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* config/tc-i386.c (i386_immediate): Disallow O_big immediates.
[thirdparty/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
5c44784c
JM		 1Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
2
3 * simops.c (OP_3220): Fix trace output for illegal accumulator
4 message.
5
c2c6d25f
JM		 61999-09-14 Nick Clifton <nickc@cygnus.com>
7
8 * simops.c: Disable setting of DM bit in PSW.
9
cff3e48b
JM		 10Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
11
12 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
13 (trace_input_func): Added support for OP_MEMREF3.
14 (OP_32010000): New instruction ld.
15 (OP_33010000): New instruction ld2w.
16 (OP_5209): New instruction sac.
17 (OP_4209): New instruction sachi.
18 (OP_3220): New instruction slae.
19 (OP_36010000): New instruction st.
20 (OP_37010000): New instruction st2w.
21
221999-09-09 Stan Shebs <shebs@andros.cygnus.com>
23
24 * interp.c (old_segment_mapping): New global.
25 (xfer_mem): Change the default segment mapping to be the way
26 that Mitsubishi prefers, but use the previous mapping if
27 old_segment_mapping is true.
28 (sim_open): Add an option -oldseg to get the old mapping.
29 (sim_create_inferior): Init mapping registers based on the
30 value of old_segment_mapping.
31
d4f3574e
SS		 321999-09-07 Nick Clifton <nickc@cygnus.com>
33
34 * simops.c (OP_6601): Do not write back decremented address if
35 either of the destination registers was the same as the address
36 register.
37 (OP_6201): Do not write back incremented address if either of the
38 destination registers was the same as the address register.
39
40Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
41
42 * configure: Regenerated to track ../common/aclocal.m4 changes.
43
cd0fc7c3
SS		 441999-05-08 Felix Lee <flee@cygnus.com>
45
46 * configure: Regenerated to track ../common/aclocal.m4 changes.
47
7a292a7a
SS		 481999-04-02 Keith Seitz <keiths@cygnus.com>
49
50 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
51 defined).
52 (sim_resume): If the counter has expired, call the ui_loop_hook,
53 if defined.
54 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
55 ui_loop_hook calls.
56 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
57
58Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
59
60 * simops.c: If load instruction with auto increment/decrement
61 addressing is used when the destination register is the same as
62 the address register, then ignore the auto increment/decrement.
63
64Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
65
66 * simops.c (OP_5F00): Ifdef SYS_stat case because
67 not all systems have it defined.
68
c906108c
SS		 691999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
70
71 * simops.c (OP_5607): Correct saturation comparison/assignment.
72 (OP_1201, OP_1203, OP_17001200, OP_17001202,
73 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
74 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
75
761999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
77
78 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
79 comparison.
80 (OP_5607): Ditto.
81 (OP_2A00): Ditto.
82 (OP_2800): Ditto.
83
841999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
85
86 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
87 comparison.
88
89Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
90
91 * simops.c (sys/syscall.h): Include targ-vals.h instead.
92 (SYS_*): Replace with TARGET_SYS_*.
93
94 * Makefile.in: Add dependency on targ-vals.h.
95 (NL_TARGET): Define as NL_TARGET_d10v.
96
97Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
98
99 * interp.c (xfer_mem): Missing break, instruction memory case
100 flowed into unified memory case.
101
102Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
103
104 * simops.c: If load instruction with auto increment/decrement
105 addressing is used when the destination register is the same as
106 the address register, then ignore the auto increment/decrement.
107
108Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
109
110 * configure: Regenerated to track ../common/aclocal.m4 changes.
111
112Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
113
114 * configure: Regenerated to track ../common/aclocal.m4 changes.
115 * config.in: Ditto.
116
117Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
118
119 * acconfig.h: New file.
120 * configure.in: Reverted change of Apr 24; use sinclude again.
121
122Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
123
124 * configure: Regenerated to track ../common/aclocal.m4 changes.
125 * config.in: Ditto.
126
127Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
128
129 * configure.in: Don't call sinclude.
130
131Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
132
133 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
134
135 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
136
137Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
138
139 * configure: Regenerated to track ../common/aclocal.m4 changes.
140
141Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
142
143 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
144 up-to-date CR value.
145 (OP_OP_1000000, add3): Trace inputs before performing add.
146 (OP_5F00, <*>): Trace input registers before making system call.
147 (OP_5F00, <kill>): Trace R0, R1 not REGn.
148 (OP_5F00, <getpid>): Always return 47.
149
150 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
151 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
152 back slots.
153 (struct _state): Add struct slot slot to global state variable.
154 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
155 F0, F1, C from global State variable.
156 (struct _state): Add struct trace to global State variable.
157 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
158 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
159 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
160 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
161 (JMP): Re-implement. Use SET_* to update registers.
162
163 * interp.c: Use new SET_* et.al. macros to fetch / store
164 registers.
165 (get_operands): Squirrel away trace values at start of each
166 operand decode.
167 (do_2_short): Flush pending writes before issuing second
168 instruction.
169 (sim_resume): Flush pending writes at end of instruction cycle.
170 (sim_fetch_register, sim_store_register, sim_create_inferior):
171 After scheduling updates to registers using SET_*, flush updates.
172 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
173 that each sets pc using SET_* and last SET_* eventually winds out.
174
175 * simops.c: Use new SET_* et.al. macros to fetch / store
176 registers.
177 (move_to_cr): Add MASK argument for selective update of CREG bits.
178 Re-implement using new SET_* macros.
179 (trace_output_func, trace_output): Delete. Replace with.
180 (do_trace_output_flush, trace_output_finish, trace_output_40,
181 trace_output_32, trace_output_16, trace_output_void,
182 trace_output_flag): New functions. Handle specific trace cases.
183 (OP_*): Re-write tracing to use new trace_output_* functions.
184 (OP_*): Re-write to use new SET_* et.al. macros.
185 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
186 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
187
188Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
189
190 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
191 configure: Re-generate.
192
193Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
194
195 * configure: Regenerated to track ../common/aclocal.m4 changes.
196
197Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
198
199 * configure: Regenerated to track ../common/aclocal.m4 changes.
200
201Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
202
203 * configure: Regenerated to track ../common/aclocal.m4 changes.
204
205Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
206
207 * interp.c (sim_store_register, sim_fetch_register): Pass in
208 length parameter. Return -1.
209
210Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
211
212 * (dmem_addr): If address is illegal or in I/O space, signal a bus
213 error. Allocate unified memory on demand. Fix DMEM address
214 calculations.
215
216Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
217
218 * simops.c (OP_5F20): Implement "dbt".
219 (OP_5F60): Implement "rtd".
220
221 * d10v_sim.h (DPC_CR): Define enum.
222 (DBT_VECTOR_START): Define
223 (DPSW, DPC): Define.
224
225Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
226
227 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
228 to PSW:SM.
229
230 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
231 (SP_IDX): Define.
232
233Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
234
235 * simops.c (OP_5F00): Call error instead of abort for unknown
236 syscalls.
237
238 * d10v_sim.h (enum): Define DPSW_CR.
239
240 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
241
242Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
243
244 * interp.c (sim_write_phys): Delete.
245 (sim_load): Call sim_load_file with sim_write and LMA.
246
247Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
248
249 * interp.c: Rewrite xfer_mem so that it translates addresses as -
250 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
251 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
252 memory.
253 (pc_addr): Delete.
254 (imem_addr): New function - translate IMEM address.
255 (sim_resume): Use imem_addr to translate insn address, abort if
256 translation failed.
257 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
258 argc/argv using r0/r1 not r2/r3.
259 (sim_size): Do not initialize IMAP/DMAP here.
260 (sim_open): Call sim_create_inferior and sim_size to initialize
261 the system.
262 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
263 defaults.
264 (init_system): Delete.
265 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
266 init_system.
267 (decode_pc): Check prog_bfd is defined before looking up .text
268 section.
269
270Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
271
272 * configure: Regenerated to track ../common/aclocal.m4 changes.
273
274Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
275
276 * configure: Regenerated to track ../common/aclocal.m4 changes.
277
278Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
279
280 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
281
282Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
283
284 * d10v_sim.h (DEBUG_TRAP): New debug flag.
285
286 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
287 printing the registers.
288
289Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
290
291 * simops.c (op_types): New ABI, args are r0..r3, system call # is
292 in r4.
293 (trace_{in,out}put_func): Ditto.
294 (OP_4900): Ditto.
295 (OP_24800000): Ditto.
296 (OP_4D00): Ditto.
297 (OP_5F00): Ditto.
298
299Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
300
301 * interp.c (UMEM_SEGMENTS): New define, set to 128.
302 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
303 (sim_close): Reset prog_bfd to NULL after closing it. Also
304 reset prog_bfd_was_opened_p after closing prog_bfd.
305 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
306 (sim_create_inferior): Get start address from abfd not prog_bfd.
307 (xfer_mem): Do bounds checking on addresses and return zero length
308 read/write on bad addresses, rather than aborting. Prepare to
309 be able to handle xfers that cross segment boundaries, but not
310 yet implemented. Only emit debug message when d10v_debug is
311 set as well as DEBUG being defined.
312
313Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
314
315 * configure: Regenerated to track ../common/aclocal.m4 changes.
316
317Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
318
319 * configure: Regenerated to track ../common/aclocal.m4 changes.
320 * config.in: Ditto.
321
322Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
323
324 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
325 (BPSW): Ditto for BPSW_CR and not PSW_CR.
326
327 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
328
329Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
330
331 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
332 reserved trap from 0 to 15. Add trap emulation code for 0-14.
333
334 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
335 IBA for SDBT.
336
337 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
338 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
339
340 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
341 use move_to_cr.
342 (OP_5F00): For "trap", update BPSW with move_to_cr.
343
344Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
345
346 * d10v_sim.h (enum): Enumerate CR register names.
347 (enum): Enumerate PSW bit values.
348 (PSW): Obtain value uing move_from_cr.
349 (MOD_S, MOD_E, BPSW): Make r-values.
350 (move_from_cr, move_to_cr): Declare functions.
351
352 * interp.c (sim_fetch_register, sim_store_register): Use
353 move_from_cr and move_to_cr for CR register transfers.
354
355 * simops.c (move_from_cr, move_to_cr): New functions.
356 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
357 (OP_5600): For "mvtc", use function move_to_cr.
358 (OP_5200): For "mvfc", use function move_from_cr.
359
360Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
361
362 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
363 LSbit is zero.
364
365Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
366
367 * configure: Regenerated to track ../common/aclocal.m4 changes.
368
369Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
370
371 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
372
373 * simops.c (OP_5600): For "mvtc", save PSW.DM.
374 (OP_5200): Ditto for "mvfc".
375
376Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
377
378 * d10v_sim.h (SEXT56): Define.
379
380 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
381 it is shifted.
382
383 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
384 SIGNED64 macro.
385
386Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
387
388 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
389 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
390 don't match enum values.
391
392Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
393
394 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
395 bit rather than 16 bit precision.
396 (OP_3C00): For "mulxu", store unsigned product in ACC.
397 (OP_3800): For "msbu", subtract unsigned product from ACC,
398 (OP_0): For "sub", compute carry by comparing inputs.
399
400Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
401
402 * simops.c (OP_1000): For "sub2w", compute carry by comparing
403 inputs.
404
405Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
406
407 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
408 carry indicated by value > 0xffff.
409
410Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
411
412 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
413 handled by client.
414 (sim_resume): Fix race condition of a direct assignment to
415 stop_simulator, conditionally call sim_stop.
416 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
417 stop_simulator ready for next sim_resume call.
418 (sim_ctrl_c): Delete function.
419
420Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
421
422 * interp.c (sim_resume): For "REP", only check/update the PC when
423 a branch instruction has not been executed.
424
425Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
426
427 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
428 extend bit 44 all constants.
429 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
430
431Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
432
433 * d10v_sim.h: Include sim-types.h.
434 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
435 using unsigned8 et.al. from sim-types.h.
436 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
437 SIGNED64 macro.
438
439Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
440
441 * interp.c (sim_write_phys): New function, write to physical
442 instead of virtual memory.
443
444 * interp.c (sim_load): Pass lma_p and sim_write_phys to
445 sim_load_file.
446
447Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
448
449 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
450 exception generation code to OP_6E01.
451 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
452 generation code.
453
454Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
455
456 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
457 (OP_6601): Ditto.
458
459Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
460
461 * configure: Regenerated to track ../common/aclocal.m4 changes.
462
463Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
464
465 * interp.c (pc_addr): Discard upper bit(s) of PC in case
466 IMAP1 selects unified memory.
467 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
468 for end condition.
469
470Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
471
472 * configure: Regenerated to track ../common/aclocal.m4 changes.
473
474Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
475
476 * configure: Regenerated to track ../common/aclocal.m4 changes.
477
478Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
479
480 * configure: Regenerated to track ../common/aclocal.m4 changes.
481
482Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
483
484 * configure: Regenerated to track ../common/aclocal.m4 changes.
485
486Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
487
488 * configure: Regenerated to track ../common/aclocal.m4 changes.
489
490Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
491
492 * interp.c (sim_resume): Increment PC at end of rep
493 loop.
494
495 * simops.c (OP_4201): Fix rachi instruction.
496
497Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
498
499 * configure: Regenerated to track ../common/aclocal.m4 changes.
500
501Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
502
503 * configure: Regenerated to track ../common/aclocal.m4 changes.
504 * config.in: Ditto.
505
506Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
507
508 * interp.c (sim_kill): Delete.
509 (sim_create_inferior): Add ABFD argument.
510 (sim_load): Move setting of PC from here.
511 (sim_create_inferior): To here.
512 (start_address): Delete variable.
513
514Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
515
516 * configure: Regenerated to track ../common/aclocal.m4 changes.
517 * config.in: Ditto.
518
519Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
520
521 * interp.c (sim_open): Add ABFD argument.
522
523Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
524
525 * interp.c (sim_open): Add callback argument.
526 (sim_set_callbacks): Remove SIM_DESC argument.
527
528Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
529
530 * configure: Regenerated to track ../common/aclocal.m4 changes.
531
532Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
533
534 * interp.c (sim_open): Undo patch to add -E support.
535
536Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
537
538 * interp.c (sim_stop): New function.
539
540Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
541
542 * Makefile.in (SIM_OBJS): Add sim-load.o.
543 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
544 * interp.c: #include bfd.h.
545 (myname, sim_kind, start_address): New static locals.
546 (prog_bfd_was_opened_p, prog_bfd): New static locals.
547 (decode_pc): Update to use prog_bfd.
548 (sim_open): Set sim_kind, myname. Ignore -E arg.
549 (sim_close): Close prog_bfd if simulator opened it.
550 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
551 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
552 Call sim_load_file to load file into simulator.
553 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
554
555Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
556
557 * simops.c (OP_5F00): Only provide system calls SYS_execv,
558 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
559
560Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
561
562 * configure: Regenerated to track ../common/aclocal.m4 changes.
563 * config.in: Ditto.
564
565Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
566
567 * interp.c (sim_open): New arg `kind'.
568
569 * configure: Regenerated to track ../common/aclocal.m4 changes.
570
571Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
572
573 * configure: Regenerated to track ../common/aclocal.m4 changes.
574
575Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
576
577 * configure: Re-generate.
578
579Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
580
581 * configure: Regenerate to track ../common/aclocal.m4 changes.
582
583 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
584 as trap 0, which will be deprecated. Only set errno, if an error
585 in fact was returned.
586
587Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
588
589 * interp.c: Delete redundant prototypes of sim_foo fns.
590 (sim_open): New SIM_DESC result. Argument is now in argv form.
591 (other sim_*): New SIM_DESC argument.
592
593Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
594
595 * simops.c (trace_{input,output}_func): Call flush_stdout from the
596 callback functions.
597 (OP_5F00): Ditto.
598 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
599 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
600 setting the carry bit after an add or a subtract.
601
602Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
603
604 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
605 40 bits of accumulators. Sign/zero extend as appropriate.
606
607Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
608
609 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
610 COMMON_{PRE,POST}_CONFIG_FRAG instead.
611 * configure.in: sinclude ../common/aclocal.m4.
612 * configure: Regenerated.
613
614Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
615
616 * configure configure.in Makefile.in: Update to new configure
617 scheme which is more compatible with WinGDB builds.
618 * configure.in: Improve comment on how to run autoconf.
619 * configure: Re-run autoconf to get new ../common/aclocal.m4.
620 * Makefile.in: Use autoconf substitution to install common
621 makefile fragment.
622
623Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
624
625 * gencode.c: patch to not #include "d10v_sim.h" which
626 unecessarily includes bfd.h and causes wingdb configure
627 to fail.
628
629Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
630
631 * interp.c (xfer_mem): Change unified memory to 0x0.
632
633Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
634
635 * simops.c (OP_3E01): Fix tracing information.
636 (OP_300{0,1}): Do not propigate sign.
637
638Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
639
640 * config.in (WORDS_BIGENDIAN): Add.
641 * configure: Regenerated.
642 * d10v_sim.h: #include "config.h"
643
644Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
645
646 * gencode.c (write_opcodes): Eliminate warnings when generated
647 table.c is compiled.
648
649Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
650
651 * interp.c (sim_open): Cast result of calloc, and make sure NULL
652 was not returned.
653 (dmem_addr): If address is illegal or in I/O space, signal a bus
654 error.
655 (pc_addr): Signal bus error, not illegal instruction for bogus
656 pc.
657
658Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
659
660 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
661 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
662 * configure.in: Simplify using macros in ../common/aclocal.m4.
663 Call AC_CHECK_HEADERS(unistd.h).
664 * configure: Regenerated.
665 * config.in: New file.
666 * interp.c: #include "callback.h".
667 * simops.c: #include "config.h". #include <unistd.h> if present.
668
669Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
670
671 * d10v-sim.h (simops): Add flag is_long.
672 (State): Add pc_changed. Instructions which update the PC should
673 use the JMP macro which sets this.
674 (JMP): New macro. Sets the PC and the pc_changed flag.
675
676 * gencode.c (write_opcodes): Add is_long field.
677
678 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
679 to a long opcode we could get a false match. Check the opcode size.
680 (hash): Add a size field to the hash table.
681 (sim_open): Initialize size field in hash table.
682 (sim_resume): Change to logic for setting the PC. Used to increment the
683 PC if it had not been changed. This didn't allow single-instruction loops.
684 Now checks the flag State.pc_changed. Also now stops when ^C is received.
685 (dmem_addr): Fix translation of data segments to unified memory.
686 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
687
688 * simops.c: Changed all branch and jump instructions to use new JMP macro.
689 (OP_20000000): Corrected trace information to show this is a ldi.l, not
690 a ldi.s instruction.
691
692Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
693
694 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
695 updating the accumulators was overwriting other parts of the global
696 State variable.
697
698Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
699
700 * interp.c (bfd.h) Don't include it here any more.
701 (text{,_start,_end}): Move here from simops.c and make extern.
702 (decode_pc): New function to return the PC as an address that the
703 debugger can use.
704 (dmem_addr): Print decoded PC in error message.
705 (pc_addr): Ditto.
706
707 * simops.c (bfd.h) Don't include it here any more.
708 (text{,_start,_end}): Move to simops.c.
709 (trace_input_func): Move decoding of PC, and looking up .text
710 start to decode_pc.
711
712 * d10v_sim.h (bfd.h): Include it here.
713 (text{,_start,_end}): Add external declarations.
714 (exec_bfd): Ditto.
715 (decode_pc): Ditto.
716
717Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
718
719 * interp.c (sim_size): Now allocates unified memory for imap segments
720 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
721 (sim_write): Just call xfer_mem().
722 (sim_read): Just call xfer_mem().
723 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
724 (dmem_addr): New function. Reads dmap register and translates data
725 addresses to local addresses.
726 (pc_addr): New function. Reads imap register and computes local address
727 corresponding to contents of the PC.
728 (sim_resume): Change to use pc_addr().
729 (sim_create_inferior): Change reinitialization code. Also reinitializes
730 imap[01] and dmap.
731 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
732 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
733
734 * simops.c (MEMPTR): Redefine to use dmem_addr().
735 (OP_5F00): Replace references to STate.imem with dmem_addr().
736
737 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
738 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
739 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
740
741Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
742
743 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
744 better statistics, like not counting NOPS as parallel
745 instructions, and printing total cycles.
746 (ins_type_counters): Make unsigned long.
747 (left_nops,right_nops): Fold into ins_type_counters.
748
749 * simops.c (trace_input_func): Print new instruction types.
750 Handle OP_R2R3 as input types.
751 (OP_{38000000,7000}): Correctly sign extend bytes.
752 (OP_5E00): Don't count NOPs as parallel instructions.
753 (OP_460B): Remove unused variable.
754 (OP_5F00): Ditto.
755
756 * interp.c (ins_type_counters): Make unsigned long.
757 (left_nops,right_nops): Delete.
758 (most functions): Add prototypes.
759 (INLINE): If GCC and optimize define as __inline__.
760 ({,lookup_}hash,get_operands): Declare as INLINE.
761 (do_parallel): Count conditional operations.
762 (add_commas): New function, to add commas every 3 digits.
763 (sim_size): Call add_commas to print numbers.
764 (sim_{open,resume}): Delete unused variables.
765 (sim_info): Provide better statistics.
766 (sim_read): Add int return type.
767
768Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
769
770 * interp.c (sim_resume): Change the way single-stepping and exceptions
771 are handled so single-stepping works again.
772
773Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
774
775 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
776 endian hosts.
777
778 * configure.in (--enable-sim-bswap): New switch to enable using
779 the BSWAP instruction on x86's.
780 * configure: Regenerate.
781
782 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
783 support.
784
785Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
786
787 * endian.c: New file. Move endian functions here from interp.c.
788 Optimize code, and make it work as either inline functions or as a
789 separate file.
790
791 * interp.c: Move endian functions from here to endian.c.
792
793 * Makefile.in (INCLUDE): Add endian.c.
794 (run,libsim.a): Add dependency on endian.o.
795 (endian.o): Add dependency.
796
797 * d10v_sim.h (read/write support): Always go through the machine
798 independent endian functions. If compiling with GCC and
799 optimizing, include endian.c so the endian functions are inlined.
800
801 * simops.c (OP_5F00): Correct tracing of accumulators.
802
803Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
804
805 * simops.c (OP_5F00): Add support for getpid, kill system calls.
806
807 * interp.c (do_{2_short,parallel}): If an exception is raised,
808 don't execute the second instruction.
809
810Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
811
812 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
813 temporary in case the register is overriden when loading.
814 (OP_6200): Output type is OP_DREG for tracing.
815
816Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
817
818 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
819
820 * interp.c (sim_size): Initialize mem_{min,max} fields.
821 (sim_write): Update mem_{min,max} fields.
822 (sim_resume): If PC is not in the minimum/maximum memory range,
823 abort.
824 (sim_create_inferior): Preserve mem_{min,max} fields.
825
826Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
827
828 * simops.c (OP_5F00): Add support for time() system call.
829
830Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
831
832 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
833 stored if tracing.
834 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
835 system calls.
836
837Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
838
839 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
840 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
841 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
842 to call/subroutine returns to trace the first two arguments and
843 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
844
845Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
846
847 * interp.c (sim_create_inferior): Reinitialize State every time
848 sim_create_inferior() is called.
849
850Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
851
852 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
853 on comparisons.
854 (OP_401): Fix tracing information.
855
856Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
857
858 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
859 (trace_input_func): Use them.
860 (trace_input_func): Make sure there is a trailing space after the
861 instruction.
862 (OP_6200): Fix tracing info.
863
864 * Makefile.in (run): Add dependencies on libbfd.a and
865 libiberity.a.
866
867Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
868
869 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
870 numbers and function names in debug trace.
871 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
872 DEBUG_LINE_NUMBER.
873 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
874 and exit system call trap being executed.
875
876 * interp.c (sim_stop_reason): Set exit code correctly for stop
877 instruction and exit system call trap.
878
879 * configure.in (--enable-sim-cflags): Remove trace case.
880 (--enable-sim-debug): New switch to set the debug values.
881 * configure: Regenerate.
882
883 * simops.c (trace_{input,output}_func): Rename from
884 trace_{input,output}.
885 (trace_{input,output}): Call trace_{input,output}_func if
886 d10v_debug is non-zero.
887 (SIZE_INSTRUCTION): Cut down to 8.
888 (SIZE_OPERANDS): Cut down to 18.
889 (SIZE_LOCATION): New value for size of line number, function name
890 field.
891 (init_text_p,text{,_start,_end}): New static variables for
892 printing line number and function name.
893 (exec_bfd): New external that run.c sets.
894 (trace_input_func): Print line number and function name if
895 available and if desired.
896 (OP_4E09): Don't print out DBT message.
897 (OP_5FE0): Set exception field to SIG_D10V_STOP.
898 (OP_5F00): Set exception field to SIG_D10V_EXIT.
899
900Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
901
902 * interp.c (do_2_short): If the instruction encodes jump->ins,
903 don't do the second instruction if the jump succeeds.
904
905Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
906
907 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
908 accumulators, PC, and F0/F1/C flags.
909
910Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
911
912 * simops.c (OP_5F00): Fix problems with system calls.
913
914Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
915
916 * simops.c (OP_5F00): Correct tracing information for trap.
917
918Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
919
920 * Makefile.in (CSEARCH): Correctly find opcodes directory.
921
922Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
923
924 * simops.c (trace_output): Properly align accumulator output.
925 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
926 if shift count is too high.
927 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
928 (OP_4E09): Make cpfg properly trace the input flags.
929 (op_types): Add OP_FLAG_OUTPUT.
930 (trace_{input,output}): Support OP_FLAG_OUTPUT.
931 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
932 an 8-bit memory reference instruction for tracing purposes.
933 (OP_201): Addi needs to set the carry.
934
935Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
936
937 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
938 to use signed register values.
939
940Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
941
942 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
943 output.
944 (_ins_type): New enumeration to specify which container an
945 instruction is in, and whether it is part of a parallel operation.
946 (_state): Add ins_type field.
947 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
948 (ins_type_counters): Counters for the various instruction types.
949 ({left,right}_nops): Counters for the number of nops in each
950 container.
951 (d10v_debug): New variable to indicate whether debugging is turned
952 on.
953
954 * simops.c: (all functions): Change all #ifdef DEBUG code so that
955 the input and output values can be traced, along with the
956 instruction type. Make the -t option enable tracing.
957 (all functions): Change printf calls to use the printf_filtered
958 function in the callback table.
959
960 * interp.c (_leftright): New enumeration to say whether 2 short
961 instructions are done left first or right first.
962 (do_{long,2_short,parallel}): Indicate in the machine state which
963 type of instruction this is. Count each of the types of
964 instructions executed.
965 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
966 flag is set.
967 (sim_resume): Pass left/right indication to do_2_short.
968 (all functions): Change printf calls to use the printf_filtered
969 function in the callback table.
970 (sim_trace): Turn on debug flag if DEBUG was defined, and call
971 sim_resume.
972 (sim_info): Print out statistics on instructions.
973 (sim_{trace,create_inferior}): Eliminate extraneous output unless
974 debugging.
975 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
976 Only initialize the hash table the first time sim_open is called.
977
978 * Makefile.in: Make objects depend on d10v_sim.h.
979 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
980 CFLAGS does not override host/target defines or SIM_CFLAGS.
981 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
982 (run): By default, the math library is not needed to be linked
983 in.
984 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
985 overridden.
986 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
987 makes.
988 ({run,callback}.o): Provide explicit paths to their appropriate
989 source directories.
990 (gencode{,.o},d10v-opc.o): Split compilation into creating object
991 and linking. Instead of linking in libopcodes.a, just compile
992 d10v-opc.o directly to handle canadian cross.
993 (CSEARCH): Add opcodes directory.
994
995 * configure.in (--enable-sim-cflags): New switch to allow user to
996 set the defaults.
997 (CC_FOR_BUILD): Deal with canadian crosses.
998 * configure: Regenerate.
999
1000Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1001
1002 * simops.c: Include correct syscall.h for d10v, not host's.
1003 Fix #ifdef SYS_stat.
1004
1005Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1006
1007 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1008 Add trap 2 to be printf and trap 3 to be putchar.
1009
1010Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1011
1012 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1013 for low-level system calls.
1014
1015Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1016
1017 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1018
1019Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1020
1021 * d10v_sim.h (SEXT32): Added.
1022 * interp.c: Commented out printfs.
1023 * simops.c: Fixed error in sb and st2w.
1024
1025Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1026
1027 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1028 DSP instructions. Added modulo addressing.
1029
1030Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1031
1032 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1033
1034Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1035
1036 * d10v_sim.h, simops.c: Snapshot.
1037
1038Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1039
1040 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1041 gencode.c, interp.c, simops.c: Created.
1042
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