sim/tic80/ChangeLog

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