sim/tic80/ChangeLog

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