Subversion Repositories or1k

2000-04-26  Alexandre Oliva  <aoliva@cygnus.com>

        * am33.igen (inc4 Rn): Use genericAdd so as to modify flags.

2000-04-09  Alexandre Oliva  <aoliva@cygnus.com>

        * am33.igen: Make SP-relative offsets unsigned.  Add `*am33' for
        some instructions that were missing it.

2000-03-03  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

        * Makefile.in (IGEN_INSN): Added am33.igen.

Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Jul 13 13:26:20 1999  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c: Clarify error message reporting an unknown board.

1999-05-08  Felix Lee  <flee@cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.
        
1999-04-16  Frank Ch. Eigler  <fche@cygnus.com>

        * interp.c (program_interrupt): Detect undesired recursion using
        static flag.  Set NMIRC register's SYSEF flag during
        --board=stdeval1 mode.
        * dv-mn103-int.c (write_icr): Add backdoor address to allow CPU to
        set SYSEF flag.

1999-04-02  Keith Seitz  <keiths@cygnus.com>

        * Makefile.in (SIM_EXTRA_CFLAGS): Define a POLL_QUIT_INTERVAL
        for use in the simulator so that the poll_quit callback is
        not called too often.

Tue Mar  9 21:26:41 1999  Andrew Cagney  <cagney@b1.cygnus.com>

        * dv-mn103int.c (mn103int_ioctl): Return something.
        * dv-mn103tim.c (write_tm6md): GCC suggested parentheses around &&
        within ||.

Tue Feb 16 23:57:17 1999  Jeffrey A Law  (law@cygnus.com)

        * mn10300.igen (retf): Fix return address computation and store
        the new pc value into nia.

1998-12-29  Frank Ch. Eigler  <fche@cygnus.com>

        * Makefile.in (WITH_COMMON_OBJS): Build also dv-sockser.o.
        * interp.c (sim_open): Add stub mn103002 cache control memory regions.
        Set OPERATING_ENVIRONMENT on "stdeval1" board.
        (mn10300_core_signal): New function to intercept memory errors.
        (program_interrupt): New function to dispatch to exception vector
        (mn10300_exception_*): New functions to snapshot pre/post exception
        state.
        * sim-main.h (SIM_CORE_SIGNAL): Define hook - call mn10300_core_signal.
        (SIM_ENGINE_HALT_HOOK): Do nothing. 
        (SIM_CPU_EXCEPTION*): Define hooks to call mn10300_cpu_exception*().
        (_sim_cpu): Add exc_* fields to store register value snapshots. 
        * dv-mn103ser.c (*): Support dv-sockser backend for UART I/O.
        Various endianness and warning fixes.
        * mn10300.igen (illegal): Call program_interrupt on error.
        (break): Call program_interrupt on breakpoint
        
        Several changes from <janczyn@cygnus.com> and <cagney@cygnus.com>
        merged in:
        * dv-mn103int.c (mn103int_ioctl): New function for NMI
        generation. (mn103int_finish): Install it as ioctl handler.
        * dv-mn103tim.c: Support timer 6 specially.  Endianness fixes.
        
Wed Oct 14 12:11:05 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen: Allow autoincrement stores using the same register
        for source and destination operands.

Mon Aug 31 10:19:55 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen: Reverse HI/LO outputs of 4 operand "mul" and "mulu".

Fri Aug 28 14:40:49 1998  Joyce Janczyn  <janczyn@cygnus.com>

        * interp.c (sim_open): Check for invalid --board option, fix
        indentation, allocate memory for mem control and DMA regs.

Wed Aug 26 09:29:38 1998  Joyce Janczyn  <janczyn@cygnus.com>

        * mn10300.igen (div,divu): Fix divide instructions so divide by 0
        behaves like the hardware.

Mon Aug 24 11:50:09 1998  Joyce Janczyn  <janczyn@cygnus.com>

        * sim-main.h (SIM_HANDLES_LMA): Define SIM_HANDLES_LMA.

Wed Aug 12 12:36:07 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen: Handle case where first DSP operation modifies a 
        register used in the second DSP operation correctly.

Tue Jul 28 10:10:25 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen: Detect cases where two operands must not match for
        DSP instructions too.

Mon Jul 27 12:04:17 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen: Detect cases where two operands must not match in
        non-DSP instructions.

Fri Jul 24 18:15:21 1998  Joyce Janczyn  <janczyn@cygnus.com>

        * op_utils.c (do_syscall): Rewrite to use common/syscall.c.
        (syscall_read_mem, syscall_write_mem): New functions for syscall
        callbacks.
        * mn10300_sim.h: Add prototypes for syscall_read_mem and
        syscall_write_mem. 
        * mn10300.igen: Change C++ style comments to C style comments.
        Check for divide by zero in div and divu ops.

Fri Jul 24 12:49:28 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen (translate_xreg): New function.  Use it as needed.

Thu Jul 23 10:05:28 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen: Add some missing instructions.

        * am33.igen: Autoincrement loads/store fixes.

Tue Jul 21 09:48:14 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen: Add mov_lCC DSP instructions.

        * am33.igen: Add most am33 DSP instructions.

Thu Jul  9 10:06:55 1998  Jeffrey A Law  (law@cygnus.com)

        * mn10300.igen: Fix Z bit for addc and subc instructions.
        Minor fixes in multiply/divide patterns.

        * am33.igen: Add missing mul[u] imm32,Rn.  Fix condition code
        handling for many instructions.  Fix sign extension for some
        24bit immediates.

        * am33.igen: Fix Z bit for remaining addc/subc instructions.
        Do not sign extend immediate for mov imm,XRn.
        More random mul, mac & div fixes.
        Remove some unused variables.
        Sign extend 24bit displacement in memory addresses.

        * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
        fixes to 2 register multiply, divide and mac instructions.  Set
        Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
        and sub instructions.

        * am33.igen: Add remaining non-DSP instructions.

Wed Jul  8 16:29:12 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen (translate_rreg): New function.  Use it as appropriate.

        * am33.igen: More am33 instructions.  Fix "div".

Mon Jul  6 15:39:22 1998  Jeffrey A Law  (law@cygnus.com)

        * mn10300.igen: Add am33 support.

        * Makefile.in: Use multi-sim to support both a mn10300 and am33
        simulator.

        * am33.igen: Add many more am33 instructions.

Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)

        * mn10300_sim.h (FETCH24): Define.

        * mn10300_sim.h: Add defines for some registers found on the AM33.
        * am33.igen: New file with some am33 support.

Tue Jun 30 11:23:20 1998  Jeffrey A Law  (law@cygnus.com)

        * mn10300_sim.h: Include bfd.h
        (struct state): Add more room for processor specific registers.
        (REG_E0): Define.

Thu Jun 25 10:12:03 1998  Joyce Janczyn  <janczyn@cygnus.com>

        * dv-mn103tim.c: Include sim-assert.h
        * dv-mn103ser.c (do_polling_event): Check for incoming data on
        serial line and schedule next polling event.
        (read_status_reg): schedule events to check for incoming data on
        serial line and issue interrupt if necessary.
        
Fri Jun 19 16:47:27 1998  Joyce Janczyn  <janczyn@cygnus.com>

        * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).

Fri Jun 19 11:59:26 1998  Joyce Janczyn  <janczyn@cygnus.com>

        * interp.c (board): Rename am32 to stdeval1 as this is the name
        consistently used to refer to the mn1030002 board.

Thu June 18 14:37:14 1998  Joyce Janczyn  <janczyn@cygnus.com>
        * interp.c (sim_open): Fix typo in address of EXTMD register
        (0x34000280, not 0x3400280).

Wed Jun 17 18:00:18 1998  Jeffrey A Law  (law@cygnus.com)

        * simops.c (syscall): Handle change in opcode # for syscall.
        * mn10300.igen (syscall): Likewise.

Tue June 16 09:36:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
        * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
        reset) are not enabled on reset.
        
Sun June 14 17:04:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
        * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
        register bits.
        * dv-mn103ser.c: Fill in methods for reading and writing to serial
        device registers.
        * interp.c (sim_open): Make the serial device a polling device.
        
Fri June 12 16:24:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
        * dv-mn103iop.c: New file for handling am32 io ports.
        * configure.in: Add mn103iop to hw_device list.
        * configure: Re-generate.
        * interp.c (sim_open): Create io port device.

Wed June 10 14:34:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
        * dv-mn103int.c (external_group): Use enumerated types to access
        correct group addresses.
        * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
        triggers an interrupt on the higher-numbered timer's port.

Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
        * interp.c: (mn10300_option_handler): New function parses arguments
        using sim-options.
        * (board): Add --board option for specifying am32.
        * (sim_open): Create new timer and serial devices and control
        configuration of other am32 devices via board option.
        * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
        * dv-mn103cpu.c: Fix typos in opening comments.
        * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
        * configure.in: Add mn103tim and mn103ser to hw_device list.
        * configure: Re-generate.

Mon May 25 20:50:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.

        * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
        sim-main.h. Declare a struct hw_descriptor instead of struct
        hw_device_descriptor.

Mon May 25 17:33:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
        to struct hw_event.

Fri May 22 12:17:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".

Wed May  6 13:29:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim_open): Create a polling PAL device.

Fri May  1 16:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * dv-mn103int.c (mn103int_port_event): 
        (mn103int_port_event): 
        (mn103int_io_read_buffer): 
        (mn103int_io_write_buffer): 

        * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
        (mn103cpu_port_event): Ditto.
        (mn103cpu_io_read_buffer): Ditto.
        (mn103cpu_io_write_buffer): Ditto.

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 15:19:55 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 11:19:07 1998  Tom Tromey  <tromey@cygnus.com>

        * configure.in: Don't call sinclude.

Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * mn10300_sim.h: Declare all functions in op_utils.c using
        INLINE_SIM_MAIN.
        * op_utils.c: Ditto.
        * sim-main.c: New file.  Include op_utils.c.
        
        * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
        differentiate between MOV/CMP immediate/register instructions.

        * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
        * configure: Regenerate.

Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (hw): Delete variable, moved to SIM_DESC.
        (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
        Handled by sim-module.
        (sim_open): Do not anotate tree with trace properties, handled by
        sim-hw.c
        (sim_open): Call sim_hw_parse instead of hw_tree_parse.

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>

        * dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
        on the stack when delivering interrupts (not just the lower
        half)...
        * mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
        specified in the wrong order.

Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
        succeeding interrupts, clear pending_handler when the handler
        isn't re-scheduled.

Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>

        * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
        script with $(SHELL) to make NT native builds happy.
        * configure:  Regenerate because of change to ../common/aclocal.m4.
        
Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure.in: Make --enable-sim-common the default.
        * configure: Re-generate.
        
        * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
        address into Sate.regs[REG_PC] instead of common struct.

Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>

        * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.

Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>

        * simops.c (OP_F0FD): Initialise variable 'sp'.

Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * dv-mn103int.c (decode_group): A group register every 4 bytes not
        8.
        (write_icr): Rewrite equation updating request field.
        (read_iagr): Fix check that interrupt is still pending.

Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim_open): Tidy up device creation.

        * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
        value.
        (mn103int_io_read_buffer): Convert absolute address to register
        block offsets.
        (read_icr, write_icr): Convert block offset into group offset.
        
Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim_open): Create second 1mb memory region at
        0x40000000.
        (sim_open): Create a device tree.
        (sim-hw.h): Include.
        (do_interrupt): Delete, needs to use dv-mn103cpu.c

        * dv-mn103int.c, dv-mn103cpu.c: New files.

Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
        Define.
        (SP): Define.
        
Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim-options.h): Include.
        (sim_kind, myname): Declare when not using common framework.

        * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
        functions found in op_utils.c

        * mn10300.igen (add): Discard unused variables.

        * configure, config.in: Re-generate with autoconf 2.12.1.
        
Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>

        Add support for --enable-sim-common option.
        * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
        ! --enable-sim-common
        (WITH_COMMON_OBJS): Files included if --enable-sim-common.
        (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
        (SIM_OBJS): Rewrite.
        ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
        (SIM_EXTRA_CFLAGS): New variable.
        (clean-extra): Clean up igen files.
        (../igen/igen,clean-igen,tmp-igen): New rules.
        * configure.in: Add support for common framework via 
        --enable-sim-common.
        * configure: Regenerate.
        * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
        (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
        (init_system,sim_write,compare_simops): Likewise.
        (sim_set_profile,sim_set_profile_size): Likewise.
        (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
        (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
        (enum interrupt_type): New enum.
        (interrupt_names): New global.
        (do_interrupt): New function.
        (sim_open): Define differently if WITH_COMMON.
        (sim_close,sim_create_inferior,sim_do_command): Likewise.
        * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
        for WITH_COMMON.
        * mn10300.igen: New file.
        * mn10300.dc: New file.
        * op_utils.c: New file.
        * sim-main.h: New file.

Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)

        * simops.c (inc): Fix typo.

Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)

        * simops.c (signed multiply instructions): Cast input operands to
        signed32 before casting them to signed64 so that the sign bit
        is propagated properly.

Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>

        * Makefile.in: Last change was bad.  Define NL_TARGET
        so that targ-vals.h will be used instead of syscall.h.
        * simops.c: Use targ-vals.h instead of syscall.h.
        (OP_F020): Disable unsupported system calls.

Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>

        * Makefile.in: Get header files from libgloss/mn10300/sys.

Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Include sim-types.h.

Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)

        * simops.c (multiply instructions): Cast input operands to a
        signed64/unsigned64 type as appropriate.

Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim_store_register, sim_fetch_register): Pass in
        length parameter.  Return -1.

Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.
        * config.in: Ditto.

Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c (call:16 call:32): Stack adjustment is determined solely
        by the imm8 field.

Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim_load): Pass lma_p and sim_write args to
        sim_load_file.

Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Correctly handle register restores for "ret" and "retf"
        instructions.

Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * 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.

Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

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.

Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim_kill): Delete.
        (sim_create_inferior): Add ABFD argument.
        (sim_load): Move setting of PC from here.
        (sim_create_inferior): To here. 

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 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim_open): Add ABFD argument.

Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)

        * interp.c (sim_resume): Clear State.exited.
        (sim_stop_reason): If State.exited is nonzero, then indicate that
        the simulator exited instead of stopped.
        * mn10300_sim.h (struct _state): Add exited field.
        * simops.c (syscall): Set State.exited for SYS_exit.

Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix thinko in last change.

Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: "call" stores the callee saved registers into the
        stack!  Update the stack pointer properly when done with
        register saves.

        * simops.c: Fix return address computation for "call" instructions.

Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)

        * interp.c (sim_open): Fix typo.

Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)

        * interp.c (sim_resume): Add missing case in big switch
        statement (for extb instruction).

Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)

        * interp.c: Replace all references to load_mem and store_mem
        with references to load_byte, load_half, load_3_byte, load_word
        and store_byte, store_half, store_3_byte, store_word.
        (INLINE): Delete definition.
        (load_mem_big): Likewise.
        (max_mem): Make it global.
        (dispatch): Make this function inline.
        (load_mem, store_mem): Delete functions.
        * mn10300_sim.h (INLINE): Define.
        (RLW): Delete unused definition.
        (load_mem, store_mem): Delete declarations.
        (load_mem_big): New definition.
        (load_byte, load_half, load_3_byte, load_word): New functions.
        (store_byte, store_half, store_3_byte, store_word): New functions.
        * simops.c:  Replace all references to load_mem and store_mem
        with references to load_byte, load_half, load_3_byte, load_word
        and store_byte, store_half, store_3_byte, store_word.

Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim_open): Add callback to arguments.
        (sim_set_callbacks): Delete SIM_DESC argument.

Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)

        * interp.c (dispatch): Make this an inline function.

        * simops.c (syscall): Use callback->write regardless of
        what file descriptor we're writing too.

Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)

        * interp.c (load_mem_big): Remove function.  It's now a macro
        defined elsewhere.
        (compare_simops): New function.
        (sim_open): Sort the Simops table before inserting entries
        into the hash table.
        * mn10300_sim.h: Remove unused #defines.
        (load_mem_big): Define.

Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)

        * interp.c (load_mem): If we get a load from an out of range
        address, abort.
        (store_mem): Likewise for stores.
        (max_mem): New variable.

Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)

        * mn10300_sim.h: Fix ordering of bits in the PSW.

        * interp.c: Improve hashing routine to avoid long list
        traversals for common instructions.  Add HASH_STAT support.
        Rewrite opcode dispatch code using a big switch instead of
        cascaded if/else statements.  Avoid useless calls to load_mem.

Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)

        * mn10300_sim.h (struct _state): Add space for mdrq register.
        (REG_MDRQ): Define.
        * simops.c: Don't abort for trap.  Add support for the extended
        instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
        and "bsch".

Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * interp.c (sim_stop): Add stub function.

Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>

        * Makefile.in (SIM_OBJS): Add sim-load.o.
        * interp.c (sim_kind, myname): New static locals.
        (sim_open): Set sim_kind, myname.  Ignore -E arg.
        (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
        load file into simulator.  Set start address from bfd.
        (sim_create_inferior): Return SIM_RC.  Delete arg start_address.

Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
        only include if implemented by host.
        (OP_F020): Typecast arg passed to time function;

Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c (syscall): Handle new mn10300 calling conventions.

Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.
        * config.in: Ditto.

Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>

        * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
        corresponding change in opcodes directory.

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.

Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix register extraction for a two "movbu" variants.
        Somewhat simplify "sub" instructions.
        Correctly sign extend operands for "mul".  Put the correct
        half of the result in MDR for "mul" and "mulu".
        Implement remaining instructions.
        Tweak opcode for "syscall".

Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Do syscall emulation in "syscall" instruction.  Add
        dummy "trap" instruction.

Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

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 12:54:45 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.

Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix carry bit computation for "add" instructions.

        * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
        for bset imm8,(d8,an) and bclr imm8,(d8,an).

Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix register references when computing Z and N bits
        for lsr imm8,dn.

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 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)

        * interp.c (init_system): Allocate 2^19 bytes of space for the
        simulator.

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.

Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Undo last change to "rol" and "ror", original code
        was correct!

Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix "rol" and "ror".

Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix typo in last change.

Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Use REG macros in few places not using them yet.

Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)

        * mn10300_sim.h (struct _state): Fix number of registers!

Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)

        * mn10300_sim.h (struct _state): Put all registers into a single
        array to make gdb implementation easier.
        (REG_*): Add definitions for all registers in the state array.
        (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
        * simops.c: Related changes.

Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)

        * interp.c (sim_resume): Handle 0xff as a single byte insn.

        * simops.c: Fix overflow computation for "add" and "inc"
        instructions.

Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Handle "break" instruction.

        * simops.c: Fix restoring the PC for "ret" and "retf" instructions.

Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)

        * gencode.c (write_opcodes): Also write out the format of the
        opcode.
        * mn10300_sim.h (simops): Add "format" field.
        * interp.c (sim_resume): Deal with endianness issues here.

Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c (REG0_4): Define.
        Use REG0_4 for indexed loads/stores.

Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c (REG0_16): Fix typo.

Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Call abort for any instruction that's not currently
        simulated.

        * simops.c: Define accessor macros to extract register
        values from instructions.  Use them consistently.

        * interp.c: Delete unused global variable "OP".
        (sim_resume): Remove unused variable "opcode".
        * simops.c: Fix some uninitialized variable problems, add
        parens to fix various -Wall warnings.

        * gencode.c (write_header): Add "insn" and "extension" arguments
        to the OP_* declarations.
        (write_template): Similarly for function templates.
        * interp.c (insn, extension): Remove global variables.  Instead
        pass them as arguments to the OP_* functions.
        * mn10300_sim.h: Remove decls for "insn" and "extension".
        * simops.c (OP_*): Accept "insn" and "extension" as arguments
        instead of using globals.

Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"

        * simops.c: Fix thinkos in last change to "inc dn".

Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c: "add imm,sp" does not effect the condition codes.
        "inc dn" does effect the condition codes.

Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Treat both operands as signed values for
        "div" instruction.

        * simops.c: Fix simulation of division instructions.
        Fix typos/thinkos in several "cmp" and "sub" instructions.

Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix carry bit handling in "sub" and "cmp"
        instructions.

        * simops.c: Fix "mov imm8,an" and "mov imm16,dn".

Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix overflow computation for many instructions.

        * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".

        * simops.c: Fix "mov am, dn".

        * simops.c: Fix more bugs in "add imm,an" and
        "add imm,dn".

Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Fix bugs in "movm" and "add imm,an".

        * simops.c: Don't lose the upper 24 bits of the return
        pointer in "call" and "calls" instructions.  Rough cut
        at emulated system calls.

        * simops.c: Implement the remaining 5, 6 and 7 byte instructions.

        * simops.c: Implement remaining 4 byte instructions.

        * simops.c: Implement remaining 3 byte instructions.

        * simops.c: Implement remaining 2 byte instructions.  Call
        abort for instructions we're not implementing now.

Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)

        * simops.c: Implement lots of random instructions.

        * simops.c: Implement "movm" and "bCC" insns.

        * mn10300_sim.h (_state): Add another register (MDR).
        (REG_MDR): Define.
        * simops.c: Implement "cmp", "calls", "rets", "jmp" and
        a few additional random insns.

        * mn10300_sim.h (PSW_*): Define for CC status tracking.
        (REG_D0, REG_A0, REG_SP): Define.
        * simops.c: Implement "add", "addc" and a few other random
        instructions.

        * gencode.c, interp.c: Snapshot current simulator code.

Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)

        * Makefile.in, config.in, configure, configure.in: New files.
        * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.