1 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
5 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
7 * configure: Regenerated to track ../common/aclocal.m4 changes.
10 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
12 * interp.c (sim_kill): Delete.
13 (sim_create_inferior): Add ABFD argument.
14 (sim_load): Move setting of PC from here.
15 (sim_create_inferior): To here.
16 (start_address): Delete variable.
18 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
20 * configure: Regenerated to track ../common/aclocal.m4 changes.
23 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
25 * interp.c (sim_open): Add ABFD argument.
27 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
29 * interp.c (sim_open): Add callback argument.
30 (sim_set_callbacks): Remove SIM_DESC argument.
32 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
34 * configure: Regenerated to track ../common/aclocal.m4 changes.
36 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
38 * interp.c (sim_open): Undo patch to add -E support.
40 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
42 * interp.c (sim_stop): New function.
44 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
46 * Makefile.in (SIM_OBJS): Add sim-load.o.
47 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
48 * interp.c: #include bfd.h.
49 (myname, sim_kind, start_address): New static locals.
50 (prog_bfd_was_opened_p, prog_bfd): New static locals.
51 (decode_pc): Update to use prog_bfd.
52 (sim_open): Set sim_kind, myname. Ignore -E arg.
53 (sim_close): Close prog_bfd if simulator opened it.
54 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
55 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
56 Call sim_load_file to load file into simulator.
57 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
59 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
61 * simops.c (OP_5F00): Only provide system calls SYS_execv,
62 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
64 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
66 * configure: Regenerated to track ../common/aclocal.m4 changes.
69 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
71 * interp.c (sim_open): New arg `kind'.
73 * configure: Regenerated to track ../common/aclocal.m4 changes.
75 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
77 * configure: Regenerated to track ../common/aclocal.m4 changes.
79 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
81 * configure: Re-generate.
83 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
85 * configure: Regenerate to track ../common/aclocal.m4 changes.
87 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
88 as trap 0, which will be deprecated. Only set errno, if an error
91 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
93 * interp.c: Delete redundant prototypes of sim_foo fns.
94 (sim_open): New SIM_DESC result. Argument is now in argv form.
95 (other sim_*): New SIM_DESC argument.
97 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
99 * simops.c (trace_{input,output}_func): Call flush_stdout from the
102 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
103 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
104 setting the carry bit after an add or a subtract.
106 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
108 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
109 40 bits of accumulators. Sign/zero extend as appropriate.
111 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
113 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
114 COMMON_{PRE,POST}_CONFIG_FRAG instead.
115 * configure.in: sinclude ../common/aclocal.m4.
116 * configure: Regenerated.
118 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
120 * configure configure.in Makefile.in: Update to new configure
121 scheme which is more compatible with WinGDB builds.
122 * configure.in: Improve comment on how to run autoconf.
123 * configure: Re-run autoconf to get new ../common/aclocal.m4.
124 * Makefile.in: Use autoconf substitution to install common
127 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
129 * gencode.c: patch to not #include "d10v_sim.h" which
130 unecessarily includes bfd.h and causes wingdb configure
133 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
135 * interp.c (xfer_mem): Change unified memory to 0x0.
137 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
139 * simops.c (OP_3E01): Fix tracing information.
140 (OP_300{0,1}): Do not propigate sign.
142 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
144 * config.in (WORDS_BIGENDIAN): Add.
145 * configure: Regenerated.
146 * d10v_sim.h: #include "config.h"
148 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
150 * gencode.c (write_opcodes): Eliminate warnings when generated
153 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
155 * interp.c (sim_open): Cast result of calloc, and make sure NULL
157 (dmem_addr): If address is illegal or in I/O space, signal a bus
159 (pc_addr): Signal bus error, not illegal instruction for bogus
162 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
164 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
165 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
166 * configure.in: Simplify using macros in ../common/aclocal.m4.
167 Call AC_CHECK_HEADERS(unistd.h).
168 * configure: Regenerated.
169 * config.in: New file.
170 * interp.c: #include "callback.h".
171 * simops.c: #include "config.h". #include <unistd.h> if present.
173 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
175 * d10v-sim.h (simops): Add flag is_long.
176 (State): Add pc_changed. Instructions which update the PC should
177 use the JMP macro which sets this.
178 (JMP): New macro. Sets the PC and the pc_changed flag.
180 * gencode.c (write_opcodes): Add is_long field.
182 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
183 to a long opcode we could get a false match. Check the opcode size.
184 (hash): Add a size field to the hash table.
185 (sim_open): Initialize size field in hash table.
186 (sim_resume): Change to logic for setting the PC. Used to increment the
187 PC if it had not been changed. This didn't allow single-instruction loops.
188 Now checks the flag State.pc_changed. Also now stops when ^C is received.
189 (dmem_addr): Fix translation of data segments to unified memory.
190 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
192 * simops.c: Changed all branch and jump instructions to use new JMP macro.
193 (OP_20000000): Corrected trace information to show this is a ldi.l, not
196 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
198 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
199 updating the accumulators was overwriting other parts of the global
202 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
204 * interp.c (bfd.h) Don't include it here any more.
205 (text{,_start,_end}): Move here from simops.c and make extern.
206 (decode_pc): New function to return the PC as an address that the
208 (dmem_addr): Print decoded PC in error message.
211 * simops.c (bfd.h) Don't include it here any more.
212 (text{,_start,_end}): Move to simops.c.
213 (trace_input_func): Move decoding of PC, and looking up .text
216 * d10v_sim.h (bfd.h): Include it here.
217 (text{,_start,_end}): Add external declarations.
221 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
223 * interp.c (sim_size): Now allocates unified memory for imap segments
224 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
225 (sim_write): Just call xfer_mem().
226 (sim_read): Just call xfer_mem().
227 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
228 (dmem_addr): New function. Reads dmap register and translates data
229 addresses to local addresses.
230 (pc_addr): New function. Reads imap register and computes local address
231 corresponding to contents of the PC.
232 (sim_resume): Change to use pc_addr().
233 (sim_create_inferior): Change reinitialization code. Also reinitializes
235 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
236 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
238 * simops.c (MEMPTR): Redefine to use dmem_addr().
239 (OP_5F00): Replace references to STate.imem with dmem_addr().
241 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
242 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
243 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
245 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
247 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
248 better statistics, like not counting NOPS as parallel
249 instructions, and printing total cycles.
250 (ins_type_counters): Make unsigned long.
251 (left_nops,right_nops): Fold into ins_type_counters.
253 * simops.c (trace_input_func): Print new instruction types.
254 Handle OP_R2R3 as input types.
255 (OP_{38000000,7000}): Correctly sign extend bytes.
256 (OP_5E00): Don't count NOPs as parallel instructions.
257 (OP_460B): Remove unused variable.
260 * interp.c (ins_type_counters): Make unsigned long.
261 (left_nops,right_nops): Delete.
262 (most functions): Add prototypes.
263 (INLINE): If GCC and optimize define as __inline__.
264 ({,lookup_}hash,get_operands): Declare as INLINE.
265 (do_parallel): Count conditional operations.
266 (add_commas): New function, to add commas every 3 digits.
267 (sim_size): Call add_commas to print numbers.
268 (sim_{open,resume}): Delete unused variables.
269 (sim_info): Provide better statistics.
270 (sim_read): Add int return type.
272 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
274 * interp.c (sim_resume): Change the way single-stepping and exceptions
275 are handled so single-stepping works again.
277 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
279 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
282 * configure.in (--enable-sim-bswap): New switch to enable using
283 the BSWAP instruction on x86's.
284 * configure: Regenerate.
286 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
289 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
291 * endian.c: New file. Move endian functions here from interp.c.
292 Optimize code, and make it work as either inline functions or as a
295 * interp.c: Move endian functions from here to endian.c.
297 * Makefile.in (INCLUDE): Add endian.c.
298 (run,libsim.a): Add dependency on endian.o.
299 (endian.o): Add dependency.
301 * d10v_sim.h (read/write support): Always go through the machine
302 independent endian functions. If compiling with GCC and
303 optimizing, include endian.c so the endian functions are inlined.
305 * simops.c (OP_5F00): Correct tracing of accumulators.
307 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
309 * simops.c (OP_5F00): Add support for getpid, kill system calls.
311 * interp.c (do_{2_short,parallel}): If an exception is raised,
312 don't execute the second instruction.
314 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
316 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
317 temporary in case the register is overriden when loading.
318 (OP_6200): Output type is OP_DREG for tracing.
320 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
322 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
324 * interp.c (sim_size): Initialize mem_{min,max} fields.
325 (sim_write): Update mem_{min,max} fields.
326 (sim_resume): If PC is not in the minimum/maximum memory range,
328 (sim_create_inferior): Preserve mem_{min,max} fields.
330 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
332 * simops.c (OP_5F00): Add support for time() system call.
334 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
336 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
338 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
341 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
343 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
344 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
345 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
346 to call/subroutine returns to trace the first two arguments and
347 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
349 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
351 * interp.c (sim_create_inferior): Reinitialize State every time
352 sim_create_inferior() is called.
354 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
356 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
358 (OP_401): Fix tracing information.
360 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
362 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
363 (trace_input_func): Use them.
364 (trace_input_func): Make sure there is a trailing space after the
366 (OP_6200): Fix tracing info.
368 * Makefile.in (run): Add dependencies on libbfd.a and
371 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
373 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
374 numbers and function names in debug trace.
375 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
377 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
378 and exit system call trap being executed.
380 * interp.c (sim_stop_reason): Set exit code correctly for stop
381 instruction and exit system call trap.
383 * configure.in (--enable-sim-cflags): Remove trace case.
384 (--enable-sim-debug): New switch to set the debug values.
385 * configure: Regenerate.
387 * simops.c (trace_{input,output}_func): Rename from
388 trace_{input,output}.
389 (trace_{input,output}): Call trace_{input,output}_func if
390 d10v_debug is non-zero.
391 (SIZE_INSTRUCTION): Cut down to 8.
392 (SIZE_OPERANDS): Cut down to 18.
393 (SIZE_LOCATION): New value for size of line number, function name
395 (init_text_p,text{,_start,_end}): New static variables for
396 printing line number and function name.
397 (exec_bfd): New external that run.c sets.
398 (trace_input_func): Print line number and function name if
399 available and if desired.
400 (OP_4E09): Don't print out DBT message.
401 (OP_5FE0): Set exception field to SIG_D10V_STOP.
402 (OP_5F00): Set exception field to SIG_D10V_EXIT.
404 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
406 * interp.c (do_2_short): If the instruction encodes jump->ins,
407 don't do the second instruction if the jump succeeds.
409 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
411 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
412 accumulators, PC, and F0/F1/C flags.
414 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
416 * simops.c (OP_5F00): Fix problems with system calls.
418 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
420 * simops.c (OP_5F00): Correct tracing information for trap.
422 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
424 * Makefile.in (CSEARCH): Correctly find opcodes directory.
426 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
428 * simops.c (trace_output): Properly align accumulator output.
429 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
430 if shift count is too high.
431 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
432 (OP_4E09): Make cpfg properly trace the input flags.
433 (op_types): Add OP_FLAG_OUTPUT.
434 (trace_{input,output}): Support OP_FLAG_OUTPUT.
435 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
436 an 8-bit memory reference instruction for tracing purposes.
437 (OP_201): Addi needs to set the carry.
439 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
441 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
442 to use signed register values.
444 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
446 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
448 (_ins_type): New enumeration to specify which container an
449 instruction is in, and whether it is part of a parallel operation.
450 (_state): Add ins_type field.
451 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
452 (ins_type_counters): Counters for the various instruction types.
453 ({left,right}_nops): Counters for the number of nops in each
455 (d10v_debug): New variable to indicate whether debugging is turned
458 * simops.c: (all functions): Change all #ifdef DEBUG code so that
459 the input and output values can be traced, along with the
460 instruction type. Make the -t option enable tracing.
461 (all functions): Change printf calls to use the printf_filtered
462 function in the callback table.
464 * interp.c (_leftright): New enumeration to say whether 2 short
465 instructions are done left first or right first.
466 (do_{long,2_short,parallel}): Indicate in the machine state which
467 type of instruction this is. Count each of the types of
468 instructions executed.
469 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
471 (sim_resume): Pass left/right indication to do_2_short.
472 (all functions): Change printf calls to use the printf_filtered
473 function in the callback table.
474 (sim_trace): Turn on debug flag if DEBUG was defined, and call
476 (sim_info): Print out statistics on instructions.
477 (sim_{trace,create_inferior}): Eliminate extraneous output unless
479 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
480 Only initialize the hash table the first time sim_open is called.
482 * Makefile.in: Make objects depend on d10v_sim.h.
483 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
484 CFLAGS does not override host/target defines or SIM_CFLAGS.
485 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
486 (run): By default, the math library is not needed to be linked
488 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
490 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
492 ({run,callback}.o): Provide explicit paths to their appropriate
494 (gencode{,.o},d10v-opc.o): Split compilation into creating object
495 and linking. Instead of linking in libopcodes.a, just compile
496 d10v-opc.o directly to handle canadian cross.
497 (CSEARCH): Add opcodes directory.
499 * configure.in (--enable-sim-cflags): New switch to allow user to
501 (CC_FOR_BUILD): Deal with canadian crosses.
502 * configure: Regenerate.
504 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
506 * simops.c: Include correct syscall.h for d10v, not host's.
509 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
511 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
512 Add trap 2 to be printf and trap 3 to be putchar.
514 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
516 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
517 for low-level system calls.
519 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
521 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
523 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
525 * d10v_sim.h (SEXT32): Added.
526 * interp.c: Commented out printfs.
527 * simops.c: Fixed error in sb and st2w.
529 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
531 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
532 DSP instructions. Added modulo addressing.
534 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
536 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
538 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
540 * d10v_sim.h, simops.c: Snapshot.
542 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
544 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
545 gencode.c, interp.c, simops.c: Created.