sim/d10v/ChangeLog

   1 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
   2
   3         * interp.c (bfd.h) Don't include it here any more.
   4         (text{,_start,_end}): Move here from simops.c and make extern.
   5         (decode_pc): New function to return the PC as an address that the
   6         debugger can use.
   7         (dmem_addr): Print decoded PC in error message.
   8         (pc_addr): Ditto.
   9
  10         * simops.c (bfd.h) Don't include it here any more.
  11         (text{,_start,_end}): Move to simops.c.
  12         (trace_input_func): Move decoding of PC, and looking up .text
  13         start to decode_pc.
  14
  15         * d10v_sim.h (bfd.h): Include it here.
  16         (text{,_start,_end}): Add external declarations.
  17         (exec_bfd): Ditto.
  18         (decode_pc): Ditto.
  19
  20 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
  21
  22         * interp.c (sim_size): Now allocates unified memory for imap segments
  23         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
  24         (sim_write): Just call xfer_mem().
  25         (sim_read): Just call xfer_mem().
  26         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
  27         (dmem_addr): New function. Reads dmap register and translates data
  28         addresses to local addresses.
  29         (pc_addr): New function. Reads imap register and computes local address
  30         corresponding to contents of the PC.
  31         (sim_resume): Change to use pc_addr().
  32         (sim_create_inferior): Change reinitialization code. Also reinitializes
  33         imap[01] and dmap.
  34         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
  35         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
  36
  37         * simops.c (MEMPTR): Redefine to use dmem_addr().
  38         (OP_5F00): Replace references to STate.imem with dmem_addr().
  39
  40         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
  41         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
  42         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
  43
  44 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  45
  46         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
  47         better statistics, like not counting NOPS as parallel
  48         instructions, and printing total cycles.
  49         (ins_type_counters): Make unsigned long.
  50         (left_nops,right_nops): Fold into ins_type_counters.
  51
  52         * simops.c (trace_input_func): Print new instruction types.
  53         Handle OP_R2R3 as input types.
  54         (OP_{38000000,7000}): Correctly sign extend bytes.
  55         (OP_5E00): Don't count NOPs as parallel instructions.
  56         (OP_460B): Remove unused variable.
  57         (OP_5F00): Ditto.
  58
  59         * interp.c (ins_type_counters): Make unsigned long.
  60         (left_nops,right_nops): Delete.
  61         (most functions): Add prototypes.
  62         (INLINE): If GCC and optimize define as __inline__.
  63         ({,lookup_}hash,get_operands): Declare as INLINE.
  64         (do_parallel): Count conditional operations.
  65         (add_commas): New function, to add commas every 3 digits.
  66         (sim_size): Call add_commas to print numbers.
  67         (sim_{open,resume}): Delete unused variables.
  68         (sim_info): Provide better statistics.
  69         (sim_read): Add int return type.
  70
  71 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
  72
  73         * interp.c (sim_resume): Change the way single-stepping and exceptions
  74         are handled so single-stepping works again.
  75
  76 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  77
  78         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
  79         endian hosts.
  80
  81         * configure.in (--enable-sim-bswap): New switch to enable using
  82         the BSWAP instruction on x86's.
  83         * configure: Regenerate.
  84
  85         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
  86         support.
  87
  88 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  89
  90         * endian.c: New file.  Move endian functions here from interp.c.
  91         Optimize code, and make it work as either inline functions or as a
  92         separate file.
  93
  94         * interp.c: Move endian functions from here to endian.c.
  95
  96         * Makefile.in (INCLUDE): Add endian.c.
  97         (run,libsim.a): Add dependency on endian.o.
  98         (endian.o): Add dependency.
  99
 100         * d10v_sim.h (read/write support): Always go through the machine
 101         independent endian functions.  If compiling with GCC and
 102         optimizing, include endian.c so the endian functions are inlined.
 103
 104         * simops.c (OP_5F00): Correct tracing of accumulators.
 105
 106 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 107
 108         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 109
 110         * interp.c (do_{2_short,parallel}): If an exception is raised,
 111         don't execute the second instruction.
 112
 113 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 114
 115         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 116         temporary in case the register is overriden when loading.
 117         (OP_6200): Output type is OP_DREG for tracing.
 118
 119 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 120
 121         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 122
 123         * interp.c (sim_size): Initialize mem_{min,max} fields.
 124         (sim_write): Update mem_{min,max} fields.
 125         (sim_resume): If PC is not in the minimum/maximum memory range,
 126         abort.
 127         (sim_create_inferior): Preserve mem_{min,max} fields.
 128
 129 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 130
 131         * simops.c (OP_5F00): Add support for time() system call.
 132
 133 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 134
 135         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 136         stored if tracing.
 137         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 138         system calls.
 139
 140 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 141
 142         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 143         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 144         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 145         to call/subroutine returns to trace the first two arguments and
 146         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 147
 148 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 149
 150         * interp.c (sim_create_inferior): Reinitialize State every time
 151         sim_create_inferior() is called.
 152
 153 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 154
 155         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 156         on comparisons.
 157         (OP_401): Fix tracing information.
 158
 159 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 160
 161         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 162         (trace_input_func): Use them.
 163         (trace_input_func): Make sure there is a trailing space after the
 164         instruction.
 165         (OP_6200): Fix tracing info.
 166
 167         * Makefile.in (run): Add dependencies on libbfd.a and
 168         libiberity.a.
 169
 170 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 171
 172         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 173         numbers and function names in debug trace.
 174         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 175         DEBUG_LINE_NUMBER.
 176         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 177         and exit system call trap being executed.
 178
 179         * interp.c (sim_stop_reason): Set exit code correctly for stop
 180         instruction and exit system call trap.
 181
 182         * configure.in (--enable-sim-cflags): Remove trace case.
 183         (--enable-sim-debug): New switch to set the debug values.
 184         * configure: Regenerate.
 185
 186         * simops.c (trace_{input,output}_func): Rename from
 187         trace_{input,output}.
 188         (trace_{input,output}): Call trace_{input,output}_func if
 189         d10v_debug is non-zero.
 190         (SIZE_INSTRUCTION): Cut down to 8.
 191         (SIZE_OPERANDS): Cut down to 18.
 192         (SIZE_LOCATION): New value for size of line number, function name
 193         field.
 194         (init_text_p,text{,_start,_end}): New static variables for
 195         printing line number and function name.
 196         (exec_bfd): New external that run.c sets.
 197         (trace_input_func): Print line number and function name if
 198         available and if desired.
 199         (OP_4E09): Don't print out DBT message.
 200         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 201         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 202
 203 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 204
 205         * interp.c (do_2_short): If the instruction encodes jump->ins,
 206         don't do the second instruction if the jump succeeds.
 207
 208 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 209
 210         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 211         accumulators, PC, and F0/F1/C flags.
 212
 213 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 214
 215         * simops.c (OP_5F00): Fix problems with system calls.
 216
 217 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 218
 219         * simops.c (OP_5F00): Correct tracing information for trap.
 220
 221 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 222
 223         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 224
 225 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 226
 227         * simops.c (trace_output): Properly align accumulator output.
 228         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 229         if shift count is too high.
 230         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 231         (OP_4E09): Make cpfg properly trace the input flags.
 232         (op_types): Add OP_FLAG_OUTPUT.
 233         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 234         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 235         an 8-bit memory reference instruction for tracing purposes.
 236         (OP_201): Addi needs to set the carry.
 237
 238 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 239
 240         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 241         to use signed register values.
 242
 243 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 244
 245         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 246         output.
 247         (_ins_type): New enumeration to specify which container an
 248         instruction is in, and whether it is part of a parallel operation.
 249         (_state): Add ins_type field.
 250         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 251         (ins_type_counters): Counters for the various instruction types.
 252         ({left,right}_nops): Counters for the number of nops in each
 253         container.
 254         (d10v_debug): New variable to indicate whether debugging is turned
 255         on.
 256
 257         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 258         the input and output values can be traced, along with the
 259         instruction type.  Make the -t option enable tracing.
 260         (all functions): Change printf calls to use the printf_filtered
 261         function in the callback table.
 262
 263         * interp.c (_leftright): New enumeration to say whether 2 short
 264         instructions are done left first or right first.
 265         (do_{long,2_short,parallel}): Indicate in the machine state which
 266         type of instruction this is.  Count each of the types of
 267         instructions executed.
 268         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 269         flag is set.
 270         (sim_resume): Pass left/right indication to do_2_short.
 271         (all functions): Change printf calls to use the printf_filtered
 272         function in the callback table.
 273         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 274         sim_resume.
 275         (sim_info): Print out statistics on instructions.
 276         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 277         debugging.
 278         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 279         Only initialize the hash table the first time sim_open is called.
 280
 281         * Makefile.in: Make objects depend on d10v_sim.h.
 282         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 283         CFLAGS does not override host/target defines or SIM_CFLAGS.
 284         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 285         (run): By default, the math library is not needed to be linked
 286         in.
 287         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 288         overridden.
 289         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 290         makes.
 291         ({run,callback}.o): Provide explicit paths to their appropriate
 292         source directories.
 293         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 294         and linking.  Instead of linking in libopcodes.a, just compile
 295         d10v-opc.o directly to handle canadian cross.
 296         (CSEARCH): Add opcodes directory.
 297
 298         * configure.in (--enable-sim-cflags): New switch to allow user to
 299         set the defaults.
 300         (CC_FOR_BUILD): Deal with canadian crosses.
 301         * configure: Regenerate.
 302
 303 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 304
 305         * simops.c: Include correct syscall.h for d10v, not host's.
 306         Fix #ifdef SYS_stat.
 307
 308 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 309
 310         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 311         Add trap 2 to be printf and trap 3 to be putchar.
 312
 313 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 314
 315         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 316         for low-level system calls.
 317
 318 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 319
 320         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 321
 322 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 323
 324         * d10v_sim.h (SEXT32): Added.
 325         * interp.c: Commented out printfs.
 326         * simops.c:  Fixed error in sb and st2w.
 327
 328 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 329
 330         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 331         DSP instructions.  Added modulo addressing.
 332
 333 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 334
 335         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 336
 337 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 338
 339         * d10v_sim.h, simops.c: Snapshot.
 340
 341 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 342
 343         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 344         gencode.c, interp.c, simops.c: Created.
 345