sim/mn10300/ChangeLog

   1 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
   2
   3         * interp.c (load_mem_big): Remove function.  It's now a macro
   4         defined elsewhere.
   5         (compare_simops): New function.
   6         (sim_open): Sort the Simops table before inserting entries
   7         into the hash table.
   8         * mn10300_sim.h: Remove unused #defines.
   9         (load_mem_big): Define.
  10
  11 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
  12
  13         * interp.c (load_mem): If we get a load from an out of range
  14         address, abort.
  15         (store_mem): Likewise for stores.
  16         (max_mem): New variable.
  17
  18 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
  19
  20         * mn10300_sim.h: Fix ordering of bits in the PSW.
  21
  22         * interp.c: Improve hashing routine to avoid long list
  23         traversals for common instructions.  Add HASH_STAT support.
  24         Rewrite opcode dispatch code using a big switch instead of
  25         cascaded if/else statements.  Avoid useless calls to load_mem.
  26
  27 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
  28
  29         * mn10300_sim.h (struct _state): Add space for mdrq register.
  30         (REG_MDRQ): Define.
  31         * simops.c: Don't abort for trap.  Add support for the extended
  32         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
  33         and "bsch".
  34
  35 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
  36
  37         * configure: Regenerated to track ../common/aclocal.m4 changes.
  38
  39 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  40
  41         * interp.c (sim_stop): Add stub function.
  42
  43 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
  44
  45         * Makefile.in (SIM_OBJS): Add sim-load.o.
  46         * interp.c (sim_kind, myname): New static locals.
  47         (sim_open): Set sim_kind, myname.  Ignore -E arg.
  48         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
  49         load file into simulator.  Set start address from bfd.
  50         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
  51
  52 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  53
  54         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
  55         only include if implemented by host.
  56         (OP_F020): Typecast arg passed to time function;
  57
  58 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
  59
  60         * simops.c (syscall): Handle new mn10300 calling conventions.
  61
  62 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  63
  64         * configure: Regenerated to track ../common/aclocal.m4 changes.
  65         * config.in: Ditto.
  66
  67 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
  68
  69         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
  70         corresponding change in opcodes directory.
  71
  72 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
  73
  74         * interp.c (sim_open): New arg `kind'.
  75
  76         * configure: Regenerated to track ../common/aclocal.m4 changes.
  77
  78 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
  79
  80         * configure: Regenerated to track ../common/aclocal.m4 changes.
  81
  82 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
  83
  84         * simops.c: Fix register extraction for a two "movbu" variants.
  85         Somewhat simplify "sub" instructions.
  86         Correctly sign extend operands for "mul".  Put the correct
  87         half of the result in MDR for "mul" and "mulu".
  88         Implement remaining instructions.
  89         Tweak opcode for "syscall".
  90
  91 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
  92
  93         * simops.c: Do syscall emulation in "syscall" instruction.  Add
  94         dummy "trap" instruction.
  95
  96 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  97
  98         * configure: Regenerated to track ../common/aclocal.m4 changes.
  99
 100 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 101
 102         * configure: Re-generate.
 103
 104 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 105
 106         * configure: Regenerate to track ../common/aclocal.m4 changes.
 107
 108 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 109
 110         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 111         in argv form.
 112         (other sim_*): New SIM_DESC argument.
 113
 114 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 115
 116         * simops.c: Fix carry bit computation for "add" instructions.
 117
 118         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 119         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 120
 121 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 122
 123         * simops.c: Fix register references when computing Z and N bits
 124         for lsr imm8,dn.
 125
 126 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 127
 128         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 129         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 130         * configure.in: sinclude ../common/aclocal.m4.
 131         * configure: Regenerated.
 132
 133 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 134
 135         * interp.c (init_system): Allocate 2^19 bytes of space for the
 136         simulator.
 137
 138 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 139
 140         * configure configure.in Makefile.in:  Update to new configure
 141         scheme which is more compatible with WinGDB builds.
 142         * configure.in:  Improve comment on how to run autoconf.
 143         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 144         * Makefile.in:  Use autoconf substitution to install common
 145         makefile fragment.
 146
 147 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 148
 149         * simops.c: Undo last change to "rol" and "ror", original code
 150         was correct!
 151
 152 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 153
 154         * simops.c: Fix "rol" and "ror".
 155
 156 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 157
 158         * simops.c: Fix typo in last change.
 159
 160 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 161
 162         * simops.c: Use REG macros in few places not using them yet.
 163
 164 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 165
 166         * mn10300_sim.h (struct _state): Fix number of registers!
 167
 168 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 169
 170         * mn10300_sim.h (struct _state): Put all registers into a single
 171         array to make gdb implementation easier.
 172         (REG_*): Add definitions for all registers in the state array.
 173         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 174         * simops.c: Related changes.
 175
 176 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 177
 178         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 179
 180         * simops.c: Fix overflow computation for "add" and "inc"
 181         instructions.
 182
 183 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 184
 185         * simops.c: Handle "break" instruction.
 186
 187         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 188
 189 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 190
 191         * gencode.c (write_opcodes): Also write out the format of the
 192         opcode.
 193         * mn10300_sim.h (simops): Add "format" field.
 194         * interp.c (sim_resume): Deal with endianness issues here.
 195
 196 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 197
 198         * simops.c (REG0_4): Define.
 199         Use REG0_4 for indexed loads/stores.
 200
 201 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 202
 203         * simops.c (REG0_16): Fix typo.
 204
 205 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 206
 207         * simops.c: Call abort for any instruction that's not currently
 208         simulated.
 209
 210         * simops.c: Define accessor macros to extract register
 211         values from instructions.  Use them consistently.
 212
 213         * interp.c: Delete unused global variable "OP".
 214         (sim_resume): Remove unused variable "opcode".
 215         * simops.c: Fix some uninitialized variable problems, add
 216         parens to fix various -Wall warnings.
 217
 218         * gencode.c (write_header): Add "insn" and "extension" arguments
 219         to the OP_* declarations.
 220         (write_template): Similarly for function templates.
 221         * interp.c (insn, extension): Remove global variables.  Instead
 222         pass them as arguments to the OP_* functions.
 223         * mn10300_sim.h: Remove decls for "insn" and "extension".
 224         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 225         instead of using globals.
 226
 227 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 228
 229         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 230
 231         * simops.c: Fix thinkos in last change to "inc dn".
 232
 233 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 234
 235         * simops.c: "add imm,sp" does not effect the condition codes.
 236         "inc dn" does effect the condition codes.
 237
 238 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 239
 240         * simops.c: Treat both operands as signed values for
 241         "div" instruction.
 242
 243         * simops.c: Fix simulation of division instructions.
 244         Fix typos/thinkos in several "cmp" and "sub" instructions.
 245
 246 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 247
 248         * simops.c: Fix carry bit handling in "sub" and "cmp"
 249         instructions.
 250
 251         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 252
 253 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 254
 255         * simops.c: Fix overflow computation for many instructions.
 256
 257         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 258
 259         * simops.c: Fix "mov am, dn".
 260
 261         * simops.c: Fix more bugs in "add imm,an" and
 262         "add imm,dn".
 263
 264 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 265
 266         * simops.c: Fix bugs in "movm" and "add imm,an".
 267
 268         * simops.c: Don't lose the upper 24 bits of the return
 269         pointer in "call" and "calls" instructions.  Rough cut
 270         at emulated system calls.
 271
 272         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 273
 274         * simops.c: Implement remaining 4 byte instructions.
 275
 276         * simops.c: Implement remaining 3 byte instructions.
 277
 278         * simops.c: Implement remaining 2 byte instructions.  Call
 279         abort for instructions we're not implementing now.
 280
 281 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 282
 283         * simops.c: Implement lots of random instructions.
 284
 285         * simops.c: Implement "movm" and "bCC" insns.
 286
 287         * mn10300_sim.h (_state): Add another register (MDR).
 288         (REG_MDR): Define.
 289         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 290         a few additional random insns.
 291
 292         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 293         (REG_D0, REG_A0, REG_SP): Define.
 294         * simops.c: Implement "add", "addc" and a few other random
 295         instructions.
 296
 297         * gencode.c, interp.c: Snapshot current simulator code.
 298
 299 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 300
 301         * Makefile.in, config.in, configure, configure.in: New files.
 302         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 303