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Fix invalid left shift of negative value
[thirdparty/binutils-gdb.git] / sim / mips / ChangeLog
CommitLineData
1d19cae7
DV
12015-12-15 Dominik Vogt <vogt@linux.vnet.ibm.com>
2
3 * micromips.igen (process_isa_mode): Fix left shift of negative
4 value.
5
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62015-11-17 Mike Frysinger <vapier@gentoo.org>
7
8 * sim-main.h (WITH_MODULO_MEMORY): Delete.
9
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102015-11-15 Mike Frysinger <vapier@gentoo.org>
11
12 * Makefile.in (SIM_OBJS): Delete sim-reason.o and sim-stop.o.
13
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142015-11-14 Mike Frysinger <vapier@gentoo.org>
15
16 * interp.c (sim_close): Rename to ...
17 (mips_sim_close): ... this. Delete calls to sim_module_uninstall and
18 sim_io_shutdown.
19 * sim-main.h (mips_sim_close): Declare.
20 (SIM_CLOSE_HOOK): Define.
21
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222015-09-25 Andrew Bennett <andrew.bennett@imgtec.com>
23 Ali Lown <ali.lown@imgtec.com>
24
25 * Makefile.in (tmp-micromips): New rule.
26 (tmp-mach-multi): Add support for micromips.
27 * configure.ac (mips*-sde-elf* | mips*-mti-elf*): Made a multi sim
28 that works for both mips64 and micromips64.
29 (mipsisa32r2*-*-*): Made a multi sim that works for mips32 and
30 micromips32.
31 Add build support for micromips.
32 * dsp.igen (do_ph_s_absq, do_w_s_absq, do_qb_s_absq, do_addsc,
33 do_addwc, do_bitrev, do_extpv, do_extrv, do_extrv_s_h, do_insv,
34 do_lxx do_modsub, do_mthlip, do_mulsaq_s_w_ph, do_ph_packrl, do_qb_pick
35 do_ph_pick, do_qb_ph_precequ, do_qb_ph_preceu, do_w_preceq
36 do_w_ph_precrq, do_ph_qb_precrq, do_w_ph_rs_precrq do_qb_w_raddu,
37 do_rddsp, do_repl, do_shilov, do_ph_shl, do_qb_shl do_w_s_shllv,
38 do_ph_shrlv, do_w_r_shrav, do_wrdsp, do_qb_shrav, do_append,
39 do_balign, do_ph_w_mulsa, do_ph_qb_precr, do_prepend): New functions.
40 Refactored instruction code to use these functions.
41 * dsp2.igen: Refactored instruction code to use the new functions.
42 * interp.c (decode_coproc): Refactored to work with any instruction
43 encoding.
44 (isa_mode): New variable
45 (RSVD_INSTRUCTION): Changed to 0x00000039.
46 * m16.igen (BREAK16): Refactored instruction to use do_break16.
47 (JALX32): Add mips32, mips64, mips32r2 and mips64r2 models.
48 * micromips.dc: New file.
49 * micromips.igen: New file.
50 * micromips16.dc: New file.
51 * micromipsdsp.igen: New file.
52 * micromipsrun.c: New file.
53 * mips.igen (do_swc1): Changed to work with any instruction encoding.
54 (do_add do_addi do_andi do_dadd do_daddi do_dsll32 do_dsra32
55 do_dsrl32, do_dsub, do_break, do_break16, do_clo, do_clz, do_dclo,
56 do_dclz, do_lb, do_lh, do_lwr, do_lwl, do_lwc, do_lw, do_lwu, do_lhu,
57 do_ldc, do_lbu, do_ll, do_lld, do_lui, do_madd, do_dsp_madd, do_maddu,
58 do_dsp_maddu, do_dsp_mfhi, do_dsp_mflo, do_movn, do_movz, do_msub,
59 do_dsp_msub, do_msubu, do_dsp_msubu, do_mthi, do_dsp_mthi, do_mtlo,
60 do_dsp_mtlo, do_mul, do_dsp_mult, do_dsp_multu, do_pref, do_sc,
61 do_scd, do_sub, do_sw, do_teq, do_teqi, do_tge, do_tgei, do_tgeiu,
62 do_tgeu, do_tlt do_tlti, do_tltiu, do_tltu, do_tne, do_tnei, do_abs_fmt,
63 do_add_fmt, do_alnv_ps, do_c_cond_fmt, do_ceil_fmt, do_cfc1, do_ctc1,
64 do_cvt_d_fmt, do_cvt_l_fmt, do_cvt_ps_s, do_cvt_s_fmt, do_cvt_s_pl,
65 do_cvt_s_pu, do_cvt_w_fmt, do_div_fmt, do_dmfc1b, do_dmtc1b, do_floor_fmt,
66 do_luxc1_32, do_luxc1_64, do_lwc1, do_lwxc1, do_madd_fmt, do_mfc1b,
67 do_mov_fmt, do_movtf, do_movtf_fmt, do_movn_fmt, do_movz_fmt, do_msub_fmt,
68 do_mtc1b, do_mul_fmt, do_neg_fmt, do_nmadd_fmt, do_nmsub_fmt, do_pll_ps,
69 do_plu_ps, do_pul_ps, do_puu_ps, do_recip_fmt, do_round_fmt, do_rsqrt_fmt,
70 do_prefx, do_sdc1, do_suxc1_32, do_suxc1_64, do_sqrt_fmt, do_sub_fmt,
71 do_swc1, do_swxc1, do_trunc_fmt): New functions, refactored from existing
72 instructions.
73 Refactored instruction code to use these functions.
74 (RSVD): Changed to use new reserved instruction.
75 (loadstore_ea, not_word_value, unpredictable, check_mt_hilo,
76 check_mf_hilo, check_mult_hilo, check_div_hilo, check_u64, do_luxc1_32,
77 do_sdc1, do_suxc1_32, check_fmt_p, check_fpu, do_load_double,
78 do_store_double): Added micromips32 and micromips64 models.
79 Added include for micromips.igen and micromipsdsp.igen
80 Add micromips32 and micromips64 models.
81 (DecodeCoproc): Updated to use new macro definition.
82 * mips3264r2.igen (do_dsbh, do_dshd, do_dext, do_dextm, do_dextu, do_di,
83 do_dins, do_dinsm, do_ei, do_ext, do_mfhc1, do_mthc1, do_ins, do_dinsu,
84 do_seb, do_seh do_rdhwr, do_wsbh): New functions.
85 Refactored instruction code to use these functions.
86 * sim-main.h (CP0_operation): New enum.
87 (DecodeCoproc): Updated macro.
88 (IMEM32_MICROMIPS, IMEM16_MICROMIPS, MICROMIPS_MINOR_OPCODE,
89 MICROMIPS_DELAYSLOT_SIZE_ANY, MICROMIPS_DELAYSLOT_SIZE_16,
90 MICROMIPS_DELAYSLOT_SIZE_32, ISA_MODE_MIPS32 and
91 ISA_MODE_MICROMIPS): New defines.
92 (sim_state): Add isa_mode field.
93
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942015-06-23 Mike Frysinger <vapier@gentoo.org>
95
96 * configure: Regenerate.
97
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982015-06-12 Mike Frysinger <vapier@gentoo.org>
99
100 * configure.ac: Change configure.in to configure.ac.
101 * configure: Regenerate.
102
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1032015-06-12 Mike Frysinger <vapier@gentoo.org>
104
105 * configure: Regenerate.
106
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1072015-06-12 Mike Frysinger <vapier@gentoo.org>
108
109 * interp.c [TRACE]: Delete.
110 (TRACE): Change to WITH_TRACE_ANY_P.
111 [!WITH_TRACE_ANY_P] (open_trace): Define.
112 (mips_option_handler, open_trace, sim_close, dotrace):
113 Change defined(TRACE) to WITH_TRACE_ANY_P.
114 (sim_open): Delete TRACE ifdef check.
115 * sim-main.c (load_memory): Delete TRACE ifdef check.
116 (store_memory): Likewise.
117 * sim-main.h [WITH_TRACE_ANY_P] (dotrace, tracefh): Protect decls.
118 [!WITH_TRACE_ANY_P] (dotrace): Define.
119
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1202015-04-18 Mike Frysinger <vapier@gentoo.org>
121
122 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESTART_HOOK): Delete
123 comments.
124
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1252015-04-18 Mike Frysinger <vapier@gentoo.org>
126
127 * sim-main.h (SIM_CPU): Delete.
128
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1292015-04-18 Mike Frysinger <vapier@gentoo.org>
130
131 * sim-main.h (sim_cia): Delete.
132
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1332015-04-17 Mike Frysinger <vapier@gentoo.org>
134
135 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Change CIA_GET to
136 PU_PC_GET.
137 * interp.c (interrupt_event): Change CIA_GET to CPU_PC_GET.
138 (sim_create_inferior): Change CIA_SET to CPU_PC_SET.
139 * m16run.c (sim_engine_run): Change CIA_GET to CPU_PC_GET and
140 CIA_SET to CPU_PC_SET.
141 * sim-main.h (CIA_GET, CIA_SET): Delete.
142
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1432015-04-15 Mike Frysinger <vapier@gentoo.org>
144
145 * Makefile.in (SIM_OBJS): Delete sim-cpu.o.
146 * sim-main.h (STATE_CPU): Delete.
147
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1482015-04-13 Mike Frysinger <vapier@gentoo.org>
149
150 * configure: Regenerate.
151
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1522015-04-13 Mike Frysinger <vapier@gentoo.org>
153
154 * Makefile.in (SIM_OBJS): Add sim-cpu.o.
155 * interp.c (mips_pc_get, mips_pc_set): New functions.
156 (sim_open): Declare new local var i. Call sim_cpu_alloc_all.
157 Call CPU_PC_FETCH & CPU_PC_STORE for all cpus.
158 (sim_pc_get): Delete.
159 * sim-main.h (SIM_CPU): Define.
160 (struct sim_state): Change cpu to an array of pointers.
161 (STATE_CPU): Drop &.
162
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1632015-04-13 Mike Frysinger <vapier@gentoo.org>
164
165 * interp.c (mips_option_handler, open_trace, sim_close,
166 sim_write, sim_read, sim_store_register, sim_fetch_register,
167 sim_create_inferior, pr_addr, pr_uword64): Convert old style
168 prototypes.
169 (sim_open): Convert old style prototype. Change casts with
170 sim_write to unsigned char *.
171 (fetch_str): Change null to unsigned char, and change cast to
172 unsigned char *.
173 (sim_monitor): Change c & ch to unsigned char. Change cast to
174 unsigned char *.
175
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1762015-04-12 Mike Frysinger <vapier@gentoo.org>
177
178 * Makefile.in (SIM_OBJS): Move interp.o to the start of the list.
179
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1802015-04-06 Mike Frysinger <vapier@gentoo.org>
181
182 * Makefile.in (SIM_OBJS): Delete sim-engine.o.
183
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1842015-04-01 Mike Frysinger <vapier@gentoo.org>
185
186 * tconfig.h (SIM_HAVE_PROFILE): Delete.
187
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1882015-03-31 Mike Frysinger <vapier@gentoo.org>
189
190 * config.in, configure: Regenerate.
191
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1922015-03-24 Mike Frysinger <vapier@gentoo.org>
193
194 * interp.c (sim_pc_get): New function.
195
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1962015-03-24 Mike Frysinger <vapier@gentoo.org>
197
198 * sim-main.h (SIM_HAVE_BIENDIAN): Delete.
199 * tconfig.h (SIM_HAVE_BIENDIAN): Delete.
200
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2012015-03-24 Mike Frysinger <vapier@gentoo.org>
202
203 * configure: Regenerate.
204
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2052015-03-23 Mike Frysinger <vapier@gentoo.org>
206
207 * configure: Regenerate.
208
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2092015-03-23 Mike Frysinger <vapier@gentoo.org>
210
211 * configure: Regenerate.
212 * configure.ac (mips_extra_objs): Delete.
213 * Makefile.in (MIPS_EXTRA_OBJS): Delete.
214 (SIM_OBJS): Delete MIPS_EXTRA_OBJS.
215
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2162015-03-23 Mike Frysinger <vapier@gentoo.org>
217
218 * configure: Regenerate.
219 * configure.ac: Delete sim_hw checks for dv-sockser.
220
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2212015-03-16 Mike Frysinger <vapier@gentoo.org>
222
223 * config.in, configure: Regenerate.
224 * tconfig.in: Rename file ...
225 * tconfig.h: ... here.
226
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2272015-03-15 Mike Frysinger <vapier@gentoo.org>
228
229 * tconfig.in: Delete includes.
230 [HAVE_DV_SOCKSER]: Delete.
231
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2322015-03-14 Mike Frysinger <vapier@gentoo.org>
233
234 * Makefile.in (SIM_RUN_OBJS): Delete.
235
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2362015-03-14 Mike Frysinger <vapier@gentoo.org>
237
238 * configure.ac (AC_CHECK_HEADERS): Delete.
239 * aclocal.m4, configure: Regenerate.
240
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2412014-08-19 Alan Modra <amodra@gmail.com>
242
243 * configure: Regenerate.
244
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2452014-08-15 Roland McGrath <mcgrathr@google.com>
246
247 * configure: Regenerate.
248 * config.in: Regenerate.
249
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2502014-03-04 Mike Frysinger <vapier@gentoo.org>
251
252 * configure: Regenerate.
253
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2542013-09-23 Alan Modra <amodra@gmail.com>
255
256 * configure: Regenerate.
257
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2582013-06-03 Mike Frysinger <vapier@gentoo.org>
259
260 * aclocal.m4, configure: Regenerate.
261
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2622013-05-10 Freddie Chopin <freddie_chopin@op.pl>
263
264 * configure: Rebuild.
265
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2662013-03-26 Mike Frysinger <vapier@gentoo.org>
267
268 * configure: Regenerate.
269
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2702013-03-23 Joel Sherrill <joel.sherrill@oarcorp.com>
271
272 * configure.ac: Address use of dv-sockser.o.
273 * tconfig.in: Conditionalize use of dv_sockser_install.
274 * configure: Regenerated.
275 * config.in: Regenerated.
276
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2772012-10-04 Chao-ying Fu <fu@mips.com>
278 Steve Ellcey <sellcey@mips.com>
279
280 * mips/mips3264r2.igen (rdhwr): New.
281
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2822012-09-03 Joel Sherrill <joel.sherrill@oarcorp.com>
283
284 * configure.ac: Always link against dv-sockser.o.
285 * configure: Regenerate.
286
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2872012-06-15 Joel Brobecker <brobecker@adacore.com>
288
289 * config.in, configure: Regenerate.
290
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2912012-05-18 Nick Clifton <nickc@redhat.com>
292
293 PR 14072
294 * interp.c: Include config.h before system header files.
295
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2962012-03-24 Mike Frysinger <vapier@gentoo.org>
297
298 * aclocal.m4, config.in, configure: Regenerate.
299
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3002011-12-03 Mike Frysinger <vapier@gentoo.org>
301
302 * aclocal.m4: New file.
303 * configure: Regenerate.
304
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3052011-10-19 Mike Frysinger <vapier@gentoo.org>
306
307 * configure: Regenerate after common/acinclude.m4 update.
308
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3092011-10-17 Mike Frysinger <vapier@gentoo.org>
310
311 * configure.ac: Change include to common/acinclude.m4.
312
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3132011-10-17 Mike Frysinger <vapier@gentoo.org>
314
315 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
316 call. Replace common.m4 include with SIM_AC_COMMON.
317 * configure: Regenerate.
318
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3192011-07-08 Hans-Peter Nilsson <hp@axis.com>
320
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321 * Makefile.in ($(SIM_MULTI_OBJ)): Depend on sim-main.h
322 $(SIM_EXTRA_DEPS).
323 (tmp-mach-multi): Exit early when igen fails.
31b28250 324
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3252011-07-05 Mike Frysinger <vapier@gentoo.org>
326
327 * interp.c (sim_do_command): Delete.
328
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3292011-02-14 Mike Frysinger <vapier@gentoo.org>
330
331 * dv-tx3904sio.c (tx3904sio_fifo_push): Change zfree to free.
332 (tx3904sio_fifo_reset): Likewise.
333 * interp.c (sim_monitor): Likewise.
334
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3352010-04-14 Mike Frysinger <vapier@gentoo.org>
336
337 * interp.c (sim_write): Add const to buffer arg.
338
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3392010-01-18 Masaki Muranaka <monaka@monami-software.com> (tiny change)
340
341 * interp.c: Don't include sysdep.h
342
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3432010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
344
345 * configure: Regenerate.
346
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3472009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
348
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349 * config.in: Regenerate.
350 * configure: Likewise.
351
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352 * configure: Regenerate.
353
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3542008-07-11 Hans-Peter Nilsson <hp@axis.com>
355
356 * configure: Regenerate to track ../common/common.m4 changes.
357 * config.in: Ditto.
358
6efef468 3592008-06-06 Vladimir Prus <vladimir@codesourcery.com>
72f4393d
L
360 Daniel Jacobowitz <dan@codesourcery.com>
361 Joseph Myers <joseph@codesourcery.com>
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JM
362
363 * configure: Regenerate.
364
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3652007-10-22 Richard Sandiford <rsandifo@nildram.co.uk>
366
367 * mips.igen (check_fmt_p): Provide a separate mips32r2 definition
368 that unconditionally allows fmt_ps.
369 (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL, CVT.S.PU)
370 (FLOOR.L.fmt, LWXC1, MADD.fmt, MSUB.fmt, NMADD.fmt, NMSUB.fmt)
371 (PLL.PS, PLU.PS, PUL.PS, PUU.PS, ROUND.L.fmt, TRUNC.L.fmt): Change
372 filter from 64,f to 32,f.
373 (PREFX): Change filter from 64 to 32.
374 (LDXC1, LUXC1): Provide separate mips32r2 implementations
375 that use do_load_double instead of do_load. Make both LUXC1
376 versions unpredictable if SizeFGR () != 64.
377 (SDXC1, SUXC1): Extend to mips32r2, using do_store_double
378 instead of do_store. Remove unused variable. Make both SUXC1
379 versions unpredictable if SizeFGR () != 64.
380
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3812007-10-07 Richard Sandiford <rsandifo@nildram.co.uk>
382
383 * mips.igen (ll): Fix mask for WITH_TARGET_WORD_BITSIZE == 32.
384 (sc, swxc1): Likewise. Also fix big-endian and reverse-endian
385 shifts for that case.
386
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3872007-09-04 Nick Clifton <nickc@redhat.com>
388
389 * interp.c (options enum): Add OPTION_INFO_MEMORY.
390 (display_mem_info): New static variable.
391 (mips_option_handler): Handle OPTION_INFO_MEMORY.
392 (mips_options): Add info-memory and memory-info.
393 (sim_open): After processing the command line and board
394 specification, check display_mem_info. If it is set then
395 call the real handler for the --memory-info command line
396 switch.
397
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3982007-08-24 Joel Brobecker <brobecker@adacore.com>
399
400 * configure.ac: Change license of multi-run.c to GPL version 3.
401 * configure: Regenerate.
402
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4032007-06-28 Richard Sandiford <richard@codesourcery.com>
404
405 * configure.ac, configure: Revert last patch.
406
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4072007-06-26 Richard Sandiford <richard@codesourcery.com>
408
409 * configure.ac (sim_mipsisa3264_configs): New variable.
410 (mipsis32*-*-, mipsisa32r2*-*-*, mips64*-*-*, mips64r2*-*-*): Make
411 every configuration support all four targets, using the triplet to
412 determine the default.
413 * configure: Regenerate.
414
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4152007-06-25 Richard Sandiford <richard@codesourcery.com>
416
0a7692b2 417 * Makefile.in (m16run.o): New rule.
efdcccc9 418
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4192007-05-15 Thiemo Seufer <ths@mips.com>
420
421 * mips3264r2.igen (DSHD): Fix compile warning.
422
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4232007-05-14 Thiemo Seufer <ths@mips.com>
424
425 * mips.igen (ALNV.PS, CEIL.L.fmt, CVT.L.fmt, CVT.PS.S, CVT.S.PL,
426 CVT.S.PU, FLOOR.L.fmt, LDXC1, LUXC1, LWXC1, MADD.fmt, MSUB.fmt,
427 NMADD.fmt, NMSUB.fmt, PLL.PS, PLU.PS, PREFX, PUL.PS, PUU.PS,
428 RECIP.fmt, ROUND.L.fmt, RSQRT.fmt, SWXC1, TRUNC.L.fmt): Add support
429 for mips32r2.
430
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4312007-03-01 Thiemo Seufer <ths@mips.com>
432
433 * mips.igen (MFHI, MFLO, MTHI, MTLO): Restore support for mips32
434 and mips64.
435
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4362007-02-20 Thiemo Seufer <ths@mips.com>
437
438 * dsp.igen: Update copyright notice.
439 * dsp2.igen: Fix copyright notice.
440
8b082fb1 4412007-02-20 Thiemo Seufer <ths@mips.com>
72f4393d 442 Chao-Ying Fu <fu@mips.com>
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443
444 * Makefile.in (IGEN_INCLUDE): Add dsp2.igen.
445 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
446 Add dsp2 to sim_igen_machine.
447 * configure: Regenerate.
448 * dsp.igen (do_ph_op): Add MUL support when op = 2.
449 (do_ph_mulq): New function to support mulq_rs.ph and mulq_s.ph.
450 (mulq_rs.ph): Use do_ph_mulq.
451 (MFHI, MFLO, MTHI, MTLO): Move these instructions to mips.igen.
452 * mips.igen: Add dsp2 model and include dsp2.igen.
453 (MFHI, MFLO, MTHI, MTLO): Extend these instructions for
454 for *mips32r2, *mips64r2, *dsp.
455 (MADD, MADDU, MSUB, MSUBU, MULT, MULTU): Extend these instructions
456 for *mips32r2, *mips64r2, *dsp2.
457 * dsp2.igen: New file for MIPS DSP REV 2 ASE.
458
b1004875 4592007-02-19 Thiemo Seufer <ths@mips.com>
72f4393d 460 Nigel Stephens <nigel@mips.com>
b1004875
TS
461
462 * mips.igen (jalr.hb, jr.hb): Add decoder for mip32r2/mips64r2
463 jumps with hazard barrier.
464
f8df4c77 4652007-02-19 Thiemo Seufer <ths@mips.com>
72f4393d 466 Nigel Stephens <nigel@mips.com>
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467
468 * interp.c (sim_monitor): Flush stdout and stderr file descriptors
469 after each call to sim_io_write.
470
b1004875 4712007-02-19 Thiemo Seufer <ths@mips.com>
72f4393d 472 Nigel Stephens <nigel@mips.com>
b1004875
TS
473
474 * interp.c (ColdReset): Set CP0 Config0 to reflect the address size
475 supported by this simulator.
07802d98
TS
476 (decode_coproc): Recognise additional CP0 Config registers
477 correctly.
478
14fb6c5a 4792007-02-19 Thiemo Seufer <ths@mips.com>
72f4393d
L
480 Nigel Stephens <nigel@mips.com>
481 David Ung <davidu@mips.com>
14fb6c5a
TS
482
483 * cp1.c (value_fpr): Don't inherit existing FPR_STATE for
484 uninterpreted formats. If fmt is one of the uninterpreted types
485 don't update the FPR_STATE. Handle fmt_uninterpreted_32 like
486 fmt_word, and fmt_uninterpreted_64 like fmt_long.
487 (store_fpr): When writing an invalid odd register, set the
488 matching even register to fmt_unknown, not the following register.
489 * interp.c (sim_open): If STATE_MEM_SIZE isn't set then set it to
490 the the memory window at offset 0 set by --memory-size command
491 line option.
492 (sim_store_register): Handle storing 4 bytes to an 8 byte floating
493 point register.
494 (sim_fetch_register): Likewise for reading 4 bytes from an 8 byte
495 register.
496 (sim_monitor): When returning the memory size to the MIPS
497 application, use the value in STATE_MEM_SIZE, not an arbitrary
498 hardcoded value.
499 (cop_lw): Don' mess around with FPR_STATE, just pass
500 fmt_uninterpreted_32 to StoreFPR.
501 (cop_sw): Similarly.
502 (cop_ld): Pass fmt_uninterpreted_64 not fmt_uninterpreted.
503 (cop_sd): Similarly.
504 * mips.igen (not_word_value): Single version for mips32, mips64
505 and mips16.
506
c8847145 5072007-02-19 Thiemo Seufer <ths@mips.com>
72f4393d 508 Nigel Stephens <nigel@mips.com>
c8847145
TS
509
510 * interp.c (MEM_SIZE): Increase default memory size from 2 to 8
511 MBytes.
512
4b5d35ee
TS
5132007-02-17 Thiemo Seufer <ths@mips.com>
514
515 * configure.ac (mips*-sde-elf*): Move in front of generic machine
516 configuration.
517 * configure: Regenerate.
518
3669427c
TS
5192007-02-17 Thiemo Seufer <ths@mips.com>
520
521 * configure.ac (mips*-sde-elf*, mipsisa32r2*-*-*, mipsisa64r2*-*-*):
522 Add mdmx to sim_igen_machine.
523 (mipsisa64*-*-*): Likewise. Remove dsp.
524 (mipsisa32*-*-*): Remove dsp.
525 * configure: Regenerate.
526
109ad085
TS
5272007-02-13 Thiemo Seufer <ths@mips.com>
528
529 * configure.ac: Add mips*-sde-elf* target.
530 * configure: Regenerate.
531
921d7ad3
HPN
5322006-12-21 Hans-Peter Nilsson <hp@axis.com>
533
534 * acconfig.h: Remove.
535 * config.in, configure: Regenerate.
536
02f97da7
TS
5372006-11-07 Thiemo Seufer <ths@mips.com>
538
539 * dsp.igen (do_w_op): Fix compiler warning.
540
2d2733fc 5412006-08-29 Thiemo Seufer <ths@mips.com>
72f4393d 542 David Ung <davidu@mips.com>
2d2733fc
TS
543
544 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*): Add smartmips to
545 sim_igen_machine.
546 * configure: Regenerate.
547 * mips.igen (model): Add smartmips.
548 (MADDU): Increment ACX if carry.
549 (do_mult): Clear ACX.
550 (ROR,RORV): Add smartmips.
72f4393d 551 (include): Include smartmips.igen.
2d2733fc
TS
552 * sim-main.h (ACX): Set to REGISTERS[89].
553 * smartmips.igen: New file.
554
d85c3a10 5552006-08-29 Thiemo Seufer <ths@mips.com>
72f4393d 556 David Ung <davidu@mips.com>
d85c3a10
TS
557
558 * Makefile.in (IGEN_INCLUDE): Add missing includes for m16e.igen and
559 mips3264r2.igen. Add missing dependency rules.
560 * m16e.igen: Support for mips16e save/restore instructions.
561
e85e3205
RE
5622006-06-13 Richard Earnshaw <rearnsha@arm.com>
563
564 * configure: Regenerated.
565
2f0122dc
DJ
5662006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
567
568 * configure: Regenerated.
569
20e95c23
DJ
5702006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
571
572 * configure: Regenerated.
573
69088b17
CF
5742006-05-15 Chao-ying Fu <fu@mips.com>
575
576 * dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding instructions.
577
0275de4e
NC
5782006-04-18 Nick Clifton <nickc@redhat.com>
579
580 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Add missing break
581 statement.
582
b3a3ffef
HPN
5832006-03-29 Hans-Peter Nilsson <hp@axis.com>
584
585 * configure: Regenerate.
586
40a5538e
CF
5872005-12-14 Chao-ying Fu <fu@mips.com>
588
589 * Makefile.in (SIM_OBJS): Add dsp.o.
590 (dsp.o): New dependency.
591 (IGEN_INCLUDE): Add dsp.igen.
592 * configure.ac (mipsisa32r2*-*-*, mipsisa32*-*-*, mipsisa64r2*-*-*,
593 mipsisa64*-*-*): Add dsp to sim_igen_machine.
594 * configure: Regenerate.
595 * mips.igen: Add dsp model and include dsp.igen.
596 (MFHI, MFLO, MTHI, MTLO): Remove mips32, mips32r2, mips64, mips64r2,
597 because these instructions are extended in DSP ASE.
598 * sim-main.h (LAST_EMBED_REGNUM): Change from 89 to 96 because of
599 adding 6 DSP accumulator registers and 1 DSP control register.
600 (AC0LOIDX, AC0HIIDX, AC1LOIDX, AC1HIIDX, AC2LOIDX, AC2HIIDX, AC3LOIDX,
601 AC3HIIDX, DSPLO, DSPHI, DSPCRIDX, DSPCR, DSPCR_POS_SHIFT,
602 DSPCR_POS_MASK, DSPCR_POS_SMASK, DSPCR_SCOUNT_SHIFT, DSPCR_SCOUNT_MASK,
603 DSPCR_SCOUNT_SMASK, DSPCR_CARRY_SHIFT, DSPCR_CARRY_MASK,
604 DSPCR_CARRY_SMASK, DSPCR_CARRY, DSPCR_EFI_SHIFT, DSPCR_EFI_MASK,
605 DSPCR_EFI_SMASK, DSPCR_EFI, DSPCR_OUFLAG_SHIFT, DSPCR_OUFLAG_MASK,
606 DSPCR_OUFLAG_SMASK, DSPCR_OUFLAG4, DSPCR_OUFLAG5, DSPCR_OUFLAG6,
607 DSPCR_OUFLAG7, DSPCR_CCOND_SHIFT, DSPCR_CCOND_MASK,
608 DSPCR_CCOND_SMASK): New define.
609 (DSPLO_REGNUM, DSPHI_REGNUM): New array for DSP accumulators.
610 * dsp.c, dsp.igen: New files for MIPS DSP ASE.
611
21d14896
ILT
6122005-07-08 Ian Lance Taylor <ian@airs.com>
613
614 * tconfig.in (SIM_QUIET_NAN_NEGATED): Define.
615
b16d63da 6162005-06-16 David Ung <davidu@mips.com>
72f4393d
L
617 Nigel Stephens <nigel@mips.com>
618
619 * mips.igen: New mips16e model and include m16e.igen.
620 (check_u64): Add mips16e tag.
621 * m16e.igen: New file for MIPS16e instructions.
622 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
623 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
624 models.
625 * configure: Regenerate.
b16d63da 626
e70cb6cd 6272005-05-26 David Ung <davidu@mips.com>
72f4393d 628
e70cb6cd
CD
629 * mips.igen (mips32r2, mips64r2): New ISA models. Add new model
630 tags to all instructions which are applicable to the new ISAs.
631 (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Add, moved from
632 vr.igen.
633 * mips3264r2.igen: New file for MIPS 32/64 revision 2 specific
72f4393d 634 instructions.
e70cb6cd
CD
635 * vr.igen (do_ror, do_dror, ROR, RORV, DROR, DROR32, DRORV): Move
636 to mips.igen.
637 * configure.ac (mipsisa32r2*-*-*, mipsisa64r2*-*-*): Add new targets.
638 * configure: Regenerate.
72f4393d 639
2b193c4a
MK
6402005-03-23 Mark Kettenis <kettenis@gnu.org>
641
642 * configure: Regenerate.
643
35695fd6
AC
6442005-01-14 Andrew Cagney <cagney@gnu.org>
645
646 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
647 explicit call to AC_CONFIG_HEADER.
648 * configure: Regenerate.
649
f0569246
AC
6502005-01-12 Andrew Cagney <cagney@gnu.org>
651
652 * configure.ac: Update to use ../common/common.m4.
653 * configure: Re-generate.
654
38f48d72
AC
6552005-01-11 Andrew Cagney <cagney@localhost.localdomain>
656
657 * configure: Regenerated to track ../common/aclocal.m4 changes.
658
b7026657
AC
6592005-01-07 Andrew Cagney <cagney@gnu.org>
660
661 * configure.ac: Rename configure.in, require autoconf 2.59.
662 * configure: Re-generate.
663
379832de
HPN
6642004-12-08 Hans-Peter Nilsson <hp@axis.com>
665
666 * configure: Regenerate for ../common/aclocal.m4 update.
667
cd62154c 6682004-09-24 Monika Chaddha <monika@acmet.com>
72f4393d 669
cd62154c
AC
670 Committed by Andrew Cagney.
671 * m16.igen (CMP, CMPI): Fix assembler.
672
e5da76ec
CD
6732004-08-18 Chris Demetriou <cgd@broadcom.com>
674
675 * configure.in (mipsisa64sb1*-*-*): Add mips3d to sim_igen_machine.
676 * configure: Regenerate.
677
139181c8
CD
6782004-06-25 Chris Demetriou <cgd@broadcom.com>
679
680 * configure.in (sim_m16_machine): Include mipsIII.
681 * configure: Regenerate.
682
1a27f959
CD
6832004-05-11 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
684
72f4393d 685 * mips/interp.c (decode_coproc): Sign-extend the address retrieved
1a27f959
CD
686 from COP0_BADVADDR.
687 * mips/sim-main.h (COP0_BADVADDR): Remove a cast.
688
5dbb7b5a
CD
6892004-04-10 Chris Demetriou <cgd@broadcom.com>
690
691 * sb1.igen (DIV.PS, RECIP.PS, RSQRT.PS, SQRT.PS): New.
692
14234056
CD
6932004-04-09 Chris Demetriou <cgd@broadcom.com>
694
695 * mips.igen (check_fmt): Remove.
696 (ABS.fmt, ADD.fmt, C.cond.fmta, C.cond.fmtb, CEIL.L.fmt, CEIL.W)
697 (CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, FLOOR.L.fmt)
698 (FLOOR.W.fmt, MADD.fmt, MOV.fmt, MOVtf.fmt, MOVN.fmt, MOVZ.fmt)
699 (MSUB.fmt, MUL.fmt, NEG.fmt, NMADD.fmt, NMSUB.fmt, RECIP.fmt)
700 (ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt)
701 (TRUNC.L.fmt, TRUNC.W): Explicitly specify allowed FPU formats.
702 (check_fmt_p, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
703 (FLOOR.W.fmt, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt)
704 (SQRT.fmt, TRUNC.L.fmt, TRUNC.W): Remove all uses of check_fmt.
705 (C.cnd.fmta): Remove incorrect call to check_fmt_p.
706
c6f9085c
CD
7072004-04-09 Chris Demetriou <cgd@broadcom.com>
708
709 * sb1.igen (check_sbx): New function.
710 (PABSDIFF.fmt, PABSDIFC.fmt, PAVG.fmt): Use check_sbx.
711
11d66e66 7122004-03-29 Chris Demetriou <cgd@broadcom.com>
0e1b7197
RS
713 Richard Sandiford <rsandifo@redhat.com>
714
715 * sim-main.h (MIPS_MACH_HAS_MT_HILO_HAZARD)
716 (MIPS_MACH_HAS_MULT_HILO_HAZARD, MIPS_MACH_HAS_DIV_HILO_HAZARD): New.
717 * mips.igen (check_mt_hilo, check_mult_hilo, check_div_hilo): Provide
718 separate implementations for mipsIV and mipsV. Use new macros to
719 determine whether the restrictions apply.
720
b3208fb8
CD
7212004-01-19 Chris Demetriou <cgd@broadcom.com>
722
723 * mips.igen (check_mf_cycles, check_mt_hilo, check_mf_hilo)
724 (check_mult_hilo): Improve comments.
725 (check_div_hilo): Likewise. Also, fork off a new version
726 to handle mips32/mips64 (since there are no hazards to check
727 in MIPS32/MIPS64).
728
9a1d84fb
CD
7292003-06-17 Richard Sandiford <rsandifo@redhat.com>
730
731 * mips.igen (do_dmultx): Fix check for negative operands.
732
ae451ac6
ILT
7332003-05-16 Ian Lance Taylor <ian@airs.com>
734
735 * Makefile.in (SHELL): Make sure this is defined.
736 (various): Use $(SHELL) whenever we invoke move-if-change.
737
dd69d292
CD
7382003-05-03 Chris Demetriou <cgd@broadcom.com>
739
740 * cp1.c: Tweak attribution slightly.
741 * cp1.h: Likewise.
742 * mdmx.c: Likewise.
743 * mdmx.igen: Likewise.
744 * mips3d.igen: Likewise.
745 * sb1.igen: Likewise.
746
bcd0068e
CD
7472003-04-15 Richard Sandiford <rsandifo@redhat.com>
748
749 * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of
750 unsigned operands.
751
6b4a8935
AC
7522003-02-27 Andrew Cagney <cagney@redhat.com>
753
601da316
AC
754 * interp.c (sim_open): Rename _bfd to bfd.
755 (sim_create_inferior): Ditto.
6b4a8935 756
d29e330f
CD
7572003-01-14 Chris Demetriou <cgd@broadcom.com>
758
759 * mips.igen (LUXC1, SUXC1): New, for mipsV and mips64.
760
a2353a08
CD
7612003-01-14 Chris Demetriou <cgd@broadcom.com>
762
763 * mips.igen (EI, DI): Remove.
764
80551777
CD
7652003-01-05 Richard Sandiford <rsandifo@redhat.com>
766
767 * Makefile.in (tmp-run-multi): Fix mips16 filter.
768
4c54fc26
CD
7692003-01-04 Richard Sandiford <rsandifo@redhat.com>
770 Andrew Cagney <ac131313@redhat.com>
771 Gavin Romig-Koch <gavin@redhat.com>
772 Graydon Hoare <graydon@redhat.com>
773 Aldy Hernandez <aldyh@redhat.com>
774 Dave Brolley <brolley@redhat.com>
775 Chris Demetriou <cgd@broadcom.com>
776
777 * configure.in (mips64vr*): Define TARGET_ENABLE_FR to 1.
778 (sim_mach_default): New variable.
779 (mips64vr-*-*, mips64vrel-*-*): New configurations.
780 Add a new simulator generator, MULTI.
781 * configure: Regenerate.
782 * Makefile.in (SIM_MULTI_OBJ, SIM_EXTRA_DISTCLEAN): New variables.
783 (multi-run.o): New dependency.
784 (SIM_MULTI_ALL, SIM_MULTI_IGEN_CONFIGS): New variables.
785 (tmp-mach-multi, tmp-itable-multi, tmp-run-multi): New rules.
786 (tmp-multi): Combine them.
787 (BUILT_SRC_FROM_MULTI): New variable. Depend on tmp-multi.
788 (clean-extra): Remove sources in BUILT_SRC_FROM_MULTI.
789 (distclean-extra): New rule.
790 * sim-main.h: Include bfd.h.
791 (MIPS_MACH): New macro.
792 * mips.igen (vr4120, vr5400, vr5500): New models.
793 (clo, clz, dclo, dclz, madd, maddu, msub, msub, mul): Add *vr5500.
794 * vr.igen: Replace with new version.
795
e6c674b8
CD
7962003-01-04 Chris Demetriou <cgd@broadcom.com>
797
798 * configure.in: Use SIM_AC_OPTION_RESERVED_BITS(1).
799 * configure: Regenerate.
800
28f50ac8
CD
8012002-12-31 Chris Demetriou <cgd@broadcom.com>
802
803 * sim-main.h (check_branch_bug, mark_branch_bug): Remove.
804 * mips.igen: Remove all invocations of check_branch_bug and
805 mark_branch_bug.
806
5071ffe6
CD
8072002-12-16 Chris Demetriou <cgd@broadcom.com>
808
72f4393d 809 * tconfig.in: Include "gdb/callback.h" and "gdb/remote-sim.h".
5071ffe6 810
06e7837e
CD
8112002-07-30 Chris Demetriou <cgd@broadcom.com>
812
813 * mips.igen (do_load_double, do_store_double): New functions.
814 (LDC1, SDC1): Rename to...
815 (LDC1b, SDC1b): respectively.
816 (LDC1a, SDC1a): New instructions for MIPS II and MIPS32 support.
817
2265c243
MS
8182002-07-29 Michael Snyder <msnyder@redhat.com>
819
820 * cp1.c (fp_recip2): Modify initialization expression so that
821 GCC will recognize it as constant.
822
a2f8b4f3
CD
8232002-06-18 Chris Demetriou <cgd@broadcom.com>
824
825 * mdmx.c (SD_): Delete.
826 (Unpredictable): Re-define, for now, to directly invoke
827 unpredictable_action().
828 (mdmx_acc_op): Fix error in .ob immediate handling.
829
b4b6c939
AC
8302002-06-18 Andrew Cagney <cagney@redhat.com>
831
832 * interp.c (sim_firmware_command): Initialize `address'.
833
c8cca39f
AC
8342002-06-16 Andrew Cagney <ac131313@redhat.com>
835
836 * configure: Regenerated to track ../common/aclocal.m4 changes.
837
e7e81181 8382002-06-14 Chris Demetriou <cgd@broadcom.com>
72f4393d 839 Ed Satterthwaite <ehs@broadcom.com>
e7e81181
CD
840
841 * mips3d.igen: New file which contains MIPS-3D ASE instructions.
842 * Makefile.in (IGEN_INCLUDE): Add mips3d.igen.
843 * mips.igen: Include mips3d.igen.
844 (mips3d): New model name for MIPS-3D ASE instructions.
845 (CVT.W.fmt): Don't use this instruction for word (source) format
72f4393d 846 instructions.
e7e81181
CD
847 * cp1.c (fp_binary_r, fp_add_r, fp_mul_r, fpu_inv1, fpu_inv1_32)
848 (fpu_inv1_64, fp_recip1, fp_recip2, fpu_inv_sqrt1, fpu_inv_sqrt1_32)
849 (fpu_inv_sqrt1_64, fp_rsqrt1, fp_rsqrt2): New functions.
850 (NR_FRAC_GUARD, IMPLICIT_1): New macros.
851 * sim-main.h (fmt_pw, CompareAbs, AddR, MultiplyR, Recip1, Recip2)
852 (RSquareRoot1, RSquareRoot2): New macros.
853 (fp_add_r, fp_mul_r, fp_recip1, fp_recip2, fp_rsqrt1)
854 (fp_rsqrt2): New functions.
855 * configure.in: Add MIPS-3D support to mipsisa64 simulator.
856 * configure: Regenerate.
857
3a2b820e 8582002-06-13 Chris Demetriou <cgd@broadcom.com>
72f4393d 859 Ed Satterthwaite <ehs@broadcom.com>
3a2b820e
CD
860
861 * cp1.c (FP_PS_upper, FP_PS_lower, FP_PS_cat, FPQNaN_PS): New macros.
862 (value_fpr, store_fpr, fp_cmp, fp_unary, fp_binary, fp_mac)
863 (fp_inv_sqrt, fpu_format_name): Add paired-single support.
864 (convert): Note that this function is not used for paired-single
865 format conversions.
866 (ps_lower, ps_upper, pack_ps, convert_ps): New functions.
867 * mips.igen (FMT, MOVtf.fmt): Add paired-single support.
868 (check_fmt_p): Enable paired-single support.
869 (ALNV.PS, CVT.PS.S, CVT.S.PL, CVT.S.PU, PLL.PS, PLU.PS, PUL.PS)
870 (PUU.PS): New instructions.
871 (CVT.S.fmt): Don't use this instruction for paired-single format
872 destinations.
873 * sim-main.h (FP_formats): New value 'fmt_ps.'
874 (ps_lower, ps_upper, pack_ps, convert_ps): New prototypes.
875 (PSLower, PSUpper, PackPS, ConvertPS): New macros.
876
d18ea9c2
CD
8772002-06-12 Chris Demetriou <cgd@broadcom.com>
878
879 * mips.igen: Fix formatting of function calls in
880 many FP operations.
881
95fd5cee
CD
8822002-06-12 Chris Demetriou <cgd@broadcom.com>
883
884 * mips.igen (MOVN, MOVZ): Trace result.
885 (TNEI): Print "tnei" as the opcode name in traces.
886 (CEIL.W): Add disassembly string for traces.
887 (RSQRT.fmt): Make location of disassembly string consistent
888 with other instructions.
889
4f0d55ae
CD
8902002-06-12 Chris Demetriou <cgd@broadcom.com>
891
892 * mips.igen (X): Delete unused function.
893
3c25f8c7
AC
8942002-06-08 Andrew Cagney <cagney@redhat.com>
895
896 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
897
f3c08b7e 8982002-06-07 Chris Demetriou <cgd@broadcom.com>
72f4393d 899 Ed Satterthwaite <ehs@broadcom.com>
f3c08b7e
CD
900
901 * cp1.c (inner_mac, fp_mac, inner_rsqrt, fp_inv_sqrt)
902 (fp_rsqrt, fp_madd, fp_msub, fp_nmadd, fp_nmsub): New functions.
903 * sim-main.h (fp_rsqrt, fp_madd, fp_msub, fp_nmadd)
904 (fp_nmsub): New prototypes.
905 (RSquareRoot, MultiplyAdd, MultiplySub, NegMultiplyAdd)
906 (NegMultiplySub): New defines.
907 * mips.igen (RSQRT.fmt): Use RSquareRoot().
908 (MADD.D, MADD.S): Replace with...
909 (MADD.fmt): New instruction.
910 (MSUB.D, MSUB.S): Replace with...
911 (MSUB.fmt): New instruction.
912 (NMADD.D, NMADD.S): Replace with...
913 (NMADD.fmt): New instruction.
914 (NMSUB.D, MSUB.S): Replace with...
915 (NMSUB.fmt): New instruction.
916
52714ff9 9172002-06-07 Chris Demetriou <cgd@broadcom.com>
72f4393d 918 Ed Satterthwaite <ehs@broadcom.com>
52714ff9
CD
919
920 * cp1.c: Fix more comment spelling and formatting.
921 (value_fcr, store_fcr): Use fenr_FS rather than hard-coding value.
922 (denorm_mode): New function.
923 (fpu_unary, fpu_binary): Round results after operation, collect
924 status from rounding operations, and update the FCSR.
925 (convert): Collect status from integer conversions and rounding
926 operations, and update the FCSR. Adjust NaN values that result
927 from conversions. Convert to use sim_io_eprintf rather than
928 fprintf, and remove some debugging code.
929 * cp1.h (fenr_FS): New define.
930
577d8c4b
CD
9312002-06-07 Chris Demetriou <cgd@broadcom.com>
932
933 * cp1.c (convert): Remove unusable debugging code, and move MIPS
934 rounding mode to sim FP rounding mode flag conversion code into...
935 (rounding_mode): New function.
936
196496ed
CD
9372002-06-07 Chris Demetriou <cgd@broadcom.com>
938
939 * cp1.c: Clean up formatting of a few comments.
940 (value_fpr): Reformat switch statement.
941
cfe9ea23 9422002-06-06 Chris Demetriou <cgd@broadcom.com>
72f4393d 943 Ed Satterthwaite <ehs@broadcom.com>
cfe9ea23
CD
944
945 * cp1.h: New file.
946 * sim-main.h: Include cp1.h.
947 (SETFCC, GETFCC, IR, UF, OF, DX, IO, UO, FP_FLAGS, FP_ENABLE)
948 (FP_CAUSE, GETFS, FP_RM_NEAREST, FP_RM_TOZERO, FP_RM_TOPINF)
949 (FP_RM_TOMINF, GETRM): Remove. Moved to cp1.h.
950 (FP_FS, FP_MASK_RM, FP_SH_RM, Nan, Less, Equal): Remove.
951 (value_fcr, store_fcr, test_fcsr, fp_cmp): New prototypes.
952 (ValueFCR, StoreFCR, TestFCSR, Compare): New macros.
953 * cp1.c: Don't include sim-fpu.h; already included by
954 sim-main.h. Clean up formatting of some comments.
955 (NaN, Equal, Less): Remove.
956 (test_fcsr, value_fcr, store_fcr, update_fcsr, fp_test)
957 (fp_cmp): New functions.
958 * mips.igen (do_c_cond_fmt): Remove.
959 (C.cond.fmta, C.cond.fmtb): Replace uses of do_c_cond_fmt_a with
960 Compare. Add result tracing.
961 (CxC1): Remove, replace with...
962 (CFC1a, CFC1b, CFC1c, CTC1a, CTC1b, CTC1c): New instructions.
963 (DMxC1): Remove, replace with...
964 (DMFC1a, DMFC1b, DMTC1a, DMTC1b): New instructions.
72f4393d
L
965 (MxC1): Remove, replace with...
966 (MFC1a, MFC1b, MTC1a, MTC1b): New instructions.
cfe9ea23 967
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CD
9682002-06-04 Chris Demetriou <cgd@broadcom.com>
969
970 * sim-main.h (FGRIDX): Remove, replace all uses with...
971 (FGR_BASE): New macro.
972 (FP0_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): New macros.
973 (_sim_cpu): Move 'fgr' member to be right before 'fpr_state' member.
974 (NR_FGR, FGR): Likewise.
975 * interp.c: Replace all uses of FGRIDX with FGR_BASE.
976 * mips.igen: Likewise.
977
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CD
9782002-06-04 Chris Demetriou <cgd@broadcom.com>
979
980 * cp1.c: Add an FSF Copyright notice to this file.
981
ba46ddd0 9822002-06-04 Chris Demetriou <cgd@broadcom.com>
72f4393d 983 Ed Satterthwaite <ehs@broadcom.com>
ba46ddd0
CD
984
985 * cp1.c (Infinity): Remove.
986 * sim-main.h (Infinity): Likewise.
987
988 * cp1.c (fp_unary, fp_binary): New functions.
989 (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div, fp_recip)
990 (fp_sqrt): New functions, implemented in terms of the above.
991 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
992 (Recip, SquareRoot): Remove (replaced by functions above).
993 * sim-main.h (fp_abs, fp_neg, fp_add, fp_sub, fp_mul, fp_div)
994 (fp_recip, fp_sqrt): New prototypes.
995 (AbsoluteValue, Negate, Add, Sub, Multiply, Divide)
996 (Recip, SquareRoot): Replace prototypes with #defines which
997 invoke the functions above.
72f4393d 998
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9992002-06-03 Chris Demetriou <cgd@broadcom.com>
1000
1001 * sim-main.h (Nan, Infinity, Less, Equal, AbsoluteValue, Negate)
1002 (Add, Sub, Multiply, Divide, Recip, SquareRoot): Move lower in
1003 file, remove PARAMS from prototypes.
1004 (value_fpr, store_fpr, convert): Likewise. Use SIM_STATE to provide
1005 simulator state arguments.
1006 (ValueFPR, StoreFPR, Convert): Move lower in file. Use SIM_ARGS to
1007 pass simulator state arguments.
1008 * cp1.c (SD): Redefine as CPU_STATE(cpu).
1009 (store_fpr, convert): Remove 'sd' argument.
1010 (value_fpr): Likewise. Convert to use 'SD' instead.
1011
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10122002-06-03 Chris Demetriou <cgd@broadcom.com>
1013
1014 * cp1.c (Min, Max): Remove #if 0'd functions.
1015 * sim-main.h (Min, Max): Remove.
1016
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10172002-06-03 Chris Demetriou <cgd@broadcom.com>
1018
1019 * cp1.c: fix formatting of switch case and default labels.
1020 * interp.c: Likewise.
1021 * sim-main.c: Likewise.
1022
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CD
10232002-06-03 Chris Demetriou <cgd@broadcom.com>
1024
1025 * cp1.c: Clean up comments which describe FP formats.
1026 (FPQNaN_DOUBLE, FPQNaN_LONG): Generate using UNSIGNED64.
1027
7cbea089 10282002-06-03 Chris Demetriou <cgd@broadcom.com>
72f4393d 1029 Ed Satterthwaite <ehs@broadcom.com>
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CD
1030
1031 * configure.in (mipsisa64sb1*-*-*): New target for supporting
1032 Broadcom SiByte SB-1 processor configurations.
1033 * configure: Regenerate.
1034 * sb1.igen: New file.
1035 * mips.igen: Include sb1.igen.
1036 (sb1): New model.
1037 * Makefile.in (IGEN_INCLUDE): Add sb1.igen.
1038 * mdmx.igen: Add "sb1" model to all appropriate functions and
1039 instructions.
1040 * mdmx.c (AbsDiffOB, AvgOB, AccAbsDiffOB): New functions.
1041 (ob_func, ob_acc): Reference the above.
1042 (qh_acc): Adjust to keep the same size as ob_acc.
1043 * sim-main.h (status_SBX, MX_VECT_ABSD, MX_VECT_AVG, MX_AbsDiff)
1044 (MX_Avg, MX_VECT_ABSDA, MX_AbsDiffC): New macros.
1045
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10462002-06-03 Chris Demetriou <cgd@broadcom.com>
1047
1048 * Makefile.in (IGEN_INCLUDE): Add mdmx.igen.
1049
f4f1b9f1 10502002-06-02 Chris Demetriou <cgd@broadcom.com>
72f4393d 1051 Ed Satterthwaite <ehs@broadcom.com>
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CD
1052
1053 * mips.igen (mdmx): New (pseudo-)model.
1054 * mdmx.c, mdmx.igen: New files.
1055 * Makefile.in (SIM_OBJS): Add mdmx.o.
1056 * sim-main.h (MDMX_accumulator, MX_fmtsel, signed24, signed48):
1057 New typedefs.
1058 (ACC, MX_Add, MX_AddA, MX_AddL, MX_And, MX_C_EQ, MX_C_LT, MX_Comp)
1059 (MX_FMT_OB, MX_FMT_QH, MX_Max, MX_Min, MX_Msgn, MX_Mul, MX_MulA)
1060 (MX_MulL, MX_MulS, MX_MulSL, MX_Nor, MX_Or, MX_Pick, MX_RAC)
1061 (MX_RAC_H, MX_RAC_L, MX_RAC_M, MX_RNAS, MX_RNAU, MX_RND_AS)
1062 (MX_RND_AU, MX_RND_ES, MX_RND_EU, MX_RND_ZS, MX_RND_ZU, MX_RNES)
1063 (MX_RNEU, MX_RZS, MX_RZU, MX_SHFL, MX_ShiftLeftLogical)
1064 (MX_ShiftRightArith, MX_ShiftRightLogical, MX_Sub, MX_SubA, MX_SubL)
1065 (MX_VECT_ADD, MX_VECT_ADDA, MX_VECT_ADDL, MX_VECT_AND)
1066 (MX_VECT_MAX, MX_VECT_MIN, MX_VECT_MSGN, MX_VECT_MUL, MX_VECT_MULA)
1067 (MX_VECT_MULL, MX_VECT_MULS, MX_VECT_MULSL, MX_VECT_NOR)
1068 (MX_VECT_OR, MX_VECT_SLL, MX_VECT_SRA, MX_VECT_SRL, MX_VECT_SUB)
1069 (MX_VECT_SUBA, MX_VECT_SUBL, MX_VECT_XOR, MX_WACH, MX_WACL, MX_Xor)
1070 (SIM_ARGS, SIM_STATE, UnpredictableResult, fmt_mdmx, ob_fmtsel)
1071 (qh_fmtsel): New macros.
1072 (_sim_cpu): New member "acc".
1073 (mdmx_acc_op, mdmx_cc_op, mdmx_cpr_op, mdmx_pick_op, mdmx_rac_op)
1074 (mdmx_round_op, mdmx_shuffle, mdmx_wach, mdmx_wacl): New functions.
1075
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10762002-05-01 Chris Demetriou <cgd@broadcom.com>
1077
1078 * interp.c: Use 'deprecated' rather than 'depreciated.'
1079 * sim-main.h: Likewise.
1080
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10812002-05-01 Chris Demetriou <cgd@broadcom.com>
1082
1083 * cp1.c (store_fpr): Remove #ifdef'd out call to UndefinedResult
1084 which wouldn't compile anyway.
1085 * sim-main.h (unpredictable_action): New function prototype.
1086 (Unpredictable): Define to call igen function unpredictable().
1087 (NotWordValue): New macro to call igen function not_word_value().
1088 (UndefinedResult): Remove.
1089 * interp.c (undefined_result): Remove.
1090 (unpredictable_action): New function.
1091 * mips.igen (not_word_value, unpredictable): New functions.
1092 (ADD, ADDI, do_addiu, do_addu, BGEZAL, BGEZALL, BLTZAL, BLTZALL)
1093 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, do_mult, do_multu)
1094 (do_sra, do_srav, do_srl, do_srlv, SUB, do_subu): Invoke
1095 NotWordValue() to check for unpredictable inputs, then
1096 Unpredictable() to handle them.
1097
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10982002-02-24 Chris Demetriou <cgd@broadcom.com>
1099
1100 * mips.igen: Fix formatting of calls to Unpredictable().
1101
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AC
11022002-04-20 Andrew Cagney <ac131313@redhat.com>
1103
1104 * interp.c (sim_open): Revert previous change.
1105
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AO
11062002-04-18 Alexandre Oliva <aoliva@redhat.com>
1107
1108 * interp.c (sim_open): Disable chunk of code that wrote code in
1109 vector table entries.
1110
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CD
11112002-03-19 Chris Demetriou <cgd@broadcom.com>
1112
1113 * cp1.c (FP_S_s, FP_D_s, FP_S_be, FP_D_be, FP_S_e, FP_D_e, FP_S_f)
1114 (FP_D_f, FP_S_fb, FP_D_fb, FPINF_SINGLE, FPINF_DOUBLE): Remove
1115 unused definitions.
1116
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11172002-03-19 Chris Demetriou <cgd@broadcom.com>
1118
1119 * cp1.c: Fix many formatting issues.
1120
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11212002-03-19 Chris G. Demetriou <cgd@broadcom.com>
1122
1123 * cp1.c (fpu_format_name): New function to replace...
1124 (DOFMT): This. Delete, and update all callers.
1125 (fpu_rounding_mode_name): New function to replace...
1126 (RMMODE): This. Delete, and update all callers.
1127
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CD
11282002-03-19 Chris G. Demetriou <cgd@broadcom.com>
1129
1130 * interp.c: Move FPU support routines from here to...
1131 * cp1.c: Here. New file.
1132 * Makefile.in (SIM_OBJS): Add cp1.o to object list.
1133 (cp1.o): New target.
1134
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CD
11352002-03-12 Chris Demetriou <cgd@broadcom.com>
1136
1137 * configure.in (mipsisa32*-*-*, mipsisa64*-*-*): New targets.
1138 * mips.igen (mips32, mips64): New models, add to all instructions
1139 and functions as appropriate.
1140 (loadstore_ea, check_u64): New variant for model mips64.
1141 (check_fmt_p): New variant for models mipsV and mips64, remove
1142 mipsV model marking fro other variant.
1143 (SLL) Rename to...
1144 (SLLa) this.
1145 (CLO, CLZ, MADD, MADDU, MSUB, MSUBU, MUL, SLLb): New instructions
1146 for mips32 and mips64.
1147 (DCLO, DCLZ): New instructions for mips64.
1148
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11492002-03-07 Chris Demetriou <cgd@broadcom.com>
1150
1151 * mips.igen (BREAK, LUI, ORI, SYSCALL, XORI): Print
1152 immediate or code as a hex value with the "%#lx" format.
1153 (ANDI): Likewise, and fix printed instruction name.
1154
b96e7ef1
CD
11552002-03-05 Chris Demetriou <cgd@broadcom.com>
1156
1157 * sim-main.h (UndefinedResult, Unpredictable): New macros
1158 which currently do nothing.
1159
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11602002-03-05 Chris Demetriou <cgd@broadcom.com>
1161
1162 * sim-main.h (status_UX, status_SX, status_KX, status_TS)
1163 (status_PX, status_MX, status_CU0, status_CU1, status_CU2)
1164 (status_CU3): New definitions.
1165
1166 * sim-main.h (ExceptionCause): Add new values for MIPS32
1167 and MIPS64: MDMX, MCheck, CacheErr. Update comments
1168 for DebugBreakPoint and NMIReset to note their status in
1169 MIPS32 and MIPS64.
1170 (SignalExceptionMDMX, SignalExceptionWatch, SignalExceptionMCheck)
1171 (SignalExceptionCacheErr): New exception macros.
1172
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CD
11732002-03-05 Chris Demetriou <cgd@broadcom.com>
1174
1175 * mips.igen (check_fpu): Enable check for coprocessor 1 usability.
1176 * sim-main.h (COP_Usable): Define, but for now coprocessor 1
1177 is always enabled.
1178 (SignalExceptionCoProcessorUnusable): Take as argument the
1179 unusable coprocessor number.
1180
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CD
11812002-03-05 Chris Demetriou <cgd@broadcom.com>
1182
1183 * mips.igen: Fix formatting of all SignalException calls.
1184
97a88e93 11852002-03-05 Chris Demetriou <cgd@broadcom.com>
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CD
1186
1187 * sim-main.h (SIGNEXTEND): Remove.
1188
97a88e93 11892002-03-04 Chris Demetriou <cgd@broadcom.com>
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CD
1190
1191 * mips.igen: Remove gencode comment from top of file, fix
1192 spelling in another comment.
1193
97a88e93 11942002-03-04 Chris Demetriou <cgd@broadcom.com>
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CD
1195
1196 * mips.igen (check_fmt, check_fmt_p): New functions to check
1197 whether specific floating point formats are usable.
1198 (ABS.fmt, ADD.fmt, CEIL.L.fmt, CEIL.W, DIV.fmt, FLOOR.L.fmt)
1199 (FLOOR.W.fmt, MOV.fmt, MUL.fmt, NEG.fmt, RECIP.fmt, ROUND.L.fmt)
1200 (ROUND.W.fmt, RSQRT.fmt, SQRT.fmt, SUB.fmt, TRUNC.L.fmt, TRUNC.W):
1201 Use the new functions.
1202 (do_c_cond_fmt): Remove format checks...
1203 (C.cond.fmta, C.cond.fmtb): And move them into all callers.
1204
97a88e93 12052002-03-03 Chris Demetriou <cgd@broadcom.com>
9b17d183
CD
1206
1207 * mips.igen: Fix formatting of check_fpu calls.
1208
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CD
12092002-03-03 Chris Demetriou <cgd@broadcom.com>
1210
1211 * mips.igen (FLOOR.L.fmt): Store correct destination register.
1212
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CD
12132002-03-03 Chris Demetriou <cgd@broadcom.com>
1214
1215 * mips.igen: Remove whitespace at end of lines.
1216
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CD
12172002-03-02 Chris Demetriou <cgd@broadcom.com>
1218
1219 * mips.igen (loadstore_ea): New function to do effective
1220 address calculations.
1221 (do_load, do_load_left, do_load_right, LL, LDD, PREF, do_store,
1222 do_store_left, do_store_right, SC, SCD, PREFX, SWC1, SWXC1,
1223 CACHE): Use loadstore_ea to do effective address computations.
1224
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CD
12252002-03-02 Chris Demetriou <cgd@broadcom.com>
1226
1227 * interp.c (load_word): Use EXTEND32 rather than SIGNEXTEND.
1228 * mips.igen (LL, CxC1, MxC1): Likewise.
1229
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CD
12302002-03-02 Chris Demetriou <cgd@broadcom.com>
1231
1232 * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt,
1233 CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt,
1234 FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt,
1235 MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D,
1236 NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt,
1237 SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE):
1238 Don't split opcode fields by hand, use the opcode field values
1239 provided by igen.
1240
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CD
12412002-03-01 Chris Demetriou <cgd@broadcom.com>
1242
1243 * mips.igen (do_divu): Fix spacing.
1244
1245 * mips.igen (do_dsllv): Move to be right before DSLLV,
1246 to match the rest of the do_<shift> functions.
1247
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12482002-03-01 Chris Demetriou <cgd@broadcom.com>
1249
1250 * mips.igen (do_dsll, do_dsllv, DSLL32, do_dsra, DSRA32, do_dsrl,
1251 DSRL32, do_dsrlv): Trace inputs and results.
1252
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CD
12532002-03-01 Chris Demetriou <cgd@broadcom.com>
1254
1255 * mips.igen (CACHE): Provide instruction-printing string.
1256
1257 * interp.c (signal_exception): Comment tokens after #endif.
1258
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CD
12592002-02-28 Chris Demetriou <cgd@broadcom.com>
1260
1261 * mips.igen (LWXC1): Mark with filter "64,f", rather than just "32".
72f4393d
L
1262 (MOVtf, MxC1, MxC1, DMxC1, DMxC1, CxC1, CxC1, SQRT.fmt, MOV.fmt,
1263 NEG.fmt, ROUND.L.fmt, TRUNC.L.fmt, CEIL.L.fmt, FLOOR.L.fmt,
1264 ROUND.W.fmt, TRUNC.W, CEIL.W, FLOOR.W.fmt, RECIP.fmt, RSQRT.fmt,
1265 CVT.S.fmt, CVT.D.fmt, CVT.W.fmt, CVT.L.fmt, MOVtf.fmt, C.cond.fmta,
1266 C.cond.fmtb, SUB.fmt, MUL.fmt, DIV.fmt, MOVZ.fmt, MOVN.fmt, LDXC1,
1267 SWXC1, SDXC1, MSUB.D, MSUB.S, NMADD.S, NMADD.D, NMSUB.S, NMSUB.D,
eb5fcf93
CD
1268 LWC1, SWC1): Add "f" to filter, since these are FP instructions.
1269
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CD
12702002-02-28 Chris Demetriou <cgd@broadcom.com>
1271
1272 * mips.igen (DSRA32, DSRAV): Fix order of arguments in
1273 instruction-printing string.
1274 (LWU): Use '64' as the filter flag.
1275
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12762002-02-28 Chris Demetriou <cgd@broadcom.com>
1277
1278 * mips.igen (SDXC1): Fix instruction-printing string.
1279
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CD
12802002-02-28 Chris Demetriou <cgd@broadcom.com>
1281
1282 * mips.igen (LDC1, SDC1): Remove mipsI model, and mark with
1283 filter flags "32,f".
1284
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CD
12852002-02-27 Chris Demetriou <cgd@broadcom.com>
1286
1287 * mips.igen (PREFX): This is a 64-bit instruction, use '64'
1288 as the filter flag.
1289
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CD
12902002-02-27 Chris Demetriou <cgd@broadcom.com>
1291
1292 * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
1293 add a comma) so that it more closely match the MIPS ISA
1294 documentation opcode partitioning.
1295 (PREF): Put useful names on opcode fields, and include
1296 instruction-printing string.
1297
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12982002-02-27 Chris Demetriou <cgd@broadcom.com>
1299
1300 * mips.igen (check_u64): New function which in the future will
1301 check whether 64-bit instructions are usable and signal an
1302 exception if not. Currently a no-op.
1303 (DADD, DADDI, DADDIU, DADDU, DDIV, DDIVU, DMULT, DMULTU, DSLL,
1304 DSLL32, DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB,
1305 DSUBU, LD, LDL, LDR, LLD, LWU, SCD, SD, SDL, SDR, DMxC1, LDXC1,
1306 LWXC1, SDXC1, SWXC1, DMFC0, DMTC0): Use check_u64.
1307
1308 * mips.igen (check_fpu): New function which in the future will
1309 check whether FPU instructions are usable and signal an exception
1310 if not. Currently a no-op.
1311 (ABS.fmt, ADD.fmt, BC1a, BC1b, C.cond.fmta, C.cond.fmtb,
1312 CEIL.L.fmt, CEIL.W, CxC1, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt,
1313 CVT.W.fmt, DIV.fmt, DMxC1, DMxC1, FLOOR.L.fmt, FLOOR.W.fmt, LDC1,
1314 LDXC1, LWC1, LWXC1, MADD.D, MADD.S, MxC1, MOV.fmt, MOVtf,
1315 MOVtf.fmt, MOVN.fmt, MOVZ.fmt, MSUB.D, MSUB.S, MUL.fmt, NEG.fmt,
1316 NMADD.D, NMADD.S, NMSUB.D, NMSUB.S, RECIP.fmt, ROUND.L.fmt,
1317 ROUND.W.fmt, RSQRT.fmt, SDC1, SDXC1, SQRT.fmt, SUB.fmt, SWC1,
1318 SWXC1, TRUNC.L.fmt, TRUNC.W): Use check_fpu.
1319
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13202002-02-27 Chris Demetriou <cgd@broadcom.com>
1321
1322 * mips.igen (do_load_left, do_load_right): Move to be immediately
1323 following do_load.
1324 (do_store_left, do_store_right): Move to be immediately following
1325 do_store.
1326
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CD
13272002-02-27 Chris Demetriou <cgd@broadcom.com>
1328
1329 * mips.igen (mipsV): New model name. Also, add it to
1330 all instructions and functions where it is appropriate.
1331
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13322002-02-18 Chris Demetriou <cgd@broadcom.com>
1333
1334 * mips.igen: For all functions and instructions, list model
1335 names that support that instruction one per line.
1336
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13372002-02-11 Chris Demetriou <cgd@broadcom.com>
1338
1339 * mips.igen: Add some additional comments about supported
1340 models, and about which instructions go where.
1341 (BC1b, MFC0, MTC0, RFE): Sort supported models in the same
1342 order as is used in the rest of the file.
1343
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CD
13442002-02-11 Chris Demetriou <cgd@broadcom.com>
1345
1346 * mips.igen (ADD, ADDI, DADDI, DSUB, SUB): Add comment
1347 indicating that ALU32_END or ALU64_END are there to check
1348 for overflow.
1349 (DADD): Likewise, but also remove previous comment about
1350 overflow checking.
1351
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CD
13522002-02-10 Chris Demetriou <cgd@broadcom.com>
1353
1354 * mips.igen (DDIV, DIV, DIVU, DMULT, DMULTU, DSLL, DSLL32,
1355 DSLLV, DSRA, DSRA32, DSRAV, DSRL, DSRL32, DSRLV, DSUB, DSUBU,
1356 JALR, JR, MOVN, MOVZ, MTLO, MULT, MULTU, SLL, SLLV, SLT, SLTU,
1357 SRAV, SRLV, SUB, SUBU, SYNC, XOR, MOVtf, DI, DMFC0, DMTC0, EI,
1358 ERET, RFE, TLBP, TLBR, TLBWI, TLBWR): Tweak instruction opcode
1359 fields (i.e., add and move commas) so that they more closely
1360 match the MIPS ISA documentation opcode partitioning.
1361
13622002-02-10 Chris Demetriou <cgd@broadcom.com>
20ae0098 1363
72f4393d
L
1364 * mips.igen (ADDI): Print immediate value.
1365 (BREAK): Print code.
1366 (DADDIU, DSRAV, DSRLV): Print correct instruction name.
1367 (SLL): Print "nop" specially, and don't run the code
1368 that does the shift for the "nop" case.
20ae0098 1369
9e52972e
FF
13702001-11-17 Fred Fish <fnf@redhat.com>
1371
1372 * sim-main.h (float_operation): Move enum declaration outside
1373 of _sim_cpu struct declaration.
1374
c0efbca4
JB
13752001-04-12 Jim Blandy <jimb@redhat.com>
1376
1377 * mips.igen (CFC1, CTC1): Pass the correct register numbers to
1378 PENDING_FILL. Use PENDING_SCHED directly to handle the pending
1379 set of the FCSR.
1380 * sim-main.h (COCIDX): Remove definition; this isn't supported by
1381 PENDING_FILL, and you can get the intended effect gracefully by
1382 calling PENDING_SCHED directly.
1383
fb891446
BE
13842001-02-23 Ben Elliston <bje@redhat.com>
1385
1386 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Only define if not
1387 already defined elsewhere.
1388
8030f857
BE
13892001-02-19 Ben Elliston <bje@redhat.com>
1390
1391 * sim-main.h (sim_monitor): Return an int.
1392 * interp.c (sim_monitor): Add return values.
1393 (signal_exception): Handle error conditions from sim_monitor.
1394
56b48a7a
CD
13952001-02-08 Ben Elliston <bje@redhat.com>
1396
1397 * sim-main.c (load_memory): Pass cia to sim_core_read* functions.
1398 (store_memory): Likewise, pass cia to sim_core_write*.
1399
d3ee60d9
FCE
14002000-10-19 Frank Ch. Eigler <fche@redhat.com>
1401
1402 On advice from Chris G. Demetriou <cgd@sibyte.com>:
1403 * sim-main.h (GPR_CLEAR): Remove unused alternative macro.
1404
071da002
AC
1405Thu Jul 27 22:02:05 2000 Andrew Cagney <cagney@b1.cygnus.com>
1406
1407 From Maciej W. Rozycki <macro@ds2.pg.gda.pl>:
1408 * Makefile.in: Don't delete *.igen when cleaning directory.
1409
a28c02cd
AC
1410Wed Jul 19 18:50:51 2000 Andrew Cagney <cagney@b1.cygnus.com>
1411
1412 * m16.igen (break): Call SignalException not sim_engine_halt.
1413
80ee11fa
AC
1414Mon Jul 3 11:13:20 2000 Andrew Cagney <cagney@b1.cygnus.com>
1415
1416 From Jason Eckhardt:
1417 * mips.igen (MOVZ.fmt, MOVN.fmt): Move conditional on GPR[RT].
1418
673388c0
AC
1419Tue Jun 13 20:52:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
1420
1421 * mips.igen (MxC1, DMxC1): Fix printf formatting.
1422
4c0deff4
NC
14232000-05-24 Michael Hayes <mhayes@cygnus.com>
1424
1425 * mips.igen (do_dmultx): Fix typo.
1426
eb2d80b4
AC
1427Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
1428
1429 * configure: Regenerated to track ../common/aclocal.m4 changes.
1430
dd37a34b
AC
1431Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com>
1432
1433 * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call.
1434
4c0deff4
NC
14352000-04-12 Frank Ch. Eigler <fche@redhat.com>
1436
1437 * sim-main.h (GPR_CLEAR): Define macro.
1438
e30db738
AC
1439Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com>
1440
1441 * interp.c (decode_coproc): Output long using %lx and not %s.
1442
cb7450ea
FCE
14432000-03-21 Frank Ch. Eigler <fche@redhat.com>
1444
1445 * interp.c (sim_open): Sort & extend dummy memory regions for
1446 --board=jmr3904 for eCos.
1447
a3027dd7
FCE
14482000-03-02 Frank Ch. Eigler <fche@redhat.com>
1449
1450 * configure: Regenerated.
1451
1452Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1453
1454 * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf
1455 calls, conditional on the simulator being in verbose mode.
1456
dfcd3bfb
JM
1457Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com>
1458
1459 * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary
1460 cache don't get ReservedInstruction traps.
1461
c2d11a7d
JM
14621999-11-29 Mark Salter <msalter@cygnus.com>
1463
1464 * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask
1465 to clear status bits in sdisr register. This is how the hardware works.
1466
1467 * interp.c (sim_open): Added more memory aliases for jmr3904 hardware
1468 being used by cygmon.
1469
4ce44c66
JM
14701999-11-11 Andrew Haley <aph@cygnus.com>
1471
1472 * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0
1473 instructions.
1474
cff3e48b
JM
1475Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com>
1476
1477 * mips.igen (MULT): Correct previous mis-applied patch.
1478
d4f3574e
SS
1479Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com>
1480
1481 * mips.igen (delayslot32): Handle sequence like
1482 mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12
1483 correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue.
1484 (MULT): Actually pass the third register...
1485
14861999-09-03 Mark Salter <msalter@cygnus.com>
1487
1488 * interp.c (sim_open): Added more memory aliases for additional
1489 hardware being touched by cygmon on jmr3904 board.
1490
1491Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
1492
1493 * configure: Regenerated to track ../common/aclocal.m4 changes.
1494
a0b3c4fd
JM
1495Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
1496
1497 * interp.c (sim_store_register): Handle case where client - GDB -
1498 specifies that a 4 byte register is 8 bytes in size.
1499 (sim_fetch_register): Ditto.
72f4393d 1500
adf40b2e
JM
15011999-07-14 Frank Ch. Eigler <fche@cygnus.com>
1502
1503 Implement "sim firmware" option, inspired by jimb's version of 1998-01.
1504 * interp.c (firmware_option_p): New global flag: "sim firmware" given.
1505 (idt_monitor_base): Base address for IDT monitor traps.
1506 (pmon_monitor_base): Ditto for PMON.
1507 (lsipmon_monitor_base): Ditto for LSI PMON.
1508 (MONITOR_BASE, MONITOR_SIZE): Removed macros.
1509 (mips_option): Add "firmware" option with new OPTION_FIRMWARE key.
1510 (sim_firmware_command): New function.
1511 (mips_option_handler): Call it for OPTION_FIRMWARE.
1512 (sim_open): Allocate memory for idt_monitor region. If "--board"
1513 option was given, add no monitor by default. Add BREAK hooks only if
1514 monitors are also there.
72f4393d 1515
43e526b9
JM
1516Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com>
1517
1518 * interp.c (sim_monitor): Flush output before reading input.
1519
1520Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com>
1521
1522 * tconfig.in (SIM_HANDLES_LMA): Always define.
1523
1524Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com>
1525
1526 From Mark Salter <msalter@cygnus.com>:
1527 * interp.c (BOARD_BSP): Define. Add to list of possible boards.
1528 (sim_open): Add setup for BSP board.
1529
9846de1b
JM
1530Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
1531
1532 * mips.igen (MULT, MULTU): Add syntax for two operand version.
1533 (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report
1534 them as unimplemented.
1535
cd0fc7c3
SS
15361999-05-08 Felix Lee <flee@cygnus.com>
1537
1538 * configure: Regenerated to track ../common/aclocal.m4 changes.
72f4393d 1539
7a292a7a
SS
15401999-04-21 Frank Ch. Eigler <fche@cygnus.com>
1541
1542 * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub.
1543
1544Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com>
1545
1546 * configure.in: Any mips64vr5*-*-* target should have
1547 -DTARGET_ENABLE_FR=1.
1548 (default_endian): Any mips64vr*el-*-* target should default to
1549 LITTLE_ENDIAN.
1550 * configure: Re-generate.
1551
15521999-02-19 Gavin Romig-Koch <gavin@cygnus.com>
1553
1554 * mips.igen (ldl): Extend from _16_, not 32.
1555
1556Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com>
1557
1558 * interp.c (sim_store_register): Force registers written to by GDB
1559 into an un-interpreted state.
1560
c906108c
SS
15611999-02-05 Frank Ch. Eigler <fche@cygnus.com>
1562
1563 * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the
1564 CPU, start periodic background I/O polls.
72f4393d 1565 (tx3904sio_poll): New function: periodic I/O poller.
c906108c
SS
1566
15671998-12-30 Frank Ch. Eigler <fche@cygnus.com>
1568
1569 * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt.
72f4393d 1570
c906108c
SS
1571Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1572
1573 * configure.in, configure (mips64vr5*-*-*): Added missing ;; in
1574 case statement.
1575
15761998-12-29 Frank Ch. Eigler <fche@cygnus.com>
72f4393d
L
1577
1578 * interp.c (sim_open): Allocate jm3904 memory in smaller chunks.
c906108c
SS
1579 (load_word): Call SIM_CORE_SIGNAL hook on error.
1580 (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before
1581 starting. For exception dispatching, pass PC instead of NULL_CIA.
1582 (decode_coproc): Use COP0_BADVADDR to store faulting address.
72f4393d 1583 * sim-main.h (COP0_BADVADDR): Define.
c906108c
SS
1584 (SIM_CORE_SIGNAL): Define hook to call mips_core_signal.
1585 (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*().
72f4393d 1586 (_sim_cpu): Add exc_* fields to store register value snapshots.
c906108c
SS
1587 * mips.igen (*): Replace memory-related SignalException* calls
1588 with references to SIM_CORE_SIGNAL hook.
72f4393d 1589
c906108c
SS
1590 * dv-tx3904irc.c (tx3904irc_port_event): printf format warning
1591 fix.
1592 * sim-main.c (*): Minor warning cleanups.
72f4393d 1593
c906108c
SS
15941998-12-24 Gavin Romig-Koch <gavin@cygnus.com>
1595
1596 * m16.igen (DADDIU5): Correct type-o.
1597
1598Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook>
1599
1600 * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp
1601 variables.
1602
1603Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook>
1604
1605 * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib
1606 to include path.
1607 (interp.o): Add dependency on itable.h
1608 (oengine.c, gencode): Delete remaining references.
1609 (BUILT_SRC_FROM_GEN): Clean up.
72f4393d 1610
c906108c 16111998-12-16 Gavin Romig-Koch <gavin@cygnus.com>
72f4393d 1612
c906108c
SS
1613 * vr4run.c: New.
1614 * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a,
1615 tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack,
1616 tmp-run-hack) : New.
1617 * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU,
72f4393d 1618 DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX):
c906108c
SS
1619 Drop the "64" qualifier to get the HACK generator working.
1620 Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT.
1621 * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only
1622 qualifier to get the hack generator working.
1623 (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New.
1624 (DSLL): Use do_dsll.
1625 (DSLLV): Use do_dsllv.
1626 (DSRA): Use do_dsra.
1627 (DSRL): Use do_dsrl.
1628 (DSRLV): Use do_dsrlv.
1629 (BC1): Move *vr4100 to get the HACK generator working.
72f4393d 1630 (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to
c906108c
SS
1631 get the HACK generator working.
1632 (MACC) Rename to get the HACK generator working.
1633 (DMACC,MACCS,DMACCS): Add the 64.
72f4393d 1634
c906108c
SS
16351998-12-12 Gavin Romig-Koch <gavin@cygnus.com>
1636
1637 * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts.
1638 * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR.
72f4393d 1639
c906108c
SS
16401998-12-11 Gavin Romig-Koch <gavin@cygnus.com>
1641
1642 * mips/interp.c (DEBUG): Cleanups.
1643
16441998-12-10 Frank Ch. Eigler <fche@cygnus.com>
1645
1646 * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes.
1647 (tx3904sio_tickle): fflush after a stdout character output.
72f4393d 1648
c906108c
SS
16491998-12-03 Frank Ch. Eigler <fche@cygnus.com>
1650
1651 * interp.c (sim_close): Uninstall modules.
1652
1653Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com>
1654
1655 * sim-main.h, interp.c (sim_monitor): Change to global
1656 function.
1657
1658Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
1659
1660 * configure.in (vr4100): Only include vr4100 instructions in
1661 simulator.
1662 * configure: Re-generate.
1663 * m16.igen (*): Tag all mips16 instructions as also being vr4100.
1664
1665Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1666
1667 * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN.
1668 * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping
1669 true alternative.
1670
1671 * configure.in (sim_default_gen, sim_use_gen): Replace with
1672 sim_gen.
1673 (--enable-sim-igen): Delete config option. Always using IGEN.
1674 * configure: Re-generate.
72f4393d 1675
c906108c
SS
1676 * Makefile.in (gencode): Kill, kill, kill.
1677 * gencode.c: Ditto.
72f4393d 1678
c906108c
SS
1679Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com>
1680
1681 * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64
1682 bit mips16 igen simulator.
1683 * configure: Re-generate.
1684
1685 * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark
1686 as part of vr4100 ISA.
1687 * vr.igen: Mark all instructions as 64 bit only.
1688
1689Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
1690
1691 * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent):
1692 Pacify GCC.
1693
1694Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
1695
1696 * configure.in: Configure mips-lsi-elf nee mips*lsi* as a
1697 mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos.
1698 * configure: Re-generate.
1699
1700 * m16.igen (BREAK): Define breakpoint instruction.
1701 (JALX32): Mark instruction as mips16 and not r3900.
1702 * mips.igen (C.cond.fmt): Fix typo in instruction format.
1703
1704 * sim-main.h (PENDING_FILL): Wrap C statements in do/while.
1705
1706Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1707
1708 * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK
1709 insn as a debug breakpoint.
1710
1711 * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as
1712 pending.slot_size.
1713 (PENDING_SCHED): Clean up trace statement.
1714 (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL.
1715 (PENDING_FILL): Delay write by only one cycle.
1716 (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE.
1717
1718 * sim-main.c (pending_tick): Clean up trace statements. Add trace
1719 of pending writes.
1720 (pending_tick): Fix sizes in switch statements, 4 & 8 instead of
1721 32 & 64.
1722 (pending_tick): Move incrementing of index to FOR statement.
1723 (pending_tick): Only update PENDING_OUT after a write has occured.
72f4393d 1724
c906108c
SS
1725 * configure.in: Add explicit mips-lsi-* target. Use gencode to
1726 build simulator.
1727 * configure: Re-generate.
72f4393d 1728
c906108c
SS
1729 * interp.c (sim_engine_run OLD): Delete explicit call to
1730 PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK.
72f4393d 1731
c906108c
SS
1732Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com>
1733
1734 * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy
1735 interrupt level number to match changed SignalExceptionInterrupt
1736 macro.
1737
1738Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
1739
1740 * interp.c: #include "itable.h" if WITH_IGEN.
1741 (get_insn_name): New function.
1742 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
1743 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
1744
1745Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com>
1746
1747 * configure: Rebuilt to inhale new common/aclocal.m4.
1748
1749Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com>
1750
1751 * dv-tx3904sio.c: Include sim-assert.h.
1752
1753Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com>
1754
1755 * dv-tx3904sio.c: New file: tx3904 serial I/O module.
1756 * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target.
1757 Reorganize target-specific sim-hardware checks.
1758 * configure: rebuilt.
1759 * interp.c (sim_open): For tx39 target boards, set
1760 OPERATING_ENVIRONMENT, add tx3904sio devices.
1761 * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading
1762 ROM executables. Install dv-sockser into sim-modules list.
72f4393d 1763
c906108c
SS
1764 * dv-tx3904irc.c: Compiler warning clean-up.
1765 * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly
1766 frequent hw-trace messages.
1767
1768Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
1769
1770 * vr.igen (MulAcc): Identify as a vr4100 specific function.
1771
1772Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
1773
1774 * Makefile.in (IGEN_INCLUDE): Add vr.igen.
1775
1776 * vr.igen: New file.
1777 (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c.
1778 * mips.igen: Define vr4100 model. Include vr.igen.
1779Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com>
1780
1781 * mips.igen (check_mf_hilo): Correct check.
1782
1783Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
1784
1785 * sim-main.h (interrupt_event): Add prototype.
1786
1787 * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused
1788 register_ptr, register_value.
1789 (deliver_tx3904tmr_tick): Fix types passed to printf fmt.
1790
1791 * sim-main.h (tracefh): Make extern.
1792
1793Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com>
1794
1795 * dv-tx3904tmr.c: Deschedule timer event after dispatching.
72f4393d 1796 Reduce unnecessarily high timer event frequency.
c906108c 1797 * dv-tx3904cpu.c: Ditto for interrupt event.
72f4393d 1798
c906108c
SS
1799Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com>
1800
1801 * interp.c (decode_coproc): For TX39, add stub COP0 register #7,
1802 to allay warnings.
1803 (interrupt_event): Made non-static.
72f4393d 1804
c906108c
SS
1805 * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental
1806 interchange of configuration values for external vs. internal
1807 clock dividers.
72f4393d 1808
c906108c
SS
1809Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com>
1810
72f4393d 1811 * mips.igen (BREAK): Moved code to here for
c906108c
SS
1812 simulator-reserved break instructions.
1813 * gencode.c (build_instruction): Ditto.
1814 * interp.c (signal_exception): Code moved from here. Non-
72f4393d 1815 reserved instructions now use exception vector, rather
c906108c
SS
1816 than halting sim.
1817 * sim-main.h: Moved magic constants to here.
1818
1819Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com>
1820
1821 * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE
1822 register upon non-zero interrupt event level, clear upon zero
1823 event value.
1824 * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal
1825 by passing zero event value.
1826 (*_io_{read,write}_buffer): Endianness fixes.
1827 * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes.
1828 (deliver_*_tick): Reduce sim event interval to 75% of count interval.
1829
1830 * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based
1831 serial I/O and timer module at base address 0xFFFF0000.
72f4393d 1832
c906108c
SS
1833Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com>
1834
72f4393d 1835 * mips.igen (SWC1) : Correct the handling of ReverseEndian
c906108c
SS
1836 and BigEndianCPU.
1837
1838Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com>
1839
1840 * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips
1841 parts.
1842 * configure: Update.
1843
1844Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com>
1845
1846 * dv-tx3904tmr.c: New file - implements tx3904 timer.
1847 * dv-tx3904{irc,cpu}.c: Mild reformatting.
1848 * configure.in: Include tx3904tmr in hw_device list.
1849 * configure: Rebuilt.
1850 * interp.c (sim_open): Instantiate three timer instances.
1851 Fix address typo of tx3904irc instance.
1852
1853Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com>
1854
1855 * interp.c (signal_exception): SystemCall exception now uses
1856 the exception vector.
1857
1858Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com>
1859
1860 * interp.c (decode_coproc): For TX39, add stub COP0 register #3,
1861 to allay warnings.
1862
1863Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
1864
1865 * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39.
1866
1867Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com>
1868
1869 * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method.
1870
1871 * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and
1872 sim-main.h. Declare a struct hw_descriptor instead of struct
1873 hw_device_descriptor.
1874
1875Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
1876
1877 * mips.igen (do_store_left, do_load_left): Compute nr of left and
1878 right bits and then re-align left hand bytes to correct byte
1879 lanes. Fix incorrect computation in do_store_left when loading
1880 bytes from second word.
1881
1882Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
1883
1884 * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904.
1885 * interp.c (sim_open): Only create a device tree when HW is
1886 enabled.
1887
1888 * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC.
1889 * interp.c (signal_exception): Ditto.
1890
1891Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com>
1892
1893 * gencode.c: Mark BEGEZALL as LIKELY.
1894
1895Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com>
1896
1897 * sim-main.h (ALU32_END): Sign extend 32 bit results.
1898 * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace.
72f4393d 1899
c906108c
SS
1900Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com>
1901
1902 * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware
1903 modules. Recognize TX39 target with "mips*tx39" pattern.
1904 * configure: Rebuilt.
1905 * sim-main.h (*): Added many macros defining bits in
1906 TX39 control registers.
1907 (SignalInterrupt): Send actual PC instead of NULL.
1908 (SignalNMIReset): New exception type.
1909 * interp.c (board): New variable for future use to identify
1910 a particular board being simulated.
1911 (mips_option_handler,mips_options): Added "--board" option.
1912 (interrupt_event): Send actual PC.
1913 (sim_open): Make memory layout conditional on board setting.
1914 (signal_exception): Initial implementation of hardware interrupt
1915 handling. Accept another break instruction variant for simulator
1916 exit.
1917 (decode_coproc): Implement RFE instruction for TX39.
1918 (mips.igen): Decode RFE instruction as such.
1919 * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904.
1920 * interp.c: Define "jmr3904" and "jmr3904debug" board types and
1921 bbegin to implement memory map.
1922 * dv-tx3904cpu.c: New file.
1923 * dv-tx3904irc.c: New file.
1924
1925Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com>
1926
1927 * mips.igen (check_mt_hilo): Create a separate r3900 version.
1928
1929Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com>
1930
1931 * tx.igen (madd,maddu): Replace calls to check_op_hilo
1932 with calls to check_div_hilo.
1933
1934Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com>
1935
1936 * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo):
1937 Replace check_op_hilo with check_mult_hilo and check_div_hilo.
72f4393d 1938 Add special r3900 version of do_mult_hilo.
c906108c
SS
1939 (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo
1940 with calls to check_mult_hilo.
1941 (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo
1942 with calls to check_div_hilo.
1943
1944Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
1945
1946 * configure.in (SUBTARGET_R3900): Define for mipstx39 target.
1947 Document a replacement.
1948
1949Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com>
1950
1951 * interp.c (sim_monitor): Make mon_printf work.
1952
1953Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com>
1954
1955 * sim-main.h (INSN_NAME): New arg `cpu'.
1956
1957Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
1958
72f4393d 1959 * configure: Regenerated to track ../common/aclocal.m4 changes.
c906108c
SS
1960
1961Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
1962
1963 * configure: Regenerated to track ../common/aclocal.m4 changes.
1964 * config.in: Ditto.
1965
1966Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com>
1967
1968 * acconfig.h: New file.
1969 * configure.in: Reverted change of Apr 24; use sinclude again.
1970
1971Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
1972
1973 * configure: Regenerated to track ../common/aclocal.m4 changes.
1974 * config.in: Ditto.
1975
1976Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com>
1977
1978 * configure.in: Don't call sinclude.
1979
1980Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com>
1981
1982 * mips.igen (do_store_left): Pass 0 not NULL to store_memory.
1983
1984Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
1985
1986 * mips.igen (ERET): Implement.
1987
1988 * interp.c (decode_coproc): Return sign-extended EPC.
1989
1990 * mips.igen (ANDI, LUI, MFC0): Add tracing code.
1991
1992 * interp.c (signal_exception): Do not ignore Trap.
1993 (signal_exception): On TRAP, restart at exception address.
1994 (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define.
1995 (signal_exception): Update.
1996 (sim_open): Patch V_COMMON interrupt vector with an abort sequence
1997 so that TRAP instructions are caught.
1998
1999Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com>
2000
2001 * sim-main.h (struct hilo_access, struct hilo_history): Define,
2002 contains HI/LO access history.
2003 (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access.
2004 (HIACCESS, LOACCESS): Delete, replace with
2005 (HIHISTORY, LOHISTORY): New macros.
2006 (CHECKHILO): Delete all, moved to mips.igen
72f4393d 2007
c906108c
SS
2008 * gencode.c (build_instruction): Do not generate checks for
2009 correct HI/LO register usage.
2010
2011 * interp.c (old_engine_run): Delete checks for correct HI/LO
2012 register usage.
2013
2014 * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo,
2015 check_mf_cycles): New functions.
2016 (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div,
2017 do_divu, domultx, do_mult, do_multu): Use.
2018
2019 * tx.igen ("madd", "maddu"): Use.
72f4393d 2020
c906108c
SS
2021Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com>
2022
2023 * mips.igen (DSRAV): Use function do_dsrav.
2024 (SRAV): Use new function do_srav.
2025
2026 * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX].
2027 (B): Sign extend 11 bit immediate.
2028 (EXT-B*): Shift 16 bit immediate left by 1.
2029 (ADDIU*): Don't sign extend immediate value.
2030
2031Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
2032
2033 * m16run.c (sim_engine_run): Restore CIA after handling an event.
2034
2035 * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use
2036 functions.
2037
2038 * mips.igen (delayslot32, nullify_next_insn): New functions.
2039 (m16.igen): Always include.
2040 (do_*): Add more tracing.
2041
2042 * m16.igen (delayslot16): Add NIA argument, could be called by a
2043 32 bit MIPS16 instruction.
72f4393d 2044
c906108c
SS
2045 * interp.c (ifetch16): Move function from here.
2046 * sim-main.c (ifetch16): To here.
72f4393d 2047
c906108c
SS
2048 * sim-main.c (ifetch16, ifetch32): Update to match current
2049 implementations of LH, LW.
2050 (signal_exception): Don't print out incorrect hex value of illegal
2051 instruction.
2052
2053Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
2054
2055 * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an
2056 instruction.
2057
2058 * m16.igen: Implement MIPS16 instructions.
72f4393d 2059
c906108c
SS
2060 * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu,
2061 do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav,
2062 do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or,
2063 do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra,
2064 do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move
2065 bodies of corresponding code from 32 bit insn to these. Also used
2066 by MIPS16 versions of functions.
72f4393d 2067
c906108c
SS
2068 * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define.
2069 (IMEM16): Drop NR argument from macro.
2070
2071Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
2072
2073 * Makefile.in (SIM_OBJS): Add sim-main.o.
2074
2075 * sim-main.h (address_translation, load_memory, store_memory,
2076 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark
2077 as INLINE_SIM_MAIN.
2078 (pr_addr, pr_uword64): Declare.
2079 (sim-main.c): Include when H_REVEALS_MODULE_P.
72f4393d 2080
c906108c
SS
2081 * interp.c (address_translation, load_memory, store_memory,
2082 cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move
2083 from here.
2084 * sim-main.c: To here. Fix compilation problems.
72f4393d 2085
c906108c
SS
2086 * configure.in: Enable inlining.
2087 * configure: Re-config.
2088
2089Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
2090
2091 * configure: Regenerated to track ../common/aclocal.m4 changes.
2092
2093Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
2094
2095 * mips.igen: Include tx.igen.
2096 * Makefile.in (IGEN_INCLUDE): Add tx.igen.
2097 * tx.igen: New file, contains MADD and MADDU.
2098
2099 * interp.c (load_memory): When shifting bytes, use LOADDRMASK not
2100 the hardwired constant `7'.
2101 (store_memory): Ditto.
2102 (LOADDRMASK): Move definition to sim-main.h.
2103
2104 mips.igen (MTC0): Enable for r3900.
2105 (ADDU): Add trace.
2106
2107 mips.igen (do_load_byte): Delete.
2108 (do_load, do_store, do_load_left, do_load_write, do_store_left,
2109 do_store_right): New functions.
2110 (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use.
2111
2112 configure.in: Let the tx39 use igen again.
2113 configure: Update.
72f4393d 2114
c906108c
SS
2115Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
2116
2117 * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity,
2118 not an address sized quantity. Return zero for cache sizes.
2119
2120Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
2121
2122 * mips.igen (r3900): r3900 does not support 64 bit integer
2123 operations.
2124
2125Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com>
2126
2127 * configure.in (mipstx39*-*-*): Use gencode simulator rather
2128 than igen one.
2129 * configure : Rebuild.
72f4393d 2130
c906108c
SS
2131Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2132
2133 * configure: Regenerated to track ../common/aclocal.m4 changes.
2134
2135Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
2136
2137 * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS.
2138
2139Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com>
2140
2141 * configure: Regenerated to track ../common/aclocal.m4 changes.
2142 * config.in: Regenerated to track ../common/aclocal.m4 changes.
2143
2144Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
2145
2146 * configure: Regenerated to track ../common/aclocal.m4 changes.
2147
2148Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com>
2149
2150 * interp.c (Max, Min): Comment out functions. Not yet used.
2151
2152Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
2153
2154 * configure: Regenerated to track ../common/aclocal.m4 changes.
2155
2156Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com>
2157
2158 * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added
2159 configurable settings for stand-alone simulator.
72f4393d 2160
c906108c 2161 * configure.in: Added X11 search, just in case.
72f4393d 2162
c906108c
SS
2163 * configure: Regenerated.
2164
2165Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com>
2166
2167 * interp.c (sim_write, sim_read, load_memory, store_memory):
2168 Replace sim_core_*_map with read_map, write_map, exec_map resp.
2169
2170Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
2171
2172 * sim-main.h (GETFCC): Return an unsigned value.
2173
2174Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
2175
2176 * mips.igen (DIV): Fix check for -1 / MIN_INT.
2177 (DADD): Result destination is RD not RT.
2178
2179Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
2180
2181 * sim-main.h (HIACCESS, LOACCESS): Always define.
2182
2183 * mdmx.igen (Maxi, Mini): Rename Max, Min.
2184
2185 * interp.c (sim_info): Delete.
2186
2187Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com>
2188
2189 * interp.c (DECLARE_OPTION_HANDLER): Use it.
2190 (mips_option_handler): New argument `cpu'.
2191 (sim_open): Update call to sim_add_option_table.
2192
2193Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
2194
2195 * mips.igen (CxC1): Add tracing.
2196
2197Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com>
2198
2199 * sim-main.h (Max, Min): Declare.
2200
2201 * interp.c (Max, Min): New functions.
2202
2203 * mips.igen (BC1): Add tracing.
72f4393d 2204
c906108c 2205Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com>
72f4393d 2206
c906108c 2207 * interp.c Added memory map for stack in vr4100
72f4393d 2208
c906108c
SS
2209Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com>
2210
2211 * interp.c (load_memory): Add missing "break"'s.
2212
2213Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
2214
2215 * interp.c (sim_store_register, sim_fetch_register): Pass in
2216 length parameter. Return -1.
2217
2218Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com>
2219
2220 * interp.c: Added hardware init hook, fixed warnings.
2221
2222Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com>
2223
2224 * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL.
2225
2226Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
2227
2228 * interp.c (ifetch16): New function.
2229
2230 * sim-main.h (IMEM32): Rename IMEM.
2231 (IMEM16_IMMED): Define.
2232 (IMEM16): Define.
2233 (DELAY_SLOT): Update.
72f4393d 2234
c906108c 2235 * m16run.c (sim_engine_run): New file.
72f4393d 2236
c906108c
SS
2237 * m16.igen: All instructions except LB.
2238 (LB): Call do_load_byte.
2239 * mips.igen (do_load_byte): New function.
2240 (LB): Call do_load_byte.
2241
2242 * mips.igen: Move spec for insn bit size and high bit from here.
2243 * Makefile.in (tmp-igen, tmp-m16): To here.
2244
2245 * m16.dc: New file, decode mips16 instructions.
2246
2247 * Makefile.in (SIM_NO_ALL): Define.
2248 (tmp-m16): Generate both 16 bit and 32 bit simulator engines.
2249
2250Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
2251
2252 * configure.in (mips_fpu_bitsize): For tx39, restrict floating
2253 point unit to 32 bit registers.
2254 * configure: Re-generate.
2255
2256Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com>
2257
2258 * configure.in (sim_use_gen): Make IGEN the default simulator
2259 generator for generic 32 and 64 bit mips targets.
2260 * configure: Re-generate.
2261
2262Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com>
2263
2264 * sim-main.h (SizeFGR): Determine from floating-point and not gpr
2265 bitsize.
2266
2267 * interp.c (sim_fetch_register, sim_store_register): Read/write
2268 FGR from correct location.
2269 (sim_open): Set size of FGR's according to
2270 WITH_TARGET_FLOATING_POINT_BITSIZE.
72f4393d 2271
c906108c
SS
2272 * sim-main.h (FGR): Store floating point registers in a separate
2273 array.
2274
2275Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
2276
2277 * configure: Regenerated to track ../common/aclocal.m4 changes.
2278
2279Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
2280
2281 * interp.c (ColdReset): Call PENDING_INVALIDATE.
2282
2283 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK.
2284
2285 * interp.c (pending_tick): New function. Deliver pending writes.
2286
2287 * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED,
2288 PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that
2289 it can handle mixed sized quantites and single bits.
72f4393d 2290
c906108c
SS
2291Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
2292
2293 * interp.c (oengine.h): Do not include when building with IGEN.
2294 (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE.
2295 (sim_info): Ditto for PROCESSOR_64BIT.
2296 (sim_monitor): Replace ut_reg with unsigned_word.
2297 (*): Ditto for t_reg.
2298 (LOADDRMASK): Define.
2299 (sim_open): Remove defunct check that host FP is IEEE compliant,
2300 using software to emulate floating point.
2301 (value_fpr, ...): Always compile, was conditional on HASFPU.
2302
2303Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
2304
2305 * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in
2306 size.
2307
2308 * interp.c (SD, CPU): Define.
2309 (mips_option_handler): Set flags in each CPU.
2310 (interrupt_event): Assume CPU 0 is the one being iterrupted.
2311 (sim_close): Do not clear STATE, deleted anyway.
2312 (sim_write, sim_read): Assume CPU zero's vm should be used for
2313 data transfers.
2314 (sim_create_inferior): Set the PC for all processors.
2315 (sim_monitor, store_word, load_word, mips16_entry): Add cpu
2316 argument.
2317 (mips16_entry): Pass correct nr of args to store_word, load_word.
2318 (ColdReset): Cold reset all cpu's.
2319 (signal_exception): Pass cpu to sim_monitor & mips16_entry.
2320 (sim_monitor, load_memory, store_memory, signal_exception): Use
2321 `CPU' instead of STATE_CPU.
2322
2323
2324 * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with
2325 SD or CPU_.
72f4393d 2326
c906108c
SS
2327 * sim-main.h (signal_exception): Add sim_cpu arg.
2328 (SignalException*): Pass both SD and CPU to signal_exception.
2329 * interp.c (signal_exception): Update.
72f4393d 2330
c906108c
SS
2331 * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c:
2332 Ditto
2333 (sync_operation, prefetch, cache_op, store_memory, load_memory,
2334 address_translation): Ditto
2335 (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto.
72f4393d 2336
c906108c
SS
2337Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
2338
2339 * configure: Regenerated to track ../common/aclocal.m4 changes.
2340
2341Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
2342
2343 * interp.c (sim_engine_run): Add `nr_cpus' argument.
2344
72f4393d 2345 * mips.igen (model): Map processor names onto BFD name.
c906108c
SS
2346
2347 * sim-main.h (CPU_CIA): Delete.
2348 (SET_CIA, GET_CIA): Define
2349
2350Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
2351
2352 * sim-main.h (GPR_SET): Define, used by igen when zeroing a
2353 regiser.
2354
2355 * configure.in (default_endian): Configure a big-endian simulator
2356 by default.
2357 * configure: Re-generate.
72f4393d 2358
c906108c
SS
2359Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
2360
2361 * configure: Regenerated to track ../common/aclocal.m4 changes.
2362
2363Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com>
2364
2365 * interp.c (sim_monitor): Handle Densan monitor outbyte
2366 and inbyte functions.
2367
23681997-12-29 Felix Lee <flee@cygnus.com>
2369
2370 * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c).
2371
2372Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com)
2373
2374 * Makefile.in (tmp-igen): Arrange for $zero to always be
2375 reset to zero after every instruction.
2376
2377Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2378
2379 * configure: Regenerated to track ../common/aclocal.m4 changes.
2380 * config.in: Ditto.
2381
2382Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com)
2383
2384 * mips.igen (MSUB): Fix to work like MADD.
2385 * gencode.c (MSUB): Similarly.
2386
2387Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
2388
2389 * configure: Regenerated to track ../common/aclocal.m4 changes.
2390
2391Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2392
2393 * mips.igen (LWC1): Correct assembler - lwc1 not swc1.
2394
2395Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2396
2397 * sim-main.h (sim-fpu.h): Include.
2398
2399 * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub,
2400 Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite
2401 using host independant sim_fpu module.
2402
2403Thu Nov 20 19:56:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2404
2405 * interp.c (signal_exception): Report internal errors with SIGABRT
2406 not SIGQUIT.
2407
2408 * sim-main.h (C0_CONFIG): New register.
2409 (signal.h): No longer include.
2410
2411 * interp.c (decode_coproc): Allow access C0_CONFIG to register.
2412
2413Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
2414
2415 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
2416
2417Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2418
2419 * mips.igen: Tag vr5000 instructions.
2420 (ANDI): Was missing mipsIV model, fix assembler syntax.
2421 (do_c_cond_fmt): New function.
2422 (C.cond.fmt): Handle mips I-III which do not support CC field
2423 separatly.
2424 (bc1): Handle mips IV which do not have a delaed FCC separatly.
2425 (SDR): Mask paddr when BigEndianMem, not the converse as specified
2426 in IV3.2 spec.
2427 (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle
2428 vr5000 which saves LO in a GPR separatly.
72f4393d 2429
c906108c
SS
2430 * configure.in (enable-sim-igen): For vr5000, select vr5000
2431 specific instructions.
2432 * configure: Re-generate.
72f4393d 2433
c906108c
SS
2434Wed Nov 12 14:42:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
2435
2436 * Makefile.in (SIM_OBJS): Add sim-fpu module.
2437
2438 * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and
2439 fmt_uninterpreted_64 bit cases to switch. Convert to
2440 fmt_formatted,
2441
2442 * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define,
2443
2444 * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse
2445 as specified in IV3.2 spec.
2446 (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR.
2447
2448Tue Nov 11 12:38:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
2449
2450 * mips.igen: Delay slot branches add OFFSET to NIA not CIA.
2451 (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement.
2452 (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non
2453 PENDING_FILL versions of instructions. Simplify.
2454 (X): New function.
2455 (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of
2456 instructions.
2457 (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to
2458 a signed value.
2459 (MTHI, MFHI): Disable code checking HI-LO.
72f4393d 2460
c906108c
SS
2461 * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh
2462 global.
2463 (NULLIFY_NEXT_INSTRUCTION): Call dotrace.
2464
2465Thu Nov 6 16:36:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
2466
2467 * gencode.c (build_mips16_operands): Replace IPC with cia.
2468
2469 * interp.c (sim_monitor, signal_exception, cache_op, store_fpr,
2470 value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace
2471 IPC to `cia'.
2472 (UndefinedResult): Replace function with macro/function
2473 combination.
2474 (sim_engine_run): Don't save PC in IPC.
2475
2476 * sim-main.h (IPC): Delete.
2477
2478
2479 * interp.c (signal_exception, store_word, load_word,
2480 address_translation, load_memory, store_memory, cache_op,
2481 prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert,
2482 cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add
2483 current instruction address - cia - argument.
2484 (sim_read, sim_write): Call address_translation directly.
2485 (sim_engine_run): Rename variable vaddr to cia.
2486 (signal_exception): Pass cia to sim_monitor
72f4393d 2487
c906108c
SS
2488 * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp,
2489 Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW,
2490 COP_LD, COP_SW, COP_SD, DecodeCoproc): Update.
2491
2492 * sim-main.h (SignalExceptionSimulatorFault): Delete definition.
2493 * interp.c (sim_open): Replace SignalExceptionSimulatorFault with
2494 SIM_ASSERT.
72f4393d 2495
c906108c
SS
2496 * interp.c (signal_exception): Pass restart address to
2497 sim_engine_restart.
2498
2499 * Makefile.in (semantics.o, engine.o, support.o, itable.o,
2500 idecode.o): Add dependency.
2501
2502 * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK):
2503 Delete definitions
2504 (DELAY_SLOT): Update NIA not PC with branch address.
2505 (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next.
2506
2507 * mips.igen: Use CIA not PC in branch calculations.
2508 (illegal): Call SignalException.
2509 (BEQ, ADDIU): Fix assembler.
2510
2511Wed Nov 5 12:19:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2512
2513 * m16.igen (JALX): Was missing.
2514
2515 * configure.in (enable-sim-igen): New configuration option.
2516 * configure: Re-generate.
72f4393d 2517
c906108c
SS
2518 * sim-main.h (MAX_INSNS, INSN_NAME): Define.
2519
2520 * interp.c (load_memory, store_memory): Delete parameter RAW.
2521 (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
2522 bypassing {load,store}_memory.
2523
2524 * sim-main.h (ByteSwapMem): Delete definition.
2525
2526 * Makefile.in (SIM_OBJS): Add sim-memopt module.
2527
2528 * interp.c (sim_do_command, sim_commands): Delete mips specific
2529 commands. Handled by module sim-options.
72f4393d 2530
c906108c
SS
2531 * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
2532 (WITH_MODULO_MEMORY): Define.
2533
2534 * interp.c (sim_info): Delete code printing memory size.
2535
2536 * interp.c (mips_size): Nee sim_size, delete function.
2537 (power2): Delete.
2538 (monitor, monitor_base, monitor_size): Delete global variables.
2539 (sim_open, sim_close): Delete code creating monitor and other
2540 memory regions. Use sim-memopts module, via sim_do_commandf, to
2541 manage memory regions.
2542 (load_memory, store_memory): Use sim-core for memory model.
72f4393d 2543
c906108c
SS
2544 * interp.c (address_translation): Delete all memory map code
2545 except line forcing 32 bit addresses.
2546
2547Wed Nov 5 11:21:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
2548
2549 * sim-main.h (WITH_TRACE): Delete definition. Enables common
2550 trace options.
2551
2552 * interp.c (logfh, logfile): Delete globals.
2553 (sim_open, sim_close): Delete code opening & closing log file.
2554 (mips_option_handler): Delete -l and -n options.
2555 (OPTION mips_options): Ditto.
2556
2557 * interp.c (OPTION mips_options): Rename option trace to dinero.
2558 (mips_option_handler): Update.
2559
2560Wed Nov 5 09:35:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2561
2562 * interp.c (fetch_str): New function.
2563 (sim_monitor): Rewrite using sim_read & sim_write.
2564 (sim_open): Check magic number.
2565 (sim_open): Write monitor vectors into memory using sim_write.
2566 (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
2567 (sim_read, sim_write): Simplify - transfer data one byte at a
2568 time.
2569 (load_memory, store_memory): Clarify meaning of parameter RAW.
2570
2571 * sim-main.h (isHOST): Defete definition.
2572 (isTARGET): Mark as depreciated.
2573 (address_translation): Delete parameter HOST.
2574
2575 * interp.c (address_translation): Delete parameter HOST.
2576
2577Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
2578
72f4393d 2579 * mips.igen:
c906108c
SS
2580
2581 * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
2582 (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
2583
2584Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
2585
2586 * mips.igen: Add model filter field to records.
2587
2588Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2589
2590 * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
72f4393d 2591
c906108c
SS
2592 interp.c (sim_engine_run): Do not compile function sim_engine_run
2593 when WITH_IGEN == 1.
2594
2595 * configure.in (sim_igen_flags, sim_m16_flags): Set according to
2596 target architecture.
2597
2598 Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
2599 igen. Replace with configuration variables sim_igen_flags /
2600 sim_m16_flags.
2601
2602 * m16.igen: New file. Copy mips16 insns here.
2603 * mips.igen: From here.
2604
2605Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com>
2606
2607 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
2608 to top.
2609 (tmp-igen, tmp-m16): Pass -I srcdir to igen.
2610
2611Sat Oct 25 16:51:40 1997 Gavin Koch <gavin@cygnus.com>
2612
2613 * gencode.c (build_instruction): Follow sim_write's lead in using
2614 BigEndianMem instead of !ByteSwapMem.
2615
2616Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
2617
2618 * configure.in (sim_gen): Dependent on target, select type of
2619 generator. Always select old style generator.
2620
2621 configure: Re-generate.
2622
2623 Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
2624 targets.
2625 (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
2626 SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
2627 IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
2628 (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
2629 SIM_@sim_gen@_*, set by autoconf.
72f4393d 2630
c906108c
SS
2631Wed Oct 22 12:52:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
2632
2633 * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
2634
2635 * interp.c (ColdReset): Remove #ifdef HASFPU, check
2636 CURRENT_FLOATING_POINT instead.
2637
2638 * interp.c (ifetch32): New function. Fetch 32 bit instruction.
2639 (address_translation): Raise exception InstructionFetch when
2640 translation fails and isINSTRUCTION.
72f4393d 2641
c906108c
SS
2642 * interp.c (sim_open, sim_write, sim_monitor, store_word,
2643 sim_engine_run): Change type of of vaddr and paddr to
2644 address_word.
2645 (address_translation, prefetch, load_memory, store_memory,
2646 cache_op): Change type of vAddr and pAddr to address_word.
2647
2648 * gencode.c (build_instruction): Change type of vaddr and paddr to
2649 address_word.
2650
2651Mon Oct 20 15:29:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
2652
2653 * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
2654 macro to obtain result of ALU op.
2655
2656Tue Oct 21 17:39:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2657
2658 * interp.c (sim_info): Call profile_print.
2659
2660Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2661
2662 * Makefile.in (SIM_OBJS): Add sim-profile.o module.
2663
2664 * sim-main.h (WITH_PROFILE): Do not define, defined in
2665 common/sim-config.h. Use sim-profile module.
2666 (simPROFILE): Delete defintion.
2667
2668 * interp.c (PROFILE): Delete definition.
2669 (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
2670 (sim_close): Delete code writing profile histogram.
2671 (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
2672 Delete.
2673 (sim_engine_run): Delete code profiling the PC.
2674
2675Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2676
2677 * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
2678
2679 * interp.c (sim_monitor): Make register pointers of type
2680 unsigned_word*.
2681
2682 * sim-main.h: Make registers of type unsigned_word not
2683 signed_word.
2684
2685Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2686
2687 * interp.c (sync_operation): Rename from SyncOperation, make
2688 global, add SD argument.
2689 (prefetch): Rename from Prefetch, make global, add SD argument.
2690 (decode_coproc): Make global.
2691
2692 * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
2693
2694 * gencode.c (build_instruction): Generate DecodeCoproc not
2695 decode_coproc calls.
2696
2697 * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
2698 (SizeFGR): Move to sim-main.h
2699 (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
2700 simSIGINT, simJALDELAYSLOT): Move to sim-main.h
2701 (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
2702 sim-main.h.
2703 (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
2704 FP_RM_TOMINF, GETRM): Move to sim-main.h.
2705 (Uncached, CachedNoncoherent, CachedCoherent, Cached,
2706 isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
2707 (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
2708 BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
72f4393d 2709
c906108c
SS
2710 * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
2711 exception.
2712 (sim-alu.h): Include.
2713 (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
2714 (sim_cia): Typedef to instruction_address.
72f4393d 2715
c906108c
SS
2716Thu Oct 16 10:31:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
2717
2718 * Makefile.in (interp.o): Rename generated file engine.c to
2719 oengine.c.
72f4393d 2720
c906108c 2721 * interp.c: Update.
72f4393d 2722
c906108c
SS
2723Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2724
2725 * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
72f4393d 2726
c906108c
SS
2727Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2728
2729 * gencode.c (build_instruction): For "FPSQRT", output correct
2730 number of arguments to Recip.
72f4393d 2731
c906108c
SS
2732Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
2733
2734 * Makefile.in (interp.o): Depends on sim-main.h
2735
2736 * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
2737
2738 * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
2739 ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
2740 (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
2741 STATE, DSSTATE): Define
2742 (GPR, FGRIDX, ..): Define.
2743
2744 * interp.c (registers, register_widths, fpr_state, ipc, dspc,
2745 pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
2746 (GPR, FGRIDX, ...): Delete macros.
72f4393d 2747
c906108c 2748 * interp.c: Update names to match defines from sim-main.h
72f4393d 2749
c906108c
SS
2750Tue Oct 14 15:11:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
2751
2752 * interp.c (sim_monitor): Add SD argument.
2753 (sim_warning): Delete. Replace calls with calls to
2754 sim_io_eprintf.
2755 (sim_error): Delete. Replace calls with sim_io_error.
2756 (open_trace, writeout32, writeout16, getnum): Add SD argument.
2757 (mips_set_profile): Rename from sim_set_profile. Add SD argument.
2758 (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
2759 argument.
2760 (mips_size): Rename from sim_size. Add SD argument.
2761
2762 * interp.c (simulator): Delete global variable.
2763 (callback): Delete global variable.
2764 (mips_option_handler, sim_open, sim_write, sim_read,
2765 sim_store_register, sim_fetch_register, sim_info, sim_do_command,
2766 sim_size,sim_monitor): Use sim_io_* not callback->*.
2767 (sim_open): ZALLOC simulator struct.
2768 (PROFILE): Do not define.
2769
2770Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2771
2772 * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
2773 support.h with corresponding code.
2774
2775 * sim-main.h (word64, uword64), support.h: Move definition to
2776 sim-main.h.
2777 (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
2778
2779 * support.h: Delete
2780 * Makefile.in: Update dependencies
2781 * interp.c: Do not include.
72f4393d 2782
c906108c
SS
2783Tue Oct 14 13:35:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2784
2785 * interp.c (address_translation, load_memory, store_memory,
2786 cache_op): Rename to from AddressTranslation et.al., make global,
2787 add SD argument
72f4393d 2788
c906108c
SS
2789 * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
2790 CacheOp): Define.
72f4393d 2791
c906108c
SS
2792 * interp.c (SignalException): Rename to signal_exception, make
2793 global.
2794
2795 * interp.c (Interrupt, ...): Move definitions to sim-main.h.
72f4393d 2796
c906108c
SS
2797 * sim-main.h (SignalException, SignalExceptionInterrupt,
2798 SignalExceptionInstructionFetch, SignalExceptionAddressStore,
2799 SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
2800 SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
2801 Define.
72f4393d 2802
c906108c 2803 * interp.c, support.h: Use.
72f4393d 2804
c906108c
SS
2805Tue Oct 14 13:19:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2806
2807 * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
2808 to value_fpr / store_fpr. Add SD argument.
2809 (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
2810 Multiply, Divide, Recip, SquareRoot, Convert): Make global.
2811
2812 * sim-main.h (ValueFPR, StoreFPR): Define.
72f4393d 2813
c906108c
SS
2814Tue Oct 14 13:06:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
2815
2816 * interp.c (sim_engine_run): Check consistency between configure
2817 WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
2818 and HASFPU.
2819
2820 * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
72f4393d 2821 (mips_fpu): Configure WITH_FLOATING_POINT.
c906108c
SS
2822 (mips_endian): Configure WITH_TARGET_ENDIAN.
2823 * configure: Update.
2824
2825Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
2826
2827 * configure: Regenerated to track ../common/aclocal.m4 changes.
2828
2829Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com>
2830
2831 * configure: Regenerated.
2832
2833Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com>
2834
2835 * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
2836
2837Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2838
2839 * gencode.c (print_igen_insn_models): Assume certain architectures
2840 include all mips* instructions.
2841 (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
2842 instruction.
2843
2844 * Makefile.in (tmp.igen): Add target. Generate igen input from
2845 gencode file.
2846
2847 * gencode.c (FEATURE_IGEN): Define.
2848 (main): Add --igen option. Generate output in igen format.
2849 (process_instructions): Format output according to igen option.
2850 (print_igen_insn_format): New function.
2851 (print_igen_insn_models): New function.
2852 (process_instructions): Only issue warnings and ignore
2853 instructions when no FEATURE_IGEN.
2854
2855Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2856
2857 * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
2858 MIPS targets.
2859
2860Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
2861
2862 * configure: Regenerated to track ../common/aclocal.m4 changes.
2863
2864Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
2865
2866 * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
2867 SIM_RESERVED_BITS): Delete, moved to common.
2868 (SIM_EXTRA_CFLAGS): Update.
72f4393d 2869
c906108c
SS
2870Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
2871
2872 * configure.in: Configure non-strict memory alignment.
2873 * configure: Regenerated to track ../common/aclocal.m4 changes.
2874
2875Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
2876
2877 * configure: Regenerated to track ../common/aclocal.m4 changes.
2878
2879Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com>
2880
2881 * gencode.c (SDBBP,DERET): Added (3900) insns.
2882 (RFE): Turn on for 3900.
2883 * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
2884 (dsstate): Made global.
2885 (SUBTARGET_R3900): Added.
2886 (CANCELDELAYSLOT): New.
2887 (SignalException): Ignore SystemCall rather than ignore and
2888 terminate. Add DebugBreakPoint handling.
2889 (decode_coproc): New insns RFE, DERET; and new registers Debug
2890 and DEPC protected by SUBTARGET_R3900.
2891 (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
2892 bits explicitly.
2893 * Makefile.in,configure.in: Add mips subtarget option.
72f4393d 2894 * configure: Update.
c906108c
SS
2895
2896Fri Sep 19 09:33:27 1997 Gavin Koch <gavin@cygnus.com>
2897
2898 * gencode.c: Add r3900 (tx39).
72f4393d 2899
c906108c
SS
2900
2901Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com>
2902
2903 * gencode.c (build_instruction): Don't need to subtract 4 for
2904 JALR, just 2.
2905
2906Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com>
2907
2908 * interp.c: Correct some HASFPU problems.
2909
2910Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
2911
2912 * configure: Regenerated to track ../common/aclocal.m4 changes.
2913
2914Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com>
2915
2916 * interp.c (mips_options): Fix samples option short form, should
2917 be `x'.
2918
2919Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
2920
2921 * interp.c (sim_info): Enable info code. Was just returning.
2922
2923Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
2924
2925 * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
2926 MFC0.
2927
2928Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
2929
2930 * gencode.c (build_instruction): Use SIGNED64 for 64 bit
2931 constants.
2932 (build_instruction): Ditto for LL.
2933
2934Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
2935
2936 * configure: Regenerated to track ../common/aclocal.m4 changes.
2937
2938Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2939
2940 * configure: Regenerated to track ../common/aclocal.m4 changes.
2941 * config.in: Ditto.
2942
2943Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
2944
2945 * interp.c (sim_open): Add call to sim_analyze_program, update
2946 call to sim_config.
2947
2948Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
2949
2950 * interp.c (sim_kill): Delete.
2951 (sim_create_inferior): Add ABFD argument. Set PC from same.
2952 (sim_load): Move code initializing trap handlers from here.
2953 (sim_open): To here.
2954 (sim_load): Delete, use sim-hload.c.
2955
2956 * Makefile.in (SIM_OBJS): Add sim-hload.o module.
2957
2958Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
2959
2960 * configure: Regenerated to track ../common/aclocal.m4 changes.
2961 * config.in: Ditto.
2962
2963Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
2964
2965 * interp.c (sim_open): Add ABFD argument.
2966 (sim_load): Move call to sim_config from here.
2967 (sim_open): To here. Check return status.
2968
2969Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com>
72f4393d 2970
c906108c
SS
2971 * gencode.c (build_instruction): Two arg MADD should
2972 not assign result to $0.
72f4393d 2973
c906108c
SS
2974Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com)
2975
2976 * sim/mips/configure: Change default_sim_endian to 0 (bi-endian)
2977 * sim/mips/configure.in: Regenerate.
2978
2979Wed Jul 9 10:29:21 1997 Andrew Cagney <cagney@critters.cygnus.com>
2980
2981 * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit
2982 signed8, unsigned8 et.al. types.
2983
2984 * interp.c (SUB_REG_FETCH): Handle both little and big endian
2985 hosts when selecting subreg.
2986
2987Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com)
2988
2989 * interp.c (sim_engine_run): Reset the ZERO register to zero
2990 regardless of FEATURE_WARN_ZERO.
2991 * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO.
2992
2993Wed Jun 4 10:43:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
2994
2995 * interp.c (decode_coproc): Implement MTC0 N, CAUSE.
2996 (SignalException): For BreakPoints ignore any mode bits and just
2997 save the PC.
2998 (SignalException): Always set the CAUSE register.
2999
3000Tue Jun 3 05:00:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
3001
3002 * interp.c (SignalException): Clear the simDELAYSLOT flag when an
3003 exception has been taken.
3004
3005 * interp.c: Implement the ERET and mt/f sr instructions.
3006
3007Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
3008
3009 * interp.c (SignalException): Don't bother restarting an
3010 interrupt.
3011
3012Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
3013
3014 * interp.c (SignalException): Really take an interrupt.
3015 (interrupt_event): Only deliver interrupts when enabled.
3016
3017Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
3018
3019 * interp.c (sim_info): Only print info when verbose.
3020 (sim_info) Use sim_io_printf for output.
72f4393d 3021
c906108c
SS
3022Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
3023
3024 * interp.c (CoProcPresent): Add UNUSED attribute - not used by all
3025 mips architectures.
3026
3027Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
3028
3029 * interp.c (sim_do_command): Check for common commands if a
3030 simulator specific command fails.
3031
3032Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com>
3033
3034 * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP
3035 and simBE when DEBUG is defined.
3036
3037Wed May 21 09:08:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
3038
3039 * interp.c (interrupt_event): New function. Pass exception event
3040 onto exception handler.
3041
3042 * configure.in: Check for stdlib.h.
3043 * configure: Regenerate.
3044
3045 * gencode.c (build_instruction): Add UNUSED attribute to tempS
3046 variable declaration.
3047 (build_instruction): Initialize memval1.
3048 (build_instruction): Add UNUSED attribute to byte, bigend,
3049 reverse.
3050 (build_operands): Ditto.
3051
3052 * interp.c: Fix GCC warnings.
3053 (sim_get_quit_code): Delete.
3054
3055 * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS.
3056 * Makefile.in: Ditto.
3057 * configure: Re-generate.
72f4393d 3058
c906108c
SS
3059 * Makefile.in (SIM_OBJS): Add sim-watch.o module.
3060
3061Tue May 20 15:08:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
3062
3063 * interp.c (mips_option_handler): New function parse argumes using
3064 sim-options.
3065 (myname): Replace with STATE_MY_NAME.
3066 (sim_open): Delete check for host endianness - performed by
3067 sim_config.
3068 (simHOSTBE, simBE): Delete, replaced by sim-endian flags.
3069 (sim_open): Move much of the initialization from here.
3070 (sim_load): To here. After the image has been loaded and
3071 endianness set.
3072 (sim_open): Move ColdReset from here.
3073 (sim_create_inferior): To here.
3074 (sim_open): Make FP check less dependant on host endianness.
3075
3076 * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or
3077 run.
3078 * interp.c (sim_set_callbacks): Delete.
3079
3080 * interp.c (membank, membank_base, membank_size): Replace with
3081 STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE.
3082 (sim_open): Remove call to callback->init. gdb/run do this.
3083
3084 * interp.c: Update
3085
3086 * sim-main.h (SIM_HAVE_FLATMEM): Define.
3087
3088 * interp.c (big_endian_p): Delete, replaced by
3089 current_target_byte_order.
3090
3091Tue May 20 13:55:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
3092
3093 * interp.c (host_read_long, host_read_word, host_swap_word,
3094 host_swap_long): Delete. Using common sim-endian.
3095 (sim_fetch_register, sim_store_register): Use H2T.
3096 (pipeline_ticks): Delete. Handled by sim-events.
3097 (sim_info): Update.
3098 (sim_engine_run): Update.
3099
3100Tue May 20 13:42:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
3101
3102 * interp.c (sim_stop_reason): Move code determining simEXCEPTION
3103 reason from here.
3104 (SignalException): To here. Signal using sim_engine_halt.
3105 (sim_stop_reason): Delete, moved to common.
72f4393d 3106
c906108c
SS
3107Tue May 20 10:19:48 1997 Andrew Cagney <cagney@b2.cygnus.com>
3108
3109 * interp.c (sim_open): Add callback argument.
3110 (sim_set_callbacks): Delete SIM_DESC argument.
3111 (sim_size): Ditto.
3112
3113Mon May 19 18:20:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
3114
3115 * Makefile.in (SIM_OBJS): Add common modules.
3116
3117 * interp.c (sim_set_callbacks): Also set SD callback.
3118 (set_endianness, xfer_*, swap_*): Delete.
3119 (host_read_word, host_read_long, host_swap_word, host_swap_long):
3120 Change to functions using sim-endian macros.
3121 (control_c, sim_stop): Delete, use common version.
3122 (simulate): Convert into.
3123 (sim_engine_run): This function.
3124 (sim_resume): Delete.
72f4393d 3125
c906108c
SS
3126 * interp.c (simulation): New variable - the simulator object.
3127 (sim_kind): Delete global - merged into simulation.
3128 (sim_load): Cleanup. Move PC assignment from here.
3129 (sim_create_inferior): To here.
3130
3131 * sim-main.h: New file.
3132 * interp.c (sim-main.h): Include.
72f4393d 3133
c906108c
SS
3134Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
3135
3136 * configure: Regenerated to track ../common/aclocal.m4 changes.
3137
3138Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com>
3139
3140 * tconfig.in (SIM_HAVE_BIENDIAN): Define.
3141
3142Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com>
3143
72f4393d
L
3144 * gencode.c (build_instruction): DIV instructions: check
3145 for division by zero and integer overflow before using
c906108c
SS
3146 host's division operation.
3147
3148Thu Apr 17 03:18:14 1997 Doug Evans <dje@canuck.cygnus.com>
3149
3150 * Makefile.in (SIM_OBJS): Add sim-load.o.
3151 * interp.c: #include bfd.h.
3152 (target_byte_order): Delete.
3153 (sim_kind, myname, big_endian_p): New static locals.
3154 (sim_open): Set sim_kind, myname. Move call to set_endianness to
3155 after argument parsing. Recognize -E arg, set endianness accordingly.
3156 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
3157 load file into simulator. Set PC from bfd.
3158 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
3159 (set_endianness): Use big_endian_p instead of target_byte_order.
3160
3161Wed Apr 16 17:55:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
3162
3163 * interp.c (sim_size): Delete prototype - conflicts with
3164 definition in remote-sim.h. Correct definition.
3165
3166Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
3167
3168 * configure: Regenerated to track ../common/aclocal.m4 changes.
3169 * config.in: Ditto.
3170
3171Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
3172
3173 * interp.c (sim_open): New arg `kind'.
3174
3175 * configure: Regenerated to track ../common/aclocal.m4 changes.
3176
3177Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
3178
3179 * configure: Regenerated to track ../common/aclocal.m4 changes.
3180
3181Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
3182
3183 * interp.c (sim_open): Set optind to 0 before calling getopt.
3184
3185Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
3186
3187 * configure: Regenerated to track ../common/aclocal.m4 changes.
3188
3189Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
3190
3191 * interp.c : Replace uses of pr_addr with pr_uword64
3192 where the bit length is always 64 independent of SIM_ADDR.
3193 (pr_uword64) : added.
3194
3195Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
3196
3197 * configure: Re-generate.
3198
3199Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
3200
3201 * configure: Regenerate to track ../common/aclocal.m4 changes.
3202
3203Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
3204
3205 * interp.c (sim_open): New SIM_DESC result. Argument is now
3206 in argv form.
3207 (other sim_*): New SIM_DESC argument.
3208
3209Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
3210
3211 * interp.c: Fix printing of addresses for non-64-bit targets.
3212 (pr_addr): Add function to print address based on size.
3213
3214Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
3215
3216 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
3217
3218Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
3219
3220 * gencode.c (build_mips16_operands): Correct computation of base
3221 address for extended PC relative instruction.
3222
3223Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
3224
3225 * interp.c (mips16_entry): Add support for floating point cases.
3226 (SignalException): Pass floating point cases to mips16_entry.
3227 (ValueFPR): Don't restrict fmt_single and fmt_word to even
3228 registers.
3229 (StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
3230 or fmt_word.
3231 (COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
3232 and then set the state to fmt_uninterpreted.
3233 (COP_SW): Temporarily set the state to fmt_word while calling
3234 ValueFPR.
3235
3236Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
3237
3238 * gencode.c (build_instruction): The high order may be set in the
3239 comparison flags at any ISA level, not just ISA 4.
3240
3241Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
3242
3243 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
3244 COMMON_{PRE,POST}_CONFIG_FRAG instead.
3245 * configure.in: sinclude ../common/aclocal.m4.
3246 * configure: Regenerated.
3247
3248Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
3249
3250 * configure: Rebuild after change to aclocal.m4.
3251
3252Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
3253
3254 * configure configure.in Makefile.in: Update to new configure
3255 scheme which is more compatible with WinGDB builds.
3256 * configure.in: Improve comment on how to run autoconf.
3257 * configure: Re-run autoconf to get new ../common/aclocal.m4.
3258 * Makefile.in: Use autoconf substitution to install common
3259 makefile fragment.
3260
3261Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
3262
3263 * gencode.c (build_instruction): Use BigEndianCPU instead of
3264 ByteSwapMem.
3265
3266Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
3267
3268 * interp.c (sim_monitor): Make output to stdout visible in
3269 wingdb's I/O log window.
3270
3271Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
3272
3273 * support.h: Undo previous change to SIGTRAP
3274 and SIGQUIT values.
3275
3276Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
3277
3278 * interp.c (store_word, load_word): New static functions.
3279 (mips16_entry): New static function.
3280 (SignalException): Look for mips16 entry and exit instructions.
3281 (simulate): Use the correct index when setting fpr_state after
3282 doing a pending move.
3283
3284Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
3285
3286 * interp.c: Fix byte-swapping code throughout to work on
3287 both little- and big-endian hosts.
3288
3289Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
3290
3291 * support.h: Make definitions of SIGTRAP and SIGQUIT consistent
3292 with gdb/config/i386/xm-windows.h.
3293
3294Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
3295
3296 * gencode.c (build_instruction): Work around MSVC++ code gen bug
3297 that messes up arithmetic shifts.
3298
3299Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
3300
3301 * support.h: Use _WIN32 instead of __WIN32__. Also add defs for
3302 SIGTRAP and SIGQUIT for _WIN32.
3303
3304Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
3305
3306 * gencode.c (build_instruction) [MUL]: Cast operands to word64, to
3307 force a 64 bit multiplication.
3308 (build_instruction) [OR]: In mips16 mode, don't do anything if the
3309 destination register is 0, since that is the default mips16 nop
3310 instruction.
3311
3312Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
3313
3314 * gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
3315 (build_endian_shift): Don't check proc64.
3316 (build_instruction): Always set memval to uword64. Cast op2 to
3317 uword64 when shifting it left in memory instructions. Always use
3318 the same code for stores--don't special case proc64.
3319
3320 * gencode.c (build_mips16_operands): Fix base PC value for PC
3321 relative operands.
3322 (build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
3323 jal instruction.
3324 * interp.c (simJALDELAYSLOT): Define.
3325 (JALDELAYSLOT): Define.
3326 (INDELAYSLOT, INJALDELAYSLOT): Define.
3327 (simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
3328
3329Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
3330
3331 * interp.c (sim_open): add flush_cache as a PMON routine
3332 (sim_monitor): handle flush_cache by ignoring it
3333
3334Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
3335
3336 * gencode.c (build_instruction): Use !ByteSwapMem instead of
3337 BigEndianMem.
3338 * interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
3339 (BigEndianMem): Rename to ByteSwapMem and change sense.
3340 (BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
3341 BigEndianMem references to !ByteSwapMem.
3342 (set_endianness): New function, with prototype.
3343 (sim_open): Call set_endianness.
3344 (sim_info): Use simBE instead of BigEndianMem.
3345 (xfer_direct_word, xfer_direct_long, swap_direct_word,
3346 swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
3347 xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
3348 ifdefs, keeping the prototype declaration.
3349 (swap_word): Rewrite correctly.
3350 (ColdReset): Delete references to CONFIG. Delete endianness related
3351 code; moved to set_endianness.
72f4393d 3352
c906108c
SS
3353Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
3354
3355 * gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
3356 * interp.c (CHECKHILO): Define away.
3357 (simSIGINT): New macro.
3358 (membank_size): Increase from 1MB to 2MB.
3359 (control_c): New function.
3360 (sim_resume): Rename parameter signal to signal_number. Add local
3361 variable prev. Call signal before and after simulate.
3362 (sim_stop_reason): Add simSIGINT support.
3363 (sim_warning, sim_error, dotrace, SignalException): Define as stdarg
3364 functions always.
3365 (sim_warning): Delete call to SignalException. Do call printf_filtered
3366 if logfh is NULL.
3367 (AddressTranslation): Add #ifdef DEBUG around debugging message and
3368 a call to sim_warning.
3369
3370Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
3371
3372 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
3373 16 bit instructions.
3374
3375Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
3376
3377 Add support for mips16 (16 bit MIPS implementation):
3378 * gencode.c (inst_type): Add mips16 instruction encoding types.
3379 (GETDATASIZEINSN): Define.
3380 (MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
3381 jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
3382 mtlo.
3383 (MIPS16_DECODE): New table, for mips16 instructions.
3384 (bitmap_val): New static function.
3385 (struct mips16_op): Define.
3386 (mips16_op_table): New table, for mips16 operands.
3387 (build_mips16_operands): New static function.
3388 (process_instructions): If PC is odd, decode a mips16
3389 instruction. Break out instruction handling into new
3390 build_instruction function.
3391 (build_instruction): New static function, broken out of
3392 process_instructions. Check modifiers rather than flags for SHIFT
3393 bit count and m[ft]{hi,lo} direction.
3394 (usage): Pass program name to fprintf.
3395 (main): Remove unused variable this_option_optind. Change
3396 ``*loptarg++'' to ``loptarg++''.
3397 (my_strtoul): Parenthesize && within ||.
3398 * interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
3399 (simulate): If PC is odd, fetch a 16 bit instruction, and
3400 increment PC by 2 rather than 4.
3401 * configure.in: Add case for mips16*-*-*.
3402 * configure: Rebuild.
3403
3404Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
3405
3406 * interp.c: Allow -t to enable tracing in standalone simulator.
3407 Fix garbage output in trace file and error messages.
3408
3409Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
3410
3411 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
3412 (SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
3413 * configure.in: Simplify using macros in ../common/aclocal.m4.
3414 * configure: Regenerated.
3415 * tconfig.in: New file.
3416
3417Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
3418
3419 * interp.c: Fix bugs in 64-bit port.
3420 Use ansi function declarations for msvc compiler.
3421 Initialize and test file pointer in trace code.
3422 Prevent duplicate definition of LAST_EMED_REGNUM.
3423
3424Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
3425
3426 * interp.c (xfer_big_long): Prevent unwanted sign extension.
3427
3428Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
3429
3430 * interp.c (SignalException): Check for explicit terminating
3431 breakpoint value.
3432 * gencode.c: Pass instruction value through SignalException()
3433 calls for Trap, Breakpoint and Syscall.
3434
3435Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3436
3437 * interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
3438 only used on those hosts that provide it.
3439 * configure.in: Add sqrt() to list of functions to be checked for.
3440 * config.in: Re-generated.
3441 * configure: Re-generated.
3442
3443Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
3444
3445 * gencode.c (process_instructions): Call build_endian_shift when
3446 expanding STORE RIGHT, to fix swr.
3447 * support.h (SIGNEXTEND): If the sign bit is not set, explicitly
3448 clear the high bits.
3449 * interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
3450 Fix float to int conversions to produce signed values.
3451
3452Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
3453
3454 * gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
3455 (process_instructions): Correct handling of nor instruction.
3456 Correct shift count for 32 bit shift instructions. Correct sign
3457 extension for arithmetic shifts to not shift the number of bits in
3458 the type. Fix 64 bit multiply high word calculation. Fix 32 bit
3459 unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
3460 Fix madd.
3461 * interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
3462 It's OK to have a mult follow a mult. What's not OK is to have a
3463 mult follow an mfhi.
3464 (Convert): Comment out incorrect rounding code.
3465
3466Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
3467
3468 * interp.c (sim_monitor): Improved monitor printf
3469 simulation. Tidied up simulator warnings, and added "--log" option
3470 for directing warning message output.
3471 * gencode.c: Use sim_warning() rather than WARNING macro.
3472
3473Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
3474
3475 * Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
3476 getopt1.o, rather than on gencode.c. Link objects together.
3477 Don't link against -liberty.
3478 (gencode.o, getopt.o, getopt1.o): New targets.
3479 * gencode.c: Include <ctype.h> and "ansidecl.h".
3480 (AND): Undefine after including "ansidecl.h".
3481 (ULONG_MAX): Define if not defined.
3482 (OP_*): Don't define macros; now defined in opcode/mips.h.
3483 (main): Call my_strtoul rather than strtoul.
3484 (my_strtoul): New static function.
3485
3486Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
3487
3488 * gencode.c (process_instructions): Generate word64 and uword64
3489 instead of `long long' and `unsigned long long' data types.
3490 * interp.c: #include sysdep.h to get signals, and define default
3491 for SIGBUS.
3492 * (Convert): Work around for Visual-C++ compiler bug with type
3493 conversion.
3494 * support.h: Make things compile under Visual-C++ by using
3495 __int64 instead of `long long'. Change many refs to long long
3496 into word64/uword64 typedefs.
3497
3498Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
3499
72f4393d
L
3500 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
3501 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
3502 (docdir): Removed.
3503 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
3504 (AC_PROG_INSTALL): Added.
c906108c 3505 (AC_PROG_CC): Moved to before configure.host call.
72f4393d
L
3506 * configure: Rebuilt.
3507
c906108c
SS
3508Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
3509
3510 * configure.in: Define @SIMCONF@ depending on mips target.
3511 * configure: Rebuild.
3512 * Makefile.in (run): Add @SIMCONF@ to control simulator
3513 construction.
3514 * gencode.c: Change LOADDRMASK to 64bit memory model only.
3515 * interp.c: Remove some debugging, provide more detailed error
3516 messages, update memory accesses to use LOADDRMASK.
72f4393d 3517
c906108c
SS
3518Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
3519
3520 * configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
3521 AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
3522 stamp-h.
3523 * configure: Rebuild.
3524 * config.in: New file, generated by autoheader.
3525 * interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
3526 and <strings.h> if they exist. Replace #ifdef sun with #ifdef
3527 HAVE_ANINT and HAVE_AINT, as appropriate.
3528 * Makefile.in (run): Use @LIBS@ rather than -lm.
3529 (interp.o): Depend upon config.h.
3530 (Makefile): Just rebuild Makefile.
3531 (clean): Remove stamp-h.
3532 (mostlyclean): Make the same as clean, not as distclean.
3533 (config.h, stamp-h): New targets.
3534
3535Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
3536
3537 * interp.c (ColdReset): Fix boolean test. Make all simulator
3538 globals static.
3539
3540Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
3541
3542 * interp.c (xfer_direct_word, xfer_direct_long,
3543 swap_direct_word, swap_direct_long, xfer_big_word,
3544 xfer_big_long, xfer_little_word, xfer_little_long,
3545 swap_word,swap_long): Added.
3546 * interp.c (ColdReset): Provide function indirection to
3547 host<->simulated_target transfer routines.
3548 * interp.c (sim_store_register, sim_fetch_register): Updated to
3549 make use of indirected transfer routines.
3550
3551Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
3552
3553 * gencode.c (process_instructions): Ensure FP ABS instruction
3554 recognised.
3555 * interp.c (AbsoluteValue): Add routine. Also provide simple PMON
3556 system call support.
3557
3558Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
3559
3560 * interp.c (sim_do_command): Complain if callback structure not
3561 initialised.
3562
3563Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
3564
3565 * interp.c (Convert): Provide round-to-nearest and round-to-zero
3566 support for Sun hosts.
3567 * Makefile.in (gencode): Ensure the host compiler and libraries
3568 used for cross-hosted build.
3569
3570Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
3571
3572 * interp.c, gencode.c: Some more (TODO) tidying.
3573
3574Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
3575
3576 * gencode.c, interp.c: Replaced explicit long long references with
3577 WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
3578 * support.h (SET64LO, SET64HI): Macros added.
3579
3580Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
3581
3582 * configure: Regenerate with autoconf 2.7.
3583
3584Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
3585
3586 * interp.c (LoadMemory): Enclose text following #endif in /* */.
3587 * support.h: Remove superfluous "1" from #if.
3588 * support.h (CHECKSIM): Remove stray 'a' at end of line.
3589
3590Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
3591
3592 * interp.c (StoreFPR): Control UndefinedResult() call on
3593 WARN_RESULT manifest.
3594
3595Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
3596
3597 * gencode.c: Tidied instruction decoding, and added FP instruction
3598 support.
3599
3600 * interp.c: Added dineroIII, and BSD profiling support. Also
3601 run-time FP handling.
3602
3603Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
3604
3605 * Changelog, Makefile.in, README.Cygnus, configure, configure.in,
3606 gencode.c, interp.c, support.h: created.