = instruction_0;
-// t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
-// t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
-// {
-// CHECKHILO("Multiply-Add");
-// {
-// unsigned64 temp = (op1 * op2);
-// temp += (SET64HI(VL4_8(HI)) | VL4_8(LO));
-// LO = SIGNEXTEND((unsigned64)VL4_8(temp),32);
-// HI = SIGNEXTEND((unsigned64)VH4_8(temp),32);
-// }
-// }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME This apparently belongs to the vr4100 which
-// // isn't yet reconized by this simulator.
-// 000000,5.RS,5.RT,0000000000101001:SPECIAL:64::DMADD16
-// *vr4100:
-// {
-// unsigned32 instruction = instruction_0;
-// t_reg op2 UNUSED = GPR[((instruction >> 16) & 0x0000001F)];
-// t_reg op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
-// {
-// CHECKHILO("Multiply-Add");
-// {
-// unsigned64 temp = (op1 * op2);
-// LO = LO + temp;
-// }
-// }
-// }
-
-// start-sanitize-cygnus-never