sim/v850/ChangeLog

   1 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
   2
   3         * configure: Regenerate to track ../common/aclocal.m4 changes.
   4
   5 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
   6
   7         * interp.c (sim_open): New SIM_DESC result.  Argument is now
   8         in argv form.
   9         (other sim_*): New SIM_DESC argument.
  10
  11 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
  12
  13         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
  14         COMMON_{PRE,POST}_CONFIG_FRAG instead.
  15         * configure.in: sinclude ../common/aclocal.m4.
  16         * configure: Regenerated.
  17
  18 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
  19
  20         * configure configure.in Makefile.in:  Update to new configure
  21         scheme which is more compatible with WinGDB builds.
  22         * configure.in:  Improve comment on how to run autoconf.
  23         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
  24         * Makefile.in:  Use autoconf substitution to install common
  25         makefile fragment.
  26
  27 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
  28
  29         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
  30         not zero extend.
  31
  32 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
  33
  34         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
  35         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
  36         SYS_gettimeofday and SYS_utime from MSVC.
  37
  38 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  39
  40         * simops.c (OP_10007E0): Know that kill encodes the signal number
  41         via: 0xdead0000 | signal and turn it back into a signal.
  42
  43 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  44
  45         * v850_sim.h (SIG_V850_EXIT): Define as -1.
  46
  47         * interp.c (sim_open): Cast calloc function.
  48         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
  49         program exited with the appropriate exit code.
  50         (sim_set_interrupt): Declare buildargv.
  51
  52         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
  53         type correct and work on big endian systems.
  54
  55 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
  56
  57         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
  58         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
  59         * configure.in: Simplify using macros in ../common/aclocal.m4.
  60         Call AC_CHECK_HEADERS(unistd.h).
  61         * configure: Regenerated.
  62         * config.in: New file.
  63         * simops.c: #include "config.h".  #include <unistd.h> if present.
  64
  65 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
  66
  67         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
  68         (EIPC, etc): New macros for system registers.
  69         * simops.c, interp.c: Use everywhere.
  70
  71         * interp.c: Add support for interrupts issued by interrupt
  72         generators, either PC- or time-based.  Controlled by simulator
  73         command "sim interrupt".
  74
  75         * interp.c: Add support for variable-size allocation of memory,
  76         via simulator command "sim memory-map".
  77         (map): Issue SIGSEGV for references to invalid memory regions.
  78
  79 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
  80
  81         * simops.c: Include <sys/time.h> for struct timeval and
  82         struct timezone.
  83
  84 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
  85
  86         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
  87
  88         * simops.c (OP_10007E0): Handle SYS_time.
  89
  90 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
  91
  92         * simops.c: Include <sys/stat.h>.
  93         (OP_10007E0): Handle SYS_stat.
  94
  95 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
  96
  97         * simops.c (OP_10007E0): Don't declare errno.
  98
  99         * simops.c (OP_500): Mask off low bit in displacement
 100         for sld.w.
 101         (OP_501): Similarly.
 102
 103         * simops.c (OP_500): Fix displacement handling for sld.w.
 104         (OP_501): Similarly for sst.w.
 105
 106         * simops.c (trace_input): Remove all references to SEXT7.
 107         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 108         is zero extended for sst/sld instructions.
 109         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 110         was incorrect anyway).
 111
 112 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 113
 114         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 115         autoconf.
 116         * gencode.c (write_opcodes):  Pad operands field to account for
 117         MSVC braindamage.
 118         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 119         doesn't support it.  (Why is this here in the first place?!?)
 120         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 121         Change number of operands in struct simops from 9 to 6.  Define
 122         SIGTRAP and SIGQUIT for MSVC.
 123
 124 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 125
 126         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 127         * (map):  Add support for external mem in the 1->2 meg range.
 128         Also, abort() when memory access is way out of bounds.  (Better to
 129         die than to give wrong result.  (This will be fixed later.))
 130         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 131
 132 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 133
 134         * simops.c (trace_input): Swapped order of operands for output
 135         output of OP_IMM_REG.  Changed the fetching of the operands for
 136         OP_LOAD32, and OP_STORE32 to work like op-function.
 137
 138 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 139
 140         * interp.c:  Move includes of remote-sim.h and callback.h to
 141         v850-sim.h.
 142         * (lookup_hash): Add PC to report of hash failure.
 143         * (map load_mem store_mem):  New memory subsystem.  Models V851
 144         memory system.
 145         * (sim_write sim_read):  Use new memory subsystem.
 146         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 147         to make user-defined traps work right.
 148         * simops.c (OP_*):  Use new memory subsystem.
 149         * (OP_14007E0 (reti)):  Implement reti.
 150         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 151         trap 31.  Use new memory subsystem.
 152         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 153         load_mem in RLW macro.
 154
 155 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 156
 157         * gencode.c (write_opcodes):  Output hex values for opcode mask
 158         and patterns.
 159         * interp.c (sim_resume):  Save and restore PC from the appropriate
 160         register.
 161         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 162         with reading and writing registers.
 163         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 164
 165 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 166
 167         * simops.c (trace_input): Fix thinko.
 168
 169 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 170
 171         * simops.c (exec_bfd): Rename from sim_bfd.
 172         (trace_input): Ditto.
 173
 174 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 175
 176         * simops.c (trace_input): Use find_nearest_line to print line
 177         number, function name or file name of PC.
 178
 179 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 180
 181         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 182         doing hardwired shifts.
 183
 184         * configure.in (--enable-sim-cflags): Add switch to add additional
 185         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 186         tracing.
 187         * configure: Regenerate.
 188
 189         * Makefile.in: Don't require a VPATH capable make if configuring
 190         in the same directory.  Don't use CFLAGS for configuration flags.
 191         Add flags from --enable-sim-cflags.  Support canadian cross
 192         builds.  Rebuild whole simulator if include files change.
 193
 194         * interp.c (v850_debug): New global for debugging.
 195         (lookup_hash,sim_size,sim_set_profile): Use
 196         printf_filtered callback, instead of calling printf directly.
 197         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 198
 199         * v850_sim.h: Use limits.h to set the various sized types.
 200         (SEXT{5,7,16,22}): New macros.
 201
 202 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 203
 204         * interp.c (hash): Make this an inline function
 205         when compiling with GCC.  Simplify.
 206         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 207         some #if 0'd code.  Enable more emulated syscalls.
 208
 209 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 210
 211         * interp.c: Fix sign bit handling for add and sub instructions.
 212
 213 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 214
 215         * gencode.c: Fix various indention & style problems.
 216         Remove test code.  Remove #if 0 code.
 217         * interp.c: Provide prototypes for all static functions.
 218         Fix minor indention problems.
 219         (sim_open, sim_resume): Remove unused variables.
 220         (sim_read): Return type is "int".
 221         * simops.c: Remove unused variables.
 222         (divh): Make result of divide-by-zero zero.
 223         (setf): Initialize result to keep compiler quiet.
 224         (sar instructions): These just clear the overflow bit.
 225         * v850_sim.h: Provide prototypes for put_byte, put_half
 226         and put_word.
 227
 228         * interp.c: OP should be an array of 32bit operands!
 229         (v850_callback): Declare.
 230         (do_format_5): Fix extraction of OP[0].
 231         (sim_size): Remove debugging printf.
 232         (sim_set_callbacks): Do something useful.
 233         (sim_stop_reason): Gross hacks to get c-torture running.
 234         * simops.c: Simplify code for computing targets of bCC
 235         insns.   Invert 's' bit if 'ov' bit is set for some
 236         instructions.  Fix 'cy' bit handling for numerous
 237         instructions.  Make the simulator stop when a halt
 238         instruction is encountered.  Very crude support for
 239         emulated syscalls (trap 0).
 240         * v850_sim.h: Include "callback.h" and declare
 241         v850_callback.  Items in the operand array are 32bits.
 242
 243 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 244
 245         * interp.c (sim_resume): Fix code to check for a format 3
 246         opcode.
 247         * simops.c: bCC insns only argument is a constant, not a
 248         register value (duh...)
 249
 250 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 251
 252         * simops.c: Fix "not1" and "set1".
 253
 254         * simops.c: Don't forget to initialize temp for
 255         "ld.h" and "ld.w"
 256
 257         * interp.c: Remove various debugging printfs.
 258
 259         * simops.c: Fix satadd, satsub boundary case handling.
 260
 261         * interp.c (hash): Fix.
 262         * interp.c (do_format_8): Get operands correctly and
 263         call the target function.
 264         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 265
 266 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 267
 268         * interp.c (do_format_4): Get operands correctly and
 269         call the target function.
 270         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 271         "sst.h", and "sst.w".
 272
 273         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 274         accordingly.  Remove many unused definitions.
 275         * interp.c: The V850 doesn't have split I&D spaces.  Change
 276         accordingly.
 277         (get_longlong, get_longword, get_word): Deleted.
 278         (write_longlong, write_longword, write_word): Deleted.
 279         (get_operands): Deleted.
 280         (get_byte, get_half, get_word): New functions.
 281         (put_byte, put_half, put_word): New functions.
 282         * simops.c: Remove unused functions.  Rough cut at
 283         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 284
 285         * v850_sim.h (struct _state): Remove "psw" field.  Add
 286         "sregs" field.
 287         (PSW): Remove bogus definition.
 288         * simops.c: Change condition code handling to use the psw
 289         register within the sregs array.  Handle "ldsr" and "stsr".
 290
 291         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
 292
 293         * interp.c (do_format_5): Get operands correctly and
 294         call the target function.
 295         (sim_resume): Don't do a PC update for format 5 instructions.
 296         * simops.c: Handle "jarl" and "jmp" instructions.
 297
 298         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
 299         "di", and "ei" instructions correctly.
 300
 301         * interp.c (do_format_3): Get operands correctly and call
 302         the target function.
 303         * simops.c: Handle bCC instructions.
 304
 305         * simops.c: Add condition code handling to shift insns.
 306         Fix minor typos in condition code handling for other insns.
 307
 308         * Makefile.in: Fix typo.
 309         * simops.c: Add condition code handling to "sub" "subr" and
 310         "divh" instructions.
 311
 312         * interp.c (hash): Update to be more accurate.
 313         (lookup_hash): Call hash rather than computing the hash
 314         code here.
 315         (do_format_1_2): Handle format 1 and format 2 instructions.
 316         Get operands correctly and call the target function.
 317         (do_format_6): Get operands correctly and call the target
 318         function.
 319         (do_formats_9_10): Rough cut so shift ops will work.
 320         (sim_resume): Tweak to deal with format 1 and format 2
 321         handling in a single funtion.  Don't update the PC
 322         for format 3 insns.  Fix typos.
 323         * simops.c: Slightly reorganize.  Add condition code handling
 324         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
 325         and "not" instructions.
 326         * v850_sim.h (reg_t): Registers are 32bits.
 327         (_state): The V850 has 32 general registers.  Add a 32bit
 328         psw and pc register too.  Add accessor macros
 329
 330         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
 331         changes from the d10v simulator.
 332
 333         * simops.c: Add shift support.
 334
 335         * simops.c: Add multiply & divide support.  Abort for system
 336         instructions.
 337
 338         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
 339         and subr.  No condition codes yet.
 340
 341 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
 342
 343         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
 344         gencode.c, interp.c, simops.c: Created.
 345