12010-04-14 Mike Frysinger <vapier@gentoo.org> 2 3 * interp.c (sim_write): Add const to buffer arg. 4 52010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> 6 7 * configure: Regenerate. 8 92009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> 10 11 * config.in: Regenerate. 12 * configure: Likewise. 13 14 * configure: Regenerate. 15 162008-07-11 Hans-Peter Nilsson <hp@axis.com> 17 18 * configure: Regenerate to track ../common/common.m4 changes. 19 * config.in: Ditto. 20 212008-06-06 Vladimir Prus <vladimir@codesourcery.com> 22 Daniel Jacobowitz <dan@codesourcery.com> 23 Joseph Myers <joseph@codesourcery.com> 24 25 * configure: Regenerate. 26 272006-12-21 Hans-Peter Nilsson <hp@axis.com> 28 29 * acconfig.h: Remove. 30 * config.in: Regenerate. 31 322006-06-13 Richard Earnshaw <rearnsha@arm.com> 33 34 * configure: Regenerated. 35 362006-06-05 Daniel Jacobowitz <dan@codesourcery.com> 37 38 * configure: Regenerated. 39 402006-05-31 Daniel Jacobowitz <dan@codesourcery.com> 41 42 * configure: Regenerated. 43 442006-04-18 Nick Clifton <nickc@redhat.com> 45 46 * interp.c (sim_stop_reason): Fix typo. 47 482005-11-28 Mark Mitchell <mark@codesourcery.com> 49 50 * interp.c (gdb/signals.h): Include it. 51 (sim_stop_reason): Use TARGET_SIGNAL_*. 52 532005-03-23 Mark Kettenis <kettenis@gnu.org> 54 55 * configure: Regenerate. 56 572005-01-14 Andrew Cagney <cagney@gnu.org> 58 59 * configure.ac: Sinclude aclocal.m4 before common.m4. Add 60 explicit call to AC_CONFIG_HEADER. 61 * configure: Regenerate. 62 632005-01-12 Andrew Cagney <cagney@gnu.org> 64 65 * configure.ac: Update to use ../common/common.m4. 66 * configure: Re-generate. 67 682005-01-11 Andrew Cagney <cagney@localhost.localdomain> 69 70 * configure: Regenerated to track ../common/aclocal.m4 changes. 71 722005-01-07 Andrew Cagney <cagney@gnu.org> 73 74 * configure.ac: Rename configure.in, require autoconf 2.59. 75 * configure: Re-generate. 76 772004-12-08 Hans-Peter Nilsson <hp@axis.com> 78 79 * configure: Regenerate for ../common/aclocal.m4 update. 80 812004-06-28 Andrew Cagney <cagney@gnu.org> 82 83 * interp.c (sim_resume): Rename ui_loop_hook to 84 deprecated_ui_loop_hook. 85 862003-10-30 Andrew Cagney <cagney@redhat.com> 87 88 * simops.c: Replace "struct symbol_cache_entry" with "struct 89 bfd_symbol". 90 912003-06-22 Andrew Cagney <cagney@redhat.com> 92 93 * interp.c (xfer_mem): Simplify. Only do a single partial 94 transfer. Problem reported by Tom Rix. 95 962003-05-07 Andrew Cagney <cagney@redhat.com> 97 98 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter. 99 (sim_d10v_translate_imap_addr): Ditto. 100 (sim_d10v_translate_dmap_addr): Ditto. 101 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr. 102 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr. 103 (dmap_register, imap_register): Add "regcache" parameter. 104 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr. 105 (sim_fetch_register): Pass NULL regcache to imap_register and 106 dmap_register. 107 1082003-02-27 Andrew Cagney <cagney@redhat.com> 109 110 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd. 111 1122002-11-13 Andrew Cagney <cagney@redhat.com> 113 114 * simops.c: Include <string.h>. 115 1162002-06-17 Andrew Cagney <cagney@redhat.com> 117 118 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum. 119 1202002-06-16 Andrew Cagney <ac131313@redhat.com> 121 122 * configure: Regenerated to track ../common/aclocal.m4 changes. 123 1242002-06-13 Tom Rix <trix@redhat.com> 125 126 * interp.c (xfer_mem): Fix transfers across multiple segments. 127 1282002-06-09 Andrew Cagney <cagney@redhat.com> 129 130 * Makefile.in (INCLUDE): Update path to callback.h. 131 * gencode.c: Do not include "callback.h". 132 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h". 133 * interp.c: Ditto. 134 1352002-06-08 Andrew Cagney <cagney@redhat.com> 136 137 * interp.c (sim_fetch_register): Fix name of enum used in cast. 138 (sim_store_register): Ditto. 139 1402002-06-02 Elena Zannoni <ezannoni@redhat.com> 141 142 From Jason Eckhardt <jle@redhat.com> 143 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is 144 less than MOD_S (post-decrement). 145 1462002-06-01 Andrew Cagney <ac131313@redhat.com> 147 148 * interp.c (sim_fetch_register, sim_store_register): Use a switch 149 statement and enums from "sim-d10v.h". 150 1512002-05-28 Elena Zannoni <ezannoni@redhat.com> 152 153 * interp.c (sim_create_inferior): Add comment. 154 155 From Alan Matsuoka <alanm@redhat.com>: 156 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>: 157 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f". 158 (OP_4401): Output "mvf0t" instead of "mf0t". 159 (OP_460B): Do not output a flag register. 160 (OP_4609): Do not output a flag register. 161 1622002-05-23 Andrew Cagney <ac131313@redhat.com> 163 164 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h". 165 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h". 166 1672001-08-01 John R. Moore <jmoore@redhat.com> 168 169 * interp.c (sim_create_inferior): Removed a hack that stated 170 it was setting r0/r1 with argc/argv. 171 1722001-04-15 J.T. Conklin <jtc@redback.com> 173 174 * Makefile.in (simops.o): Add simops.h to dependency list. 175 176Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com> 177 178 * configure: Regenerated to track ../common/aclocal.m4 changes. 179 180Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com> 181 182 * interp.c (sim_resume): Deliver SIGILL. 183 (lookup_hash): Do not print SIGILL message. 184 185Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com> 186 187 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT. 188 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing. 189 190Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com> 191 192 * d10v_sim.h (SIG_D10V_BUS): Define. 193 194 * simops.c (address_exception): Delete function. 195 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000, 196 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800, 197 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00, 198 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to 199 address_exception with code that sets SIG_D10V_BUS. 200 201 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus 202 error to the simulator before resuming execution. 203 (sim_trace): Check stop reason and use that to determine sim_trace 204 return value. 205 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV 206 sigrc. 207 208Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com> 209 210 * interp.c (sim_create_inferior): Change internal initial value for 211 DMAP2 to 0x2000. 212 213Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com> 214 215 * interp.c (lookup_hash): Stop the update of the PC when there was 216 an illegal instruction exception. 217 218Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com> 219 220 * simops.c (address_exception): New function. 221 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000, 222 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800, 223 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00, 224 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st" 225 and "st2w" check that the address is aligned. 226 2271999-12-30 Chandra Chavva <cchavva@cygnus.com> 228 229 * d10v_sim.h (INC_ADDR): Added code to assign 230 proper address for loads with predec operations. 231 2321999-11-25 Nick Clifton <nickc@cygnus.com> 233 234 * simops.c (OP_4E0F): New function: Simulate new bit pattern for 235 cpfg instruction. 236 237Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com> 238 239 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either 240 DPSW and BPSW. 241 242Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com> 243 244 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW. 245 (PSW_HW_MASK): Declare. 246 247 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter. 248 (SET_CREG, SET_PSW_BIT): Update. 249 (SET_HW_CREG, SET_HW_PSW): Define. 250 251Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com> 252 253 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP 254 for DMAP3. 255 256Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com> 257 258 * interp.c (sim_d10v_translate_addr): New function. 259 (xfer_mem): Rewrite. Use sim_d10v_translate_addr. 260 (map_memory): Make INLINE. 261 262Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com> 263 264 * interp.c (sim_d10v_translate_dmap_addr): New function. 265 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change 266 offset parameter to type uint16. 267 * d10v_sim.h (dmem_addr): Update declaration. 268 269Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com> 270 271 * interp.c (imap_register, set_imap_register, dmap_register, 272 set_imap_register): Use map_memory. 273 (DMAP): Update. 274 (sim_create_inferior): Initialize all DMAP registers. NOTE that 275 DMAP2, in internal memory mode, is set to 0x0000 and NOT 276 0x2000. This is consistent with the older d10v boards. 277 278Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com> 279 280 * interp.c (sim_d10v_translate_imap_addr): New function. 281 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr. 282 (last_from, last_to): Declare. 283 284Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com> 285 286 * d10v_sim.h (struct d10v_memory): Define. Support very long 287 memories. 288 (struct _state): Replace imem, dmem and umem by mem. 289 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS, 290 DMEM_SEGMENTS, UMEM_SEGMENTS): Define. 291 292 * interp.c (map_memory): New function. 293 (sim_size, xfer_memory, imem_addr, dmem_addr): Update. 294 (UMEM_SEGMENTS): Moveed to "d10v_sim.h". 295 (IMEM_SIZEDMEM_SIZE): Delete. 296 297Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com> 298 299 * interp.c: Include "sim-d10v.h". 300 (imap_register, set_imap_register, dmap_register, 301 set_dmap_register, spi_register, spu_register, set_spi_register, 302 set_spu_register): New functions. 303 (sim_create_inferior): Update. 304 (sim_fetch_register, sim_store_register): Rewrite. Use enums 305 defined in sim-d10v.h. 306 307 * d10v_sim.h (DEBUG_MEMORY): Define. 308 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete. 309 310Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com> 311 312 * interp.c (sim_open): Allow a debug value to be passed to the -t 313 option. 314 (lookup_hash): Don't exit on an illegal instruction. 315 (do_long, do_2_short, do_parallel): Check for failed instruction 316 lookup. 317 318Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com> 319 320 * simops.c (OP_3220): Fix trace output for illegal accumulator 321 message. 322 3231999-09-14 Nick Clifton <nickc@cygnus.com> 324 325 * simops.c: Disable setting of DM bit in PSW. 326 327Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com> 328 329 * simops.c (op_types): Added new memory indirect type OP_MEMREF3. 330 (trace_input_func): Added support for OP_MEMREF3. 331 (OP_32010000): New instruction ld. 332 (OP_33010000): New instruction ld2w. 333 (OP_5209): New instruction sac. 334 (OP_4209): New instruction sachi. 335 (OP_3220): New instruction slae. 336 (OP_36010000): New instruction st. 337 (OP_37010000): New instruction st2w. 338 3391999-09-09 Stan Shebs <shebs@andros.cygnus.com> 340 341 * interp.c (old_segment_mapping): New global. 342 (xfer_mem): Change the default segment mapping to be the way 343 that Mitsubishi prefers, but use the previous mapping if 344 old_segment_mapping is true. 345 (sim_open): Add an option -oldseg to get the old mapping. 346 (sim_create_inferior): Init mapping registers based on the 347 value of old_segment_mapping. 348 3491999-09-07 Nick Clifton <nickc@cygnus.com> 350 351 * simops.c (OP_6601): Do not write back decremented address if 352 either of the destination registers was the same as the address 353 register. 354 (OP_6201): Do not write back incremented address if either of the 355 destination registers was the same as the address register. 356 357Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com> 358 359 * configure: Regenerated to track ../common/aclocal.m4 changes. 360 3611999-05-08 Felix Lee <flee@cygnus.com> 362 363 * configure: Regenerated to track ../common/aclocal.m4 changes. 364 3651999-04-02 Keith Seitz <keiths@cygnus.com> 366 367 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK 368 defined). 369 (sim_resume): If the counter has expired, call the ui_loop_hook, 370 if defined. 371 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of 372 ui_loop_hook calls. 373 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK. 374 375Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com> 376 377 * simops.c: If load instruction with auto increment/decrement 378 addressing is used when the destination register is the same as 379 the address register, then ignore the auto increment/decrement. 380 381Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com> 382 383 * simops.c (OP_5F00): Ifdef SYS_stat case because 384 not all systems have it defined. 385 3861999-01-26 Jason Molenda (jsm@bugshack.cygnus.com) 387 388 * simops.c (OP_5607): Correct saturation comparison/assignment. 389 (OP_1201, OP_1203, OP_17001200, OP_17001202, 390 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201, 391 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto. 392 3931999-01-26 Jason Molenda (jsm@bugshack.cygnus.com) 394 395 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation 396 comparison. 397 (OP_5607): Ditto. 398 (OP_2A00): Ditto. 399 (OP_2800): Ditto. 400 4011999-01-13 Jason Molenda (jsm@bugshack.cygnus.com) 402 403 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation 404 comparison. 405 406Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com> 407 408 * simops.c (sys/syscall.h): Include targ-vals.h instead. 409 (SYS_*): Replace with TARGET_SYS_*. 410 411 * Makefile.in: Add dependency on targ-vals.h. 412 (NL_TARGET): Define as NL_TARGET_d10v. 413 414Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com> 415 416 * interp.c (xfer_mem): Missing break, instruction memory case 417 flowed into unified memory case. 418 419Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com> 420 421 * simops.c: If load instruction with auto increment/decrement 422 addressing is used when the destination register is the same as 423 the address register, then ignore the auto increment/decrement. 424 425Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com> 426 427 * configure: Regenerated to track ../common/aclocal.m4 changes. 428 429Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche> 430 431 * configure: Regenerated to track ../common/aclocal.m4 changes. 432 * config.in: Ditto. 433 434Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com> 435 436 * acconfig.h: New file. 437 * configure.in: Reverted change of Apr 24; use sinclude again. 438 439Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche> 440 441 * configure: Regenerated to track ../common/aclocal.m4 changes. 442 * config.in: Ditto. 443 444Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com> 445 446 * configure.in: Don't call sinclude. 447 448Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com> 449 450 * interp.c (struct hash_entry): OPCODE and MASK are unsigned. 451 452 * d10v_sim.h (remote-sim.h, sim-config.h): Include. 453 454Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com> 455 456 * configure: Regenerated to track ../common/aclocal.m4 changes. 457 458Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com> 459 460 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain 461 up-to-date CR value. 462 (OP_OP_1000000, add3): Trace inputs before performing add. 463 (OP_5F00, <*>): Trace input registers before making system call. 464 (OP_5F00, <kill>): Trace R0, R1 not REGn. 465 (OP_5F00, <getpid>): Always return 47. 466 467 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND, 468 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write 469 back slots. 470 (struct _state): Add struct slot slot to global state variable. 471 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST, 472 F0, F1, C from global State variable. 473 (struct _state): Add struct trace to global State variable. 474 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND. 475 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG. 476 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr. 477 (INC_ADDR): Re-implement. Use SET_GPR to update registers. 478 (JMP): Re-implement. Use SET_* to update registers. 479 480 * interp.c: Use new SET_* et.al. macros to fetch / store 481 registers. 482 (get_operands): Squirrel away trace values at start of each 483 operand decode. 484 (do_2_short): Flush pending writes before issuing second 485 instruction. 486 (sim_resume): Flush pending writes at end of instruction cycle. 487 (sim_fetch_register, sim_store_register, sim_create_inferior): 488 After scheduling updates to registers using SET_*, flush updates. 489 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so 490 that each sets pc using SET_* and last SET_* eventually winds out. 491 492 * simops.c: Use new SET_* et.al. macros to fetch / store 493 registers. 494 (move_to_cr): Add MASK argument for selective update of CREG bits. 495 Re-implement using new SET_* macros. 496 (trace_output_func, trace_output): Delete. Replace with. 497 (do_trace_output_flush, trace_output_finish, trace_output_40, 498 trace_output_32, trace_output_16, trace_output_void, 499 trace_output_flag): New functions. Handle specific trace cases. 500 (OP_*): Re-write tracing to use new trace_output_* functions. 501 (OP_*): Re-write to use new SET_* et.al. macros. 502 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition. 503 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32. 504 505Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com> 506 507 * configure.in (SIM_AC_OPTION_WARNINGS): Add. 508 configure: Re-generate. 509 510Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com> 511 512 * configure: Regenerated to track ../common/aclocal.m4 changes. 513 514Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com> 515 516 * configure: Regenerated to track ../common/aclocal.m4 changes. 517 518Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com> 519 520 * configure: Regenerated to track ../common/aclocal.m4 changes. 521 522Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com> 523 524 * interp.c (sim_store_register, sim_fetch_register): Pass in 525 length parameter. Return -1. 526 527Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com> 528 529 * (dmem_addr): If address is illegal or in I/O space, signal a bus 530 error. Allocate unified memory on demand. Fix DMEM address 531 calculations. 532 533Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com> 534 535 * simops.c (OP_5F20): Implement "dbt". 536 (OP_5F60): Implement "rtd". 537 538 * d10v_sim.h (DPC_CR): Define enum. 539 (DBT_VECTOR_START): Define 540 (DPSW, DPC): Define. 541 542Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com> 543 544 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according 545 to PSW:SM. 546 547 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU. 548 (SP_IDX): Define. 549 550Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com> 551 552 * simops.c (OP_5F00): Call error instead of abort for unknown 553 syscalls. 554 555 * d10v_sim.h (enum): Define DPSW_CR. 556 557 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW. 558 559Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com> 560 561 * interp.c (sim_write_phys): Delete. 562 (sim_load): Call sim_load_file with sim_write and LMA. 563 564Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com> 565 566 * interp.c: Rewrite xfer_mem so that it translates addresses as - 567 0x00... - DMAP translated memory, 0x01... IMAP translated memory, 568 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified 569 memory. 570 (pc_addr): Delete. 571 (imem_addr): New function - translate IMEM address. 572 (sim_resume): Use imem_addr to translate insn address, abort if 573 translation failed. 574 (sim_create_inferior): Write ARGV to memory using sim_write. Pass 575 argc/argv using r0/r1 not r2/r3. 576 (sim_size): Do not initialize IMAP/DMAP here. 577 (sim_open): Call sim_create_inferior and sim_size to initialize 578 the system. 579 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset 580 defaults. 581 (init_system): Delete. 582 (xfer_mem, sim_fetch_register, sim_store_register): Do not call 583 init_system. 584 (decode_pc): Check prog_bfd is defined before looking up .text 585 section. 586 587Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com> 588 589 * configure: Regenerated to track ../common/aclocal.m4 changes. 590 591Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com> 592 593 * configure: Regenerated to track ../common/aclocal.m4 changes. 594 595Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com> 596 597 * interp.c (sim_stop_reason): Exit status is now in r0, not r2. 598 599Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com> 600 601 * d10v_sim.h (DEBUG_TRAP): New debug flag. 602 603 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into 604 printing the registers. 605 606Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com> 607 608 * simops.c (op_types): New ABI, args are r0..r3, system call # is 609 in r4. 610 (trace_{in,out}put_func): Ditto. 611 (OP_4900): Ditto. 612 (OP_24800000): Ditto. 613 (OP_4D00): Ditto. 614 (OP_5F00): Ditto. 615 616Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com> 617 618 * interp.c (UMEM_SEGMENTS): New define, set to 128. 619 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant. 620 (sim_close): Reset prog_bfd to NULL after closing it. Also 621 reset prog_bfd_was_opened_p after closing prog_bfd. 622 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd. 623 (sim_create_inferior): Get start address from abfd not prog_bfd. 624 (xfer_mem): Do bounds checking on addresses and return zero length 625 read/write on bad addresses, rather than aborting. Prepare to 626 be able to handle xfers that cross segment boundaries, but not 627 yet implemented. Only emit debug message when d10v_debug is 628 set as well as DEBUG being defined. 629 630Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba> 631 632 * configure: Regenerated to track ../common/aclocal.m4 changes. 633 634Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com> 635 636 * configure: Regenerated to track ../common/aclocal.m4 changes. 637 * config.in: Ditto. 638 639Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com> 640 641 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR. 642 (BPSW): Ditto for BPSW_CR and not PSW_CR. 643 644 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly. 645 646Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com> 647 648 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change 649 reserved trap from 0 to 15. Add trap emulation code for 0-14. 650 651 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check 652 IBA for SDBT. 653 654 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START, 655 SDBT_VECTOR_START, TRAP_VECTOR_START): Define. 656 657 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW, 658 use move_to_cr. 659 (OP_5F00): For "trap", update BPSW with move_to_cr. 660 661Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com> 662 663 * d10v_sim.h (enum): Enumerate CR register names. 664 (enum): Enumerate PSW bit values. 665 (PSW): Obtain value uing move_from_cr. 666 (MOD_S, MOD_E, BPSW): Make r-values. 667 (move_from_cr, move_to_cr): Declare functions. 668 669 * interp.c (sim_fetch_register, sim_store_register): Use 670 move_from_cr and move_to_cr for CR register transfers. 671 672 * simops.c (move_from_cr, move_to_cr): New functions. 673 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr. 674 (OP_5600): For "mvtc", use function move_to_cr. 675 (OP_5200): For "mvfc", use function move_from_cr. 676 677Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com> 678 679 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the 680 LSbit is zero. 681 682Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com> 683 684 * configure: Regenerated to track ../common/aclocal.m4 changes. 685 686Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com> 687 688 * d10v_sim.h (struct _state): Add DM - PSW debug mask. 689 690 * simops.c (OP_5600): For "mvtc", save PSW.DM. 691 (OP_5200): Ditto for "mvfc". 692 693Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com> 694 695 * d10v_sim.h (SEXT56): Define. 696 697 * simops.c (OP_4201): For "rac", sign extend 56 bit value before 698 it is shifted. 699 700 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using 701 SIGNED64 macro. 702 703Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com> 704 705 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or 706 RIGHT_FIRST, as appropriate, instead of hardcoded ints that 707 don't match enum values. 708 709Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com> 710 711 * simops.c (OP_3A00): For "macu", perform multiply stage using 32 712 bit rather than 16 bit precision. 713 (OP_3C00): For "mulxu", store unsigned product in ACC. 714 (OP_3800): For "msbu", subtract unsigned product from ACC, 715 (OP_0): For "sub", compute carry by comparing inputs. 716 717Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com> 718 719 * simops.c (OP_1000): For "sub2w", compute carry by comparing 720 inputs. 721 722Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com> 723 724 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract, 725 carry indicated by value > 0xffff. 726 727Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com> 728 729 * interp.c (sim_resume): Don't set up SIGINT handler using signal, 730 handled by client. 731 (sim_resume): Fix race condition of a direct assignment to 732 stop_simulator, conditionally call sim_stop. 733 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear 734 stop_simulator ready for next sim_resume call. 735 (sim_ctrl_c): Delete function. 736 737Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com> 738 739 * interp.c (sim_resume): For "REP", only check/update the PC when 740 a branch instruction has not been executed. 741 742Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com> 743 744 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign 745 extend bit 44 all constants. 746 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro. 747 748Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com> 749 750 * d10v_sim.h: Include sim-types.h. 751 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef 752 using unsigned8 et.al. from sim-types.h. 753 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with 754 SIGNED64 macro. 755 756Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com> 757 758 * interp.c (sim_write_phys): New function, write to physical 759 instead of virtual memory. 760 761 * interp.c (sim_load): Pass lma_p and sim_write_phys to 762 sim_load_file. 763 764Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com> 765 766 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move 767 exception generation code to OP_6E01. 768 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception 769 generation code. 770 771Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com> 772 773 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception. 774 (OP_6601): Ditto. 775 776Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com> 777 778 * configure: Regenerated to track ../common/aclocal.m4 changes. 779 780Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com> 781 782 * interp.c (pc_addr): Discard upper bit(s) of PC in case 783 IMAP1 selects unified memory. 784 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing 785 for end condition. 786 787Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com> 788 789 * configure: Regenerated to track ../common/aclocal.m4 changes. 790 791Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com> 792 793 * configure: Regenerated to track ../common/aclocal.m4 changes. 794 795Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com> 796 797 * configure: Regenerated to track ../common/aclocal.m4 changes. 798 799Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com> 800 801 * configure: Regenerated to track ../common/aclocal.m4 changes. 802 803Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com> 804 805 * configure: Regenerated to track ../common/aclocal.m4 changes. 806 807Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com> 808 809 * interp.c (sim_resume): Increment PC at end of rep 810 loop. 811 812 * simops.c (OP_4201): Fix rachi instruction. 813 814Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba> 815 816 * configure: Regenerated to track ../common/aclocal.m4 changes. 817 818Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com> 819 820 * configure: Regenerated to track ../common/aclocal.m4 changes. 821 * config.in: Ditto. 822 823Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com> 824 825 * interp.c (sim_kill): Delete. 826 (sim_create_inferior): Add ABFD argument. 827 (sim_load): Move setting of PC from here. 828 (sim_create_inferior): To here. 829 (start_address): Delete variable. 830 831Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com> 832 833 * configure: Regenerated to track ../common/aclocal.m4 changes. 834 * config.in: Ditto. 835 836Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com> 837 838 * interp.c (sim_open): Add ABFD argument. 839 840Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com> 841 842 * interp.c (sim_open): Add callback argument. 843 (sim_set_callbacks): Remove SIM_DESC argument. 844 845Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com> 846 847 * configure: Regenerated to track ../common/aclocal.m4 changes. 848 849Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com> 850 851 * interp.c (sim_open): Undo patch to add -E support. 852 853Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com> 854 855 * interp.c (sim_stop): New function. 856 857Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com> 858 859 * Makefile.in (SIM_OBJS): Add sim-load.o. 860 * d10v_sim.h (exec_bfd): Rename to prog_bfd. 861 * interp.c: #include bfd.h. 862 (myname, sim_kind, start_address): New static locals. 863 (prog_bfd_was_opened_p, prog_bfd): New static locals. 864 (decode_pc): Update to use prog_bfd. 865 (sim_open): Set sim_kind, myname. Ignore -E arg. 866 (sim_close): Close prog_bfd if simulator opened it. 867 (sim_create_inferior): Return SIM_RC. Delete arg start_address. 868 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd. 869 Call sim_load_file to load file into simulator. 870 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd. 871 872Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com> 873 874 * simops.c (OP_5F00): Only provide system calls SYS_execv, 875 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host. 876 877Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com> 878 879 * configure: Regenerated to track ../common/aclocal.m4 changes. 880 * config.in: Ditto. 881 882Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com> 883 884 * interp.c (sim_open): New arg `kind'. 885 886 * configure: Regenerated to track ../common/aclocal.m4 changes. 887 888Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com> 889 890 * configure: Regenerated to track ../common/aclocal.m4 changes. 891 892Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com> 893 894 * configure: Re-generate. 895 896Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com> 897 898 * configure: Regenerate to track ../common/aclocal.m4 changes. 899 900 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same 901 as trap 0, which will be deprecated. Only set errno, if an error 902 in fact was returned. 903 904Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com> 905 906 * interp.c: Delete redundant prototypes of sim_foo fns. 907 (sim_open): New SIM_DESC result. Argument is now in argv form. 908 (other sim_*): New SIM_DESC argument. 909 910Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com> 911 912 * simops.c (trace_{input,output}_func): Call flush_stdout from the 913 callback functions. 914 (OP_5F00): Ditto. 915 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer. 916 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in 917 setting the carry bit after an add or a subtract. 918 919Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com> 920 921 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom 922 40 bits of accumulators. Sign/zero extend as appropriate. 923 924Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com> 925 926 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use 927 COMMON_{PRE,POST}_CONFIG_FRAG instead. 928 * configure.in: sinclude ../common/aclocal.m4. 929 * configure: Regenerated. 930 931Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com) 932 933 * configure configure.in Makefile.in: Update to new configure 934 scheme which is more compatible with WinGDB builds. 935 * configure.in: Improve comment on how to run autoconf. 936 * configure: Re-run autoconf to get new ../common/aclocal.m4. 937 * Makefile.in: Use autoconf substitution to install common 938 makefile fragment. 939 940Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com) 941 942 * gencode.c: patch to not #include "d10v_sim.h" which 943 unecessarily includes bfd.h and causes wingdb configure 944 to fail. 945 946Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 947 948 * interp.c (xfer_mem): Change unified memory to 0x0. 949 950Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com> 951 952 * simops.c (OP_3E01): Fix tracing information. 953 (OP_300{0,1}): Do not propigate sign. 954 955Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com> 956 957 * config.in (WORDS_BIGENDIAN): Add. 958 * configure: Regenerated. 959 * d10v_sim.h: #include "config.h" 960 961Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com> 962 963 * gencode.c (write_opcodes): Eliminate warnings when generated 964 table.c is compiled. 965 966Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com> 967 968 * interp.c (sim_open): Cast result of calloc, and make sure NULL 969 was not returned. 970 (dmem_addr): If address is illegal or in I/O space, signal a bus 971 error. 972 (pc_addr): Signal bus error, not illegal instruction for bogus 973 pc. 974 975Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com> 976 977 * Makefile.in: Delete all stuff moved to ../common/Make-common.in. 978 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define. 979 * configure.in: Simplify using macros in ../common/aclocal.m4. 980 Call AC_CHECK_HEADERS(unistd.h). 981 * configure: Regenerated. 982 * config.in: New file. 983 * interp.c: #include "callback.h". 984 * simops.c: #include "config.h". #include <unistd.h> if present. 985 986Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 987 988 * d10v-sim.h (simops): Add flag is_long. 989 (State): Add pc_changed. Instructions which update the PC should 990 use the JMP macro which sets this. 991 (JMP): New macro. Sets the PC and the pc_changed flag. 992 993 * gencode.c (write_opcodes): Add is_long field. 994 995 * interp.c (lookup_hash): If we blindly apply a short opcode's mask 996 to a long opcode we could get a false match. Check the opcode size. 997 (hash): Add a size field to the hash table. 998 (sim_open): Initialize size field in hash table. 999 (sim_resume): Change to logic for setting the PC. Used to increment the 1000 PC if it had not been changed. This didn't allow single-instruction loops. 1001 Now checks the flag State.pc_changed. Also now stops when ^C is received. 1002 (dmem_addr): Fix translation of data segments to unified memory. 1003 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag. 1004 1005 * simops.c: Changed all branch and jump instructions to use new JMP macro. 1006 (OP_20000000): Corrected trace information to show this is a ldi.l, not 1007 a ldi.s instruction. 1008 1009Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1010 1011 * interp.c (sim_fetch_register, sim_store_register): Fix bug where 1012 updating the accumulators was overwriting other parts of the global 1013 State variable. 1014 1015Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1016 1017 * interp.c (bfd.h) Don't include it here any more. 1018 (text{,_start,_end}): Move here from simops.c and make extern. 1019 (decode_pc): New function to return the PC as an address that the 1020 debugger can use. 1021 (dmem_addr): Print decoded PC in error message. 1022 (pc_addr): Ditto. 1023 1024 * simops.c (bfd.h) Don't include it here any more. 1025 (text{,_start,_end}): Move to simops.c. 1026 (trace_input_func): Move decoding of PC, and looking up .text 1027 start to decode_pc. 1028 1029 * d10v_sim.h (bfd.h): Include it here. 1030 (text{,_start,_end}): Add external declarations. 1031 (exec_bfd): Ditto. 1032 (decode_pc): Ditto. 1033 1034Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1035 1036 * interp.c (sim_size): Now allocates unified memory for imap segments 1037 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0. 1038 (sim_write): Just call xfer_mem(). 1039 (sim_read): Just call xfer_mem(). 1040 (xfer_mem): New function. Does appropriate memory mapping and copies bytes. 1041 (dmem_addr): New function. Reads dmap register and translates data 1042 addresses to local addresses. 1043 (pc_addr): New function. Reads imap register and computes local address 1044 corresponding to contents of the PC. 1045 (sim_resume): Change to use pc_addr(). 1046 (sim_create_inferior): Change reinitialization code. Also reinitializes 1047 imap[01] and dmap. 1048 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap. 1049 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap. 1050 1051 * simops.c (MEMPTR): Redefine to use dmem_addr(). 1052 (OP_5F00): Replace references to STate.imem with dmem_addr(). 1053 1054 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128]. 1055 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr(). 1056 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define. 1057 1058Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1059 1060 * d10v_sim.h (_ins_type): Reorganize, so that we can provide 1061 better statistics, like not counting NOPS as parallel 1062 instructions, and printing total cycles. 1063 (ins_type_counters): Make unsigned long. 1064 (left_nops,right_nops): Fold into ins_type_counters. 1065 1066 * simops.c (trace_input_func): Print new instruction types. 1067 Handle OP_R2R3 as input types. 1068 (OP_{38000000,7000}): Correctly sign extend bytes. 1069 (OP_5E00): Don't count NOPs as parallel instructions. 1070 (OP_460B): Remove unused variable. 1071 (OP_5F00): Ditto. 1072 1073 * interp.c (ins_type_counters): Make unsigned long. 1074 (left_nops,right_nops): Delete. 1075 (most functions): Add prototypes. 1076 (INLINE): If GCC and optimize define as __inline__. 1077 ({,lookup_}hash,get_operands): Declare as INLINE. 1078 (do_parallel): Count conditional operations. 1079 (add_commas): New function, to add commas every 3 digits. 1080 (sim_size): Call add_commas to print numbers. 1081 (sim_{open,resume}): Delete unused variables. 1082 (sim_info): Provide better statistics. 1083 (sim_read): Add int return type. 1084 1085Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1086 1087 * interp.c (sim_resume): Change the way single-stepping and exceptions 1088 are handled so single-stepping works again. 1089 1090Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1091 1092 * endian.c: Optimize simulated loads/stores on x86, AIX, and big 1093 endian hosts. 1094 1095 * configure.in (--enable-sim-bswap): New switch to enable using 1096 the BSWAP instruction on x86's. 1097 * configure: Regenerate. 1098 1099 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap 1100 support. 1101 1102Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1103 1104 * endian.c: New file. Move endian functions here from interp.c. 1105 Optimize code, and make it work as either inline functions or as a 1106 separate file. 1107 1108 * interp.c: Move endian functions from here to endian.c. 1109 1110 * Makefile.in (INCLUDE): Add endian.c. 1111 (run,libsim.a): Add dependency on endian.o. 1112 (endian.o): Add dependency. 1113 1114 * d10v_sim.h (read/write support): Always go through the machine 1115 independent endian functions. If compiling with GCC and 1116 optimizing, include endian.c so the endian functions are inlined. 1117 1118 * simops.c (OP_5F00): Correct tracing of accumulators. 1119 1120Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1121 1122 * simops.c (OP_5F00): Add support for getpid, kill system calls. 1123 1124 * interp.c (do_{2_short,parallel}): If an exception is raised, 1125 don't execute the second instruction. 1126 1127Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1128 1129 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a 1130 temporary in case the register is overriden when loading. 1131 (OP_6200): Output type is OP_DREG for tracing. 1132 1133Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1134 1135 * d10v_sim.h (struct _state): Add mem_{min,max} fields. 1136 1137 * interp.c (sim_size): Initialize mem_{min,max} fields. 1138 (sim_write): Update mem_{min,max} fields. 1139 (sim_resume): If PC is not in the minimum/maximum memory range, 1140 abort. 1141 (sim_create_inferior): Preserve mem_{min,max} fields. 1142 1143Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com> 1144 1145 * simops.c (OP_5F00): Add support for time() system call. 1146 1147Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1148 1149 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being 1150 stored if tracing. 1151 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for 1152 system calls. 1153 1154Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1155 1156 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}. 1157 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}. 1158 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3 1159 to call/subroutine returns to trace the first two arguments and 1160 the return value. For small jumps, use CONSTANT8, not CONSTANT16. 1161 1162Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1163 1164 * interp.c (sim_create_inferior): Reinitialize State every time 1165 sim_create_inferior() is called. 1166 1167Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net> 1168 1169 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right 1170 on comparisons. 1171 (OP_401): Fix tracing information. 1172 1173Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1174 1175 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output. 1176 (trace_input_func): Use them. 1177 (trace_input_func): Make sure there is a trailing space after the 1178 instruction. 1179 (OP_6200): Fix tracing info. 1180 1181 * Makefile.in (run): Add dependencies on libbfd.a and 1182 libiberity.a. 1183 1184Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1185 1186 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line 1187 numbers and function names in debug trace. 1188 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and 1189 DEBUG_LINE_NUMBER. 1190 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction 1191 and exit system call trap being executed. 1192 1193 * interp.c (sim_stop_reason): Set exit code correctly for stop 1194 instruction and exit system call trap. 1195 1196 * configure.in (--enable-sim-cflags): Remove trace case. 1197 (--enable-sim-debug): New switch to set the debug values. 1198 * configure: Regenerate. 1199 1200 * simops.c (trace_{input,output}_func): Rename from 1201 trace_{input,output}. 1202 (trace_{input,output}): Call trace_{input,output}_func if 1203 d10v_debug is non-zero. 1204 (SIZE_INSTRUCTION): Cut down to 8. 1205 (SIZE_OPERANDS): Cut down to 18. 1206 (SIZE_LOCATION): New value for size of line number, function name 1207 field. 1208 (init_text_p,text{,_start,_end}): New static variables for 1209 printing line number and function name. 1210 (exec_bfd): New external that run.c sets. 1211 (trace_input_func): Print line number and function name if 1212 available and if desired. 1213 (OP_4E09): Don't print out DBT message. 1214 (OP_5FE0): Set exception field to SIG_D10V_STOP. 1215 (OP_5F00): Set exception field to SIG_D10V_EXIT. 1216 1217Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1218 1219 * interp.c (do_2_short): If the instruction encodes jump->ins, 1220 don't do the second instruction if the jump succeeds. 1221 1222Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1223 1224 * simops.c (OP_5F00): Use unknown traps to print all GPRs, 1225 accumulators, PC, and F0/F1/C flags. 1226 1227Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com> 1228 1229 * simops.c (OP_5F00): Fix problems with system calls. 1230 1231Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1232 1233 * simops.c (OP_5F00): Correct tracing information for trap. 1234 1235Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1236 1237 * Makefile.in (CSEARCH): Correctly find opcodes directory. 1238 1239Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1240 1241 * simops.c (trace_output): Properly align accumulator output. 1242 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error 1243 if shift count is too high. 1244 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book. 1245 (OP_4E09): Make cpfg properly trace the input flags. 1246 (op_types): Add OP_FLAG_OUTPUT. 1247 (trace_{input,output}): Support OP_FLAG_OUTPUT. 1248 (OP_31000000): This ld2w varient is a 16-bit memory reference, not 1249 an 8-bit memory reference instruction for tracing purposes. 1250 (OP_201): Addi needs to set the carry. 1251 1252Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1253 1254 * simops.c (OP_2600, OP_2601): Changed min and max comparisons 1255 to use signed register values. 1256 1257Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1258 1259 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug 1260 output. 1261 (_ins_type): New enumeration to specify which container an 1262 instruction is in, and whether it is part of a parallel operation. 1263 (_state): Add ins_type field. 1264 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types. 1265 (ins_type_counters): Counters for the various instruction types. 1266 ({left,right}_nops): Counters for the number of nops in each 1267 container. 1268 (d10v_debug): New variable to indicate whether debugging is turned 1269 on. 1270 1271 * simops.c: (all functions): Change all #ifdef DEBUG code so that 1272 the input and output values can be traced, along with the 1273 instruction type. Make the -t option enable tracing. 1274 (all functions): Change printf calls to use the printf_filtered 1275 function in the callback table. 1276 1277 * interp.c (_leftright): New enumeration to say whether 2 short 1278 instructions are done left first or right first. 1279 (do_{long,2_short,parallel}): Indicate in the machine state which 1280 type of instruction this is. Count each of the types of 1281 instructions executed. 1282 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug 1283 flag is set. 1284 (sim_resume): Pass left/right indication to do_2_short. 1285 (all functions): Change printf calls to use the printf_filtered 1286 function in the callback table. 1287 (sim_trace): Turn on debug flag if DEBUG was defined, and call 1288 sim_resume. 1289 (sim_info): Print out statistics on instructions. 1290 (sim_{trace,create_inferior}): Eliminate extraneous output unless 1291 debugging. 1292 (sim_open): If args == -t and DEBUG was defined, set d10v_debug. 1293 Only initialize the hash table the first time sim_open is called. 1294 1295 * Makefile.in: Make objects depend on d10v_sim.h. 1296 ({,SIM_}CFLAGS): Include configure dependent switches. Setting 1297 CFLAGS does not override host/target defines or SIM_CFLAGS. 1298 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode. 1299 (run): By default, the math library is not needed to be linked 1300 in. 1301 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be 1302 overridden. 1303 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU 1304 makes. 1305 ({run,callback}.o): Provide explicit paths to their appropriate 1306 source directories. 1307 (gencode{,.o},d10v-opc.o): Split compilation into creating object 1308 and linking. Instead of linking in libopcodes.a, just compile 1309 d10v-opc.o directly to handle canadian cross. 1310 (CSEARCH): Add opcodes directory. 1311 1312 * configure.in (--enable-sim-cflags): New switch to allow user to 1313 set the defaults. 1314 (CC_FOR_BUILD): Deal with canadian crosses. 1315 * configure: Regenerate. 1316 1317Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com> 1318 1319 * simops.c: Include correct syscall.h for d10v, not host's. 1320 Fix #ifdef SYS_stat. 1321 1322Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1323 1324 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef. 1325 Add trap 2 to be printf and trap 3 to be putchar. 1326 1327Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com> 1328 1329 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support 1330 for low-level system calls. 1331 1332Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1333 1334 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems. 1335 1336Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1337 1338 * d10v_sim.h (SEXT32): Added. 1339 * interp.c: Commented out printfs. 1340 * simops.c: Fixed error in sb and st2w. 1341 1342Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1343 1344 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining 1345 DSP instructions. Added modulo addressing. 1346 1347Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1348 1349 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot. 1350 1351Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1352 1353 * d10v_sim.h, simops.c: Snapshot. 1354 1355Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1356 1357 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h, 1358 gencode.c, interp.c, simops.c: Created. 1359 1360