sim/tic80/ChangeLog

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