1 Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
3 * (dmem_addr): If address is illegal or in I/O space, signal a bus
4 error. Allocate unified memory on demand. Fix DMEM address
7 Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
9 * simops.c (OP_5F20): Implement "dbt".
10 (OP_5F60): Implement "rtd".
12 * d10v_sim.h (DPC_CR): Define enum.
13 (DBT_VECTOR_START): Define
16 Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
18 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
21 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
24 Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
26 * simops.c (OP_5F00): Call error instead of abort for unknown
29 * d10v_sim.h (enum): Define DPSW_CR.
31 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
33 Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
35 * interp.c (sim_write_phys): Delete.
36 (sim_load): Call sim_load_file with sim_write and LMA.
38 Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
40 * interp.c: Rewrite xfer_mem so that it translates addresses as -
41 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
42 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
45 (imem_addr): New function - translate IMEM address.
46 (sim_resume): Use imem_addr to translate insn address, abort if
48 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
49 argc/argv using r0/r1 not r2/r3.
50 (sim_size): Do not initialize IMAP/DMAP here.
51 (sim_open): Call sim_create_inferior and sim_size to initialize
53 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
55 (init_system): Delete.
56 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
58 (decode_pc): Check prog_bfd is defined before looking up .text
61 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
63 * configure: Regenerated to track ../common/aclocal.m4 changes.
65 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
67 * configure: Regenerated to track ../common/aclocal.m4 changes.
69 Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
71 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
73 Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
75 * d10v_sim.h (DEBUG_TRAP): New debug flag.
77 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
78 printing the registers.
80 Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
82 * simops.c (op_types): New ABI, args are r0..r3, system call # is
84 (trace_{in,out}put_func): Ditto.
90 Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
92 * interp.c (UMEM_SEGMENTS): New define, set to 128.
93 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
94 (sim_close): Reset prog_bfd to NULL after closing it. Also
95 reset prog_bfd_was_opened_p after closing prog_bfd.
96 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
97 (sim_create_inferior): Get start address from abfd not prog_bfd.
98 (xfer_mem): Do bounds checking on addresses and return zero length
99 read/write on bad addresses, rather than aborting. Prepare to
100 be able to handle xfers that cross segment boundaries, but not
101 yet implemented. Only emit debug message when d10v_debug is
102 set as well as DEBUG being defined.
104 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
106 * configure: Regenerated to track ../common/aclocal.m4 changes.
108 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
110 * configure: Regenerated to track ../common/aclocal.m4 changes.
113 Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
115 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
116 (BPSW): Ditto for BPSW_CR and not PSW_CR.
118 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
120 Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
122 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
123 reserved trap from 0 to 15. Add trap emulation code for 0-14.
125 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
128 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
129 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
131 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
133 (OP_5F00): For "trap", update BPSW with move_to_cr.
135 Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
137 * d10v_sim.h (enum): Enumerate CR register names.
138 (enum): Enumerate PSW bit values.
139 (PSW): Obtain value uing move_from_cr.
140 (MOD_S, MOD_E, BPSW): Make r-values.
141 (move_from_cr, move_to_cr): Declare functions.
143 * interp.c (sim_fetch_register, sim_store_register): Use
144 move_from_cr and move_to_cr for CR register transfers.
146 * simops.c (move_from_cr, move_to_cr): New functions.
147 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
148 (OP_5600): For "mvtc", use function move_to_cr.
149 (OP_5200): For "mvfc", use function move_from_cr.
151 Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
153 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
156 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
158 * configure: Regenerated to track ../common/aclocal.m4 changes.
160 Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
162 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
164 * simops.c (OP_5600): For "mvtc", save PSW.DM.
165 (OP_5200): Ditto for "mvfc".
167 Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
169 * d10v_sim.h (SEXT56): Define.
171 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
174 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
177 Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
179 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
180 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
181 don't match enum values.
183 Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
185 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
186 bit rather than 16 bit precision.
187 (OP_3C00): For "mulxu", store unsigned product in ACC.
188 (OP_3800): For "msbu", subtract unsigned product from ACC,
189 (OP_0): For "sub", compute carry by comparing inputs.
191 Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
193 * simops.c (OP_1000): For "sub2w", compute carry by comparing
196 Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
198 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
199 carry indicated by value > 0xffff.
201 Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
203 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
205 (sim_resume): Fix race condition of a direct assignment to
206 stop_simulator, conditionally call sim_stop.
207 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
208 stop_simulator ready for next sim_resume call.
209 (sim_ctrl_c): Delete function.
211 Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
213 * interp.c (sim_resume): For "REP", only check/update the PC when
214 a branch instruction has not been executed.
216 Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
218 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
219 extend bit 44 all constants.
220 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
222 Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
224 * d10v_sim.h: Include sim-types.h.
225 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
226 using unsigned8 et.al. from sim-types.h.
227 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
230 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
232 * interp.c (sim_write_phys): New function, write to physical
233 instead of virtual memory.
235 * interp.c (sim_load): Pass lma_p and sim_write_phys to
238 Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
240 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
241 exception generation code to OP_6E01.
242 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
245 Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
247 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
250 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
252 * configure: Regenerated to track ../common/aclocal.m4 changes.
254 Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
256 * interp.c (pc_addr): Discard upper bit(s) of PC in case
257 IMAP1 selects unified memory.
258 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
261 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
263 * configure: Regenerated to track ../common/aclocal.m4 changes.
265 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
267 * configure: Regenerated to track ../common/aclocal.m4 changes.
269 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
271 * configure: Regenerated to track ../common/aclocal.m4 changes.
273 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
275 * configure: Regenerated to track ../common/aclocal.m4 changes.
277 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
279 * configure: Regenerated to track ../common/aclocal.m4 changes.
281 Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
283 * interp.c (sim_resume): Increment PC at end of rep
286 * simops.c (OP_4201): Fix rachi instruction.
288 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
290 * configure: Regenerated to track ../common/aclocal.m4 changes.
292 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
294 * configure: Regenerated to track ../common/aclocal.m4 changes.
297 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
299 * interp.c (sim_kill): Delete.
300 (sim_create_inferior): Add ABFD argument.
301 (sim_load): Move setting of PC from here.
302 (sim_create_inferior): To here.
303 (start_address): Delete variable.
305 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
307 * configure: Regenerated to track ../common/aclocal.m4 changes.
310 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
312 * interp.c (sim_open): Add ABFD argument.
314 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
316 * interp.c (sim_open): Add callback argument.
317 (sim_set_callbacks): Remove SIM_DESC argument.
319 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
321 * configure: Regenerated to track ../common/aclocal.m4 changes.
323 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
325 * interp.c (sim_open): Undo patch to add -E support.
327 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
329 * interp.c (sim_stop): New function.
331 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
333 * Makefile.in (SIM_OBJS): Add sim-load.o.
334 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
335 * interp.c: #include bfd.h.
336 (myname, sim_kind, start_address): New static locals.
337 (prog_bfd_was_opened_p, prog_bfd): New static locals.
338 (decode_pc): Update to use prog_bfd.
339 (sim_open): Set sim_kind, myname. Ignore -E arg.
340 (sim_close): Close prog_bfd if simulator opened it.
341 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
342 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
343 Call sim_load_file to load file into simulator.
344 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
346 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
348 * simops.c (OP_5F00): Only provide system calls SYS_execv,
349 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
351 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
353 * configure: Regenerated to track ../common/aclocal.m4 changes.
356 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
358 * interp.c (sim_open): New arg `kind'.
360 * configure: Regenerated to track ../common/aclocal.m4 changes.
362 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
364 * configure: Regenerated to track ../common/aclocal.m4 changes.
366 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
368 * configure: Re-generate.
370 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
372 * configure: Regenerate to track ../common/aclocal.m4 changes.
374 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
375 as trap 0, which will be deprecated. Only set errno, if an error
376 in fact was returned.
378 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
380 * interp.c: Delete redundant prototypes of sim_foo fns.
381 (sim_open): New SIM_DESC result. Argument is now in argv form.
382 (other sim_*): New SIM_DESC argument.
384 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
386 * simops.c (trace_{input,output}_func): Call flush_stdout from the
389 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
390 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
391 setting the carry bit after an add or a subtract.
393 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
395 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
396 40 bits of accumulators. Sign/zero extend as appropriate.
398 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
400 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
401 COMMON_{PRE,POST}_CONFIG_FRAG instead.
402 * configure.in: sinclude ../common/aclocal.m4.
403 * configure: Regenerated.
405 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
407 * configure configure.in Makefile.in: Update to new configure
408 scheme which is more compatible with WinGDB builds.
409 * configure.in: Improve comment on how to run autoconf.
410 * configure: Re-run autoconf to get new ../common/aclocal.m4.
411 * Makefile.in: Use autoconf substitution to install common
414 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
416 * gencode.c: patch to not #include "d10v_sim.h" which
417 unecessarily includes bfd.h and causes wingdb configure
420 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
422 * interp.c (xfer_mem): Change unified memory to 0x0.
424 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
426 * simops.c (OP_3E01): Fix tracing information.
427 (OP_300{0,1}): Do not propigate sign.
429 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
431 * config.in (WORDS_BIGENDIAN): Add.
432 * configure: Regenerated.
433 * d10v_sim.h: #include "config.h"
435 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
437 * gencode.c (write_opcodes): Eliminate warnings when generated
440 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
442 * interp.c (sim_open): Cast result of calloc, and make sure NULL
444 (dmem_addr): If address is illegal or in I/O space, signal a bus
446 (pc_addr): Signal bus error, not illegal instruction for bogus
449 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
451 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
452 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
453 * configure.in: Simplify using macros in ../common/aclocal.m4.
454 Call AC_CHECK_HEADERS(unistd.h).
455 * configure: Regenerated.
456 * config.in: New file.
457 * interp.c: #include "callback.h".
458 * simops.c: #include "config.h". #include <unistd.h> if present.
460 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
462 * d10v-sim.h (simops): Add flag is_long.
463 (State): Add pc_changed. Instructions which update the PC should
464 use the JMP macro which sets this.
465 (JMP): New macro. Sets the PC and the pc_changed flag.
467 * gencode.c (write_opcodes): Add is_long field.
469 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
470 to a long opcode we could get a false match. Check the opcode size.
471 (hash): Add a size field to the hash table.
472 (sim_open): Initialize size field in hash table.
473 (sim_resume): Change to logic for setting the PC. Used to increment the
474 PC if it had not been changed. This didn't allow single-instruction loops.
475 Now checks the flag State.pc_changed. Also now stops when ^C is received.
476 (dmem_addr): Fix translation of data segments to unified memory.
477 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
479 * simops.c: Changed all branch and jump instructions to use new JMP macro.
480 (OP_20000000): Corrected trace information to show this is a ldi.l, not
483 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
485 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
486 updating the accumulators was overwriting other parts of the global
489 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
491 * interp.c (bfd.h) Don't include it here any more.
492 (text{,_start,_end}): Move here from simops.c and make extern.
493 (decode_pc): New function to return the PC as an address that the
495 (dmem_addr): Print decoded PC in error message.
498 * simops.c (bfd.h) Don't include it here any more.
499 (text{,_start,_end}): Move to simops.c.
500 (trace_input_func): Move decoding of PC, and looking up .text
503 * d10v_sim.h (bfd.h): Include it here.
504 (text{,_start,_end}): Add external declarations.
508 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
510 * interp.c (sim_size): Now allocates unified memory for imap segments
511 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
512 (sim_write): Just call xfer_mem().
513 (sim_read): Just call xfer_mem().
514 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
515 (dmem_addr): New function. Reads dmap register and translates data
516 addresses to local addresses.
517 (pc_addr): New function. Reads imap register and computes local address
518 corresponding to contents of the PC.
519 (sim_resume): Change to use pc_addr().
520 (sim_create_inferior): Change reinitialization code. Also reinitializes
522 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
523 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
525 * simops.c (MEMPTR): Redefine to use dmem_addr().
526 (OP_5F00): Replace references to STate.imem with dmem_addr().
528 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
529 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
530 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
532 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
534 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
535 better statistics, like not counting NOPS as parallel
536 instructions, and printing total cycles.
537 (ins_type_counters): Make unsigned long.
538 (left_nops,right_nops): Fold into ins_type_counters.
540 * simops.c (trace_input_func): Print new instruction types.
541 Handle OP_R2R3 as input types.
542 (OP_{38000000,7000}): Correctly sign extend bytes.
543 (OP_5E00): Don't count NOPs as parallel instructions.
544 (OP_460B): Remove unused variable.
547 * interp.c (ins_type_counters): Make unsigned long.
548 (left_nops,right_nops): Delete.
549 (most functions): Add prototypes.
550 (INLINE): If GCC and optimize define as __inline__.
551 ({,lookup_}hash,get_operands): Declare as INLINE.
552 (do_parallel): Count conditional operations.
553 (add_commas): New function, to add commas every 3 digits.
554 (sim_size): Call add_commas to print numbers.
555 (sim_{open,resume}): Delete unused variables.
556 (sim_info): Provide better statistics.
557 (sim_read): Add int return type.
559 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
561 * interp.c (sim_resume): Change the way single-stepping and exceptions
562 are handled so single-stepping works again.
564 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
566 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
569 * configure.in (--enable-sim-bswap): New switch to enable using
570 the BSWAP instruction on x86's.
571 * configure: Regenerate.
573 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
576 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
578 * endian.c: New file. Move endian functions here from interp.c.
579 Optimize code, and make it work as either inline functions or as a
582 * interp.c: Move endian functions from here to endian.c.
584 * Makefile.in (INCLUDE): Add endian.c.
585 (run,libsim.a): Add dependency on endian.o.
586 (endian.o): Add dependency.
588 * d10v_sim.h (read/write support): Always go through the machine
589 independent endian functions. If compiling with GCC and
590 optimizing, include endian.c so the endian functions are inlined.
592 * simops.c (OP_5F00): Correct tracing of accumulators.
594 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
596 * simops.c (OP_5F00): Add support for getpid, kill system calls.
598 * interp.c (do_{2_short,parallel}): If an exception is raised,
599 don't execute the second instruction.
601 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
603 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
604 temporary in case the register is overriden when loading.
605 (OP_6200): Output type is OP_DREG for tracing.
607 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
609 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
611 * interp.c (sim_size): Initialize mem_{min,max} fields.
612 (sim_write): Update mem_{min,max} fields.
613 (sim_resume): If PC is not in the minimum/maximum memory range,
615 (sim_create_inferior): Preserve mem_{min,max} fields.
617 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
619 * simops.c (OP_5F00): Add support for time() system call.
621 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
623 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
625 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
628 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
630 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
631 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
632 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
633 to call/subroutine returns to trace the first two arguments and
634 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
636 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
638 * interp.c (sim_create_inferior): Reinitialize State every time
639 sim_create_inferior() is called.
641 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
643 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
645 (OP_401): Fix tracing information.
647 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
649 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
650 (trace_input_func): Use them.
651 (trace_input_func): Make sure there is a trailing space after the
653 (OP_6200): Fix tracing info.
655 * Makefile.in (run): Add dependencies on libbfd.a and
658 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
660 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
661 numbers and function names in debug trace.
662 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
664 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
665 and exit system call trap being executed.
667 * interp.c (sim_stop_reason): Set exit code correctly for stop
668 instruction and exit system call trap.
670 * configure.in (--enable-sim-cflags): Remove trace case.
671 (--enable-sim-debug): New switch to set the debug values.
672 * configure: Regenerate.
674 * simops.c (trace_{input,output}_func): Rename from
675 trace_{input,output}.
676 (trace_{input,output}): Call trace_{input,output}_func if
677 d10v_debug is non-zero.
678 (SIZE_INSTRUCTION): Cut down to 8.
679 (SIZE_OPERANDS): Cut down to 18.
680 (SIZE_LOCATION): New value for size of line number, function name
682 (init_text_p,text{,_start,_end}): New static variables for
683 printing line number and function name.
684 (exec_bfd): New external that run.c sets.
685 (trace_input_func): Print line number and function name if
686 available and if desired.
687 (OP_4E09): Don't print out DBT message.
688 (OP_5FE0): Set exception field to SIG_D10V_STOP.
689 (OP_5F00): Set exception field to SIG_D10V_EXIT.
691 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
693 * interp.c (do_2_short): If the instruction encodes jump->ins,
694 don't do the second instruction if the jump succeeds.
696 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
698 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
699 accumulators, PC, and F0/F1/C flags.
701 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
703 * simops.c (OP_5F00): Fix problems with system calls.
705 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
707 * simops.c (OP_5F00): Correct tracing information for trap.
709 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
711 * Makefile.in (CSEARCH): Correctly find opcodes directory.
713 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
715 * simops.c (trace_output): Properly align accumulator output.
716 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
717 if shift count is too high.
718 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
719 (OP_4E09): Make cpfg properly trace the input flags.
720 (op_types): Add OP_FLAG_OUTPUT.
721 (trace_{input,output}): Support OP_FLAG_OUTPUT.
722 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
723 an 8-bit memory reference instruction for tracing purposes.
724 (OP_201): Addi needs to set the carry.
726 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
728 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
729 to use signed register values.
731 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
733 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
735 (_ins_type): New enumeration to specify which container an
736 instruction is in, and whether it is part of a parallel operation.
737 (_state): Add ins_type field.
738 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
739 (ins_type_counters): Counters for the various instruction types.
740 ({left,right}_nops): Counters for the number of nops in each
742 (d10v_debug): New variable to indicate whether debugging is turned
745 * simops.c: (all functions): Change all #ifdef DEBUG code so that
746 the input and output values can be traced, along with the
747 instruction type. Make the -t option enable tracing.
748 (all functions): Change printf calls to use the printf_filtered
749 function in the callback table.
751 * interp.c (_leftright): New enumeration to say whether 2 short
752 instructions are done left first or right first.
753 (do_{long,2_short,parallel}): Indicate in the machine state which
754 type of instruction this is. Count each of the types of
755 instructions executed.
756 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
758 (sim_resume): Pass left/right indication to do_2_short.
759 (all functions): Change printf calls to use the printf_filtered
760 function in the callback table.
761 (sim_trace): Turn on debug flag if DEBUG was defined, and call
763 (sim_info): Print out statistics on instructions.
764 (sim_{trace,create_inferior}): Eliminate extraneous output unless
766 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
767 Only initialize the hash table the first time sim_open is called.
769 * Makefile.in: Make objects depend on d10v_sim.h.
770 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
771 CFLAGS does not override host/target defines or SIM_CFLAGS.
772 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
773 (run): By default, the math library is not needed to be linked
775 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
777 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
779 ({run,callback}.o): Provide explicit paths to their appropriate
781 (gencode{,.o},d10v-opc.o): Split compilation into creating object
782 and linking. Instead of linking in libopcodes.a, just compile
783 d10v-opc.o directly to handle canadian cross.
784 (CSEARCH): Add opcodes directory.
786 * configure.in (--enable-sim-cflags): New switch to allow user to
788 (CC_FOR_BUILD): Deal with canadian crosses.
789 * configure: Regenerate.
791 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
793 * simops.c: Include correct syscall.h for d10v, not host's.
796 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
798 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
799 Add trap 2 to be printf and trap 3 to be putchar.
801 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
803 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
804 for low-level system calls.
806 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
808 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
810 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
812 * d10v_sim.h (SEXT32): Added.
813 * interp.c: Commented out printfs.
814 * simops.c: Fixed error in sb and st2w.
816 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
818 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
819 DSP instructions. Added modulo addressing.
821 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
823 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
825 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
827 * d10v_sim.h, simops.c: Snapshot.
829 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
831 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
832 gencode.c, interp.c, simops.c: Created.