sim/tic80/ChangeLog

   1 Tue May 20 09:33:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * sim-main.h: Include <unistd.h>.
   4
   5         * sim-calls.c (sim_set_callback): Delete.
   6         (sim_open): Add/install callback argument.
   7         (sim_size): Delete.
   8
   9 Mon May 19 18:59:33 1997  Mike Meissner  <meissner@cygnus.com>
  10
  11         * configure.in: Check for getpid, kill functions.
  12         * config{.in,ure}: Regenerate.
  13
  14         * insns (do_trap): Add support for kill, getpid system calls.
  15
  16         * sim-main.h (errno.h): Include.
  17         (getpid,kill): Define as NOPs if the host doesn't have them.
  18
  19 Mon May 19 14:58:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  20
  21         * sim-calls.c (sim_open): Set the simulator base magic number.
  22         (sim_load): Delete prototype of sim_load_file.
  23         (sim_open): Define sd to be &simulation.
  24
  25 Fri May 16 14:35:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  26
  27         * insns (illegal, fp_unavailable): Halt instead of abort the
  28         simulator.
  29
  30         * insns: Replace calls to engine_error with sim_engine_abort.
  31         Ditto for engine_halt V sim_engine_halt.
  32
  33 Tue May 13 15:24:12 1997  Andrew Cagney  <cagney@b2.cygnus.com>
  34
  35         * interp.c (engine_run_until_stop): Delete. Moved to common.
  36         (engine_step): Ditto.
  37         (engine_step): Ditto.
  38         (engine_halt): Ditto.
  39         (engine_restart): Ditto.
  40         (engine_halt): Ditto.
  41         (engine_error): Ditto.
  42
  43         * sim-calls.c (sim_stop): Delete. Moved to common.
  44         (sim_stop_reason): Ditto.
  45         (sim_resume): Ditto.
  46
  47         * Makefile.in (SIM_OBJS): Link in generic sim-engine, sim-run,
  48         sim-resume, sim-reason, sim-stop modules.
  49
  50 Fri May 16 11:57:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  51
  52         * ic (compute): Drop check for REG == 0, now always forced to
  53         zero.
  54
  55         * cpu.h (GPR_SET): New macro update the gpr.
  56         * insns (do_add): Use GPR_SET to update the GPR register.
  57
  58         * sim-calls.c (sim_fetch_register): Pretend that r0 is zero.
  59
  60         * Makefile.in (tmp-igen): Specify zero-r0 so that every
  61         instruction clears r0.
  62
  63         * interp.c (engine_run_until_stop): Igen now generates code to
  64         clear r0.
  65         (engine_step): Ditto.
  66
  67 Thu May 15 11:45:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  68
  69         * insns (do_shift): When rot==0 and zero/sign merge treat it as
  70         32.
  71         (set_fp_reg): For interger conversion, use sim-fpu fpu2i
  72         functions.
  73         (do_fmpy): Perform iii and uuu using integer arithmetic.
  74
  75         * Makefile.in (ENGINE_H): Assume everything depends on the fpu.
  76
  77         * insns (get_fp_reg): Use sim_fpu_u32to to perform unsigned
  78         conversion.
  79         (do_fcmp): Update to use new fp compare functions. Make reg nr arg
  80         instead of reg.  Stops fp overflow.
  81         (get_fp_reg): Assume val is valid when reg == 0.
  82         (set_fp_reg): Fix double conversion.
  83
  84         * misc.c (tic80_trace_fpu1): New function, trace simple fp op.
  85
  86         * insns (do_frnd): Add tracing.
  87
  88         * cpu.h (TRACE_FPU1): Ditto.
  89
  90         * insns (do_trap): Printf formatting.
  91
  92 Wed May 14 18:05:50 1997  Mike Meissner  <meissner@cygnus.com>
  93
  94         * misc.c (tic80_trace_fpu{3,2,2i}): Align columns with other
  95         insns.  Use %g to print floating point instead of %f in case the
  96         numbers are real large.
  97
  98 Tue May 13 18:00:10 1997  Mike Meissner  <meissner@cygnus.com>
  99
 100         * insns (do_trap): For system calls that are defined, but not
 101         provided return EINVAL. Temporarily add traps 74-79 to just print
 102         the register state.
 103
 104         * interp.c (engine_{run_until_stop,step}): Before executing
 105         instructions, make sure r0 == 0.
 106
 107 Tue May 13 16:39:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 108
 109         * alu.h (IMEM): Take full cia not just IP as argument.
 110
 111         * interp.c (engine_run_until_stop): Delete handling of annuled
 112         instructions.
 113         (engine_step): Ditto.
 114
 115         * insn (do_branch): New function.
 116         (do_bbo, do_bbz, do_bcnd, do_bsr, do_jsr): Use do_branch to handle
 117         annuled branches.
 118
 119 Mon May 12 17:15:52 1997  Mike Meissner  <meissner@cygnus.com>
 120
 121         * insns (do_{ld,st}): Fix tracing for ld/st.
 122
 123 Mon May 12 11:12:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 124
 125         * sim-calls.c (sim_stop_reason): Restore keep_running after a
 126         CNTRL-C, don't re-clear it.
 127
 128         * interp.c (engine_error): stop rather than signal with SIGABRT
 129         when an error.
 130
 131         * insns (do_ld): For 64bit loads, always store LSW in rDest, MSW in
 132         rDest + 1. Also done by Michael Meissner  <meissner@cygnus.com>
 133         (do_st): Converse for store.
 134
 135         * misc.c (tic80_trace_fpu2i): Correct printf format for int type.
 136
 137 Sun May 11 11:02:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 138
 139         * sim-calls.c (sim_stop_reason): Return a SIGINT if keep_running
 140         was cleared.
 141
 142         * interp.c (engine_step): New function.  Single step the simulator
 143         taking care of cntrl-c during a step.
 144
 145         * sim-calls.c (sim_resume): Differentiate between stepping and
 146         running so that a cntrl-c during a step is reported.
 147
 148 Sun May 11 10:54:31 1997  Mark Alexander    <marka@cygnus.com>
 149
 150         * sim-calls.c (sim_fetch_register): Use correct reg base.
 151         (sim_store_register): Ditto.
 152
 153 Sun May 11 10:25:14 1997  Michael Meissner  <meissner@cygnus.com>
 154
 155         * cpu.h (tic80_trace_shift): Add declaration.
 156         (TRACE_SHIFT): New macro to trace shift instructions.
 157
 158         * misc.c (tic80_trace_alu2): Align spacing.
 159         (tic80_trace_shift): New function to trace shifts.
 160
 161         * insns (lmo): Add missing 0b prefix to bits.
 162         (do_shift): Use ~ (unsigned32)0, instead of -1.  Use TRACE_SHIFT
 163         instead of TRACE_ALU2.
 164         (sl r): Use EndMask as is, instead of using Source+1 register.
 165         (subu): Operands are unsigned, not signed.
 166         (do_{ld,st}): Fix endian problems with ld.d/st.d.
 167
 168 Sat May 10 12:35:47 1997  Michael Meissner  <meissner@cygnus.com>
 169
 170         * insns (and{.tt,.tf,.ft,.ff}): Immediate values are unsigned, not
 171         signed.
 172
 173 Fri May  9 15:47:36 1997  Mike Meissner  <meissner@cygnus.com>
 174
 175         * insns (cmp_vals,do_cmp): Produce the correct bits as specified
 176         by the architecture.
 177         (xor): Fix xor immediate patterns to use the correct bits.
 178
 179 Fri May  9 09:55:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 180
 181         * alu.h (long_immediate): Adjust the CIA delay-pointer as well as
 182         the NIA when a 64bit insn.
 183
 184 Thu May  8 11:57:47 1997  Michael Meissner  <meissner@cygnus.com>
 185
 186         * insns (jsr,bsr): For non-allulled calls, set r31 so that the
 187         return address does not reexecute the instruction in the delay
 188         slot.
 189         (bbo,bbz): Complement bit number to reverse the one's complement
 190         that the assembler is required to do.
 191
 192         * misc.c (tic80_trace_*): Change format slightly to accomidate
 193         real large decimal values.
 194
 195 Thu May  8 14:07:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 196
 197         * sim-calls.c (sim_do_command): Implement.
 198         (sim_store_register): Fix typo T2H v H2T.
 199
 200 Wed May  7 11:48:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 201
 202         * cpu.h (TRACE_FPU2, TRACE_FPU3, TRACE_FPU2I): Add.
 203         * insn: Clean up fpu tracing.
 204
 205         * sim-calls.c (sim_create_inferior): Start out with interrupts
 206         enabled.
 207
 208         * cpu.h (TRACE_SINK3), misc.c (tic80_trace_sink3): Three argument
 209         sink
 210
 211         * insns (rdcr, swcr, wrcr, brcr, rmo, lmo): Implement.
 212
 213         * insns (do_*): Remove MY_INDEX/indx argument from support functions,
 214         igen now handles this.
 215
 216         * cpu.h (CR): New macro - access TIc80 control registers.
 217
 218         * misc.c: New file.
 219         (tic80_cr2index): New function, map control register opcode index
 220         into the internal CR enum.
 221
 222         * interp.c
 223         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Move from
 224         here
 225         * misc.c: to here.
 226
 227         * Makefile.in (SIM_OBJS): Add misc.o.
 228
 229 Tue May  6 15:22:58 1997  Mike Meissner  <meissner@cygnus.com>
 230
 231         * cpu.h ({,v}{S,D}P_FPR): Delete unused macros that won't work on
 232         big endian hosts.
 233         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Declare
 234         new functions.
 235         (TRACE_{ALU{2,3},NOP,SINK{1,2},{,U}COND_BR,LD,ST}): New macros to
 236         trace various instruction types.
 237
 238         * insns: Modify all instructions to support semantic tracing.
 239
 240         * interp.c (toplevel): Include itable.h.
 241         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): New
 242         functions to provide semantic level tracing information.
 243
 244 Mon May  5 11:50:43 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 245
 246         * alu.h: Update usage of core object to reflect recent changes in
 247         ../common/sim-*core.
 248         * sim-calls.c (sim_open): Ditto.
 249
 250 Mon May  5 14:10:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 251
 252         * insn (cmnd): No-op cache flushes.
 253
 254         * insns (do_trap): Allow writes to STDERR.
 255
 256         * Makefile.in (SIM_OBJS): Link in sim-fpu.o.
 257         (SIM_EXTRA_LIBS): Link in the math library.
 258
 259         * alu.h: Add support for floating point unit using sim-alu.
 260
 261         * insns (fadd, fsub, fmpy, fdiv, fcmp, frnd*): Implement.
 262
 263 Fri May  2 14:57:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 264
 265         * sim-calls.c: Include sim-utils.h and sim-options.h.
 266
 267         * sim-main.h (sim_state): Drop sim_events and sim_core members,
 268         moved to simulator base type.
 269
 270         * alu.h (IMEM, MEM, STORE): Update track changes in common
 271         directory.
 272
 273         * insns: Drop cia argument from functions, igen now handles this.
 274
 275         * interp.c (engine_init): Include string.h/strings.h to define
 276         memset et.al.
 277
 278         * sim-main.h (sim_cia): Delcare, tracking common dir changes.
 279
 280         * cpu.h (sim_cpu): Update instruction_address with sim_cia.
 281
 282 Wed Apr 30 11:26:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 283
 284         * sim-main.h (signal.h): Include so that SIG* available to all
 285         callers of sig_halt.
 286
 287         * insns (do_shift): New function, implement shift operations.
 288         (do_trap): Add handler for trap 73 - SIGTRAP.
 289
 290 Tue Apr 29 10:58:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 291
 292         * alu.h (MEM, STORE): Force addresses to be correctly aligned.
 293
 294         * insns (do_jsr): Fix.
 295         (do_st, do_ld): Handle 64bit transfers.
 296         (do_trap): Match libgloss.
 297         (rdcr): Implement nop - Dest == r0 - variant.
 298
 299         * sim-calls.c (sim_create_inferior): Initialize SP.
 300
 301         * Makefile.in (ENGINE_H): Everything now depends on sim-options.h.
 302         (support.o): Depends on ENGINE_H.
 303
 304         * cpu.h: Four accumulators.
 305
 306         * Makefile.in (tmp-igen): Include line number information in
 307         generated files.
 308
 309         * insns (dld, dst): Fill in.
 310
 311 Mon Apr 28 13:02:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 312
 313         * insns (vld): Fix instruction format wrong.
 314
 315 Thu Apr 24 16:43:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 316
 317         * dc: Add additional rules so that minor opcode files are
 318         detected.
 319         * insns: Enable more instructions.
 320
 321         * sim-calls.c (sim_fetch_register,sim_store_register, sim_write):
 322         Implement.
 323
 324 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 325
 326         * configure: Regenerated to track ../common/aclocal.m4 changes.
 327         * Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
 328         * sim-calls.c (sim_open): Call sim_module_uninstall if argument
 329         parsing fails.  Call sim_post_argv_init.
 330         (sim_close): Call sim_module_uninstall.
 331
 332 Wed Apr 23 20:05:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 333
 334         * insns (and, bbo, bcnd, bsr, dcache, jsr, or, xor, nor): Enable.
 335         * ic: Add fields for enabled instructions.
 336