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* ld.texinfo: Document that fill values now use the four least
[deliverable/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
962b3ead
JM		 12001-08-01 John R. Moore <jmoore@redhat.com>
2
3 * interp.c (sim_create_inferior): Removed a hack that stated
4 it was setting r0/r1 with argc/argv.
5
d4424ada
C		 62001-04-15 J.T. Conklin <jtc@redback.com>
7
8 * Makefile.in (simops.o): Add simops.h to dependency list.
9
eb2d80b4
AC		 10Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
11
12 * configure: Regenerated to track ../common/aclocal.m4 changes.
13
27842f65
AC		 14Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
15
16 * interp.c (sim_resume): Deliver SIGILL.
17 (lookup_hash): Do not print SIGILL message.
18
baa7ae6f
AC		 19Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
20
21 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
22 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
23
ba744a4f
AC		 24Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
25
26 * d10v_sim.h (SIG_D10V_BUS): Define.
27
28 * simops.c (address_exception): Delete function.
29 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
30 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
31 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
32 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
33 address_exception with code that sets SIG_D10V_BUS.
34
35 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
36 error to the simulator before resuming execution.
37 (sim_trace): Check stop reason and use that to determine sim_trace
38 return value.
39 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
40 sigrc.
41
42Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
43
44 * interp.c (sim_create_inferior): Change internal initial value for
45 DMAP2 to 0x2000.
46
c3f6f71d
JM		 47Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
48
49 * interp.c (lookup_hash): Stop the update of the PC when there was
50 an illegal instruction exception.
51
52Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
53
54 * simops.c (address_exception): New function.
55 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
56 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
57 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
58 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
59 and "st2w" check that the address is aligned.
60
8ae7f924
FCE		 611999-12-30 Chandra Chavva <cchavva@cygnus.com>
62
63 * d10v_sim.h (INC_ADDR): Added code to assign
64 proper address for loads with predec operations.
65
c2d11a7d
JM		 661999-11-25 Nick Clifton <nickc@cygnus.com>
67
68 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
69 cpfg instruction.
70
4ce44c66
JM		 71Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
72
73 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
74 DPSW and BPSW.
75
76Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
77
78 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
79 (PSW_HW_MASK): Declare.
80
81 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
82 (SET_CREG, SET_PSW_BIT): Update.
83 (SET_HW_CREG, SET_HW_PSW): Define.
84
85Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
86
87 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
88 for DMAP3.
89
90Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
91
92 * interp.c (sim_d10v_translate_addr): New function.
93 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
94 (map_memory): Make INLINE.
95
96Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
97
98 * interp.c (sim_d10v_translate_dmap_addr): New function.
99 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
100 offset parameter to type uint16.
101 * d10v_sim.h (dmem_addr): Update declaration.
102
103Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
104
105 * interp.c (imap_register, set_imap_register, dmap_register,
106 set_imap_register): Use map_memory.
107 (DMAP): Update.
108 (sim_create_inferior): Initialize all DMAP registers. NOTE that
109 DMAP2, in internal memory mode, is set to 0x0000 and NOT
110 0x2000. This is consistent with the older d10v boards.
111
112Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
113
114 * interp.c (sim_d10v_translate_imap_addr): New function.
115 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
116 (last_from, last_to): Declare.
117
118Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
119
120 * d10v_sim.h (struct d10v_memory): Define. Support very long
121 memories.
122 (struct _state): Replace imem, dmem and umem by mem.
123 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
124 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
125
126 * interp.c (map_memory): New function.
127 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
128 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
129 (IMEM_SIZEDMEM_SIZE): Delete.
130
131Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
132
133 * interp.c: Include "sim-d10v.h".
134 (imap_register, set_imap_register, dmap_register,
135 set_dmap_register, spi_register, spu_register, set_spi_register,
136 set_spu_register): New functions.
137 (sim_create_inferior): Update.
138 (sim_fetch_register, sim_store_register): Rewrite. Use enums
139 defined in sim-d10v.h.
140
141 * d10v_sim.h (DEBUG_MEMORY): Define.
142 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
143
144Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
145
146 * interp.c (sim_open): Allow a debug value to be passed to the -t
147 option.
148 (lookup_hash): Don't exit on an illegal instruction.
149 (do_long, do_2_short, do_parallel): Check for failed instruction
150 lookup.
151
5c44784c
JM		 152Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
153
154 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 155 message.
5c44784c 156
c2c6d25f
JM		 1571999-09-14 Nick Clifton <nickc@cygnus.com>
158
159 * simops.c: Disable setting of DM bit in PSW.
160
cff3e48b
JM		 161Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
162
163 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
164 (trace_input_func): Added support for OP_MEMREF3.
165 (OP_32010000): New instruction ld.
166 (OP_33010000): New instruction ld2w.
167 (OP_5209): New instruction sac.
168 (OP_4209): New instruction sachi.
169 (OP_3220): New instruction slae.
170 (OP_36010000): New instruction st.
171 (OP_37010000): New instruction st2w.
172
1731999-09-09 Stan Shebs <shebs@andros.cygnus.com>
174
175 * interp.c (old_segment_mapping): New global.
176 (xfer_mem): Change the default segment mapping to be the way
177 that Mitsubishi prefers, but use the previous mapping if
178 old_segment_mapping is true.
179 (sim_open): Add an option -oldseg to get the old mapping.
180 (sim_create_inferior): Init mapping registers based on the
181 value of old_segment_mapping.
182
d4f3574e
SS		 1831999-09-07 Nick Clifton <nickc@cygnus.com>
184
185 * simops.c (OP_6601): Do not write back decremented address if
186 either of the destination registers was the same as the address
187 register.
188 (OP_6201): Do not write back incremented address if either of the
189 destination registers was the same as the address register.
190
191Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
192
193 * configure: Regenerated to track ../common/aclocal.m4 changes.
194
cd0fc7c3
SS		 1951999-05-08 Felix Lee <flee@cygnus.com>
196
197 * configure: Regenerated to track ../common/aclocal.m4 changes.
198
7a292a7a
SS		 1991999-04-02 Keith Seitz <keiths@cygnus.com>
200
201 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
202 defined).
203 (sim_resume): If the counter has expired, call the ui_loop_hook,
204 if defined.
205 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
206 ui_loop_hook calls.
207 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
208
209Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
210
211 * simops.c: If load instruction with auto increment/decrement
212 addressing is used when the destination register is the same as
213 the address register, then ignore the auto increment/decrement.
214
215Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
216
217 * simops.c (OP_5F00): Ifdef SYS_stat case because
218 not all systems have it defined.
219
c906108c
SS		 2201999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
221
222 * simops.c (OP_5607): Correct saturation comparison/assignment.
223 (OP_1201, OP_1203, OP_17001200, OP_17001202,
224 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
225 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
226
2271999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
228
229 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
230 comparison.
231 (OP_5607): Ditto.
232 (OP_2A00): Ditto.
233 (OP_2800): Ditto.
234
2351999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
236
237 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
238 comparison.
239
240Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
241
242 * simops.c (sys/syscall.h): Include targ-vals.h instead.
243 (SYS_*): Replace with TARGET_SYS_*.
244
245 * Makefile.in: Add dependency on targ-vals.h.
246 (NL_TARGET): Define as NL_TARGET_d10v.
247
248Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
249
250 * interp.c (xfer_mem): Missing break, instruction memory case
251 flowed into unified memory case.
252
253Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
254
255 * simops.c: If load instruction with auto increment/decrement
256 addressing is used when the destination register is the same as
257 the address register, then ignore the auto increment/decrement.
258
259Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
260
261 * configure: Regenerated to track ../common/aclocal.m4 changes.
262
263Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
264
265 * configure: Regenerated to track ../common/aclocal.m4 changes.
266 * config.in: Ditto.
267
268Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
269
270 * acconfig.h: New file.
271 * configure.in: Reverted change of Apr 24; use sinclude again.
272
273Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
274
275 * configure: Regenerated to track ../common/aclocal.m4 changes.
276 * config.in: Ditto.
277
278Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
279
280 * configure.in: Don't call sinclude.
281
282Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
283
284 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
285
286 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
287
288Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
289
290 * configure: Regenerated to track ../common/aclocal.m4 changes.
291
292Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
293
294 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
295 up-to-date CR value.
296 (OP_OP_1000000, add3): Trace inputs before performing add.
297 (OP_5F00, <*>): Trace input registers before making system call.
298 (OP_5F00, <kill>): Trace R0, R1 not REGn.
299 (OP_5F00, <getpid>): Always return 47.
300
301 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
302 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
303 back slots.
304 (struct _state): Add struct slot slot to global state variable.
305 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
306 F0, F1, C from global State variable.
307 (struct _state): Add struct trace to global State variable.
308 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
309 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
310 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
311 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
312 (JMP): Re-implement. Use SET_* to update registers.
313
314 * interp.c: Use new SET_* et.al. macros to fetch / store
315 registers.
316 (get_operands): Squirrel away trace values at start of each
317 operand decode.
318 (do_2_short): Flush pending writes before issuing second
319 instruction.
320 (sim_resume): Flush pending writes at end of instruction cycle.
321 (sim_fetch_register, sim_store_register, sim_create_inferior):
322 After scheduling updates to registers using SET_*, flush updates.
323 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
324 that each sets pc using SET_* and last SET_* eventually winds out.
325
326 * simops.c: Use new SET_* et.al. macros to fetch / store
327 registers.
328 (move_to_cr): Add MASK argument for selective update of CREG bits.
329 Re-implement using new SET_* macros.
330 (trace_output_func, trace_output): Delete. Replace with.
331 (do_trace_output_flush, trace_output_finish, trace_output_40,
332 trace_output_32, trace_output_16, trace_output_void,
333 trace_output_flag): New functions. Handle specific trace cases.
334 (OP_*): Re-write tracing to use new trace_output_* functions.
335 (OP_*): Re-write to use new SET_* et.al. macros.
336 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
337 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
338
339Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
340
341 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
342 configure: Re-generate.
343
344Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
345
346 * configure: Regenerated to track ../common/aclocal.m4 changes.
347
348Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
349
350 * configure: Regenerated to track ../common/aclocal.m4 changes.
351
352Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
353
354 * configure: Regenerated to track ../common/aclocal.m4 changes.
355
356Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
357
358 * interp.c (sim_store_register, sim_fetch_register): Pass in
359 length parameter. Return -1.
360
361Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
362
363 * (dmem_addr): If address is illegal or in I/O space, signal a bus
364 error. Allocate unified memory on demand. Fix DMEM address
365 calculations.
366
367Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
368
369 * simops.c (OP_5F20): Implement "dbt".
370 (OP_5F60): Implement "rtd".
371
372 * d10v_sim.h (DPC_CR): Define enum.
373 (DBT_VECTOR_START): Define
374 (DPSW, DPC): Define.
375
376Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
377
378 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
379 to PSW:SM.
380
381 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
382 (SP_IDX): Define.
383
384Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
385
386 * simops.c (OP_5F00): Call error instead of abort for unknown
387 syscalls.
388
389 * d10v_sim.h (enum): Define DPSW_CR.
390
391 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
392
393Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
394
395 * interp.c (sim_write_phys): Delete.
396 (sim_load): Call sim_load_file with sim_write and LMA.
397
398Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
399
400 * interp.c: Rewrite xfer_mem so that it translates addresses as -
401 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
402 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
403 memory.
404 (pc_addr): Delete.
405 (imem_addr): New function - translate IMEM address.
406 (sim_resume): Use imem_addr to translate insn address, abort if
407 translation failed.
408 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
409 argc/argv using r0/r1 not r2/r3.
410 (sim_size): Do not initialize IMAP/DMAP here.
411 (sim_open): Call sim_create_inferior and sim_size to initialize
412 the system.
413 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
414 defaults.
415 (init_system): Delete.
416 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
417 init_system.
418 (decode_pc): Check prog_bfd is defined before looking up .text
419 section.
420
421Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
422
423 * configure: Regenerated to track ../common/aclocal.m4 changes.
424
425Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
426
427 * configure: Regenerated to track ../common/aclocal.m4 changes.
428
429Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
430
431 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
432
433Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
434
435 * d10v_sim.h (DEBUG_TRAP): New debug flag.
436
437 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
438 printing the registers.
439
440Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
441
442 * simops.c (op_types): New ABI, args are r0..r3, system call # is
443 in r4.
444 (trace_{in,out}put_func): Ditto.
445 (OP_4900): Ditto.
446 (OP_24800000): Ditto.
447 (OP_4D00): Ditto.
448 (OP_5F00): Ditto.
449
450Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
451
452 * interp.c (UMEM_SEGMENTS): New define, set to 128.
453 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
454 (sim_close): Reset prog_bfd to NULL after closing it. Also
455 reset prog_bfd_was_opened_p after closing prog_bfd.
456 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
457 (sim_create_inferior): Get start address from abfd not prog_bfd.
458 (xfer_mem): Do bounds checking on addresses and return zero length
459 read/write on bad addresses, rather than aborting. Prepare to
460 be able to handle xfers that cross segment boundaries, but not
461 yet implemented. Only emit debug message when d10v_debug is
462 set as well as DEBUG being defined.
463
464Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
465
466 * configure: Regenerated to track ../common/aclocal.m4 changes.
467
468Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
469
470 * configure: Regenerated to track ../common/aclocal.m4 changes.
471 * config.in: Ditto.
472
473Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
474
475 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
476 (BPSW): Ditto for BPSW_CR and not PSW_CR.
477
478 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
479
480Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
481
482 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
483 reserved trap from 0 to 15. Add trap emulation code for 0-14.
484
485 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
486 IBA for SDBT.
487
488 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
489 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
490
491 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
492 use move_to_cr.
493 (OP_5F00): For "trap", update BPSW with move_to_cr.
494
495Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
496
497 * d10v_sim.h (enum): Enumerate CR register names.
498 (enum): Enumerate PSW bit values.
499 (PSW): Obtain value uing move_from_cr.
500 (MOD_S, MOD_E, BPSW): Make r-values.
501 (move_from_cr, move_to_cr): Declare functions.
502
503 * interp.c (sim_fetch_register, sim_store_register): Use
504 move_from_cr and move_to_cr for CR register transfers.
505
506 * simops.c (move_from_cr, move_to_cr): New functions.
507 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
508 (OP_5600): For "mvtc", use function move_to_cr.
509 (OP_5200): For "mvfc", use function move_from_cr.
510
511Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
512
513 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
514 LSbit is zero.
515
516Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
517
518 * configure: Regenerated to track ../common/aclocal.m4 changes.
519
520Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
521
522 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
523
524 * simops.c (OP_5600): For "mvtc", save PSW.DM.
525 (OP_5200): Ditto for "mvfc".
526
527Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
528
529 * d10v_sim.h (SEXT56): Define.
530
531 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
532 it is shifted.
533
534 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
535 SIGNED64 macro.
536
537Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
538
539 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
540 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
541 don't match enum values.
542
543Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
544
545 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
546 bit rather than 16 bit precision.
547 (OP_3C00): For "mulxu", store unsigned product in ACC.
548 (OP_3800): For "msbu", subtract unsigned product from ACC,
549 (OP_0): For "sub", compute carry by comparing inputs.
550
551Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
552
553 * simops.c (OP_1000): For "sub2w", compute carry by comparing
554 inputs.
555
556Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
557
558 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
559 carry indicated by value > 0xffff.
560
561Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
562
563 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
564 handled by client.
565 (sim_resume): Fix race condition of a direct assignment to
566 stop_simulator, conditionally call sim_stop.
567 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
568 stop_simulator ready for next sim_resume call.
569 (sim_ctrl_c): Delete function.
570
571Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
572
573 * interp.c (sim_resume): For "REP", only check/update the PC when
574 a branch instruction has not been executed.
575
576Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
577
578 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
579 extend bit 44 all constants.
580 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
581
582Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
583
584 * d10v_sim.h: Include sim-types.h.
585 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
586 using unsigned8 et.al. from sim-types.h.
587 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
588 SIGNED64 macro.
589
590Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
591
592 * interp.c (sim_write_phys): New function, write to physical
593 instead of virtual memory.
594
595 * interp.c (sim_load): Pass lma_p and sim_write_phys to
596 sim_load_file.
597
598Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
599
600 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
601 exception generation code to OP_6E01.
602 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
603 generation code.
604
605Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
606
607 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
608 (OP_6601): Ditto.
609
610Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
611
612 * configure: Regenerated to track ../common/aclocal.m4 changes.
613
614Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
615
616 * interp.c (pc_addr): Discard upper bit(s) of PC in case
617 IMAP1 selects unified memory.
618 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
619 for end condition.
620
621Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
622
623 * configure: Regenerated to track ../common/aclocal.m4 changes.
624
625Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
626
627 * configure: Regenerated to track ../common/aclocal.m4 changes.
628
629Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
630
631 * configure: Regenerated to track ../common/aclocal.m4 changes.
632
633Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
634
635 * configure: Regenerated to track ../common/aclocal.m4 changes.
636
637Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
638
639 * configure: Regenerated to track ../common/aclocal.m4 changes.
640
641Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
642
643 * interp.c (sim_resume): Increment PC at end of rep
644 loop.
645
646 * simops.c (OP_4201): Fix rachi instruction.
647
648Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
649
650 * configure: Regenerated to track ../common/aclocal.m4 changes.
651
652Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
653
654 * configure: Regenerated to track ../common/aclocal.m4 changes.
655 * config.in: Ditto.
656
657Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
658
659 * interp.c (sim_kill): Delete.
660 (sim_create_inferior): Add ABFD argument.
661 (sim_load): Move setting of PC from here.
662 (sim_create_inferior): To here.
663 (start_address): Delete variable.
664
665Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
666
667 * configure: Regenerated to track ../common/aclocal.m4 changes.
668 * config.in: Ditto.
669
670Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
671
672 * interp.c (sim_open): Add ABFD argument.
673
674Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
675
676 * interp.c (sim_open): Add callback argument.
677 (sim_set_callbacks): Remove SIM_DESC argument.
678
679Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
680
681 * configure: Regenerated to track ../common/aclocal.m4 changes.
682
683Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
684
685 * interp.c (sim_open): Undo patch to add -E support.
686
687Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
688
689 * interp.c (sim_stop): New function.
690
691Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
692
693 * Makefile.in (SIM_OBJS): Add sim-load.o.
694 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
695 * interp.c: #include bfd.h.
696 (myname, sim_kind, start_address): New static locals.
697 (prog_bfd_was_opened_p, prog_bfd): New static locals.
698 (decode_pc): Update to use prog_bfd.
699 (sim_open): Set sim_kind, myname. Ignore -E arg.
700 (sim_close): Close prog_bfd if simulator opened it.
701 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
702 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
703 Call sim_load_file to load file into simulator.
704 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
705
706Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
707
708 * simops.c (OP_5F00): Only provide system calls SYS_execv,
709 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
710
711Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
712
713 * configure: Regenerated to track ../common/aclocal.m4 changes.
714 * config.in: Ditto.
715
716Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
717
718 * interp.c (sim_open): New arg `kind'.
719
720 * configure: Regenerated to track ../common/aclocal.m4 changes.
721
722Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
723
724 * configure: Regenerated to track ../common/aclocal.m4 changes.
725
726Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
727
728 * configure: Re-generate.
729
730Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
731
732 * configure: Regenerate to track ../common/aclocal.m4 changes.
733
734 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
735 as trap 0, which will be deprecated. Only set errno, if an error
736 in fact was returned.
737
738Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
739
740 * interp.c: Delete redundant prototypes of sim_foo fns.
741 (sim_open): New SIM_DESC result. Argument is now in argv form.
742 (other sim_*): New SIM_DESC argument.
743
744Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
745
746 * simops.c (trace_{input,output}_func): Call flush_stdout from the
747 callback functions.
748 (OP_5F00): Ditto.
749 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
750 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
751 setting the carry bit after an add or a subtract.
752
753Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
754
755 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
756 40 bits of accumulators. Sign/zero extend as appropriate.
757
758Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
759
760 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
761 COMMON_{PRE,POST}_CONFIG_FRAG instead.
762 * configure.in: sinclude ../common/aclocal.m4.
763 * configure: Regenerated.
764
765Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
766
767 * configure configure.in Makefile.in: Update to new configure
768 scheme which is more compatible with WinGDB builds.
769 * configure.in: Improve comment on how to run autoconf.
770 * configure: Re-run autoconf to get new ../common/aclocal.m4.
771 * Makefile.in: Use autoconf substitution to install common
772 makefile fragment.
773
774Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
775
776 * gencode.c: patch to not #include "d10v_sim.h" which
777 unecessarily includes bfd.h and causes wingdb configure
778 to fail.
779
780Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
781
782 * interp.c (xfer_mem): Change unified memory to 0x0.
783
784Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
785
786 * simops.c (OP_3E01): Fix tracing information.
787 (OP_300{0,1}): Do not propigate sign.
788
789Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
790
791 * config.in (WORDS_BIGENDIAN): Add.
792 * configure: Regenerated.
793 * d10v_sim.h: #include "config.h"
794
795Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
796
797 * gencode.c (write_opcodes): Eliminate warnings when generated
798 table.c is compiled.
799
800Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
801
802 * interp.c (sim_open): Cast result of calloc, and make sure NULL
803 was not returned.
804 (dmem_addr): If address is illegal or in I/O space, signal a bus
805 error.
806 (pc_addr): Signal bus error, not illegal instruction for bogus
807 pc.
808
809Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
810
811 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
812 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
813 * configure.in: Simplify using macros in ../common/aclocal.m4.
814 Call AC_CHECK_HEADERS(unistd.h).
815 * configure: Regenerated.
816 * config.in: New file.
817 * interp.c: #include "callback.h".
818 * simops.c: #include "config.h". #include <unistd.h> if present.
819
820Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
821
822 * d10v-sim.h (simops): Add flag is_long.
823 (State): Add pc_changed. Instructions which update the PC should
824 use the JMP macro which sets this.
825 (JMP): New macro. Sets the PC and the pc_changed flag.
826
827 * gencode.c (write_opcodes): Add is_long field.
828
829 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
830 to a long opcode we could get a false match. Check the opcode size.
831 (hash): Add a size field to the hash table.
832 (sim_open): Initialize size field in hash table.
833 (sim_resume): Change to logic for setting the PC. Used to increment the
834 PC if it had not been changed. This didn't allow single-instruction loops.
835 Now checks the flag State.pc_changed. Also now stops when ^C is received.
836 (dmem_addr): Fix translation of data segments to unified memory.
837 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
838
839 * simops.c: Changed all branch and jump instructions to use new JMP macro.
840 (OP_20000000): Corrected trace information to show this is a ldi.l, not
841 a ldi.s instruction.
842
843Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
844
845 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
846 updating the accumulators was overwriting other parts of the global
847 State variable.
848
849Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
850
851 * interp.c (bfd.h) Don't include it here any more.
852 (text{,_start,_end}): Move here from simops.c and make extern.
853 (decode_pc): New function to return the PC as an address that the
854 debugger can use.
855 (dmem_addr): Print decoded PC in error message.
856 (pc_addr): Ditto.
857
858 * simops.c (bfd.h) Don't include it here any more.
859 (text{,_start,_end}): Move to simops.c.
860 (trace_input_func): Move decoding of PC, and looking up .text
861 start to decode_pc.
862
863 * d10v_sim.h (bfd.h): Include it here.
864 (text{,_start,_end}): Add external declarations.
865 (exec_bfd): Ditto.
866 (decode_pc): Ditto.
867
868Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
869
870 * interp.c (sim_size): Now allocates unified memory for imap segments
871 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
872 (sim_write): Just call xfer_mem().
873 (sim_read): Just call xfer_mem().
874 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
875 (dmem_addr): New function. Reads dmap register and translates data
876 addresses to local addresses.
877 (pc_addr): New function. Reads imap register and computes local address
878 corresponding to contents of the PC.
879 (sim_resume): Change to use pc_addr().
880 (sim_create_inferior): Change reinitialization code. Also reinitializes
881 imap[01] and dmap.
882 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
883 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
884
885 * simops.c (MEMPTR): Redefine to use dmem_addr().
886 (OP_5F00): Replace references to STate.imem with dmem_addr().
887
888 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
889 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
890 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
891
892Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
893
894 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
895 better statistics, like not counting NOPS as parallel
896 instructions, and printing total cycles.
897 (ins_type_counters): Make unsigned long.
898 (left_nops,right_nops): Fold into ins_type_counters.
899
900 * simops.c (trace_input_func): Print new instruction types.
901 Handle OP_R2R3 as input types.
902 (OP_{38000000,7000}): Correctly sign extend bytes.
903 (OP_5E00): Don't count NOPs as parallel instructions.
904 (OP_460B): Remove unused variable.
905 (OP_5F00): Ditto.
906
907 * interp.c (ins_type_counters): Make unsigned long.
908 (left_nops,right_nops): Delete.
909 (most functions): Add prototypes.
910 (INLINE): If GCC and optimize define as __inline__.
911 ({,lookup_}hash,get_operands): Declare as INLINE.
912 (do_parallel): Count conditional operations.
913 (add_commas): New function, to add commas every 3 digits.
914 (sim_size): Call add_commas to print numbers.
915 (sim_{open,resume}): Delete unused variables.
916 (sim_info): Provide better statistics.
917 (sim_read): Add int return type.
918
919Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
920
921 * interp.c (sim_resume): Change the way single-stepping and exceptions
922 are handled so single-stepping works again.
923
924Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
925
926 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
927 endian hosts.
928
929 * configure.in (--enable-sim-bswap): New switch to enable using
930 the BSWAP instruction on x86's.
931 * configure: Regenerate.
932
933 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
934 support.
935
936Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
937
938 * endian.c: New file. Move endian functions here from interp.c.
939 Optimize code, and make it work as either inline functions or as a
940 separate file.
941
942 * interp.c: Move endian functions from here to endian.c.
943
944 * Makefile.in (INCLUDE): Add endian.c.
945 (run,libsim.a): Add dependency on endian.o.
946 (endian.o): Add dependency.
947
948 * d10v_sim.h (read/write support): Always go through the machine
949 independent endian functions. If compiling with GCC and
950 optimizing, include endian.c so the endian functions are inlined.
951
952 * simops.c (OP_5F00): Correct tracing of accumulators.
953
954Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
955
956 * simops.c (OP_5F00): Add support for getpid, kill system calls.
957
958 * interp.c (do_{2_short,parallel}): If an exception is raised,
959 don't execute the second instruction.
960
961Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
962
963 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
964 temporary in case the register is overriden when loading.
965 (OP_6200): Output type is OP_DREG for tracing.
966
967Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
968
969 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
970
971 * interp.c (sim_size): Initialize mem_{min,max} fields.
972 (sim_write): Update mem_{min,max} fields.
973 (sim_resume): If PC is not in the minimum/maximum memory range,
974 abort.
975 (sim_create_inferior): Preserve mem_{min,max} fields.
976
977Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
978
979 * simops.c (OP_5F00): Add support for time() system call.
980
981Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
982
983 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
984 stored if tracing.
985 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
986 system calls.
987
988Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
989
990 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
991 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
992 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
993 to call/subroutine returns to trace the first two arguments and
994 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
995
996Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
997
998 * interp.c (sim_create_inferior): Reinitialize State every time
999 sim_create_inferior() is called.
1000
1001Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1002
1003 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1004 on comparisons.
1005 (OP_401): Fix tracing information.
1006
1007Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1008
1009 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1010 (trace_input_func): Use them.
1011 (trace_input_func): Make sure there is a trailing space after the
1012 instruction.
1013 (OP_6200): Fix tracing info.
1014
1015 * Makefile.in (run): Add dependencies on libbfd.a and
1016 libiberity.a.
1017
1018Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1019
1020 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1021 numbers and function names in debug trace.
1022 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1023 DEBUG_LINE_NUMBER.
1024 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1025 and exit system call trap being executed.
1026
1027 * interp.c (sim_stop_reason): Set exit code correctly for stop
1028 instruction and exit system call trap.
1029
1030 * configure.in (--enable-sim-cflags): Remove trace case.
1031 (--enable-sim-debug): New switch to set the debug values.
1032 * configure: Regenerate.
1033
1034 * simops.c (trace_{input,output}_func): Rename from
1035 trace_{input,output}.
1036 (trace_{input,output}): Call trace_{input,output}_func if
1037 d10v_debug is non-zero.
1038 (SIZE_INSTRUCTION): Cut down to 8.
1039 (SIZE_OPERANDS): Cut down to 18.
1040 (SIZE_LOCATION): New value for size of line number, function name
1041 field.
1042 (init_text_p,text{,_start,_end}): New static variables for
1043 printing line number and function name.
1044 (exec_bfd): New external that run.c sets.
1045 (trace_input_func): Print line number and function name if
1046 available and if desired.
1047 (OP_4E09): Don't print out DBT message.
1048 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1049 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1050
1051Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1052
1053 * interp.c (do_2_short): If the instruction encodes jump->ins,
1054 don't do the second instruction if the jump succeeds.
1055
1056Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1057
1058 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1059 accumulators, PC, and F0/F1/C flags.
1060
1061Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1062
1063 * simops.c (OP_5F00): Fix problems with system calls.
1064
1065Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1066
1067 * simops.c (OP_5F00): Correct tracing information for trap.
1068
1069Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1070
1071 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1072
1073Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1074
1075 * simops.c (trace_output): Properly align accumulator output.
1076 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1077 if shift count is too high.
1078 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1079 (OP_4E09): Make cpfg properly trace the input flags.
1080 (op_types): Add OP_FLAG_OUTPUT.
1081 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1082 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1083 an 8-bit memory reference instruction for tracing purposes.
1084 (OP_201): Addi needs to set the carry.
1085
1086Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1087
1088 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1089 to use signed register values.
1090
1091Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1092
1093 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1094 output.
1095 (_ins_type): New enumeration to specify which container an
1096 instruction is in, and whether it is part of a parallel operation.
1097 (_state): Add ins_type field.
1098 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1099 (ins_type_counters): Counters for the various instruction types.
1100 ({left,right}_nops): Counters for the number of nops in each
1101 container.
1102 (d10v_debug): New variable to indicate whether debugging is turned
1103 on.
1104
1105 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1106 the input and output values can be traced, along with the
1107 instruction type. Make the -t option enable tracing.
1108 (all functions): Change printf calls to use the printf_filtered
1109 function in the callback table.
1110
1111 * interp.c (_leftright): New enumeration to say whether 2 short
1112 instructions are done left first or right first.
1113 (do_{long,2_short,parallel}): Indicate in the machine state which
1114 type of instruction this is. Count each of the types of
1115 instructions executed.
1116 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1117 flag is set.
1118 (sim_resume): Pass left/right indication to do_2_short.
1119 (all functions): Change printf calls to use the printf_filtered
1120 function in the callback table.
1121 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1122 sim_resume.
1123 (sim_info): Print out statistics on instructions.
1124 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1125 debugging.
1126 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1127 Only initialize the hash table the first time sim_open is called.
1128
1129 * Makefile.in: Make objects depend on d10v_sim.h.
1130 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1131 CFLAGS does not override host/target defines or SIM_CFLAGS.
1132 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1133 (run): By default, the math library is not needed to be linked
1134 in.
1135 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1136 overridden.
1137 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1138 makes.
1139 ({run,callback}.o): Provide explicit paths to their appropriate
1140 source directories.
1141 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1142 and linking. Instead of linking in libopcodes.a, just compile
1143 d10v-opc.o directly to handle canadian cross.
1144 (CSEARCH): Add opcodes directory.
1145
1146 * configure.in (--enable-sim-cflags): New switch to allow user to
1147 set the defaults.
1148 (CC_FOR_BUILD): Deal with canadian crosses.
1149 * configure: Regenerate.
1150
1151Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1152
1153 * simops.c: Include correct syscall.h for d10v, not host's.
1154 Fix #ifdef SYS_stat.
1155
1156Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1157
1158 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1159 Add trap 2 to be printf and trap 3 to be putchar.
1160
1161Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1162
1163 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1164 for low-level system calls.
1165
1166Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1167
1168 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1169
1170Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1171
1172 * d10v_sim.h (SEXT32): Added.
1173 * interp.c: Commented out printfs.
1174 * simops.c: Fixed error in sb and st2w.
1175
1176Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1177
1178 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1179 DSP instructions. Added modulo addressing.
1180
1181Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1182
1183 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1184
1185Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1186
1187 * d10v_sim.h, simops.c: Snapshot.
1188
1189Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1190
1191 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1192 gencode.c, interp.c, simops.c: Created.
1193
GDB Binutils - Deliverables
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