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