232 lines
8.8 KiB
Text
232 lines
8.8 KiB
Text
Tue Nov 26 11:53:12 1996 Ian Lance Taylor <ian@cygnus.com>
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Add support for mips16 (16 bit MIPS implementation):
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* gencode.c (inst_type): Add mips16 instruction encoding types.
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(GETDATASIZEINSN): Define.
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(MIPS_DECODE): Add REG flag to dsllv, dsrav, and dsrlv. Add
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jalx. Add LEFT flag to mfhi and mflo. Add RIGHT flag to mthi and
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mtlo.
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(MIPS16_DECODE): New table, for mips16 instructions.
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(bitmap_val): New static function.
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(struct mips16_op): Define.
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(mips16_op_table): New table, for mips16 operands.
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(build_mips16_operands): New static function.
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(process_instructions): If PC is odd, decode a mips16
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instruction. Break out instruction handling into new
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build_instruction function.
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(build_instruction): New static function, broken out of
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process_instructions. Check modifiers rather than flags for SHIFT
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bit count and m[ft]{hi,lo} direction.
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(usage): Pass program name to fprintf.
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(main): Remove unused variable this_option_optind. Change
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``*loptarg++'' to ``loptarg++''.
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(my_strtoul): Parenthesize && within ||.
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* interp.c (LoadMemory): Accept a halfword pAddr if vAddr is odd.
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(simulate): If PC is odd, fetch a 16 bit instruction, and
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increment PC by 2 rather than 4.
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* configure.in: Add case for mips16*-*-*.
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* configure: Rebuild.
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Fri Nov 22 08:49:36 1996 Mark Alexander <marka@cygnus.com>
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* interp.c: Allow -t to enable tracing in standalone simulator.
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Fix garbage output in trace file and error messages.
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Wed Nov 20 01:54:37 1996 Doug Evans <dje@canuck.cygnus.com>
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* Makefile.in: Delete stuff moved to ../common/Make-common.in.
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(SIM_{OBJS,EXTRA_CFLAGS,EXTRA_CLEAN}): Define.
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* configure.in: Simplify using macros in ../common/aclocal.m4.
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* configure: Regenerated.
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* tconfig.in: New file.
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Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
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* interp.c: Fix bugs in 64-bit port.
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Use ansi function declarations for msvc compiler.
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Initialize and test file pointer in trace code.
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Prevent duplicate definition of LAST_EMED_REGNUM.
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Tue Oct 15 11:07:06 1996 Mark Alexander <marka@cygnus.com>
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* interp.c (xfer_big_long): Prevent unwanted sign extension.
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Thu Sep 26 17:35:00 1996 James G. Smith <jsmith@cygnus.co.uk>
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* interp.c (SignalException): Check for explicit terminating
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breakpoint value.
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* gencode.c: Pass instruction value through SignalException()
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calls for Trap, Breakpoint and Syscall.
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Thu Sep 26 11:35:17 1996 James G. Smith <jsmith@cygnus.co.uk>
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* interp.c (SquareRoot): Add HAVE_SQRT check to ensure sqrt() is
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only used on those hosts that provide it.
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* configure.in: Add sqrt() to list of functions to be checked for.
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* config.in: Re-generated.
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* configure: Re-generated.
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Fri Sep 20 15:47:12 1996 Ian Lance Taylor <ian@cygnus.com>
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* gencode.c (process_instructions): Call build_endian_shift when
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expanding STORE RIGHT, to fix swr.
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* support.h (SIGNEXTEND): If the sign bit is not set, explicitly
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clear the high bits.
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* interp.c (Convert): Fix fmt_single to fmt_long to not truncate.
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Fix float to int conversions to produce signed values.
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Thu Sep 19 15:34:17 1996 Ian Lance Taylor <ian@cygnus.com>
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* gencode.c (MIPS_DECODE): Set UNSIGNED for multu instruction.
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(process_instructions): Correct handling of nor instruction.
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Correct shift count for 32 bit shift instructions. Correct sign
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extension for arithmetic shifts to not shift the number of bits in
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the type. Fix 64 bit multiply high word calculation. Fix 32 bit
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unsigned multiply. Fix ldxc1 and friends to use coprocessor 1.
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Fix madd.
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* interp.c (CHECKHILO): Don't set HIACCESS, LOACCESS, or HLPC.
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It's OK to have a mult follow a mult. What's not OK is to have a
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mult follow an mfhi.
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(Convert): Comment out incorrect rounding code.
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Mon Sep 16 11:38:16 1996 James G. Smith <jsmith@cygnus.co.uk>
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* interp.c (sim_monitor): Improved monitor printf
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simulation. Tidied up simulator warnings, and added "--log" option
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for directing warning message output.
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* gencode.c: Use sim_warning() rather than WARNING macro.
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Thu Aug 22 15:03:12 1996 Ian Lance Taylor <ian@cygnus.com>
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* Makefile.in (gencode): Depend upon gencode.o, getopt.o, and
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getopt1.o, rather than on gencode.c. Link objects together.
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Don't link against -liberty.
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(gencode.o, getopt.o, getopt1.o): New targets.
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* gencode.c: Include <ctype.h> and "ansidecl.h".
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(AND): Undefine after including "ansidecl.h".
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(ULONG_MAX): Define if not defined.
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(OP_*): Don't define macros; now defined in opcode/mips.h.
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(main): Call my_strtoul rather than strtoul.
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(my_strtoul): New static function.
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Wed Jul 17 18:12:38 1996 Stu Grossman (grossman@critters.cygnus.com)
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* gencode.c (process_instructions): Generate word64 and uword64
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instead of `long long' and `unsigned long long' data types.
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* interp.c: #include sysdep.h to get signals, and define default
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for SIGBUS.
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* (Convert): Work around for Visual-C++ compiler bug with type
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conversion.
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* support.h: Make things compile under Visual-C++ by using
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__int64 instead of `long long'. Change many refs to long long
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into word64/uword64 typedefs.
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Wed Jun 26 12:24:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
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* Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
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INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
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(docdir): Removed.
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* configure.in (AC_PREREQ): autoconf 2.5 or higher.
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(AC_PROG_INSTALL): Added.
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(AC_PROG_CC): Moved to before configure.host call.
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* configure: Rebuilt.
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Wed Jun 5 08:28:13 1996 James G. Smith <jsmith@cygnus.co.uk>
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* configure.in: Define @SIMCONF@ depending on mips target.
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* configure: Rebuild.
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* Makefile.in (run): Add @SIMCONF@ to control simulator
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construction.
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* gencode.c: Change LOADDRMASK to 64bit memory model only.
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* interp.c: Remove some debugging, provide more detailed error
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messages, update memory accesses to use LOADDRMASK.
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Mon Jun 3 11:55:03 1996 Ian Lance Taylor <ian@cygnus.com>
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* configure.in: Add calls to AC_CONFIG_HEADER, AC_CHECK_HEADERS,
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AC_CHECK_LIB, and AC_CHECK_FUNCS. Change AC_OUTPUT to set
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stamp-h.
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* configure: Rebuild.
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* config.in: New file, generated by autoheader.
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* interp.c: Include "config.h". Include <stdlib.h>, <string.h>,
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and <strings.h> if they exist. Replace #ifdef sun with #ifdef
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HAVE_ANINT and HAVE_AINT, as appropriate.
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* Makefile.in (run): Use @LIBS@ rather than -lm.
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(interp.o): Depend upon config.h.
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(Makefile): Just rebuild Makefile.
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(clean): Remove stamp-h.
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(mostlyclean): Make the same as clean, not as distclean.
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(config.h, stamp-h): New targets.
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Fri May 10 00:41:17 1996 James G. Smith <jsmith@cygnus.co.uk>
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* interp.c (ColdReset): Fix boolean test. Make all simulator
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globals static.
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Wed May 8 15:12:58 1996 James G. Smith <jsmith@cygnus.co.uk>
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* interp.c (xfer_direct_word, xfer_direct_long,
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swap_direct_word, swap_direct_long, xfer_big_word,
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xfer_big_long, xfer_little_word, xfer_little_long,
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swap_word,swap_long): Added.
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* interp.c (ColdReset): Provide function indirection to
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host<->simulated_target transfer routines.
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* interp.c (sim_store_register, sim_fetch_register): Updated to
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make use of indirected transfer routines.
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Fri Apr 19 15:48:24 1996 James G. Smith <jsmith@cygnus.co.uk>
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* gencode.c (process_instructions): Ensure FP ABS instruction
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recognised.
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* interp.c (AbsoluteValue): Add routine. Also provide simple PMON
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system call support.
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Wed Apr 10 09:51:38 1996 James G. Smith <jsmith@cygnus.co.uk>
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* interp.c (sim_do_command): Complain if callback structure not
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initialised.
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Thu Mar 28 13:50:51 1996 James G. Smith <jsmith@cygnus.co.uk>
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* interp.c (Convert): Provide round-to-nearest and round-to-zero
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support for Sun hosts.
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* Makefile.in (gencode): Ensure the host compiler and libraries
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used for cross-hosted build.
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Wed Mar 27 14:42:12 1996 James G. Smith <jsmith@cygnus.co.uk>
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* interp.c, gencode.c: Some more (TODO) tidying.
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Thu Mar 7 11:19:33 1996 James G. Smith <jsmith@cygnus.co.uk>
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* gencode.c, interp.c: Replaced explicit long long references with
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WORD64HI, WORD64LO, SET64HI and SET64LO macro calls.
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* support.h (SET64LO, SET64HI): Macros added.
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Wed Feb 21 12:16:21 1996 Ian Lance Taylor <ian@cygnus.com>
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* configure: Regenerate with autoconf 2.7.
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Tue Jan 30 08:48:18 1996 Fred Fish <fnf@cygnus.com>
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* interp.c (LoadMemory): Enclose text following #endif in /* */.
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* support.h: Remove superfluous "1" from #if.
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* support.h (CHECKSIM): Remove stray 'a' at end of line.
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Mon Dec 4 11:44:40 1995 Jamie Smith <jsmith@cygnus.com>
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* interp.c (StoreFPR): Control UndefinedResult() call on
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WARN_RESULT manifest.
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Fri Dec 1 16:37:19 1995 James G. Smith <jsmith@cygnus.co.uk>
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* gencode.c: Tidied instruction decoding, and added FP instruction
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support.
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* interp.c: Added dineroIII, and BSD profiling support. Also
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run-time FP handling.
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Sun Oct 22 00:57:18 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
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* Changelog, Makefile.in, README.Cygnus, configure, configure.in,
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gencode.c, interp.c, support.h: created.
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