1 Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
3 * v850.igen: Revert break value back to its old value.
5 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
7 * configure: Regenerated to track ../common/aclocal.m4 changes.
9 Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
12 * v850.igen: Added missing sanitization markers.
14 * v850.igen: Make break have a zero first field, since otherwise
15 it clashes with the DIVH instruction.
17 Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
19 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
20 sim_stopped instead of sim_signalled.
22 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
24 (illegal): Rename SIGILL to SIM_SIGILL.
26 * sim-main.h, simops.c, interp.c: Do not include signal.h.
28 * sim-main.h: Include sim-signal.h instead of signal.h.
29 (SIGTRAP, SIGQUIT): Delete definition.
30 (SIG_V850_EXIT): Delete definition.
32 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
34 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
36 Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
38 * interp.c (sim_open): Check state magic number.
39 (sim-assert.h): Include.
41 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
43 * v850.igen: Add model filter field to records.
45 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
47 * configure: Regenerated to track ../common/aclocal.m4 changes.
49 Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
51 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
52 SIM_ENGINE_RESTART_HOOK.
54 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
56 * configure: Regenerated to track ../common/aclocal.m4 changes.
58 Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
60 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
62 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
63 architecture with MSB == 31.
65 Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
67 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
69 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
71 * configure: Regenerated to track ../common/aclocal.m4 changes.
73 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
75 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
76 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
77 (SIM_EXTRA_CFLAGS): Update.
79 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
81 * configure: Regenerated to track ../common/aclocal.m4 changes.
82 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
84 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
86 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
87 * configure: Regenerated to track ../common/aclocal.m4 changes.
89 Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
91 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
92 (disp22): Only shift left by 1, not 2.
93 ("jmp"): Ensure PC is 2 byte aligned.
95 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
96 v850.igen. Fix tracing.
98 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
99 "sld.w" insns to v850.igen. Fix tracing.
100 start-sanitize-v850eq
101 (OP_70): Ditto for "sld.hu".
104 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
107 * simops.c (condition_met): Make global.
109 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
111 start-sanitize-v850eq
112 (TRACE_LD_NAME): Define.
116 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
119 Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
121 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
123 * interp.c (hash): Delete.
125 * v850.igen (nop): Really do nothing.
127 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
129 * v850.igen (reti): Return to current PC not previous.
132 Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
134 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
135 (trace_module): Global, save component/module name across insn.
137 * simops.c: Move "bsh" to v850.igen, fix.
139 * v850.igen (callt): Load correct number of bytes. Fix tracing.
140 (stsr, ldsr): Correct src, dest fields. Fix tracing.
141 (ctret): Force alignment. Fix tracing.
144 Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
146 * simops.c (trace_output): Add result argument.
147 (trace_result): New function. Simpler version of trace_output,
148 assumes trace needed.
149 (trace_output): Call trace_result.
150 (trace_output): For IMM_REG_REG, trace correct register.
151 (trace_input): Add case for 16bit immediates.
152 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
154 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
155 (trace_values, trace_name, trace_pc, trace_num_values): Make
159 v850.insn (movea, stsr): Use.
161 (sxb, sxh, zxb, zxh): Ditto.
164 Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
166 * simops.c: Move "movea" from here.
167 * v850.igen: To here.
169 * v850.igen (simm16): Define, sign extend imm16.
170 (uimm16): Define, no sign extension.
171 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
174 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
176 * v850.igen: To here.
177 (switch): Fix off by two error in NIA calc.
180 Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
182 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
184 (trace_input): Just save pc, name and values for trace_output.
185 (trace_output): Write trace values to a buffer. Use
186 trace_one_insn to print trace info and buffer.
187 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
189 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
191 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
194 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
195 instructions from here.
196 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
199 * interp.c (sim_open): Set psw_mask if machine known.
201 Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
204 * v850-dc: Add rule to diferentiate between breakpoint and divh.
205 * v850.igen (break): New instruction, breakpoint simulator.
208 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
211 Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
213 * simops.c (Multiply64): Don't store into register zero.
216 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
218 * Makefile.in (semantics.o): Add dependency.
220 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
221 do not adjust CIA/NIA.
223 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
225 start-sanitize-v850eq
226 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
228 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
229 "divun", "pushml" code from here to v850.igen.
230 (divun): Make global.
231 (type3_regs): Make global
233 * v850.igen: Move simops.c code to here.
235 * interp.c (sim_create_inferior): For v850eq set US bit by
240 * interp.c (sim_open): Don't set arch, now set by
244 * configure: Regenerated to track ../common/aclocal.m4 changes.
246 Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
248 * simops.c (op_types): Move from here.
251 * sim-main.h (trace_input, trace_output), simops.c: Make global.
253 * simops.c (OP_60): Move "jmp" code from here.
254 * v850.igen (jmp): To here.
256 start-sanitize-v850eq
257 * simops.c (OP_60): Move "sld.bu" code from here.
258 * v850.igen (sld.bu): To here.
261 Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
263 start-sanitize-v850eq
264 * v850.igen (prepare, ...): Add to v850eq architecture.
268 * interp.c (sim_open): Default to v850eq.
271 start-sanitize-v850eq
273 * interp.c (sim_open): Default to v850e.
275 * sim-main.h (signal.h): Include.
277 * v850.igen (illegal): Report/halt illegal instructions.
279 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
281 * configure.in: Add reserved bits option.
282 * configure: Regenerate.
284 Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
286 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
288 * sim-main.h (INSN_NAME):
290 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
291 (SIM_EXTRA_DEPS): Add itable.h
292 (tmp-gencode): Does not depend on simops.h
294 * sim-main.h (itable.h): Include.
295 (MAX_INSNS, INSN_NAME): Define.
297 * interp.c: Compute inttype from the interrupt_names index that
300 Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
302 * simops.c (trace_input): Use trace_printf instead of
304 (trace_output): Ditto.
305 (trace_input): Only trace when TRACE_ALU_P. Delete code
306 disasembling instruction.
307 (trace_output): Only trace when TRACE_ALU_P.
309 Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
311 * simops.c (trace_input, trace_output): Use sim_io_printf.
312 (OP_620): Pass correct argument to trace.
314 (trace_input): Obtain prog_bfd, text_start et.al from simulator
317 Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
319 * v850.igen: New file.
322 Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
325 * sim-main.h (SEXT16): Delete, use EXTEND16.
326 (SEXT8): Delete, use EXTEND8.
327 (SEXT32): Delete, used?
328 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
329 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
331 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
333 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
334 replace with TRACE_INSN_P and TRACE_ALU_P.
336 * simops.c (trace_input, trace_output): Update.
338 * interp.c (sim_engine_run): Delete.
339 (lookup_hash): Delete.
340 (sim_open): Do not fill hash table.
343 Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
345 * simops.c (OP_FFFF): Use sim_engine_halt.
349 * sim-main.h (struct sim_cpu): Delete member exception. Using
352 * interp.c (sim_info): Do not do anything in sim-info.
353 (sim_stop): Delete, replace with sim-stop.
354 (sim_stop_reason): Delete, replace with sim-reason.
356 * sim-main.h (WITH_WATCHPOINTS): Define.
357 (WITH_MODULO_MEMORY): Define
359 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
362 * interp.c (enum interrupt_cond_type): Delete.
363 (struct interrupt_generator): Delete.
364 (enum interrupt_type): Drop int_none.
365 (sim_open): Initialize WATCHPOINT module.
366 (sim_resume, sim_run): Rename sim_resume to sim_run.
367 (sim_engine_run): Replace interrupt code with call to sim-events.
368 (sim_set_interrupt): Delete.
369 (sim_parse_number): Delete.
371 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
373 * configure: Regenerated to track ../common/aclocal.m4 changes.
375 Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
377 * simops.c (fetch_argv): New function, fetch a arg vector from
380 * configure.in: Check for fork, execve, execv.
381 * configure: Regenerate.
383 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
384 T2H_4 for byte swapping.
386 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
387 put_half, put_byte): Delete.
389 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
391 * sim-main.h (load_mem, store_mem): Redefine as macros.
392 (IMEM, IMEM_IMMED): New macros - fetch instructions.
394 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
395 transfer data via a buffer.
396 (fetch_str): New function, fetch string from memory.
398 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
400 * interp.c (sim_open): Establish memory maps using sim-memopt.c
402 (sim_do_command): Print error if memory-map command is used. Call
404 (map): Delete, replaced by sim-core.
405 (sim_memory_init): Delete, replaced by sim-core.
406 (sim_set_memory_map): Delete, replaced by sim-memopt.
407 (load_mem): Delete, replaced by sim-core.
408 (store_mem): Delete, replaced by sim-core.
409 (sim_write): Delete, replaced by sim-hrw.
410 (sim_read): Delete, replaced by sim-hrw.
412 * sim-main.h (struct sim_state): Remove memory members, using
415 Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
417 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
418 * interp.c (map): Do not add to a void pointer.
420 * Makefile.in (INCLUDE): Add sim-main.h
422 * configure.in: Check for time.h
423 * configure: Re-generate.
425 * interp.c (struct interrupt_generator): Make time unsigned long,
427 (sim_resume): Make oldpc SIM_ADDR.
428 (struct hash_entry): Make mask/opcode unsigned.
430 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
432 * simops.c (utime.h): Include if available.
433 (OP_10007E0): Check for UTIME function.
434 (divun): Put parentheses around shift argument.
435 (OP_640): Put parentheses around shift argument, was wrong.
436 (OP_107F0): Return something.
438 * interp.c (sim_parse_number): Use strtoul not strtol.
439 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
441 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
442 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
443 (SIM_AC_OPTION_HOST_ENDIAN): Add.
444 (AC_CHECK_FUNCS): Add utime.
445 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
446 configure: Regenerate.
449 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
450 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
451 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
452 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
453 (SIM_ENDIAN, SIM_WARNGINS): Define.
455 * simops.c (OP_10007E0): Use sim_io_* for transfers.
457 * interp.c (sim_resume): Pass sd around.
459 * simops.c (sim-main.h): Include.
461 * gencode.c (write_template): Generate #include sim-main.h.
462 (write_opcodes): Ditto.
464 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
465 (v850_callback): Ditto.
466 (sim_kind, myname): Ditto.
467 (lookup_hash): Pass SD. Use sim_io_error.
468 (sim_set_memory_map): Pass in SD, use.
469 (init_system): Pass in SD, use.
471 (sim_set_profile): Delete.
472 (sim_set_profile_size): Delete.
473 (do_interrupt): Pass in SD, use.
474 (sim_info): Use sim_io_printf.
475 (sim_create_inferior): Reset registers. Set PC from prog_bfd
477 (sim_load): Delete, use common/sim-hload.c
478 (sim_size): Rename to sim_memory_init.
479 (sim_write): Remove call to init_system.
480 (init_system): Delete.
481 (sim_set_callbacks): Delete.
482 (sim_set_interrupt): Pass in SD, use.
483 (start_time): Delete.
485 * v850_sim.h: Remove everything except `struct simops' from here.
486 * sim-main.h: Move most to here.
487 * gencode.c: Move #includes to here.
489 * sim-main.h(struct _sim_cpu): Rename struct _state.
490 (#define PC, et.al.): Update
491 (v850_callback): Delete. Replaced with SIM_DESC arg.
492 (int8, uint8, int16, uint16, int32, uint32): Define types using
493 unsigned8 et.al from common/sim-types.h.
494 * sim-main.h (State): Define as STATE_CPU.
496 Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
498 * configure.in: Check for time, chmod.
499 * configure: Regenerate.
500 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
502 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
504 (OP_10007E0): Check the existance each SYS_* macro independantly.
506 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
508 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
510 * configure: Regenerated to track ../common/aclocal.m4 changes.
513 Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
515 * interp.c (sim_kill): Delete.
516 (sim_create_inferior): Add ABFD argument.
517 (sim_load): Move setting of PC from here.
518 (sim_create_inferior): To here.
520 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
522 * configure: Regenerated to track ../common/aclocal.m4 changes.
525 Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
527 * interp.c (sim_open): Add ABFD argument.
530 Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
532 * simops.c (bsh): Only set CY flag if either of the bottom
535 * simops.c (prepare, dispose): Lower numbered
536 registers go to higher numbered address.
538 * simops.c (unsigned divide instructions): S bit set if result has
541 start-sanitize-v850eq
542 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
543 registers go to higher numbered address.
547 Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
549 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
550 interpretation of SR bit in list18 structure.
551 start-sanitize-v850eq
552 (divn, divun): New functions to perform N step divide functions.
555 start-sanitize-v850eq
556 Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
558 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
559 with US bit set in the PSW.
562 Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
564 * interp.c (sim_resume): Opcode functions return amount to be
565 added to PC and all opcodes take a standard format in the OP[]
568 (do_format_*): Functions removed.
570 * v850_sim.h (SP, EP): New register mnemonics.
572 * gencode.c (write_header): Functions prototypes return an
575 * simops.c: Opcode functions return amount to be added to PC.
578 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
580 * simops.c: Add support for v850e instructions.
584 start-sanitize-v850eq
585 * simops.c: Add support for v850eq instructions.
588 Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
590 * interp.c (sim_open): Add callback argument.
591 (sim_set_callbacks): Delete SIM_DESC argument.
593 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
595 * configure: Regenerated to track ../common/aclocal.m4 changes.
597 Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
599 * interp.c (prog_bfd_was_opened_p): New static local.
600 (prog_bfd): New global variable.
601 (sim_open): Undo patch to add -E support.
602 (sim_close): Close prog_bfd if sim_load opened it.
603 (sim_load): Record bfd of loaded file in prog_bfd.
604 * simops.c (prog_bfd): Renamed from exec_bfd.
606 Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
608 * interp.c (sim_stop): Stub function.
610 Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
612 * Makefile.in (SIM_OBJS): Add sim-load.o.
613 * interp.c (sim_kind, myname): New static locals.
614 (sim_open): Set sim_kind, myname. Ignore -E arg.
615 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
616 load file into simulator. Set start address from bfd.
617 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
619 Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
621 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
622 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
624 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
626 * configure: Regenerated to track ../common/aclocal.m4 changes.
629 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
631 * interp.c (sim_open): New arg `kind'.
633 * configure: Regenerated to track ../common/aclocal.m4 changes.
635 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
637 * configure: Regenerated to track ../common/aclocal.m4 changes.
639 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
641 * configure: Regenerated to track ../common/aclocal.m4 changes.
643 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
645 * configure: Re-generate.
647 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
649 * configure: Regenerate to track ../common/aclocal.m4 changes.
651 Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
653 * interp.c (sim_open): New SIM_DESC result. Argument is now
655 (other sim_*): New SIM_DESC argument.
657 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
659 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
660 COMMON_{PRE,POST}_CONFIG_FRAG instead.
661 * configure.in: sinclude ../common/aclocal.m4.
662 * configure: Regenerated.
664 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
666 * configure configure.in Makefile.in: Update to new configure
667 scheme which is more compatible with WinGDB builds.
668 * configure.in: Improve comment on how to run autoconf.
669 * configure: Re-run autoconf to get new ../common/aclocal.m4.
670 * Makefile.in: Use autoconf substitution to install common
673 Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
675 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
678 Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
680 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
681 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
682 SYS_gettimeofday and SYS_utime from MSVC.
684 Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
686 * simops.c (OP_10007E0): Know that kill encodes the signal number
687 via: 0xdead0000 | signal and turn it back into a signal.
689 Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
691 * v850_sim.h (SIG_V850_EXIT): Define as -1.
693 * interp.c (sim_open): Cast calloc function.
694 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
695 program exited with the appropriate exit code.
696 (sim_set_interrupt): Declare buildargv.
698 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
699 type correct and work on big endian systems.
701 Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
703 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
704 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
705 * configure.in: Simplify using macros in ../common/aclocal.m4.
706 Call AC_CHECK_HEADERS(unistd.h).
707 * configure: Regenerated.
708 * config.in: New file.
709 * simops.c: #include "config.h". #include <unistd.h> if present.
711 Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
713 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
714 (EIPC, etc): New macros for system registers.
715 * simops.c, interp.c: Use everywhere.
717 * interp.c: Add support for interrupts issued by interrupt
718 generators, either PC- or time-based. Controlled by simulator
719 command "sim interrupt".
721 * interp.c: Add support for variable-size allocation of memory,
722 via simulator command "sim memory-map".
723 (map): Issue SIGSEGV for references to invalid memory regions.
725 Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
727 * simops.c: Include <sys/time.h> for struct timeval and
730 Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
732 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
734 * simops.c (OP_10007E0): Handle SYS_time.
736 Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
738 * simops.c: Include <sys/stat.h>.
739 (OP_10007E0): Handle SYS_stat.
741 Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
743 * simops.c (OP_10007E0): Don't declare errno.
745 * simops.c (OP_500): Mask off low bit in displacement
749 * simops.c (OP_500): Fix displacement handling for sld.w.
750 (OP_501): Similarly for sst.w.
752 * simops.c (trace_input): Remove all references to SEXT7.
753 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
754 is zero extended for sst/sld instructions.
755 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
756 was incorrect anyway).
758 Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
760 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
762 * gencode.c (write_opcodes): Pad operands field to account for
764 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
765 doesn't support it. (Why is this here in the first place?!?)
766 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
767 Change number of operands in struct simops from 9 to 6. Define
768 SIGTRAP and SIGQUIT for MSVC.
770 Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
772 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
773 * (map): Add support for external mem in the 1->2 meg range.
774 Also, abort() when memory access is way out of bounds. (Better to
775 die than to give wrong result. (This will be fixed later.))
776 * (sim_size): MEM_SIZE is now bytes, not shift factor.
778 Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
780 * simops.c (trace_input): Swapped order of operands for output
781 output of OP_IMM_REG. Changed the fetching of the operands for
782 OP_LOAD32, and OP_STORE32 to work like op-function.
784 Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
786 * interp.c: Move includes of remote-sim.h and callback.h to
788 * (lookup_hash): Add PC to report of hash failure.
789 * (map load_mem store_mem): New memory subsystem. Models V851
791 * (sim_write sim_read): Use new memory subsystem.
792 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
793 to make user-defined traps work right.
794 * simops.c (OP_*): Use new memory subsystem.
795 * (OP_14007E0 (reti)): Implement reti.
796 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
797 trap 31. Use new memory subsystem.
798 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
799 load_mem in RLW macro.
801 Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
803 * gencode.c (write_opcodes): Output hex values for opcode mask
805 * interp.c (sim_resume): Save and restore PC from the appropriate
807 * (sim_fetch_register sim_store_register): Fix byte-order problem
808 with reading and writing registers.
809 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
811 Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
813 * simops.c (trace_input): Fix thinko.
815 Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
817 * simops.c (exec_bfd): Rename from sim_bfd.
818 (trace_input): Ditto.
820 Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
822 * simops.c (trace_input): Use find_nearest_line to print line
823 number, function name or file name of PC.
825 Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
827 * simops.c: Add tracing support. Use SEXTxx macros instead of
828 doing hardwired shifts.
830 * configure.in (--enable-sim-cflags): Add switch to add additional
831 flags to simulator buld. If --enable-sim-cflags=trace, turn on
833 * configure: Regenerate.
835 * Makefile.in: Don't require a VPATH capable make if configuring
836 in the same directory. Don't use CFLAGS for configuration flags.
837 Add flags from --enable-sim-cflags. Support canadian cross
838 builds. Rebuild whole simulator if include files change.
840 * interp.c (v850_debug): New global for debugging.
841 (lookup_hash,sim_size,sim_set_profile): Use
842 printf_filtered callback, instead of calling printf directly.
843 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
845 * v850_sim.h: Use limits.h to set the various sized types.
846 (SEXT{5,7,16,22}): New macros.
848 Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
850 * interp.c (hash): Make this an inline function
851 when compiling with GCC. Simplify.
852 * simpos.c: Explicitly include "sys/syscall.h". Remove
853 some #if 0'd code. Enable more emulated syscalls.
855 Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
857 * interp.c: Fix sign bit handling for add and sub instructions.
859 Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
861 * gencode.c: Fix various indention & style problems.
862 Remove test code. Remove #if 0 code.
863 * interp.c: Provide prototypes for all static functions.
864 Fix minor indention problems.
865 (sim_open, sim_resume): Remove unused variables.
866 (sim_read): Return type is "int".
867 * simops.c: Remove unused variables.
868 (divh): Make result of divide-by-zero zero.
869 (setf): Initialize result to keep compiler quiet.
870 (sar instructions): These just clear the overflow bit.
871 * v850_sim.h: Provide prototypes for put_byte, put_half
874 * interp.c: OP should be an array of 32bit operands!
875 (v850_callback): Declare.
876 (do_format_5): Fix extraction of OP[0].
877 (sim_size): Remove debugging printf.
878 (sim_set_callbacks): Do something useful.
879 (sim_stop_reason): Gross hacks to get c-torture running.
880 * simops.c: Simplify code for computing targets of bCC
881 insns. Invert 's' bit if 'ov' bit is set for some
882 instructions. Fix 'cy' bit handling for numerous
883 instructions. Make the simulator stop when a halt
884 instruction is encountered. Very crude support for
885 emulated syscalls (trap 0).
886 * v850_sim.h: Include "callback.h" and declare
887 v850_callback. Items in the operand array are 32bits.
889 Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
891 * interp.c (sim_resume): Fix code to check for a format 3
893 * simops.c: bCC insns only argument is a constant, not a
894 register value (duh...)
896 Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
898 * simops.c: Fix "not1" and "set1".
900 * simops.c: Don't forget to initialize temp for
903 * interp.c: Remove various debugging printfs.
905 * simops.c: Fix satadd, satsub boundary case handling.
907 * interp.c (hash): Fix.
908 * interp.c (do_format_8): Get operands correctly and
909 call the target function.
910 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
912 Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
914 * interp.c (do_format_4): Get operands correctly and
915 call the target function.
916 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
917 "sst.h", and "sst.w".
919 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
920 accordingly. Remove many unused definitions.
921 * interp.c: The V850 doesn't have split I&D spaces. Change
923 (get_longlong, get_longword, get_word): Deleted.
924 (write_longlong, write_longword, write_word): Deleted.
925 (get_operands): Deleted.
926 (get_byte, get_half, get_word): New functions.
927 (put_byte, put_half, put_word): New functions.
928 * simops.c: Remove unused functions. Rough cut at
929 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
931 * v850_sim.h (struct _state): Remove "psw" field. Add
933 (PSW): Remove bogus definition.
934 * simops.c: Change condition code handling to use the psw
935 register within the sregs array. Handle "ldsr" and "stsr".
937 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
939 * interp.c (do_format_5): Get operands correctly and
940 call the target function.
941 (sim_resume): Don't do a PC update for format 5 instructions.
942 * simops.c: Handle "jarl" and "jmp" instructions.
944 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
945 "di", and "ei" instructions correctly.
947 * interp.c (do_format_3): Get operands correctly and call
949 * simops.c: Handle bCC instructions.
951 * simops.c: Add condition code handling to shift insns.
952 Fix minor typos in condition code handling for other insns.
954 * Makefile.in: Fix typo.
955 * simops.c: Add condition code handling to "sub" "subr" and
958 * interp.c (hash): Update to be more accurate.
959 (lookup_hash): Call hash rather than computing the hash
961 (do_format_1_2): Handle format 1 and format 2 instructions.
962 Get operands correctly and call the target function.
963 (do_format_6): Get operands correctly and call the target
965 (do_formats_9_10): Rough cut so shift ops will work.
966 (sim_resume): Tweak to deal with format 1 and format 2
967 handling in a single funtion. Don't update the PC
968 for format 3 insns. Fix typos.
969 * simops.c: Slightly reorganize. Add condition code handling
970 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
971 and "not" instructions.
972 * v850_sim.h (reg_t): Registers are 32bits.
973 (_state): The V850 has 32 general registers. Add a 32bit
974 psw and pc register too. Add accessor macros
976 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
977 changes from the d10v simulator.
979 * simops.c: Add shift support.
981 * simops.c: Add multiply & divide support. Abort for system
984 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
985 and subr. No condition codes yet.
987 Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
989 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
990 gencode.c, interp.c, simops.c: Created.