sim/tic80/ChangeLog

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