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* configure: Regenerated to track ../common/aclocal.m4 changes.
[deliverable/binutils-gdb.git] / sim / d10v / ChangeLog
... / ...
CommitLineData
1Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
2
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
4 * config.in: Ditto.
5
6Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
7
8 * acconfig.h: New file.
9 * configure.in: Reverted change of Apr 24; use sinclude again.
10
11Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
12
13 * configure: Regenerated to track ../common/aclocal.m4 changes.
14 * config.in: Ditto.
15
16Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
17
18 * configure.in: Don't call sinclude.
19
20Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
21
22 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
23
24 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
25
26Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
27
28 * configure: Regenerated to track ../common/aclocal.m4 changes.
29
30Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
31
32 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
33 up-to-date CR value.
34 (OP_OP_1000000, add3): Trace inputs before performing add.
35 (OP_5F00, <*>): Trace input registers before making system call.
36 (OP_5F00, <kill>): Trace R0, R1 not REGn.
37 (OP_5F00, <getpid>): Always return 47.
38
39 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
40 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
41 back slots.
42 (struct _state): Add struct slot slot to global state variable.
43 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
44 F0, F1, C from global State variable.
45 (struct _state): Add struct trace to global State variable.
46 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
47 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
48 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
49 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
50 (JMP): Re-implement. Use SET_* to update registers.
51
52 * interp.c: Use new SET_* et.al. macros to fetch / store
53 registers.
54 (get_operands): Squirrel away trace values at start of each
55 operand decode.
56 (do_2_short): Flush pending writes before issuing second
57 instruction.
58 (sim_resume): Flush pending writes at end of instruction cycle.
59 (sim_fetch_register, sim_store_register, sim_create_inferior):
60 After scheduling updates to registers using SET_*, flush updates.
61 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
62 that each sets pc using SET_* and last SET_* eventually winds out.
63
64 * simops.c: Use new SET_* et.al. macros to fetch / store
65 registers.
66 (move_to_cr): Add MASK argument for selective update of CREG bits.
67 Re-implement using new SET_* macros.
68 (trace_output_func, trace_output): Delete. Replace with.
69 (do_trace_output_flush, trace_output_finish, trace_output_40,
70 trace_output_32, trace_output_16, trace_output_void,
71 trace_output_flag): New functions. Handle specific trace cases.
72 (OP_*): Re-write tracing to use new trace_output_* functions.
73 (OP_*): Re-write to use new SET_* et.al. macros.
74 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
75 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
76
77Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
78
79 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
80 configure: Re-generate.
81
82Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
83
84 * configure: Regenerated to track ../common/aclocal.m4 changes.
85
86Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
87
88 * configure: Regenerated to track ../common/aclocal.m4 changes.
89
90Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
91
92 * configure: Regenerated to track ../common/aclocal.m4 changes.
93
94Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
95
96 * interp.c (sim_store_register, sim_fetch_register): Pass in
97 length parameter. Return -1.
98
99Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
100
101 * (dmem_addr): If address is illegal or in I/O space, signal a bus
102 error. Allocate unified memory on demand. Fix DMEM address
103 calculations.
104
105Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
106
107 * simops.c (OP_5F20): Implement "dbt".
108 (OP_5F60): Implement "rtd".
109
110 * d10v_sim.h (DPC_CR): Define enum.
111 (DBT_VECTOR_START): Define
112 (DPSW, DPC): Define.
113
114Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
115
116 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
117 to PSW:SM.
118
119 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
120 (SP_IDX): Define.
121
122Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
123
124 * simops.c (OP_5F00): Call error instead of abort for unknown
125 syscalls.
126
127 * d10v_sim.h (enum): Define DPSW_CR.
128
129 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
130
131Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
132
133 * interp.c (sim_write_phys): Delete.
134 (sim_load): Call sim_load_file with sim_write and LMA.
135
136Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
137
138 * interp.c: Rewrite xfer_mem so that it translates addresses as -
139 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
140 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
141 memory.
142 (pc_addr): Delete.
143 (imem_addr): New function - translate IMEM address.
144 (sim_resume): Use imem_addr to translate insn address, abort if
145 translation failed.
146 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
147 argc/argv using r0/r1 not r2/r3.
148 (sim_size): Do not initialize IMAP/DMAP here.
149 (sim_open): Call sim_create_inferior and sim_size to initialize
150 the system.
151 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
152 defaults.
153 (init_system): Delete.
154 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
155 init_system.
156 (decode_pc): Check prog_bfd is defined before looking up .text
157 section.
158
159Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
160
161 * configure: Regenerated to track ../common/aclocal.m4 changes.
162
163Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
164
165 * configure: Regenerated to track ../common/aclocal.m4 changes.
166
167Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
168
169 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
170
171Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
172
173 * d10v_sim.h (DEBUG_TRAP): New debug flag.
174
175 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
176 printing the registers.
177
178Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
179
180 * simops.c (op_types): New ABI, args are r0..r3, system call # is
181 in r4.
182 (trace_{in,out}put_func): Ditto.
183 (OP_4900): Ditto.
184 (OP_24800000): Ditto.
185 (OP_4D00): Ditto.
186 (OP_5F00): Ditto.
187
188Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
189
190 * interp.c (UMEM_SEGMENTS): New define, set to 128.
191 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
192 (sim_close): Reset prog_bfd to NULL after closing it. Also
193 reset prog_bfd_was_opened_p after closing prog_bfd.
194 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
195 (sim_create_inferior): Get start address from abfd not prog_bfd.
196 (xfer_mem): Do bounds checking on addresses and return zero length
197 read/write on bad addresses, rather than aborting. Prepare to
198 be able to handle xfers that cross segment boundaries, but not
199 yet implemented. Only emit debug message when d10v_debug is
200 set as well as DEBUG being defined.
201
202Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
203
204 * configure: Regenerated to track ../common/aclocal.m4 changes.
205
206Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
207
208 * configure: Regenerated to track ../common/aclocal.m4 changes.
209 * config.in: Ditto.
210
211Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
212
213 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
214 (BPSW): Ditto for BPSW_CR and not PSW_CR.
215
216 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
217
218Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
219
220 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
221 reserved trap from 0 to 15. Add trap emulation code for 0-14.
222
223 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
224 IBA for SDBT.
225
226 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
227 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
228
229 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
230 use move_to_cr.
231 (OP_5F00): For "trap", update BPSW with move_to_cr.
232
233Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
234
235 * d10v_sim.h (enum): Enumerate CR register names.
236 (enum): Enumerate PSW bit values.
237 (PSW): Obtain value uing move_from_cr.
238 (MOD_S, MOD_E, BPSW): Make r-values.
239 (move_from_cr, move_to_cr): Declare functions.
240
241 * interp.c (sim_fetch_register, sim_store_register): Use
242 move_from_cr and move_to_cr for CR register transfers.
243
244 * simops.c (move_from_cr, move_to_cr): New functions.
245 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
246 (OP_5600): For "mvtc", use function move_to_cr.
247 (OP_5200): For "mvfc", use function move_from_cr.
248
249Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
250
251 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
252 LSbit is zero.
253
254Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
255
256 * configure: Regenerated to track ../common/aclocal.m4 changes.
257
258Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
259
260 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
261
262 * simops.c (OP_5600): For "mvtc", save PSW.DM.
263 (OP_5200): Ditto for "mvfc".
264
265Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
266
267 * d10v_sim.h (SEXT56): Define.
268
269 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
270 it is shifted.
271
272 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
273 SIGNED64 macro.
274
275Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
276
277 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
278 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
279 don't match enum values.
280
281Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
282
283 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
284 bit rather than 16 bit precision.
285 (OP_3C00): For "mulxu", store unsigned product in ACC.
286 (OP_3800): For "msbu", subtract unsigned product from ACC,
287 (OP_0): For "sub", compute carry by comparing inputs.
288
289Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
290
291 * simops.c (OP_1000): For "sub2w", compute carry by comparing
292 inputs.
293
294Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
295
296 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
297 carry indicated by value > 0xffff.
298
299Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
300
301 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
302 handled by client.
303 (sim_resume): Fix race condition of a direct assignment to
304 stop_simulator, conditionally call sim_stop.
305 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
306 stop_simulator ready for next sim_resume call.
307 (sim_ctrl_c): Delete function.
308
309Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
310
311 * interp.c (sim_resume): For "REP", only check/update the PC when
312 a branch instruction has not been executed.
313
314Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
315
316 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
317 extend bit 44 all constants.
318 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
319
320Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
321
322 * d10v_sim.h: Include sim-types.h.
323 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
324 using unsigned8 et.al. from sim-types.h.
325 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
326 SIGNED64 macro.
327
328Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
329
330 * interp.c (sim_write_phys): New function, write to physical
331 instead of virtual memory.
332
333 * interp.c (sim_load): Pass lma_p and sim_write_phys to
334 sim_load_file.
335
336Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
337
338 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
339 exception generation code to OP_6E01.
340 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
341 generation code.
342
343Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
344
345 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
346 (OP_6601): Ditto.
347
348Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
349
350 * configure: Regenerated to track ../common/aclocal.m4 changes.
351
352Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
353
354 * interp.c (pc_addr): Discard upper bit(s) of PC in case
355 IMAP1 selects unified memory.
356 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
357 for end condition.
358
359Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
360
361 * configure: Regenerated to track ../common/aclocal.m4 changes.
362
363Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
364
365 * configure: Regenerated to track ../common/aclocal.m4 changes.
366
367Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
368
369 * configure: Regenerated to track ../common/aclocal.m4 changes.
370
371Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
372
373 * configure: Regenerated to track ../common/aclocal.m4 changes.
374
375Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
376
377 * configure: Regenerated to track ../common/aclocal.m4 changes.
378
379Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
380
381 * interp.c (sim_resume): Increment PC at end of rep
382 loop.
383
384 * simops.c (OP_4201): Fix rachi instruction.
385
386Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
387
388 * configure: Regenerated to track ../common/aclocal.m4 changes.
389
390Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
391
392 * configure: Regenerated to track ../common/aclocal.m4 changes.
393 * config.in: Ditto.
394
395Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
396
397 * interp.c (sim_kill): Delete.
398 (sim_create_inferior): Add ABFD argument.
399 (sim_load): Move setting of PC from here.
400 (sim_create_inferior): To here.
401 (start_address): Delete variable.
402
403Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
404
405 * configure: Regenerated to track ../common/aclocal.m4 changes.
406 * config.in: Ditto.
407
408Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
409
410 * interp.c (sim_open): Add ABFD argument.
411
412Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
413
414 * interp.c (sim_open): Add callback argument.
415 (sim_set_callbacks): Remove SIM_DESC argument.
416
417Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
418
419 * configure: Regenerated to track ../common/aclocal.m4 changes.
420
421Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
422
423 * interp.c (sim_open): Undo patch to add -E support.
424
425Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
426
427 * interp.c (sim_stop): New function.
428
429Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
430
431 * Makefile.in (SIM_OBJS): Add sim-load.o.
432 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
433 * interp.c: #include bfd.h.
434 (myname, sim_kind, start_address): New static locals.
435 (prog_bfd_was_opened_p, prog_bfd): New static locals.
436 (decode_pc): Update to use prog_bfd.
437 (sim_open): Set sim_kind, myname. Ignore -E arg.
438 (sim_close): Close prog_bfd if simulator opened it.
439 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
440 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
441 Call sim_load_file to load file into simulator.
442 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
443
444Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
445
446 * simops.c (OP_5F00): Only provide system calls SYS_execv,
447 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
448
449Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
450
451 * configure: Regenerated to track ../common/aclocal.m4 changes.
452 * config.in: Ditto.
453
454Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
455
456 * interp.c (sim_open): New arg `kind'.
457
458 * configure: Regenerated to track ../common/aclocal.m4 changes.
459
460Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
461
462 * configure: Regenerated to track ../common/aclocal.m4 changes.
463
464Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
465
466 * configure: Re-generate.
467
468Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
469
470 * configure: Regenerate to track ../common/aclocal.m4 changes.
471
472 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
473 as trap 0, which will be deprecated. Only set errno, if an error
474 in fact was returned.
475
476Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
477
478 * interp.c: Delete redundant prototypes of sim_foo fns.
479 (sim_open): New SIM_DESC result. Argument is now in argv form.
480 (other sim_*): New SIM_DESC argument.
481
482Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
483
484 * simops.c (trace_{input,output}_func): Call flush_stdout from the
485 callback functions.
486 (OP_5F00): Ditto.
487 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
488 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
489 setting the carry bit after an add or a subtract.
490
491Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
492
493 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
494 40 bits of accumulators. Sign/zero extend as appropriate.
495
496Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
497
498 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
499 COMMON_{PRE,POST}_CONFIG_FRAG instead.
500 * configure.in: sinclude ../common/aclocal.m4.
501 * configure: Regenerated.
502
503Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
504
505 * configure configure.in Makefile.in: Update to new configure
506 scheme which is more compatible with WinGDB builds.
507 * configure.in: Improve comment on how to run autoconf.
508 * configure: Re-run autoconf to get new ../common/aclocal.m4.
509 * Makefile.in: Use autoconf substitution to install common
510 makefile fragment.
511
512Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
513
514 * gencode.c: patch to not #include "d10v_sim.h" which
515 unecessarily includes bfd.h and causes wingdb configure
516 to fail.
517
518Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
519
520 * interp.c (xfer_mem): Change unified memory to 0x0.
521
522Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
523
524 * simops.c (OP_3E01): Fix tracing information.
525 (OP_300{0,1}): Do not propigate sign.
526
527Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
528
529 * config.in (WORDS_BIGENDIAN): Add.
530 * configure: Regenerated.
531 * d10v_sim.h: #include "config.h"
532
533Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
534
535 * gencode.c (write_opcodes): Eliminate warnings when generated
536 table.c is compiled.
537
538Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
539
540 * interp.c (sim_open): Cast result of calloc, and make sure NULL
541 was not returned.
542 (dmem_addr): If address is illegal or in I/O space, signal a bus
543 error.
544 (pc_addr): Signal bus error, not illegal instruction for bogus
545 pc.
546
547Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
548
549 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
550 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
551 * configure.in: Simplify using macros in ../common/aclocal.m4.
552 Call AC_CHECK_HEADERS(unistd.h).
553 * configure: Regenerated.
554 * config.in: New file.
555 * interp.c: #include "callback.h".
556 * simops.c: #include "config.h". #include <unistd.h> if present.
557
558Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
559
560 * d10v-sim.h (simops): Add flag is_long.
561 (State): Add pc_changed. Instructions which update the PC should
562 use the JMP macro which sets this.
563 (JMP): New macro. Sets the PC and the pc_changed flag.
564
565 * gencode.c (write_opcodes): Add is_long field.
566
567 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
568 to a long opcode we could get a false match. Check the opcode size.
569 (hash): Add a size field to the hash table.
570 (sim_open): Initialize size field in hash table.
571 (sim_resume): Change to logic for setting the PC. Used to increment the
572 PC if it had not been changed. This didn't allow single-instruction loops.
573 Now checks the flag State.pc_changed. Also now stops when ^C is received.
574 (dmem_addr): Fix translation of data segments to unified memory.
575 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
576
577 * simops.c: Changed all branch and jump instructions to use new JMP macro.
578 (OP_20000000): Corrected trace information to show this is a ldi.l, not
579 a ldi.s instruction.
580
581Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
582
583 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
584 updating the accumulators was overwriting other parts of the global
585 State variable.
586
587Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
588
589 * interp.c (bfd.h) Don't include it here any more.
590 (text{,_start,_end}): Move here from simops.c and make extern.
591 (decode_pc): New function to return the PC as an address that the
592 debugger can use.
593 (dmem_addr): Print decoded PC in error message.
594 (pc_addr): Ditto.
595
596 * simops.c (bfd.h) Don't include it here any more.
597 (text{,_start,_end}): Move to simops.c.
598 (trace_input_func): Move decoding of PC, and looking up .text
599 start to decode_pc.
600
601 * d10v_sim.h (bfd.h): Include it here.
602 (text{,_start,_end}): Add external declarations.
603 (exec_bfd): Ditto.
604 (decode_pc): Ditto.
605
606Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
607
608 * interp.c (sim_size): Now allocates unified memory for imap segments
609 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
610 (sim_write): Just call xfer_mem().
611 (sim_read): Just call xfer_mem().
612 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
613 (dmem_addr): New function. Reads dmap register and translates data
614 addresses to local addresses.
615 (pc_addr): New function. Reads imap register and computes local address
616 corresponding to contents of the PC.
617 (sim_resume): Change to use pc_addr().
618 (sim_create_inferior): Change reinitialization code. Also reinitializes
619 imap[01] and dmap.
620 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
621 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
622
623 * simops.c (MEMPTR): Redefine to use dmem_addr().
624 (OP_5F00): Replace references to STate.imem with dmem_addr().
625
626 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
627 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
628 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
629
630Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
631
632 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
633 better statistics, like not counting NOPS as parallel
634 instructions, and printing total cycles.
635 (ins_type_counters): Make unsigned long.
636 (left_nops,right_nops): Fold into ins_type_counters.
637
638 * simops.c (trace_input_func): Print new instruction types.
639 Handle OP_R2R3 as input types.
640 (OP_{38000000,7000}): Correctly sign extend bytes.
641 (OP_5E00): Don't count NOPs as parallel instructions.
642 (OP_460B): Remove unused variable.
643 (OP_5F00): Ditto.
644
645 * interp.c (ins_type_counters): Make unsigned long.
646 (left_nops,right_nops): Delete.
647 (most functions): Add prototypes.
648 (INLINE): If GCC and optimize define as __inline__.
649 ({,lookup_}hash,get_operands): Declare as INLINE.
650 (do_parallel): Count conditional operations.
651 (add_commas): New function, to add commas every 3 digits.
652 (sim_size): Call add_commas to print numbers.
653 (sim_{open,resume}): Delete unused variables.
654 (sim_info): Provide better statistics.
655 (sim_read): Add int return type.
656
657Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
658
659 * interp.c (sim_resume): Change the way single-stepping and exceptions
660 are handled so single-stepping works again.
661
662Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
663
664 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
665 endian hosts.
666
667 * configure.in (--enable-sim-bswap): New switch to enable using
668 the BSWAP instruction on x86's.
669 * configure: Regenerate.
670
671 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
672 support.
673
674Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
675
676 * endian.c: New file. Move endian functions here from interp.c.
677 Optimize code, and make it work as either inline functions or as a
678 separate file.
679
680 * interp.c: Move endian functions from here to endian.c.
681
682 * Makefile.in (INCLUDE): Add endian.c.
683 (run,libsim.a): Add dependency on endian.o.
684 (endian.o): Add dependency.
685
686 * d10v_sim.h (read/write support): Always go through the machine
687 independent endian functions. If compiling with GCC and
688 optimizing, include endian.c so the endian functions are inlined.
689
690 * simops.c (OP_5F00): Correct tracing of accumulators.
691
692Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
693
694 * simops.c (OP_5F00): Add support for getpid, kill system calls.
695
696 * interp.c (do_{2_short,parallel}): If an exception is raised,
697 don't execute the second instruction.
698
699Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
700
701 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
702 temporary in case the register is overriden when loading.
703 (OP_6200): Output type is OP_DREG for tracing.
704
705Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
706
707 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
708
709 * interp.c (sim_size): Initialize mem_{min,max} fields.
710 (sim_write): Update mem_{min,max} fields.
711 (sim_resume): If PC is not in the minimum/maximum memory range,
712 abort.
713 (sim_create_inferior): Preserve mem_{min,max} fields.
714
715Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
716
717 * simops.c (OP_5F00): Add support for time() system call.
718
719Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
720
721 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
722 stored if tracing.
723 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
724 system calls.
725
726Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
727
728 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
729 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
730 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
731 to call/subroutine returns to trace the first two arguments and
732 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
733
734Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
735
736 * interp.c (sim_create_inferior): Reinitialize State every time
737 sim_create_inferior() is called.
738
739Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
740
741 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
742 on comparisons.
743 (OP_401): Fix tracing information.
744
745Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
746
747 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
748 (trace_input_func): Use them.
749 (trace_input_func): Make sure there is a trailing space after the
750 instruction.
751 (OP_6200): Fix tracing info.
752
753 * Makefile.in (run): Add dependencies on libbfd.a and
754 libiberity.a.
755
756Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
757
758 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
759 numbers and function names in debug trace.
760 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
761 DEBUG_LINE_NUMBER.
762 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
763 and exit system call trap being executed.
764
765 * interp.c (sim_stop_reason): Set exit code correctly for stop
766 instruction and exit system call trap.
767
768 * configure.in (--enable-sim-cflags): Remove trace case.
769 (--enable-sim-debug): New switch to set the debug values.
770 * configure: Regenerate.
771
772 * simops.c (trace_{input,output}_func): Rename from
773 trace_{input,output}.
774 (trace_{input,output}): Call trace_{input,output}_func if
775 d10v_debug is non-zero.
776 (SIZE_INSTRUCTION): Cut down to 8.
777 (SIZE_OPERANDS): Cut down to 18.
778 (SIZE_LOCATION): New value for size of line number, function name
779 field.
780 (init_text_p,text{,_start,_end}): New static variables for
781 printing line number and function name.
782 (exec_bfd): New external that run.c sets.
783 (trace_input_func): Print line number and function name if
784 available and if desired.
785 (OP_4E09): Don't print out DBT message.
786 (OP_5FE0): Set exception field to SIG_D10V_STOP.
787 (OP_5F00): Set exception field to SIG_D10V_EXIT.
788
789Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
790
791 * interp.c (do_2_short): If the instruction encodes jump->ins,
792 don't do the second instruction if the jump succeeds.
793
794Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
795
796 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
797 accumulators, PC, and F0/F1/C flags.
798
799Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
800
801 * simops.c (OP_5F00): Fix problems with system calls.
802
803Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
804
805 * simops.c (OP_5F00): Correct tracing information for trap.
806
807Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
808
809 * Makefile.in (CSEARCH): Correctly find opcodes directory.
810
811Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
812
813 * simops.c (trace_output): Properly align accumulator output.
814 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
815 if shift count is too high.
816 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
817 (OP_4E09): Make cpfg properly trace the input flags.
818 (op_types): Add OP_FLAG_OUTPUT.
819 (trace_{input,output}): Support OP_FLAG_OUTPUT.
820 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
821 an 8-bit memory reference instruction for tracing purposes.
822 (OP_201): Addi needs to set the carry.
823
824Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
825
826 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
827 to use signed register values.
828
829Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
830
831 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
832 output.
833 (_ins_type): New enumeration to specify which container an
834 instruction is in, and whether it is part of a parallel operation.
835 (_state): Add ins_type field.
836 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
837 (ins_type_counters): Counters for the various instruction types.
838 ({left,right}_nops): Counters for the number of nops in each
839 container.
840 (d10v_debug): New variable to indicate whether debugging is turned
841 on.
842
843 * simops.c: (all functions): Change all #ifdef DEBUG code so that
844 the input and output values can be traced, along with the
845 instruction type. Make the -t option enable tracing.
846 (all functions): Change printf calls to use the printf_filtered
847 function in the callback table.
848
849 * interp.c (_leftright): New enumeration to say whether 2 short
850 instructions are done left first or right first.
851 (do_{long,2_short,parallel}): Indicate in the machine state which
852 type of instruction this is. Count each of the types of
853 instructions executed.
854 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
855 flag is set.
856 (sim_resume): Pass left/right indication to do_2_short.
857 (all functions): Change printf calls to use the printf_filtered
858 function in the callback table.
859 (sim_trace): Turn on debug flag if DEBUG was defined, and call
860 sim_resume.
861 (sim_info): Print out statistics on instructions.
862 (sim_{trace,create_inferior}): Eliminate extraneous output unless
863 debugging.
864 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
865 Only initialize the hash table the first time sim_open is called.
866
867 * Makefile.in: Make objects depend on d10v_sim.h.
868 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
869 CFLAGS does not override host/target defines or SIM_CFLAGS.
870 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
871 (run): By default, the math library is not needed to be linked
872 in.
873 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
874 overridden.
875 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
876 makes.
877 ({run,callback}.o): Provide explicit paths to their appropriate
878 source directories.
879 (gencode{,.o},d10v-opc.o): Split compilation into creating object
880 and linking. Instead of linking in libopcodes.a, just compile
881 d10v-opc.o directly to handle canadian cross.
882 (CSEARCH): Add opcodes directory.
883
884 * configure.in (--enable-sim-cflags): New switch to allow user to
885 set the defaults.
886 (CC_FOR_BUILD): Deal with canadian crosses.
887 * configure: Regenerate.
888
889Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
890
891 * simops.c: Include correct syscall.h for d10v, not host's.
892 Fix #ifdef SYS_stat.
893
894Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
895
896 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
897 Add trap 2 to be printf and trap 3 to be putchar.
898
899Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
900
901 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
902 for low-level system calls.
903
904Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
905
906 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
907
908Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
909
910 * d10v_sim.h (SEXT32): Added.
911 * interp.c: Commented out printfs.
912 * simops.c: Fixed error in sb and st2w.
913
914Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
915
916 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
917 DSP instructions. Added modulo addressing.
918
919Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
920
921 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
922
923Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
924
925 * d10v_sim.h, simops.c: Snapshot.
926
927Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
928
929 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
930 gencode.c, interp.c, simops.c: Created.
931
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