1 2014-08-19 Alan Modra <amodra@gmail.com>
3 * configure: Regenerate.
5 2014-08-15 Roland McGrath <mcgrathr@google.com>
7 * configure: Regenerate.
8 * config.in: Regenerate.
10 2014-03-04 Mike Frysinger <vapier@gentoo.org>
12 * configure: Regenerate.
14 2013-09-23 Alan Modra <amodra@gmail.com>
16 * configure: Regenerate.
18 2013-06-03 Mike Frysinger <vapier@gentoo.org>
20 * aclocal.m4, configure: Regenerate.
22 2013-05-13 Nick Clifton <nickc@redhat.com>
24 * v850.igen (LDSR): Accept but ignore a selID parameter.
26 2013-05-10 Freddie Chopin <freddie_chopin@op.pl>
30 2013-01-28 Nick Clifton <nickc@redhat.com>
32 * simops.c (v850_rotl): New function.
33 (v850_bins): New function.
34 * simops.h: Add prototypes fir v850_rotl and v850_bins.
35 * v850-dc: Add entries for V850e3v5.
36 * v850.igen: Add support for v850e3v5.
37 (ld.dw, st.dw, rotl, bins): New patterns.
39 2013-01-10 Nick Clifton <nickc@redhat.com>
41 * interp.c (sim_open): Add support for bfd_arch_v850_rh850
42 architecture type. Add support for bfd_mach_v850e2 and
43 bfd_mach_v850e2v3 machine numbers.
44 * v850.igen (dbtrap): Add support for SIM_OPEN_DEBUG.
45 (cmpf.d): Correct order of operands.
47 (trncf.dul): New pattern.
48 (trncf.duw): New pattern.
49 (trncf.sul): New pattern.
50 (trncf.suw): New pattern.
51 * v850-dc: Correct bitfield selection for TRNCF.SW and CVTF.SW.
53 2012-09-13 Nick Clifton <nickc@redhat.com>
55 * v850.igen (W,WWWW): Correct computation of register number.
56 (JR32): Remove unnecessary comma.
57 (cmovf.s): Register 0 is an invalid source register.
58 (maddf.s): Remove bogus intermediary rounding.
60 (trncf.sl): Remove bogus initial rounding.
65 2012-06-15 Joel Brobecker <brobecker@adacore.com>
67 * config.in, configure: Regenerate.
69 2012-03-28 Rathish C <rathish.c@kpitcummins.com>
71 * sim-main.h (struct _v850_regs): Add new fields mpu0_sregs,
72 mpu1_sregs, and fpu_sregs.
73 (MPU0_SR, MPU1_SR, FPU_SR): New macros for accessing new fields
76 (SP): Redefine using SP_REGNO.
77 (PSW_REGNO, EIIC, FEIC, DBIC, DIR, EIWR, FEWR, DBWR, BSEL, PSW_NPV)
78 (PSW_DMP, PSW_IMP, ECR_EICC, ECR_FECC, FPSR, FPSR_REGNO, FPEPC)
79 (FPST, FPST_REGNO, FPCC, FPCFG, FPCFG_REGNO, FPSR_DEM, FPSR_SEM)
80 (FPSR_RM, FPSR_RN, FPSR_FS, FPSR_PR, FPSR_XC, FPSR_XCE, FPSR_XCV)
81 (FPSR_XCZ, FPSR_XCO, FPSR_XCU, FPSR_XCI, FPSR_XE, FPSR_XEV)
82 (FPSR_XEZ, FPSR_XEO, FPSR_XEU, FPSR_XEI, FPSR_XP, FPSR_XPV)
83 (FPSR_XPZ, FPSR_XPO, FPSR_XPU, FPSR_XPI, FPST_PR, FPST_XCE)
84 (FPST_XCV, FPST_XCZ, FPST_XCO, FPST_XCU, FPST_XCI, FPST_XPV)
85 (FPST_XPZ, FPST_XPO, FPST_XPU, FPST_XPI, FPCFG_RM, FPCFG_XEV)
86 (FPCFG_XEZ, FPCFG_XEO, FPCFG_XEU, FPCFG_XEI, GET_FPCC, CLEAR_FPCC)
87 (SET_FPCC, TEST_FPCC, FPSR_GET_ROUND, MPM, MPC, MPC_REGNO, TID)
88 (PPA, PPM, PPC, DCC, DCV0, DCV1, SPAL, SPAU, IPA0L, IPA0U, IPA1L)
89 (IPA1U, IPA2L, IPA2U, IPA3L, IPA3U, DPA0L, DPA0U, DPA1L, DPA1U)
90 (DPA2L, DPA2U, DPA3L, DPA3U, PPC_PPE, SPAL_SPE, SPAL_SPS, VIP)
91 (VMECR, VMTID, VMADR, VPECR, VPTID, VPADR, VDECR, VDTID, MPM_AUE)
92 (MPM_MPE, VMECR_VMX, VMECR_VMR, VMECR_VMW, VMECR_VMS, VMECR_VMRMW)
93 (VMECR_VMMS, IPA2ADDR, IPA_IPE, IPA_IPX, IPA_IPR, IPE0, IPE1, IPE2)
94 (IPE3, IPX0, IPX1, IPX2, IPX3, IPR0, IPR1, IPR2, IPR3, DPA2ADDR)
95 (DPA_DPE, DPA_DPR, DPA_DPW, DPE0, DPE1, DPE2, DPE3, DPR0, DPR1)
96 (DPR2, DPR3, DPW0, DPW1, DPW2, DPW3, DCC_DCE0, DCC_DCE1, PPA2ADDR)
97 (PPC_PPC, PPC_PPE, PPC_PPM): New macros.
98 (FPU_COMPARE): New enum.
99 (TRACE_FP_INPUT_FPU1, TRACE_FP_INPUT_FPU2, TRACE_FP_INPUT_FPU3)
100 (TRACE_FP_INPUT_BOOL1_FPU2, TRACE_FP_INPUT_WORD2)
101 (TRACE_FP_RESULT_WORD1, TRACE_FP_RESULT_WORD2): New macros.
102 * simops.c (Add32): Update prototype.
103 (update_fpsr): New function.
104 (SignalException): New function.
105 (SignalExceptionFPE): New function.
106 (check_invalid_snan): New function.
107 (v850_float_compare): New function.
108 (v850_div): New function.
109 (v850_divu): New function.
110 (v850_sar): New function.
111 (v850_shl): New function.
112 (v850_shr): New function.
113 (v850_satadd): New function.
114 (v850_satsub): New function.
115 (load_data_mem): New function.
116 (store_data_mem): New function.
117 (mpu_load_mem_test): New function.
118 (mpu_store_mem_test): New function.
119 * simops.h: Add function prototype for above mentioned functions.
120 (check_cvt_fi, check_cvt_if, check_cvt_ff): Define.
121 * v850-dc: Add entry for v850e2 and v850e2v3.
122 * v850.igen: Add support for v850e2 and v850e2v3.
124 2012-03-24 Mike Frysinger <vapier@gentoo.org>
126 * aclocal.m4, config.in, configure: Regenerate.
128 2011-12-03 Mike Frysinger <vapier@gentoo.org>
130 * aclocal.m4: New file.
131 * configure: Regenerate.
133 2011-10-17 Mike Frysinger <vapier@gentoo.org>
135 * configure.ac: Change include to common/acinclude.m4.
137 2011-10-17 Mike Frysinger <vapier@gentoo.org>
139 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
140 call. Replace common.m4 include with SIM_AC_COMMON.
141 * configure: Regenerate.
143 2011-07-05 Mike Frysinger <vapier@gentoo.org>
145 * interp.c (sim_do_command): Delete.
147 2011-03-21 Kevin Buettner <kevinb@redhat.com>
149 * simops (OP_10007E0): Update errno handling as most traps
150 do not invoke the host's functionality directly. Invoke
151 sim_io_stat() instead of stat() for implementing TARGET_SYS_stat.
152 Implement TARGET_SYS_fstat, TARGET_SYS_rename, and TARGET_SYS_unlink.
154 2011-02-14 Mike Frysinger <vapier@gentoo.org>
156 * simops.c (OP_10007E0): Change zfree to free.
158 2011-01-11 Andrew Burgess <aburgess@broadcom.com>
160 * interp.c (sim_store_register): Update return value to
163 2010-03-30 Mike Frysinger <vapier@gentoo.org>
165 * interp.c (interrupt_names): Add const to pointer type.
166 (do_interrupt): Add const to interrupt_name.
168 2010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
170 * configure: Regenerate.
172 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
174 * config.in: Regenerate.
175 * configure: Likewise.
177 * configure: Regenerate.
179 2008-07-11 Hans-Peter Nilsson <hp@axis.com>
181 * configure: Regenerate to track ../common/common.m4 changes.
184 2008-06-06 Vladimir Prus <vladimir@codesourcery.com>
185 Daniel Jacobowitz <dan@codesourcery.com>
186 Joseph Myers <joseph@codesourcery.com>
188 * configure: Regenerate.
190 2008-02-05 DJ Delorie <dj@redhat.com>
192 * simops.c (OP_1C007E0): Compensate for 64 bit hosts.
193 (OP_18007E0): Likewise.
194 (OP_2C007E0): Likewise.
195 (OP_28007E0): Likewise.
196 * v850.igen (divh): Likewise.
198 * simops.c (OP_C0): Correct saturation logic.
204 * simops.c (OP_2A0): If the shift count is zero, clear the
206 (OP_A007E0): Likewise.
208 (OP_C007E0): Likewise.
210 (OP_8007E0): Likewise.
212 * simops.c (OP_2C207E0): Correct PSW flags for special divu
214 (OP_2C007E0): Likewise, for div.
215 (OP_28207E0): Likewise, for divhu.
216 (OP_28007E0): Likewise, for divh. Also, sign-extend the correct
218 * v850.igen (divh): Likewise, for 2-op divh.
220 * v850.igen (bsh): Fix carry logic.
222 2007-02-20 Daniel Jacobowitz <dan@codesourcery.com>
224 * Makefile.in (interp.o): Uncomment and update.
226 2006-12-21 Hans-Peter Nilsson <hp@axis.com>
228 * acconfig.h: Remove.
229 * config.in: Regenerate.
231 2006-06-13 Richard Earnshaw <rearnsha@arm.com>
233 * configure: Regenerated.
235 2006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
237 * configure: Regenerated.
239 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
241 * configure: Regenerated.
243 2005-03-23 Mark Kettenis <kettenis@gnu.org>
245 * configure: Regenerate.
247 2005-01-14 Andrew Cagney <cagney@gnu.org>
249 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
250 explicit call to AC_CONFIG_HEADER.
251 * configure: Regenerate.
253 2005-01-12 Andrew Cagney <cagney@gnu.org>
255 * configure.ac: Update to use ../common/common.m4.
256 * configure: Re-generate.
258 2005-01-11 Andrew Cagney <cagney@localhost.localdomain>
260 * configure: Regenerated to track ../common/aclocal.m4 changes.
262 2005-01-07 Andrew Cagney <cagney@gnu.org>
264 * configure.ac: Rename configure.in, require autoconf 2.59.
265 * configure: Re-generate.
267 2004-12-08 Hans-Peter Nilsson <hp@axis.com>
269 * configure: Regenerate for ../common/aclocal.m4 update.
271 2004-01-18 Mark Kettenis <kettenis@gnu.org>
273 * simops.c: Include <sys/types.h>.
275 2003-09-05 Andrew Cagney <cagney@redhat.com>
276 Nick Clifton <nickc@redhat.com>
278 * interp.c (sim_open): Accept bfd_mach_v850e1.
279 * v850-dc: Add entry for v850e1.
280 * v850.igen: Add support for v850e1.
281 Add code for DBTRAP and DBRET instructions.
282 (dbtrap): Create a separate v850e1 specific instruction.
283 Only generate a trap if the target is not the v850e1.
284 Otherwise treat it as a special kind of branch.
285 (break): Mark as v850/v850e specific.
287 2003-05-16 Ian Lance Taylor <ian@airs.com>
289 * Makefile.in (SHELL): Make sure this is defined.
290 (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
292 2003-04-06 Nick Clifton <nickc@redhat.com>
294 * simops.c (OP_40): Delete. Move code to...
295 * v850-igen.c (): ...Here. Sign extend the first operand.
296 * simops.h (OP_40): Remove prototype.
298 2003-02-27 Andrew Cagney <cagney@redhat.com>
300 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
302 2002-11-30 Andrew Cagney <cagney@redhat.com>
304 * simops.c: Use int, 1, 0 instead of boolean, true and false.
307 2002-09-27 Jim Wilson <wilson@redhat.com>
309 * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
311 (BIT_CHANGE_OP): Likewise.
313 2002-09-26 Jim Wilson <wilson@redhat.com>
315 * simops (OP_10007E0): Don't subtract 4 from PC.
317 2002-09-19 Nick Clifton <nickc@redhat.com>
319 * interp.c (sim_open): Remove reference to v850ea.
320 (sim_create_inferior): Likewise.
322 * v850.igen: Remove all references to v850ea, including v850ea
323 specific instructions.
325 2002-08-29 Nick Clifton <nickc@redhat.com>
327 From 2001-08-23 Catherine Moore <clm@redhat.com>
329 * Makefile.in: Add gen-zero-r0 option.
330 * sim-main.h (GPR_SET, GPR_CLEAR): Define.
331 * simops.c (OP_24007E0): Sign extend the imm9
332 operand of a mul instruction.
334 2002-06-17 Andrew Cagney <cagney@redhat.com>
336 * simops.c (trace_result): Fix printf formatting.
338 2002-06-16 Andrew Cagney <ac131313@redhat.com>
340 * configure: Regenerated to track ../common/aclocal.m4 changes.
342 2001-12-02 Andrew Cagney <ac131313@redhat.com>
344 * Makefile.in (simops.h, table.c): Delete targets.
345 (tmp-gencode, gencode.o, gencode): Delete targets.
346 (simops.h): New file.
347 ($(BUILT_SRC_FROM_IGEN)): Do not depend on simops.h.
348 * gencode.c: Delete file.
350 2001-04-15 J.T. Conklin <jtc@redback.com>
352 * Makefile.in (simops.o): Add simops.h to dependency list.
354 2001-03-14 Andrew Cagney <ac131313@redhat.com>
356 * Makefile.in (gencode): Link with libintl.
358 2001-01-31 Jonathan Larmour <jlarmour@redhat.com>
360 * Makefile.in (gencode): Link with libopcodes in build tree rather
361 than building source files from there.
363 2000-05-30 Nick Clifton <nickc@cygnus.com>
365 * v850.igen: Remove illegal instruction pattern, since it is the
366 same as the breakpoint pattern.
368 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
370 * configure: Regenerated to track ../common/aclocal.m4 changes.
372 2000-04-14 Gary Thomas <gthomas@redhat.com>
374 * v850.igen: Define 'br *' as illegal since this is the only
375 way to provide a breakpoint on some v850 family processors.
377 2000-03-24 Frank Ch. Eigler <fche@redhat.com>
379 * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
381 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
383 * configure: Regenerated to track ../common/aclocal.m4 changes.
385 1999-05-08 Felix Lee <flee@cygnus.com>
387 * configure: Regenerated to track ../common/aclocal.m4 changes.
389 Tue Dec 1 17:25:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
391 * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
393 Wed Nov 25 17:52:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
395 * Makefile.in (simops.o): Depends on targ-vals.h
396 * simops.c: Include targ-vals.h instead of
397 libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
398 (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
399 Replace signed long int with signed32.
401 Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
403 * interp.c: #include "itable.h".
404 (get_insn_name): New function.
405 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
406 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
408 Wed May 6 19:43:27 1998 Doug Evans <devans@canuck.cygnus.com>
410 * sim-main.h (INSN_NAME): New arg `cpu'.
412 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
414 * configure: Regenerated to track ../common/aclocal.m4 changes.
416 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
418 * configure: Regenerated to track ../common/aclocal.m4 changes.
421 Sun Apr 26 15:19:14 1998 Tom Tromey <tromey@cygnus.com>
423 * acconfig.h: New file.
424 * configure.in: Reverted change of Apr 24; use sinclude again.
426 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
428 * configure: Regenerated to track ../common/aclocal.m4 changes.
431 Fri Apr 24 11:18:08 1998 Tom Tromey <tromey@cygnus.com>
433 * configure.in: Don't call sinclude.
435 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
437 * configure: Regenerated to track ../common/aclocal.m4 changes.
438 * sim-main.h (SIM_MAIN_H): Wrap header.
440 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
442 * configure: Regenerated to track ../common/aclocal.m4 changes.
444 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
446 * configure: Regenerated to track ../common/aclocal.m4 changes.
448 Tue Mar 10 15:54:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
450 * interp.c (sim_stop): Delete, second attempt.
452 Thu Feb 26 19:09:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
454 * interp.c (sim_info): Delete.
456 Wed Feb 18 10:47:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
458 * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc].
460 * simops.c (trace_result): Call trace_generic instead of
462 (trace_module): Change variable type to integer.
463 (trace_input): Initialize trace_module with TRACE_ALU_IDX.
465 * sim-main.h (trace_module): Change variable decl to integer type.
466 (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
468 Tue Feb 17 12:51:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
470 * interp.c (sim_store_register, sim_fetch_register): Pass in
471 length parameter. Return -1.
473 Tue Feb 3 16:24:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
475 * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
476 IMEM_IMMED. To match recent igen change.
478 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
480 * configure: Regenerated to track ../common/aclocal.m4 changes.
482 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
484 * configure: Regenerated to track ../common/aclocal.m4 changes.
486 Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
488 * sim-main.h (CPU_CIA): Delete, replaced by.
489 (CIA_SET, CIA_SET): Define.
491 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
493 * configure: Regenerated to track ../common/aclocal.m4 changes.
495 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
497 * configure: Regenerated to track ../common/aclocal.m4 changes.
500 Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
502 * v850.igen: Revert break value back to its old value.
504 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
506 * configure: Regenerated to track ../common/aclocal.m4 changes.
508 Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
510 * v850.igen: Make break have a zero first field, since otherwise
511 it clashes with the DIVH instruction.
513 Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
515 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
516 sim_stopped instead of sim_signalled.
518 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
520 (illegal): Rename SIGILL to SIM_SIGILL.
522 * sim-main.h, simops.c, interp.c: Do not include signal.h.
524 * sim-main.h: Include sim-signal.h instead of signal.h.
525 (SIGTRAP, SIGQUIT): Delete definition.
526 (SIG_V850_EXIT): Delete definition.
528 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
530 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
532 Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
534 * interp.c (sim_open): Check state magic number.
535 (sim-assert.h): Include.
537 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
539 * v850.igen: Add model filter field to records.
541 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
543 * configure: Regenerated to track ../common/aclocal.m4 changes.
545 Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
547 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
548 SIM_ENGINE_RESTART_HOOK.
550 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
552 * configure: Regenerated to track ../common/aclocal.m4 changes.
554 Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
556 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
558 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
559 architecture with MSB == 31.
561 Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
563 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
565 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
567 * configure: Regenerated to track ../common/aclocal.m4 changes.
569 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
571 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
572 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
573 (SIM_EXTRA_CFLAGS): Update.
575 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
577 * configure: Regenerated to track ../common/aclocal.m4 changes.
578 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
580 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
582 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
583 * configure: Regenerated to track ../common/aclocal.m4 changes.
585 Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
587 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
588 (disp22): Only shift left by 1, not 2.
589 ("jmp"): Ensure PC is 2 byte aligned.
591 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
592 v850.igen. Fix tracing.
594 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
595 "sld.w" insns to v850.igen. Fix tracing.
596 (OP_70): Ditto for "sld.hu".
598 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
600 * simops.c (condition_met): Make global.
602 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
604 (TRACE_LD_NAME): Define.
606 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
608 Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
610 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
612 * interp.c (hash): Delete.
614 * v850.igen (nop): Really do nothing.
616 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
618 * v850.igen (reti): Return to current PC not previous.
620 Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
622 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
623 (trace_module): Global, save component/module name across insn.
625 * simops.c: Move "bsh" to v850.igen, fix.
627 * v850.igen (callt): Load correct number of bytes. Fix tracing.
628 (stsr, ldsr): Correct src, dest fields. Fix tracing.
629 (ctret): Force alignment. Fix tracing.
631 Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
633 * simops.c (trace_output): Add result argument.
634 (trace_result): New function. Simpler version of trace_output,
635 assumes trace needed.
636 (trace_output): Call trace_result.
637 (trace_output): For IMM_REG_REG, trace correct register.
638 (trace_input): Add case for 16bit immediates.
639 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
641 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
642 (trace_values, trace_name, trace_pc, trace_num_values): Make
646 v850.insn (movea, stsr): Use.
647 (sxb, sxh, zxb, zxh): Ditto.
649 Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
651 * simops.c: Move "movea" from here.
652 * v850.igen: To here.
654 * v850.igen (simm16): Define, sign extend imm16.
655 (uimm16): Define, no sign extension.
656 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
658 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
660 * v850.igen: To here.
661 (switch): Fix off by two error in NIA calc.
663 Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
665 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
667 (trace_input): Just save pc, name and values for trace_output.
668 (trace_output): Write trace values to a buffer. Use
669 trace_one_insn to print trace info and buffer.
670 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
672 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
674 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
677 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
678 instructions from here.
679 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
682 * interp.c (sim_open): Set psw_mask if machine known.
684 Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
686 * v850-dc: Add rule to diferentiate between breakpoint and divh.
687 * v850.igen (break): New instruction, breakpoint simulator.
688 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
690 Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
692 * simops.c (Multiply64): Don't store into register zero.
694 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
696 * Makefile.in (semantics.o): Add dependency.
698 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
699 do not adjust CIA/NIA.
701 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
703 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
705 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
706 "divun", "pushml" code from here to v850.igen.
707 (divun): Make global.
708 (type3_regs): Make global
710 * v850.igen: Move simops.c code to here.
712 * interp.c (sim_create_inferior): For v850eq set US bit by
715 * interp.c (sim_open): Don't set arch, now set by
718 * configure: Regenerated to track ../common/aclocal.m4 changes.
720 Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
722 * simops.c (op_types): Move from here.
725 * sim-main.h (trace_input, trace_output), simops.c: Make global.
727 * simops.c (OP_60): Move "jmp" code from here.
728 * v850.igen (jmp): To here.
730 * simops.c (OP_60): Move "sld.bu" code from here.
731 * v850.igen (sld.bu): To here.
733 Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
735 * v850.igen (prepare, ...): Add to v850eq architecture.
737 * interp.c (sim_open): Default to v850eq.
739 * interp.c (sim_open): Default to v850e.
740 * sim-main.h (signal.h): Include.
742 * v850.igen (illegal): Report/halt illegal instructions.
744 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
746 * configure.in: Add reserved bits option.
747 * configure: Regenerate.
749 Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
751 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
753 * sim-main.h (INSN_NAME):
755 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
756 (SIM_EXTRA_DEPS): Add itable.h
757 (tmp-gencode): Does not depend on simops.h
759 * sim-main.h (itable.h): Include.
760 (MAX_INSNS, INSN_NAME): Define.
762 * interp.c: Compute inttype from the interrupt_names index that
765 Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
767 * simops.c (trace_input): Use trace_printf instead of
769 (trace_output): Ditto.
770 (trace_input): Only trace when TRACE_ALU_P. Delete code
771 disasembling instruction.
772 (trace_output): Only trace when TRACE_ALU_P.
774 Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
776 * simops.c (trace_input, trace_output): Use sim_io_printf.
777 (OP_620): Pass correct argument to trace.
779 (trace_input): Obtain prog_bfd, text_start et.al from simulator
782 Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
784 * v850.igen: New file.
787 Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
790 * sim-main.h (SEXT16): Delete, use EXTEND16.
791 (SEXT8): Delete, use EXTEND8.
792 (SEXT32): Delete, used?
793 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
794 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
796 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
798 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
799 replace with TRACE_INSN_P and TRACE_ALU_P.
801 * simops.c (trace_input, trace_output): Update.
803 * interp.c (sim_engine_run): Delete.
804 (lookup_hash): Delete.
805 (sim_open): Do not fill hash table.
808 Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
810 * simops.c (OP_FFFF): Use sim_engine_halt.
814 * sim-main.h (struct sim_cpu): Delete member exception. Using
817 * interp.c (sim_info): Do not do anything in sim-info.
818 (sim_stop): Delete, replace with sim-stop.
819 (sim_stop_reason): Delete, replace with sim-reason.
821 * sim-main.h (WITH_WATCHPOINTS): Define.
822 (WITH_MODULO_MEMORY): Define
824 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
827 * interp.c (enum interrupt_cond_type): Delete.
828 (struct interrupt_generator): Delete.
829 (enum interrupt_type): Drop int_none.
830 (sim_open): Initialize WATCHPOINT module.
831 (sim_resume, sim_run): Rename sim_resume to sim_run.
832 (sim_engine_run): Replace interrupt code with call to sim-events.
833 (sim_set_interrupt): Delete.
834 (sim_parse_number): Delete.
836 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
838 * configure: Regenerated to track ../common/aclocal.m4 changes.
840 Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
842 * simops.c (fetch_argv): New function, fetch a arg vector from
845 * configure.in: Check for fork, execve, execv.
846 * configure: Regenerate.
848 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
849 T2H_4 for byte swapping.
851 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
852 put_half, put_byte): Delete.
854 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
856 * sim-main.h (load_mem, store_mem): Redefine as macros.
857 (IMEM, IMEM_IMMED): New macros - fetch instructions.
859 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
860 transfer data via a buffer.
861 (fetch_str): New function, fetch string from memory.
863 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
865 * interp.c (sim_open): Establish memory maps using sim-memopt.c
867 (sim_do_command): Print error if memory-map command is used. Call
869 (map): Delete, replaced by sim-core.
870 (sim_memory_init): Delete, replaced by sim-core.
871 (sim_set_memory_map): Delete, replaced by sim-memopt.
872 (load_mem): Delete, replaced by sim-core.
873 (store_mem): Delete, replaced by sim-core.
874 (sim_write): Delete, replaced by sim-hrw.
875 (sim_read): Delete, replaced by sim-hrw.
877 * sim-main.h (struct sim_state): Remove memory members, using
880 Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
882 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
883 * interp.c (map): Do not add to a void pointer.
885 * Makefile.in (INCLUDE): Add sim-main.h
887 * configure.in: Check for time.h
888 * configure: Re-generate.
890 * interp.c (struct interrupt_generator): Make time unsigned long,
892 (sim_resume): Make oldpc SIM_ADDR.
893 (struct hash_entry): Make mask/opcode unsigned.
895 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
897 * simops.c (utime.h): Include if available.
898 (OP_10007E0): Check for UTIME function.
899 (divun): Put parentheses around shift argument.
900 (OP_640): Put parentheses around shift argument, was wrong.
901 (OP_107F0): Return something.
903 * interp.c (sim_parse_number): Use strtoul not strtol.
904 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
906 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
907 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
908 (SIM_AC_OPTION_HOST_ENDIAN): Add.
909 (AC_CHECK_FUNCS): Add utime.
910 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
911 configure: Regenerate.
914 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
915 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
916 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
917 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
918 (SIM_ENDIAN, SIM_WARNGINS): Define.
920 * simops.c (OP_10007E0): Use sim_io_* for transfers.
922 * interp.c (sim_resume): Pass sd around.
924 * simops.c (sim-main.h): Include.
926 * gencode.c (write_template): Generate #include sim-main.h.
927 (write_opcodes): Ditto.
929 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
930 (v850_callback): Ditto.
931 (sim_kind, myname): Ditto.
932 (lookup_hash): Pass SD. Use sim_io_error.
933 (sim_set_memory_map): Pass in SD, use.
934 (init_system): Pass in SD, use.
936 (sim_set_profile): Delete.
937 (sim_set_profile_size): Delete.
938 (do_interrupt): Pass in SD, use.
939 (sim_info): Use sim_io_printf.
940 (sim_create_inferior): Reset registers. Set PC from prog_bfd
942 (sim_load): Delete, use common/sim-hload.c
943 (sim_size): Rename to sim_memory_init.
944 (sim_write): Remove call to init_system.
945 (init_system): Delete.
946 (sim_set_callbacks): Delete.
947 (sim_set_interrupt): Pass in SD, use.
948 (start_time): Delete.
950 * v850_sim.h: Remove everything except `struct simops' from here.
951 * sim-main.h: Move most to here.
952 * gencode.c: Move #includes to here.
954 * sim-main.h(struct _sim_cpu): Rename struct _state.
955 (#define PC, et.al.): Update
956 (v850_callback): Delete. Replaced with SIM_DESC arg.
957 (int8, uint8, int16, uint16, int32, uint32): Define types using
958 unsigned8 et.al from common/sim-types.h.
959 * sim-main.h (State): Define as STATE_CPU.
961 Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
963 * configure.in: Check for time, chmod.
964 * configure: Regenerate.
965 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
967 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
969 (OP_10007E0): Check the existance each SYS_* macro independantly.
971 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
973 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
975 * configure: Regenerated to track ../common/aclocal.m4 changes.
978 Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
980 * interp.c (sim_kill): Delete.
981 (sim_create_inferior): Add ABFD argument.
982 (sim_load): Move setting of PC from here.
983 (sim_create_inferior): To here.
985 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
987 * configure: Regenerated to track ../common/aclocal.m4 changes.
990 Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
992 * interp.c (sim_open): Add ABFD argument.
994 Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
996 * simops.c (bsh): Only set CY flag if either of the bottom
999 * simops.c (prepare, dispose): Lower numbered
1000 registers go to higher numbered address.
1002 * simops.c (unsigned divide instructions): S bit set if result has
1005 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
1006 registers go to higher numbered address.
1008 Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
1010 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
1011 interpretation of SR bit in list18 structure.
1012 (divn, divun): New functions to perform N step divide functions.
1014 Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
1016 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
1017 with US bit set in the PSW.
1019 Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
1021 * interp.c (sim_resume): Opcode functions return amount to be
1022 added to PC and all opcodes take a standard format in the OP[]
1025 (do_format_*): Functions removed.
1027 * v850_sim.h (SP, EP): New register mnemonics.
1029 * gencode.c (write_header): Functions prototypes return an
1032 * simops.c: Opcode functions return amount to be added to PC.
1034 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
1036 * simops.c: Add support for v850e instructions.
1038 * simops.c: Add support for v850eq instructions.
1040 Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
1042 * interp.c (sim_open): Add callback argument.
1043 (sim_set_callbacks): Delete SIM_DESC argument.
1045 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
1047 * configure: Regenerated to track ../common/aclocal.m4 changes.
1049 Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
1051 * interp.c (prog_bfd_was_opened_p): New static local.
1052 (prog_bfd): New global variable.
1053 (sim_open): Undo patch to add -E support.
1054 (sim_close): Close prog_bfd if sim_load opened it.
1055 (sim_load): Record bfd of loaded file in prog_bfd.
1056 * simops.c (prog_bfd): Renamed from exec_bfd.
1058 Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
1060 * interp.c (sim_stop): Stub function.
1062 Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
1064 * Makefile.in (SIM_OBJS): Add sim-load.o.
1065 * interp.c (sim_kind, myname): New static locals.
1066 (sim_open): Set sim_kind, myname. Ignore -E arg.
1067 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
1068 load file into simulator. Set start address from bfd.
1069 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
1071 Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
1073 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
1074 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
1076 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1078 * configure: Regenerated to track ../common/aclocal.m4 changes.
1081 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
1083 * interp.c (sim_open): New arg `kind'.
1085 * configure: Regenerated to track ../common/aclocal.m4 changes.
1087 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1089 * configure: Regenerated to track ../common/aclocal.m4 changes.
1091 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1093 * configure: Regenerated to track ../common/aclocal.m4 changes.
1095 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1097 * configure: Re-generate.
1099 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
1101 * configure: Regenerate to track ../common/aclocal.m4 changes.
1103 Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
1105 * interp.c (sim_open): New SIM_DESC result. Argument is now
1107 (other sim_*): New SIM_DESC argument.
1109 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
1111 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
1112 COMMON_{PRE,POST}_CONFIG_FRAG instead.
1113 * configure.in: sinclude ../common/aclocal.m4.
1114 * configure: Regenerated.
1116 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
1118 * configure configure.in Makefile.in: Update to new configure
1119 scheme which is more compatible with WinGDB builds.
1120 * configure.in: Improve comment on how to run autoconf.
1121 * configure: Re-run autoconf to get new ../common/aclocal.m4.
1122 * Makefile.in: Use autoconf substitution to install common
1125 Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1127 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
1130 Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
1132 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
1133 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
1134 SYS_gettimeofday and SYS_utime from MSVC.
1136 Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1138 * simops.c (OP_10007E0): Know that kill encodes the signal number
1139 via: 0xdead0000 | signal and turn it back into a signal.
1141 Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1143 * v850_sim.h (SIG_V850_EXIT): Define as -1.
1145 * interp.c (sim_open): Cast calloc function.
1146 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
1147 program exited with the appropriate exit code.
1148 (sim_set_interrupt): Declare buildargv.
1150 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
1151 type correct and work on big endian systems.
1153 Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
1155 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
1156 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1157 * configure.in: Simplify using macros in ../common/aclocal.m4.
1158 Call AC_CHECK_HEADERS(unistd.h).
1159 * configure: Regenerated.
1160 * config.in: New file.
1161 * simops.c: #include "config.h". #include <unistd.h> if present.
1163 Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
1165 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
1166 (EIPC, etc): New macros for system registers.
1167 * simops.c, interp.c: Use everywhere.
1169 * interp.c: Add support for interrupts issued by interrupt
1170 generators, either PC- or time-based. Controlled by simulator
1171 command "sim interrupt".
1173 * interp.c: Add support for variable-size allocation of memory,
1174 via simulator command "sim memory-map".
1175 (map): Issue SIGSEGV for references to invalid memory regions.
1177 Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
1179 * simops.c: Include <sys/time.h> for struct timeval and
1182 Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
1184 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
1186 * simops.c (OP_10007E0): Handle SYS_time.
1188 Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
1190 * simops.c: Include <sys/stat.h>.
1191 (OP_10007E0): Handle SYS_stat.
1193 Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
1195 * simops.c (OP_10007E0): Don't declare errno.
1197 * simops.c (OP_500): Mask off low bit in displacement
1199 (OP_501): Similarly.
1201 * simops.c (OP_500): Fix displacement handling for sld.w.
1202 (OP_501): Similarly for sst.w.
1204 * simops.c (trace_input): Remove all references to SEXT7.
1205 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
1206 is zero extended for sst/sld instructions.
1207 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
1208 was incorrect anyway).
1210 Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1212 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
1214 * gencode.c (write_opcodes): Pad operands field to account for
1216 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
1217 doesn't support it. (Why is this here in the first place?!?)
1218 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
1219 Change number of operands in struct simops from 9 to 6. Define
1220 SIGTRAP and SIGQUIT for MSVC.
1222 Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
1224 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
1225 * (map): Add support for external mem in the 1->2 meg range.
1226 Also, abort() when memory access is way out of bounds. (Better to
1227 die than to give wrong result. (This will be fixed later.))
1228 * (sim_size): MEM_SIZE is now bytes, not shift factor.
1230 Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
1232 * simops.c (trace_input): Swapped order of operands for output
1233 output of OP_IMM_REG. Changed the fetching of the operands for
1234 OP_LOAD32, and OP_STORE32 to work like op-function.
1236 Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1238 * interp.c: Move includes of remote-sim.h and callback.h to
1240 * (lookup_hash): Add PC to report of hash failure.
1241 * (map load_mem store_mem): New memory subsystem. Models V851
1243 * (sim_write sim_read): Use new memory subsystem.
1244 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
1245 to make user-defined traps work right.
1246 * simops.c (OP_*): Use new memory subsystem.
1247 * (OP_14007E0 (reti)): Implement reti.
1248 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
1249 trap 31. Use new memory subsystem.
1250 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
1251 load_mem in RLW macro.
1253 Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
1255 * gencode.c (write_opcodes): Output hex values for opcode mask
1257 * interp.c (sim_resume): Save and restore PC from the appropriate
1259 * (sim_fetch_register sim_store_register): Fix byte-order problem
1260 with reading and writing registers.
1261 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
1263 Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
1265 * simops.c (trace_input): Fix thinko.
1267 Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1269 * simops.c (exec_bfd): Rename from sim_bfd.
1270 (trace_input): Ditto.
1272 Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1274 * simops.c (trace_input): Use find_nearest_line to print line
1275 number, function name or file name of PC.
1277 Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1279 * simops.c: Add tracing support. Use SEXTxx macros instead of
1280 doing hardwired shifts.
1282 * configure.in (--enable-sim-cflags): Add switch to add additional
1283 flags to simulator buld. If --enable-sim-cflags=trace, turn on
1285 * configure: Regenerate.
1287 * Makefile.in: Don't require a VPATH capable make if configuring
1288 in the same directory. Don't use CFLAGS for configuration flags.
1289 Add flags from --enable-sim-cflags. Support canadian cross
1290 builds. Rebuild whole simulator if include files change.
1292 * interp.c (v850_debug): New global for debugging.
1293 (lookup_hash,sim_size,sim_set_profile): Use
1294 printf_filtered callback, instead of calling printf directly.
1295 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
1297 * v850_sim.h: Use limits.h to set the various sized types.
1298 (SEXT{5,7,16,22}): New macros.
1300 Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
1302 * interp.c (hash): Make this an inline function
1303 when compiling with GCC. Simplify.
1304 * simpos.c: Explicitly include "sys/syscall.h". Remove
1305 some #if 0'd code. Enable more emulated syscalls.
1307 Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
1309 * interp.c: Fix sign bit handling for add and sub instructions.
1311 Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
1313 * gencode.c: Fix various indention & style problems.
1314 Remove test code. Remove #if 0 code.
1315 * interp.c: Provide prototypes for all static functions.
1316 Fix minor indention problems.
1317 (sim_open, sim_resume): Remove unused variables.
1318 (sim_read): Return type is "int".
1319 * simops.c: Remove unused variables.
1320 (divh): Make result of divide-by-zero zero.
1321 (setf): Initialize result to keep compiler quiet.
1322 (sar instructions): These just clear the overflow bit.
1323 * v850_sim.h: Provide prototypes for put_byte, put_half
1326 * interp.c: OP should be an array of 32bit operands!
1327 (v850_callback): Declare.
1328 (do_format_5): Fix extraction of OP[0].
1329 (sim_size): Remove debugging printf.
1330 (sim_set_callbacks): Do something useful.
1331 (sim_stop_reason): Gross hacks to get c-torture running.
1332 * simops.c: Simplify code for computing targets of bCC
1333 insns. Invert 's' bit if 'ov' bit is set for some
1334 instructions. Fix 'cy' bit handling for numerous
1335 instructions. Make the simulator stop when a halt
1336 instruction is encountered. Very crude support for
1337 emulated syscalls (trap 0).
1338 * v850_sim.h: Include "callback.h" and declare
1339 v850_callback. Items in the operand array are 32bits.
1341 Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
1343 * interp.c (sim_resume): Fix code to check for a format 3
1345 * simops.c: bCC insns only argument is a constant, not a
1346 register value (duh...)
1348 Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
1350 * simops.c: Fix "not1" and "set1".
1352 * simops.c: Don't forget to initialize temp for
1355 * interp.c: Remove various debugging printfs.
1357 * simops.c: Fix satadd, satsub boundary case handling.
1359 * interp.c (hash): Fix.
1360 * interp.c (do_format_8): Get operands correctly and
1361 call the target function.
1362 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1364 Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
1366 * interp.c (do_format_4): Get operands correctly and
1367 call the target function.
1368 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1369 "sst.h", and "sst.w".
1371 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
1372 accordingly. Remove many unused definitions.
1373 * interp.c: The V850 doesn't have split I&D spaces. Change
1375 (get_longlong, get_longword, get_word): Deleted.
1376 (write_longlong, write_longword, write_word): Deleted.
1377 (get_operands): Deleted.
1378 (get_byte, get_half, get_word): New functions.
1379 (put_byte, put_half, put_word): New functions.
1380 * simops.c: Remove unused functions. Rough cut at
1381 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1383 * v850_sim.h (struct _state): Remove "psw" field. Add
1385 (PSW): Remove bogus definition.
1386 * simops.c: Change condition code handling to use the psw
1387 register within the sregs array. Handle "ldsr" and "stsr".
1389 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1391 * interp.c (do_format_5): Get operands correctly and
1392 call the target function.
1393 (sim_resume): Don't do a PC update for format 5 instructions.
1394 * simops.c: Handle "jarl" and "jmp" instructions.
1396 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
1397 "di", and "ei" instructions correctly.
1399 * interp.c (do_format_3): Get operands correctly and call
1400 the target function.
1401 * simops.c: Handle bCC instructions.
1403 * simops.c: Add condition code handling to shift insns.
1404 Fix minor typos in condition code handling for other insns.
1406 * Makefile.in: Fix typo.
1407 * simops.c: Add condition code handling to "sub" "subr" and
1408 "divh" instructions.
1410 * interp.c (hash): Update to be more accurate.
1411 (lookup_hash): Call hash rather than computing the hash
1413 (do_format_1_2): Handle format 1 and format 2 instructions.
1414 Get operands correctly and call the target function.
1415 (do_format_6): Get operands correctly and call the target
1417 (do_formats_9_10): Rough cut so shift ops will work.
1418 (sim_resume): Tweak to deal with format 1 and format 2
1419 handling in a single funtion. Don't update the PC
1420 for format 3 insns. Fix typos.
1421 * simops.c: Slightly reorganize. Add condition code handling
1422 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1423 and "not" instructions.
1424 * v850_sim.h (reg_t): Registers are 32bits.
1425 (_state): The V850 has 32 general registers. Add a 32bit
1426 psw and pc register too. Add accessor macros
1428 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1429 changes from the d10v simulator.
1431 * simops.c: Add shift support.
1433 * simops.c: Add multiply & divide support. Abort for system
1436 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1437 and subr. No condition codes yet.
1439 Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
1441 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1442 gencode.c, interp.c, simops.c: Created.