Sun Nov 23 01:45:20 1997 Andrew Cagney * sim-main.h (sim-fpu.h): Include. * interp.c (convert, SquareRoot, Recip, Divide, Multiply, Sub, Add, Negate, AbsoluteValue, Equal, Less, Infinity, NaN): Rewrite using host independant sim_fpu module. Thu Nov 20 19:56:22 1997 Andrew Cagney * interp.c (signal_exception): Report internal errors with SIGABRT not SIGQUIT. * sim-main.h (C0_CONFIG): New register. (signal.h): No longer include. * interp.c (decode_coproc): Allow access C0_CONFIG to register. Tue Nov 18 15:33:48 1997 Doug Evans * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS). Fri Nov 14 11:56:48 1997 Andrew Cagney * mips.igen: Tag vr5000 instructions. (ANDI): Was missing mipsIV model, fix assembler syntax. (do_c_cond_fmt): New function. (C.cond.fmt): Handle mips I-III which do not support CC field separatly. (bc1): Handle mips IV which do not have a delaed FCC separatly. (SDR): Mask paddr when BigEndianMem, not the converse as specified in IV3.2 spec. (DMULT, DMULTU): Force use of hosts 64bit multiplication. Handle vr5000 which saves LO in a GPR separatly. * configure.in (enable-sim-igen): For vr5000, select vr5000 specific instructions. * configure: Re-generate. Wed Nov 12 14:42:52 1997 Andrew Cagney * Makefile.in (SIM_OBJS): Add sim-fpu module. * interp.c (store_fpr), sim-main.h: Add separate fmt_uninterpreted_32 and fmt_uninterpreted_64 bit cases to switch. Convert to fmt_formatted, * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Define, * mips.igen (SWR): Mask paddr when BigEndianMem, not the converse as specified in IV3.2 spec. (MTC1, DMTC1): Call StoreFPR to store the GPR in the FPR. Tue Nov 11 12:38:23 1997 Andrew Cagney * mips.igen: Delay slot branches add OFFSET to NIA not CIA. (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement. (start-sanitize-r5900): (LWXC1, SWXC1): Delete from r5900 instruction set. (end-sanitize-r5900): (MTC1, MFC1, DMTC1, DMFC1, CFC1, CTC1): Implement separate non PENDING_FILL versions of instructions. Simplify. (X): New function. (MULT, MULTU): Implement separate RD==0 and RD!=0 versions of instructions. (BEQZ, ..., SLT, SLTI, TLT, TLE, TLI, ...): Explicitly cast GPR to a signed value. (MTHI, MFHI): Disable code checking HI-LO. * sim-main.h (dotrace,tracefh), interp.c: Make dotrace & tracefh global. (NULLIFY_NEXT_INSTRUCTION): Call dotrace. Thu Nov 6 16:36:35 1997 Andrew Cagney * gencode.c (build_mips16_operands): Replace IPC with cia. * interp.c (sim_monitor, signal_exception, cache_op, store_fpr, value_fpr, cop_ld, cop_lw, cop_sw, cop_sd, decode_coproc): Replace IPC to `cia'. (UndefinedResult): Replace function with macro/function combination. (sim_engine_run): Don't save PC in IPC. * sim-main.h (IPC): Delete. start-sanitize-vr5400 * vr5400.igen (vr): Add missing cia argument to value_fpr. (do_select): Rename function select. end-sanitize-vr5400 * interp.c (signal_exception, store_word, load_word, address_translation, load_memory, store_memory, cache_op, prefetch, sync_operation, ifetch, value_fpr, store_fpr, convert, cop_lw, cop_ld, cop_sw, cop_sd, decode_coproc, sim_monitor): Add current instruction address - cia - argument. (sim_read, sim_write): Call address_translation directly. (sim_engine_run): Rename variable vaddr to cia. (signal_exception): Pass cia to sim_monitor * sim-main.h (SignalException, LoadWord, StoreWord, CacheOp, Prefetch, SyncOperation, ValueFPR, StoreFPR, Convert, COP_LW, COP_LD, COP_SW, COP_SD, DecodeCoproc): Update. * sim-main.h (SignalExceptionSimulatorFault): Delete definition. * interp.c (sim_open): Replace SignalExceptionSimulatorFault with SIM_ASSERT. * interp.c (signal_exception): Pass restart address to sim_engine_restart. * Makefile.in (semantics.o, engine.o, support.o, itable.o, idecode.o): Add dependency. * sim-main.h (SIM_ENGINE_HALT_HOOK, SIM_ENGINE_RESUME_HOOK): Delete definitions (DELAY_SLOT): Update NIA not PC with branch address. (NULLIFY_NEXT_INSTRUCTION): Set NIA to instruction after next. * mips.igen: Use CIA not PC in branch calculations. (illegal): Call SignalException. (BEQ, ADDIU): Fix assembler. Wed Nov 5 12:19:56 1997 Andrew Cagney * m16.igen (JALX): Was missing. * configure.in (enable-sim-igen): New configuration option. * configure: Re-generate. * sim-main.h (MAX_INSNS, INSN_NAME): Define. * interp.c (load_memory, store_memory): Delete parameter RAW. (sim_read, sim_write): Use sim_core_{read,write}_buffer directly bypassing {load,store}_memory. * sim-main.h (ByteSwapMem): Delete definition. * Makefile.in (SIM_OBJS): Add sim-memopt module. * interp.c (sim_do_command, sim_commands): Delete mips specific commands. Handled by module sim-options. * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module. (WITH_MODULO_MEMORY): Define. * interp.c (sim_info): Delete code printing memory size. * interp.c (mips_size): Nee sim_size, delete function. (power2): Delete. (monitor, monitor_base, monitor_size): Delete global variables. (sim_open, sim_close): Delete code creating monitor and other memory regions. Use sim-memopts module, via sim_do_commandf, to manage memory regions. (load_memory, store_memory): Use sim-core for memory model. * interp.c (address_translation): Delete all memory map code except line forcing 32 bit addresses. Wed Nov 5 11:21:11 1997 Andrew Cagney * sim-main.h (WITH_TRACE): Delete definition. Enables common trace options. * interp.c (logfh, logfile): Delete globals. (sim_open, sim_close): Delete code opening & closing log file. (mips_option_handler): Delete -l and -n options. (OPTION mips_options): Ditto. * interp.c (OPTION mips_options): Rename option trace to dinero. (mips_option_handler): Update. Wed Nov 5 09:35:59 1997 Andrew Cagney * interp.c (fetch_str): New function. (sim_monitor): Rewrite using sim_read & sim_write. (sim_open): Check magic number. (sim_open): Write monitor vectors into memory using sim_write. (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define. (sim_read, sim_write): Simplify - transfer data one byte at a time. (load_memory, store_memory): Clarify meaning of parameter RAW. * sim-main.h (isHOST): Defete definition. (isTARGET): Mark as depreciated. (address_translation): Delete parameter HOST. * interp.c (address_translation): Delete parameter HOST. start-sanitize-tx49 Wed Oct 29 14:21:32 1997 Gavin Koch * gencode.c: Add tx49 configury and insns. * configure.in: Add tx49 configury. * configure: Update. end-sanitize-tx49 Wed Oct 29 11:13:56 1997 Andrew Cagney * mips.igen: * Makefile.in (IGEN_INCLUDE): Files included by mips.igen. (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE. Tue Oct 28 11:06:47 1997 Andrew Cagney * mips.igen: Add model filter field to records. Mon Oct 27 17:53:59 1997 Andrew Cagney * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0. interp.c (sim_engine_run): Do not compile function sim_engine_run when WITH_IGEN == 1. * configure.in (sim_igen_flags, sim_m16_flags): Set according to target architecture. Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to igen. Replace with configuration variables sim_igen_flags / sim_m16_flags. start-sanitize-r5900 * r5900.igen: New file. Copy r5900 insns here. end-sanitize-r5900 start-sanitize-vr5400 * vr5400.igen: New file. end-sanitize-v5400 * m16.igen: New file. Copy mips16 insns here. * mips.igen: From here. Mon Oct 27 13:53:59 1997 Andrew Cagney start-sanitize-vr5400 * mips.igen: Tag all mipsIV instructions with vr5400 model. * configure.in: Add mips64vr5400 target. * configure: Re-generate. end-sanitize-vr5400 * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ to top. (tmp-igen, tmp-m16): Pass -I srcdir to igen. Sat Oct 25 16:51:40 1997 Gavin Koch * gencode.c (build_instruction): Follow sim_write's lead in using BigEndianMem instead of !ByteSwapMem. Fri Oct 24 17:41:49 1997 Andrew Cagney * configure.in (sim_gen): Dependent on target, select type of generator. Always select old style generator. configure: Re-generate. Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New targets. (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16, SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN, IGEN_TRACE, IGEN_INSN, IGEN_DC): Define (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member SIM_@sim_gen@_*, set by autoconf. Wed Oct 22 12:52:06 1997 Andrew Cagney * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define. * interp.c (ColdReset): Remove #ifdef HASFPU, check CURRENT_FLOATING_POINT instead. * interp.c (ifetch32): New function. Fetch 32 bit instruction. (address_translation): Raise exception InstructionFetch when translation fails and isINSTRUCTION. * interp.c (sim_open, sim_write, sim_monitor, store_word, sim_engine_run): Change type of of vaddr and paddr to address_word. (address_translation, prefetch, load_memory, store_memory, cache_op): Change type of vAddr and pAddr to address_word. * gencode.c (build_instruction): Change type of vaddr and paddr to address_word. Mon Oct 20 15:29:04 1997 Andrew Cagney * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT macro to obtain result of ALU op. Tue Oct 21 17:39:14 1997 Andrew Cagney * interp.c (sim_info): Call profile_print. Mon Oct 20 13:31:20 1997 Andrew Cagney * Makefile.in (SIM_OBJS): Add sim-profile.o module. * sim-main.h (WITH_PROFILE): Do not define, defined in common/sim-config.h. Use sim-profile module. (simPROFILE): Delete defintion. * interp.c (PROFILE): Delete definition. (mips_option_handler): Delete 'p', 'y' and 'x' profile options. (sim_close): Delete code writing profile histogram. (mips_set_profile, mips_set_profile_size, writeout16, writeout32): Delete. (sim_engine_run): Delete code profiling the PC. Mon Oct 20 13:31:20 1997 Andrew Cagney * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word. * interp.c (sim_monitor): Make register pointers of type unsigned_word*. * sim-main.h: Make registers of type unsigned_word not signed_word. Thu Oct 16 10:31:39 1997 Andrew Cagney start-sanitize-r5900 * sim-main.h (BYTES_IN_MMI_REGS, ..., SUB_REG_FETCH, ..., GPR_SB, ...): Move to sim-main.h end-sanitize-r5900 * interp.c (sync_operation): Rename from SyncOperation, make global, add SD argument. (prefetch): Rename from Prefetch, make global, add SD argument. (decode_coproc): Make global. * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define. * gencode.c (build_instruction): Generate DecodeCoproc not decode_coproc calls. * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h (SizeFGR): Move to sim-main.h (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT, simSIGINT, simJALDELAYSLOT): Move to sim-main.h (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to sim-main.h. (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF, FP_RM_TOMINF, GETRM): Move to sim-main.h. (Uncached, CachedNoncoherent, CachedCoherent, Cached, isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h. (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian, BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise exception. (sim-alu.h): Include. (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define. (sim_cia): Typedef to instruction_address. Thu Oct 16 10:31:41 1997 Andrew Cagney * Makefile.in (interp.o): Rename generated file engine.c to oengine.c. * interp.c: Update. Thu Oct 16 10:31:40 1997 Andrew Cagney * gencode.c (build_instruction): Use FPR_STATE not fpr_state. Thu Oct 16 10:31:39 1997 Andrew Cagney * gencode.c (build_instruction): For "FPSQRT", output correct number of arguments to Recip. Tue Oct 14 17:38:18 1997 Andrew Cagney * Makefile.in (interp.o): Depends on sim-main.h * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers. * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state, ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields. (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*, STATE, DSSTATE): Define (GPR, FGRIDX, ..): Define. * interp.c (registers, register_widths, fpr_state, ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate): Delete globals. (GPR, FGRIDX, ...): Delete macros. * interp.c: Update names to match defines from sim-main.h Tue Oct 14 15:11:45 1997 Andrew Cagney * interp.c (sim_monitor): Add SD argument. (sim_warning): Delete. Replace calls with calls to sim_io_eprintf. (sim_error): Delete. Replace calls with sim_io_error. (open_trace, writeout32, writeout16, getnum): Add SD argument. (mips_set_profile): Rename from sim_set_profile. Add SD argument. (mips_set_profile_size): Rename from sim_set_profile_size. Add SD argument. (mips_size): Rename from sim_size. Add SD argument. * interp.c (simulator): Delete global variable. (callback): Delete global variable. (mips_option_handler, sim_open, sim_write, sim_read, sim_store_register, sim_fetch_register, sim_info, sim_do_command, sim_size,sim_monitor): Use sim_io_* not callback->*. (sim_open): ZALLOC simulator struct. (PROFILE): Do not define. Tue Oct 14 13:35:48 1997 Andrew Cagney * interp.c (sim_open), support.h: Replace CHECKSIM macro found in support.h with corresponding code. * sim-main.h (word64, uword64), support.h: Move definition to sim-main.h. (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto. * support.h: Delete * Makefile.in: Update dependencies * interp.c: Do not include. Tue Oct 14 13:35:48 1997 Andrew Cagney * interp.c (address_translation, load_memory, store_memory, cache_op): Rename to from AddressTranslation et.al., make global, add SD argument * sim-main.h (AddressTranslation, LoadMemory, StoreMemory, CacheOp): Define. * interp.c (SignalException): Rename to signal_exception, make global. * interp.c (Interrupt, ...): Move definitions to sim-main.h. * sim-main.h (SignalException, SignalExceptionInterrupt, SignalExceptionInstructionFetch, SignalExceptionAddressStore, SignalExceptionAddressLoad, SignalExceptionSimulatorFault, SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable): Define. * interp.c, support.h: Use. Tue Oct 14 13:19:20 1997 Andrew Cagney * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename to value_fpr / store_fpr. Add SD argument. (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub, Multiply, Divide, Recip, SquareRoot, Convert): Make global. * sim-main.h (ValueFPR, StoreFPR): Define. Tue Oct 14 13:06:55 1997 Andrew Cagney * interp.c (sim_engine_run): Check consistency between configure WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN and HASFPU. * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE. (mips_fpu): Configure WITH_FLOATING_POINT. (mips_endian): Configure WITH_TARGET_ENDIAN. * configure: Update. Fri Oct 3 09:28:00 1997 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. start-sanitize-r5900 Mon Aug 25 19:11:15 1997 Andrew Cagney * interp.c (MAX_REG): Allow up-to 128 registers. (LO1, HI1): Define value that matches REGISTER_NAMES in gdb. (REGISTER_SA): Ditto. (sim_open): Initialize register_widths for r5900 specific registers. (sim_fetch_register, sim_store_register): Check for request of r5900 specific SA register. Check for request for hi 64 bits of r5900 specific registers. end-sanitize-r5900 Mon Sep 29 14:45:00 1997 Bob Manson * configure: Regenerated. Fri Sep 26 12:48:18 1997 Mark Alexander * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB. Thu Sep 25 11:15:22 1997 Andrew Cagney * gencode.c (print_igen_insn_models): Assume certain architectures include all mips* instructions. (print_igen_insn_format): Use data_size==-1 as marker for MIPS16 instruction. * Makefile.in (tmp.igen): Add target. Generate igen input from gencode file. * gencode.c (FEATURE_IGEN): Define. (main): Add --igen option. Generate output in igen format. (process_instructions): Format output according to igen option. (print_igen_insn_format): New function. (print_igen_insn_models): New function. (process_instructions): Only issue warnings and ignore instructions when no FEATURE_IGEN. Wed Sep 24 17:38:57 1997 Andrew Cagney * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some MIPS targets. Tue Sep 23 11:04:38 1997 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. Tue Sep 23 10:19:51 1997 Andrew Cagney * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common. (SIM_EXTRA_CFLAGS): Update. Mon Sep 22 11:46:20 1997 Andrew Cagney * configure.in: Configure non-strict memory alignment. * configure: Regenerated to track ../common/aclocal.m4 changes. Fri Sep 19 17:45:25 1997 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. Sat Sep 20 14:07:28 1997 Gavin Koch * gencode.c (SDBBP,DERET): Added (3900) insns. (RFE): Turn on for 3900. * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added. (dsstate): Made global. (SUBTARGET_R3900): Added. (CANCELDELAYSLOT): New. (SignalException): Ignore SystemCall rather than ignore and terminate. Add DebugBreakPoint handling. (decode_coproc): New insns RFE, DERET; and new registers Debug and DEPC protected by SUBTARGET_R3900. (sim_engine_run): Use CANCELDELAYSLOT rather than clearing bits explicitly. * Makefile.in,configure.in: Add mips subtarget option. * configure: Update. Fri Sep 19 09:33:27 1997 Gavin Koch * gencode.c: Add r3900 (tx39). start-sanitize-tx19 * gencode.c: Fix some configuration problems by improving the relationship between tx19 and tx39. end-sanitize-tx19 Tue Sep 16 15:52:04 1997 Gavin Koch * gencode.c (build_instruction): Don't need to subtract 4 for JALR, just 2. Tue Sep 16 11:32:28 1997 Gavin Koch * interp.c: Correct some HASFPU problems. Mon Sep 15 17:36:15 1997 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. Fri Sep 12 12:01:39 1997 Andrew Cagney * interp.c (mips_options): Fix samples option short form, should be `x'. Thu Sep 11 09:35:29 1997 Andrew Cagney * interp.c (sim_info): Enable info code. Was just returning. Tue Sep 9 17:30:57 1997 Andrew Cagney * interp.c (decode_coproc): Clarify warning about unsuported MTC0, MFC0. Tue Sep 9 16:28:28 1997 Andrew Cagney * gencode.c (build_instruction): Use SIGNED64 for 64 bit constants. (build_instruction): Ditto for LL. start-sanitize-tx19 Sun Sep 7 16:05:46 1997 Gavin Koch * mips/configure.in, mips/gencode: Add tx19/r1900. end-sanitize-tx19 Thu Sep 4 17:21:23 1997 Doug Evans * configure: Regenerated to track ../common/aclocal.m4 changes. start-sanitize-r5900 Mon Sep 1 18:43:30 1997 Andrew Cagney * gencode.c (build_instruction): For "pabsw" and "pabsh", check for overflow due to ABS of MININT, set result to MAXINT. (build_instruction): For "psrlvw", signextend bit 31. end-sanitize-r5900 Wed Aug 27 18:13:22 1997 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. * config.in: Ditto. Wed Aug 27 14:12:27 1997 Andrew Cagney * interp.c (sim_open): Add call to sim_analyze_program, update call to sim_config. Tue Aug 26 10:40:07 1997 Andrew Cagney * interp.c (sim_kill): Delete. (sim_create_inferior): Add ABFD argument. Set PC from same. (sim_load): Move code initializing trap handlers from here. (sim_open): To here. (sim_load): Delete, use sim-hload.c. * Makefile.in (SIM_OBJS): Add sim-hload.o module. Mon Aug 25 17:50:22 1997 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. * config.in: Ditto. Mon Aug 25 15:59:48 1997 Andrew Cagney * interp.c (sim_open): Add ABFD argument. (sim_load): Move call to sim_config from here. (sim_open): To here. Check return status. start-sanitize-r5900 * gencode.c (build_instruction): Do not define x8000000000000000, x7FFFFFFFFFFFFFFF, or xFFFFFFFF80000000. end-sanitize-r5900 start-sanitize-r5900 Mon Jul 28 19:49:29 1997 Andrew Cagney * gencode.c (build_instruction): For "pdivw", "pdivbw" and "pdivuw" check for overflow due to signed divide by -1. end-sanitize-r5900 Fri Jul 25 15:00:45 1997 Gavin Koch * gencode.c (build_instruction): Two arg MADD should not assign result to $0. start-sanitize-r5900 Thu Jul 10 11:58:48 1997 Andrew Cagney * gencode.c (build_instruction): For "ppac5" use unsigned arrithmetic so that the sign bit doesn't smear when right shifted. (build_instruction): For "pdiv" perform sign extension when storing results in HI and LO. (build_instructions): For "pdiv" and "pdivbw" check for divide-by-zero. (build_instruction): For "pmfhl.slw" update hi part of dest register as well as low part. (build_instruction): For "pmfhl" portably handle long long values. (build_instruction): For "pmfhl.sh" correctly negative values. Store half words 2 and three in the correct place. (build_instruction): For "psllvw", sign extend value after shift. end-sanitize-r5900 Thu Jun 26 12:13:17 1997 Angela Marie Thomas (angela@cygnus.com) * sim/mips/configure: Change default_sim_endian to 0 (bi-endian) * sim/mips/configure.in: Regenerate. Wed Jul 9 10:29:21 1997 Andrew Cagney * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit signed8, unsigned8 et.al. types. start-sanitize-r5900 * gencode.c (build_instruction): For PMULTU* do not sign extend registers. Make generated code easier to debug. end-sanitize-r5900 * interp.c (SUB_REG_FETCH): Handle both little and big endian hosts when selecting subreg. start-sanitize-r5900 Tue Jul 8 18:07:20 1997 Andrew Cagney * gencode.c (type_for_data_len): For 32bit operations concerned with overflow, perform op using 64bits. (build_instruction): For PADD, always compute operation using type returned by type_for_data_len. (build_instruction): For PSUBU, when overflow, saturate to zero as actually underflow. end-sanitize-r5900 Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com) start-sanitize-r5900 * gencode.c (build_instruction): Handle "pext5" according to version 1.95 of the r5900 ISA. * gencode.c (build_instruction): Handle "ppac5" according to version 1.95 of the r5900 ISA. end-sanitize-r5900 * interp.c (sim_engine_run): Reset the ZERO register to zero regardless of FEATURE_WARN_ZERO. * gencode.c (FEATURE_WARNINGS): Remove FEATURE_WARN_ZERO. Wed Jun 4 10:43:14 1997 Andrew Cagney * interp.c (decode_coproc): Implement MTC0 N, CAUSE. (SignalException): For BreakPoints ignore any mode bits and just save the PC. (SignalException): Always set the CAUSE register. Tue Jun 3 05:00:33 1997 Andrew Cagney * interp.c (SignalException): Clear the simDELAYSLOT flag when an exception has been taken. * interp.c: Implement the ERET and mt/f sr instructions. start-sanitize-r5900 Mon Jun 2 23:28:19 1997 Andrew Cagney * gencode.c (build_instruction): For paddu, extract unsigned sub-fields. * gencode.c (build_instruction): Saturate padds instead of padd instructions. end-sanitize-r5900 Sat May 31 00:44:16 1997 Andrew Cagney * interp.c (SignalException): Don't bother restarting an interrupt. Fri May 30 23:41:48 1997 Andrew Cagney * interp.c (SignalException): Really take an interrupt. (interrupt_event): Only deliver interrupts when enabled. Tue May 27 20:08:06 1997 Andrew Cagney * interp.c (sim_info): Only print info when verbose. (sim_info) Use sim_io_printf for output. Tue May 27 14:22:23 1997 Andrew Cagney * interp.c (CoProcPresent): Add UNUSED attribute - not used by all mips architectures. Tue May 27 14:22:23 1997 Andrew Cagney * interp.c (sim_do_command): Check for common commands if a simulator specific command fails. Thu May 22 09:32:03 1997 Gavin Koch * interp.c (sim_engine_run): ifdef out uses of simSTOP, simSTEP and simBE when DEBUG is defined. Wed May 21 09:08:10 1997 Andrew Cagney * interp.c (interrupt_event): New function. Pass exception event onto exception handler. * configure.in: Check for stdlib.h. * configure: Regenerate. * gencode.c (build_instruction): Add UNUSED attribute to tempS variable declaration. (build_instruction): Initialize memval1. (build_instruction): Add UNUSED attribute to byte, bigend, reverse. (build_operands): Ditto. * interp.c: Fix GCC warnings. (sim_get_quit_code): Delete. * configure.in: Add INLINE, ENDIAN, HOSTENDIAN and WARNINGS. * Makefile.in: Ditto. * configure: Re-generate. * Makefile.in (SIM_OBJS): Add sim-watch.o module. Tue May 20 15:08:56 1997 Andrew Cagney * interp.c (mips_option_handler): New function parse argumes using sim-options. (myname): Replace with STATE_MY_NAME. (sim_open): Delete check for host endianness - performed by sim_config. (simHOSTBE, simBE): Delete, replaced by sim-endian flags. (sim_open): Move much of the initialization from here. (sim_load): To here. After the image has been loaded and endianness set. (sim_open): Move ColdReset from here. (sim_create_inferior): To here. (sim_open): Make FP check less dependant on host endianness. * Makefile.in (SIM_RUN_OBJS): Set to nrun.o - use new version or run. * interp.c (sim_set_callbacks): Delete. * interp.c (membank, membank_base, membank_size): Replace with STATE_MEMORY, STATE_MEM_SIZE, STATE_MEM_BASE. (sim_open): Remove call to callback->init. gdb/run do this. * interp.c: Update * sim-main.h (SIM_HAVE_FLATMEM): Define. * interp.c (big_endian_p): Delete, replaced by current_target_byte_order. Tue May 20 13:55:00 1997 Andrew Cagney * interp.c (host_read_long, host_read_word, host_swap_word, host_swap_long): Delete. Using common sim-endian. (sim_fetch_register, sim_store_register): Use H2T. (pipeline_ticks): Delete. Handled by sim-events. (sim_info): Update. (sim_engine_run): Update. Tue May 20 13:42:03 1997 Andrew Cagney * interp.c (sim_stop_reason): Move code determining simEXCEPTION reason from here. (SignalException): To here. Signal using sim_engine_halt. (sim_stop_reason): Delete, moved to common. Tue May 20 10:19:48 1997 Andrew Cagney * interp.c (sim_open): Add callback argument. (sim_set_callbacks): Delete SIM_DESC argument. (sim_size): Ditto. Mon May 19 18:20:38 1997 Andrew Cagney * Makefile.in (SIM_OBJS): Add common modules. * interp.c (sim_set_callbacks): Also set SD callback. (set_endianness, xfer_*, swap_*): Delete. (host_read_word, host_read_long, host_swap_word, host_swap_long): Change to functions using sim-endian macros. (control_c, sim_stop): Delete, use common version. (simulate): Convert into. (sim_engine_run): This function. (sim_resume): Delete. * interp.c (simulation): New variable - the simulator object. (sim_kind): Delete global - merged into simulation. (sim_load): Cleanup. Move PC assignment from here. (sim_create_inferior): To here. * sim-main.h: New file. * interp.c (sim-main.h): Include. Thu Apr 24 00:39:51 1997 Doug Evans * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Apr 23 17:32:19 1997 Doug Evans * tconfig.in (SIM_HAVE_BIENDIAN): Define. Mon Apr 21 17:16:13 1997 Gavin Koch * gencode.c (build_instruction): DIV instructions: check for division by zero and integer overflow before using host's division operation. Thu Apr 17 03:18:14 1997 Doug Evans * Makefile.in (SIM_OBJS): Add sim-load.o. * interp.c: #include bfd.h. (target_byte_order): Delete. (sim_kind, myname, big_endian_p): New static locals. (sim_open): Set sim_kind, myname. Move call to set_endianness to after argument parsing. Recognize -E arg, set endianness accordingly. (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to load file into simulator. Set PC from bfd. (sim_create_inferior): Return SIM_RC. Delete arg start_address. (set_endianness): Use big_endian_p instead of target_byte_order. Wed Apr 16 17:55:37 1997 Andrew Cagney * interp.c (sim_size): Delete prototype - conflicts with definition in remote-sim.h. Correct definition. Mon Apr 7 15:45:02 1997 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. * config.in: Ditto. Wed Apr 2 15:06:28 1997 Doug Evans * interp.c (sim_open): New arg `kind'. * configure: Regenerated to track ../common/aclocal.m4 changes. Wed Apr 2 14:34:19 1997 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. Tue Mar 25 11:38:22 1997 Doug Evans * interp.c (sim_open): Set optind to 0 before calling getopt. Wed Mar 19 01:14:00 1997 Andrew Cagney * configure: Regenerated to track ../common/aclocal.m4 changes. Mon Mar 17 10:52:59 1997 Gavin Koch * 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 * configure: Re-generate. Fri Mar 14 10:34:11 1997 Michael Meissner * configure: Regenerate to track ../common/aclocal.m4 changes. Thu Mar 13 12:51:36 1997 Doug Evans * 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 * 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 * 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 * 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 * interp.c (simopen): Add support for LSI MiniRISC PMON vectors. start-sanitize-r5900 Tue Feb 18 17:03:47 1997 Gavin Koch * gencode.c (MIPS_DECODE): Correct instruction feature flags for PMADDUW. end-sanitize-r5900 Thu Feb 13 14:08:30 1997 Ian Lance Taylor * 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 * 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 * 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 * 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 * 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 * 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 * gencode.c (build_instruction): Use BigEndianCPU instead of ByteSwapMem. Thu Jan 02 22:23:04 1997 Mark Alexander * 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 * support.h: Undo previous change to SIGTRAP and SIGQUIT values. Mon Dec 30 17:36:06 1996 Ian Lance Taylor * 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 * 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 * 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 * 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 * 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 * 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 * 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 * 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 * gencode.c (process_instructions): If ! proc64, skip DOUBLEWORD 16 bit instructions. Tue Nov 26 11:53:12 1996 Ian Lance Taylor 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 * 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 * 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 * 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 * interp.c (xfer_big_long): Prevent unwanted sign extension. Thu Sep 26 17:35:00 1996 James G. Smith * 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 * 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 * 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 * 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 * 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 * 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 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 * 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 * 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 , , and 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 * interp.c (ColdReset): Fix boolean test. Make all simulator globals static. Wed May 8 15:12:58 1996 James G. Smith * 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 * 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 * interp.c (sim_do_command): Complain if callback structure not initialised. Thu Mar 28 13:50:51 1996 James G. Smith * 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 * interp.c, gencode.c: Some more (TODO) tidying. Thu Mar 7 11:19:33 1996 James G. Smith * 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 * configure: Regenerate with autoconf 2.7. Tue Jan 30 08:48:18 1996 Fred Fish * 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 * interp.c (StoreFPR): Control UndefinedResult() call on WARN_RESULT manifest. Fri Dec 1 16:37:19 1995 James G. Smith * 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 * Changelog, Makefile.in, README.Cygnus, configure, configure.in, gencode.c, interp.c, support.h: created.