sim/tic80/ChangeLog

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