sim/v850/ChangeLog

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