sim/tic80/ChangeLog

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