sim/v850/ChangeLog

   1 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
   2
   3         * interp.c (sim_open): New arg `kind'.
   4
   5         * configure: Regenerated to track ../common/aclocal.m4 changes.
   6
   7 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
   8
   9         * configure: Regenerated to track ../common/aclocal.m4 changes.
  10
  11 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  12
  13         * configure: Regenerated to track ../common/aclocal.m4 changes.
  14
  15 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  16
  17         * configure: Re-generate.
  18
  19 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
  20
  21         * configure: Regenerate to track ../common/aclocal.m4 changes.
  22
  23 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
  24
  25         * interp.c (sim_open): New SIM_DESC result.  Argument is now
  26         in argv form.
  27         (other sim_*): New SIM_DESC argument.
  28
  29 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
  30
  31         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
  32         COMMON_{PRE,POST}_CONFIG_FRAG instead.
  33         * configure.in: sinclude ../common/aclocal.m4.
  34         * configure: Regenerated.
  35
  36 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
  37
  38         * configure configure.in Makefile.in:  Update to new configure
  39         scheme which is more compatible with WinGDB builds.
  40         * configure.in:  Improve comment on how to run autoconf.
  41         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
  42         * Makefile.in:  Use autoconf substitution to install common
  43         makefile fragment.
  44
  45 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
  46
  47         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
  48         not zero extend.
  49
  50 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
  51
  52         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
  53         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
  54         SYS_gettimeofday and SYS_utime from MSVC.
  55
  56 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  57
  58         * simops.c (OP_10007E0): Know that kill encodes the signal number
  59         via: 0xdead0000 | signal and turn it back into a signal.
  60
  61 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  62
  63         * v850_sim.h (SIG_V850_EXIT): Define as -1.
  64
  65         * interp.c (sim_open): Cast calloc function.
  66         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
  67         program exited with the appropriate exit code.
  68         (sim_set_interrupt): Declare buildargv.
  69
  70         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
  71         type correct and work on big endian systems.
  72
  73 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
  74
  75         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
  76         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
  77         * configure.in: Simplify using macros in ../common/aclocal.m4.
  78         Call AC_CHECK_HEADERS(unistd.h).
  79         * configure: Regenerated.
  80         * config.in: New file.
  81         * simops.c: #include "config.h".  #include <unistd.h> if present.
  82
  83 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
  84
  85         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
  86         (EIPC, etc): New macros for system registers.
  87         * simops.c, interp.c: Use everywhere.
  88
  89         * interp.c: Add support for interrupts issued by interrupt
  90         generators, either PC- or time-based.  Controlled by simulator
  91         command "sim interrupt".
  92
  93         * interp.c: Add support for variable-size allocation of memory,
  94         via simulator command "sim memory-map".
  95         (map): Issue SIGSEGV for references to invalid memory regions.
  96
  97 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
  98
  99         * simops.c: Include <sys/time.h> for struct timeval and
 100         struct timezone.
 101
 102 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 103
 104         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 105
 106         * simops.c (OP_10007E0): Handle SYS_time.
 107
 108 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 109
 110         * simops.c: Include <sys/stat.h>.
 111         (OP_10007E0): Handle SYS_stat.
 112
 113 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 114
 115         * simops.c (OP_10007E0): Don't declare errno.
 116
 117         * simops.c (OP_500): Mask off low bit in displacement
 118         for sld.w.
 119         (OP_501): Similarly.
 120
 121         * simops.c (OP_500): Fix displacement handling for sld.w.
 122         (OP_501): Similarly for sst.w.
 123
 124         * simops.c (trace_input): Remove all references to SEXT7.
 125         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 126         is zero extended for sst/sld instructions.
 127         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 128         was incorrect anyway).
 129
 130 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 131
 132         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 133         autoconf.
 134         * gencode.c (write_opcodes):  Pad operands field to account for
 135         MSVC braindamage.
 136         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 137         doesn't support it.  (Why is this here in the first place?!?)
 138         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 139         Change number of operands in struct simops from 9 to 6.  Define
 140         SIGTRAP and SIGQUIT for MSVC.
 141
 142 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 143
 144         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 145         * (map):  Add support for external mem in the 1->2 meg range.
 146         Also, abort() when memory access is way out of bounds.  (Better to
 147         die than to give wrong result.  (This will be fixed later.))
 148         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 149
 150 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 151
 152         * simops.c (trace_input): Swapped order of operands for output
 153         output of OP_IMM_REG.  Changed the fetching of the operands for
 154         OP_LOAD32, and OP_STORE32 to work like op-function.
 155
 156 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 157
 158         * interp.c:  Move includes of remote-sim.h and callback.h to
 159         v850-sim.h.
 160         * (lookup_hash): Add PC to report of hash failure.
 161         * (map load_mem store_mem):  New memory subsystem.  Models V851
 162         memory system.
 163         * (sim_write sim_read):  Use new memory subsystem.
 164         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 165         to make user-defined traps work right.
 166         * simops.c (OP_*):  Use new memory subsystem.
 167         * (OP_14007E0 (reti)):  Implement reti.
 168         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 169         trap 31.  Use new memory subsystem.
 170         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 171         load_mem in RLW macro.
 172
 173 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 174
 175         * gencode.c (write_opcodes):  Output hex values for opcode mask
 176         and patterns.
 177         * interp.c (sim_resume):  Save and restore PC from the appropriate
 178         register.
 179         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 180         with reading and writing registers.
 181         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 182
 183 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 184
 185         * simops.c (trace_input): Fix thinko.
 186
 187 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 188
 189         * simops.c (exec_bfd): Rename from sim_bfd.
 190         (trace_input): Ditto.
 191
 192 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 193
 194         * simops.c (trace_input): Use find_nearest_line to print line
 195         number, function name or file name of PC.
 196
 197 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 198
 199         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 200         doing hardwired shifts.
 201
 202         * configure.in (--enable-sim-cflags): Add switch to add additional
 203         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 204         tracing.
 205         * configure: Regenerate.
 206
 207         * Makefile.in: Don't require a VPATH capable make if configuring
 208         in the same directory.  Don't use CFLAGS for configuration flags.
 209         Add flags from --enable-sim-cflags.  Support canadian cross
 210         builds.  Rebuild whole simulator if include files change.
 211
 212         * interp.c (v850_debug): New global for debugging.
 213         (lookup_hash,sim_size,sim_set_profile): Use
 214         printf_filtered callback, instead of calling printf directly.
 215         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 216
 217         * v850_sim.h: Use limits.h to set the various sized types.
 218         (SEXT{5,7,16,22}): New macros.
 219
 220 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 221
 222         * interp.c (hash): Make this an inline function
 223         when compiling with GCC.  Simplify.
 224         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 225         some #if 0'd code.  Enable more emulated syscalls.
 226
 227 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 228
 229         * interp.c: Fix sign bit handling for add and sub instructions.
 230
 231 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 232
 233         * gencode.c: Fix various indention & style problems.
 234         Remove test code.  Remove #if 0 code.
 235         * interp.c: Provide prototypes for all static functions.
 236         Fix minor indention problems.
 237         (sim_open, sim_resume): Remove unused variables.
 238         (sim_read): Return type is "int".
 239         * simops.c: Remove unused variables.
 240         (divh): Make result of divide-by-zero zero.
 241         (setf): Initialize result to keep compiler quiet.
 242         (sar instructions): These just clear the overflow bit.
 243         * v850_sim.h: Provide prototypes for put_byte, put_half
 244         and put_word.
 245
 246         * interp.c: OP should be an array of 32bit operands!
 247         (v850_callback): Declare.
 248         (do_format_5): Fix extraction of OP[0].
 249         (sim_size): Remove debugging printf.
 250         (sim_set_callbacks): Do something useful.
 251         (sim_stop_reason): Gross hacks to get c-torture running.
 252         * simops.c: Simplify code for computing targets of bCC
 253         insns.   Invert 's' bit if 'ov' bit is set for some
 254         instructions.  Fix 'cy' bit handling for numerous
 255         instructions.  Make the simulator stop when a halt
 256         instruction is encountered.  Very crude support for
 257         emulated syscalls (trap 0).
 258         * v850_sim.h: Include "callback.h" and declare
 259         v850_callback.  Items in the operand array are 32bits.
 260
 261 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 262
 263         * interp.c (sim_resume): Fix code to check for a format 3
 264         opcode.
 265         * simops.c: bCC insns only argument is a constant, not a
 266         register value (duh...)
 267
 268 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 269
 270         * simops.c: Fix "not1" and "set1".
 271
 272         * simops.c: Don't forget to initialize temp for
 273         "ld.h" and "ld.w"
 274
 275         * interp.c: Remove various debugging printfs.
 276
 277         * simops.c: Fix satadd, satsub boundary case handling.
 278
 279         * interp.c (hash): Fix.
 280         * interp.c (do_format_8): Get operands correctly and
 281         call the target function.
 282         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 283
 284 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 285
 286         * interp.c (do_format_4): Get operands correctly and
 287         call the target function.
 288         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 289         "sst.h", and "sst.w".
 290
 291         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 292         accordingly.  Remove many unused definitions.
 293         * interp.c: The V850 doesn't have split I&D spaces.  Change
 294         accordingly.
 295         (get_longlong, get_longword, get_word): Deleted.
 296         (write_longlong, write_longword, write_word): Deleted.
 297         (get_operands): Deleted.
 298         (get_byte, get_half, get_word): New functions.
 299         (put_byte, put_half, put_word): New functions.
 300         * simops.c: Remove unused functions.  Rough cut at
 301         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 302
 303         * v850_sim.h (struct _state): Remove "psw" field.  Add
 304         "sregs" field.
 305         (PSW): Remove bogus definition.
 306         * simops.c: Change condition code handling to use the psw
 307         register within the sregs array.  Handle "ldsr" and "stsr".
 308
 309         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
 310
 311         * interp.c (do_format_5): Get operands correctly and
 312         call the target function.
 313         (sim_resume): Don't do a PC update for format 5 instructions.
 314         * simops.c: Handle "jarl" and "jmp" instructions.
 315
 316         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
 317         "di", and "ei" instructions correctly.
 318
 319         * interp.c (do_format_3): Get operands correctly and call
 320         the target function.
 321         * simops.c: Handle bCC instructions.
 322
 323         * simops.c: Add condition code handling to shift insns.
 324         Fix minor typos in condition code handling for other insns.
 325
 326         * Makefile.in: Fix typo.
 327         * simops.c: Add condition code handling to "sub" "subr" and
 328         "divh" instructions.
 329
 330         * interp.c (hash): Update to be more accurate.
 331         (lookup_hash): Call hash rather than computing the hash
 332         code here.
 333         (do_format_1_2): Handle format 1 and format 2 instructions.
 334         Get operands correctly and call the target function.
 335         (do_format_6): Get operands correctly and call the target
 336         function.
 337         (do_formats_9_10): Rough cut so shift ops will work.
 338         (sim_resume): Tweak to deal with format 1 and format 2
 339         handling in a single funtion.  Don't update the PC
 340         for format 3 insns.  Fix typos.
 341         * simops.c: Slightly reorganize.  Add condition code handling
 342         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
 343         and "not" instructions.
 344         * v850_sim.h (reg_t): Registers are 32bits.
 345         (_state): The V850 has 32 general registers.  Add a 32bit
 346         psw and pc register too.  Add accessor macros
 347
 348         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
 349         changes from the d10v simulator.
 350
 351         * simops.c: Add shift support.
 352
 353         * simops.c: Add multiply & divide support.  Abort for system
 354         instructions.
 355
 356         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
 357         and subr.  No condition codes yet.
 358
 359 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
 360
 361         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
 362         gencode.c, interp.c, simops.c: Created.
 363