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binutils-gdb/sim/mips/ChangeLog
David Edelsohn 8a7c3105b5 * interp.c (sim_open): New arg `kind'.
1997-04-02 23:39:50 +00:00

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Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
* interp.c (sim_open): New arg `kind'.
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Tue Mar 25 11:38:22 1997 Doug Evans <dje@canuck.cygnus.com>
* interp.c (sim_open): Set optind to 0 before calling getopt.
Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Mon Mar 17 10:52:59 1997 Gavin Koch <gavin@cetus.cygnus.com>
* interp.c : Replace uses of pr_addr with pr_uword64
where the bit length is always 64 independent of SIM_ADDR.
(pr_uword64) : added.
Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
* configure: Re-generate.
Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
* configure: Regenerate to track ../common/aclocal.m4 changes.
Thu Mar 13 12:51:36 1997 Doug Evans <dje@canuck.cygnus.com>
* interp.c (sim_open): New SIM_DESC result. Argument is now
in argv form.
(other sim_*): New SIM_DESC argument.
start-sanitize-r5900
Wed Feb 26 18:32:21 1997 Gavin Koch <gavin@cygnus.com>
* gencode.c (POP_AND,POP_OR,POP_NOR,POP_XOR):
Change values to avoid overloading DOUBLEWORD which is tested
for all insns.
* gencode.c: reinstate "offending code".
end-sanitize-r5900
Mon Feb 24 22:47:14 1997 Dawn Perchik <dawn@cygnus.com>
* interp.c: Fix printing of addresses for non-64-bit targets.
(pr_addr): Add function to print address based on size.
start-sanitize-r5900
* gencode.c: #ifdef out offending code until a permanent fix
can be added. Code is causing build errors for non-5900 mips targets.
end-sanitize-r5900
start-sanitize-r5900
Thu Feb 20 10:40:24 1997 Gavin Koch <gavin@cetus.cygnus.com>
* gencode.c (process_instructions): Correct test for ISA dependent
architecture bits in isa field of MIPS_DECODE.
end-sanitize-r5900
Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com>
* interp.c (simopen): Add support for LSI MiniRISC PMON vectors.
start-sanitize-r5900
Tue Feb 18 17:03:47 1997 Gavin Koch <gavin@cygnus.com>
* gencode.c (MIPS_DECODE): Correct instruction feature flags for
PMADDUW.
end-sanitize-r5900
Thu Feb 13 14:08:30 1997 Ian Lance Taylor <ian@cygnus.com>
* gencode.c (build_mips16_operands): Correct computation of base
address for extended PC relative instruction.
start-sanitize-r5900
Fri Feb 7 11:12:44 1997 Gavin Koch <gavin@cygnus.com>
* Makefile.in, configure, configure.in, gencode.c,
interp.c, support.h: add r5900.
end-sanitize-r5900
Thu Feb 6 17:16:15 1997 Ian Lance Taylor <ian@cygnus.com>
* interp.c (mips16_entry): Add support for floating point cases.
(SignalException): Pass floating point cases to mips16_entry.
(ValueFPR): Don't restrict fmt_single and fmt_word to even
registers.
(StoreFPR): Likewise. Also, don't clobber fpr + 1 for fmt_single
or fmt_word.
(COP_LW): Pass fmt_word rather than fmt_uninterpreted to StoreFPR,
and then set the state to fmt_uninterpreted.
(COP_SW): Temporarily set the state to fmt_word while calling
ValueFPR.
Tue Feb 4 16:48:25 1997 Ian Lance Taylor <ian@cygnus.com>
* gencode.c (build_instruction): The high order may be set in the
comparison flags at any ISA level, not just ISA 4.
Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in (@COMMON_MAKEFILE_FRAG): Use
COMMON_{PRE,POST}_CONFIG_FRAG instead.
* configure.in: sinclude ../common/aclocal.m4.
* configure: Regenerated.
Fri Jan 31 11:11:45 1997 Ian Lance Taylor <ian@cygnus.com>
* configure: Rebuild after change to aclocal.m4.
Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
* configure configure.in Makefile.in: Update to new configure
scheme which is more compatible with WinGDB builds.
* configure.in: Improve comment on how to run autoconf.
* configure: Re-run autoconf to get new ../common/aclocal.m4.
* Makefile.in: Use autoconf substitution to install common
makefile fragment.
Wed Jan 8 12:39:03 1997 Jim Wilson <wilson@cygnus.com>
* gencode.c (build_instruction): Use BigEndianCPU instead of
ByteSwapMem.
Thu Jan 02 22:23:04 1997 Mark Alexander <marka@cygnus.com>
* interp.c (sim_monitor): Make output to stdout visible in
wingdb's I/O log window.
Tue Dec 31 07:04:00 1996 Mark Alexander <marka@cygnus.com>
* support.h: Undo previous change to SIGTRAP
and SIGQUIT values.
Mon Dec 30 17:36:06 1996 Ian Lance Taylor <ian@cygnus.com>
* interp.c (store_word, load_word): New static functions.
(mips16_entry): New static function.
(SignalException): Look for mips16 entry and exit instructions.
(simulate): Use the correct index when setting fpr_state after
doing a pending move.
Sun Dec 29 09:37:18 1996 Mark Alexander <marka@cygnus.com>
* interp.c: Fix byte-swapping code throughout to work on
both little- and big-endian hosts.
Sun Dec 29 09:18:32 1996 Mark Alexander <marka@cygnus.com>
* support.h: Make definitions of SIGTRAP and SIGQUIT consistent
with gdb/config/i386/xm-windows.h.
Fri Dec 27 22:48:51 1996 Mark Alexander <marka@cygnus.com>
* gencode.c (build_instruction): Work around MSVC++ code gen bug
that messes up arithmetic shifts.
Fri Dec 20 11:04:05 1996 Stu Grossman (grossman@critters.cygnus.com)
* support.h: Use _WIN32 instead of __WIN32__. Also add defs for
SIGTRAP and SIGQUIT for _WIN32.
Thu Dec 19 14:07:27 1996 Ian Lance Taylor <ian@cygnus.com>
* gencode.c (build_instruction) [MUL]: Cast operands to word64, to
force a 64 bit multiplication.
(build_instruction) [OR]: In mips16 mode, don't do anything if the
destination register is 0, since that is the default mips16 nop
instruction.
Mon Dec 16 14:59:38 1996 Ian Lance Taylor <ian@cygnus.com>
* gencode.c (MIPS16_DECODE): SWRASP is I8, not RI.
(build_endian_shift): Don't check proc64.
(build_instruction): Always set memval to uword64. Cast op2 to
uword64 when shifting it left in memory instructions. Always use
the same code for stores--don't special case proc64.
* gencode.c (build_mips16_operands): Fix base PC value for PC
relative operands.
(build_instruction): Call JALDELAYSLOT rather than DELAYSLOT for a
jal instruction.
* interp.c (simJALDELAYSLOT): Define.
(JALDELAYSLOT): Define.
(INDELAYSLOT, INJALDELAYSLOT): Define.
(simulate): Clear simJALDELAYSLOT when simDELAYSLOT is cleared.
Tue Dec 24 22:11:20 1996 Angela Marie Thomas (angela@cygnus.com)
* interp.c (sim_open): add flush_cache as a PMON routine
(sim_monitor): handle flush_cache by ignoring it
Wed Dec 11 13:53:51 1996 Jim Wilson <wilson@cygnus.com>
* gencode.c (build_instruction): Use !ByteSwapMem instead of
BigEndianMem.
* interp.c (CONFIG, config_EP_{mask,shift,D,DxxDxx, config_BE): Delete.
(BigEndianMem): Rename to ByteSwapMem and change sense.
(BigEndianCPU, sim_write, LoadMemory, StoreMemory): Change
BigEndianMem references to !ByteSwapMem.
(set_endianness): New function, with prototype.
(sim_open): Call set_endianness.
(sim_info): Use simBE instead of BigEndianMem.
(xfer_direct_word, xfer_direct_long, swap_direct_word,
swap_direct_long, xfer_big_word, xfer_big_long, xfer_little_word,
xfer_little_long, swap_word, swap_long): Delete unnecessary MSC_VER
ifdefs, keeping the prototype declaration.
(swap_word): Rewrite correctly.
(ColdReset): Delete references to CONFIG. Delete endianness related
code; moved to set_endianness.
Tue Dec 10 11:32:04 1996 Jim Wilson <wilson@cygnus.com>
* gencode.c (build_instruction, case JUMP): Truncate PC to 32 bits.
* interp.c (CHECKHILO): Define away.
(simSIGINT): New macro.
(membank_size): Increase from 1MB to 2MB.
(control_c): New function.
(sim_resume): Rename parameter signal to signal_number. Add local
variable prev. Call signal before and after simulate.
(sim_stop_reason): Add simSIGINT support.
(sim_warning, sim_error, dotrace, SignalException): Define as stdarg
functions always.
(sim_warning): Delete call to SignalException. Do call printf_filtered
if logfh is NULL.
(AddressTranslation): Add #ifdef DEBUG around debugging message and
a call to sim_warning.
Wed Nov 27 11:53:50 1996 Ian Lance Taylor <ian@cygnus.com>
* gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD
16 bit instructions.
Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
Add support for mips16 (16 bit MIPS implementation):
* gencode.c (inst_type): Add mips16 instruction encoding types.
(GETDATASIZEINSN): Define.
(MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
mtlo.
(MIPS16_DECODE): New table, for mips16 instructions.
(bitmap_val): New static function.
(struct mips16_op): Define.
(mips16_op_table): New table, for mips16 operands.
(build_mips16_operands): New static function.
(process_instructions): If PC is odd, decode a mips16
instruction. Break out instruction handling into new
build_instruction function.
(build_instruction): New static function, broken out of
process_instructions. Check modifiers rather than flags for SHIFT
bit count and m[ft]{hi,lo} direction.
(usage): Pass program name to fprintf.
(main): Remove unused variable this_option_optind. Change
``*loptarg++'' to ``loptarg++''.
(my_strtoul): Parenthesize && within ||.
* interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
(simulate): If PC is odd, fetch a 16 bit instruction, and
increment PC by 2 rather than 4.
* configure.in: Add case for mips16*-*-*.
* configure: Rebuild.
Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
* interp.c: Allow -t to enable tracing in standalone simulator.
Fix garbage output in trace file and error messages.
Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in: Delete stuff moved to ../common/Make-common.in.
(SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
* configure.in: Simplify using macros in ../common/aclocal.m4.
* configure: Regenerated.
* tconfig.in: New file.
Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
* interp.c: Fix bugs in 64-bit port.
Use ansi function declarations for msvc compiler.
Initialize and test file pointer in trace code.
Prevent duplicate definition of LAST_EMED_REGNUM.
Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
* interp.c (xfer_big_long): Prevent unwanted sign extension.
Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
* interp.c (SignalException): Check for explicit terminating
breakpoint value.
* gencode.c: Pass instruction value through SignalException()
calls for Trap, Breakpoint and Syscall.
Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
* interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
only used on those hosts that provide it.
* configure.in: Add sqrt() to list of functions to be checked for.
* config.in: Re-generated.
* configure: Re-generated.
Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
* gencode.c (process_instructions): Call build_endian_shift when
expanding STORE RIGHT, to fix swr.
* support.h (SIGNEXTEND): If the sign bit is not set, explicitly
clear the high bits.
* interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
Fix float to int conversions to produce signed values.
Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
* gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
(process_instructions): Correct handling of nor instruction.
Correct shift count for 32 bit shift instructions. Correct sign
extension for arithmetic shifts to not shift the number of bits in
the type. Fix 64 bit multiply high word calculation. Fix 32 bit
unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
Fix madd.
* interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
It's OK to have a mult follow a mult. What's not OK is to have a
mult follow an mfhi.
(Convert): Comment out incorrect rounding code.
Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
* interp.c (sim_monitor): Improved monitor printf
simulation. Tidied up simulator warnings, and added "--log" option
for directing warning message output.
* gencode.c: Use sim_warning() rather than WARNING macro.
Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
* Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
getopt1.o, rather than on gencode.c. Link objects together.
Don't link against -liberty.
(gencode.o, getopt.o, getopt1.o): New targets.
* gencode.c: Include <ctype.h> and "ansidecl.h".
(AND): Undefine after including "ansidecl.h".
(ULONG_MAX): Define if not defined.
(OP_*): Don't define macros; now defined in opcode/mips.h.
(main): Call my_strtoul rather than strtoul.
(my_strtoul): New static function.
Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
* gencode.c (process_instructions): Generate word64 and uword64
instead of `long long' and `unsigned long long' data types.
* interp.c: #include sysdep.h to get signals, and define default
for SIGBUS.
* (Convert): Work around for Visual-C++ compiler bug with type
conversion.
* support.h: Make things compile under Visual-C++ by using
__int64 instead of `long long'. Change many refs to long long
into word64/uword64 typedefs.
Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
* Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
(docdir): Removed.
* configure.in (AC_PREREQ): autoconf 2.5 or higher.
(AC_PROG_INSTALL): Added.
(AC_PROG_CC): Moved to before configure.host call.
* configure: Rebuilt.
Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
* configure.in: Define @SIMCONF@ depending on mips target.
* configure: Rebuild.
* Makefile.in (run): Add @SIMCONF@ to control simulator
construction.
* gencode.c: Change LOADDRMASK to 64bit memory model only.
* interp.c: Remove some debugging, provide more detailed error
messages, update memory accesses to use LOADDRMASK.
Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
* configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
stamp-h.
* configure: Rebuild.
* config.in: New file, generated by autoheader.
* interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
and <strings.h> if they exist. Replace #ifdef sun with #ifdef
HAVE_ANINT and HAVE_AINT, as appropriate.
* Makefile.in (run): Use @LIBS@ rather than -lm.
(interp.o): Depend upon config.h.
(Makefile): Just rebuild Makefile.
(clean): Remove stamp-h.
(mostlyclean): Make the same as clean, not as distclean.
(config.h, stamp-h): New targets.
Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
* interp.c (ColdReset): Fix boolean test. Make all simulator
globals static.
Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
* interp.c (xfer_direct_word, xfer_direct_long,
swap_direct_word, swap_direct_long, xfer_big_word,
xfer_big_long, xfer_little_word, xfer_little_long,
swap_word,swap_long): Added.
* interp.c (ColdReset): Provide function indirection to
host<->simulated_target transfer routines.
* interp.c (sim_store_register, sim_fetch_register): Updated to
make use of indirected transfer routines.
Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
* gencode.c (process_instructions): Ensure FP ABS instruction
recognised.
* interp.c (AbsoluteValue): Add routine. Also provide simple PMON
system call support.
Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
* interp.c (sim_do_command): Complain if callback structure not
initialised.
Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
* interp.c (Convert): Provide round-to-nearest and round-to-zero
support for Sun hosts.
* Makefile.in (gencode): Ensure the host compiler and libraries
used for cross-hosted build.
Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
* interp.c, gencode.c: Some more (TODO) tidying.
Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
* gencode.c, interp.c: Replaced explicit long long references with
WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
* support.h (SET64LO, SET64HI): Macros added.
Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
* configure: Regenerate with autoconf 2.7.
Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
* interp.c (LoadMemory): Enclose text following #endif in /* */.
* support.h: Remove superfluous "1" from #if.
* support.h (CHECKSIM): Remove stray 'a' at end of line.
Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
* interp.c (StoreFPR): Control UndefinedResult() call on
WARN_RESULT manifest.
Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
* gencode.c: Tidied instruction decoding, and added FP instruction
support.
* interp.c: Added dineroIII, and BSD profiling support. Also
run-time FP handling.
Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
* Changelog, Makefile.in, README.Cygnus, configure, configure.in,
gencode.c, interp.c, support.h: created.
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