sim/v850/ChangeLog

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