1 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
5 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
7 * configure: Regenerated to track ../common/aclocal.m4 changes.
9 Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
11 * interp.c (sim_resume): Increment PC at end of rep
14 * simops.c (OP_4201): Fix rachi instruction.
16 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
18 * configure: Regenerated to track ../common/aclocal.m4 changes.
20 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
22 * configure: Regenerated to track ../common/aclocal.m4 changes.
25 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
27 * interp.c (sim_kill): Delete.
28 (sim_create_inferior): Add ABFD argument.
29 (sim_load): Move setting of PC from here.
30 (sim_create_inferior): To here.
31 (start_address): Delete variable.
33 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
35 * configure: Regenerated to track ../common/aclocal.m4 changes.
38 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
40 * interp.c (sim_open): Add ABFD argument.
42 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
44 * interp.c (sim_open): Add callback argument.
45 (sim_set_callbacks): Remove SIM_DESC argument.
47 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
49 * configure: Regenerated to track ../common/aclocal.m4 changes.
51 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
53 * interp.c (sim_open): Undo patch to add -E support.
55 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
57 * interp.c (sim_stop): New function.
59 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
61 * Makefile.in (SIM_OBJS): Add sim-load.o.
62 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
63 * interp.c: #include bfd.h.
64 (myname, sim_kind, start_address): New static locals.
65 (prog_bfd_was_opened_p, prog_bfd): New static locals.
66 (decode_pc): Update to use prog_bfd.
67 (sim_open): Set sim_kind, myname. Ignore -E arg.
68 (sim_close): Close prog_bfd if simulator opened it.
69 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
70 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
71 Call sim_load_file to load file into simulator.
72 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
74 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
76 * simops.c (OP_5F00): Only provide system calls SYS_execv,
77 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
79 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
81 * configure: Regenerated to track ../common/aclocal.m4 changes.
84 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
86 * interp.c (sim_open): New arg `kind'.
88 * configure: Regenerated to track ../common/aclocal.m4 changes.
90 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
92 * configure: Regenerated to track ../common/aclocal.m4 changes.
94 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
96 * configure: Re-generate.
98 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
100 * configure: Regenerate to track ../common/aclocal.m4 changes.
102 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
103 as trap 0, which will be deprecated. Only set errno, if an error
104 in fact was returned.
106 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
108 * interp.c: Delete redundant prototypes of sim_foo fns.
109 (sim_open): New SIM_DESC result. Argument is now in argv form.
110 (other sim_*): New SIM_DESC argument.
112 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
114 * simops.c (trace_{input,output}_func): Call flush_stdout from the
117 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
118 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
119 setting the carry bit after an add or a subtract.
121 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
123 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
124 40 bits of accumulators. Sign/zero extend as appropriate.
126 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
128 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
129 COMMON_{PRE,POST}_CONFIG_FRAG instead.
130 * configure.in: sinclude ../common/aclocal.m4.
131 * configure: Regenerated.
133 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
135 * configure configure.in Makefile.in: Update to new configure
136 scheme which is more compatible with WinGDB builds.
137 * configure.in: Improve comment on how to run autoconf.
138 * configure: Re-run autoconf to get new ../common/aclocal.m4.
139 * Makefile.in: Use autoconf substitution to install common
142 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
144 * gencode.c: patch to not #include "d10v_sim.h" which
145 unecessarily includes bfd.h and causes wingdb configure
148 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
150 * interp.c (xfer_mem): Change unified memory to 0x0.
152 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
154 * simops.c (OP_3E01): Fix tracing information.
155 (OP_300{0,1}): Do not propigate sign.
157 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
159 * config.in (WORDS_BIGENDIAN): Add.
160 * configure: Regenerated.
161 * d10v_sim.h: #include "config.h"
163 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
165 * gencode.c (write_opcodes): Eliminate warnings when generated
168 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
170 * interp.c (sim_open): Cast result of calloc, and make sure NULL
172 (dmem_addr): If address is illegal or in I/O space, signal a bus
174 (pc_addr): Signal bus error, not illegal instruction for bogus
177 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
179 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
180 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
181 * configure.in: Simplify using macros in ../common/aclocal.m4.
182 Call AC_CHECK_HEADERS(unistd.h).
183 * configure: Regenerated.
184 * config.in: New file.
185 * interp.c: #include "callback.h".
186 * simops.c: #include "config.h". #include <unistd.h> if present.
188 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
190 * d10v-sim.h (simops): Add flag is_long.
191 (State): Add pc_changed. Instructions which update the PC should
192 use the JMP macro which sets this.
193 (JMP): New macro. Sets the PC and the pc_changed flag.
195 * gencode.c (write_opcodes): Add is_long field.
197 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
198 to a long opcode we could get a false match. Check the opcode size.
199 (hash): Add a size field to the hash table.
200 (sim_open): Initialize size field in hash table.
201 (sim_resume): Change to logic for setting the PC. Used to increment the
202 PC if it had not been changed. This didn't allow single-instruction loops.
203 Now checks the flag State.pc_changed. Also now stops when ^C is received.
204 (dmem_addr): Fix translation of data segments to unified memory.
205 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
207 * simops.c: Changed all branch and jump instructions to use new JMP macro.
208 (OP_20000000): Corrected trace information to show this is a ldi.l, not
211 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
213 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
214 updating the accumulators was overwriting other parts of the global
217 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
219 * interp.c (bfd.h) Don't include it here any more.
220 (text{,_start,_end}): Move here from simops.c and make extern.
221 (decode_pc): New function to return the PC as an address that the
223 (dmem_addr): Print decoded PC in error message.
226 * simops.c (bfd.h) Don't include it here any more.
227 (text{,_start,_end}): Move to simops.c.
228 (trace_input_func): Move decoding of PC, and looking up .text
231 * d10v_sim.h (bfd.h): Include it here.
232 (text{,_start,_end}): Add external declarations.
236 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
238 * interp.c (sim_size): Now allocates unified memory for imap segments
239 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
240 (sim_write): Just call xfer_mem().
241 (sim_read): Just call xfer_mem().
242 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
243 (dmem_addr): New function. Reads dmap register and translates data
244 addresses to local addresses.
245 (pc_addr): New function. Reads imap register and computes local address
246 corresponding to contents of the PC.
247 (sim_resume): Change to use pc_addr().
248 (sim_create_inferior): Change reinitialization code. Also reinitializes
250 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
251 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
253 * simops.c (MEMPTR): Redefine to use dmem_addr().
254 (OP_5F00): Replace references to STate.imem with dmem_addr().
256 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
257 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
258 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
260 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
262 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
263 better statistics, like not counting NOPS as parallel
264 instructions, and printing total cycles.
265 (ins_type_counters): Make unsigned long.
266 (left_nops,right_nops): Fold into ins_type_counters.
268 * simops.c (trace_input_func): Print new instruction types.
269 Handle OP_R2R3 as input types.
270 (OP_{38000000,7000}): Correctly sign extend bytes.
271 (OP_5E00): Don't count NOPs as parallel instructions.
272 (OP_460B): Remove unused variable.
275 * interp.c (ins_type_counters): Make unsigned long.
276 (left_nops,right_nops): Delete.
277 (most functions): Add prototypes.
278 (INLINE): If GCC and optimize define as __inline__.
279 ({,lookup_}hash,get_operands): Declare as INLINE.
280 (do_parallel): Count conditional operations.
281 (add_commas): New function, to add commas every 3 digits.
282 (sim_size): Call add_commas to print numbers.
283 (sim_{open,resume}): Delete unused variables.
284 (sim_info): Provide better statistics.
285 (sim_read): Add int return type.
287 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
289 * interp.c (sim_resume): Change the way single-stepping and exceptions
290 are handled so single-stepping works again.
292 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
294 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
297 * configure.in (--enable-sim-bswap): New switch to enable using
298 the BSWAP instruction on x86's.
299 * configure: Regenerate.
301 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
304 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
306 * endian.c: New file. Move endian functions here from interp.c.
307 Optimize code, and make it work as either inline functions or as a
310 * interp.c: Move endian functions from here to endian.c.
312 * Makefile.in (INCLUDE): Add endian.c.
313 (run,libsim.a): Add dependency on endian.o.
314 (endian.o): Add dependency.
316 * d10v_sim.h (read/write support): Always go through the machine
317 independent endian functions. If compiling with GCC and
318 optimizing, include endian.c so the endian functions are inlined.
320 * simops.c (OP_5F00): Correct tracing of accumulators.
322 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
324 * simops.c (OP_5F00): Add support for getpid, kill system calls.
326 * interp.c (do_{2_short,parallel}): If an exception is raised,
327 don't execute the second instruction.
329 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
331 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
332 temporary in case the register is overriden when loading.
333 (OP_6200): Output type is OP_DREG for tracing.
335 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
337 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
339 * interp.c (sim_size): Initialize mem_{min,max} fields.
340 (sim_write): Update mem_{min,max} fields.
341 (sim_resume): If PC is not in the minimum/maximum memory range,
343 (sim_create_inferior): Preserve mem_{min,max} fields.
345 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
347 * simops.c (OP_5F00): Add support for time() system call.
349 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
351 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
353 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
356 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
358 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
359 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
360 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
361 to call/subroutine returns to trace the first two arguments and
362 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
364 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
366 * interp.c (sim_create_inferior): Reinitialize State every time
367 sim_create_inferior() is called.
369 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
371 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
373 (OP_401): Fix tracing information.
375 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
377 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
378 (trace_input_func): Use them.
379 (trace_input_func): Make sure there is a trailing space after the
381 (OP_6200): Fix tracing info.
383 * Makefile.in (run): Add dependencies on libbfd.a and
386 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
388 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
389 numbers and function names in debug trace.
390 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
392 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
393 and exit system call trap being executed.
395 * interp.c (sim_stop_reason): Set exit code correctly for stop
396 instruction and exit system call trap.
398 * configure.in (--enable-sim-cflags): Remove trace case.
399 (--enable-sim-debug): New switch to set the debug values.
400 * configure: Regenerate.
402 * simops.c (trace_{input,output}_func): Rename from
403 trace_{input,output}.
404 (trace_{input,output}): Call trace_{input,output}_func if
405 d10v_debug is non-zero.
406 (SIZE_INSTRUCTION): Cut down to 8.
407 (SIZE_OPERANDS): Cut down to 18.
408 (SIZE_LOCATION): New value for size of line number, function name
410 (init_text_p,text{,_start,_end}): New static variables for
411 printing line number and function name.
412 (exec_bfd): New external that run.c sets.
413 (trace_input_func): Print line number and function name if
414 available and if desired.
415 (OP_4E09): Don't print out DBT message.
416 (OP_5FE0): Set exception field to SIG_D10V_STOP.
417 (OP_5F00): Set exception field to SIG_D10V_EXIT.
419 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
421 * interp.c (do_2_short): If the instruction encodes jump->ins,
422 don't do the second instruction if the jump succeeds.
424 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
426 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
427 accumulators, PC, and F0/F1/C flags.
429 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
431 * simops.c (OP_5F00): Fix problems with system calls.
433 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
435 * simops.c (OP_5F00): Correct tracing information for trap.
437 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
439 * Makefile.in (CSEARCH): Correctly find opcodes directory.
441 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
443 * simops.c (trace_output): Properly align accumulator output.
444 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
445 if shift count is too high.
446 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
447 (OP_4E09): Make cpfg properly trace the input flags.
448 (op_types): Add OP_FLAG_OUTPUT.
449 (trace_{input,output}): Support OP_FLAG_OUTPUT.
450 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
451 an 8-bit memory reference instruction for tracing purposes.
452 (OP_201): Addi needs to set the carry.
454 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
456 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
457 to use signed register values.
459 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
461 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
463 (_ins_type): New enumeration to specify which container an
464 instruction is in, and whether it is part of a parallel operation.
465 (_state): Add ins_type field.
466 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
467 (ins_type_counters): Counters for the various instruction types.
468 ({left,right}_nops): Counters for the number of nops in each
470 (d10v_debug): New variable to indicate whether debugging is turned
473 * simops.c: (all functions): Change all #ifdef DEBUG code so that
474 the input and output values can be traced, along with the
475 instruction type. Make the -t option enable tracing.
476 (all functions): Change printf calls to use the printf_filtered
477 function in the callback table.
479 * interp.c (_leftright): New enumeration to say whether 2 short
480 instructions are done left first or right first.
481 (do_{long,2_short,parallel}): Indicate in the machine state which
482 type of instruction this is. Count each of the types of
483 instructions executed.
484 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
486 (sim_resume): Pass left/right indication to do_2_short.
487 (all functions): Change printf calls to use the printf_filtered
488 function in the callback table.
489 (sim_trace): Turn on debug flag if DEBUG was defined, and call
491 (sim_info): Print out statistics on instructions.
492 (sim_{trace,create_inferior}): Eliminate extraneous output unless
494 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
495 Only initialize the hash table the first time sim_open is called.
497 * Makefile.in: Make objects depend on d10v_sim.h.
498 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
499 CFLAGS does not override host/target defines or SIM_CFLAGS.
500 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
501 (run): By default, the math library is not needed to be linked
503 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
505 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
507 ({run,callback}.o): Provide explicit paths to their appropriate
509 (gencode{,.o},d10v-opc.o): Split compilation into creating object
510 and linking. Instead of linking in libopcodes.a, just compile
511 d10v-opc.o directly to handle canadian cross.
512 (CSEARCH): Add opcodes directory.
514 * configure.in (--enable-sim-cflags): New switch to allow user to
516 (CC_FOR_BUILD): Deal with canadian crosses.
517 * configure: Regenerate.
519 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
521 * simops.c: Include correct syscall.h for d10v, not host's.
524 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
526 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
527 Add trap 2 to be printf and trap 3 to be putchar.
529 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
531 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
532 for low-level system calls.
534 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
536 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
538 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
540 * d10v_sim.h (SEXT32): Added.
541 * interp.c: Commented out printfs.
542 * simops.c: Fixed error in sb and st2w.
544 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
546 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
547 DSP instructions. Added modulo addressing.
549 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
551 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
553 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
555 * d10v_sim.h, simops.c: Snapshot.
557 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
559 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
560 gencode.c, interp.c, simops.c: Created.