1 Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
3 * interp.c (sim_kill): Delete.
4 (sim_create_inferior): Add ABFD argument.
5 (sim_load): Move setting of PC from here.
6 (sim_create_inferior): To here.
7 (start_address): Delete variable.
9 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
11 * configure: Regenerated to track ../common/aclocal.m4 changes.
14 Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
16 * interp.c (sim_open): Add ABFD argument.
18 Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
20 * interp.c (sim_open): Add callback argument.
21 (sim_set_callbacks): Remove SIM_DESC argument.
23 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
25 * configure: Regenerated to track ../common/aclocal.m4 changes.
27 Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
29 * interp.c (sim_open): Undo patch to add -E support.
31 Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
33 * interp.c (sim_stop): New function.
35 Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
37 * Makefile.in (SIM_OBJS): Add sim-load.o.
38 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
39 * interp.c: #include bfd.h.
40 (myname, sim_kind, start_address): New static locals.
41 (prog_bfd_was_opened_p, prog_bfd): New static locals.
42 (decode_pc): Update to use prog_bfd.
43 (sim_open): Set sim_kind, myname. Ignore -E arg.
44 (sim_close): Close prog_bfd if simulator opened it.
45 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
46 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
47 Call sim_load_file to load file into simulator.
48 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
50 Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
52 * simops.c (OP_5F00): Only provide system calls SYS_execv,
53 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
55 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
57 * configure: Regenerated to track ../common/aclocal.m4 changes.
60 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
62 * interp.c (sim_open): New arg `kind'.
64 * configure: Regenerated to track ../common/aclocal.m4 changes.
66 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
68 * configure: Regenerated to track ../common/aclocal.m4 changes.
70 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
72 * configure: Re-generate.
74 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
76 * configure: Regenerate to track ../common/aclocal.m4 changes.
78 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
79 as trap 0, which will be deprecated. Only set errno, if an error
82 Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
84 * interp.c: Delete redundant prototypes of sim_foo fns.
85 (sim_open): New SIM_DESC result. Argument is now in argv form.
86 (other sim_*): New SIM_DESC argument.
88 Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
90 * simops.c (trace_{input,output}_func): Call flush_stdout from the
93 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
94 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
95 setting the carry bit after an add or a subtract.
97 Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
99 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
100 40 bits of accumulators. Sign/zero extend as appropriate.
102 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
104 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
105 COMMON_{PRE,POST}_CONFIG_FRAG instead.
106 * configure.in: sinclude ../common/aclocal.m4.
107 * configure: Regenerated.
109 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
111 * configure configure.in Makefile.in: Update to new configure
112 scheme which is more compatible with WinGDB builds.
113 * configure.in: Improve comment on how to run autoconf.
114 * configure: Re-run autoconf to get new ../common/aclocal.m4.
115 * Makefile.in: Use autoconf substitution to install common
118 Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
120 * gencode.c: patch to not #include "d10v_sim.h" which
121 unecessarily includes bfd.h and causes wingdb configure
124 Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
126 * interp.c (xfer_mem): Change unified memory to 0x0.
128 Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
130 * simops.c (OP_3E01): Fix tracing information.
131 (OP_300{0,1}): Do not propigate sign.
133 Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
135 * config.in (WORDS_BIGENDIAN): Add.
136 * configure: Regenerated.
137 * d10v_sim.h: #include "config.h"
139 Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
141 * gencode.c (write_opcodes): Eliminate warnings when generated
144 Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
146 * interp.c (sim_open): Cast result of calloc, and make sure NULL
148 (dmem_addr): If address is illegal or in I/O space, signal a bus
150 (pc_addr): Signal bus error, not illegal instruction for bogus
153 Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
155 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
156 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
157 * configure.in: Simplify using macros in ../common/aclocal.m4.
158 Call AC_CHECK_HEADERS(unistd.h).
159 * configure: Regenerated.
160 * config.in: New file.
161 * interp.c: #include "callback.h".
162 * simops.c: #include "config.h". #include <unistd.h> if present.
164 Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
166 * d10v-sim.h (simops): Add flag is_long.
167 (State): Add pc_changed. Instructions which update the PC should
168 use the JMP macro which sets this.
169 (JMP): New macro. Sets the PC and the pc_changed flag.
171 * gencode.c (write_opcodes): Add is_long field.
173 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
174 to a long opcode we could get a false match. Check the opcode size.
175 (hash): Add a size field to the hash table.
176 (sim_open): Initialize size field in hash table.
177 (sim_resume): Change to logic for setting the PC. Used to increment the
178 PC if it had not been changed. This didn't allow single-instruction loops.
179 Now checks the flag State.pc_changed. Also now stops when ^C is received.
180 (dmem_addr): Fix translation of data segments to unified memory.
181 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
183 * simops.c: Changed all branch and jump instructions to use new JMP macro.
184 (OP_20000000): Corrected trace information to show this is a ldi.l, not
187 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
189 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
190 updating the accumulators was overwriting other parts of the global
193 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
195 * interp.c (bfd.h) Don't include it here any more.
196 (text{,_start,_end}): Move here from simops.c and make extern.
197 (decode_pc): New function to return the PC as an address that the
199 (dmem_addr): Print decoded PC in error message.
202 * simops.c (bfd.h) Don't include it here any more.
203 (text{,_start,_end}): Move to simops.c.
204 (trace_input_func): Move decoding of PC, and looking up .text
207 * d10v_sim.h (bfd.h): Include it here.
208 (text{,_start,_end}): Add external declarations.
212 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
214 * interp.c (sim_size): Now allocates unified memory for imap segments
215 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
216 (sim_write): Just call xfer_mem().
217 (sim_read): Just call xfer_mem().
218 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
219 (dmem_addr): New function. Reads dmap register and translates data
220 addresses to local addresses.
221 (pc_addr): New function. Reads imap register and computes local address
222 corresponding to contents of the PC.
223 (sim_resume): Change to use pc_addr().
224 (sim_create_inferior): Change reinitialization code. Also reinitializes
226 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
227 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
229 * simops.c (MEMPTR): Redefine to use dmem_addr().
230 (OP_5F00): Replace references to STate.imem with dmem_addr().
232 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
233 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
234 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
236 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
238 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
239 better statistics, like not counting NOPS as parallel
240 instructions, and printing total cycles.
241 (ins_type_counters): Make unsigned long.
242 (left_nops,right_nops): Fold into ins_type_counters.
244 * simops.c (trace_input_func): Print new instruction types.
245 Handle OP_R2R3 as input types.
246 (OP_{38000000,7000}): Correctly sign extend bytes.
247 (OP_5E00): Don't count NOPs as parallel instructions.
248 (OP_460B): Remove unused variable.
251 * interp.c (ins_type_counters): Make unsigned long.
252 (left_nops,right_nops): Delete.
253 (most functions): Add prototypes.
254 (INLINE): If GCC and optimize define as __inline__.
255 ({,lookup_}hash,get_operands): Declare as INLINE.
256 (do_parallel): Count conditional operations.
257 (add_commas): New function, to add commas every 3 digits.
258 (sim_size): Call add_commas to print numbers.
259 (sim_{open,resume}): Delete unused variables.
260 (sim_info): Provide better statistics.
261 (sim_read): Add int return type.
263 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
265 * interp.c (sim_resume): Change the way single-stepping and exceptions
266 are handled so single-stepping works again.
268 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
270 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
273 * configure.in (--enable-sim-bswap): New switch to enable using
274 the BSWAP instruction on x86's.
275 * configure: Regenerate.
277 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
280 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
282 * endian.c: New file. Move endian functions here from interp.c.
283 Optimize code, and make it work as either inline functions or as a
286 * interp.c: Move endian functions from here to endian.c.
288 * Makefile.in (INCLUDE): Add endian.c.
289 (run,libsim.a): Add dependency on endian.o.
290 (endian.o): Add dependency.
292 * d10v_sim.h (read/write support): Always go through the machine
293 independent endian functions. If compiling with GCC and
294 optimizing, include endian.c so the endian functions are inlined.
296 * simops.c (OP_5F00): Correct tracing of accumulators.
298 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
300 * simops.c (OP_5F00): Add support for getpid, kill system calls.
302 * interp.c (do_{2_short,parallel}): If an exception is raised,
303 don't execute the second instruction.
305 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
307 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
308 temporary in case the register is overriden when loading.
309 (OP_6200): Output type is OP_DREG for tracing.
311 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
313 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
315 * interp.c (sim_size): Initialize mem_{min,max} fields.
316 (sim_write): Update mem_{min,max} fields.
317 (sim_resume): If PC is not in the minimum/maximum memory range,
319 (sim_create_inferior): Preserve mem_{min,max} fields.
321 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
323 * simops.c (OP_5F00): Add support for time() system call.
325 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
327 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
329 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
332 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
334 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
335 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
336 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
337 to call/subroutine returns to trace the first two arguments and
338 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
340 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
342 * interp.c (sim_create_inferior): Reinitialize State every time
343 sim_create_inferior() is called.
345 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
347 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
349 (OP_401): Fix tracing information.
351 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
353 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
354 (trace_input_func): Use them.
355 (trace_input_func): Make sure there is a trailing space after the
357 (OP_6200): Fix tracing info.
359 * Makefile.in (run): Add dependencies on libbfd.a and
362 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
364 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
365 numbers and function names in debug trace.
366 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
368 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
369 and exit system call trap being executed.
371 * interp.c (sim_stop_reason): Set exit code correctly for stop
372 instruction and exit system call trap.
374 * configure.in (--enable-sim-cflags): Remove trace case.
375 (--enable-sim-debug): New switch to set the debug values.
376 * configure: Regenerate.
378 * simops.c (trace_{input,output}_func): Rename from
379 trace_{input,output}.
380 (trace_{input,output}): Call trace_{input,output}_func if
381 d10v_debug is non-zero.
382 (SIZE_INSTRUCTION): Cut down to 8.
383 (SIZE_OPERANDS): Cut down to 18.
384 (SIZE_LOCATION): New value for size of line number, function name
386 (init_text_p,text{,_start,_end}): New static variables for
387 printing line number and function name.
388 (exec_bfd): New external that run.c sets.
389 (trace_input_func): Print line number and function name if
390 available and if desired.
391 (OP_4E09): Don't print out DBT message.
392 (OP_5FE0): Set exception field to SIG_D10V_STOP.
393 (OP_5F00): Set exception field to SIG_D10V_EXIT.
395 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
397 * interp.c (do_2_short): If the instruction encodes jump->ins,
398 don't do the second instruction if the jump succeeds.
400 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
402 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
403 accumulators, PC, and F0/F1/C flags.
405 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
407 * simops.c (OP_5F00): Fix problems with system calls.
409 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
411 * simops.c (OP_5F00): Correct tracing information for trap.
413 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
415 * Makefile.in (CSEARCH): Correctly find opcodes directory.
417 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
419 * simops.c (trace_output): Properly align accumulator output.
420 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
421 if shift count is too high.
422 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
423 (OP_4E09): Make cpfg properly trace the input flags.
424 (op_types): Add OP_FLAG_OUTPUT.
425 (trace_{input,output}): Support OP_FLAG_OUTPUT.
426 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
427 an 8-bit memory reference instruction for tracing purposes.
428 (OP_201): Addi needs to set the carry.
430 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
432 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
433 to use signed register values.
435 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
437 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
439 (_ins_type): New enumeration to specify which container an
440 instruction is in, and whether it is part of a parallel operation.
441 (_state): Add ins_type field.
442 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
443 (ins_type_counters): Counters for the various instruction types.
444 ({left,right}_nops): Counters for the number of nops in each
446 (d10v_debug): New variable to indicate whether debugging is turned
449 * simops.c: (all functions): Change all #ifdef DEBUG code so that
450 the input and output values can be traced, along with the
451 instruction type. Make the -t option enable tracing.
452 (all functions): Change printf calls to use the printf_filtered
453 function in the callback table.
455 * interp.c (_leftright): New enumeration to say whether 2 short
456 instructions are done left first or right first.
457 (do_{long,2_short,parallel}): Indicate in the machine state which
458 type of instruction this is. Count each of the types of
459 instructions executed.
460 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
462 (sim_resume): Pass left/right indication to do_2_short.
463 (all functions): Change printf calls to use the printf_filtered
464 function in the callback table.
465 (sim_trace): Turn on debug flag if DEBUG was defined, and call
467 (sim_info): Print out statistics on instructions.
468 (sim_{trace,create_inferior}): Eliminate extraneous output unless
470 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
471 Only initialize the hash table the first time sim_open is called.
473 * Makefile.in: Make objects depend on d10v_sim.h.
474 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
475 CFLAGS does not override host/target defines or SIM_CFLAGS.
476 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
477 (run): By default, the math library is not needed to be linked
479 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
481 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
483 ({run,callback}.o): Provide explicit paths to their appropriate
485 (gencode{,.o},d10v-opc.o): Split compilation into creating object
486 and linking. Instead of linking in libopcodes.a, just compile
487 d10v-opc.o directly to handle canadian cross.
488 (CSEARCH): Add opcodes directory.
490 * configure.in (--enable-sim-cflags): New switch to allow user to
492 (CC_FOR_BUILD): Deal with canadian crosses.
493 * configure: Regenerate.
495 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
497 * simops.c: Include correct syscall.h for d10v, not host's.
500 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
502 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
503 Add trap 2 to be printf and trap 3 to be putchar.
505 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
507 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
508 for low-level system calls.
510 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
512 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
514 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
516 * d10v_sim.h (SEXT32): Added.
517 * interp.c: Commented out printfs.
518 * simops.c: Fixed error in sb and st2w.
520 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
522 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
523 DSP instructions. Added modulo addressing.
525 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
527 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
529 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
531 * d10v_sim.h, simops.c: Snapshot.
533 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
535 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
536 gencode.c, interp.c, simops.c: Created.