sim/tic80/ChangeLog

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