1 1999-05-08 Felix Lee <flee@cygnus.com>
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
5 1999-03-16 Martin Hunt <hunt@cygnus.com>
6 From Frank Ch. Eigler <fche@cygnus.com>
8 * cpu.h (mvtsys_left_p): New flag for MVTSYS instruction history.
9 * d30v-insns (mvtsys): Set this flag instead of left_kills_right_p.
10 (do_sath): Detect MVTSYS by new flag.
11 * engine.c (unqueue_writes): Detect MVTSYS by new flag.
12 (do_2_short, do_parallel): Initialize new flag.
14 1999-02-26 Frank Ch. Eigler <fche@cygnus.com>
16 * tconfig.in (SIM_HANDLES_LMA): Make it so.
18 1999-01-12 Frank Ch. Eigler <fche@cygnus.com>
20 * engine.c (unqueue_writes): Make PSW conflict resolution code
21 conditional - disable it for MVTSYS || insn case.
23 1999-01-11 Frank Ch. Eigler <fche@cygnus.com>
25 * d30v-insns (do_sath): Drain PSW write queue before PSW_S_FLAG
27 * engine.c (unqueue_writes): Make non-static. Remove PSW_V/VA
29 (do_parallel): Don't drain PSW write queue for MVTSYS || insn.
31 1999-01-07 Frank Ch. Eigler <fche@cygnus.com>
33 * d30v-insns (do_ld2h): Sign-extend loaded half-words.
35 1999-01-05 Frank Ch. Eigler <fche@cygnus.com>
37 * d30v-insns (do_ld2h): Read memory in word units.
38 (do_ld4bh): Ditto. Correct sign extension.
40 (do_st2h): Write memory in word units.
42 (st4hb): Correct mnemonic in igen template.
44 1998-12-08 Frank Ch. Eigler <fche@cygnus.com>
46 * d30v-insns: (do_ld2h): Don't update R0 nor R1 for double-word insn.
52 1998-12-03 Frank Ch. Eigler <fche@cygnus.com>
54 * d30v-insns (do_repeat): Don't set RP for repeat count 1.
56 1998-12-03 Frank Ch. Eigler <fche@cygnus.com>
58 * d30v-insns (do_src): Treat shift count -32 naturally instead of
59 producing zero result.
61 1998-11-22 Frank Ch. Eigler <fche@cygnus.com>
63 * d30v-insns (do_src): Limit SRC shift count to -32 .. 31.
65 1998-11-16 Frank Ch. Eigler <fche@cygnus.com>
67 * d30v-insns (dbt): Defer PSW/DPSW update with new DID_TRAP code 2.
68 * engine.c (unqueue_writes): Perform DBT processing on PSW/DPSW here.
70 1998-11-12 Frank Ch. Eigler <fche@cygnus.com>
72 * cpu.h (_sim_cpu): Removed is_delayed_call field, and associated
74 * sim-calls.c (sim_create_inferior): Don't initialize is_delayed_call.
75 * d30v-insns (do_dbra): Don't clear RPT_IS_CALL. (do_dbrai): Ditto.
76 (do_djmp): Ditto. (do_djmpi): Ditto. (do_repeat): Ditto.
77 * d30v-insns (do_dbsr): Don't set RPT_IS_CALL, but set R62 instead.
78 (do_dbsri): Ditto. (do_djsr): Dito. (do_djsri): Ditto.
79 * engine.c (sim_engine_run): Remove conditional setting of R62 based
82 1998-11-08 Frank Ch. Eigler <fche@cygnus.com>
84 * sim-calls.c (sim_open): Add dummy memory range over control
85 register region (0x40000000..0x4000FFFF).
87 1998-11-06 Frank Ch. Eigler <fche@cygnus.com>
89 * d30v-insns (do_mvfacc): Use loop to limit shift count to 63 .. 0.
91 Tue Oct 13 11:01:16 1998 Frank Ch. Eigler <fche@cygnus.com>
93 * d30v-insns (do_sra,do_srah,do_srl,do_srlh): Make shift
94 count -32 to produce zero result.
95 (do_src): Ditto for shift count == -64.
97 Mon Oct 12 23:04:11 1998 Frank Ch. Eigler <fche@cygnus.com>
99 * d30v-insns (ROT): Use 0x1f bit mask for rotate count masking.
100 (do_sra,do_srl): Use loop to limit shift count to -32 .. 31.
101 (do_srah,do_srlh): Use loop to limit shift count to -32 .. 31.
102 (sra2h,srl2h): Use loop to limit shift count to -16 .. 15.
103 (do_src): Use loop to limit shift count to -64 .. 63.
105 Fri Oct 9 16:46:52 1998 Doug Evans <devans@canuck.cygnus.com>
107 * sim-calls.c (get_insn_name): New fn.
108 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
109 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
111 Mon Sep 28 10:43:28 1998 Frank Ch. Eigler <fche@cygnus.com>
113 * d30v-insns (do_sra,do_srah,do_srl,do_srlh,ROT,do_src): Use
114 correct MSB bit numbers for sign extension masks.
116 Fri Sep 25 17:32:27 1998 Frank Ch. Eigler <fche@cygnus.com>
118 * engine.c (do_parallel): Unqueue writes if MU instruction was
119 a MVTSYS, as identified by its left_kills_right_p side-effect.
121 Fri Sep 25 12:31:34 1998 Frank Ch. Eigler <fche@cygnus.com>
123 * d30v-insns (do_sra,do_srah,do_srl,do_srlh,ROT,do_src): Mask
124 shift/rotate counts to number of bits in width of operand; no
125 longer saturate at maxima.
127 Tue Jul 14 18:39:23 1998 Frank Ch. Eigler <fche@cygnus.com>
129 * cpu.h (left_kills_right_p): New flag for non-branch instructions
130 that, when executed in left slot of a -> sequential pair, kill the
132 * d30v-insns (mvtsys): Set flag for PSW/PSWh/PSWl/FLAG operands.
133 * engine.c (do_2_short): Respect flag.
135 Thu Jun 4 16:48:58 1998 David Taylor <taylor@texas.cygnus.com>
137 * d30v-insns (do_trap): don't save the bPSW and PSW based on
138 current values because an instruction done in parallel with
139 the trap might change them, instead set a flag do that
140 unqueue_writes will take care of it.
141 * engine.c (unqueue_writes): finish trap handling
142 * cpu.h (_sim_cpu): add new field did_trap and a macro DID_TRAP
143 to make use of it; set by do_trap, tested and cleared by
146 Tue May 19 16:07:04 1998 Frank Ch. Eigler <fche@cygnus.com>
148 * engine.c (unqueue_writes): Suppress the all enqueued writes to
149 the same flags in PSW except the last.
151 Fri May 15 11:38:59 1998 Frank Ch. Eigler <fche@cygnus.com>
153 * d30v-insns (RETI): Correct instruction spelling to "reit".
155 Thu May 14 09:34:20 1998 Frank Ch. Eigler <fche@cygnus.com>
157 * d30v-insns (dbt): Handle DBT at end of repeat block.
158 (do_trap, dbt): Clear PSW_RP if at end of repeat block.
160 Thu May 14 07:41:41 1998 Frank Ch. Eigler <fche@cygnus.com>
162 * engine.c (sim_engine_run): Trigger DDBT based on previous PC,
165 Wed May 13 11:03:40 1998 Frank Ch. Eigler <fche@cygnus.com>
167 * engine.c (sim_engine_run): Move DDBT handling after instruction
168 decode/execute stage.
170 Tue May 12 12:14:53 1998 Frank Ch. Eigler <fche@cygnus.com>
172 * d30v-insns (do_sat*): Correct "saturate to 0 bits" patch to
173 properly handle negative saturation inputs.
175 Tue May 12 11:11:26 1998 Frank Ch. Eigler <fche@cygnus.com>
177 * engine.c (sim_engine_run): Decrement RPT_C only under more
178 restricted conditions.
180 Mon May 11 17:33:46 1998 Frank Ch. Eigler <fche@cygnus.com>
182 * d30v-insns (do_sat*): Make "saturate to 0 bits" pass through data
185 Mon May 11 16:27:04 1998 Frank Ch. Eigler <fche@cygnus.com>
187 * engine.c (sim_engine_run): Implement DDBT (debugger debug trap)
190 Fri May 8 16:44:19 1998 Frank Ch. Eigler <fche@cygnus.com>
192 * d30v-insns (do_trap): Set bPC to RPT_S if trap is last
193 instruction in repeat block.
194 (bsr*/jsr*): Set R62 (LINK) to RPT_S if subroutine branch
195 is last instruction in repeat block.
197 Fri May 8 11:06:50 1998 Frank Ch. Eigler <fche@cygnus.com>
199 * d30v-insns (do_sath): Query/update F4/PSW_S using proper flag
201 * cpu.h (PSW_S_FLAG): New flag number for PSW_S status bit.
203 Wed May 6 19:40:56 1998 Doug Evans <devans@canuck.cygnus.com>
205 * sim-main.h (INSN_NAME): New arg `cpu'.
207 Fri May 1 14:24:30 1998 Andrew Cagney <cagney@b1.cygnus.com>
209 * d30v-insns: Fix parameter list to sim_engine_abort.
211 Thu Apr 30 14:28:00 1998 Fred Fish <fnf@cygnus.com>
213 * d30v-insns (do_sath): Add additional argument that determines
214 whether or not the F4 (PSW_S) bit in the PSW is updated.
215 (SAT2H): Do not update PSW_S bit.
216 (SATHp): Do update PSW_S bit.
218 Tue Apr 28 23:36:00 1998 Fred Fish <fnf@cygnus.com>
220 * d30v-insns (SRAHp, SRLHp): Immediate values are signed 6 bit
221 values, not 5 bit values.
223 Wed Apr 29 12:57:55 1998 Frank Ch. Eigler <fche@cygnus.com>
225 * d30v-insns (do_incr): Check modular arithmetic limits after
226 postincrement/postdecrement, rather than before, to match
227 erroneous hardware behavior.
229 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
231 * configure: Regenerated to track ../common/aclocal.m4 changes.
233 Mon Apr 27 19:42:00 1998 Fred Fish <fnf@cygnus.com>
235 * d30v-insns (do_trap): Clear all bits in PSW except SM and DB.
237 Mon Apr 27 14:55:00 1998 Fred Fish <fnf@cygnus.com>
239 * d30v-insns (do_mulx2h): Low order results go in ra+1, high
242 Mon Apr 27 14:42:00 1998 Fred Fish <fnf@cygnus.com>
244 * d30v-insns (do_mulx2h): Rewrite to do proper 32 bit signed
245 multiply of high and low fields from operands.
247 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
249 * configure: Regenerated to track ../common/aclocal.m4 changes.
252 Sun Apr 26 15:20:20 1998 Tom Tromey <tromey@cygnus.com>
254 * acconfig.h: New file.
255 * configure.in: Reverted change of Apr 24; use sinclude again.
257 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
259 * configure: Regenerated to track ../common/aclocal.m4 changes.
262 Fri Apr 24 11:20:00 1998 Tom Tromey <tromey@cygnus.com>
264 * configure.in: Don't call sinclude.
266 Wed Apr 22 21:23:00 1998 Fred Fish <fnf@cygnus.com>
268 * ic-d30v (RbU, RcU): Unsigned versions of Rb and Rc.
269 * d30v-insns (MVTACC): Use new RbU and RcU macros.
271 Wed Apr 22 20:52:00 1998 Fred Fish <fnf@cygnus.com>
273 * ic-d30v (RbHU,RbLU): Unsigned versions of RbH and RbL.
274 * d30v-insns (SRL2H): Use new RbHU and RbLU macros instead of
277 Mon Apr 13 16:59:00 1998 Fred Fish <fnf@cygnus.com>
279 * d30v-insns (do_srl): Avoid undefined behavior of host compiler
280 when shifting left by more than 31 bits.
282 Tue Apr 7 18:09:00 1998 Fred Fish <fnf@cygnus.com>
284 * engine.c (sim_engine_run): Remove at_loop_end variable. Add
285 rp_was_set and rpt_c_was_nonzero variables. Major restructuring of
286 code before and after instruction execution to properly handle state
287 of the RP bit in the PSW, the value in RPT_C, and other loop related
290 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
292 * configure: Regenerated to track ../common/aclocal.m4 changes.
294 Fri Apr 3 15:26:00 1998 Fred Fish <fnf@cygnus.com>
296 * d30v-insns (do_trap): Use offset from EIT_VB rather than hardcoded
297 BASE_ADDRESS constant.
298 * cpu.h (BASE_ADDRESS): Remove constant not used any longer.
300 Fri Apr 3 14:42:00 1998 Fred Fish <fnf@cygnus.com>
302 * cpu.h (EIT_VB): Define macro to access EIT_VB register.
303 (EIT_VB_DEFAULT): Define value of EIT_VB register after reset.
304 * sim-calls.c (sim_create_inferior): Set EIT_VB to EIT_VB_DEFAULT.
306 Tue Mar 31 19:00:00 1998 Fred Fish <fnf@cygnus.com>
308 * d30v-insns (do_dbrai): RPT_S is cia plus pcdisp rather than
311 Mon Mar 30 20:30:00 1998 Fred Fish <fnf@cygnus.com>
313 * engine.c (sim_engine_run): Add at_loop_end. Rework end of loop
314 code to use this to both reset PSW_RP when needed and to set PC
315 to RPT_S for another pass through the loop.
317 Mon Mar 30 16:12:00 1998 Fred Fish <fnf@cygnus.com>
319 * engine.c (sim_engine_run): Change code that handles RPT_* regs
320 and PSW_RP bit in PSW so that PSW_RP is always set while executing
321 the loop and loop terminates upon completion of the pass for which
322 RPT_C is zero. More closely follow logic in architecture manual.
324 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
326 * configure: Regenerated to track ../common/aclocal.m4 changes.
328 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
330 * configure: Regenerated to track ../common/aclocal.m4 changes.
332 Thu Mar 19 00:25:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
334 * sim-calls.c (sim_open): Move memory-region commands back to
335 before the call to sim_parse_args.
336 (d30v_option_handler): Implement extmem-size option using
337 memory-delete and memory-region commands.
339 * sim-calls.c (d30v_option_handler): Use ANSI-C argument list,
340 correct number and type of arguments.
342 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
344 * configure: Regenerated to track ../common/aclocal.m4 changes.
346 Wed Mar 11 13:56:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
348 * alu.h (IMEM, MEM, STORE): Replace sim_core_*_map with exec_map,
349 read_map and write_map resp.
351 * cpu.c (d30v_read_mem, d30v_write_mem): Ditto.
353 Mon Mar 2 13:34:08 1998 Fred Fish <fnf@cygnus.com>
355 * d30v-insns (do_repeat): Abort repeat instructions that have
356 a repeat count of zero.
358 Fri Feb 27 18:44:12 1998 Doug Evans <devans@canuck.cygnus.com>
360 * sim-calls.c (sim_open): Update call to sim_add_option_table.
362 Thu Feb 26 18:34:31 1998 Andrew Cagney <cagney@b1.cygnus.com>
364 * sim-calls.c (sim_info): Delete.
366 Wed Feb 25 14:44:58 1998 Michael Meissner <meissner@cygnus.com>
368 * d30v-insns (mvtsys): If moving to EIT_VB register, and with
369 valid bits. Optimize code somewhat.
371 * cpu.h (eit_vector_base_cr): New CR we need to special case.
372 (EIT_VALID): Valid bits for EIT_VB register.
374 * d30v-insns (mv{f,t}sys): When moving to/from PSWH, the value is
375 in the low 16 bits of the register.
377 * d30v-insns (do_sra): Use a common WRITE32_QUEUE to write back
379 (do_sr{a,l}h): Do shift in 32 bits, only truncate when writing
380 result back to the registers.
382 Tue Feb 24 18:09:52 1998 Fred Fish <fnf@cygnus.com>
384 * Makefile.in (tmp-igen): Use -G gen-zero-r0 option to force
385 r0 to always be zero.
386 * cpu.h (GPR_SET): Define.
388 Tue Feb 24 14:12:57 1998 Michael Meissner <meissner@cygnus.com>
390 * d30v-insns (do_sath): Do saturation in 32 bits, before
392 (sat{,2h,z,hp}): Use imm_5, not imm to get proper zero extend.
393 (do_sath_p): Delete, no longer used.
394 (sathp): Call do_sath, not do_sath_p.
396 Mon Feb 23 15:55:14 1998 Michael Meissner <meissner@cygnus.com>
398 * d30v-insns (illegal,wrong_slot): Print \n after PC and before we
399 call sim_engine_halt.
400 (sr{a,l}hp): Implement missing instructions.
401 (do_trap): Print high order PSW bits in human readable fashion.
402 (do_{dbra{,i},dbsr{,i},djmp{,i},djsr{,i},repeat}): Set PSW bit RP.
404 * alu.h (PSW_SET_QUEUE): New macro to set PSW bits.
406 * engine.c (sim_engine_run): Check for RP bit being set, not RPT_C
407 being > 0. If RPT_C is decremented to 0, clear PSW RP bit.
409 Fri Feb 20 10:13:34 1998 Fred Fish <fnf@cygnus.com>
411 * cpu.h (BASE_ADDRESS): Change from 0xfffff000 to 0xfffff020.
413 Tue Feb 17 12:39:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
415 * sim-calls.c (sim_store_register, sim_fetch_register): Pass in
416 length parameter. Return -1.
418 Fri Feb 6 17:39:54 1998 Michael Meissner <meissner@cygnus.com>
420 * d30v-insns (do_dbrai): Correct typo, use shift, not comparison.
422 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
424 * configure: Regenerated to track ../common/aclocal.m4 changes.
426 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
428 * configure: Regenerated to track ../common/aclocal.m4 changes.
430 Fri Jan 30 08:29:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
432 * engine.c (sim_engine_run): Add parameter nr_cpus.
434 Fri Jan 30 17:09:37 1998 Michael Meissner <meissner@cygnus.com>
436 * d30v-insns (jsrtzr): Check for register == 0, not != 0.
438 Wed Jan 21 17:52:04 1998 Andrew Cagney <cagney@b1.cygnus.com>
440 * engine.c (do_stack_swap): Make type of new_sp unsigned.
442 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
444 * configure: Regenerated to track ../common/aclocal.m4 changes.
446 Mon Jan 5 16:04:17 1998 Andrew Cagney <cagney@sanguine.cygnus.com>
448 * sim-calls.c (sim_info): Call profile_print.
450 * sim-main.h: Enable instruction profiling.
452 Thu Dec 18 12:21:38 1997 Michael Meissner <meissner@cygnus.com>
454 * alu.h (ALU{16,32}_END): Change setting PSW to only set the carry
455 and overflow bits. Don't look at the current value of PSW.
456 (PSW_FLAG_SET_QUEUE): Only queue up setting the particular bit in
457 question. Don't look at the current value of PSW.
459 * d30v-insns: All instructions that set the PSW, will only queue
460 up the particular bits in question that were set by the
461 instruction. Don't look at the current value of PSW.
463 Wed Dec 17 11:41:44 1997 Michael Meissner <meissner@cygnus.com>
465 * cpu.h (PSW_VALID): Allow EA/DB to be set in the PSW.
466 (DPSW_VALID): Like PSW_VALID, but it allows the DS bit to be set.
468 * engine.c (trace_alu32): When changing BPSW/DPSW, print the
471 * d30v-insns (do_cmp_cc): Fix cmpps and cmpng.
472 (do_cmp{,u}_cc): Print which cc value was used if not in switch
474 (do_cmpu_cc): Remove illegal cases CMPU{EQ,NE,PS,NG}.
475 (mvtsys): When setting BPSW or DPSW, and with DPSW_VALID.
477 Tue Dec 16 18:17:26 1997 Michael Meissner <meissner@cygnus.com>
479 * d30v-insns (mulx2h): Add missing instruction. Complain if
480 register is not even.
481 (do_{add,sub}h_ppp): Get correct high/low values. Also correctly
482 handle short immediates.
483 (do_ld{2w,4bh}): Don't load r0 if ra == 0.
485 * engine.c (d30v_interrupt_event): Remove unused variable
486 (unqueue_writes): Ditto.
488 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
490 * configure: Regenerated to track ../common/aclocal.m4 changes.
493 Sat Dec 13 23:40:17 1997 Michael Meissner <meissner@cygnus.com>
495 * cpu.h (_write{32,64}): New structures for keeping track of
496 queued writes to registers.
497 (_sim_cpu): Add _write{32,64} structures. Make is_delayed_call
499 (WRITE{32,64}*): New macros for queueing up writes to registers.
501 * alu.h (ALU16_END): Take field that says whether we are setting
502 the high or low half word. Queue up changes to registers.
503 (ALU32_END): Queue up changes to registers.
504 (PSW_FLAG_SET_QUEUE): Like PSW_FLAG_SET, except queues it up.
506 * sim-main.h (do_stack_swap): Remove declaration.
508 * engine.c (do_stack_swap): Make static.
509 (unqueue_writes): New function to unqueue all changes to 32 and 64
510 bit registers in order. Implement --trace-alu. Reset high water
511 marks for # of queued registers. If PSW changed, possibly update
513 (do_{long,2_short,parallel}): Unqueue register writes at the
516 * d30v-insns: Modify all insns to queue changes to registers,
517 rather than do them immediately so that parallel instructions get
518 the right values for inputs. Rewrite 16 bit operations to be done
519 in terms of masked 32 bit registers. Don't call do_stack_swap any
522 Thu Dec 11 10:06:02 1997 Michael Meissner <meissner@cygnus.com>
524 * sim-calls.c (d30v_option_handler): Add support for --extmem-size
525 to size external memory.
526 (sim_open): Ditto. Default if no --extmem-size option is 8 meg.
528 Wed Dec 10 01:08:24 1997 Jim Blandy <jimb@zwingli.cygnus.com>
530 * d30v-insns (do_rot2h): Clip rotate amounts to four bits. The
531 upper bits, and the sign of the rotation amount, are red herrings.
532 (do_sra, do_srl): Handle shifts greater than 32 bits.
533 (do_srah, do_sral): Properly sign-extend value and shift amount.
534 Handle shifts larger than 16 bits.
536 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
538 * configure: Regenerated to track ../common/aclocal.m4 changes.
540 Mon Dec 1 15:10:44 1997 Michael Meissner <meissner@cygnus.com>
542 * d30v-insns (do_sub2h): For short instruction, correctly
543 dupplicate lower 16 bits of immediate in upper 16 bits.
544 (sat2z): Fix typo that ignored the upper half of the register.
545 (do_satz): If < 0, set *ra to 0, if not call do_sat.
546 (mvtsys): Before setting PSW, and with PSW_VALID.
548 * cpu.h (PSW_VALID): Mask for bits in PSW that is valid.
550 Mon Dec 1 15:05:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
552 * d30v-insns (do_trap): Pacify GCC - correct type of %ld arg in
553 printf, return dummy at end.
555 Mon Dec 1 15:05:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
557 * d30v-insns (do_add, do_addh_ppp, do_adds): Replace ALU_ADD with
559 (do_addc): Replace ALU_SET_CARRY / ALU_ADD_CA with ALU_ADDC_C.
560 (do_sub, do_subh_ppp): Replace ALU_SUB with ALU_SUBB.
561 (do_subb): Replace ALU_SET_CARRY / ALU_SUB_CA with ALU_SUBB_B.
563 * alu.h (ALU16_END): Use ALU16_HAD_CARRY_BORROW instead of
567 * sim-main.h (string.h, strings.h): Include.
569 * sim-calls.c: Delete inclusion of string.h and strings.h.
571 Sun Nov 30 17:29:25 1997 Michael Meissner <meissner@cygnus.com>
573 * configure.in (--enable-sim-trapdump): New switch to control
574 whether traps 0..30 dump out the registers or do the real trap.
575 * configure: Regenerate.
577 * Makefile.in (SIM_EXTRA_CLFAGS): Add -DTRAPDUMP={0,1} if
578 appropriate --{en,dis}able-sim-trapdump is done.
580 * sim-calls.c (OPTION_TRACE_CALL): Rename from OPTION_CALL_TRACE.
581 (OPTION_TRACE_TRAPDUMP): New option for --trace-trapdump.
582 (d30v_option_handler): Add support for --trace-trapdump.
583 (d30v_options): Ditto.
586 * d30v-insns (do_trap): Do register dump if --trace-trapdump and
587 not the system call trap. Remove support for calling old function
590 Sat Nov 29 18:54:55 1997 Michael Meissner <meissner@cygnus.com>
592 * cpu.h (_sim_cpu): Add trace_call_p, trace_action fields.
593 (TRACE_CALL_P): Non-zero if --trace-call.
594 (TRACE_ACTION): Non-zero if there is a tracing action at the end
595 of processing an instruction boundary.
596 (TRACE_ACTION_{CALL,RETURN}): Bits to say trace call & return.
597 (d30v_next_insn): Delete, now trace_action field in cpu state.
599 * cpu.c (d30v_next_insn): Delete, now trace_action field in cpu
601 (return_occurred): Minimum saved register to check is now 34.
603 * engine.c (sim_engine_run): Change call tracing to use
604 trace_action field in cpu state.
606 * sim-calls.c (d30v_option_handler): Handle d30v specific options.
607 (d30v_options): D30V specific options. Right now, --trace-call.
608 (sim_open): Register d30v specific options.
610 * d30v-insns (call, return insns): Move --trace-debug call/return
611 tracing action to d30v specific --trace-call option.
613 Fri Nov 28 20:12:48 1997 Michael Meissner <meissner@cygnus.com>
615 * cpu.h (CREG): Rename from CR.
617 * d30v-insns (do_{addc,subb}): Explicitly import the carry bit.
618 (do_trap): Use CREG, not CR. Switch to using cb_syscall.
620 Thu Nov 27 19:25:43 1997 Michael Meissner <meissner@cygnus.com>
622 * cpu.h (ACC): Define as short cut to accumulators.
624 * d30v-insns (do_rot): Delete explicit function, use ROT32 to do
626 (do_trap): Make trap 30 print out accumulators and first 16
627 control registers as well.
628 (do_avg): Sign extend to 64 bit type before doing add/shift.
629 (do_avg2h): Sign extend 16 bit chunks before doing add/shift.
631 Wed Nov 26 15:20:24 1997 Doug Evans <devans@canuck.cygnus.com>
633 * Makefile.in (NL_TARGET): Define.
635 Wed Nov 26 16:55:38 1997 Michael Meissner <meissner@cygnus.com>
637 * cpu.h (d30v_next_insn): New flag for things we are supposed to
638 trace between instruction words.
639 ({call,return}_occurred): Remove index argument.
640 (d30v_{read,write}_mem): Add declarations.
642 * cpu.c (d30v_next_insn): New flag for things we are supposed to
643 trace between instruction words.
644 ({call,return}_occurred): Remove index argument.
645 (d30v_{read,write}_mem): New functions for reading/writing
646 simulated memory in the new common system call support.
648 * d30v-insns: Set emacs C mode.
649 (call/return insns): Set bit to trace call at instruction
650 boundary, rather than doing it here.
651 (do_trap): Set up to use new common system call interface.
653 * engine.c (sim_engine_run): If d30v_next_insn is non zero, do
654 function call/return tracing.
656 Mon Nov 24 16:40:49 1997 Michael Meissner <meissner@cygnus.com>
658 * d30v-insns (bnot): Correctly reset bit in question.
659 (do_trap): Use common system call emulation support, rather than
660 our home grown support.
662 Sun Nov 23 22:47:20 1997 Michael Meissner <meissner@cygnus.com>
664 * d30v-insns (mvfacc): Immediate field is unsigned, allowing
665 shifts of up to 63 to be encoded. Also do shift signed, rather
668 * ic-d30v (IMM_6S): Add field for 6 bit unsigned constants.
670 * d30v-insns (cmpu): Short cmpu zero extends immediate, not sign
673 Sat Nov 22 19:04:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
675 * d30v-insns (illegal, wrong_slot): Replace SIGILL with
678 * sim-calls.c (signal.h): Do not include, replaced by
681 * sim-main.h (signal.h): Do not include, include sim-signal.h
684 Fri Nov 21 09:33:54 1997 Andrew Cagney <cagney@b1.cygnus.com>
686 * cpu.c (call_occurred): Use ZALLOC instead of xmalloc.
687 (return_occurred): Use zfree instead of free.
689 Wed Nov 19 13:28:09 1997 Michael Meissner <meissner@cygnus.com>
691 * Makefile.in ({l,s}_{support,semantics}.o): Depend on the include
692 files in $(ENGINE_H).
694 * d30v-insns (do_{add,addc,sub,subb}): ALU_{ADD,SUB}_CA now takes
695 a VAL argument to add/subtract along with the carry.
697 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
699 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
701 Tue Nov 18 13:56:15 1997 Michael Meissner <meissner@cygnus.com>
703 * d30v-insns (do_trap): Change to new system call numbers. Add
706 Mon Nov 17 14:43:45 1997 Michael Meissner <meissner@cygnus.com>
708 * d30v-insns (mulx): Add mulx instruction.
710 Sun Nov 16 19:06:56 1997 Michael Meissner <meissner@cygnus.com>
712 * cpu.c ({call,return}_occurred): New trace functions to mark
713 function calls and returns and check whether all saved registers
716 * cpu.h ({call,return}_occurred): Add declaration.
718 * d30v-insns ({bsr, jsr} patterns): Call call_occurred if
719 --trace-debug to trace function calls.
720 (jmp register pattern): If this is a jump r62 and --trace-debug,
721 call return_occurred to trace function calls.
722 (bsr{tnz,tzr}): Move setting r62 inside conditional against reg.
723 (do_ld2w): Grab memory in 64-bit chunk, to check alignment.
726 Sat Nov 15 20:57:57 1997 Michael Meissner <meissner@cygnus.com>
728 * d30v-insns: Undo changes from Nov. 11, allowing for odd register
729 pairs, since the machine doesn't support such usage. Trap on odd
730 registers, rather than give a warning. Keep do_src and do_trap
733 Fri Nov 14 11:59:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
735 * d30v-insns (do_trap): Pacify compiler warnings for printf calls.
737 Tue Nov 11 18:26:03 1997 Michael Meissner <meissner@cygnus.com>
739 * d30v-insns (not_r63_reg): Rename from make_even_reg, only check
740 for register being r63. Change callers ld2{h,w}, ld4bh{,u}.
741 (get_reg_not_r63): Rename from get_even_reg, and only check for
742 register r63. Change callers st2{w,h}, st4b.
743 (do_src): Correct register pair for shift left.
744 (do_trap): Temporarily make trap 30 print out the registers.
746 Tue Nov 4 08:51:22 1997 Michael Meissner <meissner@cygnus.com>
748 * d30v-insns (do_trap): Make trap 31 be used for system calls.
749 Add primitive write and exit system calls.
751 * Makefile (FILTER): New make variable to filter out known igen
753 (tmp-igen): Add $(FILTER) on all 3 invocations of igen to filter
754 out warnings that should be ignored by default.
756 Fri Oct 31 19:36:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
758 * sim-calls.c (sim_open): Change EIT to memory region.
760 Fri Oct 17 16:51:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
762 * alu.h (ALU16_END): Get result from ALU16_OVERFLOW_RESULT.
763 (ALU32_END): Get result from ALU32_OVERFLOW_RESULT.
765 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
767 * configure: Regenerated to track ../common/aclocal.m4 changes.
769 Mon Sep 29 15:23:35 1997 Stu Grossman <grossman@babylon-5.cygnus.com>
771 * d30v-insns (MVFSYS MVTSYS): Fix bit patterns so that these
772 instructions get recognised.
774 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
776 * configure: Regenerated to track ../common/aclocal.m4 changes.
778 Wed Sep 24 17:51:43 1997 Stu Grossman <grossman@babylon-5.cygnus.com>
780 * Makefile.in (SIM_OBJS): Add sim-break.o.
781 * (INCLUDE_DEPS): Add tconfig.h.
782 * alu.h (MEM STORE): Change to sim_core_read/write_unaligned to
783 allow for trapping unaligned accesses.
784 * cpu.h: Define SIM_BREAKPOINT as syscall 5 for intrinsic breakpoint
786 * d30v-insn (short syscall): Use syscall 5 for breakpoint insn.
787 * sim-calls.c (sim_fetch_register sim_store_register): Implement.
788 * tconfig.in: Define SIM_HAVE_BREAKPOINTS to enable intrinsic
789 breakpoint mechanism.
791 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
793 * configure: Regenerated to track ../common/aclocal.m4 changes.
795 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
797 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
798 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
799 (SIM_EXTRA_CFLAGS): Update.
801 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
803 * configure.in: Specify strict alignment.
804 * configure: Regenerated to track ../common/aclocal.m4 changes.
806 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
808 * configure: Regenerated to track ../common/aclocal.m4 changes.
810 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
812 * configure: Regenerated to track ../common/aclocal.m4 changes.
814 Fri Sep 12 16:13:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
816 * sim-calls.c (sim_open): Change memory to
817 internal inst. RAM h'00000000-h'0000ffff (64KB)
818 internal data RAM h'20000000-h'20007fff (32KB)
819 external RAM h'80000000-h'803fffff (4MB)
820 EIT h'fffff000-h'ffffffff
823 Thu Sep 11 08:59:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
825 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
827 * sim-calls.c (sim_read): Delete. use sim-hrw.
828 (sim_write): Delete, use sim-hrw.
831 Tue Sep 9 01:36:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
833 * ic-d30v (imm_5): Update nr args passed to LSMASKED.
835 * d30v-insns (do_sat, do_sath, do_sath_p, do_satz, do_satzh): Fix,
836 computing the max sat value incorrectly.
838 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
840 * configure: Regenerated to track ../common/aclocal.m4 changes.
842 Fri Sep 5 09:15:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
844 * d30v-insns (do_mac, do_macs, do_msub, do_mulxs): Use explicit
845 type cast instead of SIGNED64 macro.
847 Thu Sep 4 10:28:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
849 * Makefile.in (SIM_OBJS): Include sim-memopt.o module.
851 * sim-calls.c (sim_open): Pass zero modulo arg to sim_core_attach
853 (sim_open): If no memory, use memory commands to establish d30v
855 (d30v_option_handler): Delete, replased by sim-memopt.c.
856 (sim_create_inferior): Call sim_module_init.
858 * sim-main.h (struct sim_state): Remove members eit_ram,
859 sizeof_eit_ram, external_ram, baseof_external_ram,
860 sizeof_external_ram. Using generic memory model instead.
862 Mon Sep 1 11:04:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
864 * sim-calls.c (sim_open): Use sim_state_alloc.
866 Sat Aug 30 10:01:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
868 * sim-main.h (INVALID_INSTRUCTION_ADDRESS): Define.
870 * engine.c (do_2_short): Compare with INVALID_INSTRUCTION_ADDRESS
873 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
875 * configure: Regenerated to track ../common/aclocal.m4 changes.
878 Wed Aug 27 13:41:54 1997 Andrew Cagney <cagney@b1.cygnus.com>
880 * sim-calls.c (sim_open): Add call to sim_analyze_program, update
883 * sim-calls.c (sim_create_inferior): Add ABFD argument.
884 Initialize CPU registers including PC.
885 (sim_load): Delete, using sim-hload.
887 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
889 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
891 * configure: Regenerated to track ../common/aclocal.m4 changes.
894 Mon Aug 25 15:41:44 1997 Andrew Cagney <cagney@b1.cygnus.com>
896 * sim-calls.c (sim_open): Add ABFD argument.
897 (sim_open): Move sim_config call to after sim_parse_args.
898 (sim_open): Check sim_config return status.
900 Fri Aug 22 16:38:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
902 * d30v-insns (do_subh_ppp): Correct name, was do_sub_ppp.
903 (do_subh_ppp): Compute rc=rb-src instead of src-rb.
904 (do_addh_ppp): Ditto.
906 Fri Jun 27 14:43:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
908 * d30v-insns (mvfsys, mvtsys): Switch instruction encodings, was
909 wrong. Update handling of PSW[DS] bit.
910 (dbt): Fix debug trap address.
912 * cpu.h (NR_CONTROL_REGISTERS): Allow the full 64 registers.
914 Tue Jun 24 12:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
916 * d30v-insns (DBT, RTD): Swap the stack after updating the PSW.
917 (DBT): Use PSW_SET to update PSW.
919 * alu.h (ALU16_END): Check for 16 bit carry and not 32 bit.
921 Tue Jun 24 12:16:14 1997 Andrew Cagney <cagney@b2.cygnus.com>
923 * d30v-insns (ppp, ccc, pp, XX, p): Update format functions so
924 that they are of class %s instead of class function.
926 Tue Jun 10 12:26:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
928 * sim-main.h (engine_error, engine_restart, engine_halt,
929 engine_run_until_stop): Delete prototypes. Functions deleted
931 (do_interrupt_handler): Add prototype.
932 (sim_state): Add pending_event member to struct.
934 * sim-calls.c (sim_open): Configure interrupt handler.
935 * engine.c (d30v_interrupt_event): New function. Deliver external
936 interrupt to processor.
938 * d30v-insns (do_stack_swap): Move function from here.
939 * engine.c (do_stack_swap): To here.
940 * sim-main.h (do_stack_swap): Add prototype.
942 * cpu.h (registers): Change current_sp to an int.
943 * d30v-insn (do_stack_swap): Update.
945 Thu Jun 5 12:54:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
947 * d30v-insns (LD*, ST*): Disasemble XX == 0 as immed version of
949 (str_XXX): Fix case of XX == 3 - return "-".
951 Thu Jun 5 12:54:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
953 * engine.c (sim_engine_run): Issuing L->R and R->L instructions in
956 * d30v-insn (CMPUcc imm long): With of RB field should be 6 not
958 (MUL, MUL2H, MULHX): X field 01 instead of 10.
960 Thu Jun 5 12:54:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
962 * d30v-insns (mvtsys): Don't modify DS bit when writing to PSW.
963 (dbt, rtd): New instructions.
965 * cpu.h (NR_CONTROL_REGISTERS): Now 15.
966 (debug_program_status_word_cr, debug_program_counter_cr): Add
967 debug control registers. Renumber other control registers.
968 (PSW_DS): New PSW bit.
971 Wed May 28 13:45:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
973 * engine.c (sim_engine_run): Check the event queue on every cycle.
975 * sim-calls.c (sim_size): Delete.
976 (sim_do_command): Call sim_args_command.
977 (sim_open): Move eit_ram and sizeof_eit_ram to sim_state struct.
978 (simulation): Delete global now depend on sd argument.
979 (sim_open): Initialize sim-watch.
980 (d30v_option_handler): New function, parse mem-size argument.
982 Tue May 27 14:03:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
984 * sim-calls.c (sim_set_callbacks): Delete.
985 (sim_write): Pass NULL cpu arg to sim_core_write_buffer.
987 * engine.c (engine_init): Delete. Handled in sim_open.
988 (engine_create): Ditto.
990 Tue May 20 10:15:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
992 * sim-calls.c (sim_open): Add callback argument.
993 (sim_set_callbacks): Delete SIM_DESC argument.
995 Mon May 19 14:59:32 1997 Andrew Cagney <cagney@b1.cygnus.com>
997 * sim-calls.c (sim_open): Set the sim.base magic number.
999 Fri May 16 15:25:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
1001 * d30v-insns: Replace engine_error with common sim_engine_abort.
1002 * cpu.c (is_condition_ok, is_wrong_slot): Ditto.
1004 * engine.c (engine_run_until_stop): Rename this.
1005 (sim_engine_run): To this. Simplify - most moved to common.
1007 * sim-calls.c (sim_stop_reason, sim_resume, sim_stop):
1008 Delete. Replaced by common code.
1010 * engine.c (engine_error, engine_restart, engine_halt): Ditto.
1012 * sim-main.h (SIM_ENGINE_RESTART_HOOK, SIM_ENGINE_HALT_HOOK):
1015 Mon May 5 23:05:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
1017 * alu.h (IMEM, MEM, STORE): Update to reflect changes to core in
1019 * sim-calls.c (sim_open): Ditto.
1021 * alu.h, cpu.h, cpu.c, d30v-insn, dc-short: Clean up copyright
1024 Fri May 2 12:01:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
1026 * sim-calls.c (sim-options.h, sim-utils.h): Include.
1027 * Makefile.in (sim-calls.o): Add dependencies.
1029 * d30v-insns (address_word): Remove cia argument from support
1030 functions, igen now does this automatically.
1032 * Makefile.in (tmp-igen): Include line number information in
1035 * sim-main.h (SIM_DESC): Remove sim_events and sim_core, moved to
1036 simulator base type sim_state_base.
1037 (sim-core.h, sim-events.h, sim-io.h): Replace with #include
1040 * sim-main.h (sim_state): Track recomendations in common
1042 * cpu.h (sim_cpu): Ditto.
1043 * engine.c (do_2_short, do_parallel): Ditto.
1044 * cpu.h (GPR): Ditto.
1045 * alu.h (MEM, IMEM, STORE): Ditto.
1046 * cpu.c (is_wrong_slot): Ditto.
1047 * ic-d30v (Aa, Ab): Ditto.
1049 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
1051 * configure: Regenerated to track ../common/aclocal.m4 changes.
1052 * Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
1053 * sim-calls.c (sim_open): Call sim_module_uninstall if argument
1054 parsing fails. Call sim_post_argv_init.
1055 (sim_close): Call sim_module_uninstall.
1057 Fri Apr 18 13:44:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
1059 * sim-calls.c (sim_stop): New function.
1061 Thu Apr 17 02:57:55 1997 Doug Evans <dje@canuck.cygnus.com>
1063 * Makefile.in (SIM_OBJS): Add sim-load.o, sim-options.o, sim-trace.o.
1064 (SIM_EXTRA_{LIBS,LIBDEPS,ALL,INSTALL}): Delete.
1065 (SIM_RUN_OBJS): Change from run.o to nrun.o.
1066 * cpu.h (sim_cpu): New member base. Delete members trace, sd.
1067 (cpu_traces): Delete.
1068 * engine.c (engine_init): Set backlink from cpu to state.
1069 * sim-calls.c: #include bfd.h.
1070 (sim_open): Set STATE_OPEN_KIND. Call sim_pre_argv_init,
1072 (sim_load): Return SIM_RC. New arg abfd.
1073 Call sim_load_file to load file into simulator.
1074 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
1075 (sim_trace): Delete.
1076 * sim-main.h (struct sim_state): sim_state_base is typedef now.
1077 (STATE_CPU): Define.
1079 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1081 * configure: Regenerated to track ../common/aclocal.m4 changes.
1084 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
1086 * Makefile.in (SIM_EXTRA_DEPS): Define.
1087 (SIM_OBJS): Add sim-utils.o.
1088 (SIM_GEN): Delete tmp-common.
1089 (SIM_EXTRA_CLEAN): Delete clean-common.
1090 (BUILT_SRC_FROM_COMMON): Moved to ../common/Make-common.in.
1091 (tmp-common,clean-common): Delete.
1092 (ENGINE_H): sim-state.h renamed to sim-main.h.
1093 (clean-igen): Delete tmp-insns.
1095 * cpu.c: sim-state.h renamed to sim-main.h.
1096 * engine.c: Likewise.
1097 * sim-calls.c: Likewise.
1098 (zalloc,zfree): Moved to ../common/sim-utils.c.
1099 * sim-main.h: Renamed from sim-state.h.
1101 * sim-calls.c (sim_open): New arg `kind'.
1103 * configure: Regenerated to track ../common/aclocal.m4 changes.
1105 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1107 * configure: Regenerated to track ../common/aclocal.m4 changes.
1109 Wed Apr 2 11:13:15 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1111 * Makefile.in (SIM_OBJS): Link in the recently added sim-config.o
1113 * engine.c (current_target_byte_order, current_host_byte_order,
1114 current_environment, current_alignment, current_floating_point,
1115 current_model_issue, current_stdio): Delete, moved to
1116 ../common/sim-config.c
1118 Mon Mar 24 14:50:30 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1120 * d30v-insns (do_ldw): Load 4 bytes not 2.
1121 (do_incr, LD*, ST*): Increment register not its value.
1123 Mon Mar 24 09:59:53 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1125 * cpu.c (is_wrong_slot): Ditto.
1126 (is_condition_ok): Ditto.
1128 * sim-calls.c (sim_trace): Ditto.
1130 * engine.c (engine_init): Ditto.
1131 (do_2_short): Ditto.
1132 (engine_run_until_stop): Ditto.
1134 * d30v-insns (void): Update. For functions, remove `SIM_DESC sd'
1135 and `cpu *processor' arguments as igen now handles this.
1137 * cpu.h: Rename struct _cpu to struct _sim_cpu. Rename variable
1140 * sim-state.h: Update.
1142 Fri Mar 21 12:52:12 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1144 * d30v-insns (do_sat): Correct calculation of saturate lower
1147 (do_satzh, do_satz): Arguments should be signed.
1149 * sim-calls.c (zalloc): Use malloc() instead of xmalloc() for
1151 (filter_filename): Drop.
1153 * cpu.h (is_wrong_slot): Correct declaration name - was
1156 * engine.c (do_parallel): Plicate GCC.
1157 (engine_error): Ditto.
1158 (engine_run_until_stop): Ditto.
1159 * cpu.c (is_wrong_slot): Ditto.
1160 (is_condition_ok): Ditto.
1161 * sim-calls.c (sim_size): Ditto.
1165 * engine.h, engine.c (engine_create): Add missing prototype to
1166 header file. Clean up missing variables.
1168 * configure.in (unistd.h, string.h, strings.h): Configure in.
1169 * configure, config.in: Rebuild.
1171 Thu Mar 20 19:40:20 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1173 * d30v-insns (void): Provide a second emul instruction using a
1176 Tue Mar 18 20:51:42 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1178 * d30v-insn (do_sat*): Pass all necessary args.
1180 Tue Mar 18 18:49:10 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1182 * d30v-insns (SAT*): Issue warning when bit overflow.
1183 (EMUL): Exit with GPR[2] not 2.
1185 Tue Mar 18 14:24:09 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1187 * sim-state.h: New file rename engine.h.
1188 (sim_state): Rename engine strut to sim_state, rename events and
1192 * cpu.h, cpu.c: Ditto.
1194 * d30v-insns: Ditto.
1195 * sim-calls.c: Ditto.
1197 * Makefile.in (sim-*.c): Moved to ../common.
1199 Tue Mar 18 10:39:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1201 * d30v-insns (do_mac): Adding wrong register.
1206 * ic-d30v: Put back definitions of RaH, RaL, et.al.
1207 (do_sra2h, do_srah): Use.
1208 (do_srl2h, do_srlh): Use.
1210 * d30v-insns (SAT, SAT2H, SATp, SATZ): Implement saturate.
1212 Tue Mar 18 03:01:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1214 * d30v-insns: Specify wild insted of reserved bits.
1217 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1219 * configure: Re-generate.
1221 Mon Mar 17 14:35:37 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1223 * Makefile.in (SIM_EXTRA_CFLAGS), configure.in: Include SIM_*
1224 options. Allow RESERVED_BITS to be configured.
1225 * configure: Re-generate.
1227 * Makefile.in (sim-*.h): Drop, not needed.
1228 (sim-*.c): Make each explicit so that they automatically update.
1230 Sat Mar 15 02:34:30 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1232 * ic-d30v (imm long): Incorrect calculation.
1234 * d30v-insns (EMUL): Finish exit, write-string emul-call.
1236 * sim-calls.c (sim_trace): Have sim-trace enable basic instruction
1239 Sat Mar 15 02:10:31 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1241 * configure.in: Enable common options - endian, inline and
1243 * configure: Regenerate.
1245 Fri Mar 14 16:11:50 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1247 * Makefile.in (cpu.o): Update dependencies.
1248 * cpu.c (is_condition_ok): Update PSW bit manipulations.
1250 Fri Mar 14 12:49:20 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1252 * configure.in: Autoconfig m4
1253 * configure: Regenerate.
1255 * Makefile.in: Use m4 to preprocess d30v-insns.
1256 * d30v-insn: Adjust.
1258 Thu Mar 13 12:44:54 1997 Doug Evans <dje@canuck.cygnus.com>
1260 * sim-calls.c (sim_open): New SIM_DESC result. Argument is now
1262 (other sim_*): New SIM_DESC argument.
1264 Wed Mar 12 19:05:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1266 * sim-calls.c (sim_open): Create all the d30v RAM blocks.
1268 * engine.c (engine_run_until_stop): Handle delayed subroutine
1272 * ic-d30v: For Rb and Rc always return the value and not the
1276 * ic-d30v (val_Ra): Returns 0 or RA.
1279 * d30v-insn (make_even_reg, get_even_reg): New functions. Force
1280 the register index to be even, issusing a warning if it was not.
1283 Wed Mar 12 14:57:26 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1285 * d30v-insns (do_trap): Implement TRAP instruction.
1287 * alu.h (PSW_F, PSW_FLAG_VAL, PSW_FLAG_SET): New macro, map flag
1289 * ic-d30v: Drop F* expressions.
1290 * d30v-insn: Use more explicit PSW_FLAG_ ops.
1291 * cpu.h (PSW_*): Redo PSW bit values.
1292 * alu.h (ALU*_END): Update. Fix setting of overflow - logic was
1295 * d30v-insn (MVFSYS, MVTSYS): Implement.
1296 * cpu.h (PSWH, PSWL): New macros for high, low word of PSW.
1298 Wed Mar 12 14:12:11 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1300 * cpu.h (RPT_IS_CALL): New macro for processor field
1301 is_delayed_call. That in turn used as a flag to indicate if a
1302 delayed branch or delayed call is to occure.
1303 * d30v-insns (do_dbra): Set/clear RPT_IS_CALL;
1313 * d30v-insn (do_incr): Finish - handle modulo registers.
1315 * d30v-insns (CMPU): Include all possible compare
1316 operations. Issue a warning where op defined by the processor
1319 Wed Mar 12 13:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1321 * d30v-insns: Add a new instruction class _EMUL and a new
1322 instruction EMUL that emulates a few basic IO operations.
1324 * Makefile.in (tmp-igen): Filter in emul instructions.
1326 Fri Mar 7 20:32:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1328 * d30v-insns (void): Fill in the gaps.
1330 Wed Feb 26 09:31:10 1997 Andrew Cagney <cagney@kremvax.tpgi.com.au>
1332 * Makefile.in (tmp-igen): Include ic-d30v in dependencies.
1334 * ic-d30v (cache): Update to use H_word, L_word added to
1337 Tue Feb 25 15:26:51 1997 Andrew Cagney <cagney@kremvax.tpgi.com.au>
1339 * Makefile.in (tmp-igen): Correctly run $(MAKE).
1341 Thu Feb 20 20:30:31 1997 Andrew Cagney <cagney@critters.cygnus.com>
1343 * Makefile.in (FROM_IGEN, FROM_COMMON): Make the igen generated
1344 files dependant on tmp-igen. Define ENGINE_H.
1346 Sun Feb 16 16:42:48 1997 Andrew Cagney <cagney@critters.cygnus.com>
1348 * configure.in: New file - follow Doug Evans instructions.
1349 * Makefile.in: Ditto.