1 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
5 Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
7 * sim-main.h (CPU_CIA): Delete, replaced by.
8 (CIA_SET, CIA_SET): Define.
10 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
12 * configure: Regenerated to track ../common/aclocal.m4 changes.
14 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
16 * configure: Regenerated to track ../common/aclocal.m4 changes.
19 Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
21 * v850.igen: Revert break value back to its old value.
23 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
25 * configure: Regenerated to track ../common/aclocal.m4 changes.
27 Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
29 * v850.igen: Make break have a zero first field, since otherwise
30 it clashes with the DIVH instruction.
32 Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
34 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
35 sim_stopped instead of sim_signalled.
37 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
39 (illegal): Rename SIGILL to SIM_SIGILL.
41 * sim-main.h, simops.c, interp.c: Do not include signal.h.
43 * sim-main.h: Include sim-signal.h instead of signal.h.
44 (SIGTRAP, SIGQUIT): Delete definition.
45 (SIG_V850_EXIT): Delete definition.
47 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
49 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
51 Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
53 * interp.c (sim_open): Check state magic number.
54 (sim-assert.h): Include.
56 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
58 * v850.igen: Add model filter field to records.
60 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
62 * configure: Regenerated to track ../common/aclocal.m4 changes.
64 Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
66 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
67 SIM_ENGINE_RESTART_HOOK.
69 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
71 * configure: Regenerated to track ../common/aclocal.m4 changes.
73 Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
75 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
77 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
78 architecture with MSB == 31.
80 Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
82 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
84 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
86 * configure: Regenerated to track ../common/aclocal.m4 changes.
88 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
90 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
91 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
92 (SIM_EXTRA_CFLAGS): Update.
94 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
96 * configure: Regenerated to track ../common/aclocal.m4 changes.
97 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
99 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
101 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
102 * configure: Regenerated to track ../common/aclocal.m4 changes.
104 Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
106 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
107 (disp22): Only shift left by 1, not 2.
108 ("jmp"): Ensure PC is 2 byte aligned.
110 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
111 v850.igen. Fix tracing.
113 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
114 "sld.w" insns to v850.igen. Fix tracing.
116 (OP_70): Ditto for "sld.hu".
119 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
121 * simops.c (condition_met): Make global.
123 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
126 (TRACE_LD_NAME): Define.
130 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
133 Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
135 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
137 * interp.c (hash): Delete.
139 * v850.igen (nop): Really do nothing.
141 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
143 * v850.igen (reti): Return to current PC not previous.
146 Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
148 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
149 (trace_module): Global, save component/module name across insn.
151 * simops.c: Move "bsh" to v850.igen, fix.
153 * v850.igen (callt): Load correct number of bytes. Fix tracing.
154 (stsr, ldsr): Correct src, dest fields. Fix tracing.
155 (ctret): Force alignment. Fix tracing.
158 Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
160 * simops.c (trace_output): Add result argument.
161 (trace_result): New function. Simpler version of trace_output,
162 assumes trace needed.
163 (trace_output): Call trace_result.
164 (trace_output): For IMM_REG_REG, trace correct register.
165 (trace_input): Add case for 16bit immediates.
166 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
168 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
169 (trace_values, trace_name, trace_pc, trace_num_values): Make
173 v850.insn (movea, stsr): Use.
175 (sxb, sxh, zxb, zxh): Ditto.
178 Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
180 * simops.c: Move "movea" from here.
181 * v850.igen: To here.
183 * v850.igen (simm16): Define, sign extend imm16.
184 (uimm16): Define, no sign extension.
185 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
188 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
190 * v850.igen: To here.
191 (switch): Fix off by two error in NIA calc.
194 Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
196 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
198 (trace_input): Just save pc, name and values for trace_output.
199 (trace_output): Write trace values to a buffer. Use
200 trace_one_insn to print trace info and buffer.
201 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
203 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
205 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
208 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
209 instructions from here.
210 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
213 * interp.c (sim_open): Set psw_mask if machine known.
215 Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
218 * v850-dc: Add rule to diferentiate between breakpoint and divh.
219 * v850.igen (break): New instruction, breakpoint simulator.
222 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
225 Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
227 * simops.c (Multiply64): Don't store into register zero.
230 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
232 * Makefile.in (semantics.o): Add dependency.
234 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
235 do not adjust CIA/NIA.
237 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
240 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
242 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
243 "divun", "pushml" code from here to v850.igen.
244 (divun): Make global.
245 (type3_regs): Make global
247 * v850.igen: Move simops.c code to here.
249 * interp.c (sim_create_inferior): For v850eq set US bit by
252 * interp.c (sim_open): Don't set arch, now set by
256 * configure: Regenerated to track ../common/aclocal.m4 changes.
258 Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
260 * simops.c (op_types): Move from here.
263 * sim-main.h (trace_input, trace_output), simops.c: Make global.
265 * simops.c (OP_60): Move "jmp" code from here.
266 * v850.igen (jmp): To here.
269 * simops.c (OP_60): Move "sld.bu" code from here.
270 * v850.igen (sld.bu): To here.
272 Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
274 * v850.igen (prepare, ...): Add to v850eq architecture.
276 * interp.c (sim_open): Default to v850eq.
278 * interp.c (sim_open): Default to v850e.
280 * sim-main.h (signal.h): Include.
282 * v850.igen (illegal): Report/halt illegal instructions.
284 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
286 * configure.in: Add reserved bits option.
287 * configure: Regenerate.
289 Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
291 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
293 * sim-main.h (INSN_NAME):
295 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
296 (SIM_EXTRA_DEPS): Add itable.h
297 (tmp-gencode): Does not depend on simops.h
299 * sim-main.h (itable.h): Include.
300 (MAX_INSNS, INSN_NAME): Define.
302 * interp.c: Compute inttype from the interrupt_names index that
305 Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
307 * simops.c (trace_input): Use trace_printf instead of
309 (trace_output): Ditto.
310 (trace_input): Only trace when TRACE_ALU_P. Delete code
311 disasembling instruction.
312 (trace_output): Only trace when TRACE_ALU_P.
314 Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
316 * simops.c (trace_input, trace_output): Use sim_io_printf.
317 (OP_620): Pass correct argument to trace.
319 (trace_input): Obtain prog_bfd, text_start et.al from simulator
322 Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
324 * v850.igen: New file.
327 Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
330 * sim-main.h (SEXT16): Delete, use EXTEND16.
331 (SEXT8): Delete, use EXTEND8.
332 (SEXT32): Delete, used?
333 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
334 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
336 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
338 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
339 replace with TRACE_INSN_P and TRACE_ALU_P.
341 * simops.c (trace_input, trace_output): Update.
343 * interp.c (sim_engine_run): Delete.
344 (lookup_hash): Delete.
345 (sim_open): Do not fill hash table.
348 Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
350 * simops.c (OP_FFFF): Use sim_engine_halt.
354 * sim-main.h (struct sim_cpu): Delete member exception. Using
357 * interp.c (sim_info): Do not do anything in sim-info.
358 (sim_stop): Delete, replace with sim-stop.
359 (sim_stop_reason): Delete, replace with sim-reason.
361 * sim-main.h (WITH_WATCHPOINTS): Define.
362 (WITH_MODULO_MEMORY): Define
364 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
367 * interp.c (enum interrupt_cond_type): Delete.
368 (struct interrupt_generator): Delete.
369 (enum interrupt_type): Drop int_none.
370 (sim_open): Initialize WATCHPOINT module.
371 (sim_resume, sim_run): Rename sim_resume to sim_run.
372 (sim_engine_run): Replace interrupt code with call to sim-events.
373 (sim_set_interrupt): Delete.
374 (sim_parse_number): Delete.
376 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
378 * configure: Regenerated to track ../common/aclocal.m4 changes.
380 Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
382 * simops.c (fetch_argv): New function, fetch a arg vector from
385 * configure.in: Check for fork, execve, execv.
386 * configure: Regenerate.
388 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
389 T2H_4 for byte swapping.
391 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
392 put_half, put_byte): Delete.
394 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
396 * sim-main.h (load_mem, store_mem): Redefine as macros.
397 (IMEM, IMEM_IMMED): New macros - fetch instructions.
399 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
400 transfer data via a buffer.
401 (fetch_str): New function, fetch string from memory.
403 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
405 * interp.c (sim_open): Establish memory maps using sim-memopt.c
407 (sim_do_command): Print error if memory-map command is used. Call
409 (map): Delete, replaced by sim-core.
410 (sim_memory_init): Delete, replaced by sim-core.
411 (sim_set_memory_map): Delete, replaced by sim-memopt.
412 (load_mem): Delete, replaced by sim-core.
413 (store_mem): Delete, replaced by sim-core.
414 (sim_write): Delete, replaced by sim-hrw.
415 (sim_read): Delete, replaced by sim-hrw.
417 * sim-main.h (struct sim_state): Remove memory members, using
420 Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
422 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
423 * interp.c (map): Do not add to a void pointer.
425 * Makefile.in (INCLUDE): Add sim-main.h
427 * configure.in: Check for time.h
428 * configure: Re-generate.
430 * interp.c (struct interrupt_generator): Make time unsigned long,
432 (sim_resume): Make oldpc SIM_ADDR.
433 (struct hash_entry): Make mask/opcode unsigned.
435 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
437 * simops.c (utime.h): Include if available.
438 (OP_10007E0): Check for UTIME function.
439 (divun): Put parentheses around shift argument.
440 (OP_640): Put parentheses around shift argument, was wrong.
441 (OP_107F0): Return something.
443 * interp.c (sim_parse_number): Use strtoul not strtol.
444 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
446 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
447 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
448 (SIM_AC_OPTION_HOST_ENDIAN): Add.
449 (AC_CHECK_FUNCS): Add utime.
450 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
451 configure: Regenerate.
454 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
455 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
456 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
457 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
458 (SIM_ENDIAN, SIM_WARNGINS): Define.
460 * simops.c (OP_10007E0): Use sim_io_* for transfers.
462 * interp.c (sim_resume): Pass sd around.
464 * simops.c (sim-main.h): Include.
466 * gencode.c (write_template): Generate #include sim-main.h.
467 (write_opcodes): Ditto.
469 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
470 (v850_callback): Ditto.
471 (sim_kind, myname): Ditto.
472 (lookup_hash): Pass SD. Use sim_io_error.
473 (sim_set_memory_map): Pass in SD, use.
474 (init_system): Pass in SD, use.
476 (sim_set_profile): Delete.
477 (sim_set_profile_size): Delete.
478 (do_interrupt): Pass in SD, use.
479 (sim_info): Use sim_io_printf.
480 (sim_create_inferior): Reset registers. Set PC from prog_bfd
482 (sim_load): Delete, use common/sim-hload.c
483 (sim_size): Rename to sim_memory_init.
484 (sim_write): Remove call to init_system.
485 (init_system): Delete.
486 (sim_set_callbacks): Delete.
487 (sim_set_interrupt): Pass in SD, use.
488 (start_time): Delete.
490 * v850_sim.h: Remove everything except `struct simops' from here.
491 * sim-main.h: Move most to here.
492 * gencode.c: Move #includes to here.
494 * sim-main.h(struct _sim_cpu): Rename struct _state.
495 (#define PC, et.al.): Update
496 (v850_callback): Delete. Replaced with SIM_DESC arg.
497 (int8, uint8, int16, uint16, int32, uint32): Define types using
498 unsigned8 et.al from common/sim-types.h.
499 * sim-main.h (State): Define as STATE_CPU.
501 Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
503 * configure.in: Check for time, chmod.
504 * configure: Regenerate.
505 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
507 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
509 (OP_10007E0): Check the existance each SYS_* macro independantly.
511 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
513 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
515 * configure: Regenerated to track ../common/aclocal.m4 changes.
518 Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
520 * interp.c (sim_kill): Delete.
521 (sim_create_inferior): Add ABFD argument.
522 (sim_load): Move setting of PC from here.
523 (sim_create_inferior): To here.
525 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
527 * configure: Regenerated to track ../common/aclocal.m4 changes.
530 Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
532 * interp.c (sim_open): Add ABFD argument.
535 Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
537 * simops.c (bsh): Only set CY flag if either of the bottom
540 * simops.c (prepare, dispose): Lower numbered
541 registers go to higher numbered address.
543 * simops.c (unsigned divide instructions): S bit set if result has
547 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
548 registers go to higher numbered address.
550 Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
552 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
553 interpretation of SR bit in list18 structure.
554 (divn, divun): New functions to perform N step divide functions.
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.
582 * simops.c: Add support for v850eq instructions.
585 Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
587 * interp.c (sim_open): Add callback argument.
588 (sim_set_callbacks): Delete SIM_DESC argument.
590 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
592 * configure: Regenerated to track ../common/aclocal.m4 changes.
594 Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
596 * interp.c (prog_bfd_was_opened_p): New static local.
597 (prog_bfd): New global variable.
598 (sim_open): Undo patch to add -E support.
599 (sim_close): Close prog_bfd if sim_load opened it.
600 (sim_load): Record bfd of loaded file in prog_bfd.
601 * simops.c (prog_bfd): Renamed from exec_bfd.
603 Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
605 * interp.c (sim_stop): Stub function.
607 Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
609 * Makefile.in (SIM_OBJS): Add sim-load.o.
610 * interp.c (sim_kind, myname): New static locals.
611 (sim_open): Set sim_kind, myname. Ignore -E arg.
612 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
613 load file into simulator. Set start address from bfd.
614 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
616 Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
618 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
619 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
621 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
623 * configure: Regenerated to track ../common/aclocal.m4 changes.
626 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
628 * interp.c (sim_open): New arg `kind'.
630 * configure: Regenerated to track ../common/aclocal.m4 changes.
632 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
634 * configure: Regenerated to track ../common/aclocal.m4 changes.
636 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
638 * configure: Regenerated to track ../common/aclocal.m4 changes.
640 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
642 * configure: Re-generate.
644 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
646 * configure: Regenerate to track ../common/aclocal.m4 changes.
648 Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
650 * interp.c (sim_open): New SIM_DESC result. Argument is now
652 (other sim_*): New SIM_DESC argument.
654 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
656 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
657 COMMON_{PRE,POST}_CONFIG_FRAG instead.
658 * configure.in: sinclude ../common/aclocal.m4.
659 * configure: Regenerated.
661 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
663 * configure configure.in Makefile.in: Update to new configure
664 scheme which is more compatible with WinGDB builds.
665 * configure.in: Improve comment on how to run autoconf.
666 * configure: Re-run autoconf to get new ../common/aclocal.m4.
667 * Makefile.in: Use autoconf substitution to install common
670 Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
672 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
675 Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
677 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
678 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
679 SYS_gettimeofday and SYS_utime from MSVC.
681 Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
683 * simops.c (OP_10007E0): Know that kill encodes the signal number
684 via: 0xdead0000 | signal and turn it back into a signal.
686 Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
688 * v850_sim.h (SIG_V850_EXIT): Define as -1.
690 * interp.c (sim_open): Cast calloc function.
691 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
692 program exited with the appropriate exit code.
693 (sim_set_interrupt): Declare buildargv.
695 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
696 type correct and work on big endian systems.
698 Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
700 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
701 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
702 * configure.in: Simplify using macros in ../common/aclocal.m4.
703 Call AC_CHECK_HEADERS(unistd.h).
704 * configure: Regenerated.
705 * config.in: New file.
706 * simops.c: #include "config.h". #include <unistd.h> if present.
708 Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
710 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
711 (EIPC, etc): New macros for system registers.
712 * simops.c, interp.c: Use everywhere.
714 * interp.c: Add support for interrupts issued by interrupt
715 generators, either PC- or time-based. Controlled by simulator
716 command "sim interrupt".
718 * interp.c: Add support for variable-size allocation of memory,
719 via simulator command "sim memory-map".
720 (map): Issue SIGSEGV for references to invalid memory regions.
722 Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
724 * simops.c: Include <sys/time.h> for struct timeval and
727 Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
729 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
731 * simops.c (OP_10007E0): Handle SYS_time.
733 Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
735 * simops.c: Include <sys/stat.h>.
736 (OP_10007E0): Handle SYS_stat.
738 Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
740 * simops.c (OP_10007E0): Don't declare errno.
742 * simops.c (OP_500): Mask off low bit in displacement
746 * simops.c (OP_500): Fix displacement handling for sld.w.
747 (OP_501): Similarly for sst.w.
749 * simops.c (trace_input): Remove all references to SEXT7.
750 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
751 is zero extended for sst/sld instructions.
752 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
753 was incorrect anyway).
755 Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
757 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
759 * gencode.c (write_opcodes): Pad operands field to account for
761 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
762 doesn't support it. (Why is this here in the first place?!?)
763 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
764 Change number of operands in struct simops from 9 to 6. Define
765 SIGTRAP and SIGQUIT for MSVC.
767 Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
769 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
770 * (map): Add support for external mem in the 1->2 meg range.
771 Also, abort() when memory access is way out of bounds. (Better to
772 die than to give wrong result. (This will be fixed later.))
773 * (sim_size): MEM_SIZE is now bytes, not shift factor.
775 Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
777 * simops.c (trace_input): Swapped order of operands for output
778 output of OP_IMM_REG. Changed the fetching of the operands for
779 OP_LOAD32, and OP_STORE32 to work like op-function.
781 Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
783 * interp.c: Move includes of remote-sim.h and callback.h to
785 * (lookup_hash): Add PC to report of hash failure.
786 * (map load_mem store_mem): New memory subsystem. Models V851
788 * (sim_write sim_read): Use new memory subsystem.
789 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
790 to make user-defined traps work right.
791 * simops.c (OP_*): Use new memory subsystem.
792 * (OP_14007E0 (reti)): Implement reti.
793 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
794 trap 31. Use new memory subsystem.
795 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
796 load_mem in RLW macro.
798 Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
800 * gencode.c (write_opcodes): Output hex values for opcode mask
802 * interp.c (sim_resume): Save and restore PC from the appropriate
804 * (sim_fetch_register sim_store_register): Fix byte-order problem
805 with reading and writing registers.
806 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
808 Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
810 * simops.c (trace_input): Fix thinko.
812 Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
814 * simops.c (exec_bfd): Rename from sim_bfd.
815 (trace_input): Ditto.
817 Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
819 * simops.c (trace_input): Use find_nearest_line to print line
820 number, function name or file name of PC.
822 Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
824 * simops.c: Add tracing support. Use SEXTxx macros instead of
825 doing hardwired shifts.
827 * configure.in (--enable-sim-cflags): Add switch to add additional
828 flags to simulator buld. If --enable-sim-cflags=trace, turn on
830 * configure: Regenerate.
832 * Makefile.in: Don't require a VPATH capable make if configuring
833 in the same directory. Don't use CFLAGS for configuration flags.
834 Add flags from --enable-sim-cflags. Support canadian cross
835 builds. Rebuild whole simulator if include files change.
837 * interp.c (v850_debug): New global for debugging.
838 (lookup_hash,sim_size,sim_set_profile): Use
839 printf_filtered callback, instead of calling printf directly.
840 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
842 * v850_sim.h: Use limits.h to set the various sized types.
843 (SEXT{5,7,16,22}): New macros.
845 Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
847 * interp.c (hash): Make this an inline function
848 when compiling with GCC. Simplify.
849 * simpos.c: Explicitly include "sys/syscall.h". Remove
850 some #if 0'd code. Enable more emulated syscalls.
852 Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
854 * interp.c: Fix sign bit handling for add and sub instructions.
856 Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
858 * gencode.c: Fix various indention & style problems.
859 Remove test code. Remove #if 0 code.
860 * interp.c: Provide prototypes for all static functions.
861 Fix minor indention problems.
862 (sim_open, sim_resume): Remove unused variables.
863 (sim_read): Return type is "int".
864 * simops.c: Remove unused variables.
865 (divh): Make result of divide-by-zero zero.
866 (setf): Initialize result to keep compiler quiet.
867 (sar instructions): These just clear the overflow bit.
868 * v850_sim.h: Provide prototypes for put_byte, put_half
871 * interp.c: OP should be an array of 32bit operands!
872 (v850_callback): Declare.
873 (do_format_5): Fix extraction of OP[0].
874 (sim_size): Remove debugging printf.
875 (sim_set_callbacks): Do something useful.
876 (sim_stop_reason): Gross hacks to get c-torture running.
877 * simops.c: Simplify code for computing targets of bCC
878 insns. Invert 's' bit if 'ov' bit is set for some
879 instructions. Fix 'cy' bit handling for numerous
880 instructions. Make the simulator stop when a halt
881 instruction is encountered. Very crude support for
882 emulated syscalls (trap 0).
883 * v850_sim.h: Include "callback.h" and declare
884 v850_callback. Items in the operand array are 32bits.
886 Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
888 * interp.c (sim_resume): Fix code to check for a format 3
890 * simops.c: bCC insns only argument is a constant, not a
891 register value (duh...)
893 Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
895 * simops.c: Fix "not1" and "set1".
897 * simops.c: Don't forget to initialize temp for
900 * interp.c: Remove various debugging printfs.
902 * simops.c: Fix satadd, satsub boundary case handling.
904 * interp.c (hash): Fix.
905 * interp.c (do_format_8): Get operands correctly and
906 call the target function.
907 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
909 Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
911 * interp.c (do_format_4): Get operands correctly and
912 call the target function.
913 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
914 "sst.h", and "sst.w".
916 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
917 accordingly. Remove many unused definitions.
918 * interp.c: The V850 doesn't have split I&D spaces. Change
920 (get_longlong, get_longword, get_word): Deleted.
921 (write_longlong, write_longword, write_word): Deleted.
922 (get_operands): Deleted.
923 (get_byte, get_half, get_word): New functions.
924 (put_byte, put_half, put_word): New functions.
925 * simops.c: Remove unused functions. Rough cut at
926 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
928 * v850_sim.h (struct _state): Remove "psw" field. Add
930 (PSW): Remove bogus definition.
931 * simops.c: Change condition code handling to use the psw
932 register within the sregs array. Handle "ldsr" and "stsr".
934 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
936 * interp.c (do_format_5): Get operands correctly and
937 call the target function.
938 (sim_resume): Don't do a PC update for format 5 instructions.
939 * simops.c: Handle "jarl" and "jmp" instructions.
941 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
942 "di", and "ei" instructions correctly.
944 * interp.c (do_format_3): Get operands correctly and call
946 * simops.c: Handle bCC instructions.
948 * simops.c: Add condition code handling to shift insns.
949 Fix minor typos in condition code handling for other insns.
951 * Makefile.in: Fix typo.
952 * simops.c: Add condition code handling to "sub" "subr" and
955 * interp.c (hash): Update to be more accurate.
956 (lookup_hash): Call hash rather than computing the hash
958 (do_format_1_2): Handle format 1 and format 2 instructions.
959 Get operands correctly and call the target function.
960 (do_format_6): Get operands correctly and call the target
962 (do_formats_9_10): Rough cut so shift ops will work.
963 (sim_resume): Tweak to deal with format 1 and format 2
964 handling in a single funtion. Don't update the PC
965 for format 3 insns. Fix typos.
966 * simops.c: Slightly reorganize. Add condition code handling
967 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
968 and "not" instructions.
969 * v850_sim.h (reg_t): Registers are 32bits.
970 (_state): The V850 has 32 general registers. Add a 32bit
971 psw and pc register too. Add accessor macros
973 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
974 changes from the d10v simulator.
976 * simops.c: Add shift support.
978 * simops.c: Add multiply & divide support. Abort for system
981 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
982 and subr. No condition codes yet.
984 Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
986 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
987 gencode.c, interp.c, simops.c: Created.