sim/tic80/ChangeLog

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