[thirdparty/binutils-gdb.git] / sim / mn10300 / ChangeLog

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.

start-sanitize-am33
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.

end-sanitize-am33
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.

start-sanitize-am33
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.

end-sanitize-am33
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.

start-sanitize-am33
	* 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.
end-sanitize-am33

start-sanitize-am33
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.

end-sanitize-am33
Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300_sim.h (FETCH24): Define.

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

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.
start-sanitize-am33
	(REG_E0): Define.
end-sanitize-am33

start-sanitize-am30
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).

end-sanitize-am30
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.

start-sanitize-am30
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.

end-sanitize-am30
Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
	* interp.c: (mn10300_option_handler): New function parses arguments
	using sim-options.
start-sanitize-am30
	* (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.
end-sanitize-am30

start-sanitize-am30
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.

end-sanitize-am30
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.

start-sanitize-am30
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.

end-sanitize-am30
start-sanitize-am30
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.

end-sanitize-am30
start-sanitize-am30
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.

end-sanitize-am30
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'.

start-sanitize-am30
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.

end-sanitize-am30
start-sanitize-am30
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.
	
end-sanitize-am30
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.
start-sanitize-am30
	(do_interrupt): Delete, needs to use dv-mn103cpu.c

	* dv-mn103int.c, dv-mn103cpu.c: New files.
end-sanitize-am30

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.