1 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
5 Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
7 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
9 Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
11 * d10v_sim.h (DEBUG_TRAP): New debug flag.
13 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
14 printing the registers.
16 Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
18 * simops.c (op_types): New ABI, args are r0..r3, system call # is
20 (trace_{in,out}put_func): Ditto.
26 Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
28 * interp.c (UMEM_SEGMENTS): New define, set to 128.
29 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
30 (sim_close): Reset prog_bfd to NULL after closing it. Also
31 reset prog_bfd_was_opened_p after closing prog_bfd.
32 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
33 (sim_create_inferior): Get start address from abfd not prog_bfd.
34 (xfer_mem): Do bounds checking on addresses and return zero length
35 read/write on bad addresses, rather than aborting. Prepare to
36 be able to handle xfers that cross segment boundaries, but not
37 yet implemented. Only emit debug message when d10v_debug is
38 set as well as DEBUG being defined.
40 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
42 * configure: Regenerated to track ../common/aclocal.m4 changes.
44 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
46 * configure: Regenerated to track ../common/aclocal.m4 changes.
49 Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
51 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
52 (BPSW): Ditto for BPSW_CR and not PSW_CR.
54 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
56 Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
58 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
59 reserved trap from 0 to 15. Add trap emulation code for 0-14.
61 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
64 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
65 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
67 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
69 (OP_5F00): For "trap", update BPSW with move_to_cr.
71 Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
73 * d10v_sim.h (enum): Enumerate CR register names.
74 (enum): Enumerate PSW bit values.
75 (PSW): Obtain value uing move_from_cr.
76 (MOD_S, MOD_E, BPSW): Make r-values.
77 (move_from_cr, move_to_cr): Declare functions.
79 * interp.c (sim_fetch_register, sim_store_register): Use
80 move_from_cr and move_to_cr for CR register transfers.
82 * simops.c (move_from_cr, move_to_cr): New functions.
83 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
84 (OP_5600): For "mvtc", use function move_to_cr.
85 (OP_5200): For "mvfc", use function move_from_cr.
87 Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
89 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
92 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
94 * configure: Regenerated to track ../common/aclocal.m4 changes.
96 Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
98 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
100 * simops.c (OP_5600): For "mvtc", save PSW.DM.
101 (OP_5200): Ditto for "mvfc".
103 Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
105 * d10v_sim.h (SEXT56): Define.
107 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
110 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
113 Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
115 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
116 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
117 don't match enum values.
119 Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
121 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
122 bit rather than 16 bit precision.
123 (OP_3C00): For "mulxu", store unsigned product in ACC.
124 (OP_3800): For "msbu", subtract unsigned product from ACC,
125 (OP_0): For "sub", compute carry by comparing inputs.
127 Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
129 * simops.c (OP_1000): For "sub2w", compute carry by comparing
132 Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
134 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
135 carry indicated by value > 0xffff.
137 Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
139 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
141 (sim_resume): Fix race condition of a direct assignment to
142 stop_simulator, conditionally call sim_stop.
143 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
144 stop_simulator ready for next sim_resume call.
145 (sim_ctrl_c): Delete function.
147 Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
149 * interp.c (sim_resume): For "REP", only check/update the PC when
150 a branch instruction has not been executed.
152 Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
154 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
155 extend bit 44 all constants.
156 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
158 Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
160 * d10v_sim.h: Include sim-types.h.
161 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
162 using unsigned8 et.al. from sim-types.h.
163 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
166 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
168 * interp.c (sim_write_phys): New function, write to physical
169 instead of virtual memory.
171 * interp.c (sim_load): Pass lma_p and sim_write_phys to
174 Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
176 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
177 exception generation code to OP_6E01.
178 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
181 Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
183 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
186 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
188 * configure: Regenerated to track ../common/aclocal.m4 changes.
190 Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
192 * interp.c (pc_addr): Discard upper bit(s) of PC in case
193 IMAP1 selects unified memory.
194 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
197 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
199 * configure: Regenerated to track ../common/aclocal.m4 changes.
201 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
203 * configure: Regenerated to track ../common/aclocal.m4 changes.
205 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
207 * configure: Regenerated to track ../common/aclocal.m4 changes.
209 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
211 * configure: Regenerated to track ../common/aclocal.m4 changes.
213 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
215 * configure: Regenerated to track ../common/aclocal.m4 changes.
217 Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
219 * interp.c (sim_resume): Increment PC at end of rep
222 * simops.c (OP_4201): Fix rachi instruction.
224 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
226 * configure: Regenerated to track ../common/aclocal.m4 changes.
228 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
230 * configure: Regenerated to track ../common/aclocal.m4 changes.
233 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
235 * interp.c (sim_kill): Delete.
236 (sim_create_inferior): Add ABFD argument.
237 (sim_load): Move setting of PC from here.
238 (sim_create_inferior): To here.
239 (start_address): Delete variable.
241 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
243 * configure: Regenerated to track ../common/aclocal.m4 changes.
246 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
248 * interp.c (sim_open): Add ABFD argument.
250 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
252 * interp.c (sim_open): Add callback argument.
253 (sim_set_callbacks): Remove SIM_DESC argument.
255 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
257 * configure: Regenerated to track ../common/aclocal.m4 changes.
259 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
261 * interp.c (sim_open): Undo patch to add -E support.
263 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
265 * interp.c (sim_stop): New function.
267 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
269 * Makefile.in (SIM_OBJS): Add sim-load.o.
270 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
271 * interp.c: #include bfd.h.
272 (myname, sim_kind, start_address): New static locals.
273 (prog_bfd_was_opened_p, prog_bfd): New static locals.
274 (decode_pc): Update to use prog_bfd.
275 (sim_open): Set sim_kind, myname. Ignore -E arg.
276 (sim_close): Close prog_bfd if simulator opened it.
277 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
278 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
279 Call sim_load_file to load file into simulator.
280 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
282 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
284 * simops.c (OP_5F00): Only provide system calls SYS_execv,
285 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
287 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
289 * configure: Regenerated to track ../common/aclocal.m4 changes.
292 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
294 * interp.c (sim_open): New arg `kind'.
296 * configure: Regenerated to track ../common/aclocal.m4 changes.
298 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
300 * configure: Regenerated to track ../common/aclocal.m4 changes.
302 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
304 * configure: Re-generate.
306 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
308 * configure: Regenerate to track ../common/aclocal.m4 changes.
310 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
311 as trap 0, which will be deprecated. Only set errno, if an error
312 in fact was returned.
314 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
316 * interp.c: Delete redundant prototypes of sim_foo fns.
317 (sim_open): New SIM_DESC result. Argument is now in argv form.
318 (other sim_*): New SIM_DESC argument.
320 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
322 * simops.c (trace_{input,output}_func): Call flush_stdout from the
325 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
326 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
327 setting the carry bit after an add or a subtract.
329 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
331 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
332 40 bits of accumulators. Sign/zero extend as appropriate.
334 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
336 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
337 COMMON_{PRE,POST}_CONFIG_FRAG instead.
338 * configure.in: sinclude ../common/aclocal.m4.
339 * configure: Regenerated.
341 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
343 * configure configure.in Makefile.in: Update to new configure
344 scheme which is more compatible with WinGDB builds.
345 * configure.in: Improve comment on how to run autoconf.
346 * configure: Re-run autoconf to get new ../common/aclocal.m4.
347 * Makefile.in: Use autoconf substitution to install common
350 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
352 * gencode.c: patch to not #include "d10v_sim.h" which
353 unecessarily includes bfd.h and causes wingdb configure
356 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
358 * interp.c (xfer_mem): Change unified memory to 0x0.
360 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
362 * simops.c (OP_3E01): Fix tracing information.
363 (OP_300{0,1}): Do not propigate sign.
365 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
367 * config.in (WORDS_BIGENDIAN): Add.
368 * configure: Regenerated.
369 * d10v_sim.h: #include "config.h"
371 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
373 * gencode.c (write_opcodes): Eliminate warnings when generated
376 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
378 * interp.c (sim_open): Cast result of calloc, and make sure NULL
380 (dmem_addr): If address is illegal or in I/O space, signal a bus
382 (pc_addr): Signal bus error, not illegal instruction for bogus
385 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
387 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
388 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
389 * configure.in: Simplify using macros in ../common/aclocal.m4.
390 Call AC_CHECK_HEADERS(unistd.h).
391 * configure: Regenerated.
392 * config.in: New file.
393 * interp.c: #include "callback.h".
394 * simops.c: #include "config.h". #include <unistd.h> if present.
396 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
398 * d10v-sim.h (simops): Add flag is_long.
399 (State): Add pc_changed. Instructions which update the PC should
400 use the JMP macro which sets this.
401 (JMP): New macro. Sets the PC and the pc_changed flag.
403 * gencode.c (write_opcodes): Add is_long field.
405 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
406 to a long opcode we could get a false match. Check the opcode size.
407 (hash): Add a size field to the hash table.
408 (sim_open): Initialize size field in hash table.
409 (sim_resume): Change to logic for setting the PC. Used to increment the
410 PC if it had not been changed. This didn't allow single-instruction loops.
411 Now checks the flag State.pc_changed. Also now stops when ^C is received.
412 (dmem_addr): Fix translation of data segments to unified memory.
413 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
415 * simops.c: Changed all branch and jump instructions to use new JMP macro.
416 (OP_20000000): Corrected trace information to show this is a ldi.l, not
419 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
421 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
422 updating the accumulators was overwriting other parts of the global
425 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
427 * interp.c (bfd.h) Don't include it here any more.
428 (text{,_start,_end}): Move here from simops.c and make extern.
429 (decode_pc): New function to return the PC as an address that the
431 (dmem_addr): Print decoded PC in error message.
434 * simops.c (bfd.h) Don't include it here any more.
435 (text{,_start,_end}): Move to simops.c.
436 (trace_input_func): Move decoding of PC, and looking up .text
439 * d10v_sim.h (bfd.h): Include it here.
440 (text{,_start,_end}): Add external declarations.
444 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
446 * interp.c (sim_size): Now allocates unified memory for imap segments
447 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
448 (sim_write): Just call xfer_mem().
449 (sim_read): Just call xfer_mem().
450 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
451 (dmem_addr): New function. Reads dmap register and translates data
452 addresses to local addresses.
453 (pc_addr): New function. Reads imap register and computes local address
454 corresponding to contents of the PC.
455 (sim_resume): Change to use pc_addr().
456 (sim_create_inferior): Change reinitialization code. Also reinitializes
458 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
459 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
461 * simops.c (MEMPTR): Redefine to use dmem_addr().
462 (OP_5F00): Replace references to STate.imem with dmem_addr().
464 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
465 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
466 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
468 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
470 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
471 better statistics, like not counting NOPS as parallel
472 instructions, and printing total cycles.
473 (ins_type_counters): Make unsigned long.
474 (left_nops,right_nops): Fold into ins_type_counters.
476 * simops.c (trace_input_func): Print new instruction types.
477 Handle OP_R2R3 as input types.
478 (OP_{38000000,7000}): Correctly sign extend bytes.
479 (OP_5E00): Don't count NOPs as parallel instructions.
480 (OP_460B): Remove unused variable.
483 * interp.c (ins_type_counters): Make unsigned long.
484 (left_nops,right_nops): Delete.
485 (most functions): Add prototypes.
486 (INLINE): If GCC and optimize define as __inline__.
487 ({,lookup_}hash,get_operands): Declare as INLINE.
488 (do_parallel): Count conditional operations.
489 (add_commas): New function, to add commas every 3 digits.
490 (sim_size): Call add_commas to print numbers.
491 (sim_{open,resume}): Delete unused variables.
492 (sim_info): Provide better statistics.
493 (sim_read): Add int return type.
495 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
497 * interp.c (sim_resume): Change the way single-stepping and exceptions
498 are handled so single-stepping works again.
500 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
502 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
505 * configure.in (--enable-sim-bswap): New switch to enable using
506 the BSWAP instruction on x86's.
507 * configure: Regenerate.
509 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
512 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
514 * endian.c: New file. Move endian functions here from interp.c.
515 Optimize code, and make it work as either inline functions or as a
518 * interp.c: Move endian functions from here to endian.c.
520 * Makefile.in (INCLUDE): Add endian.c.
521 (run,libsim.a): Add dependency on endian.o.
522 (endian.o): Add dependency.
524 * d10v_sim.h (read/write support): Always go through the machine
525 independent endian functions. If compiling with GCC and
526 optimizing, include endian.c so the endian functions are inlined.
528 * simops.c (OP_5F00): Correct tracing of accumulators.
530 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
532 * simops.c (OP_5F00): Add support for getpid, kill system calls.
534 * interp.c (do_{2_short,parallel}): If an exception is raised,
535 don't execute the second instruction.
537 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
539 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
540 temporary in case the register is overriden when loading.
541 (OP_6200): Output type is OP_DREG for tracing.
543 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
545 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
547 * interp.c (sim_size): Initialize mem_{min,max} fields.
548 (sim_write): Update mem_{min,max} fields.
549 (sim_resume): If PC is not in the minimum/maximum memory range,
551 (sim_create_inferior): Preserve mem_{min,max} fields.
553 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
555 * simops.c (OP_5F00): Add support for time() system call.
557 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
559 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
561 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
564 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
566 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
567 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
568 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
569 to call/subroutine returns to trace the first two arguments and
570 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
572 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
574 * interp.c (sim_create_inferior): Reinitialize State every time
575 sim_create_inferior() is called.
577 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
579 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
581 (OP_401): Fix tracing information.
583 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
585 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
586 (trace_input_func): Use them.
587 (trace_input_func): Make sure there is a trailing space after the
589 (OP_6200): Fix tracing info.
591 * Makefile.in (run): Add dependencies on libbfd.a and
594 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
596 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
597 numbers and function names in debug trace.
598 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
600 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
601 and exit system call trap being executed.
603 * interp.c (sim_stop_reason): Set exit code correctly for stop
604 instruction and exit system call trap.
606 * configure.in (--enable-sim-cflags): Remove trace case.
607 (--enable-sim-debug): New switch to set the debug values.
608 * configure: Regenerate.
610 * simops.c (trace_{input,output}_func): Rename from
611 trace_{input,output}.
612 (trace_{input,output}): Call trace_{input,output}_func if
613 d10v_debug is non-zero.
614 (SIZE_INSTRUCTION): Cut down to 8.
615 (SIZE_OPERANDS): Cut down to 18.
616 (SIZE_LOCATION): New value for size of line number, function name
618 (init_text_p,text{,_start,_end}): New static variables for
619 printing line number and function name.
620 (exec_bfd): New external that run.c sets.
621 (trace_input_func): Print line number and function name if
622 available and if desired.
623 (OP_4E09): Don't print out DBT message.
624 (OP_5FE0): Set exception field to SIG_D10V_STOP.
625 (OP_5F00): Set exception field to SIG_D10V_EXIT.
627 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
629 * interp.c (do_2_short): If the instruction encodes jump->ins,
630 don't do the second instruction if the jump succeeds.
632 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
634 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
635 accumulators, PC, and F0/F1/C flags.
637 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
639 * simops.c (OP_5F00): Fix problems with system calls.
641 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
643 * simops.c (OP_5F00): Correct tracing information for trap.
645 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
647 * Makefile.in (CSEARCH): Correctly find opcodes directory.
649 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
651 * simops.c (trace_output): Properly align accumulator output.
652 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
653 if shift count is too high.
654 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
655 (OP_4E09): Make cpfg properly trace the input flags.
656 (op_types): Add OP_FLAG_OUTPUT.
657 (trace_{input,output}): Support OP_FLAG_OUTPUT.
658 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
659 an 8-bit memory reference instruction for tracing purposes.
660 (OP_201): Addi needs to set the carry.
662 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
664 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
665 to use signed register values.
667 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
669 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
671 (_ins_type): New enumeration to specify which container an
672 instruction is in, and whether it is part of a parallel operation.
673 (_state): Add ins_type field.
674 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
675 (ins_type_counters): Counters for the various instruction types.
676 ({left,right}_nops): Counters for the number of nops in each
678 (d10v_debug): New variable to indicate whether debugging is turned
681 * simops.c: (all functions): Change all #ifdef DEBUG code so that
682 the input and output values can be traced, along with the
683 instruction type. Make the -t option enable tracing.
684 (all functions): Change printf calls to use the printf_filtered
685 function in the callback table.
687 * interp.c (_leftright): New enumeration to say whether 2 short
688 instructions are done left first or right first.
689 (do_{long,2_short,parallel}): Indicate in the machine state which
690 type of instruction this is. Count each of the types of
691 instructions executed.
692 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
694 (sim_resume): Pass left/right indication to do_2_short.
695 (all functions): Change printf calls to use the printf_filtered
696 function in the callback table.
697 (sim_trace): Turn on debug flag if DEBUG was defined, and call
699 (sim_info): Print out statistics on instructions.
700 (sim_{trace,create_inferior}): Eliminate extraneous output unless
702 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
703 Only initialize the hash table the first time sim_open is called.
705 * Makefile.in: Make objects depend on d10v_sim.h.
706 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
707 CFLAGS does not override host/target defines or SIM_CFLAGS.
708 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
709 (run): By default, the math library is not needed to be linked
711 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
713 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
715 ({run,callback}.o): Provide explicit paths to their appropriate
717 (gencode{,.o},d10v-opc.o): Split compilation into creating object
718 and linking. Instead of linking in libopcodes.a, just compile
719 d10v-opc.o directly to handle canadian cross.
720 (CSEARCH): Add opcodes directory.
722 * configure.in (--enable-sim-cflags): New switch to allow user to
724 (CC_FOR_BUILD): Deal with canadian crosses.
725 * configure: Regenerate.
727 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
729 * simops.c: Include correct syscall.h for d10v, not host's.
732 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
734 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
735 Add trap 2 to be printf and trap 3 to be putchar.
737 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
739 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
740 for low-level system calls.
742 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
744 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
746 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
748 * d10v_sim.h (SEXT32): Added.
749 * interp.c: Commented out printfs.
750 * simops.c: Fixed error in sb and st2w.
752 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
754 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
755 DSP instructions. Added modulo addressing.
757 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
759 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
761 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
763 * d10v_sim.h, simops.c: Snapshot.
765 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
767 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
768 gencode.c, interp.c, simops.c: Created.