changelog

这个是LINUX下的GDB调度工具的源码

	* registers.c (fr400_spr): Enable write access to HSR0.CBM.
	* profile.h (FRV_PROFILE_STATE): New field 'all_cache_entries'.
	* profile.c (CACHE_QUEUE_ELEMENT): New 'all' field.
	(request_cache_flush): Save 'all' argument.
	(request_cache_invalidate): Save all_cache_entries from profile state
	to 'all' field of the request.
	(submit_cache_request): Pass the 'all' field of the request to
	frv_cache_request_invalidate.
	* frv.c (frv_insn_cache_invalidate): Add new 'all' parameter. Perform
	operation even if HSR0.ICE is not set.
	(frv_data_cache_invalidate): Add new 'all' parameter. Perform
	operation even if HSR0.DCE is not set.
	(frv_data_cache_flush): Ditto.
	* frv-sim.h (frv_insn_cache_invalidate): Add new 'all' parameter.
	(frv_data_cache_invalidate): Add new 'all' parameter.
	(frv_data_cache_flush): Add new 'all' parameter.
	* cache.h (FRV_CACHE_INVALIDATE_REQUEST): Add new 'all' field.
	(frv_cache_request_invalidate): Add new 'all' parameter.
	* cache.c (frv_cache_request_invalidate): Add new 'all' parameter. Save
	its value in the invalidate request.
	(address_interference): Accept the value '-1' for the address argument
	to mean 'any address'.
	(handle_req_invalidate): Handle request to invalidate all cache lines.
	* cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.

2001-05-14  Dave Brolley  <[e-mail]>

	* profile.h (past_first_p): New field of profiling state.
	(branch_penalty): Ditto.
	(branch_hint): Ditto.
	(update_branch_penalty): New function.
	* profile.c (frvbf_model_insn_after): Reset past_first_p and
	branch_address fields of the profiling state.
	(frvbf_model_branch): New function.
	(update_branch_penalty): New function.
	* profile-fr500.c (frvbf_model_fr500_u_branch): Remove ICCi_3 and
	FCCi_3 inputs.
	(frvbf_model_fr500_u_trap): New function.
	(frvbf_model_fr500_u_check): New function.
	(frvbf_model_fr500_u_media_dual_htob): post-processing latency is 3
	cycles.
	* profile-fr400.c (frvbf_model_fr400_u_branch): Set branch penalties
	as documented in the fr400 LSI. Remove ICCi_3 and FCCi_3 inputs.
	(frvbf_model_fr400_u_media_dual_expand): Check resource usage as
	documented in teh fr400 LSI.
	(frvbf_model_fr400_u_media_dual_htob): Ditto.
	(frvbf_model_fr400_u_media_dual_unpack): Removed.
	(frvbf_model_fr500_u_trap): New function.
	(frvbf_model_fr500_u_check): New function.
	* mloop.in (simulate_dual_insn_prefetch): New function.
	(@cpu@_simulate_insn_prefetch): Call simulate_dual_insn_prefetch with
	arguments for each machine type.
	* arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.

2001-05-09  Dave Brolley  <[e-mail]>

	* Makefile.in (profile.o): Add profile-fr400.h as a dependency.
	(profile-fr400.o): New target.
	* profile.c: New file.
	* profile.h: New file.
	* profile-fr400.c: New file.
	* profile-fr400.h: New file.
	* profile-fr500.c: New file.
	* profile-fr500.h: New file.
	* arch.h,cpu.h,decode.c,decode.h,model.c,sem.c: Regenerate.

2001-05-02  Dave Brolley  <[e-mail]>

	* sim-main.h (profile.h): #include it.
	(CPU_PROFILE_STATE): New macro.
	(profile_state): New frv specific cpu field.
	* reset.c (frv_initialize): insn_fetch_address and branch_address now
	part of global profiling state.
	* Makefile.in (SIM_OBJS): Add profile.o and profile-fr500.o.
	(SIM_EXTRA_DEPS): Add profile.h.
	(registers.o): Correct name of source file.
	(profile.o): New target.
	(profile-fr500.o): New target.
	* frv-sim.h: Move profile related data structures to profile.h.
	* frv.c: Move fr500 specific functions to profile-fr500.c.
	* cpu.h: Regenerated.

2001-04-27  Dave Brolley  <[e-mail]>

	* sim-main.h (CPU_PIPELINE): Renamed to CPU_VLIW.
	* interrupts.c: Rename FRV_PIPELINE to FRV_VLIW.
	Rename pipeline to vliw. Rename CPU_PIPELINE to CPU_VLIW.
	Rename PIPE_* to UNIT_*.
	(frv_queue_illegal_instruction_interrupt): Use
	frv_is_float_insn and frv_is_media_insn.
	(frv_queue_non_implemented_instruction_interrupt): Ditto.
	(frv_detect_insn_access_interrupts): Ditto.
	* frv.c: Rename FRV_PIPELINE to FRV_VLIW. Rename pipeline to vliw.
	Rename CPU_PIPELINE to CPU_VLIW. Rename PIPE_* to UNIT_*.
	* memory.c: Ditto.
	* pipeline.c: Ditto.
	* mloop.in: Ditto.
	* frv-sim.h (frv_pipeline_setup_insn): Renamed to frv_vliw_setup_insn.
	* cache.c: Rename PIPE_* to UNIT_*.

2001-04-24  Dave Brolley  <[e-mail]>

	* frv.c (frvbf_load_quad_GR): Delete have_data and hsr0.
	(frvbf_load_quad_FRint): Ditto.
	(frvbf_load_quad_CPR): Ditto.
	* cache.c (frv_cache_init): Initialize cache for fr400 vs other
	machines.
	(bfd.h): #include it.
	(non_cache_access): Update for revised fr500 and for fr400.
	* registers.c (frv_spr): Don't reset PSR.PS.
	(fr500_spr): Ditto.
	(frv_reset_spr): Set PSR.PS to the former value of PSR.S.

2001-04-23  Dave Brolley  <[e-mail]>

	* traps.c (frv_core_signal): On fr400, generate data_access_error.
	(frvbf_media_cr_not_aligned): On fr400, generate illegal_instruction.
	(frvbf_media_acc_not_aligned): Ditto.
	(frvbf_media_register_not_aligned): Ditto.
	(frvbf_division_exception): Use GET_ISR_EDE.
	* registers.c (frv_check_spr_read_access): New function.
	(frv_check_spr_write_access): New function.
	(frv_check_spr_access): Deleted.
	(frv_check_register_access): On fr400, generate illegal_instruction.
	* memory.c (fr400_check_data_read_address): New function.
	(fr500_check_data_read_address): Ditto.
	(check_data_read_address): Ditto.
	(fr400_check_insn_read_address): Ditto.
	(fr500_check_insn_read_address): Ditto.
	(check_insn_read_address): Ditto.
	(frvbf_read_mem_QI): Call check_data_read_access.
	(frvbf_read_mem_UQI): Ditto.
	(frvbf_read_mem_HI): Ditto.
	(frvbf_read_mem_UHI): Ditto.
	(frvbf_read_mem_SI): Ditto.
	(frvbf_read_mem_DI): Ditto.
	(frvbf_read_mem_DF): Ditto.
	(frvbf_read_imem_USI): Call check_insn_read_access.
	(frv_address_forbidden): Now takes cpu as first argument. Check based
	on machine type.
	(fr400_mem_address_unaligned): New function.
	(fr500_mem_address_unaligned): Ditto.
	(check_write_address): Ditto.
	(frvbf_mem_set_QI): Call check_write_address.
	(frvbf_mem_set_HI): Ditto.
	(frvbf_mem_set_SI): Ditto.
	(frvbf_mem_set_DI): Ditto.
	(frvbf_mem_set_DF): Ditto.
	(frvbf_mem_set_XI): Ditto.
	* interrupts.c (bfd.h): #include it.
	(frv_queue_data_access_error_interrupt): New function.
	(frv_queue_instruction_access_error_interrupt): New function.
	(frv_queue_instruction_access_exception_interrupt): New function.
	(frv_queue_illegal_instruction_interrupt): No fp_exception on fr400.
	(frv_queue_non_implemented_instruction_interrupt): Ditto.
	(frv_detect_insn_access_interrupts): Reorder tests to match priority
	from the LSI manual.
	(set_isr_exception_fields): Accumulate dtt bits.
	* frv.c (check_register_alignment): New function.
	(check_fr_register_alignment): New function.
	(check_memory_alignment): New function.
	(frvbf_h_gr_double_get_handler): Call check_register_alignment.
	(frvbf_h_gr_double_set_handler): Ditto.
	(frvbf_h_cpr_double_get_handler): Ditto.
	(frvbf_h_cpr_double_set_handler): Ditto.
	(frvbf_h_gr_quad_set_handler): Ditto.
	(frvbf_h_cpr_quad_set_handler): Ditto.
	(frvbf_h_fr_double_get_handler): Call check_fr_register_alignment.
	(frvbf_h_fr_double_set_handler): Ditto.
	(frvbf_h_fr_quad_set_handler): Ditto.
	(frvbf_h_spr_get_handler): Call frv_check_spr_read_access.
	(frvbf_h_spr_set_handler): Call frv_check_spr_write_access.
	(frvbf_load_quad_GR): Call check_memory_aligment.
	(frvbf_load_quad_FRint): Ditto.
	(frvbf_load_quad_CPR): Ditto.
	(frvbf_store_quad_GR): Call check_memory_aligment and
	check_register_alignment.
	(frvbf_store_quad_FRint): Ditto.
	(frvbf_store_quad_CPR): Ditto.
	(frvbf_signed_integer_divide: Use GET_ISR_EDEM.
	* frv-sim.h (H_SPR_ACC0): New macro.
	(H_SPR_ACC63): New macro.
	(H_SPR_ACCG0): New macro.
	(H_SPR_ACCG63): New macro.
	(frv_dtt): New enumerator.
	(GET_ISR_EDE): Renamed from GET_ISR_EDEM.
	(GET_ISR_DTT): New macro.
	(frv_queue_data_access_error_interrupt): New function.
	(frv_queue_instruction_access_error_interrupt): New function.
	(frv_queue_instruction_access_exception_interrupt): New function.
	(frv_address_forbidden): Now takes cpu as first argument.
	* cpu.h: Regenerate.

2001-04-10  Dave Brolley  <[e-mail]>

	* registers.c (fr500_spr): Add new fields to fr500 PSR register.
	(fr500_spr): Add STBAR and MMCR unimplemented registers for fr500.
	(fr400_spr): Implement SPR registers for fr400.
	(frv_register_control_init): Handle bfd_mach_fr400 properly.
	* frv.c (spr_bpsr_get_handler): Mask field before shifting.
	(spr_psr_get_handler): Ditto.
	(spr_ccr_get_handler): Ditto.
	(spr_cccr_get_handler): Ditto.
	(frvbf_clear_accumulators): Only 4 accumulators on fr400.
	* frv-sim.h: Update comment about MCCR_* macros.
	* cpu.c,cpu.h: Regenerate.

2001-04-05  Dave Brolley  <[e-mail]>

	* cpu.h,decode.c,model.c,sem.c:	Regenerate.

2001-04-05  Dave Brolley  <[e-mail]>

	* reset.c: Update copyright.
	* registers.c (frv_register_control_init): Handle bfd_mach_fr400.
	* frv.c (frvbf_model_fr400_u_exec): New function.
	* Makefile.in (stamp-cpu): Add fr400 to list of machines.
	* arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
	Regenerate.

2000-11-22  Dave Brolley  <[e-mail]>

	* arch.c,arch.h,cpu.c,cpu.h,cpuall.h,model.h,decode.c,decode.h,sem.c:
	Regenerate.

2000-11-10  Dave Brolley  <[e-mail]>

	* decode.c: Regenerate.

2000-09-12  Dave Brolley  <[e-mail]>

	* traps.c (frv_sim_engine_halt_hook): New function.
	(frv_itrap): Caches now invalidated in sim_engine_halt via
	SIM_ENGINE_HALT_HOOK.
	(frv_break): Ditto.
	* sim-main.h (frv_sim_engine_halt_hook): New function.
	(SIM_ENGINE_HALT_HOOK): New macro.
	(SIM_ENGINE_RESTART_HOOK): New macro.
	* interrupts.c: Call to frv_term now done within sim_engine_halt via
	SIM_ENGINE_HALT_HOOK.

2000-09-08  Dave Brolley  <[e-mail]>

	* traps.c (frv_itrap): Invalidate and flush the data and insn caches
	respectively when stopping for a breakpoint.
	(frv_break): Ditto.
	* cache.h (frv_cache_invalidate_all): New function.
	* cache.c (frv_cache_invalidate_all): New function.

2000-09-05  Dave Brolley  <[e-mail]>

	* traps.c (frv_break): If SIM_HAVE_BREAKPOINTS, call
	sim_handle_breakpoint. Otherwise if environment != operating call
	sim_engine_halt. Otherwise handle normally.
	* interrupts.c (frv_queue_break_interrupt): Don't handle debugger
	breakpoints here. Moved to frv_break in traps.c.

	* sem.c: Regenerate.

2000-09-01  Dave Brolley  <[e-mail]>

        * interrupts.c (frv_queue_break_interrupt): Call sim_handle_breakpoint
	before queuing an interrupt in order to allow 'break' to be used as
	the breakpoint insn.

2000-08-29  Dave Brolley  <[e-mail]>

	* traps.c (frv_itrap): Invalidate the insn cache at a breakpoint.

2000-07-27  Dave Brolley  <[e-mail]>

	* cpu.h,decode.c: Rebuild.

2000-07-26  Dave Brolley  <[e-mail]>

	* frv.c (spr_cccr_get_handler): Change CRx to CCx.
	(spr_cccr_set_handler): Change CRx to CCx.
	* cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.

2000-07-24  Dave Brolley  <[e-mail]>

	* sem.c: Regenerate.
	* frv.c (frvbf_unsigned_integer_divide): Queue a write for the result.
	Don't write it directly.

Thu Jul  6 13:51:12 2000  Dave Brolley  <brolley@topaz>

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

2000-07-05  Ben Elliston  <[e-mail]>

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

2000-06-28  Dave Brolley  <[e-mail]>

	* cpu.h,decode.c,decode.h,model.c,sem.c: Rebuild.

2000-06-21  Dave Brolley  <[e-mail]>

	* pipeline.c: All code except frv_pipeline_setup_insn moved to
	frv.opc.
	* mloop.in (main loop): frv_pipeline_add_insn broken up into
	frv_pipeline_add_insn and frv_pipeline_setup_insn.
	* frv-sim.h: Move pipeline status code to frv.opc.
	* model.c: Regenerate.

2000-06-12  Dave Brolley  <[e-mail]>

	* options.c (frv_option_handler): --profile-parallel implies
	--profile-model.
	* mloop.in (fetch_buffer): Removed.
	(@cpu@_simulate_insn_prefetch): Monitoring of fetch buffer moved to
	run_caches.  Use cache directly if not counting cycles.  Don't use
	cache at all if not counting cycles and cache not enabled.
	* frv.c (frv_insn_fetch_buffer): New global variable. 
	(run_caches): Monitor the status of insn prefetch requests.
	* frv-sim.h (FRV_INSN_FETCH_BUFFER): New struct type.