1 Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
3 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
4 updating the accumulators was overwriting other parts of the global
7 Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
9 * interp.c (bfd.h) Don't include it here any more.
10 (text{,_start,_end}): Move here from simops.c and make extern.
11 (decode_pc): New function to return the PC as an address that the
13 (dmem_addr): Print decoded PC in error message.
16 * simops.c (bfd.h) Don't include it here any more.
17 (text{,_start,_end}): Move to simops.c.
18 (trace_input_func): Move decoding of PC, and looking up .text
21 * d10v_sim.h (bfd.h): Include it here.
22 (text{,_start,_end}): Add external declarations.
26 Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
28 * interp.c (sim_size): Now allocates unified memory for imap segments
29 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
30 (sim_write): Just call xfer_mem().
31 (sim_read): Just call xfer_mem().
32 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
33 (dmem_addr): New function. Reads dmap register and translates data
34 addresses to local addresses.
35 (pc_addr): New function. Reads imap register and computes local address
36 corresponding to contents of the PC.
37 (sim_resume): Change to use pc_addr().
38 (sim_create_inferior): Change reinitialization code. Also reinitializes
40 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
41 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
43 * simops.c (MEMPTR): Redefine to use dmem_addr().
44 (OP_5F00): Replace references to STate.imem with dmem_addr().
46 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
47 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
48 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
50 Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
52 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
53 better statistics, like not counting NOPS as parallel
54 instructions, and printing total cycles.
55 (ins_type_counters): Make unsigned long.
56 (left_nops,right_nops): Fold into ins_type_counters.
58 * simops.c (trace_input_func): Print new instruction types.
59 Handle OP_R2R3 as input types.
60 (OP_{38000000,7000}): Correctly sign extend bytes.
61 (OP_5E00): Don't count NOPs as parallel instructions.
62 (OP_460B): Remove unused variable.
65 * interp.c (ins_type_counters): Make unsigned long.
66 (left_nops,right_nops): Delete.
67 (most functions): Add prototypes.
68 (INLINE): If GCC and optimize define as __inline__.
69 ({,lookup_}hash,get_operands): Declare as INLINE.
70 (do_parallel): Count conditional operations.
71 (add_commas): New function, to add commas every 3 digits.
72 (sim_size): Call add_commas to print numbers.
73 (sim_{open,resume}): Delete unused variables.
74 (sim_info): Provide better statistics.
75 (sim_read): Add int return type.
77 Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
79 * interp.c (sim_resume): Change the way single-stepping and exceptions
80 are handled so single-stepping works again.
82 Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
84 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
87 * configure.in (--enable-sim-bswap): New switch to enable using
88 the BSWAP instruction on x86's.
89 * configure: Regenerate.
91 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
94 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
96 * endian.c: New file. Move endian functions here from interp.c.
97 Optimize code, and make it work as either inline functions or as a
100 * interp.c: Move endian functions from here to endian.c.
102 * Makefile.in (INCLUDE): Add endian.c.
103 (run,libsim.a): Add dependency on endian.o.
104 (endian.o): Add dependency.
106 * d10v_sim.h (read/write support): Always go through the machine
107 independent endian functions. If compiling with GCC and
108 optimizing, include endian.c so the endian functions are inlined.
110 * simops.c (OP_5F00): Correct tracing of accumulators.
112 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
114 * simops.c (OP_5F00): Add support for getpid, kill system calls.
116 * interp.c (do_{2_short,parallel}): If an exception is raised,
117 don't execute the second instruction.
119 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
121 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
122 temporary in case the register is overriden when loading.
123 (OP_6200): Output type is OP_DREG for tracing.
125 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
127 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
129 * interp.c (sim_size): Initialize mem_{min,max} fields.
130 (sim_write): Update mem_{min,max} fields.
131 (sim_resume): If PC is not in the minimum/maximum memory range,
133 (sim_create_inferior): Preserve mem_{min,max} fields.
135 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
137 * simops.c (OP_5F00): Add support for time() system call.
139 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
141 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
143 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
146 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
148 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
149 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
150 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
151 to call/subroutine returns to trace the first two arguments and
152 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
154 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
156 * interp.c (sim_create_inferior): Reinitialize State every time
157 sim_create_inferior() is called.
159 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
161 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
163 (OP_401): Fix tracing information.
165 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
167 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
168 (trace_input_func): Use them.
169 (trace_input_func): Make sure there is a trailing space after the
171 (OP_6200): Fix tracing info.
173 * Makefile.in (run): Add dependencies on libbfd.a and
176 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
178 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
179 numbers and function names in debug trace.
180 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
182 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
183 and exit system call trap being executed.
185 * interp.c (sim_stop_reason): Set exit code correctly for stop
186 instruction and exit system call trap.
188 * configure.in (--enable-sim-cflags): Remove trace case.
189 (--enable-sim-debug): New switch to set the debug values.
190 * configure: Regenerate.
192 * simops.c (trace_{input,output}_func): Rename from
193 trace_{input,output}.
194 (trace_{input,output}): Call trace_{input,output}_func if
195 d10v_debug is non-zero.
196 (SIZE_INSTRUCTION): Cut down to 8.
197 (SIZE_OPERANDS): Cut down to 18.
198 (SIZE_LOCATION): New value for size of line number, function name
200 (init_text_p,text{,_start,_end}): New static variables for
201 printing line number and function name.
202 (exec_bfd): New external that run.c sets.
203 (trace_input_func): Print line number and function name if
204 available and if desired.
205 (OP_4E09): Don't print out DBT message.
206 (OP_5FE0): Set exception field to SIG_D10V_STOP.
207 (OP_5F00): Set exception field to SIG_D10V_EXIT.
209 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
211 * interp.c (do_2_short): If the instruction encodes jump->ins,
212 don't do the second instruction if the jump succeeds.
214 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
216 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
217 accumulators, PC, and F0/F1/C flags.
219 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
221 * simops.c (OP_5F00): Fix problems with system calls.
223 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
225 * simops.c (OP_5F00): Correct tracing information for trap.
227 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
229 * Makefile.in (CSEARCH): Correctly find opcodes directory.
231 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
233 * simops.c (trace_output): Properly align accumulator output.
234 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
235 if shift count is too high.
236 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
237 (OP_4E09): Make cpfg properly trace the input flags.
238 (op_types): Add OP_FLAG_OUTPUT.
239 (trace_{input,output}): Support OP_FLAG_OUTPUT.
240 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
241 an 8-bit memory reference instruction for tracing purposes.
242 (OP_201): Addi needs to set the carry.
244 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
246 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
247 to use signed register values.
249 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
251 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
253 (_ins_type): New enumeration to specify which container an
254 instruction is in, and whether it is part of a parallel operation.
255 (_state): Add ins_type field.
256 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
257 (ins_type_counters): Counters for the various instruction types.
258 ({left,right}_nops): Counters for the number of nops in each
260 (d10v_debug): New variable to indicate whether debugging is turned
263 * simops.c: (all functions): Change all #ifdef DEBUG code so that
264 the input and output values can be traced, along with the
265 instruction type. Make the -t option enable tracing.
266 (all functions): Change printf calls to use the printf_filtered
267 function in the callback table.
269 * interp.c (_leftright): New enumeration to say whether 2 short
270 instructions are done left first or right first.
271 (do_{long,2_short,parallel}): Indicate in the machine state which
272 type of instruction this is. Count each of the types of
273 instructions executed.
274 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
276 (sim_resume): Pass left/right indication to do_2_short.
277 (all functions): Change printf calls to use the printf_filtered
278 function in the callback table.
279 (sim_trace): Turn on debug flag if DEBUG was defined, and call
281 (sim_info): Print out statistics on instructions.
282 (sim_{trace,create_inferior}): Eliminate extraneous output unless
284 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
285 Only initialize the hash table the first time sim_open is called.
287 * Makefile.in: Make objects depend on d10v_sim.h.
288 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
289 CFLAGS does not override host/target defines or SIM_CFLAGS.
290 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
291 (run): By default, the math library is not needed to be linked
293 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
295 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
297 ({run,callback}.o): Provide explicit paths to their appropriate
299 (gencode{,.o},d10v-opc.o): Split compilation into creating object
300 and linking. Instead of linking in libopcodes.a, just compile
301 d10v-opc.o directly to handle canadian cross.
302 (CSEARCH): Add opcodes directory.
304 * configure.in (--enable-sim-cflags): New switch to allow user to
306 (CC_FOR_BUILD): Deal with canadian crosses.
307 * configure: Regenerate.
309 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
311 * simops.c: Include correct syscall.h for d10v, not host's.
314 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
316 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
317 Add trap 2 to be printf and trap 3 to be putchar.
319 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
321 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
322 for low-level system calls.
324 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
326 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
328 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
330 * d10v_sim.h (SEXT32): Added.
331 * interp.c: Commented out printfs.
332 * simops.c: Fixed error in sb and st2w.
334 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
336 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
337 DSP instructions. Added modulo addressing.
339 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
341 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
343 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
345 * d10v_sim.h, simops.c: Snapshot.
347 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
349 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
350 gencode.c, interp.c, simops.c: Created.