1 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
4 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
6 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
8 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
9 * configure: Regenerated to track ../common/aclocal.m4 changes.
11 Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
13 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
14 (disp22): Only shift left by 1, not 2.
15 ("jmp"): Ensure PC is 2 byte aligned.
17 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
18 v850.igen. Fix tracing.
20 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
21 "sld.w" insns to v850.igen. Fix tracing.
23 (OP_70): Ditto for "sld.hu".
26 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
29 * simops.c (condition_met): Make global.
31 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
34 (TRACE_LD_NAME): Define.
38 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
41 Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
43 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
45 * interp.c (hash): Delete.
47 * v850.igen (nop): Really do nothing.
49 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
51 * v850.igen (reti): Return to current PC not previous.
54 Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
56 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
57 (trace_module): Global, save component/module name across insn.
59 * simops.c: Move "bsh" to v850.igen, fix.
61 * v850.igen (callt): Load correct number of bytes. Fix tracing.
62 (stsr, ldsr): Correct src, dest fields. Fix tracing.
63 (ctret): Force alignment. Fix tracing.
66 Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
68 * simops.c (trace_output): Add result argument.
69 (trace_result): New function. Simpler version of trace_output,
71 (trace_output): Call trace_result.
72 (trace_output): For IMM_REG_REG, trace correct register.
73 (trace_input): Add case for 16bit immediates.
74 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
76 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
77 (trace_values, trace_name, trace_pc, trace_num_values): Make
81 v850.insn (movea, stsr): Use.
83 (sxb, sxh, zxb, zxh): Ditto.
86 Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
88 * simops.c: Move "movea" from here.
91 * v850.igen (simm16): Define, sign extend imm16.
92 (uimm16): Define, no sign extension.
93 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
96 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
99 (switch): Fix off by two error in NIA calc.
102 Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
104 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
106 (trace_input): Just save pc, name and values for trace_output.
107 (trace_output): Write trace values to a buffer. Use
108 trace_one_insn to print trace info and buffer.
109 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
111 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
113 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
116 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
117 instructions from here.
118 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
121 * interp.c (sim_open): Set psw_mask if machine known.
123 Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
126 * v850-dc: Add rule to diferentiate between breakpoint and divh.
127 * v850.igen (break): New instruction, breakpoint simulator.
130 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
133 Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
135 * simops.c (Multiply64): Don't store into register zero.
138 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
140 * Makefile.in (semantics.o): Add dependency.
142 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
143 do not adjust CIA/NIA.
145 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
147 start-sanitize-v850eq
148 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
150 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
151 "divun", "pushml" code from here to v850.igen.
152 (divun): Make global.
153 (type3_regs): Make global
155 * v850.igen: Move simops.c code to here.
157 * interp.c (sim_create_inferior): For v850eq set US bit by
162 * interp.c (sim_open): Don't set arch, now set by
166 * configure: Regenerated to track ../common/aclocal.m4 changes.
168 Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
170 * simops.c (op_types): Move from here.
173 * sim-main.h (trace_input, trace_output), simops.c: Make global.
175 * simops.c (OP_60): Move "jmp" code from here.
176 * v850.igen (jmp): To here.
178 start-sanitize-v850eq
179 * simops.c (OP_60): Move "sld.bu" code from here.
180 * v850.igen (sld.bu): To here.
183 Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
185 start-sanitize-v850eq
186 * v850.igen (prepare, ...): Add to v850eq architecture.
190 * interp.c (sim_open): Default to v850eq.
193 start-sanitize-v850eq
195 * interp.c (sim_open): Default to v850e.
197 * sim-main.h (signal.h): Include.
199 * v850.igen (illegal): Report/halt illegal instructions.
201 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
203 * configure.in: Add reserved bits option.
204 * configure: Regenerate.
206 Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
208 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
210 * sim-main.h (INSN_NAME):
212 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
213 (SIM_EXTRA_DEPS): Add itable.h
214 (tmp-gencode): Does not depend on simops.h
216 * sim-main.h (itable.h): Include.
217 (MAX_INSNS, INSN_NAME): Define.
219 * interp.c: Compute inttype from the interrupt_names index that
222 Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
224 * simops.c (trace_input): Use trace_printf instead of
226 (trace_output): Ditto.
227 (trace_input): Only trace when TRACE_ALU_P. Delete code
228 disasembling instruction.
229 (trace_output): Only trace when TRACE_ALU_P.
231 Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
233 * simops.c (trace_input, trace_output): Use sim_io_printf.
234 (OP_620): Pass correct argument to trace.
236 (trace_input): Obtain prog_bfd, text_start et.al from simulator
239 Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
241 * v850.igen: New file.
244 Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
247 * sim-main.h (SEXT16): Delete, use EXTEND16.
248 (SEXT8): Delete, use EXTEND8.
249 (SEXT32): Delete, used?
250 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
251 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
253 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
255 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
256 replace with TRACE_INSN_P and TRACE_ALU_P.
258 * simops.c (trace_input, trace_output): Update.
260 * interp.c (sim_engine_run): Delete.
261 (lookup_hash): Delete.
262 (sim_open): Do not fill hash table.
265 Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
267 * simops.c (OP_FFFF): Use sim_engine_halt.
271 * sim-main.h (struct sim_cpu): Delete member exception. Using
274 * interp.c (sim_info): Do not do anything in sim-info.
275 (sim_stop): Delete, replace with sim-stop.
276 (sim_stop_reason): Delete, replace with sim-reason.
278 * sim-main.h (WITH_WATCHPOINTS): Define.
279 (WITH_MODULO_MEMORY): Define
281 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
284 * interp.c (enum interrupt_cond_type): Delete.
285 (struct interrupt_generator): Delete.
286 (enum interrupt_type): Drop int_none.
287 (sim_open): Initialize WATCHPOINT module.
288 (sim_resume, sim_run): Rename sim_resume to sim_run.
289 (sim_engine_run): Replace interrupt code with call to sim-events.
290 (sim_set_interrupt): Delete.
291 (sim_parse_number): Delete.
293 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
295 * configure: Regenerated to track ../common/aclocal.m4 changes.
297 Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
299 * simops.c (fetch_argv): New function, fetch a arg vector from
302 * configure.in: Check for fork, execve, execv.
303 * configure: Regenerate.
305 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
306 T2H_4 for byte swapping.
308 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
309 put_half, put_byte): Delete.
311 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
313 * sim-main.h (load_mem, store_mem): Redefine as macros.
314 (IMEM, IMEM_IMMED): New macros - fetch instructions.
316 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
317 transfer data via a buffer.
318 (fetch_str): New function, fetch string from memory.
320 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
322 * interp.c (sim_open): Establish memory maps using sim-memopt.c
324 (sim_do_command): Print error if memory-map command is used. Call
326 (map): Delete, replaced by sim-core.
327 (sim_memory_init): Delete, replaced by sim-core.
328 (sim_set_memory_map): Delete, replaced by sim-memopt.
329 (load_mem): Delete, replaced by sim-core.
330 (store_mem): Delete, replaced by sim-core.
331 (sim_write): Delete, replaced by sim-hrw.
332 (sim_read): Delete, replaced by sim-hrw.
334 * sim-main.h (struct sim_state): Remove memory members, using
337 Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
339 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
340 * interp.c (map): Do not add to a void pointer.
342 * Makefile.in (INCLUDE): Add sim-main.h
344 * configure.in: Check for time.h
345 * configure: Re-generate.
347 * interp.c (struct interrupt_generator): Make time unsigned long,
349 (sim_resume): Make oldpc SIM_ADDR.
350 (struct hash_entry): Make mask/opcode unsigned.
352 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
354 * simops.c (utime.h): Include if available.
355 (OP_10007E0): Check for UTIME function.
356 (divun): Put parentheses around shift argument.
357 (OP_640): Put parentheses around shift argument, was wrong.
358 (OP_107F0): Return something.
360 * interp.c (sim_parse_number): Use strtoul not strtol.
361 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
363 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
364 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
365 (SIM_AC_OPTION_HOST_ENDIAN): Add.
366 (AC_CHECK_FUNCS): Add utime.
367 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
368 configure: Regenerate.
371 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
372 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
373 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
374 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
375 (SIM_ENDIAN, SIM_WARNGINS): Define.
377 * simops.c (OP_10007E0): Use sim_io_* for transfers.
379 * interp.c (sim_resume): Pass sd around.
381 * simops.c (sim-main.h): Include.
383 * gencode.c (write_template): Generate #include sim-main.h.
384 (write_opcodes): Ditto.
386 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
387 (v850_callback): Ditto.
388 (sim_kind, myname): Ditto.
389 (lookup_hash): Pass SD. Use sim_io_error.
390 (sim_set_memory_map): Pass in SD, use.
391 (init_system): Pass in SD, use.
393 (sim_set_profile): Delete.
394 (sim_set_profile_size): Delete.
395 (do_interrupt): Pass in SD, use.
396 (sim_info): Use sim_io_printf.
397 (sim_create_inferior): Reset registers. Set PC from prog_bfd
399 (sim_load): Delete, use common/sim-hload.c
400 (sim_size): Rename to sim_memory_init.
401 (sim_write): Remove call to init_system.
402 (init_system): Delete.
403 (sim_set_callbacks): Delete.
404 (sim_set_interrupt): Pass in SD, use.
405 (start_time): Delete.
407 * v850_sim.h: Remove everything except `struct simops' from here.
408 * sim-main.h: Move most to here.
409 * gencode.c: Move #includes to here.
411 * sim-main.h(struct _sim_cpu): Rename struct _state.
412 (#define PC, et.al.): Update
413 (v850_callback): Delete. Replaced with SIM_DESC arg.
414 (int8, uint8, int16, uint16, int32, uint32): Define types using
415 unsigned8 et.al from common/sim-types.h.
416 * sim-main.h (State): Define as STATE_CPU.
418 Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
420 * configure.in: Check for time, chmod.
421 * configure: Regenerate.
422 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
424 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
426 (OP_10007E0): Check the existance each SYS_* macro independantly.
428 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
430 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
432 * configure: Regenerated to track ../common/aclocal.m4 changes.
435 Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
437 * interp.c (sim_kill): Delete.
438 (sim_create_inferior): Add ABFD argument.
439 (sim_load): Move setting of PC from here.
440 (sim_create_inferior): To here.
442 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
444 * configure: Regenerated to track ../common/aclocal.m4 changes.
447 Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
449 * interp.c (sim_open): Add ABFD argument.
452 Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
454 * simops.c (bsh): Only set CY flag if either of the bottom
457 * simops.c (prepare, dispose): Lower numbered
458 registers go to higher numbered address.
460 * simops.c (unsigned divide instructions): S bit set if result has
463 start-sanitize-v850eq
464 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
465 registers go to higher numbered address.
469 Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
471 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
472 interpretation of SR bit in list18 structure.
473 start-sanitize-v850eq
474 (divn, divun): New functions to perform N step divide functions.
477 start-sanitize-v850eq
478 Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
480 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
481 with US bit set in the PSW.
484 Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
486 * interp.c (sim_resume): Opcode functions return amount to be
487 added to PC and all opcodes take a standard format in the OP[]
490 (do_format_*): Functions removed.
492 * v850_sim.h (SP, EP): New register mnemonics.
494 * gencode.c (write_header): Functions prototypes return an
497 * simops.c: Opcode functions return amount to be added to PC.
500 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
502 * simops.c: Add support for v850e instructions.
506 start-sanitize-v850eq
507 * simops.c: Add support for v850eq instructions.
510 Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
512 * interp.c (sim_open): Add callback argument.
513 (sim_set_callbacks): Delete SIM_DESC argument.
515 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
517 * configure: Regenerated to track ../common/aclocal.m4 changes.
519 Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
521 * interp.c (prog_bfd_was_opened_p): New static local.
522 (prog_bfd): New global variable.
523 (sim_open): Undo patch to add -E support.
524 (sim_close): Close prog_bfd if sim_load opened it.
525 (sim_load): Record bfd of loaded file in prog_bfd.
526 * simops.c (prog_bfd): Renamed from exec_bfd.
528 Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
530 * interp.c (sim_stop): Stub function.
532 Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
534 * Makefile.in (SIM_OBJS): Add sim-load.o.
535 * interp.c (sim_kind, myname): New static locals.
536 (sim_open): Set sim_kind, myname. Ignore -E arg.
537 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
538 load file into simulator. Set start address from bfd.
539 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
541 Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
543 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
544 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
546 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
548 * configure: Regenerated to track ../common/aclocal.m4 changes.
551 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
553 * interp.c (sim_open): New arg `kind'.
555 * configure: Regenerated to track ../common/aclocal.m4 changes.
557 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
559 * configure: Regenerated to track ../common/aclocal.m4 changes.
561 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
563 * configure: Regenerated to track ../common/aclocal.m4 changes.
565 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
567 * configure: Re-generate.
569 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
571 * configure: Regenerate to track ../common/aclocal.m4 changes.
573 Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
575 * interp.c (sim_open): New SIM_DESC result. Argument is now
577 (other sim_*): New SIM_DESC argument.
579 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
581 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
582 COMMON_{PRE,POST}_CONFIG_FRAG instead.
583 * configure.in: sinclude ../common/aclocal.m4.
584 * configure: Regenerated.
586 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
588 * configure configure.in Makefile.in: Update to new configure
589 scheme which is more compatible with WinGDB builds.
590 * configure.in: Improve comment on how to run autoconf.
591 * configure: Re-run autoconf to get new ../common/aclocal.m4.
592 * Makefile.in: Use autoconf substitution to install common
595 Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
597 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
600 Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
602 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
603 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
604 SYS_gettimeofday and SYS_utime from MSVC.
606 Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
608 * simops.c (OP_10007E0): Know that kill encodes the signal number
609 via: 0xdead0000 | signal and turn it back into a signal.
611 Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
613 * v850_sim.h (SIG_V850_EXIT): Define as -1.
615 * interp.c (sim_open): Cast calloc function.
616 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
617 program exited with the appropriate exit code.
618 (sim_set_interrupt): Declare buildargv.
620 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
621 type correct and work on big endian systems.
623 Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
625 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
626 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
627 * configure.in: Simplify using macros in ../common/aclocal.m4.
628 Call AC_CHECK_HEADERS(unistd.h).
629 * configure: Regenerated.
630 * config.in: New file.
631 * simops.c: #include "config.h". #include <unistd.h> if present.
633 Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
635 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
636 (EIPC, etc): New macros for system registers.
637 * simops.c, interp.c: Use everywhere.
639 * interp.c: Add support for interrupts issued by interrupt
640 generators, either PC- or time-based. Controlled by simulator
641 command "sim interrupt".
643 * interp.c: Add support for variable-size allocation of memory,
644 via simulator command "sim memory-map".
645 (map): Issue SIGSEGV for references to invalid memory regions.
647 Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
649 * simops.c: Include <sys/time.h> for struct timeval and
652 Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
654 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
656 * simops.c (OP_10007E0): Handle SYS_time.
658 Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
660 * simops.c: Include <sys/stat.h>.
661 (OP_10007E0): Handle SYS_stat.
663 Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
665 * simops.c (OP_10007E0): Don't declare errno.
667 * simops.c (OP_500): Mask off low bit in displacement
671 * simops.c (OP_500): Fix displacement handling for sld.w.
672 (OP_501): Similarly for sst.w.
674 * simops.c (trace_input): Remove all references to SEXT7.
675 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
676 is zero extended for sst/sld instructions.
677 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
678 was incorrect anyway).
680 Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
682 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
684 * gencode.c (write_opcodes): Pad operands field to account for
686 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
687 doesn't support it. (Why is this here in the first place?!?)
688 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
689 Change number of operands in struct simops from 9 to 6. Define
690 SIGTRAP and SIGQUIT for MSVC.
692 Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
694 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
695 * (map): Add support for external mem in the 1->2 meg range.
696 Also, abort() when memory access is way out of bounds. (Better to
697 die than to give wrong result. (This will be fixed later.))
698 * (sim_size): MEM_SIZE is now bytes, not shift factor.
700 Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
702 * simops.c (trace_input): Swapped order of operands for output
703 output of OP_IMM_REG. Changed the fetching of the operands for
704 OP_LOAD32, and OP_STORE32 to work like op-function.
706 Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
708 * interp.c: Move includes of remote-sim.h and callback.h to
710 * (lookup_hash): Add PC to report of hash failure.
711 * (map load_mem store_mem): New memory subsystem. Models V851
713 * (sim_write sim_read): Use new memory subsystem.
714 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
715 to make user-defined traps work right.
716 * simops.c (OP_*): Use new memory subsystem.
717 * (OP_14007E0 (reti)): Implement reti.
718 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
719 trap 31. Use new memory subsystem.
720 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
721 load_mem in RLW macro.
723 Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
725 * gencode.c (write_opcodes): Output hex values for opcode mask
727 * interp.c (sim_resume): Save and restore PC from the appropriate
729 * (sim_fetch_register sim_store_register): Fix byte-order problem
730 with reading and writing registers.
731 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
733 Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
735 * simops.c (trace_input): Fix thinko.
737 Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
739 * simops.c (exec_bfd): Rename from sim_bfd.
740 (trace_input): Ditto.
742 Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
744 * simops.c (trace_input): Use find_nearest_line to print line
745 number, function name or file name of PC.
747 Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
749 * simops.c: Add tracing support. Use SEXTxx macros instead of
750 doing hardwired shifts.
752 * configure.in (--enable-sim-cflags): Add switch to add additional
753 flags to simulator buld. If --enable-sim-cflags=trace, turn on
755 * configure: Regenerate.
757 * Makefile.in: Don't require a VPATH capable make if configuring
758 in the same directory. Don't use CFLAGS for configuration flags.
759 Add flags from --enable-sim-cflags. Support canadian cross
760 builds. Rebuild whole simulator if include files change.
762 * interp.c (v850_debug): New global for debugging.
763 (lookup_hash,sim_size,sim_set_profile): Use
764 printf_filtered callback, instead of calling printf directly.
765 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
767 * v850_sim.h: Use limits.h to set the various sized types.
768 (SEXT{5,7,16,22}): New macros.
770 Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
772 * interp.c (hash): Make this an inline function
773 when compiling with GCC. Simplify.
774 * simpos.c: Explicitly include "sys/syscall.h". Remove
775 some #if 0'd code. Enable more emulated syscalls.
777 Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
779 * interp.c: Fix sign bit handling for add and sub instructions.
781 Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
783 * gencode.c: Fix various indention & style problems.
784 Remove test code. Remove #if 0 code.
785 * interp.c: Provide prototypes for all static functions.
786 Fix minor indention problems.
787 (sim_open, sim_resume): Remove unused variables.
788 (sim_read): Return type is "int".
789 * simops.c: Remove unused variables.
790 (divh): Make result of divide-by-zero zero.
791 (setf): Initialize result to keep compiler quiet.
792 (sar instructions): These just clear the overflow bit.
793 * v850_sim.h: Provide prototypes for put_byte, put_half
796 * interp.c: OP should be an array of 32bit operands!
797 (v850_callback): Declare.
798 (do_format_5): Fix extraction of OP[0].
799 (sim_size): Remove debugging printf.
800 (sim_set_callbacks): Do something useful.
801 (sim_stop_reason): Gross hacks to get c-torture running.
802 * simops.c: Simplify code for computing targets of bCC
803 insns. Invert 's' bit if 'ov' bit is set for some
804 instructions. Fix 'cy' bit handling for numerous
805 instructions. Make the simulator stop when a halt
806 instruction is encountered. Very crude support for
807 emulated syscalls (trap 0).
808 * v850_sim.h: Include "callback.h" and declare
809 v850_callback. Items in the operand array are 32bits.
811 Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
813 * interp.c (sim_resume): Fix code to check for a format 3
815 * simops.c: bCC insns only argument is a constant, not a
816 register value (duh...)
818 Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
820 * simops.c: Fix "not1" and "set1".
822 * simops.c: Don't forget to initialize temp for
825 * interp.c: Remove various debugging printfs.
827 * simops.c: Fix satadd, satsub boundary case handling.
829 * interp.c (hash): Fix.
830 * interp.c (do_format_8): Get operands correctly and
831 call the target function.
832 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
834 Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
836 * interp.c (do_format_4): Get operands correctly and
837 call the target function.
838 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
839 "sst.h", and "sst.w".
841 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
842 accordingly. Remove many unused definitions.
843 * interp.c: The V850 doesn't have split I&D spaces. Change
845 (get_longlong, get_longword, get_word): Deleted.
846 (write_longlong, write_longword, write_word): Deleted.
847 (get_operands): Deleted.
848 (get_byte, get_half, get_word): New functions.
849 (put_byte, put_half, put_word): New functions.
850 * simops.c: Remove unused functions. Rough cut at
851 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
853 * v850_sim.h (struct _state): Remove "psw" field. Add
855 (PSW): Remove bogus definition.
856 * simops.c: Change condition code handling to use the psw
857 register within the sregs array. Handle "ldsr" and "stsr".
859 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
861 * interp.c (do_format_5): Get operands correctly and
862 call the target function.
863 (sim_resume): Don't do a PC update for format 5 instructions.
864 * simops.c: Handle "jarl" and "jmp" instructions.
866 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
867 "di", and "ei" instructions correctly.
869 * interp.c (do_format_3): Get operands correctly and call
871 * simops.c: Handle bCC instructions.
873 * simops.c: Add condition code handling to shift insns.
874 Fix minor typos in condition code handling for other insns.
876 * Makefile.in: Fix typo.
877 * simops.c: Add condition code handling to "sub" "subr" and
880 * interp.c (hash): Update to be more accurate.
881 (lookup_hash): Call hash rather than computing the hash
883 (do_format_1_2): Handle format 1 and format 2 instructions.
884 Get operands correctly and call the target function.
885 (do_format_6): Get operands correctly and call the target
887 (do_formats_9_10): Rough cut so shift ops will work.
888 (sim_resume): Tweak to deal with format 1 and format 2
889 handling in a single funtion. Don't update the PC
890 for format 3 insns. Fix typos.
891 * simops.c: Slightly reorganize. Add condition code handling
892 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
893 and "not" instructions.
894 * v850_sim.h (reg_t): Registers are 32bits.
895 (_state): The V850 has 32 general registers. Add a 32bit
896 psw and pc register too. Add accessor macros
898 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
899 changes from the d10v simulator.
901 * simops.c: Add shift support.
903 * simops.c: Add multiply & divide support. Abort for system
906 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
907 and subr. No condition codes yet.
909 Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
911 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
912 gencode.c, interp.c, simops.c: Created.