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* config/i386/nbsd.mt (TDEPFILES): Move solib.o from here...
[thirdparty/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
27842f65
AC		 1Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
2
3 * interp.c (sim_resume): Deliver SIGILL.
4 (lookup_hash): Do not print SIGILL message.
5
baa7ae6f
AC		 6Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
7
8 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
9 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
10
ba744a4f
AC		 11Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
12
13 * d10v_sim.h (SIG_D10V_BUS): Define.
14
15 * simops.c (address_exception): Delete function.
16 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
17 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
18 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
19 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
20 address_exception with code that sets SIG_D10V_BUS.
21
22 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
23 error to the simulator before resuming execution.
24 (sim_trace): Check stop reason and use that to determine sim_trace
25 return value.
26 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
27 sigrc.
28
29Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
30
31 * interp.c (sim_create_inferior): Change internal initial value for
32 DMAP2 to 0x2000.
33
c3f6f71d
JM		 34Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
35
36 * interp.c (lookup_hash): Stop the update of the PC when there was
37 an illegal instruction exception.
38
39Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
40
41 * simops.c (address_exception): New function.
42 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
43 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
44 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
45 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
46 and "st2w" check that the address is aligned.
47
8ae7f924
FCE		 481999-12-30 Chandra Chavva <cchavva@cygnus.com>
49
50 * d10v_sim.h (INC_ADDR): Added code to assign
51 proper address for loads with predec operations.
52
c2d11a7d
JM		 531999-11-25 Nick Clifton <nickc@cygnus.com>
54
55 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
56 cpfg instruction.
57
4ce44c66
JM		 58Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
59
60 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
61 DPSW and BPSW.
62
63Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
64
65 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
66 (PSW_HW_MASK): Declare.
67
68 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
69 (SET_CREG, SET_PSW_BIT): Update.
70 (SET_HW_CREG, SET_HW_PSW): Define.
71
72Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
73
74 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
75 for DMAP3.
76
77Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
78
79 * interp.c (sim_d10v_translate_addr): New function.
80 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
81 (map_memory): Make INLINE.
82
83Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
84
85 * interp.c (sim_d10v_translate_dmap_addr): New function.
86 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
87 offset parameter to type uint16.
88 * d10v_sim.h (dmem_addr): Update declaration.
89
90Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
91
92 * interp.c (imap_register, set_imap_register, dmap_register,
93 set_imap_register): Use map_memory.
94 (DMAP): Update.
95 (sim_create_inferior): Initialize all DMAP registers. NOTE that
96 DMAP2, in internal memory mode, is set to 0x0000 and NOT
97 0x2000. This is consistent with the older d10v boards.
98
99Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
100
101 * interp.c (sim_d10v_translate_imap_addr): New function.
102 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
103 (last_from, last_to): Declare.
104
105Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
106
107 * d10v_sim.h (struct d10v_memory): Define. Support very long
108 memories.
109 (struct _state): Replace imem, dmem and umem by mem.
110 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
111 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
112
113 * interp.c (map_memory): New function.
114 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
115 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
116 (IMEM_SIZEDMEM_SIZE): Delete.
117
118Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
119
120 * interp.c: Include "sim-d10v.h".
121 (imap_register, set_imap_register, dmap_register,
122 set_dmap_register, spi_register, spu_register, set_spi_register,
123 set_spu_register): New functions.
124 (sim_create_inferior): Update.
125 (sim_fetch_register, sim_store_register): Rewrite. Use enums
126 defined in sim-d10v.h.
127
128 * d10v_sim.h (DEBUG_MEMORY): Define.
129 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
130
131Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
132
133 * interp.c (sim_open): Allow a debug value to be passed to the -t
134 option.
135 (lookup_hash): Don't exit on an illegal instruction.
136 (do_long, do_2_short, do_parallel): Check for failed instruction
137 lookup.
138
5c44784c
JM		 139Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
140
141 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 142 message.
5c44784c 143
c2c6d25f
JM		 1441999-09-14 Nick Clifton <nickc@cygnus.com>
145
146 * simops.c: Disable setting of DM bit in PSW.
147
cff3e48b
JM		 148Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
149
150 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
151 (trace_input_func): Added support for OP_MEMREF3.
152 (OP_32010000): New instruction ld.
153 (OP_33010000): New instruction ld2w.
154 (OP_5209): New instruction sac.
155 (OP_4209): New instruction sachi.
156 (OP_3220): New instruction slae.
157 (OP_36010000): New instruction st.
158 (OP_37010000): New instruction st2w.
159
1601999-09-09 Stan Shebs <shebs@andros.cygnus.com>
161
162 * interp.c (old_segment_mapping): New global.
163 (xfer_mem): Change the default segment mapping to be the way
164 that Mitsubishi prefers, but use the previous mapping if
165 old_segment_mapping is true.
166 (sim_open): Add an option -oldseg to get the old mapping.
167 (sim_create_inferior): Init mapping registers based on the
168 value of old_segment_mapping.
169
d4f3574e
SS		 1701999-09-07 Nick Clifton <nickc@cygnus.com>
171
172 * simops.c (OP_6601): Do not write back decremented address if
173 either of the destination registers was the same as the address
174 register.
175 (OP_6201): Do not write back incremented address if either of the
176 destination registers was the same as the address register.
177
178Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
179
180 * configure: Regenerated to track ../common/aclocal.m4 changes.
181
cd0fc7c3
SS		 1821999-05-08 Felix Lee <flee@cygnus.com>
183
184 * configure: Regenerated to track ../common/aclocal.m4 changes.
185
7a292a7a
SS		 1861999-04-02 Keith Seitz <keiths@cygnus.com>
187
188 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
189 defined).
190 (sim_resume): If the counter has expired, call the ui_loop_hook,
191 if defined.
192 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
193 ui_loop_hook calls.
194 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
195
196Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
197
198 * simops.c: If load instruction with auto increment/decrement
199 addressing is used when the destination register is the same as
200 the address register, then ignore the auto increment/decrement.
201
202Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
203
204 * simops.c (OP_5F00): Ifdef SYS_stat case because
205 not all systems have it defined.
206
c906108c
SS		 2071999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
208
209 * simops.c (OP_5607): Correct saturation comparison/assignment.
210 (OP_1201, OP_1203, OP_17001200, OP_17001202,
211 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
212 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
213
2141999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
215
216 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
217 comparison.
218 (OP_5607): Ditto.
219 (OP_2A00): Ditto.
220 (OP_2800): Ditto.
221
2221999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
223
224 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
225 comparison.
226
227Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
228
229 * simops.c (sys/syscall.h): Include targ-vals.h instead.
230 (SYS_*): Replace with TARGET_SYS_*.
231
232 * Makefile.in: Add dependency on targ-vals.h.
233 (NL_TARGET): Define as NL_TARGET_d10v.
234
235Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
236
237 * interp.c (xfer_mem): Missing break, instruction memory case
238 flowed into unified memory case.
239
240Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
241
242 * simops.c: If load instruction with auto increment/decrement
243 addressing is used when the destination register is the same as
244 the address register, then ignore the auto increment/decrement.
245
246Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
247
248 * configure: Regenerated to track ../common/aclocal.m4 changes.
249
250Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
251
252 * configure: Regenerated to track ../common/aclocal.m4 changes.
253 * config.in: Ditto.
254
255Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
256
257 * acconfig.h: New file.
258 * configure.in: Reverted change of Apr 24; use sinclude again.
259
260Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
261
262 * configure: Regenerated to track ../common/aclocal.m4 changes.
263 * config.in: Ditto.
264
265Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
266
267 * configure.in: Don't call sinclude.
268
269Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
270
271 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
272
273 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
274
275Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
276
277 * configure: Regenerated to track ../common/aclocal.m4 changes.
278
279Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
280
281 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
282 up-to-date CR value.
283 (OP_OP_1000000, add3): Trace inputs before performing add.
284 (OP_5F00, <*>): Trace input registers before making system call.
285 (OP_5F00, <kill>): Trace R0, R1 not REGn.
286 (OP_5F00, <getpid>): Always return 47.
287
288 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
289 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
290 back slots.
291 (struct _state): Add struct slot slot to global state variable.
292 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
293 F0, F1, C from global State variable.
294 (struct _state): Add struct trace to global State variable.
295 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
296 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
297 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
298 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
299 (JMP): Re-implement. Use SET_* to update registers.
300
301 * interp.c: Use new SET_* et.al. macros to fetch / store
302 registers.
303 (get_operands): Squirrel away trace values at start of each
304 operand decode.
305 (do_2_short): Flush pending writes before issuing second
306 instruction.
307 (sim_resume): Flush pending writes at end of instruction cycle.
308 (sim_fetch_register, sim_store_register, sim_create_inferior):
309 After scheduling updates to registers using SET_*, flush updates.
310 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
311 that each sets pc using SET_* and last SET_* eventually winds out.
312
313 * simops.c: Use new SET_* et.al. macros to fetch / store
314 registers.
315 (move_to_cr): Add MASK argument for selective update of CREG bits.
316 Re-implement using new SET_* macros.
317 (trace_output_func, trace_output): Delete. Replace with.
318 (do_trace_output_flush, trace_output_finish, trace_output_40,
319 trace_output_32, trace_output_16, trace_output_void,
320 trace_output_flag): New functions. Handle specific trace cases.
321 (OP_*): Re-write tracing to use new trace_output_* functions.
322 (OP_*): Re-write to use new SET_* et.al. macros.
323 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
324 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
325
326Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
327
328 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
329 configure: Re-generate.
330
331Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
332
333 * configure: Regenerated to track ../common/aclocal.m4 changes.
334
335Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
336
337 * configure: Regenerated to track ../common/aclocal.m4 changes.
338
339Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
340
341 * configure: Regenerated to track ../common/aclocal.m4 changes.
342
343Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
344
345 * interp.c (sim_store_register, sim_fetch_register): Pass in
346 length parameter. Return -1.
347
348Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
349
350 * (dmem_addr): If address is illegal or in I/O space, signal a bus
351 error. Allocate unified memory on demand. Fix DMEM address
352 calculations.
353
354Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
355
356 * simops.c (OP_5F20): Implement "dbt".
357 (OP_5F60): Implement "rtd".
358
359 * d10v_sim.h (DPC_CR): Define enum.
360 (DBT_VECTOR_START): Define
361 (DPSW, DPC): Define.
362
363Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
364
365 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
366 to PSW:SM.
367
368 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
369 (SP_IDX): Define.
370
371Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
372
373 * simops.c (OP_5F00): Call error instead of abort for unknown
374 syscalls.
375
376 * d10v_sim.h (enum): Define DPSW_CR.
377
378 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
379
380Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
381
382 * interp.c (sim_write_phys): Delete.
383 (sim_load): Call sim_load_file with sim_write and LMA.
384
385Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
386
387 * interp.c: Rewrite xfer_mem so that it translates addresses as -
388 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
389 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
390 memory.
391 (pc_addr): Delete.
392 (imem_addr): New function - translate IMEM address.
393 (sim_resume): Use imem_addr to translate insn address, abort if
394 translation failed.
395 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
396 argc/argv using r0/r1 not r2/r3.
397 (sim_size): Do not initialize IMAP/DMAP here.
398 (sim_open): Call sim_create_inferior and sim_size to initialize
399 the system.
400 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
401 defaults.
402 (init_system): Delete.
403 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
404 init_system.
405 (decode_pc): Check prog_bfd is defined before looking up .text
406 section.
407
408Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
409
410 * configure: Regenerated to track ../common/aclocal.m4 changes.
411
412Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
413
414 * configure: Regenerated to track ../common/aclocal.m4 changes.
415
416Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
417
418 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
419
420Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
421
422 * d10v_sim.h (DEBUG_TRAP): New debug flag.
423
424 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
425 printing the registers.
426
427Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
428
429 * simops.c (op_types): New ABI, args are r0..r3, system call # is
430 in r4.
431 (trace_{in,out}put_func): Ditto.
432 (OP_4900): Ditto.
433 (OP_24800000): Ditto.
434 (OP_4D00): Ditto.
435 (OP_5F00): Ditto.
436
437Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
438
439 * interp.c (UMEM_SEGMENTS): New define, set to 128.
440 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
441 (sim_close): Reset prog_bfd to NULL after closing it. Also
442 reset prog_bfd_was_opened_p after closing prog_bfd.
443 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
444 (sim_create_inferior): Get start address from abfd not prog_bfd.
445 (xfer_mem): Do bounds checking on addresses and return zero length
446 read/write on bad addresses, rather than aborting. Prepare to
447 be able to handle xfers that cross segment boundaries, but not
448 yet implemented. Only emit debug message when d10v_debug is
449 set as well as DEBUG being defined.
450
451Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
452
453 * configure: Regenerated to track ../common/aclocal.m4 changes.
454
455Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
456
457 * configure: Regenerated to track ../common/aclocal.m4 changes.
458 * config.in: Ditto.
459
460Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
461
462 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
463 (BPSW): Ditto for BPSW_CR and not PSW_CR.
464
465 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
466
467Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
468
469 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
470 reserved trap from 0 to 15. Add trap emulation code for 0-14.
471
472 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
473 IBA for SDBT.
474
475 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
476 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
477
478 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
479 use move_to_cr.
480 (OP_5F00): For "trap", update BPSW with move_to_cr.
481
482Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
483
484 * d10v_sim.h (enum): Enumerate CR register names.
485 (enum): Enumerate PSW bit values.
486 (PSW): Obtain value uing move_from_cr.
487 (MOD_S, MOD_E, BPSW): Make r-values.
488 (move_from_cr, move_to_cr): Declare functions.
489
490 * interp.c (sim_fetch_register, sim_store_register): Use
491 move_from_cr and move_to_cr for CR register transfers.
492
493 * simops.c (move_from_cr, move_to_cr): New functions.
494 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
495 (OP_5600): For "mvtc", use function move_to_cr.
496 (OP_5200): For "mvfc", use function move_from_cr.
497
498Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
499
500 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
501 LSbit is zero.
502
503Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
504
505 * configure: Regenerated to track ../common/aclocal.m4 changes.
506
507Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
508
509 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
510
511 * simops.c (OP_5600): For "mvtc", save PSW.DM.
512 (OP_5200): Ditto for "mvfc".
513
514Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
515
516 * d10v_sim.h (SEXT56): Define.
517
518 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
519 it is shifted.
520
521 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
522 SIGNED64 macro.
523
524Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
525
526 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
527 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
528 don't match enum values.
529
530Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
531
532 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
533 bit rather than 16 bit precision.
534 (OP_3C00): For "mulxu", store unsigned product in ACC.
535 (OP_3800): For "msbu", subtract unsigned product from ACC,
536 (OP_0): For "sub", compute carry by comparing inputs.
537
538Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
539
540 * simops.c (OP_1000): For "sub2w", compute carry by comparing
541 inputs.
542
543Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
544
545 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
546 carry indicated by value > 0xffff.
547
548Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
549
550 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
551 handled by client.
552 (sim_resume): Fix race condition of a direct assignment to
553 stop_simulator, conditionally call sim_stop.
554 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
555 stop_simulator ready for next sim_resume call.
556 (sim_ctrl_c): Delete function.
557
558Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
559
560 * interp.c (sim_resume): For "REP", only check/update the PC when
561 a branch instruction has not been executed.
562
563Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
564
565 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
566 extend bit 44 all constants.
567 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
568
569Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
570
571 * d10v_sim.h: Include sim-types.h.
572 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
573 using unsigned8 et.al. from sim-types.h.
574 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
575 SIGNED64 macro.
576
577Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
578
579 * interp.c (sim_write_phys): New function, write to physical
580 instead of virtual memory.
581
582 * interp.c (sim_load): Pass lma_p and sim_write_phys to
583 sim_load_file.
584
585Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
586
587 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
588 exception generation code to OP_6E01.
589 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
590 generation code.
591
592Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
593
594 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
595 (OP_6601): Ditto.
596
597Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
598
599 * configure: Regenerated to track ../common/aclocal.m4 changes.
600
601Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
602
603 * interp.c (pc_addr): Discard upper bit(s) of PC in case
604 IMAP1 selects unified memory.
605 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
606 for end condition.
607
608Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
609
610 * configure: Regenerated to track ../common/aclocal.m4 changes.
611
612Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
613
614 * configure: Regenerated to track ../common/aclocal.m4 changes.
615
616Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
617
618 * configure: Regenerated to track ../common/aclocal.m4 changes.
619
620Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
621
622 * configure: Regenerated to track ../common/aclocal.m4 changes.
623
624Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
625
626 * configure: Regenerated to track ../common/aclocal.m4 changes.
627
628Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
629
630 * interp.c (sim_resume): Increment PC at end of rep
631 loop.
632
633 * simops.c (OP_4201): Fix rachi instruction.
634
635Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
636
637 * configure: Regenerated to track ../common/aclocal.m4 changes.
638
639Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
640
641 * configure: Regenerated to track ../common/aclocal.m4 changes.
642 * config.in: Ditto.
643
644Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
645
646 * interp.c (sim_kill): Delete.
647 (sim_create_inferior): Add ABFD argument.
648 (sim_load): Move setting of PC from here.
649 (sim_create_inferior): To here.
650 (start_address): Delete variable.
651
652Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
653
654 * configure: Regenerated to track ../common/aclocal.m4 changes.
655 * config.in: Ditto.
656
657Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
658
659 * interp.c (sim_open): Add ABFD argument.
660
661Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
662
663 * interp.c (sim_open): Add callback argument.
664 (sim_set_callbacks): Remove SIM_DESC argument.
665
666Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
667
668 * configure: Regenerated to track ../common/aclocal.m4 changes.
669
670Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
671
672 * interp.c (sim_open): Undo patch to add -E support.
673
674Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
675
676 * interp.c (sim_stop): New function.
677
678Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
679
680 * Makefile.in (SIM_OBJS): Add sim-load.o.
681 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
682 * interp.c: #include bfd.h.
683 (myname, sim_kind, start_address): New static locals.
684 (prog_bfd_was_opened_p, prog_bfd): New static locals.
685 (decode_pc): Update to use prog_bfd.
686 (sim_open): Set sim_kind, myname. Ignore -E arg.
687 (sim_close): Close prog_bfd if simulator opened it.
688 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
689 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
690 Call sim_load_file to load file into simulator.
691 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
692
693Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
694
695 * simops.c (OP_5F00): Only provide system calls SYS_execv,
696 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
697
698Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
699
700 * configure: Regenerated to track ../common/aclocal.m4 changes.
701 * config.in: Ditto.
702
703Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
704
705 * interp.c (sim_open): New arg `kind'.
706
707 * configure: Regenerated to track ../common/aclocal.m4 changes.
708
709Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
710
711 * configure: Regenerated to track ../common/aclocal.m4 changes.
712
713Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
714
715 * configure: Re-generate.
716
717Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
718
719 * configure: Regenerate to track ../common/aclocal.m4 changes.
720
721 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
722 as trap 0, which will be deprecated. Only set errno, if an error
723 in fact was returned.
724
725Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
726
727 * interp.c: Delete redundant prototypes of sim_foo fns.
728 (sim_open): New SIM_DESC result. Argument is now in argv form.
729 (other sim_*): New SIM_DESC argument.
730
731Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
732
733 * simops.c (trace_{input,output}_func): Call flush_stdout from the
734 callback functions.
735 (OP_5F00): Ditto.
736 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
737 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
738 setting the carry bit after an add or a subtract.
739
740Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
741
742 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
743 40 bits of accumulators. Sign/zero extend as appropriate.
744
745Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
746
747 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
748 COMMON_{PRE,POST}_CONFIG_FRAG instead.
749 * configure.in: sinclude ../common/aclocal.m4.
750 * configure: Regenerated.
751
752Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
753
754 * configure configure.in Makefile.in: Update to new configure
755 scheme which is more compatible with WinGDB builds.
756 * configure.in: Improve comment on how to run autoconf.
757 * configure: Re-run autoconf to get new ../common/aclocal.m4.
758 * Makefile.in: Use autoconf substitution to install common
759 makefile fragment.
760
761Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
762
763 * gencode.c: patch to not #include "d10v_sim.h" which
764 unecessarily includes bfd.h and causes wingdb configure
765 to fail.
766
767Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
768
769 * interp.c (xfer_mem): Change unified memory to 0x0.
770
771Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
772
773 * simops.c (OP_3E01): Fix tracing information.
774 (OP_300{0,1}): Do not propigate sign.
775
776Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
777
778 * config.in (WORDS_BIGENDIAN): Add.
779 * configure: Regenerated.
780 * d10v_sim.h: #include "config.h"
781
782Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
783
784 * gencode.c (write_opcodes): Eliminate warnings when generated
785 table.c is compiled.
786
787Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
788
789 * interp.c (sim_open): Cast result of calloc, and make sure NULL
790 was not returned.
791 (dmem_addr): If address is illegal or in I/O space, signal a bus
792 error.
793 (pc_addr): Signal bus error, not illegal instruction for bogus
794 pc.
795
796Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
797
798 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
799 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
800 * configure.in: Simplify using macros in ../common/aclocal.m4.
801 Call AC_CHECK_HEADERS(unistd.h).
802 * configure: Regenerated.
803 * config.in: New file.
804 * interp.c: #include "callback.h".
805 * simops.c: #include "config.h". #include <unistd.h> if present.
806
807Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
808
809 * d10v-sim.h (simops): Add flag is_long.
810 (State): Add pc_changed. Instructions which update the PC should
811 use the JMP macro which sets this.
812 (JMP): New macro. Sets the PC and the pc_changed flag.
813
814 * gencode.c (write_opcodes): Add is_long field.
815
816 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
817 to a long opcode we could get a false match. Check the opcode size.
818 (hash): Add a size field to the hash table.
819 (sim_open): Initialize size field in hash table.
820 (sim_resume): Change to logic for setting the PC. Used to increment the
821 PC if it had not been changed. This didn't allow single-instruction loops.
822 Now checks the flag State.pc_changed. Also now stops when ^C is received.
823 (dmem_addr): Fix translation of data segments to unified memory.
824 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
825
826 * simops.c: Changed all branch and jump instructions to use new JMP macro.
827 (OP_20000000): Corrected trace information to show this is a ldi.l, not
828 a ldi.s instruction.
829
830Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
831
832 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
833 updating the accumulators was overwriting other parts of the global
834 State variable.
835
836Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
837
838 * interp.c (bfd.h) Don't include it here any more.
839 (text{,_start,_end}): Move here from simops.c and make extern.
840 (decode_pc): New function to return the PC as an address that the
841 debugger can use.
842 (dmem_addr): Print decoded PC in error message.
843 (pc_addr): Ditto.
844
845 * simops.c (bfd.h) Don't include it here any more.
846 (text{,_start,_end}): Move to simops.c.
847 (trace_input_func): Move decoding of PC, and looking up .text
848 start to decode_pc.
849
850 * d10v_sim.h (bfd.h): Include it here.
851 (text{,_start,_end}): Add external declarations.
852 (exec_bfd): Ditto.
853 (decode_pc): Ditto.
854
855Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
856
857 * interp.c (sim_size): Now allocates unified memory for imap segments
858 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
859 (sim_write): Just call xfer_mem().
860 (sim_read): Just call xfer_mem().
861 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
862 (dmem_addr): New function. Reads dmap register and translates data
863 addresses to local addresses.
864 (pc_addr): New function. Reads imap register and computes local address
865 corresponding to contents of the PC.
866 (sim_resume): Change to use pc_addr().
867 (sim_create_inferior): Change reinitialization code. Also reinitializes
868 imap[01] and dmap.
869 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
870 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
871
872 * simops.c (MEMPTR): Redefine to use dmem_addr().
873 (OP_5F00): Replace references to STate.imem with dmem_addr().
874
875 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
876 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
877 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
878
879Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
880
881 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
882 better statistics, like not counting NOPS as parallel
883 instructions, and printing total cycles.
884 (ins_type_counters): Make unsigned long.
885 (left_nops,right_nops): Fold into ins_type_counters.
886
887 * simops.c (trace_input_func): Print new instruction types.
888 Handle OP_R2R3 as input types.
889 (OP_{38000000,7000}): Correctly sign extend bytes.
890 (OP_5E00): Don't count NOPs as parallel instructions.
891 (OP_460B): Remove unused variable.
892 (OP_5F00): Ditto.
893
894 * interp.c (ins_type_counters): Make unsigned long.
895 (left_nops,right_nops): Delete.
896 (most functions): Add prototypes.
897 (INLINE): If GCC and optimize define as __inline__.
898 ({,lookup_}hash,get_operands): Declare as INLINE.
899 (do_parallel): Count conditional operations.
900 (add_commas): New function, to add commas every 3 digits.
901 (sim_size): Call add_commas to print numbers.
902 (sim_{open,resume}): Delete unused variables.
903 (sim_info): Provide better statistics.
904 (sim_read): Add int return type.
905
906Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
907
908 * interp.c (sim_resume): Change the way single-stepping and exceptions
909 are handled so single-stepping works again.
910
911Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
912
913 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
914 endian hosts.
915
916 * configure.in (--enable-sim-bswap): New switch to enable using
917 the BSWAP instruction on x86's.
918 * configure: Regenerate.
919
920 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
921 support.
922
923Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
924
925 * endian.c: New file. Move endian functions here from interp.c.
926 Optimize code, and make it work as either inline functions or as a
927 separate file.
928
929 * interp.c: Move endian functions from here to endian.c.
930
931 * Makefile.in (INCLUDE): Add endian.c.
932 (run,libsim.a): Add dependency on endian.o.
933 (endian.o): Add dependency.
934
935 * d10v_sim.h (read/write support): Always go through the machine
936 independent endian functions. If compiling with GCC and
937 optimizing, include endian.c so the endian functions are inlined.
938
939 * simops.c (OP_5F00): Correct tracing of accumulators.
940
941Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
942
943 * simops.c (OP_5F00): Add support for getpid, kill system calls.
944
945 * interp.c (do_{2_short,parallel}): If an exception is raised,
946 don't execute the second instruction.
947
948Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
949
950 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
951 temporary in case the register is overriden when loading.
952 (OP_6200): Output type is OP_DREG for tracing.
953
954Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
955
956 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
957
958 * interp.c (sim_size): Initialize mem_{min,max} fields.
959 (sim_write): Update mem_{min,max} fields.
960 (sim_resume): If PC is not in the minimum/maximum memory range,
961 abort.
962 (sim_create_inferior): Preserve mem_{min,max} fields.
963
964Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
965
966 * simops.c (OP_5F00): Add support for time() system call.
967
968Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
969
970 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
971 stored if tracing.
972 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
973 system calls.
974
975Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
976
977 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
978 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
979 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
980 to call/subroutine returns to trace the first two arguments and
981 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
982
983Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
984
985 * interp.c (sim_create_inferior): Reinitialize State every time
986 sim_create_inferior() is called.
987
988Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
989
990 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
991 on comparisons.
992 (OP_401): Fix tracing information.
993
994Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
995
996 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
997 (trace_input_func): Use them.
998 (trace_input_func): Make sure there is a trailing space after the
999 instruction.
1000 (OP_6200): Fix tracing info.
1001
1002 * Makefile.in (run): Add dependencies on libbfd.a and
1003 libiberity.a.
1004
1005Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1006
1007 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1008 numbers and function names in debug trace.
1009 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1010 DEBUG_LINE_NUMBER.
1011 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1012 and exit system call trap being executed.
1013
1014 * interp.c (sim_stop_reason): Set exit code correctly for stop
1015 instruction and exit system call trap.
1016
1017 * configure.in (--enable-sim-cflags): Remove trace case.
1018 (--enable-sim-debug): New switch to set the debug values.
1019 * configure: Regenerate.
1020
1021 * simops.c (trace_{input,output}_func): Rename from
1022 trace_{input,output}.
1023 (trace_{input,output}): Call trace_{input,output}_func if
1024 d10v_debug is non-zero.
1025 (SIZE_INSTRUCTION): Cut down to 8.
1026 (SIZE_OPERANDS): Cut down to 18.
1027 (SIZE_LOCATION): New value for size of line number, function name
1028 field.
1029 (init_text_p,text{,_start,_end}): New static variables for
1030 printing line number and function name.
1031 (exec_bfd): New external that run.c sets.
1032 (trace_input_func): Print line number and function name if
1033 available and if desired.
1034 (OP_4E09): Don't print out DBT message.
1035 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1036 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1037
1038Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1039
1040 * interp.c (do_2_short): If the instruction encodes jump->ins,
1041 don't do the second instruction if the jump succeeds.
1042
1043Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1044
1045 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1046 accumulators, PC, and F0/F1/C flags.
1047
1048Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1049
1050 * simops.c (OP_5F00): Fix problems with system calls.
1051
1052Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1053
1054 * simops.c (OP_5F00): Correct tracing information for trap.
1055
1056Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1057
1058 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1059
1060Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1061
1062 * simops.c (trace_output): Properly align accumulator output.
1063 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1064 if shift count is too high.
1065 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1066 (OP_4E09): Make cpfg properly trace the input flags.
1067 (op_types): Add OP_FLAG_OUTPUT.
1068 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1069 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1070 an 8-bit memory reference instruction for tracing purposes.
1071 (OP_201): Addi needs to set the carry.
1072
1073Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1074
1075 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1076 to use signed register values.
1077
1078Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1079
1080 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1081 output.
1082 (_ins_type): New enumeration to specify which container an
1083 instruction is in, and whether it is part of a parallel operation.
1084 (_state): Add ins_type field.
1085 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1086 (ins_type_counters): Counters for the various instruction types.
1087 ({left,right}_nops): Counters for the number of nops in each
1088 container.
1089 (d10v_debug): New variable to indicate whether debugging is turned
1090 on.
1091
1092 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1093 the input and output values can be traced, along with the
1094 instruction type. Make the -t option enable tracing.
1095 (all functions): Change printf calls to use the printf_filtered
1096 function in the callback table.
1097
1098 * interp.c (_leftright): New enumeration to say whether 2 short
1099 instructions are done left first or right first.
1100 (do_{long,2_short,parallel}): Indicate in the machine state which
1101 type of instruction this is. Count each of the types of
1102 instructions executed.
1103 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1104 flag is set.
1105 (sim_resume): Pass left/right indication to do_2_short.
1106 (all functions): Change printf calls to use the printf_filtered
1107 function in the callback table.
1108 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1109 sim_resume.
1110 (sim_info): Print out statistics on instructions.
1111 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1112 debugging.
1113 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1114 Only initialize the hash table the first time sim_open is called.
1115
1116 * Makefile.in: Make objects depend on d10v_sim.h.
1117 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1118 CFLAGS does not override host/target defines or SIM_CFLAGS.
1119 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1120 (run): By default, the math library is not needed to be linked
1121 in.
1122 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1123 overridden.
1124 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1125 makes.
1126 ({run,callback}.o): Provide explicit paths to their appropriate
1127 source directories.
1128 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1129 and linking. Instead of linking in libopcodes.a, just compile
1130 d10v-opc.o directly to handle canadian cross.
1131 (CSEARCH): Add opcodes directory.
1132
1133 * configure.in (--enable-sim-cflags): New switch to allow user to
1134 set the defaults.
1135 (CC_FOR_BUILD): Deal with canadian crosses.
1136 * configure: Regenerate.
1137
1138Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1139
1140 * simops.c: Include correct syscall.h for d10v, not host's.
1141 Fix #ifdef SYS_stat.
1142
1143Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1144
1145 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1146 Add trap 2 to be printf and trap 3 to be putchar.
1147
1148Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1149
1150 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1151 for low-level system calls.
1152
1153Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1154
1155 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1156
1157Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1158
1159 * d10v_sim.h (SEXT32): Added.
1160 * interp.c: Commented out printfs.
1161 * simops.c: Fixed error in sb and st2w.
1162
1163Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1164
1165 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1166 DSP instructions. Added modulo addressing.
1167
1168Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1169
1170 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1171
1172Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1173
1174 * d10v_sim.h, simops.c: Snapshot.
1175
1176Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1177
1178 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1179 gencode.c, interp.c, simops.c: Created.
1180
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