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