sim/tic80/ChangeLog

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