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