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Diffstat (limited to 'sim/mips/ChangeLog')
| -rw-r--r-- | sim/mips/ChangeLog | 2184 |
1 files changed, 0 insertions, 2184 deletions
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog deleted file mode 100644 index a6e059ca106..00000000000 --- a/sim/mips/ChangeLog +++ /dev/null @@ -1,2184 +0,0 @@ -2000-05-24 Michael Hayes <mhayes@cygnus.com> - - * mips.igen (do_dmultx): Fix typo. - -Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Fri Apr 28 20:48:36 2000 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen (DMxC1): Fix format arguments for sim_io_eprintf call. - -2000-04-12 Frank Ch. Eigler <fche@redhat.com> - - * sim-main.h (GPR_CLEAR): Define macro. - -Mon Apr 10 00:07:09 2000 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (decode_coproc): Output long using %lx and not %s. - -2000-03-21 Frank Ch. Eigler <fche@redhat.com> - - * interp.c (sim_open): Sort & extend dummy memory regions for - --board=jmr3904 for eCos. - -2000-03-02 Frank Ch. Eigler <fche@redhat.com> - - * configure: Regenerated. - -Tue Feb 8 18:35:01 2000 Donald Lindsay <dlindsay@hound.cygnus.com> - - * interp.c, mips.igen: all 5 DEADC0DE situations now have sim_io_eprintf - calls, conditional on the simulator being in verbose mode. - -Fri Feb 4 09:45:15 2000 Donald Lindsay <dlindsay@cygnus.com> - - * sim-main.c (cache_op): Added case arm so that CACHE ops to a secondary - cache don't get ReservedInstruction traps. - -1999-11-29 Mark Salter <msalter@cygnus.com> - - * dv-tx3904sio.c (tx3904sio_io_write_buffer): Use write value as a mask - to clear status bits in sdisr register. This is how the hardware works. - - * interp.c (sim_open): Added more memory aliases for jmr3904 hardware - being used by cygmon. - -1999-11-11 Andrew Haley <aph@cygnus.com> - - * interp.c (decode_coproc): Correctly handle DMFC0 and DMTC0 - instructions. - -Thu Sep 9 15:12:08 1999 Geoffrey Keating <geoffk@cygnus.com> - - * mips.igen (MULT): Correct previous mis-applied patch. - -Tue Sep 7 13:34:54 1999 Geoffrey Keating <geoffk@cygnus.com> - - * mips.igen (delayslot32): Handle sequence like - mtc1 $at,$f12 ; jal fp_add ; mov.s $f13,$f12 - correctly by calling ENGINE_ISSUE_PREFIX_HOOK() before issue. - (MULT): Actually pass the third register... - -1999-09-03 Mark Salter <msalter@cygnus.com> - - * interp.c (sim_open): Added more memory aliases for additional - hardware being touched by cygmon on jmr3904 board. - -Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com> - - * interp.c (sim_store_register): Handle case where client - GDB - - specifies that a 4 byte register is 8 bytes in size. - (sim_fetch_register): Ditto. - -1999-07-14 Frank Ch. Eigler <fche@cygnus.com> - - Implement "sim firmware" option, inspired by jimb's version of 1998-01. - * interp.c (firmware_option_p): New global flag: "sim firmware" given. - (idt_monitor_base): Base address for IDT monitor traps. - (pmon_monitor_base): Ditto for PMON. - (lsipmon_monitor_base): Ditto for LSI PMON. - (MONITOR_BASE, MONITOR_SIZE): Removed macros. - (mips_option): Add "firmware" option with new OPTION_FIRMWARE key. - (sim_firmware_command): New function. - (mips_option_handler): Call it for OPTION_FIRMWARE. - (sim_open): Allocate memory for idt_monitor region. If "--board" - option was given, add no monitor by default. Add BREAK hooks only if - monitors are also there. - -Mon Jul 12 00:02:27 1999 Andrew Cagney <cagney@amy.cygnus.com> - - * interp.c (sim_monitor): Flush output before reading input. - -Sun Jul 11 19:28:11 1999 Andrew Cagney <cagney@b1.cygnus.com> - - * tconfig.in (SIM_HANDLES_LMA): Always define. - -Thu Jul 8 16:06:59 1999 Andrew Cagney <cagney@b1.cygnus.com> - - From Mark Salter <msalter@cygnus.com>: - * interp.c (BOARD_BSP): Define. Add to list of possible boards. - (sim_open): Add setup for BSP board. - -Wed Jul 7 12:45:58 1999 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen (MULT, MULTU): Add syntax for two operand version. - (DMFC0, DMTC0): Recognize. Call DecodeCoproc which will report - them as unimplemented. - -1999-05-08 Felix Lee <flee@cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -1999-04-21 Frank Ch. Eigler <fche@cygnus.com> - - * mips.igen (bc0f): For the TX39 only, decode this as a no-op stub. - -Thu Apr 15 14:15:17 1999 Andrew Cagney <cagney@amy.cygnus.com> - - * configure.in: Any mips64vr5*-*-* target should have - -DTARGET_ENABLE_FR=1. - (default_endian): Any mips64vr*el-*-* target should default to - LITTLE_ENDIAN. - * configure: Re-generate. - -1999-02-19 Gavin Romig-Koch <gavin@cygnus.com> - - * mips.igen (ldl): Extend from _16_, not 32. - -Wed Jan 27 18:51:38 1999 Andrew Cagney <cagney@chook.cygnus.com> - - * interp.c (sim_store_register): Force registers written to by GDB - into an un-interpreted state. - -1999-02-05 Frank Ch. Eigler <fche@cygnus.com> - - * dv-tx3904sio.c (tx3904sio_tickle): After a polled I/O from the - CPU, start periodic background I/O polls. - (tx3904sio_poll): New function: periodic I/O poller. - -1998-12-30 Frank Ch. Eigler <fche@cygnus.com> - - * mips.igen (BREAK): Call signal_exception instead of sim_engine_halt. - -Tue Dec 29 16:03:53 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> - - * configure.in, configure (mips64vr5*-*-*): Added missing ;; in - case statement. - -1998-12-29 Frank Ch. Eigler <fche@cygnus.com> - - * interp.c (sim_open): Allocate jm3904 memory in smaller chunks. - (load_word): Call SIM_CORE_SIGNAL hook on error. - (signal_exception): Call SIM_CPU_EXCEPTION_TRIGGER hook before - starting. For exception dispatching, pass PC instead of NULL_CIA. - (decode_coproc): Use COP0_BADVADDR to store faulting address. - * sim-main.h (COP0_BADVADDR): Define. - (SIM_CORE_SIGNAL): Define hook to call mips_core_signal. - (SIM_CPU_EXCEPTION*): Define hooks to call mips_cpu_exception*(). - (_sim_cpu): Add exc_* fields to store register value snapshots. - * mips.igen (*): Replace memory-related SignalException* calls - with references to SIM_CORE_SIGNAL hook. - - * dv-tx3904irc.c (tx3904irc_port_event): printf format warning - fix. - * sim-main.c (*): Minor warning cleanups. - -1998-12-24 Gavin Romig-Koch <gavin@cygnus.com> - - * m16.igen (DADDIU5): Correct type-o. - -Mon Dec 21 10:34:48 1998 Andrew Cagney <cagney@chook> - - * mips.igen (do_ddiv, do_ddivu): Pacify GCC. Update hi/lo via tmp - variables. - -Wed Dec 16 18:20:28 1998 Andrew Cagney <cagney@chook> - - * Makefile.in (SIM_EXTRA_CFLAGS): No longer need to add .../newlib - to include path. - (interp.o): Add dependency on itable.h - (oengine.c, gencode): Delete remaining references. - (BUILT_SRC_FROM_GEN): Clean up. - -1998-12-16 Gavin Romig-Koch <gavin@cygnus.com> - - * vr4run.c: New. - * Makefile.in (SIM_HACK_OBJ,HACK_OBJS,HACK_GEN_SRCS,libhack.a, - tmp-hack,tmp-m32-hack,tmp-m16-hack,tmp-itable-hack, - tmp-run-hack) : New. - * m16.igen (LD,DADDIU,DADDUI5,DADJSP,DADDIUSP,DADDI,DADDU,DSUBU, - DSLL,DSRL,DSRA,DSLLV,DSRAV,DMULT,DMULTU,DDIV,DDIVU,JALX32,JALX): - Drop the "64" qualifier to get the HACK generator working. - Use IMMEDIATE rather than IMMED. Use SHAMT rather than SHIFT. - * mips.igen (do_daddiu,do_ddiv,do_divu): Remove the 64-only - qualifier to get the hack generator working. - (do_dsll,do_dsllv,do_dsra,do_dsrl,do_dsrlv): New. - (DSLL): Use do_dsll. - (DSLLV): Use do_dsllv. - (DSRA): Use do_dsra. - (DSRL): Use do_dsrl. - (DSRLV): Use do_dsrlv. - (BC1): Move *vr4100 to get the HACK generator working. - (CxC1, DMxC1, MxC1,MACCU,MACCHI,MACCHIU): Rename to - get the HACK generator working. - (MACC) Rename to get the HACK generator working. - (DMACC,MACCS,DMACCS): Add the 64. - -1998-12-12 Gavin Romig-Koch <gavin@cygnus.com> - - * mips.igen (BC1): Renamed to BC1a and BC1b to avoid conflicts. - * sim-main.h (SizeFGR): Handle TARGET_ENABLE_FR. - -1998-12-11 Gavin Romig-Koch <gavin@cygnus.com> - - * mips/interp.c (DEBUG): Cleanups. - -1998-12-10 Frank Ch. Eigler <fche@cygnus.com> - - * dv-tx3904sio.c (tx3904sio_io_read_buffer): Endianness fixes. - (tx3904sio_tickle): fflush after a stdout character output. - -1998-12-03 Frank Ch. Eigler <fche@cygnus.com> - - * interp.c (sim_close): Uninstall modules. - -Wed Nov 25 13:41:03 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h, interp.c (sim_monitor): Change to global - function. - -Wed Nov 25 17:33:24 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure.in (vr4100): Only include vr4100 instructions in - simulator. - * configure: Re-generate. - * m16.igen (*): Tag all mips16 instructions as also being vr4100. - -Mon Nov 23 18:20:36 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * Makefile.in (SIM_CFLAGS): Do not define WITH_IGEN. - * sim-main.h, sim-main.c, interp.c: Delete #if WITH_IGEN keeping - true alternative. - - * configure.in (sim_default_gen, sim_use_gen): Replace with - sim_gen. - (--enable-sim-igen): Delete config option. Always using IGEN. - * configure: Re-generate. - - * Makefile.in (gencode): Kill, kill, kill. - * gencode.c: Ditto. - -Mon Nov 23 18:07:36 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure.in: Configure mips64vr4100-elf nee mips64vr41* as a 64 - bit mips16 igen simulator. - * configure: Re-generate. - - * mips.igen (check_div_hilo, check_mult_hilo, check_mf_hilo): Mark - as part of vr4100 ISA. - * vr.igen: Mark all instructions as 64 bit only. - -Mon Nov 23 17:07:37 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (get_cell, sim_monitor, fetch_str, CoProcPresent): - Pacify GCC. - -Mon Nov 23 13:23:40 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure.in: Configure mips-lsi-elf nee mips*lsi* as a - mipsIII/mips16 igen simulator. Fix sim_gen VS sim_igen typos. - * configure: Re-generate. - - * m16.igen (BREAK): Define breakpoint instruction. - (JALX32): Mark instruction as mips16 and not r3900. - * mips.igen (C.cond.fmt): Fix typo in instruction format. - - * sim-main.h (PENDING_FILL): Wrap C statements in do/while. - -Sat Nov 7 09:54:38 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gencode.c (build_instruction - BREAK): For MIPS16, handle BREAK - insn as a debug breakpoint. - - * sim-main.h (PENDING_SLOT_BIT): Fix, was incorrectly defined as - pending.slot_size. - (PENDING_SCHED): Clean up trace statement. - (PENDING_SCHED): Increment PENDING_IN and PENDING_TOTAL. - (PENDING_FILL): Delay write by only one cycle. - (PENDING_FILL): For FSRs, write fmt_uninterpreted to FPR_STATE. - - * sim-main.c (pending_tick): Clean up trace statements. Add trace - of pending writes. - (pending_tick): Fix sizes in switch statements, 4 & 8 instead of - 32 & 64. - (pending_tick): Move incrementing of index to FOR statement. - (pending_tick): Only update PENDING_OUT after a write has occured. - - * configure.in: Add explicit mips-lsi-* target. Use gencode to - build simulator. - * configure: Re-generate. - - * interp.c (sim_engine_run OLD): Delete explicit call to - PENDING_TICK. Now called via ENGINE_ISSUE_PREFIX_HOOK. - -Sat Oct 30 09:49:10 1998 Frank Ch. Eigler <fche@cygnus.com> - - * dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Add dummy - interrupt level number to match changed SignalExceptionInterrupt - macro. - -Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com> - - * interp.c: #include "itable.h" if WITH_IGEN. - (get_insn_name): New function. - (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS. - * sim-main.h (MAX_INSNS,INSN_NAME): Delete. - -Mon Sep 14 12:36:44 1998 Frank Ch. Eigler <fche@cygnus.com> - - * configure: Rebuilt to inhale new common/aclocal.m4. - -Tue Sep 1 15:39:18 1998 Frank Ch. Eigler <fche@cygnus.com> - - * dv-tx3904sio.c: Include sim-assert.h. - -Tue Aug 25 12:49:46 1998 Frank Ch. Eigler <fche@cygnus.com> - - * dv-tx3904sio.c: New file: tx3904 serial I/O module. - * configure.in: Add dv-tx3904sio, dv-sockser for tx39 target. - Reorganize target-specific sim-hardware checks. - * configure: rebuilt. - * interp.c (sim_open): For tx39 target boards, set - OPERATING_ENVIRONMENT, add tx3904sio devices. - * tconfig.in: For tx39 target, set SIM_HANDLES_LMA for loading - ROM executables. Install dv-sockser into sim-modules list. - - * dv-tx3904irc.c: Compiler warning clean-up. - * dv-tx3904tmr.c: Compiler warning clean-up. Remove particularly - frequent hw-trace messages. - -Fri Jul 31 18:14:16 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * vr.igen (MulAcc): Identify as a vr4100 specific function. - -Sat Jul 25 16:03:14 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * Makefile.in (IGEN_INCLUDE): Add vr.igen. - - * vr.igen: New file. - (MAC/MADD16, DMAC/DMADD16): Implement using code from gencode.c. - * mips.igen: Define vr4100 model. Include vr.igen. -Mon Jun 29 09:21:07 1998 Gavin Koch <gavin@cygnus.com> - - * mips.igen (check_mf_hilo): Correct check. - -Wed Jun 17 12:20:49 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h (interrupt_event): Add prototype. - - * dv-tx3904tmr.c (tx3904tmr_io_write_buffer): Delete unused - register_ptr, register_value. - (deliver_tx3904tmr_tick): Fix types passed to printf fmt. - - * sim-main.h (tracefh): Make extern. - -Tue Jun 16 14:39:00 1998 Frank Ch. Eigler <fche@cygnus.com> - - * dv-tx3904tmr.c: Deschedule timer event after dispatching. - Reduce unnecessarily high timer event frequency. - * dv-tx3904cpu.c: Ditto for interrupt event. - -Wed Jun 10 13:22:32 1998 Frank Ch. Eigler <fche@cygnus.com> - - * interp.c (decode_coproc): For TX39, add stub COP0 register #7, - to allay warnings. - (interrupt_event): Made non-static. - - * dv-tx3904tmr.c (deliver_tx3904tmr_tick): Correct accidental - interchange of configuration values for external vs. internal - clock dividers. - -Tue Jun 9 12:46:24 1998 Ian Carmichael <iancarm@cygnus.com> - - * mips.igen (BREAK): Moved code to here for - simulator-reserved break instructions. - * gencode.c (build_instruction): Ditto. - * interp.c (signal_exception): Code moved from here. Non- - reserved instructions now use exception vector, rather - than halting sim. - * sim-main.h: Moved magic constants to here. - -Tue Jun 9 12:29:50 1998 Frank Ch. Eigler <fche@cygnus.com> - - * dv-tx3904cpu.c (deliver_*_interrupt,*_port_event): Set the CAUSE - register upon non-zero interrupt event level, clear upon zero - event value. - * dv-tx3904irc.c (*_port_event): Handle deactivated interrupt signal - by passing zero event value. - (*_io_{read,write}_buffer): Endianness fixes. - * dv-tx3904tmr.c (*_io_{read,write}_buffer): Endianness fixes. - (deliver_*_tick): Reduce sim event interval to 75% of count interval. - - * interp.c (sim_open): Added jmr3904pal board type that adds PAL-based - serial I/O and timer module at base address 0xFFFF0000. - -Tue Jun 9 11:52:29 1998 Gavin Koch <gavin@cygnus.com> - - * mips.igen (SWC1) : Correct the handling of ReverseEndian - and BigEndianCPU. - -Tue Jun 9 11:40:57 1998 Gavin Koch <gavin@cygnus.com> - - * configure.in (mips_fpu_bitsize) : Set this correctly for 32-bit mips - parts. - * configure: Update. - -Thu Jun 4 15:37:33 1998 Frank Ch. Eigler <fche@cygnus.com> - - * dv-tx3904tmr.c: New file - implements tx3904 timer. - * dv-tx3904{irc,cpu}.c: Mild reformatting. - * configure.in: Include tx3904tmr in hw_device list. - * configure: Rebuilt. - * interp.c (sim_open): Instantiate three timer instances. - Fix address typo of tx3904irc instance. - -Tue Jun 2 15:48:02 1998 Ian Carmichael <iancarm@cygnus.com> - - * interp.c (signal_exception): SystemCall exception now uses - the exception vector. - -Mon Jun 1 18:18:26 1998 Frank Ch. Eigler <fche@cygnus.com> - - * interp.c (decode_coproc): For TX39, add stub COP0 register #3, - to allay warnings. - -Fri May 29 11:40:39 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure.in (sim_igen_filter): Match mips*tx39 not mipst*tx39. - -Mon May 25 20:47:45 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * dv-tx3904cpu.c, dv-tx3904irc.c: Rename *_callback to *_method. - - * dv-tx3904cpu.c, dv-tx3904irc.c: Include hw-main.h and - sim-main.h. Declare a struct hw_descriptor instead of struct - hw_device_descriptor. - -Mon May 25 12:41:38 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen (do_store_left, do_load_left): Compute nr of left and - right bits and then re-align left hand bytes to correct byte - lanes. Fix incorrect computation in do_store_left when loading - bytes from second word. - -Fri May 22 13:34:20 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure.in (SIM_AC_OPTION_HARDWARE): Only enable when tx3904. - * interp.c (sim_open): Only create a device tree when HW is - enabled. - - * dv-tx3904irc.c (tx3904irc_finish): Pacify GCC. - * interp.c (signal_exception): Ditto. - -Thu May 21 14:24:11 1998 Gavin Koch <gavin@cygnus.com> - - * gencode.c: Mark BEGEZALL as LIKELY. - -Thu May 21 18:57:19 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h (ALU32_END): Sign extend 32 bit results. - * mips.igen (ADD, SUB, ADDI, DADD, DSUB): Trace. - -Mon May 18 18:22:42 1998 Frank Ch. Eigler <fche@cygnus.com> - - * configure.in (SIM_AC_OPTION_HARDWARE): Added common hardware - modules. Recognize TX39 target with "mips*tx39" pattern. - * configure: Rebuilt. - * sim-main.h (*): Added many macros defining bits in - TX39 control registers. - (SignalInterrupt): Send actual PC instead of NULL. - (SignalNMIReset): New exception type. - * interp.c (board): New variable for future use to identify - a particular board being simulated. - (mips_option_handler,mips_options): Added "--board" option. - (interrupt_event): Send actual PC. - (sim_open): Make memory layout conditional on board setting. - (signal_exception): Initial implementation of hardware interrupt - handling. Accept another break instruction variant for simulator - exit. - (decode_coproc): Implement RFE instruction for TX39. - (mips.igen): Decode RFE instruction as such. - * configure.in (tx3904cpu,tx3904irc): Added devices for tx3904. - * interp.c: Define "jmr3904" and "jmr3904debug" board types and - bbegin to implement memory map. - * dv-tx3904cpu.c: New file. - * dv-tx3904irc.c: New file. - -Wed May 13 14:40:11 1998 Gavin Koch <gavin@cygnus.com> - - * mips.igen (check_mt_hilo): Create a separate r3900 version. - -Wed May 13 14:11:46 1998 Gavin Koch <gavin@cygnus.com> - - * tx.igen (madd,maddu): Replace calls to check_op_hilo - with calls to check_div_hilo. - -Wed May 13 09:59:27 1998 Gavin Koch <gavin@cygnus.com> - - * mips/mips.igen (check_op_hilo,check_mult_hilo,check_div_hilo): - Replace check_op_hilo with check_mult_hilo and check_div_hilo. - Add special r3900 version of do_mult_hilo. - (do_dmultx,do_mult,do_multu): Replace calls to check_op_hilo - with calls to check_mult_hilo. - (do_ddiv,do_ddivu,do_div,do_divu): Replace calls to check_op_hilo - with calls to check_div_hilo. - -Tue May 12 15:22:11 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure.in (SUBTARGET_R3900): Define for mipstx39 target. - Document a replacement. - -Fri May 8 17:48:19 1998 Ian Carmichael <iancarm@cygnus.com> - - * interp.c (sim_monitor): Make mon_printf work. - -Wed May 6 19:42:19 1998 Doug Evans <devans@canuck.cygnus.com> - - * sim-main.h (INSN_NAME): New arg `cpu'. - -Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Sun Apr 26 15:20:01 1998 Tom Tromey <tromey@cygnus.com> - - * acconfig.h: New file. - * configure.in: Reverted change of Apr 24; use sinclude again. - -Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Fri Apr 24 11:19:20 1998 Tom Tromey <tromey@cygnus.com> - - * configure.in: Don't call sinclude. - -Fri Apr 24 11:35:01 1998 Andrew Cagney <cagney@chook.cygnus.com> - - * mips.igen (do_store_left): Pass 0 not NULL to store_memory. - -Tue Apr 21 11:59:50 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen (ERET): Implement. - - * interp.c (decode_coproc): Return sign-extended EPC. - - * mips.igen (ANDI, LUI, MFC0): Add tracing code. - - * interp.c (signal_exception): Do not ignore Trap. - (signal_exception): On TRAP, restart at exception address. - (HALT_INSTRUCTION, HALT_INSTRUCTION_MASK): Define. - (signal_exception): Update. - (sim_open): Patch V_COMMON interrupt vector with an abort sequence - so that TRAP instructions are caught. - -Mon Apr 20 11:26:55 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h (struct hilo_access, struct hilo_history): Define, - contains HI/LO access history. - (struct _sim_cpu): Make hiaccess and loaccess of type hilo_access. - (HIACCESS, LOACCESS): Delete, replace with - (HIHISTORY, LOHISTORY): New macros. - (CHECKHILO): Delete all, moved to mips.igen - - * gencode.c (build_instruction): Do not generate checks for - correct HI/LO register usage. - - * interp.c (old_engine_run): Delete checks for correct HI/LO - register usage. - - * mips.igen (check_mt_hilo, check_mf_hilo, check_op_hilo, - check_mf_cycles): New functions. - (do_mfhi, do_mflo, "mthi", "mtlo", do_ddiv, do_ddivu, do_div, - do_divu, domultx, do_mult, do_multu): Use. - - * tx.igen ("madd", "maddu"): Use. - -Wed Apr 15 18:31:54 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen (DSRAV): Use function do_dsrav. - (SRAV): Use new function do_srav. - - * m16.igen (BEQZ, BNEZ): Compare GPR[TRX] not GPR[RX]. - (B): Sign extend 11 bit immediate. - (EXT-B*): Shift 16 bit immediate left by 1. - (ADDIU*): Don't sign extend immediate value. - -Wed Apr 15 10:32:15 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * m16run.c (sim_engine_run): Restore CIA after handling an event. - - * sim-main.h (DELAY_SLOT, NULLIFY_NEXT_INSTRUCTION): For IGEN, use - functions. - - * mips.igen (delayslot32, nullify_next_insn): New functions. - (m16.igen): Always include. - (do_*): Add more tracing. - - * m16.igen (delayslot16): Add NIA argument, could be called by a - 32 bit MIPS16 instruction. - - * interp.c (ifetch16): Move function from here. - * sim-main.c (ifetch16): To here. - - * sim-main.c (ifetch16, ifetch32): Update to match current - implementations of LH, LW. - (signal_exception): Don't print out incorrect hex value of illegal - instruction. - -Wed Apr 15 00:17:25 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an - instruction. - - * m16.igen: Implement MIPS16 instructions. - - * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu, - do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav, - do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or, - do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra, - do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move - bodies of corresponding code from 32 bit insn to these. Also used - by MIPS16 versions of functions. - - * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define. - (IMEM16): Drop NR argument from macro. - -Sat Apr 4 22:39:50 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * Makefile.in (SIM_OBJS): Add sim-main.o. - - * sim-main.h (address_translation, load_memory, store_memory, - cache_op, sync_operation, prefetch, ifetch32, pending_tick): Mark - as INLINE_SIM_MAIN. - (pr_addr, pr_uword64): Declare. - (sim-main.c): Include when H_REVEALS_MODULE_P. - - * interp.c (address_translation, load_memory, store_memory, - cache_op, sync_operation, prefetch, ifetch32, pending_tick): Move - from here. - * sim-main.c: To here. Fix compilation problems. - - * configure.in: Enable inlining. - * configure: Re-config. - -Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Fri Apr 3 04:32:35 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen: Include tx.igen. - * Makefile.in (IGEN_INCLUDE): Add tx.igen. - * tx.igen: New file, contains MADD and MADDU. - - * interp.c (load_memory): When shifting bytes, use LOADDRMASK not - the hardwired constant `7'. - (store_memory): Ditto. - (LOADDRMASK): Move definition to sim-main.h. - - mips.igen (MTC0): Enable for r3900. - (ADDU): Add trace. - - mips.igen (do_load_byte): Delete. - (do_load, do_store, do_load_left, do_load_write, do_store_left, - do_store_right): New functions. - (SW*, LW*, SD*, LD*, SH, LH, SB, LB): Use. - - configure.in: Let the tx39 use igen again. - configure: Update. - -Thu Apr 2 10:59:39 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (sim_monitor): get_mem_info returns a 4 byte quantity, - not an address sized quantity. Return zero for cache sizes. - -Wed Apr 1 23:47:53 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen (r3900): r3900 does not support 64 bit integer - operations. - -Mon Mar 30 14:46:05 1998 Gavin Koch <gavin@cygnus.com> - - * configure.in (mipstx39*-*-*): Use gencode simulator rather - than igen one. - * configure : Rebuild. - -Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Fri Mar 27 15:01:50 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (mips_option_handler): Iterate over MAX_NR_PROCESSORS. - -Wed Mar 25 16:44:27 1998 Ian Carmichael <iancarm@cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Regenerated to track ../common/aclocal.m4 changes. - -Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Mar 25 10:05:46 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (Max, Min): Comment out functions. Not yet used. - -Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Tue Mar 17 19:05:20 1998 Frank Ch. Eigler <fche@cygnus.com> - - * Makefile.in (MIPS_EXTRA_LIBS, SIM_EXTRA_LIBS): Added - configurable settings for stand-alone simulator. - - * configure.in: Added X11 search, just in case. - - * configure: Regenerated. - -Wed Mar 11 14:09:10 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (sim_write, sim_read, load_memory, store_memory): - Replace sim_core_*_map with read_map, write_map, exec_map resp. - -Tue Mar 3 13:58:43 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h (GETFCC): Return an unsigned value. - -Tue Mar 3 13:21:37 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen (DIV): Fix check for -1 / MIN_INT. - (DADD): Result destination is RD not RT. - -Fri Feb 27 13:49:49 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h (HIACCESS, LOACCESS): Always define. - - * mdmx.igen (Maxi, Mini): Rename Max, Min. - - * interp.c (sim_info): Delete. - -Fri Feb 27 18:41:01 1998 Doug Evans <devans@canuck.cygnus.com> - - * interp.c (DECLARE_OPTION_HANDLER): Use it. - (mips_option_handler): New argument `cpu'. - (sim_open): Update call to sim_add_option_table. - -Wed Feb 25 18:56:22 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen (CxC1): Add tracing. - -Fri Feb 20 17:43:21 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h (Max, Min): Declare. - - * interp.c (Max, Min): New functions. - - * mips.igen (BC1): Add tracing. - -Thu Feb 19 14:50:00 1998 John Metzler <jmetzler@cygnus.com> - - * interp.c Added memory map for stack in vr4100 - -Thu Feb 19 10:21:21 1998 Gavin Koch <gavin@cygnus.com> - - * interp.c (load_memory): Add missing "break"'s. - -Tue Feb 17 12:45:35 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (sim_store_register, sim_fetch_register): Pass in - length parameter. Return -1. - -Tue Feb 10 11:57:40 1998 Ian Carmichael <iancarm@cygnus.com> - - * interp.c: Added hardware init hook, fixed warnings. - -Sat Feb 7 17:16:20 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * Makefile.in (itable.h itable.c): Depend on SIM_@sim_gen@_ALL. - -Tue Feb 3 11:36:02 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (ifetch16): New function. - - * sim-main.h (IMEM32): Rename IMEM. - (IMEM16_IMMED): Define. - (IMEM16): Define. - (DELAY_SLOT): Update. - - * m16run.c (sim_engine_run): New file. - - * m16.igen: All instructions except LB. - (LB): Call do_load_byte. - * mips.igen (do_load_byte): New function. - (LB): Call do_load_byte. - - * mips.igen: Move spec for insn bit size and high bit from here. - * Makefile.in (tmp-igen, tmp-m16): To here. - - * m16.dc: New file, decode mips16 instructions. - - * Makefile.in (SIM_NO_ALL): Define. - (tmp-m16): Generate both 16 bit and 32 bit simulator engines. - -Tue Feb 3 11:28:00 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure.in (mips_fpu_bitsize): For tx39, restrict floating - point unit to 32 bit registers. - * configure: Re-generate. - -Sun Feb 1 15:47:14 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure.in (sim_use_gen): Make IGEN the default simulator - generator for generic 32 and 64 bit mips targets. - * configure: Re-generate. - -Sun Feb 1 16:52:37 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h (SizeFGR): Determine from floating-point and not gpr - bitsize. - - * interp.c (sim_fetch_register, sim_store_register): Read/write - FGR from correct location. - (sim_open): Set size of FGR's according to - WITH_TARGET_FLOATING_POINT_BITSIZE. - - * sim-main.h (FGR): Store floating point registers in a separate - array. - -Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Tue Feb 3 00:10:50 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (ColdReset): Call PENDING_INVALIDATE. - - * sim-main.h (ENGINE_ISSUE_PREFIX_HOOK): Call PENDING_TICK. - - * interp.c (pending_tick): New function. Deliver pending writes. - - * sim-main.h (PENDING_FILL, PENDING_TICK, PENDING_SCHED, - PENDING_BIT, PENDING_INVALIDATE): Re-write pipeline code so that - it can handle mixed sized quantites and single bits. - -Mon Feb 2 17:43:15 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (oengine.h): Do not include when building with IGEN. - (sim_open): Replace GPRLEN by WITH_TARGET_WORD_BITSIZE. - (sim_info): Ditto for PROCESSOR_64BIT. - (sim_monitor): Replace ut_reg with unsigned_word. - (*): Ditto for t_reg. - (LOADDRMASK): Define. - (sim_open): Remove defunct check that host FP is IEEE compliant, - using software to emulate floating point. - (value_fpr, ...): Always compile, was conditional on HASFPU. - -Sun Feb 1 11:15:29 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h (sim_state): Make the cpu array MAX_NR_PROCESSORS in - size. - - * interp.c (SD, CPU): Define. - (mips_option_handler): Set flags in each CPU. - (interrupt_event): Assume CPU 0 is the one being iterrupted. - (sim_close): Do not clear STATE, deleted anyway. - (sim_write, sim_read): Assume CPU zero's vm should be used for - data transfers. - (sim_create_inferior): Set the PC for all processors. - (sim_monitor, store_word, load_word, mips16_entry): Add cpu - argument. - (mips16_entry): Pass correct nr of args to store_word, load_word. - (ColdReset): Cold reset all cpu's. - (signal_exception): Pass cpu to sim_monitor & mips16_entry. - (sim_monitor, load_memory, store_memory, signal_exception): Use - `CPU' instead of STATE_CPU. - - - * sim-main.h: Replace uses of STATE_CPU with CPU. Replace sd with - SD or CPU_. - - * sim-main.h (signal_exception): Add sim_cpu arg. - (SignalException*): Pass both SD and CPU to signal_exception. - * interp.c (signal_exception): Update. - - * sim-main.h (value_fpr, store_fpr, dotrace, ifetch32), interp.c: - Ditto - (sync_operation, prefetch, cache_op, store_memory, load_memory, - address_translation): Ditto - (decode_coproc, cop_lw, cop_ld, cop_sw, cop_sd): Ditto. - -Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (sim_engine_run): Add `nr_cpus' argument. - - * mips.igen (model): Map processor names onto BFD name. - - * sim-main.h (CPU_CIA): Delete. - (SET_CIA, GET_CIA): Define - -Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * sim-main.h (GPR_SET): Define, used by igen when zeroing a - regiser. - - * configure.in (default_endian): Configure a big-endian simulator - by default. - * configure: Re-generate. - -Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Mon Jan 5 20:38:54 1998 Mark Alexander <marka@cygnus.com> - - * interp.c (sim_monitor): Handle Densan monitor outbyte - and inbyte functions. - -1997-12-29 Felix Lee <flee@cygnus.com> - - * interp.c (sim_engine_run): msvc cpp barfs on #if (a==b!=c). - -Wed Dec 17 14:48:20 1997 Jeffrey A Law (law@cygnus.com) - - * Makefile.in (tmp-igen): Arrange for $zero to always be - reset to zero after every instruction. - -Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Wed Dec 10 17:10:45 1997 Jeffrey A Law (law@cygnus.com) - - * mips.igen (MSUB): Fix to work like MADD. - * gencode.c (MSUB): Similarly. - -Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Nov 26 11:00:23 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * mips.igen (LWC1): Correct assembler - lwc1 not swc1. - -Sun Nov 23 01:45:20 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <devans@canuck.cygnus.com> - - * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS). - -Fri Nov 14 11:56:48 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * mips.igen: Delay slot branches add OFFSET to NIA not CIA. - (MFC0, MTC0, SWC1, LWC1, SDC1, LDC1): Implement. - (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 <cagney@b1.cygnus.com> - - * 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. - - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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. - -Wed Oct 29 11:13:56 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * mips.igen: Add model filter field to records. - -Mon Oct 27 17:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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. - - * m16.igen: New file. Copy mips16 insns here. - * mips.igen: From here. - -Mon Oct 27 13:53:59 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <gavin@cygnus.com> - - * gencode.c (build_instruction): Follow sim_write's lead in using - BigEndianMem instead of !ByteSwapMem. - -Fri Oct 24 17:41:49 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * interp.c (sim_info): Call profile_print. - -Mon Oct 20 13:31:20 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * Makefile.in (interp.o): Rename generated file engine.c to - oengine.c. - - * interp.c: Update. - -Thu Oct 16 10:31:40 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gencode.c (build_instruction): Use FPR_STATE not fpr_state. - -Thu Oct 16 10:31:39 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gencode.c (build_instruction): For "FPSQRT", output correct - number of arguments to Recip. - -Tue Oct 14 17:38:18 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Mon Sep 29 14:45:00 1997 Bob Manson <manson@charmed.cygnus.com> - - * configure: Regenerated. - -Fri Sep 26 12:48:18 1997 Mark Alexander <marka@cygnus.com> - - * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB. - -Thu Sep 25 11:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some - MIPS targets. - -Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * configure.in: Configure non-strict memory alignment. - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Sat Sep 20 14:07:28 1997 Gavin Koch <gavin@cygnus.com> - - * 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 <gavin@cygnus.com> - - * gencode.c: Add r3900 (tx39). - - -Tue Sep 16 15:52:04 1997 Gavin Koch <gavin@cygnus.com> - - * gencode.c (build_instruction): Don't need to subtract 4 for - JALR, just 2. - -Tue Sep 16 11:32:28 1997 Gavin Koch <gavin@cygnus.com> - - * interp.c: Correct some HASFPU problems. - -Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Fri Sep 12 12:01:39 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (mips_options): Fix samples option short form, should - be `x'. - -Thu Sep 11 09:35:29 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (sim_info): Enable info code. Was just returning. - -Tue Sep 9 17:30:57 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (decode_coproc): Clarify warning about unsuported MTC0, - MFC0. - -Tue Sep 9 16:28:28 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gencode.c (build_instruction): Use SIGNED64 for 64 bit - constants. - (build_instruction): Ditto for LL. - -Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Wed Aug 27 14:12:27 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (sim_open): Add call to sim_analyze_program, update - call to sim_config. - -Tue Aug 26 10:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Mon Aug 25 15:59:48 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (sim_open): Add ABFD argument. - (sim_load): Move call to sim_config from here. - (sim_open): To here. Check return status. - -Fri Jul 25 15:00:45 1997 Gavin Koch <gavin@cygnus.com> - - * gencode.c (build_instruction): Two arg MADD should - not assign result to $0. - -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 <cagney@critters.cygnus.com> - - * interp.c (SUB_REG_UW, SUB_REG_SW, SUB_REG_*): Use more explicit - signed8, unsigned8 et.al. types. - - * interp.c (SUB_REG_FETCH): Handle both little and big endian - hosts when selecting subreg. - -Wed Jul 2 11:54:10 1997 Jeffrey A Law (law@cygnus.com) - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * interp.c (SignalException): Clear the simDELAYSLOT flag when an - exception has been taken. - - * interp.c: Implement the ERET and mt/f sr instructions. - -Sat May 31 00:44:16 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (SignalException): Don't bother restarting an - interrupt. - -Fri May 30 23:41:48 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (SignalException): Really take an interrupt. - (interrupt_event): Only deliver interrupts when enabled. - -Tue May 27 20:08:06 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * interp.c (CoProcPresent): Add UNUSED attribute - not used by all - mips architectures. - -Tue May 27 14:22:23 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * interp.c (sim_do_command): Check for common commands if a - simulator specific command fails. - -Thu May 22 09:32:03 1997 Gavin Koch <gavin@cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <cagney@b2.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * 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 <dje@canuck.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - -Wed Apr 23 17:32:19 1997 Doug Evans <dje@canuck.cygnus.com> - - * tconfig.in (SIM_HAVE_BIENDIAN): Define. - -Mon Apr 21 17:16:13 1997 Gavin Koch <gavin@cygnus.com> - - * 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 <dje@canuck.cygnus.com> - - * 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 <cagney@b1.cygnus.com> - - * interp.c (sim_size): Delete prototype - conflicts with - definition in remote-sim.h. Correct definition. - -Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -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. - -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. - -Wed Feb 19 14:42:09 1997 Mark Alexander <marka@cygnus.com> - - * interp.c (simopen): Add support for LSI MiniRISC PMON vectors. - -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. - -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. |