12004-06-28 Andrew Cagney <cagney@gnu.org> 2 3 * interp.c (sim_resume): Rename ui_loop_hook to 4 deprecated_ui_loop_hook. 5 62003-10-30 Andrew Cagney <cagney@redhat.com> 7 8 * simops.c: Replace "struct symbol_cache_entry" with "struct 9 bfd_symbol". 10 112003-06-22 Andrew Cagney <cagney@redhat.com> 12 13 * interp.c (xfer_mem): Simplify. Only do a single partial 14 transfer. Problem reported by Tom Rix. 15 162003-05-07 Andrew Cagney <cagney@redhat.com> 17 18 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter. 19 (sim_d10v_translate_imap_addr): Ditto. 20 (sim_d10v_translate_dmap_addr): Ditto. 21 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr. 22 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr. 23 (dmap_register, imap_register): Add "regcache" parameter. 24 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr. 25 (sim_fetch_register): Pass NULL regcache to imap_register and 26 dmap_register. 27 282003-02-27 Andrew Cagney <cagney@redhat.com> 29 30 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd. 31 322002-11-13 Andrew Cagney <cagney@redhat.com> 33 34 * simops.c: Include <string.h>. 35 362002-06-17 Andrew Cagney <cagney@redhat.com> 37 38 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum. 39 402002-06-16 Andrew Cagney <ac131313@redhat.com> 41 42 * configure: Regenerated to track ../common/aclocal.m4 changes. 43 442002-06-13 Tom Rix <trix@redhat.com> 45 46 * interp.c (xfer_mem): Fix transfers across multiple segments. 47 482002-06-09 Andrew Cagney <cagney@redhat.com> 49 50 * Makefile.in (INCLUDE): Update path to callback.h. 51 * gencode.c: Do not include "callback.h". 52 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h". 53 * interp.c: Ditto. 54 552002-06-08 Andrew Cagney <cagney@redhat.com> 56 57 * interp.c (sim_fetch_register): Fix name of enum used in cast. 58 (sim_store_register): Ditto. 59 602002-06-02 Elena Zannoni <ezannoni@redhat.com> 61 62 From Jason Eckhardt <jle@redhat.com> 63 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is 64 less than MOD_S (post-decrement). 65 662002-06-01 Andrew Cagney <ac131313@redhat.com> 67 68 * interp.c (sim_fetch_register, sim_store_register): Use a switch 69 statement and enums from "sim-d10v.h". 70 712002-05-28 Elena Zannoni <ezannoni@redhat.com> 72 73 * interp.c (sim_create_inferior): Add comment. 74 75 From Alan Matsuoka <alanm@redhat.com>: 76 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>: 77 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f". 78 (OP_4401): Output "mvf0t" instead of "mf0t". 79 (OP_460B): Do not output a flag register. 80 (OP_4609): Do not output a flag register. 81 822002-05-23 Andrew Cagney <ac131313@redhat.com> 83 84 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h". 85 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h". 86 872001-08-01 John R. Moore <jmoore@redhat.com> 88 89 * interp.c (sim_create_inferior): Removed a hack that stated 90 it was setting r0/r1 with argc/argv. 91 922001-04-15 J.T. Conklin <jtc@redback.com> 93 94 * Makefile.in (simops.o): Add simops.h to dependency list. 95 96Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com> 97 98 * configure: Regenerated to track ../common/aclocal.m4 changes. 99 100Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com> 101 102 * interp.c (sim_resume): Deliver SIGILL. 103 (lookup_hash): Do not print SIGILL message. 104 105Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com> 106 107 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT. 108 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing. 109 110Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com> 111 112 * d10v_sim.h (SIG_D10V_BUS): Define. 113 114 * simops.c (address_exception): Delete function. 115 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000, 116 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800, 117 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00, 118 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to 119 address_exception with code that sets SIG_D10V_BUS. 120 121 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus 122 error to the simulator before resuming execution. 123 (sim_trace): Check stop reason and use that to determine sim_trace 124 return value. 125 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV 126 sigrc. 127 128Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com> 129 130 * interp.c (sim_create_inferior): Change internal initial value for 131 DMAP2 to 0x2000. 132 133Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com> 134 135 * interp.c (lookup_hash): Stop the update of the PC when there was 136 an illegal instruction exception. 137 138Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com> 139 140 * simops.c (address_exception): New function. 141 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000, 142 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800, 143 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00, 144 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st" 145 and "st2w" check that the address is aligned. 146 1471999-12-30 Chandra Chavva <cchavva@cygnus.com> 148 149 * d10v_sim.h (INC_ADDR): Added code to assign 150 proper address for loads with predec operations. 151 1521999-11-25 Nick Clifton <nickc@cygnus.com> 153 154 * simops.c (OP_4E0F): New function: Simulate new bit pattern for 155 cpfg instruction. 156 157Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com> 158 159 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either 160 DPSW and BPSW. 161 162Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com> 163 164 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW. 165 (PSW_HW_MASK): Declare. 166 167 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter. 168 (SET_CREG, SET_PSW_BIT): Update. 169 (SET_HW_CREG, SET_HW_PSW): Define. 170 171Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com> 172 173 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP 174 for DMAP3. 175 176Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com> 177 178 * interp.c (sim_d10v_translate_addr): New function. 179 (xfer_mem): Rewrite. Use sim_d10v_translate_addr. 180 (map_memory): Make INLINE. 181 182Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com> 183 184 * interp.c (sim_d10v_translate_dmap_addr): New function. 185 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change 186 offset parameter to type uint16. 187 * d10v_sim.h (dmem_addr): Update declaration. 188 189Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com> 190 191 * interp.c (imap_register, set_imap_register, dmap_register, 192 set_imap_register): Use map_memory. 193 (DMAP): Update. 194 (sim_create_inferior): Initialize all DMAP registers. NOTE that 195 DMAP2, in internal memory mode, is set to 0x0000 and NOT 196 0x2000. This is consistent with the older d10v boards. 197 198Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com> 199 200 * interp.c (sim_d10v_translate_imap_addr): New function. 201 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr. 202 (last_from, last_to): Declare. 203 204Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com> 205 206 * d10v_sim.h (struct d10v_memory): Define. Support very long 207 memories. 208 (struct _state): Replace imem, dmem and umem by mem. 209 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS, 210 DMEM_SEGMENTS, UMEM_SEGMENTS): Define. 211 212 * interp.c (map_memory): New function. 213 (sim_size, xfer_memory, imem_addr, dmem_addr): Update. 214 (UMEM_SEGMENTS): Moveed to "d10v_sim.h". 215 (IMEM_SIZEDMEM_SIZE): Delete. 216 217Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com> 218 219 * interp.c: Include "sim-d10v.h". 220 (imap_register, set_imap_register, dmap_register, 221 set_dmap_register, spi_register, spu_register, set_spi_register, 222 set_spu_register): New functions. 223 (sim_create_inferior): Update. 224 (sim_fetch_register, sim_store_register): Rewrite. Use enums 225 defined in sim-d10v.h. 226 227 * d10v_sim.h (DEBUG_MEMORY): Define. 228 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete. 229 230Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com> 231 232 * interp.c (sim_open): Allow a debug value to be passed to the -t 233 option. 234 (lookup_hash): Don't exit on an illegal instruction. 235 (do_long, do_2_short, do_parallel): Check for failed instruction 236 lookup. 237 238Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com> 239 240 * simops.c (OP_3220): Fix trace output for illegal accumulator 241 message. 242 2431999-09-14 Nick Clifton <nickc@cygnus.com> 244 245 * simops.c: Disable setting of DM bit in PSW. 246 247Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com> 248 249 * simops.c (op_types): Added new memory indirect type OP_MEMREF3. 250 (trace_input_func): Added support for OP_MEMREF3. 251 (OP_32010000): New instruction ld. 252 (OP_33010000): New instruction ld2w. 253 (OP_5209): New instruction sac. 254 (OP_4209): New instruction sachi. 255 (OP_3220): New instruction slae. 256 (OP_36010000): New instruction st. 257 (OP_37010000): New instruction st2w. 258 2591999-09-09 Stan Shebs <shebs@andros.cygnus.com> 260 261 * interp.c (old_segment_mapping): New global. 262 (xfer_mem): Change the default segment mapping to be the way 263 that Mitsubishi prefers, but use the previous mapping if 264 old_segment_mapping is true. 265 (sim_open): Add an option -oldseg to get the old mapping. 266 (sim_create_inferior): Init mapping registers based on the 267 value of old_segment_mapping. 268 2691999-09-07 Nick Clifton <nickc@cygnus.com> 270 271 * simops.c (OP_6601): Do not write back decremented address if 272 either of the destination registers was the same as the address 273 register. 274 (OP_6201): Do not write back incremented address if either of the 275 destination registers was the same as the address register. 276 277Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com> 278 279 * configure: Regenerated to track ../common/aclocal.m4 changes. 280 2811999-05-08 Felix Lee <flee@cygnus.com> 282 283 * configure: Regenerated to track ../common/aclocal.m4 changes. 284 2851999-04-02 Keith Seitz <keiths@cygnus.com> 286 287 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK 288 defined). 289 (sim_resume): If the counter has expired, call the ui_loop_hook, 290 if defined. 291 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of 292 ui_loop_hook calls. 293 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK. 294 295Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com> 296 297 * simops.c: If load instruction with auto increment/decrement 298 addressing is used when the destination register is the same as 299 the address register, then ignore the auto increment/decrement. 300 301Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com> 302 303 * simops.c (OP_5F00): Ifdef SYS_stat case because 304 not all systems have it defined. 305 3061999-01-26 Jason Molenda (jsm@bugshack.cygnus.com) 307 308 * simops.c (OP_5607): Correct saturation comparison/assignment. 309 (OP_1201, OP_1203, OP_17001200, OP_17001202, 310 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201, 311 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto. 312 3131999-01-26 Jason Molenda (jsm@bugshack.cygnus.com) 314 315 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation 316 comparison. 317 (OP_5607): Ditto. 318 (OP_2A00): Ditto. 319 (OP_2800): Ditto. 320 3211999-01-13 Jason Molenda (jsm@bugshack.cygnus.com) 322 323 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation 324 comparison. 325 326Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com> 327 328 * simops.c (sys/syscall.h): Include targ-vals.h instead. 329 (SYS_*): Replace with TARGET_SYS_*. 330 331 * Makefile.in: Add dependency on targ-vals.h. 332 (NL_TARGET): Define as NL_TARGET_d10v. 333 334Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com> 335 336 * interp.c (xfer_mem): Missing break, instruction memory case 337 flowed into unified memory case. 338 339Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com> 340 341 * simops.c: If load instruction with auto increment/decrement 342 addressing is used when the destination register is the same as 343 the address register, then ignore the auto increment/decrement. 344 345Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com> 346 347 * configure: Regenerated to track ../common/aclocal.m4 changes. 348 349Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche> 350 351 * configure: Regenerated to track ../common/aclocal.m4 changes. 352 * config.in: Ditto. 353 354Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com> 355 356 * acconfig.h: New file. 357 * configure.in: Reverted change of Apr 24; use sinclude again. 358 359Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche> 360 361 * configure: Regenerated to track ../common/aclocal.m4 changes. 362 * config.in: Ditto. 363 364Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com> 365 366 * configure.in: Don't call sinclude. 367 368Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com> 369 370 * interp.c (struct hash_entry): OPCODE and MASK are unsigned. 371 372 * d10v_sim.h (remote-sim.h, sim-config.h): Include. 373 374Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com> 375 376 * configure: Regenerated to track ../common/aclocal.m4 changes. 377 378Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com> 379 380 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain 381 up-to-date CR value. 382 (OP_OP_1000000, add3): Trace inputs before performing add. 383 (OP_5F00, <*>): Trace input registers before making system call. 384 (OP_5F00, <kill>): Trace R0, R1 not REGn. 385 (OP_5F00, <getpid>): Always return 47. 386 387 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND, 388 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write 389 back slots. 390 (struct _state): Add struct slot slot to global state variable. 391 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST, 392 F0, F1, C from global State variable. 393 (struct _state): Add struct trace to global State variable. 394 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND. 395 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG. 396 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr. 397 (INC_ADDR): Re-implement. Use SET_GPR to update registers. 398 (JMP): Re-implement. Use SET_* to update registers. 399 400 * interp.c: Use new SET_* et.al. macros to fetch / store 401 registers. 402 (get_operands): Squirrel away trace values at start of each 403 operand decode. 404 (do_2_short): Flush pending writes before issuing second 405 instruction. 406 (sim_resume): Flush pending writes at end of instruction cycle. 407 (sim_fetch_register, sim_store_register, sim_create_inferior): 408 After scheduling updates to registers using SET_*, flush updates. 409 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so 410 that each sets pc using SET_* and last SET_* eventually winds out. 411 412 * simops.c: Use new SET_* et.al. macros to fetch / store 413 registers. 414 (move_to_cr): Add MASK argument for selective update of CREG bits. 415 Re-implement using new SET_* macros. 416 (trace_output_func, trace_output): Delete. Replace with. 417 (do_trace_output_flush, trace_output_finish, trace_output_40, 418 trace_output_32, trace_output_16, trace_output_void, 419 trace_output_flag): New functions. Handle specific trace cases. 420 (OP_*): Re-write tracing to use new trace_output_* functions. 421 (OP_*): Re-write to use new SET_* et.al. macros. 422 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition. 423 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32. 424 425Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com> 426 427 * configure.in (SIM_AC_OPTION_WARNINGS): Add. 428 configure: Re-generate. 429 430Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com> 431 432 * configure: Regenerated to track ../common/aclocal.m4 changes. 433 434Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com> 435 436 * configure: Regenerated to track ../common/aclocal.m4 changes. 437 438Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com> 439 440 * configure: Regenerated to track ../common/aclocal.m4 changes. 441 442Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com> 443 444 * interp.c (sim_store_register, sim_fetch_register): Pass in 445 length parameter. Return -1. 446 447Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com> 448 449 * (dmem_addr): If address is illegal or in I/O space, signal a bus 450 error. Allocate unified memory on demand. Fix DMEM address 451 calculations. 452 453Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com> 454 455 * simops.c (OP_5F20): Implement "dbt". 456 (OP_5F60): Implement "rtd". 457 458 * d10v_sim.h (DPC_CR): Define enum. 459 (DBT_VECTOR_START): Define 460 (DPSW, DPC): Define. 461 462Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com> 463 464 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according 465 to PSW:SM. 466 467 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU. 468 (SP_IDX): Define. 469 470Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com> 471 472 * simops.c (OP_5F00): Call error instead of abort for unknown 473 syscalls. 474 475 * d10v_sim.h (enum): Define DPSW_CR. 476 477 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW. 478 479Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com> 480 481 * interp.c (sim_write_phys): Delete. 482 (sim_load): Call sim_load_file with sim_write and LMA. 483 484Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com> 485 486 * interp.c: Rewrite xfer_mem so that it translates addresses as - 487 0x00... - DMAP translated memory, 0x01... IMAP translated memory, 488 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified 489 memory. 490 (pc_addr): Delete. 491 (imem_addr): New function - translate IMEM address. 492 (sim_resume): Use imem_addr to translate insn address, abort if 493 translation failed. 494 (sim_create_inferior): Write ARGV to memory using sim_write. Pass 495 argc/argv using r0/r1 not r2/r3. 496 (sim_size): Do not initialize IMAP/DMAP here. 497 (sim_open): Call sim_create_inferior and sim_size to initialize 498 the system. 499 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset 500 defaults. 501 (init_system): Delete. 502 (xfer_mem, sim_fetch_register, sim_store_register): Do not call 503 init_system. 504 (decode_pc): Check prog_bfd is defined before looking up .text 505 section. 506 507Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com> 508 509 * configure: Regenerated to track ../common/aclocal.m4 changes. 510 511Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com> 512 513 * configure: Regenerated to track ../common/aclocal.m4 changes. 514 515Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com> 516 517 * interp.c (sim_stop_reason): Exit status is now in r0, not r2. 518 519Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com> 520 521 * d10v_sim.h (DEBUG_TRAP): New debug flag. 522 523 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into 524 printing the registers. 525 526Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com> 527 528 * simops.c (op_types): New ABI, args are r0..r3, system call # is 529 in r4. 530 (trace_{in,out}put_func): Ditto. 531 (OP_4900): Ditto. 532 (OP_24800000): Ditto. 533 (OP_4D00): Ditto. 534 (OP_5F00): Ditto. 535 536Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com> 537 538 * interp.c (UMEM_SEGMENTS): New define, set to 128. 539 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant. 540 (sim_close): Reset prog_bfd to NULL after closing it. Also 541 reset prog_bfd_was_opened_p after closing prog_bfd. 542 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd. 543 (sim_create_inferior): Get start address from abfd not prog_bfd. 544 (xfer_mem): Do bounds checking on addresses and return zero length 545 read/write on bad addresses, rather than aborting. Prepare to 546 be able to handle xfers that cross segment boundaries, but not 547 yet implemented. Only emit debug message when d10v_debug is 548 set as well as DEBUG being defined. 549 550Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba> 551 552 * configure: Regenerated to track ../common/aclocal.m4 changes. 553 554Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com> 555 556 * configure: Regenerated to track ../common/aclocal.m4 changes. 557 * config.in: Ditto. 558 559Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com> 560 561 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR. 562 (BPSW): Ditto for BPSW_CR and not PSW_CR. 563 564 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly. 565 566Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com> 567 568 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change 569 reserved trap from 0 to 15. Add trap emulation code for 0-14. 570 571 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check 572 IBA for SDBT. 573 574 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START, 575 SDBT_VECTOR_START, TRAP_VECTOR_START): Define. 576 577 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW, 578 use move_to_cr. 579 (OP_5F00): For "trap", update BPSW with move_to_cr. 580 581Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com> 582 583 * d10v_sim.h (enum): Enumerate CR register names. 584 (enum): Enumerate PSW bit values. 585 (PSW): Obtain value uing move_from_cr. 586 (MOD_S, MOD_E, BPSW): Make r-values. 587 (move_from_cr, move_to_cr): Declare functions. 588 589 * interp.c (sim_fetch_register, sim_store_register): Use 590 move_from_cr and move_to_cr for CR register transfers. 591 592 * simops.c (move_from_cr, move_to_cr): New functions. 593 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr. 594 (OP_5600): For "mvtc", use function move_to_cr. 595 (OP_5200): For "mvfc", use function move_from_cr. 596 597Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com> 598 599 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the 600 LSbit is zero. 601 602Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com> 603 604 * configure: Regenerated to track ../common/aclocal.m4 changes. 605 606Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com> 607 608 * d10v_sim.h (struct _state): Add DM - PSW debug mask. 609 610 * simops.c (OP_5600): For "mvtc", save PSW.DM. 611 (OP_5200): Ditto for "mvfc". 612 613Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com> 614 615 * d10v_sim.h (SEXT56): Define. 616 617 * simops.c (OP_4201): For "rac", sign extend 56 bit value before 618 it is shifted. 619 620 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using 621 SIGNED64 macro. 622 623Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com> 624 625 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or 626 RIGHT_FIRST, as appropriate, instead of hardcoded ints that 627 don't match enum values. 628 629Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com> 630 631 * simops.c (OP_3A00): For "macu", perform multiply stage using 32 632 bit rather than 16 bit precision. 633 (OP_3C00): For "mulxu", store unsigned product in ACC. 634 (OP_3800): For "msbu", subtract unsigned product from ACC, 635 (OP_0): For "sub", compute carry by comparing inputs. 636 637Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com> 638 639 * simops.c (OP_1000): For "sub2w", compute carry by comparing 640 inputs. 641 642Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com> 643 644 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract, 645 carry indicated by value > 0xffff. 646 647Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com> 648 649 * interp.c (sim_resume): Don't set up SIGINT handler using signal, 650 handled by client. 651 (sim_resume): Fix race condition of a direct assignment to 652 stop_simulator, conditionally call sim_stop. 653 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear 654 stop_simulator ready for next sim_resume call. 655 (sim_ctrl_c): Delete function. 656 657Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com> 658 659 * interp.c (sim_resume): For "REP", only check/update the PC when 660 a branch instruction has not been executed. 661 662Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com> 663 664 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign 665 extend bit 44 all constants. 666 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro. 667 668Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com> 669 670 * d10v_sim.h: Include sim-types.h. 671 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef 672 using unsigned8 et.al. from sim-types.h. 673 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with 674 SIGNED64 macro. 675 676Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com> 677 678 * interp.c (sim_write_phys): New function, write to physical 679 instead of virtual memory. 680 681 * interp.c (sim_load): Pass lma_p and sim_write_phys to 682 sim_load_file. 683 684Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com> 685 686 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move 687 exception generation code to OP_6E01. 688 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception 689 generation code. 690 691Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com> 692 693 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception. 694 (OP_6601): Ditto. 695 696Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com> 697 698 * configure: Regenerated to track ../common/aclocal.m4 changes. 699 700Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com> 701 702 * interp.c (pc_addr): Discard upper bit(s) of PC in case 703 IMAP1 selects unified memory. 704 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing 705 for end condition. 706 707Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com> 708 709 * configure: Regenerated to track ../common/aclocal.m4 changes. 710 711Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com> 712 713 * configure: Regenerated to track ../common/aclocal.m4 changes. 714 715Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com> 716 717 * configure: Regenerated to track ../common/aclocal.m4 changes. 718 719Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com> 720 721 * configure: Regenerated to track ../common/aclocal.m4 changes. 722 723Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com> 724 725 * configure: Regenerated to track ../common/aclocal.m4 changes. 726 727Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com> 728 729 * interp.c (sim_resume): Increment PC at end of rep 730 loop. 731 732 * simops.c (OP_4201): Fix rachi instruction. 733 734Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba> 735 736 * configure: Regenerated to track ../common/aclocal.m4 changes. 737 738Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com> 739 740 * configure: Regenerated to track ../common/aclocal.m4 changes. 741 * config.in: Ditto. 742 743Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com> 744 745 * interp.c (sim_kill): Delete. 746 (sim_create_inferior): Add ABFD argument. 747 (sim_load): Move setting of PC from here. 748 (sim_create_inferior): To here. 749 (start_address): Delete variable. 750 751Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com> 752 753 * configure: Regenerated to track ../common/aclocal.m4 changes. 754 * config.in: Ditto. 755 756Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com> 757 758 * interp.c (sim_open): Add ABFD argument. 759 760Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com> 761 762 * interp.c (sim_open): Add callback argument. 763 (sim_set_callbacks): Remove SIM_DESC argument. 764 765Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com> 766 767 * configure: Regenerated to track ../common/aclocal.m4 changes. 768 769Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com> 770 771 * interp.c (sim_open): Undo patch to add -E support. 772 773Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com> 774 775 * interp.c (sim_stop): New function. 776 777Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com> 778 779 * Makefile.in (SIM_OBJS): Add sim-load.o. 780 * d10v_sim.h (exec_bfd): Rename to prog_bfd. 781 * interp.c: #include bfd.h. 782 (myname, sim_kind, start_address): New static locals. 783 (prog_bfd_was_opened_p, prog_bfd): New static locals. 784 (decode_pc): Update to use prog_bfd. 785 (sim_open): Set sim_kind, myname. Ignore -E arg. 786 (sim_close): Close prog_bfd if simulator opened it. 787 (sim_create_inferior): Return SIM_RC. Delete arg start_address. 788 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd. 789 Call sim_load_file to load file into simulator. 790 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd. 791 792Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com> 793 794 * simops.c (OP_5F00): Only provide system calls SYS_execv, 795 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host. 796 797Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com> 798 799 * configure: Regenerated to track ../common/aclocal.m4 changes. 800 * config.in: Ditto. 801 802Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com> 803 804 * interp.c (sim_open): New arg `kind'. 805 806 * configure: Regenerated to track ../common/aclocal.m4 changes. 807 808Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com> 809 810 * configure: Regenerated to track ../common/aclocal.m4 changes. 811 812Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com> 813 814 * configure: Re-generate. 815 816Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com> 817 818 * configure: Regenerate to track ../common/aclocal.m4 changes. 819 820 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same 821 as trap 0, which will be deprecated. Only set errno, if an error 822 in fact was returned. 823 824Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com> 825 826 * interp.c: Delete redundant prototypes of sim_foo fns. 827 (sim_open): New SIM_DESC result. Argument is now in argv form. 828 (other sim_*): New SIM_DESC argument. 829 830Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com> 831 832 * simops.c (trace_{input,output}_func): Call flush_stdout from the 833 callback functions. 834 (OP_5F00): Ditto. 835 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer. 836 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in 837 setting the carry bit after an add or a subtract. 838 839Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com> 840 841 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom 842 40 bits of accumulators. Sign/zero extend as appropriate. 843 844Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com> 845 846 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use 847 COMMON_{PRE,POST}_CONFIG_FRAG instead. 848 * configure.in: sinclude ../common/aclocal.m4. 849 * configure: Regenerated. 850 851Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com) 852 853 * configure configure.in Makefile.in: Update to new configure 854 scheme which is more compatible with WinGDB builds. 855 * configure.in: Improve comment on how to run autoconf. 856 * configure: Re-run autoconf to get new ../common/aclocal.m4. 857 * Makefile.in: Use autoconf substitution to install common 858 makefile fragment. 859 860Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com) 861 862 * gencode.c: patch to not #include "d10v_sim.h" which 863 unecessarily includes bfd.h and causes wingdb configure 864 to fail. 865 866Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 867 868 * interp.c (xfer_mem): Change unified memory to 0x0. 869 870Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com> 871 872 * simops.c (OP_3E01): Fix tracing information. 873 (OP_300{0,1}): Do not propigate sign. 874 875Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com> 876 877 * config.in (WORDS_BIGENDIAN): Add. 878 * configure: Regenerated. 879 * d10v_sim.h: #include "config.h" 880 881Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com> 882 883 * gencode.c (write_opcodes): Eliminate warnings when generated 884 table.c is compiled. 885 886Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com> 887 888 * interp.c (sim_open): Cast result of calloc, and make sure NULL 889 was not returned. 890 (dmem_addr): If address is illegal or in I/O space, signal a bus 891 error. 892 (pc_addr): Signal bus error, not illegal instruction for bogus 893 pc. 894 895Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com> 896 897 * Makefile.in: Delete all stuff moved to ../common/Make-common.in. 898 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define. 899 * configure.in: Simplify using macros in ../common/aclocal.m4. 900 Call AC_CHECK_HEADERS(unistd.h). 901 * configure: Regenerated. 902 * config.in: New file. 903 * interp.c: #include "callback.h". 904 * simops.c: #include "config.h". #include <unistd.h> if present. 905 906Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 907 908 * d10v-sim.h (simops): Add flag is_long. 909 (State): Add pc_changed. Instructions which update the PC should 910 use the JMP macro which sets this. 911 (JMP): New macro. Sets the PC and the pc_changed flag. 912 913 * gencode.c (write_opcodes): Add is_long field. 914 915 * interp.c (lookup_hash): If we blindly apply a short opcode's mask 916 to a long opcode we could get a false match. Check the opcode size. 917 (hash): Add a size field to the hash table. 918 (sim_open): Initialize size field in hash table. 919 (sim_resume): Change to logic for setting the PC. Used to increment the 920 PC if it had not been changed. This didn't allow single-instruction loops. 921 Now checks the flag State.pc_changed. Also now stops when ^C is received. 922 (dmem_addr): Fix translation of data segments to unified memory. 923 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag. 924 925 * simops.c: Changed all branch and jump instructions to use new JMP macro. 926 (OP_20000000): Corrected trace information to show this is a ldi.l, not 927 a ldi.s instruction. 928 929Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 930 931 * interp.c (sim_fetch_register, sim_store_register): Fix bug where 932 updating the accumulators was overwriting other parts of the global 933 State variable. 934 935Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com> 936 937 * interp.c (bfd.h) Don't include it here any more. 938 (text{,_start,_end}): Move here from simops.c and make extern. 939 (decode_pc): New function to return the PC as an address that the 940 debugger can use. 941 (dmem_addr): Print decoded PC in error message. 942 (pc_addr): Ditto. 943 944 * simops.c (bfd.h) Don't include it here any more. 945 (text{,_start,_end}): Move to simops.c. 946 (trace_input_func): Move decoding of PC, and looking up .text 947 start to decode_pc. 948 949 * d10v_sim.h (bfd.h): Include it here. 950 (text{,_start,_end}): Add external declarations. 951 (exec_bfd): Ditto. 952 (decode_pc): Ditto. 953 954Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 955 956 * interp.c (sim_size): Now allocates unified memory for imap segments 957 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0. 958 (sim_write): Just call xfer_mem(). 959 (sim_read): Just call xfer_mem(). 960 (xfer_mem): New function. Does appropriate memory mapping and copies bytes. 961 (dmem_addr): New function. Reads dmap register and translates data 962 addresses to local addresses. 963 (pc_addr): New function. Reads imap register and computes local address 964 corresponding to contents of the PC. 965 (sim_resume): Change to use pc_addr(). 966 (sim_create_inferior): Change reinitialization code. Also reinitializes 967 imap[01] and dmap. 968 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap. 969 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap. 970 971 * simops.c (MEMPTR): Redefine to use dmem_addr(). 972 (OP_5F00): Replace references to STate.imem with dmem_addr(). 973 974 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128]. 975 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr(). 976 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define. 977 978Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com> 979 980 * d10v_sim.h (_ins_type): Reorganize, so that we can provide 981 better statistics, like not counting NOPS as parallel 982 instructions, and printing total cycles. 983 (ins_type_counters): Make unsigned long. 984 (left_nops,right_nops): Fold into ins_type_counters. 985 986 * simops.c (trace_input_func): Print new instruction types. 987 Handle OP_R2R3 as input types. 988 (OP_{38000000,7000}): Correctly sign extend bytes. 989 (OP_5E00): Don't count NOPs as parallel instructions. 990 (OP_460B): Remove unused variable. 991 (OP_5F00): Ditto. 992 993 * interp.c (ins_type_counters): Make unsigned long. 994 (left_nops,right_nops): Delete. 995 (most functions): Add prototypes. 996 (INLINE): If GCC and optimize define as __inline__. 997 ({,lookup_}hash,get_operands): Declare as INLINE. 998 (do_parallel): Count conditional operations. 999 (add_commas): New function, to add commas every 3 digits. 1000 (sim_size): Call add_commas to print numbers. 1001 (sim_{open,resume}): Delete unused variables. 1002 (sim_info): Provide better statistics. 1003 (sim_read): Add int return type. 1004 1005Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1006 1007 * interp.c (sim_resume): Change the way single-stepping and exceptions 1008 are handled so single-stepping works again. 1009 1010Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1011 1012 * endian.c: Optimize simulated loads/stores on x86, AIX, and big 1013 endian hosts. 1014 1015 * configure.in (--enable-sim-bswap): New switch to enable using 1016 the BSWAP instruction on x86's. 1017 * configure: Regenerate. 1018 1019 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap 1020 support. 1021 1022Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1023 1024 * endian.c: New file. Move endian functions here from interp.c. 1025 Optimize code, and make it work as either inline functions or as a 1026 separate file. 1027 1028 * interp.c: Move endian functions from here to endian.c. 1029 1030 * Makefile.in (INCLUDE): Add endian.c. 1031 (run,libsim.a): Add dependency on endian.o. 1032 (endian.o): Add dependency. 1033 1034 * d10v_sim.h (read/write support): Always go through the machine 1035 independent endian functions. If compiling with GCC and 1036 optimizing, include endian.c so the endian functions are inlined. 1037 1038 * simops.c (OP_5F00): Correct tracing of accumulators. 1039 1040Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1041 1042 * simops.c (OP_5F00): Add support for getpid, kill system calls. 1043 1044 * interp.c (do_{2_short,parallel}): If an exception is raised, 1045 don't execute the second instruction. 1046 1047Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1048 1049 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a 1050 temporary in case the register is overriden when loading. 1051 (OP_6200): Output type is OP_DREG for tracing. 1052 1053Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1054 1055 * d10v_sim.h (struct _state): Add mem_{min,max} fields. 1056 1057 * interp.c (sim_size): Initialize mem_{min,max} fields. 1058 (sim_write): Update mem_{min,max} fields. 1059 (sim_resume): If PC is not in the minimum/maximum memory range, 1060 abort. 1061 (sim_create_inferior): Preserve mem_{min,max} fields. 1062 1063Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com> 1064 1065 * simops.c (OP_5F00): Add support for time() system call. 1066 1067Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1068 1069 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being 1070 stored if tracing. 1071 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for 1072 system calls. 1073 1074Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1075 1076 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}. 1077 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}. 1078 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3 1079 to call/subroutine returns to trace the first two arguments and 1080 the return value. For small jumps, use CONSTANT8, not CONSTANT16. 1081 1082Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1083 1084 * interp.c (sim_create_inferior): Reinitialize State every time 1085 sim_create_inferior() is called. 1086 1087Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net> 1088 1089 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right 1090 on comparisons. 1091 (OP_401): Fix tracing information. 1092 1093Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1094 1095 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output. 1096 (trace_input_func): Use them. 1097 (trace_input_func): Make sure there is a trailing space after the 1098 instruction. 1099 (OP_6200): Fix tracing info. 1100 1101 * Makefile.in (run): Add dependencies on libbfd.a and 1102 libiberity.a. 1103 1104Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1105 1106 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line 1107 numbers and function names in debug trace. 1108 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and 1109 DEBUG_LINE_NUMBER. 1110 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction 1111 and exit system call trap being executed. 1112 1113 * interp.c (sim_stop_reason): Set exit code correctly for stop 1114 instruction and exit system call trap. 1115 1116 * configure.in (--enable-sim-cflags): Remove trace case. 1117 (--enable-sim-debug): New switch to set the debug values. 1118 * configure: Regenerate. 1119 1120 * simops.c (trace_{input,output}_func): Rename from 1121 trace_{input,output}. 1122 (trace_{input,output}): Call trace_{input,output}_func if 1123 d10v_debug is non-zero. 1124 (SIZE_INSTRUCTION): Cut down to 8. 1125 (SIZE_OPERANDS): Cut down to 18. 1126 (SIZE_LOCATION): New value for size of line number, function name 1127 field. 1128 (init_text_p,text{,_start,_end}): New static variables for 1129 printing line number and function name. 1130 (exec_bfd): New external that run.c sets. 1131 (trace_input_func): Print line number and function name if 1132 available and if desired. 1133 (OP_4E09): Don't print out DBT message. 1134 (OP_5FE0): Set exception field to SIG_D10V_STOP. 1135 (OP_5F00): Set exception field to SIG_D10V_EXIT. 1136 1137Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1138 1139 * interp.c (do_2_short): If the instruction encodes jump->ins, 1140 don't do the second instruction if the jump succeeds. 1141 1142Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1143 1144 * simops.c (OP_5F00): Use unknown traps to print all GPRs, 1145 accumulators, PC, and F0/F1/C flags. 1146 1147Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com> 1148 1149 * simops.c (OP_5F00): Fix problems with system calls. 1150 1151Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1152 1153 * simops.c (OP_5F00): Correct tracing information for trap. 1154 1155Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1156 1157 * Makefile.in (CSEARCH): Correctly find opcodes directory. 1158 1159Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1160 1161 * simops.c (trace_output): Properly align accumulator output. 1162 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error 1163 if shift count is too high. 1164 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book. 1165 (OP_4E09): Make cpfg properly trace the input flags. 1166 (op_types): Add OP_FLAG_OUTPUT. 1167 (trace_{input,output}): Support OP_FLAG_OUTPUT. 1168 (OP_31000000): This ld2w varient is a 16-bit memory reference, not 1169 an 8-bit memory reference instruction for tracing purposes. 1170 (OP_201): Addi needs to set the carry. 1171 1172Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1173 1174 * simops.c (OP_2600, OP_2601): Changed min and max comparisons 1175 to use signed register values. 1176 1177Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1178 1179 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug 1180 output. 1181 (_ins_type): New enumeration to specify which container an 1182 instruction is in, and whether it is part of a parallel operation. 1183 (_state): Add ins_type field. 1184 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types. 1185 (ins_type_counters): Counters for the various instruction types. 1186 ({left,right}_nops): Counters for the number of nops in each 1187 container. 1188 (d10v_debug): New variable to indicate whether debugging is turned 1189 on. 1190 1191 * simops.c: (all functions): Change all #ifdef DEBUG code so that 1192 the input and output values can be traced, along with the 1193 instruction type. Make the -t option enable tracing. 1194 (all functions): Change printf calls to use the printf_filtered 1195 function in the callback table. 1196 1197 * interp.c (_leftright): New enumeration to say whether 2 short 1198 instructions are done left first or right first. 1199 (do_{long,2_short,parallel}): Indicate in the machine state which 1200 type of instruction this is. Count each of the types of 1201 instructions executed. 1202 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug 1203 flag is set. 1204 (sim_resume): Pass left/right indication to do_2_short. 1205 (all functions): Change printf calls to use the printf_filtered 1206 function in the callback table. 1207 (sim_trace): Turn on debug flag if DEBUG was defined, and call 1208 sim_resume. 1209 (sim_info): Print out statistics on instructions. 1210 (sim_{trace,create_inferior}): Eliminate extraneous output unless 1211 debugging. 1212 (sim_open): If args == -t and DEBUG was defined, set d10v_debug. 1213 Only initialize the hash table the first time sim_open is called. 1214 1215 * Makefile.in: Make objects depend on d10v_sim.h. 1216 ({,SIM_}CFLAGS): Include configure dependent switches. Setting 1217 CFLAGS does not override host/target defines or SIM_CFLAGS. 1218 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode. 1219 (run): By default, the math library is not needed to be linked 1220 in. 1221 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be 1222 overridden. 1223 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU 1224 makes. 1225 ({run,callback}.o): Provide explicit paths to their appropriate 1226 source directories. 1227 (gencode{,.o},d10v-opc.o): Split compilation into creating object 1228 and linking. Instead of linking in libopcodes.a, just compile 1229 d10v-opc.o directly to handle canadian cross. 1230 (CSEARCH): Add opcodes directory. 1231 1232 * configure.in (--enable-sim-cflags): New switch to allow user to 1233 set the defaults. 1234 (CC_FOR_BUILD): Deal with canadian crosses. 1235 * configure: Regenerate. 1236 1237Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com> 1238 1239 * simops.c: Include correct syscall.h for d10v, not host's. 1240 Fix #ifdef SYS_stat. 1241 1242Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com> 1243 1244 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef. 1245 Add trap 2 to be printf and trap 3 to be putchar. 1246 1247Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com> 1248 1249 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support 1250 for low-level system calls. 1251 1252Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1253 1254 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems. 1255 1256Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1257 1258 * d10v_sim.h (SEXT32): Added. 1259 * interp.c: Commented out printfs. 1260 * simops.c: Fixed error in sb and st2w. 1261 1262Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1263 1264 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining 1265 DSP instructions. Added modulo addressing. 1266 1267Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1268 1269 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot. 1270 1271Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1272 1273 * d10v_sim.h, simops.c: Snapshot. 1274 1275Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com> 1276 1277 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h, 1278 gencode.c, interp.c, simops.c: Created. 1279 1280