changelog

这个是LINUX下的GDB调度工具的源码

2004-06-26  Alexandre Oliva  <[e-mail]>

	2000-08-07  Graham Stott  <[e-mail]>
	* am33-2.igen (fmadd, fmsub, fmnadd, fmnsub): Correct typo.
	2000-05-29  Alexandre Oliva  <[e-mail]>
	* interp.c (fpu_disabled_exception, fpu_unimp_exception,
	fpu_check_signal_exception): Take additional state arguments.
	Print exception type and call program_interrupt.  Adjust callers.
	(fpu_rsqrt, fpu_cmp, fpu_add, fpu_sub, fpu_mul, fpu_div,
	fpu_fmadd, fpu_fmsub, fpu_fnmadd, fpu_fnmsub): Take additional
	arguments.
	* mn10300_sim.h (fpu_disabled_exception, fpu_unimp_exception,
	fpu_check_signal_exception): Adjust prototypes.
	(fpu_rsqrt, fpu_cmp, fpu_add, fpu_sub, fpu_mul, fpu_div,
	fpu_fmadd, fpu_fmsub, fpu_fnmadd, fpu_fnmsub): Likewise.
	* am33-2.igen: Adjust calls.
	2000-05-19  Alexandre Oliva  <[e-mail]>
	* op_utils.c (cmp2fcc): Moved...
	* interp.c: ... here.
	2000-05-18  Alexandre Oliva  <[e-mail]>
	* am33-2.igen: Use `unsigned32', `signed32', `unsigned64' or
	`signed64' where type width is relevant.
	2000-05-15  Alexandre Oliva  <[e-mail]>
	* mn10300_sim.h: Include sim-fpu.h.
	(FD2FPU, FPU2FD): Enclose the FD argument in parentheses.
	(fpu_check_signal_exception): Declare.
	(struct fp_prec_t, fp_single_prec, fp_double_prec): Likewise.
	(FP_SINGLE, FP_DOUBLE): Shorthands for fp_*_prec.
	(fpu_rsqrt, fpu_cmp, fpu_add, fpu_sub, fpu_mul, fpu_div,
	fpu_fmadd, fpu_fmsub, fpu_fnmadd, fpu_fnmsub): Declare.
	* interp.c (fpu_disabled_exception): Document.
	(fpu_unimp_exception): Likewise.
	(fpu_check_signal_exception): Define.
	(reg2val_32, round_32, val2reg_32, fp_single_prec): Likewise.
	(reg2val_64, round_64, val2reg_64, fp_double_prec): Likewise.
	(REG2VAL, ROUND, VAL2REG): Define shorthands.
	(fpu_status_ok): Define.
	(fpu_rsqrt, fpu_cmp, fpu_add, fpu_sub, fpu_mul, fpu_div,
	fpu_fmadd, fpu_fmsub, fpu_fnmadd, fpu_fnmsub): Define.
	* am33-2.igen (frsqrt, fcmp, fadd, fsub, fmul, fdiv,
	fmadd, fmsub, fnmadd, fnmsub): Use new functions.
	2000-04-27  Alexandre Oliva  <[e-mail]>
	* interp.c (sim_create_inferior): Set PSW bit to enable FP insns
	if architecture is AM33/2.0.
	* am33.igen: Include am33-2.igen.
	2000-04-23  Alexandre Oliva  <[e-mail]>
	* mn10300.igen (movm, call, ret, retf): Check for am33_2 too.
	* am33.igen (movm): Likewise.
	2000-04-19  Alexandre Oliva  <[e-mail]>
	* am33.igen: Added `*am33_2' to some instructions that were
	missing it.
	2000-04-07  Alexandre Oliva  <[e-mail]>
	* am33-2.igen: New file.  All insns implemented, but FP flags are
	only set for fcmp, exceptional conditions are not handled yet.
	* Makefile.in (IGEN_INSN): Added am33-2.igen.
	(tmp-igen): Added -M am33_2.
	* mn10300.igen, am33.igen: Added `*am33_2' to all insns.
	* gencode.c: Support FMT_D3.
	* mn10300_sim.h (dword): New type.
	(struct _state): Added fpregs.
	(REG_FPCR, FPCR): New define.  All assorted bitmaps.
	(XS2FS, AS2FS, Xf2FD): New macros.
	(FS2FPU, FD2FPU, FPU2FS, FPU2FD): Likewise.
	(load_dword, store_dword): New functions or macros.
	(u642dw, dw2u64): New functions.
	(fpu_disabled_exception, fpu_unimp_exception): Declared.
	* interp.c (fpu_disabled_exception): Defined; no actual
	implementation.
	(fpu_unimp_exception): Likewise.
	* op_utils.c (cmp2fcc): New function.

	* interp.c, mn10300_sim.h, op_utils.c: Convert function prototypes
	and definitions to ISO C.

	* gencode.c, simops.c: Delete.
	* Makefile.in: Remove non-COMMON dependencies and commands.

	* configure.in: Use common simulator always.  Don't subst sim_gen
	nor mn10300_common.
	* configure: Rebuilt.
	* Makefile.in (WITHOUT_COMMON_OBJS, WITHOUT_COMMON_INTERP_DEP,
	WITHOUT_COMMON_RUN_OBJS): Remove.
	(WITH_COMMON_OBJS): Rename to MN10300_OBJS.
	(WITH_COMMON_INTERP_DEP): Rename to MN10300_INTERP_DEP.
	(WITH_COMMON_RUN_OBJS): Rename to SIM_RUN_OBJS.
	(SIM_EXTRA_CFLAGS): Don't use @sim_gen@.
	* interp.c: Remove non-common bits.
	* mn10300_sim.h: Likewise.

2003-08-28  Andrew Cagney  <[e-mail]>

	* dv-mn103ser.c (do_polling_event): Change type of "serial_reg" to
	"long".
	(read_status_reg): Cast "serial_reg" to "long".
	* dv-mn103tim.c (do_counter_event): Change type of "timer_nr" to
	"long".
	(do_counter6_event, write_mode_reg, write_tm6md): Ditto.

2003-02-27  Andrew Cagney  <[e-mail]>

	* interp.c (sim_open, sim_create_inferior, sim_open)
	(sim_create_inferior): Rename _bfd to bfd.

2003-02-26  Andrew Cagney  <[e-mail]>

	* am33.igen: Call sim_engine_abort instead of abort.

2003-02-26  David Carlton  <[e-mail]>

	* dv-mn103tim.c (read_special_timer6_reg): Add break after
	empty default: label.
	(write_special_timer6_reg): Ditto.
	Update copyright.

2002-11-28  Andrew Cagney  <[e-mail]>

	* sim-main.h: Only include "idecode.h" once.
	* Makefile.in (SIM_EXTRA_DEPS): Define.

2002-06-16  Andrew Cagney  <[e-mail]>

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

2002-06-09  Andrew Cagney  <[e-mail]>

	* Makefile.in (INCLUDE): Update path to callback.h.
	* mn10300_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
	* tconfig.in: Ditto.

2001-05-06  Jim Blandy  <[e-mail]>

	* mn10300.igen: Doc fixes.
	
2001-04-26  Alexandre Oliva  <[e-mail]>

	* Makefile.in (idecode.o, op_utils.o, semantics.o, simops.o):
	Depend on targ-vals.h.

2001-04-15  J.T. Conklin  <[e-mail]>

	* Makefile.in (simops.o): Add simops.h to dependency list.

Wed Aug  9 02:24:53 2000  Graham Stott  <[e-mail]>

	* am33.igen: Warning clean-up.
	(movm): Initialize PC and mask.
	(mov, movbu, movhu): Set srcreg2 from RI0.
	(bsch): Initialize c.
	(sat16_cmp): Actually do the comparison.
	(mov_llt): Do not overwrite dstreg with uninitialized variable.

Tue May 23 21:39:23 2000  Andrew Cagney  <[e-mail]>

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

2000-05-22  Alexandre Oliva  <[e-mail]>

	* am33.igen: Fix leading comments of SP-relative offset insns that
	referred to other registers.  Make their offsets unsigned.

2000-05-18  Alexandre Oliva  <[e-mail]>

	* mn10300_sim.h (genericAdd, genericSub, genericCmp, genericOr,
	genericXor, genericBtst): Use `unsigned32'.
	* op_utils.c: Likewise.
	* mn10300.igen, am33.igen: Use `unsigned32', `signed32',
	`unsigned64' or `signed64' where type width is relevant.

2000-04-25  Alexandre Oliva  <[e-mail]>

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

2000-04-09  Alexandre Oliva  <[e-mail]>

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

2000-03-03  Alexandre Oliva  <[e-mail]>

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

Thu Sep  2 18:15:53 1999  Andrew Cagney  <[e-mail]>

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

Tue Jul 13 13:26:20 1999  Andrew Cagney  <[e-mail]>

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

1999-05-08  Felix Lee  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	
1999-04-16  Frank Ch. Eigler  <[e-mail]>

	* 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  <[e-mail]>

	* 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  <[e-mail]>

	* 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  ([e-mail])

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

1998-12-29  Frank Ch. Eigler  <[e-mail]>

	* 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 <[e-mail]> and <[e-mail]>
	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  ([e-mail])

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

Mon Aug 31 10:19:55 1998  Jeffrey A Law  ([e-mail])

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

Fri Aug 28 14:40:49 1998  Joyce Janczyn  <[e-mail]>

	* 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  <[e-mail]>

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

Mon Aug 24 11:50:09 1998  Joyce Janczyn  <[e-mail]>

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

Wed Aug 12 12:36:07 1998  Jeffrey A Law  ([e-mail])

	* 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  ([e-mail])

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

Mon Jul 27 12:04:17 1998  Jeffrey A Law  ([e-mail])

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

Fri Jul 24 18:15:21 1998  Joyce Janczyn  <[e-mail]>

	* 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  ([e-mail])

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

Thu Jul 23 10:05:28 1998  Jeffrey A Law  ([e-mail])

	* am33.igen: Add some missing instructions.

	* am33.igen: Autoincrement loads/store fixes.

Tue Jul 21 09:48:14 1998  Jeffrey A Law  ([e-mail])

	* am33.igen: Add mov_lCC DSP instructions.

	* am33.igen: Add most am33 DSP instructions.

Thu Jul  9 10:06:55 1998  Jeffrey A Law  ([e-mail])

	* 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  ([e-mail])

	* 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  ([e-mail])

	* 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  ([e-mail])

	* 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  ([e-mail])

	* 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  <[e-mail]>

	* 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  <[e-mail]>

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

Fri Jun 19 11:59:26 1998  Joyce Janczyn  <[e-mail]>