gencode.c: Two arg MADD should not assign result to /bin/bash.
[deliverable/binutils-gdb.git] / sim / mips / ChangeLog
CommitLineData
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1Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
2
3 * gencode.c (build_instruction): Two arg MADD should
4 not assign result to $0.
5
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6start-sanitize-r5900
7Thu Jul 10 11:58:48 1997 Andrew Cagney <cagney@critters.cygnus.com>
8
9 * gencode.c (build_instruction): For "ppac5" use unsigned
10 arrithmetic so that the sign bit doesn't smear when right shifted.
11 (build_instruction): For "pdiv" perform sign extension when
12 storing results in HI and LO.
13 (build_instructions): For "pdiv" and "pdivbw" check for
14 divide-by-zero.
15 (build_instruction): For "pmfhl.slw" update hi part of dest
16 register as well as low part.
17 (build_instruction): For "pmfhl" portably handle long long values.
18 (build_instruction): For "pmfhl.sh" correctly negative values.
19 Store half words 2 and three in the correct place.
20 (build_instruction): For "psllvw", sign extend value after shift.
21
22end-sanitize-r5900
23Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
24
25 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
26 * sim/mips/configure.in: Regenerate.
27
28Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
29
30 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
31 signed8, unsigned8 et.al. types.
32
33start-sanitize-r5900
34 * gencode.c (build_instruction): For PMULTU* do not sign extend
35 registers. Make generated code easier to debug.
36
37end-sanitize-r5900
38 * interp.c (SUB_REG_FETCH): Handle both little and big endian
39 hosts when selecting subreg.
40
41start-sanitize-r5900
42Tue Jul 8 18:07:20 1997 Andrew Cagney <cagney@andros.cygnus.com>
43
44 * gencode.c (type_for_data_len): For 32bit operations concerned
45 with overflow, perform op using 64bits.
46 (build_instruction): For PADD, always compute operation using type
47 returned by type_for_data_len.
48 (build_instruction): For PSUBU, when overflow, saturate to zero as
49 actually underflow.
50
51end-sanitize-r5900
ae19b07b
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52Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
53
649625bb 54start-sanitize-r5900
64435234
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55 * gencode.c (build_instruction): Handle "pext5" according to
56 version 1.95 of the r5900 ISA.
57
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58 * gencode.c (build_instruction): Handle "ppac5" according to
59 version 1.95 of the r5900 ISA.
649625bb 60
1e851d2c 61end-sanitize-r5900
05d1322f
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62 * interp.c (sim_engine_run): Reset the ZERO register to zero
63 regardless of FEATURE_WARN_ZERO.
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64 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
65
66Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
67
68 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
69 (SignalException): For BreakPoints ignore any mode bits and just
70 save the PC.
71 (SignalException): Always set the CAUSE register.
72
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73Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
74
75 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
76 exception has been taken.
77
78 * interp.c: Implement the ERET and mt/f sr instructions.
79
ae19b07b 80start-sanitize-r5900
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81Mon Jun 2 23:28:19 1997 Andrew Cagney <cagney@b1.cygnus.com>
82
83 * gencode.c (build_instruction): For paddu, extract unsigned
84 sub-fields.
85
86 * gencode.c (build_instruction): Saturate padds instead of padd
87 instructions.
88
89end-sanitize-r5900
90Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
91
92 * interp.c (SignalException): Don't bother restarting an
93 interrupt.
94
95Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
96
97 * interp.c (SignalException): Really take an interrupt.
98 (interrupt_event): Only deliver interrupts when enabled.
99
100Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
101
102 * interp.c (sim_info): Only print info when verbose.
103 (sim_info) Use sim_io_printf for output.
104
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105Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
106
107 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
108 mips architectures.
109
110Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
111
112 * interp.c (sim_do_command): Check for common commands if a
113 simulator specific command fails.
114
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115Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
116
117 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
118 and simBE when DEBUG is defined.
119
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120Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
121
122 * interp.c (interrupt_event): New function. Pass exception event
123 onto exception handler.
124
125 * configure.in: Check for stdlib.h.
126 * configure: Regenerate.
127
128 * gencode.c (build_instruction): Add UNUSED attribute to tempS
129 variable declaration.
130 (build_instruction): Initialize memval1.
131 (build_instruction): Add UNUSED attribute to byte, bigend,
132 reverse.
133 (build_operands): Ditto.
134
135 * interp.c: Fix GCC warnings.
136 (sim_get_quit_code): Delete.
137
138 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
139 * Makefile.in: Ditto.
140 * configure: Re-generate.
141
142 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
143
144Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
145
146 * interp.c (mips_option_handler): New function parse argumes using
147 sim-options.
148 (myname): Replace with STATE_MY_NAME.
149 (sim_open): Delete check for host endianness - performed by
150 sim_config.
151 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
152 (sim_open): Move much of the initialization from here.
153 (sim_load): To here. After the image has been loaded and
154 endianness set.
155 (sim_open): Move ColdReset from here.
156 (sim_create_inferior): To here.
157 (sim_open): Make FP check less dependant on host endianness.
158
159 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
160 run.
161 * interp.c (sim_set_callbacks): Delete.
162
163 * interp.c (membank, membank_base, membank_size): Replace with
164 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
165 (sim_open): Remove call to callback->init. gdb/run do this.
166
167 * interp.c: Update
168
169 * sim-main.h (SIM_HAVE_FLATMEM): Define.
170
171 * interp.c (big_endian_p): Delete, replaced by
172 current_target_byte_order.
173
174Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
175
176 * interp.c (host_read_long, host_read_word, host_swap_word,
177 host_swap_long): Delete. Using common sim-endian.
178 (sim_fetch_register, sim_store_register): Use H2T.
179 (pipeline_ticks): Delete. Handled by sim-events.
180 (sim_info): Update.
181 (sim_engine_run): Update.
182
183Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
184
185 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
186 reason from here.
187 (SignalException): To here. Signal using sim_engine_halt.
188 (sim_stop_reason): Delete, moved to common.
189
190Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
191
192 * interp.c (sim_open): Add callback argument.
193 (sim_set_callbacks): Delete SIM_DESC argument.
194 (sim_size): Ditto.
195
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196Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
197
198 * Makefile.in (SIM_OBJS): Add common modules.
199
200 * interp.c (sim_set_callbacks): Also set SD callback.
201 (set_endianness, xfer_*, swap_*): Delete.
202 (host_read_word, host_read_long, host_swap_word, host_swap_long):
203 Change to functions using sim-endian macros.
204 (control_c, sim_stop): Delete, use common version.
205 (simulate): Convert into.
206 (sim_engine_run): This function.
207 (sim_resume): Delete.
208
209 * interp.c (simulation): New variable - the simulator object.
210 (sim_kind): Delete global - merged into simulation.
211 (sim_load): Cleanup. Move PC assignment from here.
212 (sim_create_inferior): To here.
213
214 * sim-main.h: New file.
215 * interp.c (sim-main.h): Include.
216
217Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
218
219 * configure: Regenerated to track ../common/aclocal.m4 changes.
220
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221Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
222
223 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
224
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225Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
226
227 * gencode.c (build_instruction): DIV instructions: check
228 for division by zero and integer overflow before using
229 host's division operation.
230
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231Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
232
233 * Makefile.in (SIM_OBJS): Add sim-load.o.
234 * interp.c: #include bfd.h.
235 (target_byte_order): Delete.
236 (sim_kind, myname, big_endian_p): New static locals.
237 (sim_open): Set sim_kind, myname. Move call to set_endianness to
238 after argument parsing. Recognize -E arg, set endianness accordingly.
239 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
240 load file into simulator. Set PC from bfd.
241 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
242 (set_endianness): Use big_endian_p instead of target_byte_order.
243
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244Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
245
246 * interp.c (sim_size): Delete prototype - conflicts with
247 definition in remote-sim.h. Correct definition.
248
249Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
250
251 * configure: Regenerated to track ../common/aclocal.m4 changes.
252 * config.in: Ditto.
253
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254Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
255
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256 * interp.c (sim_open): New arg `kind'.
257
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258 * configure: Regenerated to track ../common/aclocal.m4 changes.
259
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260Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
261
262 * configure: Regenerated to track ../common/aclocal.m4 changes.
263
264Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
265
266 * interp.c (sim_open): Set optind to 0 before calling getopt.
267
268Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
269
270 * configure: Regenerated to track ../common/aclocal.m4 changes.
271
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272Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
273
274 * interp.c : Replace uses of pr_addr with pr_uword64
275 where the bit length is always 64 independent of SIM_ADDR.
276 (pr_uword64) : added.
277
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278Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
279
280 * configure: Re-generate.
281
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282Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
283
284 * configure: Regenerate to track ../common/aclocal.m4 changes.
285
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286Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
287
288 * interp.c (sim_open): New SIM_DESC result. Argument is now
289 in argv form.
290 (other sim_*): New SIM_DESC argument.
291
292start-sanitize-r5900
293Wed Feb 26 18:32:21 1997 Gavin Koch <gavin@cygnus.com>
294
295 * gencode.c (POP_AND,POP_OR,POP_NOR,POP_XOR):
296 Change values to avoid overloading DOUBLEWORD which is tested
297 for all insns.
298 * gencode.c: reinstate "offending code".
53b9417e 299
56e7c849 300end-sanitize-r5900
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301Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
302
303 * interp.c: Fix printing of addresses for non-64-bit targets.
304 (pr_addr): Add function to print address based on size.
305start-sanitize-r5900
306 * gencode.c: #ifdef out offending code until a permanent fix
307 can be added. Code is causing build errors for non-5900 mips targets.
308end-sanitize-r5900
309
310start-sanitize-r5900
311Thu Feb 20 10:40:24 1997 Gavin Koch <gavin@cetus.cygnus.com>
312
313 * gencode.c (process_instructions): Correct test for ISA dependent
314 architecture bits in isa field of MIPS_DECODE.
315
316end-sanitize-r5900
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317Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
318
319 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
320
2d18fbc6 321start-sanitize-r5900
53b9417e 322Tue Feb 18 17:03:47 1997 Gavin Koch <gavin@cygnus.com>
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323
324 * gencode.c (MIPS_DECODE): Correct instruction feature flags for
325 PMADDUW.
326
327end-sanitize-r5900
328Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
329
330 * gencode.c (build_mips16_operands): Correct computation of base
331 address for extended PC relative instruction.
332
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333start-sanitize-r5900
334Fri Feb 7 11:12:44 1997 Gavin Koch <gavin@cygnus.com>
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335
336 * Makefile.in, configure, configure.in, gencode.c,
337 interp.c, support.h: add r5900.
338
276c2d7d 339end-sanitize-r5900
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340Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
341
342 * interp.c (mips16_entry): Add support for floating point cases.
343 (SignalException): Pass floating point cases to mips16_entry.
344 (ValueFPR): Don't restrict fmt_single and fmt_word to even
345 registers.
346 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
347 or fmt_word.
348 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
349 and then set the state to fmt_uninterpreted.
350 (COP_SW): Temporarily set the state to fmt_word while calling
351 ValueFPR.
352
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353Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
354
355 * gencode.c (build_instruction): The high order may be set in the
356 comparison flags at any ISA level, not just ISA 4.
357
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358Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
359
360 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
361 COMMON_{PRE,POST}_CONFIG_FRAG instead.
362 * configure.in: sinclude ../common/aclocal.m4.
363 * configure: Regenerated.
364
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365Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
366
367 * configure: Rebuild after change to aclocal.m4.
368
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369Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
370
371 * configure configure.in Makefile.in: Update to new configure
372 scheme which is more compatible with WinGDB builds.
373 * configure.in: Improve comment on how to run autoconf.
374 * configure: Re-run autoconf to get new ../common/aclocal.m4.
375 * Makefile.in: Use autoconf substitution to install common
376 makefile fragment.
377
378Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
379
380 * gencode.c (build_instruction): Use BigEndianCPU instead of
381 ByteSwapMem.
382
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383Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
384
385 * interp.c (sim_monitor): Make output to stdout visible in
386 wingdb's I/O log window.
387
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388Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
389
390 * support.h: Undo previous change to SIGTRAP
391 and SIGQUIT values.
392
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393Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
394
395 * interp.c (store_word, load_word): New static functions.
396 (mips16_entry): New static function.
397 (SignalException): Look for mips16 entry and exit instructions.
398 (simulate): Use the correct index when setting fpr_state after
399 doing a pending move.
400
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401Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
402
403 * interp.c: Fix byte-swapping code throughout to work on
404 both little- and big-endian hosts.
405
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406Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
407
408 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
409 with gdb/config/i386/xm-windows.h.
410
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411Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
412
413 * gencode.c (build_instruction): Work around MSVC++ code gen bug
414 that messes up arithmetic shifts.
415
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416Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
417
418 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
419 SIGTRAP and SIGQUIT for _WIN32.
420
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421Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
422
423 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
424 force a 64 bit multiplication.
425 (build_instruction) [OR]: In mips16 mode, don't do anything if the
426 destination register is 0, since that is the default mips16 nop
427 instruction.
428
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429Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
430
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431 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
432 (build_endian_shift): Don't check proc64.
433 (build_instruction): Always set memval to uword64. Cast op2 to
434 uword64 when shifting it left in memory instructions. Always use
435 the same code for stores--don't special case proc64.
436
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437 * gencode.c (build_mips16_operands): Fix base PC value for PC
438 relative operands.
439 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
440 jal instruction.
441 * interp.c (simJALDELAYSLOT): Define.
442 (JALDELAYSLOT): Define.
443 (INDELAYSLOT, INJALDELAYSLOT): Define.
444 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
445
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446Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
447
448 * interp.c (sim_open): add flush_cache as a PMON routine
449 (sim_monitor): handle flush_cache by ignoring it
450
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451Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
452
453 * gencode.c (build_instruction): Use !ByteSwapMem instead of
454 BigEndianMem.
455 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
456 (BigEndianMem): Rename to ByteSwapMem and change sense.
457 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
458 BigEndianMem references to !ByteSwapMem.
459 (set_endianness): New function, with prototype.
460 (sim_open): Call set_endianness.
461 (sim_info): Use simBE instead of BigEndianMem.
462 (xfer_direct_word, xfer_direct_long, swap_direct_word,
463 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
464 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
465 ifdefs, keeping the prototype declaration.
466 (swap_word): Rewrite correctly.
467 (ColdReset): Delete references to CONFIG. Delete endianness related
468 code; moved to set_endianness.
469
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470Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
471
472 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
473 * interp.c (CHECKHILO): Define away.
474 (simSIGINT): New macro.
475 (membank_size): Increase from 1MB to 2MB.
476 (control_c): New function.
477 (sim_resume): Rename parameter signal to signal_number. Add local
478 variable prev. Call signal before and after simulate.
479 (sim_stop_reason): Add simSIGINT support.
480 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
481 functions always.
482 (sim_warning): Delete call to SignalException. Do call printf_filtered
483 if logfh is NULL.
484 (AddressTranslation): Add #ifdef DEBUG around debugging message and
485 a call to sim_warning.
486
487Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
488
489 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
490 16 bit instructions.
491
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492Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
493
494 Add support for mips16 (16 bit MIPS implementation):
495 * gencode.c (inst_type): Add mips16 instruction encoding types.
496 (GETDATASIZEINSN): Define.
497 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
498 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
499 mtlo.
500 (MIPS16_DECODE): New table, for mips16 instructions.
501 (bitmap_val): New static function.
502 (struct mips16_op): Define.
503 (mips16_op_table): New table, for mips16 operands.
504 (build_mips16_operands): New static function.
505 (process_instructions): If PC is odd, decode a mips16
506 instruction. Break out instruction handling into new
507 build_instruction function.
508 (build_instruction): New static function, broken out of
509 process_instructions. Check modifiers rather than flags for SHIFT
510 bit count and m[ft]{hi,lo} direction.
511 (usage): Pass program name to fprintf.
512 (main): Remove unused variable this_option_optind. Change
513 ``*loptarg++'' to ``loptarg++''.
514 (my_strtoul): Parenthesize && within ||.
350d33b8 515 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
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516 (simulate): If PC is odd, fetch a 16 bit instruction, and
517 increment PC by 2 rather than 4.
518 * configure.in: Add case for mips16*-*-*.
519 * configure: Rebuild.
520
521Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
522
523 * interp.c: Allow -t to enable tracing in standalone simulator.
524 Fix garbage output in trace file and error messages.
525
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526Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
527
528 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
529 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
530 * configure.in: Simplify using macros in ../common/aclocal.m4.
531 * configure: Regenerated.
532 * tconfig.in: New file.
533
534Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
535
536 * interp.c: Fix bugs in 64-bit port.
537 Use ansi function declarations for msvc compiler.
538 Initialize and test file pointer in trace code.
539 Prevent duplicate definition of LAST_EMED_REGNUM.
540
541Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
542
543 * interp.c (xfer_big_long): Prevent unwanted sign extension.
544
545Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
546
547 * interp.c (SignalException): Check for explicit terminating
548 breakpoint value.
549 * gencode.c: Pass instruction value through SignalException()
550 calls for Trap, Breakpoint and Syscall.
551
552Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
553
554 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
555 only used on those hosts that provide it.
556 * configure.in: Add sqrt() to list of functions to be checked for.
557 * config.in: Re-generated.
558 * configure: Re-generated.
559
560Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
561
562 * gencode.c (process_instructions): Call build_endian_shift when
563 expanding STORE RIGHT, to fix swr.
564 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
565 clear the high bits.
566 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
567 Fix float to int conversions to produce signed values.
568
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569Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
570
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571 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
572 (process_instructions): Correct handling of nor instruction.
573 Correct shift count for 32 bit shift instructions. Correct sign
574 extension for arithmetic shifts to not shift the number of bits in
575 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
576 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
577 Fix madd.
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578 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
579 It's OK to have a mult follow a mult. What's not OK is to have a
580 mult follow an mfhi.
458e1f58 581 (Convert): Comment out incorrect rounding code.
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583Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
584
585 * interp.c (sim_monitor): Improved monitor printf
586 simulation. Tidied up simulator warnings, and added "--log" option
587 for directing warning message output.
588 * gencode.c: Use sim_warning() rather than WARNING macro.
589
590Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
591
592 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
593 getopt1.o, rather than on gencode.c. Link objects together.
594 Don't link against -liberty.
595 (gencode.o, getopt.o, getopt1.o): New targets.
596 * gencode.c: Include <ctype.h> and "ansidecl.h".
597 (AND): Undefine after including "ansidecl.h".
598 (ULONG_MAX): Define if not defined.
599 (OP_*): Don't define macros; now defined in opcode/mips.h.
600 (main): Call my_strtoul rather than strtoul.
601 (my_strtoul): New static function.
602
603Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
604
605 * gencode.c (process_instructions): Generate word64 and uword64
606 instead of `long long' and `unsigned long long' data types.
607 * interp.c: #include sysdep.h to get signals, and define default
608 for SIGBUS.
609 * (Convert): Work around for Visual-C++ compiler bug with type
610 conversion.
611 * support.h: Make things compile under Visual-C++ by using
612 __int64 instead of `long long'. Change many refs to long long
613 into word64/uword64 typedefs.
614
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615Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
616
617 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
618 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
619 (docdir): Removed.
620 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
621 (AC_PROG_INSTALL): Added.
622 (AC_PROG_CC): Moved to before configure.host call.
623 * configure: Rebuilt.
624
625Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
626
627 * configure.in: Define @SIMCONF@ depending on mips target.
628 * configure: Rebuild.
629 * Makefile.in (run): Add @SIMCONF@ to control simulator
630 construction.
631 * gencode.c: Change LOADDRMASK to 64bit memory model only.
632 * interp.c: Remove some debugging, provide more detailed error
633 messages, update memory accesses to use LOADDRMASK.
634
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635Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
636
637 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
638 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
639 stamp-h.
640 * configure: Rebuild.
641 * config.in: New file, generated by autoheader.
642 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
643 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
644 HAVE_ANINT and HAVE_AINT, as appropriate.
645 * Makefile.in (run): Use @LIBS@ rather than -lm.
646 (interp.o): Depend upon config.h.
647 (Makefile): Just rebuild Makefile.
648 (clean): Remove stamp-h.
649 (mostlyclean): Make the same as clean, not as distclean.
650 (config.h, stamp-h): New targets.
651
652Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
653
654 * interp.c (ColdReset): Fix boolean test. Make all simulator
655 globals static.
656
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657Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
658
659 * interp.c (xfer_direct_word, xfer_direct_long,
660 swap_direct_word, swap_direct_long, xfer_big_word,
661 xfer_big_long, xfer_little_word, xfer_little_long,
662 swap_word,swap_long): Added.
663 * interp.c (ColdReset): Provide function indirection to
664 host<->simulated_target transfer routines.
665 * interp.c (sim_store_register, sim_fetch_register): Updated to
666 make use of indirected transfer routines.
667
668Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
669
670 * gencode.c (process_instructions): Ensure FP ABS instruction
671 recognised.
672 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
673 system call support.
674
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675Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
676
677 * interp.c (sim_do_command): Complain if callback structure not
678 initialised.
679
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680Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
681
682 * interp.c (Convert): Provide round-to-nearest and round-to-zero
683 support for Sun hosts.
684 * Makefile.in (gencode): Ensure the host compiler and libraries
685 used for cross-hosted build.
686
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687Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
688
689 * interp.c, gencode.c: Some more (TODO) tidying.
690
691Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
692
693 * gencode.c, interp.c: Replaced explicit long long references with
694 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
695 * support.h (SET64LO, SET64HI): Macros added.
696
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697Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
698
699 * configure: Regenerate with autoconf 2.7.
700
701Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
702
703 * interp.c (LoadMemory): Enclose text following #endif in /* */.
704 * support.h: Remove superfluous "1" from #if.
705 * support.h (CHECKSIM): Remove stray 'a' at end of line.
706
707Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
708
709 * interp.c (StoreFPR): Control UndefinedResult() call on
710 WARN_RESULT manifest.
711
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712Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
713
714 * gencode.c: Tidied instruction decoding, and added FP instruction
715 support.
716
717 * interp.c: Added dineroIII, and BSD profiling support. Also
718 run-time FP handling.
719
720Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
721
722 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
723 gencode.c, interp.c, support.h: created.
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