sim/tic80/ChangeLog

   1 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4
   5 Mon Sep  8 20:10:43 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   6
   7         * cpu.h (CPU_CIA): Define.
   8
   9         * sim-main.h (struct sim_state): Delete halt_ok, path_to_halt,
  10         restart_ok, path_to_restart members.
  11         (struct sim_state): Delete reason, siggnal members.
  12
  13 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
  14
  15         * configure: Regenerated to track ../common/aclocal.m4 changes.
  16
  17 Thu Sep  4 17:45:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  18
  19         * sim-calls.c (sim_open): Add memory before parsing arguments.
  20         (sim_read): Delete, replace with sim-hrw.
  21         (sim_write): Delete, replace with sim-hrw.
  22
  23 Thu Sep  4 10:48:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  24
  25         * sim-calls.c (sim_open): Use sim_do_command to add memory, only
  26         add memory if none already present.
  27         (sim_open): Move init of registers from here.
  28         (sim_create_inferior): To here. Init modules.
  29
  30         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
  31
  32         * sim-calls.c (sim_open): Add zero modulo arg to sim_core_attach.
  33
  34 Mon Sep  1 11:06:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  35
  36         * sim-calls.c (sim_open): Use sim_state_alloc
  37         (simulation): Delete.
  38
  39 Sat Aug 30 09:40:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  40
  41         * insns (do_trap): Unsigned `i' for unsigned iterator.
  42         (do_trap): Ditto for comparison with getpid.
  43
  44 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  45
  46         * configure: Regenerated to track ../common/aclocal.m4 changes.
  47         * config.in: Ditto.
  48
  49 Wed Aug 27 13:41:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  50
  51         * insns (do_st): Use U8_4 instead of V4_L8.
  52
  53         * sim-calls.c (sim_open): Add call to sim_analyze_program, update
  54         call to sim_config.
  55
  56         * sim-calls.c (sim_kill): Delete.
  57         (sim_create_inferior): Add ABFD argument.  Initialize PC from ABFD
  58         and not SD.
  59         (sim_load): Delete, use sim-hload.c.
  60
  61         * Makefile.in (SIM_OBJS): Add sim-hload.o module.
  62
  63 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  64
  65         * configure: Regenerated to track ../common/aclocal.m4 changes.
  66         * config.in: Ditto.
  67
  68 Mon Aug 25 16:33:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  69
  70         * sim-calls.c (sim_open): Add ABFD argument.
  71         (sim_open): Move sim_config call to just after argument
  72         parsing. Check return status.
  73
  74 Fri Aug  8 21:52:27 1997  Mark Alexander  <marka@cygnus.com>
  75
  76         * sim-calls.c (sim_store_register): Allow accumulators
  77         other than A0 to be modified.  Correct error message.
  78
  79 Thu May 29 14:02:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  80
  81         * misc.c (tic80_trace_fpu3, tic80_trace_fpu2, tic80_trace_fpu1,
  82         tic80_trace_fpu2i): Pass in function prefix.
  83         (tic80_trace_ldst): Rewrite so it calls print_one_insn directly.
  84
  85         * Makefile.in (SIM_OBJS): Include sim-watch.o module.
  86
  87         * sim-main.h (WITH_WATCHPOINTS): Enable watchpoints.
  88
  89         * ic (bitnum): Compute bitnum from BITNUM.
  90         * insn (bbo, bbz): Use.
  91
  92         * insn: Convert long immediate instructions to igen long immediate
  93         form.
  94         * insn: Add disasembler information.
  95
  96 Thu May 29 12:09:13 1997  Andrew Cagney  <cagney@b2.cygnus.com>
  97
  98         * alu.h (IMEM_IMMED): New macro, fetch 32bit immediate operand N.
  99
 100         * insns (subu i): Immediate is signed not unsigned.
 101
 102 Tue May 27 13:22:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 103
 104         * sim-calls.c (sim_read): Pass NULL cpu to sim_core_read_buffer.
 105         (sim_write): Ditto for write.
 106
 107 Tue May 20 09:33:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 108
 109         * sim-calls.c (sim_load): Set STATE_LOADED_P.
 110
 111         * sim-main.h: Include <unistd.h>.
 112
 113         * sim-calls.c (sim_set_callback): Delete.
 114         (sim_open): Add/install callback argument.
 115         (sim_size): Delete.
 116
 117 Mon May 19 18:59:33 1997  Mike Meissner  <meissner@cygnus.com>
 118
 119         * configure.in: Check for getpid, kill functions.
 120         * config{.in,ure}: Regenerate.
 121
 122         * insns (do_trap): Add support for kill, getpid system calls.
 123
 124         * sim-main.h (errno.h): Include.
 125         (getpid,kill): Define as NOPs if the host doesn't have them.
 126
 127 Mon May 19 14:58:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 128
 129         * sim-calls.c (sim_open): Set the simulator base magic number.
 130         (sim_load): Delete prototype of sim_load_file.
 131         (sim_open): Define sd to be &simulation.
 132
 133 Fri May 16 14:35:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 134
 135         * insns (illegal, fp_unavailable): Halt instead of abort the
 136         simulator.
 137
 138         * insns: Replace calls to engine_error with sim_engine_abort.
 139         Ditto for engine_halt V sim_engine_halt.
 140
 141 Tue May 13 15:24:12 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 142
 143         * interp.c (engine_run_until_stop): Delete. Moved to common.
 144         (engine_step): Ditto.
 145         (engine_step): Ditto.
 146         (engine_halt): Ditto.
 147         (engine_restart): Ditto.
 148         (engine_halt): Ditto.
 149         (engine_error): Ditto.
 150
 151         * sim-calls.c (sim_stop): Delete. Moved to common.
 152         (sim_stop_reason): Ditto.
 153         (sim_resume): Ditto.
 154
 155         * Makefile.in (SIM_OBJS): Link in generic sim-engine, sim-run,
 156         sim-resume, sim-reason, sim-stop modules.
 157
 158 Fri May 16 11:57:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 159
 160         * ic (compute): Drop check for REG == 0, now always forced to
 161         zero.
 162
 163         * cpu.h (GPR_SET): New macro update the gpr.
 164         * insns (do_add): Use GPR_SET to update the GPR register.
 165
 166         * sim-calls.c (sim_fetch_register): Pretend that r0 is zero.
 167
 168         * Makefile.in (tmp-igen): Specify zero-r0 so that every
 169         instruction clears r0.
 170
 171         * interp.c (engine_run_until_stop): Igen now generates code to
 172         clear r0.
 173         (engine_step): Ditto.
 174
 175 Thu May 15 11:45:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 176
 177         * insns (do_shift): When rot==0 and zero/sign merge treat it as
 178         32.
 179         (set_fp_reg): For interger conversion, use sim-fpu fpu2i
 180         functions.
 181         (do_fmpy): Perform iii and uuu using integer arithmetic.
 182
 183         * Makefile.in (ENGINE_H): Assume everything depends on the fpu.
 184
 185         * insns (get_fp_reg): Use sim_fpu_u32to to perform unsigned
 186         conversion.
 187         (do_fcmp): Update to use new fp compare functions. Make reg nr arg
 188         instead of reg.  Stops fp overflow.
 189         (get_fp_reg): Assume val is valid when reg == 0.
 190         (set_fp_reg): Fix double conversion.
 191
 192         * misc.c (tic80_trace_fpu1): New function, trace simple fp op.
 193
 194         * insns (do_frnd): Add tracing.
 195
 196         * cpu.h (TRACE_FPU1): Ditto.
 197
 198         * insns (do_trap): Printf formatting.
 199
 200 Wed May 14 18:05:50 1997  Mike Meissner  <meissner@cygnus.com>
 201
 202         * misc.c (tic80_trace_fpu{3,2,2i}): Align columns with other
 203         insns.  Use %g to print floating point instead of %f in case the
 204         numbers are real large.
 205
 206 Tue May 13 18:00:10 1997  Mike Meissner  <meissner@cygnus.com>
 207
 208         * insns (do_trap): For system calls that are defined, but not
 209         provided return EINVAL. Temporarily add traps 74-79 to just print
 210         the register state.
 211
 212         * interp.c (engine_{run_until_stop,step}): Before executing
 213         instructions, make sure r0 == 0.
 214
 215 Tue May 13 16:39:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 216
 217         * alu.h (IMEM): Take full cia not just IP as argument.
 218
 219         * interp.c (engine_run_until_stop): Delete handling of annuled
 220         instructions.
 221         (engine_step): Ditto.
 222
 223         * insn (do_branch): New function.
 224         (do_bbo, do_bbz, do_bcnd, do_bsr, do_jsr): Use do_branch to handle
 225         annuled branches.
 226
 227 Mon May 12 17:15:52 1997  Mike Meissner  <meissner@cygnus.com>
 228
 229         * insns (do_{ld,st}): Fix tracing for ld/st.
 230
 231 Mon May 12 11:12:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 232
 233         * sim-calls.c (sim_stop_reason): Restore keep_running after a
 234         CNTRL-C, don't re-clear it.
 235
 236         * interp.c (engine_error): stop rather than signal with SIGABRT
 237         when an error.
 238
 239         * insns (do_ld): For 64bit loads, always store LSW in rDest, MSW in
 240         rDest + 1. Also done by Michael Meissner  <meissner@cygnus.com>
 241         (do_st): Converse for store.
 242
 243         * misc.c (tic80_trace_fpu2i): Correct printf format for int type.
 244
 245 Sun May 11 11:02:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 246
 247         * sim-calls.c (sim_stop_reason): Return a SIGINT if keep_running
 248         was cleared.
 249
 250         * interp.c (engine_step): New function.  Single step the simulator
 251         taking care of cntrl-c during a step.
 252
 253         * sim-calls.c (sim_resume): Differentiate between stepping and
 254         running so that a cntrl-c during a step is reported.
 255
 256 Sun May 11 10:54:31 1997  Mark Alexander    <marka@cygnus.com>
 257
 258         * sim-calls.c (sim_fetch_register): Use correct reg base.
 259         (sim_store_register): Ditto.
 260
 261 Sun May 11 10:25:14 1997  Michael Meissner  <meissner@cygnus.com>
 262
 263         * cpu.h (tic80_trace_shift): Add declaration.
 264         (TRACE_SHIFT): New macro to trace shift instructions.
 265
 266         * misc.c (tic80_trace_alu2): Align spacing.
 267         (tic80_trace_shift): New function to trace shifts.
 268
 269         * insns (lmo): Add missing 0b prefix to bits.
 270         (do_shift): Use ~ (unsigned32)0, instead of -1.  Use TRACE_SHIFT
 271         instead of TRACE_ALU2.
 272         (sl r): Use EndMask as is, instead of using Source+1 register.
 273         (subu): Operands are unsigned, not signed.
 274         (do_{ld,st}): Fix endian problems with ld.d/st.d.
 275
 276 Sat May 10 12:35:47 1997  Michael Meissner  <meissner@cygnus.com>
 277
 278         * insns (and{.tt,.tf,.ft,.ff}): Immediate values are unsigned, not
 279         signed.
 280
 281 Fri May  9 15:47:36 1997  Mike Meissner  <meissner@cygnus.com>
 282
 283         * insns (cmp_vals,do_cmp): Produce the correct bits as specified
 284         by the architecture.
 285         (xor): Fix xor immediate patterns to use the correct bits.
 286
 287 Fri May  9 09:55:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 288
 289         * alu.h (long_immediate): Adjust the CIA delay-pointer as well as
 290         the NIA when a 64bit insn.
 291
 292 Thu May  8 11:57:47 1997  Michael Meissner  <meissner@cygnus.com>
 293
 294         * insns (jsr,bsr): For non-allulled calls, set r31 so that the
 295         return address does not reexecute the instruction in the delay
 296         slot.
 297         (bbo,bbz): Complement bit number to reverse the one's complement
 298         that the assembler is required to do.
 299
 300         * misc.c (tic80_trace_*): Change format slightly to accomidate
 301         real large decimal values.
 302
 303 Thu May  8 14:07:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 304
 305         * sim-calls.c (sim_do_command): Implement.
 306         (sim_store_register): Fix typo T2H v H2T.
 307
 308 Wed May  7 11:48:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 309
 310         * cpu.h (TRACE_FPU2, TRACE_FPU3, TRACE_FPU2I): Add.
 311         * insn: Clean up fpu tracing.
 312
 313         * sim-calls.c (sim_create_inferior): Start out with interrupts
 314         enabled.
 315
 316         * cpu.h (TRACE_SINK3), misc.c (tic80_trace_sink3): Three argument
 317         sink
 318
 319         * insns (rdcr, swcr, wrcr, brcr, rmo, lmo): Implement.
 320
 321         * insns (do_*): Remove MY_INDEX/indx argument from support functions,
 322         igen now handles this.
 323
 324         * cpu.h (CR): New macro - access TIc80 control registers.
 325
 326         * misc.c: New file.
 327         (tic80_cr2index): New function, map control register opcode index
 328         into the internal CR enum.
 329
 330         * interp.c
 331         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Move from
 332         here
 333         * misc.c: to here.
 334
 335         * Makefile.in (SIM_OBJS): Add misc.o.
 336
 337 Tue May  6 15:22:58 1997  Mike Meissner  <meissner@cygnus.com>
 338
 339         * cpu.h ({,v}{S,D}P_FPR): Delete unused macros that won't work on
 340         big endian hosts.
 341         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): Declare
 342         new functions.
 343         (TRACE_{ALU{2,3},NOP,SINK{1,2},{,U}COND_BR,LD,ST}): New macros to
 344         trace various instruction types.
 345
 346         * insns: Modify all instructions to support semantic tracing.
 347
 348         * interp.c (toplevel): Include itable.h.
 349         (tic80_trace_{alu{2,3},nop,sink{1,2},{,u}cond_br,ldst}): New
 350         functions to provide semantic level tracing information.
 351
 352 Mon May  5 11:50:43 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 353
 354         * alu.h: Update usage of core object to reflect recent changes in
 355         ../common/sim-*core.
 356         * sim-calls.c (sim_open): Ditto.
 357
 358 Mon May  5 14:10:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 359
 360         * insn (cmnd): No-op cache flushes.
 361
 362         * insns (do_trap): Allow writes to STDERR.
 363
 364         * Makefile.in (SIM_OBJS): Link in sim-fpu.o.
 365         (SIM_EXTRA_LIBS): Link in the math library.
 366
 367         * alu.h: Add support for floating point unit using sim-alu.
 368
 369         * insns (fadd, fsub, fmpy, fdiv, fcmp, frnd*): Implement.
 370
 371 Fri May  2 14:57:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 372
 373         * sim-calls.c: Include sim-utils.h and sim-options.h.
 374
 375         * sim-main.h (sim_state): Drop sim_events and sim_core members,
 376         moved to simulator base type.
 377
 378         * alu.h (IMEM, MEM, STORE): Update track changes in common
 379         directory.
 380
 381         * insns: Drop cia argument from functions, igen now handles this.
 382
 383         * interp.c (engine_init): Include string.h/strings.h to define
 384         memset et.al.
 385
 386         * sim-main.h (sim_cia): Delcare, tracking common dir changes.
 387
 388         * cpu.h (sim_cpu): Update instruction_address with sim_cia.
 389
 390 Wed Apr 30 11:26:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 391
 392         * sim-main.h (signal.h): Include so that SIG* available to all
 393         callers of sig_halt.
 394
 395         * insns (do_shift): New function, implement shift operations.
 396         (do_trap): Add handler for trap 73 - SIGTRAP.
 397
 398 Tue Apr 29 10:58:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 399
 400         * alu.h (MEM, STORE): Force addresses to be correctly aligned.
 401
 402         * insns (do_jsr): Fix.
 403         (do_st, do_ld): Handle 64bit transfers.
 404         (do_trap): Match libgloss.
 405         (rdcr): Implement nop - Dest == r0 - variant.
 406
 407         * sim-calls.c (sim_create_inferior): Initialize SP.
 408
 409         * Makefile.in (ENGINE_H): Everything now depends on sim-options.h.
 410         (support.o): Depends on ENGINE_H.
 411
 412         * cpu.h: Four accumulators.
 413
 414         * Makefile.in (tmp-igen): Include line number information in
 415         generated files.
 416
 417         * insns (dld, dst): Fill in.
 418
 419 Mon Apr 28 13:02:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 420
 421         * insns (vld): Fix instruction format wrong.
 422
 423 Thu Apr 24 16:43:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 424
 425         * dc: Add additional rules so that minor opcode files are
 426         detected.
 427         * insns: Enable more instructions.
 428
 429         * sim-calls.c (sim_fetch_register,sim_store_register, sim_write):
 430         Implement.
 431
 432 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 433
 434         * configure: Regenerated to track ../common/aclocal.m4 changes.
 435         * Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
 436         * sim-calls.c (sim_open): Call sim_module_uninstall if argument
 437         parsing fails.  Call sim_post_argv_init.
 438         (sim_close): Call sim_module_uninstall.
 439
 440 Wed Apr 23 20:05:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 441
 442         * insns (and, bbo, bcnd, bsr, dcache, jsr, or, xor, nor): Enable.
 443         * ic: Add fields for enabled instructions.
 444