1 2002-06-09 Andrew Cagney <cagney@redhat.com>
3 * Makefile.in (INCLUDE): Update path to callback.h.
4 * gencode.c: Do not include "callback.h".
5 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
8 2002-06-08 Andrew Cagney <cagney@redhat.com>
10 * interp.c (sim_fetch_register): Fix name of enum used in cast.
11 (sim_store_register): Ditto.
13 2002-06-02 Elena Zannoni <ezannoni@redhat.com>
15 From Jason Eckhardt <jle@redhat.com>
16 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
17 less than MOD_S (post-decrement).
19 2002-06-01 Andrew Cagney <ac131313@redhat.com>
21 * interp.c (sim_fetch_register, sim_store_register): Use a switch
22 statement and enums from "sim-d10v.h".
24 2002-05-28 Elena Zannoni <ezannoni@redhat.com>
26 * interp.c (sim_create_inferior): Add comment.
28 From Alan Matsuoka <alanm@redhat.com>:
29 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
30 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
31 (OP_4401): Output "mvf0t" instead of "mf0t".
32 (OP_460B): Do not output a flag register.
33 (OP_4609): Do not output a flag register.
35 2002-05-23 Andrew Cagney <ac131313@redhat.com>
37 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
38 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
40 2001-08-01 John R. Moore <jmoore@redhat.com>
42 * interp.c (sim_create_inferior): Removed a hack that stated
43 it was setting r0/r1 with argc/argv.
45 2001-04-15 J.T. Conklin <jtc@redback.com>
47 * Makefile.in (simops.o): Add simops.h to dependency list.
49 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
51 * configure: Regenerated to track ../common/aclocal.m4 changes.
53 Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
55 * interp.c (sim_resume): Deliver SIGILL.
56 (lookup_hash): Do not print SIGILL message.
58 Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
60 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
61 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
63 Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
65 * d10v_sim.h (SIG_D10V_BUS): Define.
67 * simops.c (address_exception): Delete function.
68 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
69 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
70 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
71 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
72 address_exception with code that sets SIG_D10V_BUS.
74 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
75 error to the simulator before resuming execution.
76 (sim_trace): Check stop reason and use that to determine sim_trace
78 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
81 Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
83 * interp.c (sim_create_inferior): Change internal initial value for
86 Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
88 * interp.c (lookup_hash): Stop the update of the PC when there was
89 an illegal instruction exception.
91 Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
93 * simops.c (address_exception): New function.
94 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
95 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
96 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
97 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
98 and "st2w" check that the address is aligned.
100 1999-12-30 Chandra Chavva <cchavva@cygnus.com>
102 * d10v_sim.h (INC_ADDR): Added code to assign
103 proper address for loads with predec operations.
105 1999-11-25 Nick Clifton <nickc@cygnus.com>
107 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
110 Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
112 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
115 Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
117 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
118 (PSW_HW_MASK): Declare.
120 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
121 (SET_CREG, SET_PSW_BIT): Update.
122 (SET_HW_CREG, SET_HW_PSW): Define.
124 Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
126 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
129 Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
131 * interp.c (sim_d10v_translate_addr): New function.
132 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
133 (map_memory): Make INLINE.
135 Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
137 * interp.c (sim_d10v_translate_dmap_addr): New function.
138 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
139 offset parameter to type uint16.
140 * d10v_sim.h (dmem_addr): Update declaration.
142 Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
144 * interp.c (imap_register, set_imap_register, dmap_register,
145 set_imap_register): Use map_memory.
147 (sim_create_inferior): Initialize all DMAP registers. NOTE that
148 DMAP2, in internal memory mode, is set to 0x0000 and NOT
149 0x2000. This is consistent with the older d10v boards.
151 Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
153 * interp.c (sim_d10v_translate_imap_addr): New function.
154 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
155 (last_from, last_to): Declare.
157 Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
159 * d10v_sim.h (struct d10v_memory): Define. Support very long
161 (struct _state): Replace imem, dmem and umem by mem.
162 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
163 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
165 * interp.c (map_memory): New function.
166 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
167 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
168 (IMEM_SIZEDMEM_SIZE): Delete.
170 Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
172 * interp.c: Include "sim-d10v.h".
173 (imap_register, set_imap_register, dmap_register,
174 set_dmap_register, spi_register, spu_register, set_spi_register,
175 set_spu_register): New functions.
176 (sim_create_inferior): Update.
177 (sim_fetch_register, sim_store_register): Rewrite. Use enums
178 defined in sim-d10v.h.
180 * d10v_sim.h (DEBUG_MEMORY): Define.
181 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
183 Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
185 * interp.c (sim_open): Allow a debug value to be passed to the -t
187 (lookup_hash): Don't exit on an illegal instruction.
188 (do_long, do_2_short, do_parallel): Check for failed instruction
191 Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
193 * simops.c (OP_3220): Fix trace output for illegal accumulator
196 1999-09-14 Nick Clifton <nickc@cygnus.com>
198 * simops.c: Disable setting of DM bit in PSW.
200 Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
202 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
203 (trace_input_func): Added support for OP_MEMREF3.
204 (OP_32010000): New instruction ld.
205 (OP_33010000): New instruction ld2w.
206 (OP_5209): New instruction sac.
207 (OP_4209): New instruction sachi.
208 (OP_3220): New instruction slae.
209 (OP_36010000): New instruction st.
210 (OP_37010000): New instruction st2w.
212 1999-09-09 Stan Shebs <shebs@andros.cygnus.com>
214 * interp.c (old_segment_mapping): New global.
215 (xfer_mem): Change the default segment mapping to be the way
216 that Mitsubishi prefers, but use the previous mapping if
217 old_segment_mapping is true.
218 (sim_open): Add an option -oldseg to get the old mapping.
219 (sim_create_inferior): Init mapping registers based on the
220 value of old_segment_mapping.
222 1999-09-07 Nick Clifton <nickc@cygnus.com>
224 * simops.c (OP_6601): Do not write back decremented address if
225 either of the destination registers was the same as the address
227 (OP_6201): Do not write back incremented address if either of the
228 destination registers was the same as the address register.
230 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
232 * configure: Regenerated to track ../common/aclocal.m4 changes.
234 1999-05-08 Felix Lee <flee@cygnus.com>
236 * configure: Regenerated to track ../common/aclocal.m4 changes.
238 1999-04-02 Keith Seitz <keiths@cygnus.com>
240 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
242 (sim_resume): If the counter has expired, call the ui_loop_hook,
244 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
246 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
248 Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
250 * simops.c: If load instruction with auto increment/decrement
251 addressing is used when the destination register is the same as
252 the address register, then ignore the auto increment/decrement.
254 Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
256 * simops.c (OP_5F00): Ifdef SYS_stat case because
257 not all systems have it defined.
259 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
261 * simops.c (OP_5607): Correct saturation comparison/assignment.
262 (OP_1201, OP_1203, OP_17001200, OP_17001202,
263 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
264 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
266 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
268 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
274 1999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
276 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
279 Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
281 * simops.c (sys/syscall.h): Include targ-vals.h instead.
282 (SYS_*): Replace with TARGET_SYS_*.
284 * Makefile.in: Add dependency on targ-vals.h.
285 (NL_TARGET): Define as NL_TARGET_d10v.
287 Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
289 * interp.c (xfer_mem): Missing break, instruction memory case
290 flowed into unified memory case.
292 Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
294 * simops.c: If load instruction with auto increment/decrement
295 addressing is used when the destination register is the same as
296 the address register, then ignore the auto increment/decrement.
298 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
300 * configure: Regenerated to track ../common/aclocal.m4 changes.
302 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
304 * configure: Regenerated to track ../common/aclocal.m4 changes.
307 Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
309 * acconfig.h: New file.
310 * configure.in: Reverted change of Apr 24; use sinclude again.
312 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
314 * configure: Regenerated to track ../common/aclocal.m4 changes.
317 Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
319 * configure.in: Don't call sinclude.
321 Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
323 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
325 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
327 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
329 * configure: Regenerated to track ../common/aclocal.m4 changes.
331 Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
333 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
335 (OP_OP_1000000, add3): Trace inputs before performing add.
336 (OP_5F00, <*>): Trace input registers before making system call.
337 (OP_5F00, <kill>): Trace R0, R1 not REGn.
338 (OP_5F00, <getpid>): Always return 47.
340 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
341 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
343 (struct _state): Add struct slot slot to global state variable.
344 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
345 F0, F1, C from global State variable.
346 (struct _state): Add struct trace to global State variable.
347 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
348 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
349 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
350 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
351 (JMP): Re-implement. Use SET_* to update registers.
353 * interp.c: Use new SET_* et.al. macros to fetch / store
355 (get_operands): Squirrel away trace values at start of each
357 (do_2_short): Flush pending writes before issuing second
359 (sim_resume): Flush pending writes at end of instruction cycle.
360 (sim_fetch_register, sim_store_register, sim_create_inferior):
361 After scheduling updates to registers using SET_*, flush updates.
362 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
363 that each sets pc using SET_* and last SET_* eventually winds out.
365 * simops.c: Use new SET_* et.al. macros to fetch / store
367 (move_to_cr): Add MASK argument for selective update of CREG bits.
368 Re-implement using new SET_* macros.
369 (trace_output_func, trace_output): Delete. Replace with.
370 (do_trace_output_flush, trace_output_finish, trace_output_40,
371 trace_output_32, trace_output_16, trace_output_void,
372 trace_output_flag): New functions. Handle specific trace cases.
373 (OP_*): Re-write tracing to use new trace_output_* functions.
374 (OP_*): Re-write to use new SET_* et.al. macros.
375 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
376 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
378 Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
380 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
381 configure: Re-generate.
383 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
385 * configure: Regenerated to track ../common/aclocal.m4 changes.
387 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
389 * configure: Regenerated to track ../common/aclocal.m4 changes.
391 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
393 * configure: Regenerated to track ../common/aclocal.m4 changes.
395 Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
397 * interp.c (sim_store_register, sim_fetch_register): Pass in
398 length parameter. Return -1.
400 Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
402 * (dmem_addr): If address is illegal or in I/O space, signal a bus
403 error. Allocate unified memory on demand. Fix DMEM address
406 Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
408 * simops.c (OP_5F20): Implement "dbt".
409 (OP_5F60): Implement "rtd".
411 * d10v_sim.h (DPC_CR): Define enum.
412 (DBT_VECTOR_START): Define
415 Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
417 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
420 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
423 Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
425 * simops.c (OP_5F00): Call error instead of abort for unknown
428 * d10v_sim.h (enum): Define DPSW_CR.
430 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
432 Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
434 * interp.c (sim_write_phys): Delete.
435 (sim_load): Call sim_load_file with sim_write and LMA.
437 Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
439 * interp.c: Rewrite xfer_mem so that it translates addresses as -
440 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
441 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
444 (imem_addr): New function - translate IMEM address.
445 (sim_resume): Use imem_addr to translate insn address, abort if
447 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
448 argc/argv using r0/r1 not r2/r3.
449 (sim_size): Do not initialize IMAP/DMAP here.
450 (sim_open): Call sim_create_inferior and sim_size to initialize
452 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
454 (init_system): Delete.
455 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
457 (decode_pc): Check prog_bfd is defined before looking up .text
460 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
462 * configure: Regenerated to track ../common/aclocal.m4 changes.
464 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
466 * configure: Regenerated to track ../common/aclocal.m4 changes.
468 Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
470 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
472 Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
474 * d10v_sim.h (DEBUG_TRAP): New debug flag.
476 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
477 printing the registers.
479 Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
481 * simops.c (op_types): New ABI, args are r0..r3, system call # is
483 (trace_{in,out}put_func): Ditto.
485 (OP_24800000): Ditto.
489 Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
491 * interp.c (UMEM_SEGMENTS): New define, set to 128.
492 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
493 (sim_close): Reset prog_bfd to NULL after closing it. Also
494 reset prog_bfd_was_opened_p after closing prog_bfd.
495 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
496 (sim_create_inferior): Get start address from abfd not prog_bfd.
497 (xfer_mem): Do bounds checking on addresses and return zero length
498 read/write on bad addresses, rather than aborting. Prepare to
499 be able to handle xfers that cross segment boundaries, but not
500 yet implemented. Only emit debug message when d10v_debug is
501 set as well as DEBUG being defined.
503 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
505 * configure: Regenerated to track ../common/aclocal.m4 changes.
507 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
509 * configure: Regenerated to track ../common/aclocal.m4 changes.
512 Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
514 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
515 (BPSW): Ditto for BPSW_CR and not PSW_CR.
517 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
519 Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
521 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
522 reserved trap from 0 to 15. Add trap emulation code for 0-14.
524 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
527 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
528 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
530 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
532 (OP_5F00): For "trap", update BPSW with move_to_cr.
534 Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
536 * d10v_sim.h (enum): Enumerate CR register names.
537 (enum): Enumerate PSW bit values.
538 (PSW): Obtain value uing move_from_cr.
539 (MOD_S, MOD_E, BPSW): Make r-values.
540 (move_from_cr, move_to_cr): Declare functions.
542 * interp.c (sim_fetch_register, sim_store_register): Use
543 move_from_cr and move_to_cr for CR register transfers.
545 * simops.c (move_from_cr, move_to_cr): New functions.
546 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
547 (OP_5600): For "mvtc", use function move_to_cr.
548 (OP_5200): For "mvfc", use function move_from_cr.
550 Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
552 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
555 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
557 * configure: Regenerated to track ../common/aclocal.m4 changes.
559 Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
561 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
563 * simops.c (OP_5600): For "mvtc", save PSW.DM.
564 (OP_5200): Ditto for "mvfc".
566 Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
568 * d10v_sim.h (SEXT56): Define.
570 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
573 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
576 Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
578 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
579 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
580 don't match enum values.
582 Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
584 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
585 bit rather than 16 bit precision.
586 (OP_3C00): For "mulxu", store unsigned product in ACC.
587 (OP_3800): For "msbu", subtract unsigned product from ACC,
588 (OP_0): For "sub", compute carry by comparing inputs.
590 Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
592 * simops.c (OP_1000): For "sub2w", compute carry by comparing
595 Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
597 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
598 carry indicated by value > 0xffff.
600 Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
602 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
604 (sim_resume): Fix race condition of a direct assignment to
605 stop_simulator, conditionally call sim_stop.
606 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
607 stop_simulator ready for next sim_resume call.
608 (sim_ctrl_c): Delete function.
610 Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
612 * interp.c (sim_resume): For "REP", only check/update the PC when
613 a branch instruction has not been executed.
615 Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
617 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
618 extend bit 44 all constants.
619 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
621 Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
623 * d10v_sim.h: Include sim-types.h.
624 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
625 using unsigned8 et.al. from sim-types.h.
626 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
629 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
631 * interp.c (sim_write_phys): New function, write to physical
632 instead of virtual memory.
634 * interp.c (sim_load): Pass lma_p and sim_write_phys to
637 Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
639 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
640 exception generation code to OP_6E01.
641 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
644 Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
646 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
649 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
651 * configure: Regenerated to track ../common/aclocal.m4 changes.
653 Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
655 * interp.c (pc_addr): Discard upper bit(s) of PC in case
656 IMAP1 selects unified memory.
657 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
660 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
662 * configure: Regenerated to track ../common/aclocal.m4 changes.
664 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
666 * configure: Regenerated to track ../common/aclocal.m4 changes.
668 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
670 * configure: Regenerated to track ../common/aclocal.m4 changes.
672 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
674 * configure: Regenerated to track ../common/aclocal.m4 changes.
676 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
678 * configure: Regenerated to track ../common/aclocal.m4 changes.
680 Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
682 * interp.c (sim_resume): Increment PC at end of rep
685 * simops.c (OP_4201): Fix rachi instruction.
687 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
689 * configure: Regenerated to track ../common/aclocal.m4 changes.
691 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
693 * configure: Regenerated to track ../common/aclocal.m4 changes.
696 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
698 * interp.c (sim_kill): Delete.
699 (sim_create_inferior): Add ABFD argument.
700 (sim_load): Move setting of PC from here.
701 (sim_create_inferior): To here.
702 (start_address): Delete variable.
704 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
706 * configure: Regenerated to track ../common/aclocal.m4 changes.
709 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
711 * interp.c (sim_open): Add ABFD argument.
713 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
715 * interp.c (sim_open): Add callback argument.
716 (sim_set_callbacks): Remove SIM_DESC argument.
718 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
720 * configure: Regenerated to track ../common/aclocal.m4 changes.
722 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
724 * interp.c (sim_open): Undo patch to add -E support.
726 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
728 * interp.c (sim_stop): New function.
730 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
732 * Makefile.in (SIM_OBJS): Add sim-load.o.
733 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
734 * interp.c: #include bfd.h.
735 (myname, sim_kind, start_address): New static locals.
736 (prog_bfd_was_opened_p, prog_bfd): New static locals.
737 (decode_pc): Update to use prog_bfd.
738 (sim_open): Set sim_kind, myname. Ignore -E arg.
739 (sim_close): Close prog_bfd if simulator opened it.
740 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
741 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
742 Call sim_load_file to load file into simulator.
743 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
745 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
747 * simops.c (OP_5F00): Only provide system calls SYS_execv,
748 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
750 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
752 * configure: Regenerated to track ../common/aclocal.m4 changes.
755 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
757 * interp.c (sim_open): New arg `kind'.
759 * configure: Regenerated to track ../common/aclocal.m4 changes.
761 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
763 * configure: Regenerated to track ../common/aclocal.m4 changes.
765 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
767 * configure: Re-generate.
769 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
771 * configure: Regenerate to track ../common/aclocal.m4 changes.
773 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
774 as trap 0, which will be deprecated. Only set errno, if an error
775 in fact was returned.
777 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
779 * interp.c: Delete redundant prototypes of sim_foo fns.
780 (sim_open): New SIM_DESC result. Argument is now in argv form.
781 (other sim_*): New SIM_DESC argument.
783 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
785 * simops.c (trace_{input,output}_func): Call flush_stdout from the
788 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
789 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
790 setting the carry bit after an add or a subtract.
792 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
794 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
795 40 bits of accumulators. Sign/zero extend as appropriate.
797 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
799 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
800 COMMON_{PRE,POST}_CONFIG_FRAG instead.
801 * configure.in: sinclude ../common/aclocal.m4.
802 * configure: Regenerated.
804 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
806 * configure configure.in Makefile.in: Update to new configure
807 scheme which is more compatible with WinGDB builds.
808 * configure.in: Improve comment on how to run autoconf.
809 * configure: Re-run autoconf to get new ../common/aclocal.m4.
810 * Makefile.in: Use autoconf substitution to install common
813 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
815 * gencode.c: patch to not #include "d10v_sim.h" which
816 unecessarily includes bfd.h and causes wingdb configure
819 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
821 * interp.c (xfer_mem): Change unified memory to 0x0.
823 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
825 * simops.c (OP_3E01): Fix tracing information.
826 (OP_300{0,1}): Do not propigate sign.
828 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
830 * config.in (WORDS_BIGENDIAN): Add.
831 * configure: Regenerated.
832 * d10v_sim.h: #include "config.h"
834 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
836 * gencode.c (write_opcodes): Eliminate warnings when generated
839 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
841 * interp.c (sim_open): Cast result of calloc, and make sure NULL
843 (dmem_addr): If address is illegal or in I/O space, signal a bus
845 (pc_addr): Signal bus error, not illegal instruction for bogus
848 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
850 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
851 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
852 * configure.in: Simplify using macros in ../common/aclocal.m4.
853 Call AC_CHECK_HEADERS(unistd.h).
854 * configure: Regenerated.
855 * config.in: New file.
856 * interp.c: #include "callback.h".
857 * simops.c: #include "config.h". #include <unistd.h> if present.
859 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
861 * d10v-sim.h (simops): Add flag is_long.
862 (State): Add pc_changed. Instructions which update the PC should
863 use the JMP macro which sets this.
864 (JMP): New macro. Sets the PC and the pc_changed flag.
866 * gencode.c (write_opcodes): Add is_long field.
868 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
869 to a long opcode we could get a false match. Check the opcode size.
870 (hash): Add a size field to the hash table.
871 (sim_open): Initialize size field in hash table.
872 (sim_resume): Change to logic for setting the PC. Used to increment the
873 PC if it had not been changed. This didn't allow single-instruction loops.
874 Now checks the flag State.pc_changed. Also now stops when ^C is received.
875 (dmem_addr): Fix translation of data segments to unified memory.
876 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
878 * simops.c: Changed all branch and jump instructions to use new JMP macro.
879 (OP_20000000): Corrected trace information to show this is a ldi.l, not
882 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
884 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
885 updating the accumulators was overwriting other parts of the global
888 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
890 * interp.c (bfd.h) Don't include it here any more.
891 (text{,_start,_end}): Move here from simops.c and make extern.
892 (decode_pc): New function to return the PC as an address that the
894 (dmem_addr): Print decoded PC in error message.
897 * simops.c (bfd.h) Don't include it here any more.
898 (text{,_start,_end}): Move to simops.c.
899 (trace_input_func): Move decoding of PC, and looking up .text
902 * d10v_sim.h (bfd.h): Include it here.
903 (text{,_start,_end}): Add external declarations.
907 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
909 * interp.c (sim_size): Now allocates unified memory for imap segments
910 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
911 (sim_write): Just call xfer_mem().
912 (sim_read): Just call xfer_mem().
913 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
914 (dmem_addr): New function. Reads dmap register and translates data
915 addresses to local addresses.
916 (pc_addr): New function. Reads imap register and computes local address
917 corresponding to contents of the PC.
918 (sim_resume): Change to use pc_addr().
919 (sim_create_inferior): Change reinitialization code. Also reinitializes
921 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
922 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
924 * simops.c (MEMPTR): Redefine to use dmem_addr().
925 (OP_5F00): Replace references to STate.imem with dmem_addr().
927 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
928 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
929 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
931 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
933 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
934 better statistics, like not counting NOPS as parallel
935 instructions, and printing total cycles.
936 (ins_type_counters): Make unsigned long.
937 (left_nops,right_nops): Fold into ins_type_counters.
939 * simops.c (trace_input_func): Print new instruction types.
940 Handle OP_R2R3 as input types.
941 (OP_{38000000,7000}): Correctly sign extend bytes.
942 (OP_5E00): Don't count NOPs as parallel instructions.
943 (OP_460B): Remove unused variable.
946 * interp.c (ins_type_counters): Make unsigned long.
947 (left_nops,right_nops): Delete.
948 (most functions): Add prototypes.
949 (INLINE): If GCC and optimize define as __inline__.
950 ({,lookup_}hash,get_operands): Declare as INLINE.
951 (do_parallel): Count conditional operations.
952 (add_commas): New function, to add commas every 3 digits.
953 (sim_size): Call add_commas to print numbers.
954 (sim_{open,resume}): Delete unused variables.
955 (sim_info): Provide better statistics.
956 (sim_read): Add int return type.
958 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
960 * interp.c (sim_resume): Change the way single-stepping and exceptions
961 are handled so single-stepping works again.
963 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
965 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
968 * configure.in (--enable-sim-bswap): New switch to enable using
969 the BSWAP instruction on x86's.
970 * configure: Regenerate.
972 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
975 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
977 * endian.c: New file. Move endian functions here from interp.c.
978 Optimize code, and make it work as either inline functions or as a
981 * interp.c: Move endian functions from here to endian.c.
983 * Makefile.in (INCLUDE): Add endian.c.
984 (run,libsim.a): Add dependency on endian.o.
985 (endian.o): Add dependency.
987 * d10v_sim.h (read/write support): Always go through the machine
988 independent endian functions. If compiling with GCC and
989 optimizing, include endian.c so the endian functions are inlined.
991 * simops.c (OP_5F00): Correct tracing of accumulators.
993 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
995 * simops.c (OP_5F00): Add support for getpid, kill system calls.
997 * interp.c (do_{2_short,parallel}): If an exception is raised,
998 don't execute the second instruction.
1000 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1002 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1003 temporary in case the register is overriden when loading.
1004 (OP_6200): Output type is OP_DREG for tracing.
1006 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1008 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1010 * interp.c (sim_size): Initialize mem_{min,max} fields.
1011 (sim_write): Update mem_{min,max} fields.
1012 (sim_resume): If PC is not in the minimum/maximum memory range,
1014 (sim_create_inferior): Preserve mem_{min,max} fields.
1016 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1018 * simops.c (OP_5F00): Add support for time() system call.
1020 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1022 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1024 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1027 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1029 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1030 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1031 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1032 to call/subroutine returns to trace the first two arguments and
1033 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1035 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1037 * interp.c (sim_create_inferior): Reinitialize State every time
1038 sim_create_inferior() is called.
1040 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1042 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1044 (OP_401): Fix tracing information.
1046 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1048 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1049 (trace_input_func): Use them.
1050 (trace_input_func): Make sure there is a trailing space after the
1052 (OP_6200): Fix tracing info.
1054 * Makefile.in (run): Add dependencies on libbfd.a and
1057 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1059 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1060 numbers and function names in debug trace.
1061 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1063 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1064 and exit system call trap being executed.
1066 * interp.c (sim_stop_reason): Set exit code correctly for stop
1067 instruction and exit system call trap.
1069 * configure.in (--enable-sim-cflags): Remove trace case.
1070 (--enable-sim-debug): New switch to set the debug values.
1071 * configure: Regenerate.
1073 * simops.c (trace_{input,output}_func): Rename from
1074 trace_{input,output}.
1075 (trace_{input,output}): Call trace_{input,output}_func if
1076 d10v_debug is non-zero.
1077 (SIZE_INSTRUCTION): Cut down to 8.
1078 (SIZE_OPERANDS): Cut down to 18.
1079 (SIZE_LOCATION): New value for size of line number, function name
1081 (init_text_p,text{,_start,_end}): New static variables for
1082 printing line number and function name.
1083 (exec_bfd): New external that run.c sets.
1084 (trace_input_func): Print line number and function name if
1085 available and if desired.
1086 (OP_4E09): Don't print out DBT message.
1087 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1088 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1090 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1092 * interp.c (do_2_short): If the instruction encodes jump->ins,
1093 don't do the second instruction if the jump succeeds.
1095 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1097 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1098 accumulators, PC, and F0/F1/C flags.
1100 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1102 * simops.c (OP_5F00): Fix problems with system calls.
1104 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1106 * simops.c (OP_5F00): Correct tracing information for trap.
1108 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1110 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1112 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1114 * simops.c (trace_output): Properly align accumulator output.
1115 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1116 if shift count is too high.
1117 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1118 (OP_4E09): Make cpfg properly trace the input flags.
1119 (op_types): Add OP_FLAG_OUTPUT.
1120 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1121 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1122 an 8-bit memory reference instruction for tracing purposes.
1123 (OP_201): Addi needs to set the carry.
1125 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1127 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1128 to use signed register values.
1130 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1132 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1134 (_ins_type): New enumeration to specify which container an
1135 instruction is in, and whether it is part of a parallel operation.
1136 (_state): Add ins_type field.
1137 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1138 (ins_type_counters): Counters for the various instruction types.
1139 ({left,right}_nops): Counters for the number of nops in each
1141 (d10v_debug): New variable to indicate whether debugging is turned
1144 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1145 the input and output values can be traced, along with the
1146 instruction type. Make the -t option enable tracing.
1147 (all functions): Change printf calls to use the printf_filtered
1148 function in the callback table.
1150 * interp.c (_leftright): New enumeration to say whether 2 short
1151 instructions are done left first or right first.
1152 (do_{long,2_short,parallel}): Indicate in the machine state which
1153 type of instruction this is. Count each of the types of
1154 instructions executed.
1155 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1157 (sim_resume): Pass left/right indication to do_2_short.
1158 (all functions): Change printf calls to use the printf_filtered
1159 function in the callback table.
1160 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1162 (sim_info): Print out statistics on instructions.
1163 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1165 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1166 Only initialize the hash table the first time sim_open is called.
1168 * Makefile.in: Make objects depend on d10v_sim.h.
1169 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1170 CFLAGS does not override host/target defines or SIM_CFLAGS.
1171 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1172 (run): By default, the math library is not needed to be linked
1174 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1176 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1178 ({run,callback}.o): Provide explicit paths to their appropriate
1180 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1181 and linking. Instead of linking in libopcodes.a, just compile
1182 d10v-opc.o directly to handle canadian cross.
1183 (CSEARCH): Add opcodes directory.
1185 * configure.in (--enable-sim-cflags): New switch to allow user to
1187 (CC_FOR_BUILD): Deal with canadian crosses.
1188 * configure: Regenerate.
1190 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1192 * simops.c: Include correct syscall.h for d10v, not host's.
1193 Fix #ifdef SYS_stat.
1195 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1197 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1198 Add trap 2 to be printf and trap 3 to be putchar.
1200 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1202 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1203 for low-level system calls.
1205 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1207 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1209 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1211 * d10v_sim.h (SEXT32): Added.
1212 * interp.c: Commented out printfs.
1213 * simops.c: Fixed error in sb and st2w.
1215 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1217 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1218 DSP instructions. Added modulo addressing.
1220 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1222 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1224 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1226 * d10v_sim.h, simops.c: Snapshot.
1228 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1230 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1231 gencode.c, interp.c, simops.c: Created.