1 Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
3 * Makefile.in (SIM_OBJS): Add sim-load.o.
4 * interp.c: #include bfd.h.
5 (target_byte_order): Delete.
6 (sim_kind, myname, big_endian_p): New static locals.
7 (sim_open): Set sim_kind, myname. Move call to set_endianness to
8 after argument parsing. Recognize -E arg, set endianness accordingly.
9 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
10 load file into simulator. Set PC from bfd.
11 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
12 (set_endianness): Use big_endian_p instead of target_byte_order.
14 Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
16 * interp.c (sim_size): Delete prototype - conflicts with
17 definition in remote-sim.h. Correct definition.
19 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
21 * configure: Regenerated to track ../common/aclocal.m4 changes.
24 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
26 * interp.c (sim_open): New arg `kind'.
28 * configure: Regenerated to track ../common/aclocal.m4 changes.
30 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
32 * configure: Regenerated to track ../common/aclocal.m4 changes.
34 Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
36 * interp.c (sim_open): Set optind to 0 before calling getopt.
38 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
40 * configure: Regenerated to track ../common/aclocal.m4 changes.
42 Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
44 * interp.c : Replace uses of pr_addr with pr_uword64
45 where the bit length is always 64 independent of SIM_ADDR.
48 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
50 * configure: Re-generate.
52 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
54 * configure: Regenerate to track ../common/aclocal.m4 changes.
56 Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
58 * interp.c (sim_open): New SIM_DESC result. Argument is now
60 (other sim_*): New SIM_DESC argument.
63 Wed Feb 26 18:32:21 1997 Gavin Koch <gavin@cygnus.com>
65 * gencode.c (POP_AND,POP_OR,POP_NOR,POP_XOR):
66 Change values to avoid overloading DOUBLEWORD which is tested
68 * gencode.c: reinstate "offending code".
71 Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
73 * interp.c: Fix printing of addresses for non-64-bit targets.
74 (pr_addr): Add function to print address based on size.
76 * gencode.c: #ifdef out offending code until a permanent fix
77 can be added. Code is causing build errors for non-5900 mips targets.
81 Thu Feb 20 10:40:24 1997 Gavin Koch <gavin@cetus.cygnus.com>
83 * gencode.c (process_instructions): Correct test for ISA dependent
84 architecture bits in isa field of MIPS_DECODE.
87 Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
89 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
92 Tue Feb 18 17:03:47 1997 Gavin Koch <gavin@cygnus.com>
94 * gencode.c (MIPS_DECODE): Correct instruction feature flags for
98 Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
100 * gencode.c (build_mips16_operands): Correct computation of base
101 address for extended PC relative instruction.
104 Fri Feb 7 11:12:44 1997 Gavin Koch <gavin@cygnus.com>
106 * Makefile.in, configure, configure.in, gencode.c,
107 interp.c, support.h: add r5900.
110 Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
112 * interp.c (mips16_entry): Add support for floating point cases.
113 (SignalException): Pass floating point cases to mips16_entry.
114 (ValueFPR): Don't restrict fmt_single and fmt_word to even
116 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
118 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
119 and then set the state to fmt_uninterpreted.
120 (COP_SW): Temporarily set the state to fmt_word while calling
123 Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
125 * gencode.c (build_instruction): The high order may be set in the
126 comparison flags at any ISA level, not just ISA 4.
128 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
130 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
131 COMMON_{PRE,POST}_CONFIG_FRAG instead.
132 * configure.in: sinclude ../common/aclocal.m4.
133 * configure: Regenerated.
135 Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
137 * configure: Rebuild after change to aclocal.m4.
139 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
141 * configure configure.in Makefile.in: Update to new configure
142 scheme which is more compatible with WinGDB builds.
143 * configure.in: Improve comment on how to run autoconf.
144 * configure: Re-run autoconf to get new ../common/aclocal.m4.
145 * Makefile.in: Use autoconf substitution to install common
148 Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
150 * gencode.c (build_instruction): Use BigEndianCPU instead of
153 Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
155 * interp.c (sim_monitor): Make output to stdout visible in
156 wingdb's I/O log window.
158 Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
160 * support.h: Undo previous change to SIGTRAP
163 Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
165 * interp.c (store_word, load_word): New static functions.
166 (mips16_entry): New static function.
167 (SignalException): Look for mips16 entry and exit instructions.
168 (simulate): Use the correct index when setting fpr_state after
169 doing a pending move.
171 Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
173 * interp.c: Fix byte-swapping code throughout to work on
174 both little- and big-endian hosts.
176 Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
178 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
179 with gdb/config/i386/xm-windows.h.
181 Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
183 * gencode.c (build_instruction): Work around MSVC++ code gen bug
184 that messes up arithmetic shifts.
186 Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
188 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
189 SIGTRAP and SIGQUIT for _WIN32.
191 Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
193 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
194 force a 64 bit multiplication.
195 (build_instruction) [OR]: In mips16 mode, don't do anything if the
196 destination register is 0, since that is the default mips16 nop
199 Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
201 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
202 (build_endian_shift): Don't check proc64.
203 (build_instruction): Always set memval to uword64. Cast op2 to
204 uword64 when shifting it left in memory instructions. Always use
205 the same code for stores--don't special case proc64.
207 * gencode.c (build_mips16_operands): Fix base PC value for PC
209 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
211 * interp.c (simJALDELAYSLOT): Define.
212 (JALDELAYSLOT): Define.
213 (INDELAYSLOT, INJALDELAYSLOT): Define.
214 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
216 Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
218 * interp.c (sim_open): add flush_cache as a PMON routine
219 (sim_monitor): handle flush_cache by ignoring it
221 Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
223 * gencode.c (build_instruction): Use !ByteSwapMem instead of
225 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
226 (BigEndianMem): Rename to ByteSwapMem and change sense.
227 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
228 BigEndianMem references to !ByteSwapMem.
229 (set_endianness): New function, with prototype.
230 (sim_open): Call set_endianness.
231 (sim_info): Use simBE instead of BigEndianMem.
232 (xfer_direct_word, xfer_direct_long, swap_direct_word,
233 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
234 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
235 ifdefs, keeping the prototype declaration.
236 (swap_word): Rewrite correctly.
237 (ColdReset): Delete references to CONFIG. Delete endianness related
238 code; moved to set_endianness.
240 Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
242 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
243 * interp.c (CHECKHILO): Define away.
244 (simSIGINT): New macro.
245 (membank_size): Increase from 1MB to 2MB.
246 (control_c): New function.
247 (sim_resume): Rename parameter signal to signal_number. Add local
248 variable prev. Call signal before and after simulate.
249 (sim_stop_reason): Add simSIGINT support.
250 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
252 (sim_warning): Delete call to SignalException. Do call printf_filtered
254 (AddressTranslation): Add #ifdef DEBUG around debugging message and
255 a call to sim_warning.
257 Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
259 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
262 Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
264 Add support for mips16 (16 bit MIPS implementation):
265 * gencode.c (inst_type): Add mips16 instruction encoding types.
266 (GETDATASIZEINSN): Define.
267 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
268 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
270 (MIPS16_DECODE): New table, for mips16 instructions.
271 (bitmap_val): New static function.
272 (struct mips16_op): Define.
273 (mips16_op_table): New table, for mips16 operands.
274 (build_mips16_operands): New static function.
275 (process_instructions): If PC is odd, decode a mips16
276 instruction. Break out instruction handling into new
277 build_instruction function.
278 (build_instruction): New static function, broken out of
279 process_instructions. Check modifiers rather than flags for SHIFT
280 bit count and m[ft]{hi,lo} direction.
281 (usage): Pass program name to fprintf.
282 (main): Remove unused variable this_option_optind. Change
283 ``*loptarg++'' to ``loptarg++''.
284 (my_strtoul): Parenthesize && within ||.
285 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
286 (simulate): If PC is odd, fetch a 16 bit instruction, and
287 increment PC by 2 rather than 4.
288 * configure.in: Add case for mips16*-*-*.
289 * configure: Rebuild.
291 Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
293 * interp.c: Allow -t to enable tracing in standalone simulator.
294 Fix garbage output in trace file and error messages.
296 Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
298 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
299 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
300 * configure.in: Simplify using macros in ../common/aclocal.m4.
301 * configure: Regenerated.
302 * tconfig.in: New file.
304 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
306 * interp.c: Fix bugs in 64-bit port.
307 Use ansi function declarations for msvc compiler.
308 Initialize and test file pointer in trace code.
309 Prevent duplicate definition of LAST_EMED_REGNUM.
311 Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
313 * interp.c (xfer_big_long): Prevent unwanted sign extension.
315 Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
317 * interp.c (SignalException): Check for explicit terminating
319 * gencode.c: Pass instruction value through SignalException()
320 calls for Trap, Breakpoint and Syscall.
322 Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
324 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
325 only used on those hosts that provide it.
326 * configure.in: Add sqrt() to list of functions to be checked for.
327 * config.in: Re-generated.
328 * configure: Re-generated.
330 Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
332 * gencode.c (process_instructions): Call build_endian_shift when
333 expanding STORE RIGHT, to fix swr.
334 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
336 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
337 Fix float to int conversions to produce signed values.
339 Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
341 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
342 (process_instructions): Correct handling of nor instruction.
343 Correct shift count for 32 bit shift instructions. Correct sign
344 extension for arithmetic shifts to not shift the number of bits in
345 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
346 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
348 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
349 It's OK to have a mult follow a mult. What's not OK is to have a
351 (Convert): Comment out incorrect rounding code.
353 Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
355 * interp.c (sim_monitor): Improved monitor printf
356 simulation. Tidied up simulator warnings, and added "--log" option
357 for directing warning message output.
358 * gencode.c: Use sim_warning() rather than WARNING macro.
360 Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
362 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
363 getopt1.o, rather than on gencode.c. Link objects together.
364 Don't link against -liberty.
365 (gencode.o, getopt.o, getopt1.o): New targets.
366 * gencode.c: Include <ctype.h> and "ansidecl.h".
367 (AND): Undefine after including "ansidecl.h".
368 (ULONG_MAX): Define if not defined.
369 (OP_*): Don't define macros; now defined in opcode/mips.h.
370 (main): Call my_strtoul rather than strtoul.
371 (my_strtoul): New static function.
373 Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
375 * gencode.c (process_instructions): Generate word64 and uword64
376 instead of `long long' and `unsigned long long' data types.
377 * interp.c: #include sysdep.h to get signals, and define default
379 * (Convert): Work around for Visual-C++ compiler bug with type
381 * support.h: Make things compile under Visual-C++ by using
382 __int64 instead of `long long'. Change many refs to long long
383 into word64/uword64 typedefs.
385 Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
387 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
388 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
390 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
391 (AC_PROG_INSTALL): Added.
392 (AC_PROG_CC): Moved to before configure.host call.
393 * configure: Rebuilt.
395 Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
397 * configure.in: Define @SIMCONF@ depending on mips target.
398 * configure: Rebuild.
399 * Makefile.in (run): Add @SIMCONF@ to control simulator
401 * gencode.c: Change LOADDRMASK to 64bit memory model only.
402 * interp.c: Remove some debugging, provide more detailed error
403 messages, update memory accesses to use LOADDRMASK.
405 Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
407 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
408 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
410 * configure: Rebuild.
411 * config.in: New file, generated by autoheader.
412 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
413 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
414 HAVE_ANINT and HAVE_AINT, as appropriate.
415 * Makefile.in (run): Use @LIBS@ rather than -lm.
416 (interp.o): Depend upon config.h.
417 (Makefile): Just rebuild Makefile.
418 (clean): Remove stamp-h.
419 (mostlyclean): Make the same as clean, not as distclean.
420 (config.h, stamp-h): New targets.
422 Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
424 * interp.c (ColdReset): Fix boolean test. Make all simulator
427 Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
429 * interp.c (xfer_direct_word, xfer_direct_long,
430 swap_direct_word, swap_direct_long, xfer_big_word,
431 xfer_big_long, xfer_little_word, xfer_little_long,
432 swap_word,swap_long): Added.
433 * interp.c (ColdReset): Provide function indirection to
434 host<->simulated_target transfer routines.
435 * interp.c (sim_store_register, sim_fetch_register): Updated to
436 make use of indirected transfer routines.
438 Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
440 * gencode.c (process_instructions): Ensure FP ABS instruction
442 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
445 Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
447 * interp.c (sim_do_command): Complain if callback structure not
450 Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
452 * interp.c (Convert): Provide round-to-nearest and round-to-zero
453 support for Sun hosts.
454 * Makefile.in (gencode): Ensure the host compiler and libraries
455 used for cross-hosted build.
457 Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
459 * interp.c, gencode.c: Some more (TODO) tidying.
461 Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
463 * gencode.c, interp.c: Replaced explicit long long references with
464 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
465 * support.h (SET64LO, SET64HI): Macros added.
467 Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
469 * configure: Regenerate with autoconf 2.7.
471 Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
473 * interp.c (LoadMemory): Enclose text following #endif in /* */.
474 * support.h: Remove superfluous "1" from #if.
475 * support.h (CHECKSIM): Remove stray 'a' at end of line.
477 Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
479 * interp.c (StoreFPR): Control UndefinedResult() call on
480 WARN_RESULT manifest.
482 Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
484 * gencode.c: Tidied instruction decoding, and added FP instruction
487 * interp.c: Added dineroIII, and BSD profiling support. Also
488 run-time FP handling.
490 Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
492 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
493 gencode.c, interp.c, support.h: created.