1 1999-05-08 Felix Lee <flee@cygnus.com>
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
5 1999-04-02 Keith Seitz <keiths@cygnus.com>
7 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
9 (sim_resume): If the counter has expired, call the ui_loop_hook,
11 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
13 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
15 Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
17 * simops.c: If load instruction with auto increment/decrement
18 addressing is used when the destination register is the same as
19 the address register, then ignore the auto increment/decrement.
21 Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
23 * simops.c (OP_5F00): Ifdef SYS_stat case because
24 not all systems have it defined.
26 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
28 * simops.c (OP_5607): Correct saturation comparison/assignment.
29 (OP_1201, OP_1203, OP_17001200, OP_17001202,
30 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
31 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
33 1999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
35 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
41 1999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
43 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
46 Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
48 * simops.c (sys/syscall.h): Include targ-vals.h instead.
49 (SYS_*): Replace with TARGET_SYS_*.
51 * Makefile.in: Add dependency on targ-vals.h.
52 (NL_TARGET): Define as NL_TARGET_d10v.
54 Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
56 * interp.c (xfer_mem): Missing break, instruction memory case
57 flowed into unified memory case.
59 Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
61 * simops.c: If load instruction with auto increment/decrement
62 addressing is used when the destination register is the same as
63 the address register, then ignore the auto increment/decrement.
65 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
67 * configure: Regenerated to track ../common/aclocal.m4 changes.
69 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
71 * configure: Regenerated to track ../common/aclocal.m4 changes.
74 Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
76 * acconfig.h: New file.
77 * configure.in: Reverted change of Apr 24; use sinclude again.
79 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
81 * configure: Regenerated to track ../common/aclocal.m4 changes.
84 Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
86 * configure.in: Don't call sinclude.
88 Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
90 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
92 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
94 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
96 * configure: Regenerated to track ../common/aclocal.m4 changes.
98 Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
100 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
102 (OP_OP_1000000, add3): Trace inputs before performing add.
103 (OP_5F00, <*>): Trace input registers before making system call.
104 (OP_5F00, <kill>): Trace R0, R1 not REGn.
105 (OP_5F00, <getpid>): Always return 47.
107 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
108 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
110 (struct _state): Add struct slot slot to global state variable.
111 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
112 F0, F1, C from global State variable.
113 (struct _state): Add struct trace to global State variable.
114 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
115 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
116 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
117 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
118 (JMP): Re-implement. Use SET_* to update registers.
120 * interp.c: Use new SET_* et.al. macros to fetch / store
122 (get_operands): Squirrel away trace values at start of each
124 (do_2_short): Flush pending writes before issuing second
126 (sim_resume): Flush pending writes at end of instruction cycle.
127 (sim_fetch_register, sim_store_register, sim_create_inferior):
128 After scheduling updates to registers using SET_*, flush updates.
129 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
130 that each sets pc using SET_* and last SET_* eventually winds out.
132 * simops.c: Use new SET_* et.al. macros to fetch / store
134 (move_to_cr): Add MASK argument for selective update of CREG bits.
135 Re-implement using new SET_* macros.
136 (trace_output_func, trace_output): Delete. Replace with.
137 (do_trace_output_flush, trace_output_finish, trace_output_40,
138 trace_output_32, trace_output_16, trace_output_void,
139 trace_output_flag): New functions. Handle specific trace cases.
140 (OP_*): Re-write tracing to use new trace_output_* functions.
141 (OP_*): Re-write to use new SET_* et.al. macros.
142 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
143 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
145 Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
147 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
148 configure: Re-generate.
150 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
152 * configure: Regenerated to track ../common/aclocal.m4 changes.
154 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
156 * configure: Regenerated to track ../common/aclocal.m4 changes.
158 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
160 * configure: Regenerated to track ../common/aclocal.m4 changes.
162 Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
164 * interp.c (sim_store_register, sim_fetch_register): Pass in
165 length parameter. Return -1.
167 Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
169 * (dmem_addr): If address is illegal or in I/O space, signal a bus
170 error. Allocate unified memory on demand. Fix DMEM address
173 Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
175 * simops.c (OP_5F20): Implement "dbt".
176 (OP_5F60): Implement "rtd".
178 * d10v_sim.h (DPC_CR): Define enum.
179 (DBT_VECTOR_START): Define
182 Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
184 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
187 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
190 Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
192 * simops.c (OP_5F00): Call error instead of abort for unknown
195 * d10v_sim.h (enum): Define DPSW_CR.
197 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
199 Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
201 * interp.c (sim_write_phys): Delete.
202 (sim_load): Call sim_load_file with sim_write and LMA.
204 Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
206 * interp.c: Rewrite xfer_mem so that it translates addresses as -
207 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
208 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
211 (imem_addr): New function - translate IMEM address.
212 (sim_resume): Use imem_addr to translate insn address, abort if
214 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
215 argc/argv using r0/r1 not r2/r3.
216 (sim_size): Do not initialize IMAP/DMAP here.
217 (sim_open): Call sim_create_inferior and sim_size to initialize
219 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
221 (init_system): Delete.
222 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
224 (decode_pc): Check prog_bfd is defined before looking up .text
227 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
229 * configure: Regenerated to track ../common/aclocal.m4 changes.
231 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
233 * configure: Regenerated to track ../common/aclocal.m4 changes.
235 Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
237 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
239 Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
241 * d10v_sim.h (DEBUG_TRAP): New debug flag.
243 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
244 printing the registers.
246 Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
248 * simops.c (op_types): New ABI, args are r0..r3, system call # is
250 (trace_{in,out}put_func): Ditto.
252 (OP_24800000): Ditto.
256 Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
258 * interp.c (UMEM_SEGMENTS): New define, set to 128.
259 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
260 (sim_close): Reset prog_bfd to NULL after closing it. Also
261 reset prog_bfd_was_opened_p after closing prog_bfd.
262 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
263 (sim_create_inferior): Get start address from abfd not prog_bfd.
264 (xfer_mem): Do bounds checking on addresses and return zero length
265 read/write on bad addresses, rather than aborting. Prepare to
266 be able to handle xfers that cross segment boundaries, but not
267 yet implemented. Only emit debug message when d10v_debug is
268 set as well as DEBUG being defined.
270 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
272 * configure: Regenerated to track ../common/aclocal.m4 changes.
274 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
276 * configure: Regenerated to track ../common/aclocal.m4 changes.
279 Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
281 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
282 (BPSW): Ditto for BPSW_CR and not PSW_CR.
284 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
286 Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
288 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
289 reserved trap from 0 to 15. Add trap emulation code for 0-14.
291 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
294 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
295 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
297 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
299 (OP_5F00): For "trap", update BPSW with move_to_cr.
301 Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
303 * d10v_sim.h (enum): Enumerate CR register names.
304 (enum): Enumerate PSW bit values.
305 (PSW): Obtain value uing move_from_cr.
306 (MOD_S, MOD_E, BPSW): Make r-values.
307 (move_from_cr, move_to_cr): Declare functions.
309 * interp.c (sim_fetch_register, sim_store_register): Use
310 move_from_cr and move_to_cr for CR register transfers.
312 * simops.c (move_from_cr, move_to_cr): New functions.
313 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
314 (OP_5600): For "mvtc", use function move_to_cr.
315 (OP_5200): For "mvfc", use function move_from_cr.
317 Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
319 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
322 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
324 * configure: Regenerated to track ../common/aclocal.m4 changes.
326 Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
328 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
330 * simops.c (OP_5600): For "mvtc", save PSW.DM.
331 (OP_5200): Ditto for "mvfc".
333 Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
335 * d10v_sim.h (SEXT56): Define.
337 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
340 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
343 Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
345 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
346 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
347 don't match enum values.
349 Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
351 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
352 bit rather than 16 bit precision.
353 (OP_3C00): For "mulxu", store unsigned product in ACC.
354 (OP_3800): For "msbu", subtract unsigned product from ACC,
355 (OP_0): For "sub", compute carry by comparing inputs.
357 Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
359 * simops.c (OP_1000): For "sub2w", compute carry by comparing
362 Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
364 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
365 carry indicated by value > 0xffff.
367 Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
369 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
371 (sim_resume): Fix race condition of a direct assignment to
372 stop_simulator, conditionally call sim_stop.
373 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
374 stop_simulator ready for next sim_resume call.
375 (sim_ctrl_c): Delete function.
377 Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
379 * interp.c (sim_resume): For "REP", only check/update the PC when
380 a branch instruction has not been executed.
382 Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
384 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
385 extend bit 44 all constants.
386 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
388 Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
390 * d10v_sim.h: Include sim-types.h.
391 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
392 using unsigned8 et.al. from sim-types.h.
393 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
396 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
398 * interp.c (sim_write_phys): New function, write to physical
399 instead of virtual memory.
401 * interp.c (sim_load): Pass lma_p and sim_write_phys to
404 Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
406 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
407 exception generation code to OP_6E01.
408 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
411 Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
413 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
416 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
418 * configure: Regenerated to track ../common/aclocal.m4 changes.
420 Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
422 * interp.c (pc_addr): Discard upper bit(s) of PC in case
423 IMAP1 selects unified memory.
424 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
427 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
429 * configure: Regenerated to track ../common/aclocal.m4 changes.
431 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
433 * configure: Regenerated to track ../common/aclocal.m4 changes.
435 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
437 * configure: Regenerated to track ../common/aclocal.m4 changes.
439 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
441 * configure: Regenerated to track ../common/aclocal.m4 changes.
443 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
445 * configure: Regenerated to track ../common/aclocal.m4 changes.
447 Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
449 * interp.c (sim_resume): Increment PC at end of rep
452 * simops.c (OP_4201): Fix rachi instruction.
454 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
456 * configure: Regenerated to track ../common/aclocal.m4 changes.
458 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
460 * configure: Regenerated to track ../common/aclocal.m4 changes.
463 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
465 * interp.c (sim_kill): Delete.
466 (sim_create_inferior): Add ABFD argument.
467 (sim_load): Move setting of PC from here.
468 (sim_create_inferior): To here.
469 (start_address): Delete variable.
471 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
473 * configure: Regenerated to track ../common/aclocal.m4 changes.
476 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
478 * interp.c (sim_open): Add ABFD argument.
480 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
482 * interp.c (sim_open): Add callback argument.
483 (sim_set_callbacks): Remove SIM_DESC argument.
485 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
487 * configure: Regenerated to track ../common/aclocal.m4 changes.
489 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
491 * interp.c (sim_open): Undo patch to add -E support.
493 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
495 * interp.c (sim_stop): New function.
497 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
499 * Makefile.in (SIM_OBJS): Add sim-load.o.
500 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
501 * interp.c: #include bfd.h.
502 (myname, sim_kind, start_address): New static locals.
503 (prog_bfd_was_opened_p, prog_bfd): New static locals.
504 (decode_pc): Update to use prog_bfd.
505 (sim_open): Set sim_kind, myname. Ignore -E arg.
506 (sim_close): Close prog_bfd if simulator opened it.
507 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
508 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
509 Call sim_load_file to load file into simulator.
510 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
512 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
514 * simops.c (OP_5F00): Only provide system calls SYS_execv,
515 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
517 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
519 * configure: Regenerated to track ../common/aclocal.m4 changes.
522 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
524 * interp.c (sim_open): New arg `kind'.
526 * configure: Regenerated to track ../common/aclocal.m4 changes.
528 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
530 * configure: Regenerated to track ../common/aclocal.m4 changes.
532 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
534 * configure: Re-generate.
536 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
538 * configure: Regenerate to track ../common/aclocal.m4 changes.
540 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
541 as trap 0, which will be deprecated. Only set errno, if an error
542 in fact was returned.
544 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
546 * interp.c: Delete redundant prototypes of sim_foo fns.
547 (sim_open): New SIM_DESC result. Argument is now in argv form.
548 (other sim_*): New SIM_DESC argument.
550 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
552 * simops.c (trace_{input,output}_func): Call flush_stdout from the
555 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
556 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
557 setting the carry bit after an add or a subtract.
559 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
561 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
562 40 bits of accumulators. Sign/zero extend as appropriate.
564 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
566 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
567 COMMON_{PRE,POST}_CONFIG_FRAG instead.
568 * configure.in: sinclude ../common/aclocal.m4.
569 * configure: Regenerated.
571 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
573 * configure configure.in Makefile.in: Update to new configure
574 scheme which is more compatible with WinGDB builds.
575 * configure.in: Improve comment on how to run autoconf.
576 * configure: Re-run autoconf to get new ../common/aclocal.m4.
577 * Makefile.in: Use autoconf substitution to install common
580 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
582 * gencode.c: patch to not #include "d10v_sim.h" which
583 unecessarily includes bfd.h and causes wingdb configure
586 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
588 * interp.c (xfer_mem): Change unified memory to 0x0.
590 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
592 * simops.c (OP_3E01): Fix tracing information.
593 (OP_300{0,1}): Do not propigate sign.
595 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
597 * config.in (WORDS_BIGENDIAN): Add.
598 * configure: Regenerated.
599 * d10v_sim.h: #include "config.h"
601 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
603 * gencode.c (write_opcodes): Eliminate warnings when generated
606 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
608 * interp.c (sim_open): Cast result of calloc, and make sure NULL
610 (dmem_addr): If address is illegal or in I/O space, signal a bus
612 (pc_addr): Signal bus error, not illegal instruction for bogus
615 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
617 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
618 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
619 * configure.in: Simplify using macros in ../common/aclocal.m4.
620 Call AC_CHECK_HEADERS(unistd.h).
621 * configure: Regenerated.
622 * config.in: New file.
623 * interp.c: #include "callback.h".
624 * simops.c: #include "config.h". #include <unistd.h> if present.
626 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
628 * d10v-sim.h (simops): Add flag is_long.
629 (State): Add pc_changed. Instructions which update the PC should
630 use the JMP macro which sets this.
631 (JMP): New macro. Sets the PC and the pc_changed flag.
633 * gencode.c (write_opcodes): Add is_long field.
635 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
636 to a long opcode we could get a false match. Check the opcode size.
637 (hash): Add a size field to the hash table.
638 (sim_open): Initialize size field in hash table.
639 (sim_resume): Change to logic for setting the PC. Used to increment the
640 PC if it had not been changed. This didn't allow single-instruction loops.
641 Now checks the flag State.pc_changed. Also now stops when ^C is received.
642 (dmem_addr): Fix translation of data segments to unified memory.
643 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
645 * simops.c: Changed all branch and jump instructions to use new JMP macro.
646 (OP_20000000): Corrected trace information to show this is a ldi.l, not
649 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
651 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
652 updating the accumulators was overwriting other parts of the global
655 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
657 * interp.c (bfd.h) Don't include it here any more.
658 (text{,_start,_end}): Move here from simops.c and make extern.
659 (decode_pc): New function to return the PC as an address that the
661 (dmem_addr): Print decoded PC in error message.
664 * simops.c (bfd.h) Don't include it here any more.
665 (text{,_start,_end}): Move to simops.c.
666 (trace_input_func): Move decoding of PC, and looking up .text
669 * d10v_sim.h (bfd.h): Include it here.
670 (text{,_start,_end}): Add external declarations.
674 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
676 * interp.c (sim_size): Now allocates unified memory for imap segments
677 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
678 (sim_write): Just call xfer_mem().
679 (sim_read): Just call xfer_mem().
680 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
681 (dmem_addr): New function. Reads dmap register and translates data
682 addresses to local addresses.
683 (pc_addr): New function. Reads imap register and computes local address
684 corresponding to contents of the PC.
685 (sim_resume): Change to use pc_addr().
686 (sim_create_inferior): Change reinitialization code. Also reinitializes
688 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
689 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
691 * simops.c (MEMPTR): Redefine to use dmem_addr().
692 (OP_5F00): Replace references to STate.imem with dmem_addr().
694 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
695 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
696 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
698 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
700 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
701 better statistics, like not counting NOPS as parallel
702 instructions, and printing total cycles.
703 (ins_type_counters): Make unsigned long.
704 (left_nops,right_nops): Fold into ins_type_counters.
706 * simops.c (trace_input_func): Print new instruction types.
707 Handle OP_R2R3 as input types.
708 (OP_{38000000,7000}): Correctly sign extend bytes.
709 (OP_5E00): Don't count NOPs as parallel instructions.
710 (OP_460B): Remove unused variable.
713 * interp.c (ins_type_counters): Make unsigned long.
714 (left_nops,right_nops): Delete.
715 (most functions): Add prototypes.
716 (INLINE): If GCC and optimize define as __inline__.
717 ({,lookup_}hash,get_operands): Declare as INLINE.
718 (do_parallel): Count conditional operations.
719 (add_commas): New function, to add commas every 3 digits.
720 (sim_size): Call add_commas to print numbers.
721 (sim_{open,resume}): Delete unused variables.
722 (sim_info): Provide better statistics.
723 (sim_read): Add int return type.
725 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
727 * interp.c (sim_resume): Change the way single-stepping and exceptions
728 are handled so single-stepping works again.
730 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
732 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
735 * configure.in (--enable-sim-bswap): New switch to enable using
736 the BSWAP instruction on x86's.
737 * configure: Regenerate.
739 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
742 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
744 * endian.c: New file. Move endian functions here from interp.c.
745 Optimize code, and make it work as either inline functions or as a
748 * interp.c: Move endian functions from here to endian.c.
750 * Makefile.in (INCLUDE): Add endian.c.
751 (run,libsim.a): Add dependency on endian.o.
752 (endian.o): Add dependency.
754 * d10v_sim.h (read/write support): Always go through the machine
755 independent endian functions. If compiling with GCC and
756 optimizing, include endian.c so the endian functions are inlined.
758 * simops.c (OP_5F00): Correct tracing of accumulators.
760 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
762 * simops.c (OP_5F00): Add support for getpid, kill system calls.
764 * interp.c (do_{2_short,parallel}): If an exception is raised,
765 don't execute the second instruction.
767 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
769 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
770 temporary in case the register is overriden when loading.
771 (OP_6200): Output type is OP_DREG for tracing.
773 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
775 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
777 * interp.c (sim_size): Initialize mem_{min,max} fields.
778 (sim_write): Update mem_{min,max} fields.
779 (sim_resume): If PC is not in the minimum/maximum memory range,
781 (sim_create_inferior): Preserve mem_{min,max} fields.
783 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
785 * simops.c (OP_5F00): Add support for time() system call.
787 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
789 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
791 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
794 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
796 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
797 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
798 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
799 to call/subroutine returns to trace the first two arguments and
800 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
802 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
804 * interp.c (sim_create_inferior): Reinitialize State every time
805 sim_create_inferior() is called.
807 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
809 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
811 (OP_401): Fix tracing information.
813 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
815 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
816 (trace_input_func): Use them.
817 (trace_input_func): Make sure there is a trailing space after the
819 (OP_6200): Fix tracing info.
821 * Makefile.in (run): Add dependencies on libbfd.a and
824 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
826 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
827 numbers and function names in debug trace.
828 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
830 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
831 and exit system call trap being executed.
833 * interp.c (sim_stop_reason): Set exit code correctly for stop
834 instruction and exit system call trap.
836 * configure.in (--enable-sim-cflags): Remove trace case.
837 (--enable-sim-debug): New switch to set the debug values.
838 * configure: Regenerate.
840 * simops.c (trace_{input,output}_func): Rename from
841 trace_{input,output}.
842 (trace_{input,output}): Call trace_{input,output}_func if
843 d10v_debug is non-zero.
844 (SIZE_INSTRUCTION): Cut down to 8.
845 (SIZE_OPERANDS): Cut down to 18.
846 (SIZE_LOCATION): New value for size of line number, function name
848 (init_text_p,text{,_start,_end}): New static variables for
849 printing line number and function name.
850 (exec_bfd): New external that run.c sets.
851 (trace_input_func): Print line number and function name if
852 available and if desired.
853 (OP_4E09): Don't print out DBT message.
854 (OP_5FE0): Set exception field to SIG_D10V_STOP.
855 (OP_5F00): Set exception field to SIG_D10V_EXIT.
857 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
859 * interp.c (do_2_short): If the instruction encodes jump->ins,
860 don't do the second instruction if the jump succeeds.
862 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
864 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
865 accumulators, PC, and F0/F1/C flags.
867 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
869 * simops.c (OP_5F00): Fix problems with system calls.
871 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
873 * simops.c (OP_5F00): Correct tracing information for trap.
875 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
877 * Makefile.in (CSEARCH): Correctly find opcodes directory.
879 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
881 * simops.c (trace_output): Properly align accumulator output.
882 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
883 if shift count is too high.
884 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
885 (OP_4E09): Make cpfg properly trace the input flags.
886 (op_types): Add OP_FLAG_OUTPUT.
887 (trace_{input,output}): Support OP_FLAG_OUTPUT.
888 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
889 an 8-bit memory reference instruction for tracing purposes.
890 (OP_201): Addi needs to set the carry.
892 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
894 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
895 to use signed register values.
897 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
899 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
901 (_ins_type): New enumeration to specify which container an
902 instruction is in, and whether it is part of a parallel operation.
903 (_state): Add ins_type field.
904 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
905 (ins_type_counters): Counters for the various instruction types.
906 ({left,right}_nops): Counters for the number of nops in each
908 (d10v_debug): New variable to indicate whether debugging is turned
911 * simops.c: (all functions): Change all #ifdef DEBUG code so that
912 the input and output values can be traced, along with the
913 instruction type. Make the -t option enable tracing.
914 (all functions): Change printf calls to use the printf_filtered
915 function in the callback table.
917 * interp.c (_leftright): New enumeration to say whether 2 short
918 instructions are done left first or right first.
919 (do_{long,2_short,parallel}): Indicate in the machine state which
920 type of instruction this is. Count each of the types of
921 instructions executed.
922 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
924 (sim_resume): Pass left/right indication to do_2_short.
925 (all functions): Change printf calls to use the printf_filtered
926 function in the callback table.
927 (sim_trace): Turn on debug flag if DEBUG was defined, and call
929 (sim_info): Print out statistics on instructions.
930 (sim_{trace,create_inferior}): Eliminate extraneous output unless
932 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
933 Only initialize the hash table the first time sim_open is called.
935 * Makefile.in: Make objects depend on d10v_sim.h.
936 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
937 CFLAGS does not override host/target defines or SIM_CFLAGS.
938 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
939 (run): By default, the math library is not needed to be linked
941 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
943 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
945 ({run,callback}.o): Provide explicit paths to their appropriate
947 (gencode{,.o},d10v-opc.o): Split compilation into creating object
948 and linking. Instead of linking in libopcodes.a, just compile
949 d10v-opc.o directly to handle canadian cross.
950 (CSEARCH): Add opcodes directory.
952 * configure.in (--enable-sim-cflags): New switch to allow user to
954 (CC_FOR_BUILD): Deal with canadian crosses.
955 * configure: Regenerate.
957 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
959 * simops.c: Include correct syscall.h for d10v, not host's.
962 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
964 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
965 Add trap 2 to be printf and trap 3 to be putchar.
967 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
969 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
970 for low-level system calls.
972 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
974 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
976 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
978 * d10v_sim.h (SEXT32): Added.
979 * interp.c: Commented out printfs.
980 * simops.c: Fixed error in sb and st2w.
982 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
984 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
985 DSP instructions. Added modulo addressing.
987 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
989 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
991 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
993 * d10v_sim.h, simops.c: Snapshot.
995 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
997 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
998 gencode.c, interp.c, simops.c: Created.