sim/d10v/ChangeLog

   1 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4
   5 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
   6
   7         * configure: Regenerated to track ../common/aclocal.m4 changes.
   8
   9 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  10
  11         * configure: Re-generate.
  12
  13 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
  14
  15         * configure: Regenerate to track ../common/aclocal.m4 changes.
  16
  17         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
  18         as trap 0, which will be deprecated.  Only set errno, if an error
  19         in fact was returned.
  20
  21 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
  22
  23         * interp.c: Delete redundant prototypes of sim_foo fns.
  24         (sim_open): New SIM_DESC result.  Argument is now in argv form.
  25         (other sim_*): New SIM_DESC argument.
  26
  27 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
  28
  29         * simops.c (trace_{input,output}_func): Call flush_stdout from the
  30         callback functions.
  31         (OP_5F00): Ditto.
  32         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
  33         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
  34         setting the carry bit after an add or a subtract.
  35
  36 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
  37
  38         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
  39         40 bits of accumulators.  Sign/zero extend as appropriate.
  40
  41 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
  42
  43         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
  44         COMMON_{PRE,POST}_CONFIG_FRAG instead.
  45         * configure.in: sinclude ../common/aclocal.m4.
  46         * configure: Regenerated.
  47
  48 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
  49
  50         * configure configure.in Makefile.in:  Update to new configure
  51         scheme which is more compatible with WinGDB builds.
  52         * configure.in:  Improve comment on how to run autoconf.
  53         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
  54         * Makefile.in:  Use autoconf substitution to install common
  55         makefile fragment.
  56
  57 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
  58
  59         * gencode.c: patch to not #include "d10v_sim.h" which
  60         unecessarily includes bfd.h and causes wingdb configure
  61         to fail.
  62
  63 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
  64
  65         * interp.c (xfer_mem): Change unified memory to 0x0.
  66
  67 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  68
  69         * simops.c (OP_3E01): Fix tracing information.
  70         (OP_300{0,1}): Do not propigate sign.
  71
  72 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
  73
  74         * config.in (WORDS_BIGENDIAN): Add.
  75         * configure: Regenerated.
  76         * d10v_sim.h: #include "config.h"
  77
  78 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  79
  80         * gencode.c (write_opcodes): Eliminate warnings when generated
  81         table.c is compiled.
  82
  83 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  84
  85         * interp.c (sim_open): Cast result of calloc, and make sure NULL
  86         was not returned.
  87         (dmem_addr): If address is illegal or in I/O space, signal a bus
  88         error.
  89         (pc_addr): Signal bus error, not illegal instruction for bogus
  90         pc.
  91
  92 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
  93
  94         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
  95         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
  96         * configure.in: Simplify using macros in ../common/aclocal.m4.
  97         Call AC_CHECK_HEADERS(unistd.h).
  98         * configure: Regenerated.
  99         * config.in: New file.
 100         * interp.c: #include "callback.h".
 101         * simops.c: #include "config.h".  #include <unistd.h> if present.
 102
 103 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 104
 105         * d10v-sim.h (simops): Add flag is_long.
 106         (State): Add pc_changed.  Instructions which update the PC should
 107         use the JMP macro which sets this.
 108         (JMP): New macro.  Sets the PC and the pc_changed flag.
 109
 110         * gencode.c (write_opcodes): Add is_long field.
 111
 112         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 113         to a long opcode we could get a false match.  Check the opcode size.
 114         (hash): Add a size field to the hash table.
 115         (sim_open): Initialize size field in hash table.
 116         (sim_resume): Change to logic for setting the PC.  Used to increment the
 117         PC if it had not been changed.  This didn't allow single-instruction loops.
 118         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 119         (dmem_addr): Fix translation of data segments to unified memory.
 120         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 121
 122         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 123         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 124         a ldi.s instruction.
 125
 126 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 127
 128         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 129         updating the accumulators was overwriting other parts of the global
 130         State variable.
 131
 132 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 133
 134         * interp.c (bfd.h) Don't include it here any more.
 135         (text{,_start,_end}): Move here from simops.c and make extern.
 136         (decode_pc): New function to return the PC as an address that the
 137         debugger can use.
 138         (dmem_addr): Print decoded PC in error message.
 139         (pc_addr): Ditto.
 140
 141         * simops.c (bfd.h) Don't include it here any more.
 142         (text{,_start,_end}): Move to simops.c.
 143         (trace_input_func): Move decoding of PC, and looking up .text
 144         start to decode_pc.
 145
 146         * d10v_sim.h (bfd.h): Include it here.
 147         (text{,_start,_end}): Add external declarations.
 148         (exec_bfd): Ditto.
 149         (decode_pc): Ditto.
 150
 151 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 152
 153         * interp.c (sim_size): Now allocates unified memory for imap segments
 154         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 155         (sim_write): Just call xfer_mem().
 156         (sim_read): Just call xfer_mem().
 157         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 158         (dmem_addr): New function. Reads dmap register and translates data
 159         addresses to local addresses.
 160         (pc_addr): New function. Reads imap register and computes local address
 161         corresponding to contents of the PC.
 162         (sim_resume): Change to use pc_addr().
 163         (sim_create_inferior): Change reinitialization code. Also reinitializes
 164         imap[01] and dmap.
 165         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 166         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 167
 168         * simops.c (MEMPTR): Redefine to use dmem_addr().
 169         (OP_5F00): Replace references to STate.imem with dmem_addr().
 170
 171         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 172         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 173         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 174
 175 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 176
 177         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 178         better statistics, like not counting NOPS as parallel
 179         instructions, and printing total cycles.
 180         (ins_type_counters): Make unsigned long.
 181         (left_nops,right_nops): Fold into ins_type_counters.
 182
 183         * simops.c (trace_input_func): Print new instruction types.
 184         Handle OP_R2R3 as input types.
 185         (OP_{38000000,7000}): Correctly sign extend bytes.
 186         (OP_5E00): Don't count NOPs as parallel instructions.
 187         (OP_460B): Remove unused variable.
 188         (OP_5F00): Ditto.
 189
 190         * interp.c (ins_type_counters): Make unsigned long.
 191         (left_nops,right_nops): Delete.
 192         (most functions): Add prototypes.
 193         (INLINE): If GCC and optimize define as __inline__.
 194         ({,lookup_}hash,get_operands): Declare as INLINE.
 195         (do_parallel): Count conditional operations.
 196         (add_commas): New function, to add commas every 3 digits.
 197         (sim_size): Call add_commas to print numbers.
 198         (sim_{open,resume}): Delete unused variables.
 199         (sim_info): Provide better statistics.
 200         (sim_read): Add int return type.
 201
 202 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 203
 204         * interp.c (sim_resume): Change the way single-stepping and exceptions
 205         are handled so single-stepping works again.
 206
 207 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 208
 209         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 210         endian hosts.
 211
 212         * configure.in (--enable-sim-bswap): New switch to enable using
 213         the BSWAP instruction on x86's.
 214         * configure: Regenerate.
 215
 216         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 217         support.
 218
 219 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 220
 221         * endian.c: New file.  Move endian functions here from interp.c.
 222         Optimize code, and make it work as either inline functions or as a
 223         separate file.
 224
 225         * interp.c: Move endian functions from here to endian.c.
 226
 227         * Makefile.in (INCLUDE): Add endian.c.
 228         (run,libsim.a): Add dependency on endian.o.
 229         (endian.o): Add dependency.
 230
 231         * d10v_sim.h (read/write support): Always go through the machine
 232         independent endian functions.  If compiling with GCC and
 233         optimizing, include endian.c so the endian functions are inlined.
 234
 235         * simops.c (OP_5F00): Correct tracing of accumulators.
 236
 237 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 238
 239         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 240
 241         * interp.c (do_{2_short,parallel}): If an exception is raised,
 242         don't execute the second instruction.
 243
 244 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 245
 246         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 247         temporary in case the register is overriden when loading.
 248         (OP_6200): Output type is OP_DREG for tracing.
 249
 250 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 251
 252         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 253
 254         * interp.c (sim_size): Initialize mem_{min,max} fields.
 255         (sim_write): Update mem_{min,max} fields.
 256         (sim_resume): If PC is not in the minimum/maximum memory range,
 257         abort.
 258         (sim_create_inferior): Preserve mem_{min,max} fields.
 259
 260 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 261
 262         * simops.c (OP_5F00): Add support for time() system call.
 263
 264 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 265
 266         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 267         stored if tracing.
 268         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 269         system calls.
 270
 271 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 272
 273         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 274         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 275         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 276         to call/subroutine returns to trace the first two arguments and
 277         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 278
 279 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 280
 281         * interp.c (sim_create_inferior): Reinitialize State every time
 282         sim_create_inferior() is called.
 283
 284 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 285
 286         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 287         on comparisons.
 288         (OP_401): Fix tracing information.
 289
 290 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 291
 292         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 293         (trace_input_func): Use them.
 294         (trace_input_func): Make sure there is a trailing space after the
 295         instruction.
 296         (OP_6200): Fix tracing info.
 297
 298         * Makefile.in (run): Add dependencies on libbfd.a and
 299         libiberity.a.
 300
 301 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 302
 303         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 304         numbers and function names in debug trace.
 305         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 306         DEBUG_LINE_NUMBER.
 307         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 308         and exit system call trap being executed.
 309
 310         * interp.c (sim_stop_reason): Set exit code correctly for stop
 311         instruction and exit system call trap.
 312
 313         * configure.in (--enable-sim-cflags): Remove trace case.
 314         (--enable-sim-debug): New switch to set the debug values.
 315         * configure: Regenerate.
 316
 317         * simops.c (trace_{input,output}_func): Rename from
 318         trace_{input,output}.
 319         (trace_{input,output}): Call trace_{input,output}_func if
 320         d10v_debug is non-zero.
 321         (SIZE_INSTRUCTION): Cut down to 8.
 322         (SIZE_OPERANDS): Cut down to 18.
 323         (SIZE_LOCATION): New value for size of line number, function name
 324         field.
 325         (init_text_p,text{,_start,_end}): New static variables for
 326         printing line number and function name.
 327         (exec_bfd): New external that run.c sets.
 328         (trace_input_func): Print line number and function name if
 329         available and if desired.
 330         (OP_4E09): Don't print out DBT message.
 331         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 332         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 333
 334 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 335
 336         * interp.c (do_2_short): If the instruction encodes jump->ins,
 337         don't do the second instruction if the jump succeeds.
 338
 339 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 340
 341         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 342         accumulators, PC, and F0/F1/C flags.
 343
 344 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 345
 346         * simops.c (OP_5F00): Fix problems with system calls.
 347
 348 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 349
 350         * simops.c (OP_5F00): Correct tracing information for trap.
 351
 352 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 353
 354         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 355
 356 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 357
 358         * simops.c (trace_output): Properly align accumulator output.
 359         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 360         if shift count is too high.
 361         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 362         (OP_4E09): Make cpfg properly trace the input flags.
 363         (op_types): Add OP_FLAG_OUTPUT.
 364         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 365         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 366         an 8-bit memory reference instruction for tracing purposes.
 367         (OP_201): Addi needs to set the carry.
 368
 369 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 370
 371         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 372         to use signed register values.
 373
 374 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 375
 376         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 377         output.
 378         (_ins_type): New enumeration to specify which container an
 379         instruction is in, and whether it is part of a parallel operation.
 380         (_state): Add ins_type field.
 381         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 382         (ins_type_counters): Counters for the various instruction types.
 383         ({left,right}_nops): Counters for the number of nops in each
 384         container.
 385         (d10v_debug): New variable to indicate whether debugging is turned
 386         on.
 387
 388         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 389         the input and output values can be traced, along with the
 390         instruction type.  Make the -t option enable tracing.
 391         (all functions): Change printf calls to use the printf_filtered
 392         function in the callback table.
 393
 394         * interp.c (_leftright): New enumeration to say whether 2 short
 395         instructions are done left first or right first.
 396         (do_{long,2_short,parallel}): Indicate in the machine state which
 397         type of instruction this is.  Count each of the types of
 398         instructions executed.
 399         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 400         flag is set.
 401         (sim_resume): Pass left/right indication to do_2_short.
 402         (all functions): Change printf calls to use the printf_filtered
 403         function in the callback table.
 404         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 405         sim_resume.
 406         (sim_info): Print out statistics on instructions.
 407         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 408         debugging.
 409         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 410         Only initialize the hash table the first time sim_open is called.
 411
 412         * Makefile.in: Make objects depend on d10v_sim.h.
 413         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 414         CFLAGS does not override host/target defines or SIM_CFLAGS.
 415         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 416         (run): By default, the math library is not needed to be linked
 417         in.
 418         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 419         overridden.
 420         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 421         makes.
 422         ({run,callback}.o): Provide explicit paths to their appropriate
 423         source directories.
 424         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 425         and linking.  Instead of linking in libopcodes.a, just compile
 426         d10v-opc.o directly to handle canadian cross.
 427         (CSEARCH): Add opcodes directory.
 428
 429         * configure.in (--enable-sim-cflags): New switch to allow user to
 430         set the defaults.
 431         (CC_FOR_BUILD): Deal with canadian crosses.
 432         * configure: Regenerate.
 433
 434 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 435
 436         * simops.c: Include correct syscall.h for d10v, not host's.
 437         Fix #ifdef SYS_stat.
 438
 439 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 440
 441         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 442         Add trap 2 to be printf and trap 3 to be putchar.
 443
 444 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 445
 446         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 447         for low-level system calls.
 448
 449 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 450
 451         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 452
 453 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 454
 455         * d10v_sim.h (SEXT32): Added.
 456         * interp.c: Commented out printfs.
 457         * simops.c:  Fixed error in sb and st2w.
 458
 459 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 460
 461         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 462         DSP instructions.  Added modulo addressing.
 463
 464 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 465
 466         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 467
 468 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 469
 470         * d10v_sim.h, simops.c: Snapshot.
 471
 472 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 473
 474         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 475         gencode.c, interp.c, simops.c: Created.
 476