sim/v850/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 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  10
  11         * configure: Regenerated to track ../common/aclocal.m4 changes.
  12
  13 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  14
  15         * configure: Re-generate.
  16
  17 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
  18
  19         * configure: Regenerate to track ../common/aclocal.m4 changes.
  20
  21 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
  22
  23         * interp.c (sim_open): New SIM_DESC result.  Argument is now
  24         in argv form.
  25         (other sim_*): New SIM_DESC argument.
  26
  27 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
  28
  29         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
  30         COMMON_{PRE,POST}_CONFIG_FRAG instead.
  31         * configure.in: sinclude ../common/aclocal.m4.
  32         * configure: Regenerated.
  33
  34 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
  35
  36         * configure configure.in Makefile.in:  Update to new configure
  37         scheme which is more compatible with WinGDB builds.
  38         * configure.in:  Improve comment on how to run autoconf.
  39         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
  40         * Makefile.in:  Use autoconf substitution to install common
  41         makefile fragment.
  42
  43 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
  44
  45         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
  46         not zero extend.
  47
  48 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
  49
  50         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
  51         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
  52         SYS_gettimeofday and SYS_utime from MSVC.
  53
  54 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  55
  56         * simops.c (OP_10007E0): Know that kill encodes the signal number
  57         via: 0xdead0000 | signal and turn it back into a signal.
  58
  59 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  60
  61         * v850_sim.h (SIG_V850_EXIT): Define as -1.
  62
  63         * interp.c (sim_open): Cast calloc function.
  64         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
  65         program exited with the appropriate exit code.
  66         (sim_set_interrupt): Declare buildargv.
  67
  68         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
  69         type correct and work on big endian systems.
  70
  71 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
  72
  73         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
  74         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
  75         * configure.in: Simplify using macros in ../common/aclocal.m4.
  76         Call AC_CHECK_HEADERS(unistd.h).
  77         * configure: Regenerated.
  78         * config.in: New file.
  79         * simops.c: #include "config.h".  #include <unistd.h> if present.
  80
  81 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
  82
  83         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
  84         (EIPC, etc): New macros for system registers.
  85         * simops.c, interp.c: Use everywhere.
  86
  87         * interp.c: Add support for interrupts issued by interrupt
  88         generators, either PC- or time-based.  Controlled by simulator
  89         command "sim interrupt".
  90
  91         * interp.c: Add support for variable-size allocation of memory,
  92         via simulator command "sim memory-map".
  93         (map): Issue SIGSEGV for references to invalid memory regions.
  94
  95 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
  96
  97         * simops.c: Include <sys/time.h> for struct timeval and
  98         struct timezone.
  99
 100 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 101
 102         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 103
 104         * simops.c (OP_10007E0): Handle SYS_time.
 105
 106 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 107
 108         * simops.c: Include <sys/stat.h>.
 109         (OP_10007E0): Handle SYS_stat.
 110
 111 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 112
 113         * simops.c (OP_10007E0): Don't declare errno.
 114
 115         * simops.c (OP_500): Mask off low bit in displacement
 116         for sld.w.
 117         (OP_501): Similarly.
 118
 119         * simops.c (OP_500): Fix displacement handling for sld.w.
 120         (OP_501): Similarly for sst.w.
 121
 122         * simops.c (trace_input): Remove all references to SEXT7.
 123         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 124         is zero extended for sst/sld instructions.
 125         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 126         was incorrect anyway).
 127
 128 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 129
 130         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 131         autoconf.
 132         * gencode.c (write_opcodes):  Pad operands field to account for
 133         MSVC braindamage.
 134         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 135         doesn't support it.  (Why is this here in the first place?!?)
 136         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 137         Change number of operands in struct simops from 9 to 6.  Define
 138         SIGTRAP and SIGQUIT for MSVC.
 139
 140 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 141
 142         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 143         * (map):  Add support for external mem in the 1->2 meg range.
 144         Also, abort() when memory access is way out of bounds.  (Better to
 145         die than to give wrong result.  (This will be fixed later.))
 146         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 147
 148 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 149
 150         * simops.c (trace_input): Swapped order of operands for output
 151         output of OP_IMM_REG.  Changed the fetching of the operands for
 152         OP_LOAD32, and OP_STORE32 to work like op-function.
 153
 154 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 155
 156         * interp.c:  Move includes of remote-sim.h and callback.h to
 157         v850-sim.h.
 158         * (lookup_hash): Add PC to report of hash failure.
 159         * (map load_mem store_mem):  New memory subsystem.  Models V851
 160         memory system.
 161         * (sim_write sim_read):  Use new memory subsystem.
 162         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 163         to make user-defined traps work right.
 164         * simops.c (OP_*):  Use new memory subsystem.
 165         * (OP_14007E0 (reti)):  Implement reti.
 166         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 167         trap 31.  Use new memory subsystem.
 168         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 169         load_mem in RLW macro.
 170
 171 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 172
 173         * gencode.c (write_opcodes):  Output hex values for opcode mask
 174         and patterns.
 175         * interp.c (sim_resume):  Save and restore PC from the appropriate
 176         register.
 177         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 178         with reading and writing registers.
 179         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 180
 181 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 182
 183         * simops.c (trace_input): Fix thinko.
 184
 185 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 186
 187         * simops.c (exec_bfd): Rename from sim_bfd.
 188         (trace_input): Ditto.
 189
 190 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 191
 192         * simops.c (trace_input): Use find_nearest_line to print line
 193         number, function name or file name of PC.
 194
 195 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 196
 197         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 198         doing hardwired shifts.
 199
 200         * configure.in (--enable-sim-cflags): Add switch to add additional
 201         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 202         tracing.
 203         * configure: Regenerate.
 204
 205         * Makefile.in: Don't require a VPATH capable make if configuring
 206         in the same directory.  Don't use CFLAGS for configuration flags.
 207         Add flags from --enable-sim-cflags.  Support canadian cross
 208         builds.  Rebuild whole simulator if include files change.
 209
 210         * interp.c (v850_debug): New global for debugging.
 211         (lookup_hash,sim_size,sim_set_profile): Use
 212         printf_filtered callback, instead of calling printf directly.
 213         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 214
 215         * v850_sim.h: Use limits.h to set the various sized types.
 216         (SEXT{5,7,16,22}): New macros.
 217
 218 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 219
 220         * interp.c (hash): Make this an inline function
 221         when compiling with GCC.  Simplify.
 222         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 223         some #if 0'd code.  Enable more emulated syscalls.
 224
 225 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 226
 227         * interp.c: Fix sign bit handling for add and sub instructions.
 228
 229 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 230
 231         * gencode.c: Fix various indention & style problems.
 232         Remove test code.  Remove #if 0 code.
 233         * interp.c: Provide prototypes for all static functions.
 234         Fix minor indention problems.
 235         (sim_open, sim_resume): Remove unused variables.
 236         (sim_read): Return type is "int".
 237         * simops.c: Remove unused variables.
 238         (divh): Make result of divide-by-zero zero.
 239         (setf): Initialize result to keep compiler quiet.
 240         (sar instructions): These just clear the overflow bit.
 241         * v850_sim.h: Provide prototypes for put_byte, put_half
 242         and put_word.
 243
 244         * interp.c: OP should be an array of 32bit operands!
 245         (v850_callback): Declare.
 246         (do_format_5): Fix extraction of OP[0].
 247         (sim_size): Remove debugging printf.
 248         (sim_set_callbacks): Do something useful.
 249         (sim_stop_reason): Gross hacks to get c-torture running.
 250         * simops.c: Simplify code for computing targets of bCC
 251         insns.   Invert 's' bit if 'ov' bit is set for some
 252         instructions.  Fix 'cy' bit handling for numerous
 253         instructions.  Make the simulator stop when a halt
 254         instruction is encountered.  Very crude support for
 255         emulated syscalls (trap 0).
 256         * v850_sim.h: Include "callback.h" and declare
 257         v850_callback.  Items in the operand array are 32bits.
 258
 259 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 260
 261         * interp.c (sim_resume): Fix code to check for a format 3
 262         opcode.
 263         * simops.c: bCC insns only argument is a constant, not a
 264         register value (duh...)
 265
 266 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 267
 268         * simops.c: Fix "not1" and "set1".
 269
 270         * simops.c: Don't forget to initialize temp for
 271         "ld.h" and "ld.w"
 272
 273         * interp.c: Remove various debugging printfs.
 274
 275         * simops.c: Fix satadd, satsub boundary case handling.
 276
 277         * interp.c (hash): Fix.
 278         * interp.c (do_format_8): Get operands correctly and
 279         call the target function.
 280         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 281
 282 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 283
 284         * interp.c (do_format_4): Get operands correctly and
 285         call the target function.
 286         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 287         "sst.h", and "sst.w".
 288
 289         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 290         accordingly.  Remove many unused definitions.
 291         * interp.c: The V850 doesn't have split I&D spaces.  Change
 292         accordingly.
 293         (get_longlong, get_longword, get_word): Deleted.
 294         (write_longlong, write_longword, write_word): Deleted.
 295         (get_operands): Deleted.
 296         (get_byte, get_half, get_word): New functions.
 297         (put_byte, put_half, put_word): New functions.
 298         * simops.c: Remove unused functions.  Rough cut at
 299         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 300
 301         * v850_sim.h (struct _state): Remove "psw" field.  Add
 302         "sregs" field.
 303         (PSW): Remove bogus definition.
 304         * simops.c: Change condition code handling to use the psw
 305         register within the sregs array.  Handle "ldsr" and "stsr".
 306
 307         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
 308
 309         * interp.c (do_format_5): Get operands correctly and
 310         call the target function.
 311         (sim_resume): Don't do a PC update for format 5 instructions.
 312         * simops.c: Handle "jarl" and "jmp" instructions.
 313
 314         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
 315         "di", and "ei" instructions correctly.
 316
 317         * interp.c (do_format_3): Get operands correctly and call
 318         the target function.
 319         * simops.c: Handle bCC instructions.
 320
 321         * simops.c: Add condition code handling to shift insns.
 322         Fix minor typos in condition code handling for other insns.
 323
 324         * Makefile.in: Fix typo.
 325         * simops.c: Add condition code handling to "sub" "subr" and
 326         "divh" instructions.
 327
 328         * interp.c (hash): Update to be more accurate.
 329         (lookup_hash): Call hash rather than computing the hash
 330         code here.
 331         (do_format_1_2): Handle format 1 and format 2 instructions.
 332         Get operands correctly and call the target function.
 333         (do_format_6): Get operands correctly and call the target
 334         function.
 335         (do_formats_9_10): Rough cut so shift ops will work.
 336         (sim_resume): Tweak to deal with format 1 and format 2
 337         handling in a single funtion.  Don't update the PC
 338         for format 3 insns.  Fix typos.
 339         * simops.c: Slightly reorganize.  Add condition code handling
 340         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
 341         and "not" instructions.
 342         * v850_sim.h (reg_t): Registers are 32bits.
 343         (_state): The V850 has 32 general registers.  Add a 32bit
 344         psw and pc register too.  Add accessor macros
 345
 346         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
 347         changes from the d10v simulator.
 348
 349         * simops.c: Add shift support.
 350
 351         * simops.c: Add multiply & divide support.  Abort for system
 352         instructions.
 353
 354         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
 355         and subr.  No condition codes yet.
 356
 357 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
 358
 359         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
 360         gencode.c, interp.c, simops.c: Created.
 361