sim/tic80/ChangeLog

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