sim/d10v/ChangeLog

   1 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
   2
   3         * interp.c (sim_resume): Change the way single-stepping and exceptions
   4         are handled so single-stepping works again.
   5
   6 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
   7
   8         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
   9         endian hosts.
  10
  11         * configure.in (--enable-sim-bswap): New switch to enable using
  12         the BSWAP instruction on x86's.
  13         * configure: Regenerate.
  14
  15         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
  16         support.
  17
  18 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  19
  20         * endian.c: New file.  Move endian functions here from interp.c.
  21         Optimize code, and make it work as either inline functions or as a
  22         separate file.
  23
  24         * interp.c: Move endian functions from here to endian.c.
  25
  26         * Makefile.in (INCLUDE): Add endian.c.
  27         (run,libsim.a): Add dependency on endian.o.
  28         (endian.o): Add dependency.
  29
  30         * d10v_sim.h (read/write support): Always go through the machine
  31         independent endian functions.  If compiling with GCC and
  32         optimizing, include endian.c so the endian functions are inlined.
  33
  34         * simops.c (OP_5F00): Correct tracing of accumulators.
  35
  36 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  37
  38         * simops.c (OP_5F00): Add support for getpid, kill system calls.
  39
  40         * interp.c (do_{2_short,parallel}): If an exception is raised,
  41         don't execute the second instruction.
  42
  43 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  44
  45         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
  46         temporary in case the register is overriden when loading.
  47         (OP_6200): Output type is OP_DREG for tracing.
  48
  49 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  50
  51         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
  52
  53         * interp.c (sim_size): Initialize mem_{min,max} fields.
  54         (sim_write): Update mem_{min,max} fields.
  55         (sim_resume): If PC is not in the minimum/maximum memory range,
  56         abort.
  57         (sim_create_inferior): Preserve mem_{min,max} fields.
  58
  59 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
  60
  61         * simops.c (OP_5F00): Add support for time() system call.
  62
  63 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  64
  65         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
  66         stored if tracing.
  67         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
  68         system calls.
  69
  70 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  71
  72         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
  73         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
  74         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
  75         to call/subroutine returns to trace the first two arguments and
  76         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
  77
  78 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
  79
  80         * interp.c (sim_create_inferior): Reinitialize State every time
  81         sim_create_inferior() is called.
  82
  83 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
  84
  85         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
  86         on comparisons.
  87         (OP_401): Fix tracing information.
  88
  89 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  90
  91         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
  92         (trace_input_func): Use them.
  93         (trace_input_func): Make sure there is a trailing space after the
  94         instruction.
  95         (OP_6200): Fix tracing info.
  96
  97         * Makefile.in (run): Add dependencies on libbfd.a and
  98         libiberity.a.
  99
 100 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 101
 102         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 103         numbers and function names in debug trace.
 104         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 105         DEBUG_LINE_NUMBER.
 106         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 107         and exit system call trap being executed.
 108
 109         * interp.c (sim_stop_reason): Set exit code correctly for stop
 110         instruction and exit system call trap.
 111
 112         * configure.in (--enable-sim-cflags): Remove trace case.
 113         (--enable-sim-debug): New switch to set the debug values.
 114         * configure: Regenerate.
 115
 116         * simops.c (trace_{input,output}_func): Rename from
 117         trace_{input,output}.
 118         (trace_{input,output}): Call trace_{input,output}_func if
 119         d10v_debug is non-zero.
 120         (SIZE_INSTRUCTION): Cut down to 8.
 121         (SIZE_OPERANDS): Cut down to 18.
 122         (SIZE_LOCATION): New value for size of line number, function name
 123         field.
 124         (init_text_p,text{,_start,_end}): New static variables for
 125         printing line number and function name.
 126         (exec_bfd): New external that run.c sets.
 127         (trace_input_func): Print line number and function name if
 128         available and if desired.
 129         (OP_4E09): Don't print out DBT message.
 130         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 131         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 132
 133 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 134
 135         * interp.c (do_2_short): If the instruction encodes jump->ins,
 136         don't do the second instruction if the jump succeeds.
 137
 138 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 139
 140         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 141         accumulators, PC, and F0/F1/C flags.
 142
 143 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 144
 145         * simops.c (OP_5F00): Fix problems with system calls.
 146
 147 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 148
 149         * simops.c (OP_5F00): Correct tracing information for trap.
 150
 151 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 152
 153         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 154
 155 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 156
 157         * simops.c (trace_output): Properly align accumulator output.
 158         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 159         if shift count is too high.
 160         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 161         (OP_4E09): Make cpfg properly trace the input flags.
 162         (op_types): Add OP_FLAG_OUTPUT.
 163         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 164         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 165         an 8-bit memory reference instruction for tracing purposes.
 166         (OP_201): Addi needs to set the carry.
 167
 168 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 169
 170         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 171         to use signed register values.
 172
 173 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 174
 175         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 176         output.
 177         (_ins_type): New enumeration to specify which container an
 178         instruction is in, and whether it is part of a parallel operation.
 179         (_state): Add ins_type field.
 180         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 181         (ins_type_counters): Counters for the various instruction types.
 182         ({left,right}_nops): Counters for the number of nops in each
 183         container.
 184         (d10v_debug): New variable to indicate whether debugging is turned
 185         on.
 186
 187         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 188         the input and output values can be traced, along with the
 189         instruction type.  Make the -t option enable tracing.
 190         (all functions): Change printf calls to use the printf_filtered
 191         function in the callback table.
 192
 193         * interp.c (_leftright): New enumeration to say whether 2 short
 194         instructions are done left first or right first.
 195         (do_{long,2_short,parallel}): Indicate in the machine state which
 196         type of instruction this is.  Count each of the types of
 197         instructions executed.
 198         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 199         flag is set.
 200         (sim_resume): Pass left/right indication to do_2_short.
 201         (all functions): Change printf calls to use the printf_filtered
 202         function in the callback table.
 203         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 204         sim_resume.
 205         (sim_info): Print out statistics on instructions.
 206         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 207         debugging.
 208         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 209         Only initialize the hash table the first time sim_open is called.
 210
 211         * Makefile.in: Make objects depend on d10v_sim.h.
 212         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 213         CFLAGS does not override host/target defines or SIM_CFLAGS.
 214         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 215         (run): By default, the math library is not needed to be linked
 216         in.
 217         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 218         overridden.
 219         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 220         makes.
 221         ({run,callback}.o): Provide explicit paths to their appropriate
 222         source directories.
 223         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 224         and linking.  Instead of linking in libopcodes.a, just compile
 225         d10v-opc.o directly to handle canadian cross.
 226         (CSEARCH): Add opcodes directory.
 227
 228         * configure.in (--enable-sim-cflags): New switch to allow user to
 229         set the defaults.
 230         (CC_FOR_BUILD): Deal with canadian crosses.
 231         * configure: Regenerate.
 232
 233 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 234
 235         * simops.c: Include correct syscall.h for d10v, not host's.
 236         Fix #ifdef SYS_stat.
 237
 238 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 239
 240         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 241         Add trap 2 to be printf and trap 3 to be putchar.
 242
 243 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 244
 245         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 246         for low-level system calls.
 247
 248 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 249
 250         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 251
 252 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 253
 254         * d10v_sim.h (SEXT32): Added.
 255         * interp.c: Commented out printfs.
 256         * simops.c:  Fixed error in sb and st2w.
 257
 258 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 259
 260         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 261         DSP instructions.  Added modulo addressing.
 262
 263 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 264
 265         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 266
 267 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 268
 269         * d10v_sim.h, simops.c: Snapshot.
 270
 271 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 272
 273         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 274         gencode.c, interp.c, simops.c: Created.
 275