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