changelog

这个是LINUX下的GDB调度工具的源码

2004-06-15  Alan Modra  <[e-mail]>

	* interp.c (sim_prepare_for_program): Use bfd_get_section_size
	instead of bfd_get_section_size_before_reloc.

2003-08-08  Stephane Carrez  <[e-mail]>

	* dv-m68hc11tim.c (cycle_to_string): Add flags parameter to better
	control the translation.
	(m68hc11tim_print_timer): Update cycle_to_string conversion.
	(m68hc11tim_timer_event): Fix handling of output
	compare register with its interrupts.
	(m68hc11tim_io_write_buffer): Check output compare
	after setting M6811_TMSK1.
	(m68hc11tim_io_read_buffer): Fix compilation warning.
	* dv-m68hc11.c (m68hc11_option_handler): Likewise.
	* dv-m68hc11spi.c (m68hc11spi_info): Likewise.
	* dv-m68hc11sio.c (m68hc11sio_info): Likewise.
	* interrupts.c (interrupts_info): Likewise.
	(interrupts_reset): Recognize bootstrap mode.
	* sim-main.h (PRINT_CYCLE, PRINT_TIME): New defines.
	(_sim_cpu): Add cpu_start_mode.
	(cycle_to_string): Add flags member.
	* m68hc11_sim.c (OPTION_CPU_BOOTSTRAP): New option.
	(cpu_options): Declare new option bootstrap.
	(cpu_option_handler): Handle it.
	(cpu_info): Update call to cycle_to_string.

2003-08-08  Stephane Carrez  <[e-mail]>

	* sim-main.h (phys_to_virt): Use memory bank parameters to translate
	the physical address in virtual address.
	(struct _sim_cpu): Add memory bank members.
	* m68hc11_sim.c (cpu_initialize): Clear memory bank parameters.
	* interp.c (sim_hw_configure): Create memory bank according to memory
	bank parameters.
	(sim_get_bank_parameters): New function to obtain memory bank config
	from the symbol table.
	(sim_prepare_for_program): Call it to obtain the memory bank parameters.
	(sim_open): Call sim_prepare_for_program.
	* dv-m68hc11.c (m68hc11cpu_io_write_buffer): Use memory bank parameters
	to check if address is within bank window.
	(m68hc11cpu_io_read_buffer): Likewise.
	(attach_m68hc11_regs): Map the memory bank according to memory bank
	parameters.

2003-08-08  Stephane Carrez  <[e-mail]>,

	* sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb.

2003-08-08  Stephane Carrez  <[e-mail]>,
	    Gary Piercey <[e-mail]>

	* m68hc11_sim.c (print_io_word): New function to print 16-bit value.
	* sim-main.h (print_io_word): Declare.
	* dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1.
	(tflg1_desc): Likewise for TFLG1.
	(m68hc11tim_info): Print input and output compare registers

2003-03-02  Stephane Carrez  <[e-mail]>

	* Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE
	to 32 to support memory bank switching; temporarily use 32-bit for
	WORD_BITSIZE to avoid a bug in sim-common.

2003-03-01  Stephane Carrez  <[e-mail]>

	* interp.c (sim_fetch_register): Only store a single byte for
	1 byte registers.

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

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

2002-08-13  Stephane Carrez  <[e-mail]>

	* dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.

2002-08-13  Marko Kohtala  <[e-mail]>

	* interp.c (sim_prepare_for_program): Look up the image for the 
	reset vector and set cpu_use_elf_start to 1 if not found.
	(sim_open): Do not set cpu_use_elf_start.

2002-08-13  Marko Kohtala  <[e-mail]>

	* interp.c (sim_hw_configure): Return 1 for success.
	(sim_prepare_for_program): Use the sim_hw_configure exit code to
	return SIM_RC_FAIL.

2002-08-13  Stephane Carrez  <[e-mail]>

	* dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
	bank window to some virtual address to read from extended memory.
	(m68hc11cpu_io_write_buffer): Likewise for writing.
	(attach_m68hc11_regs): When use_bank property is defined, attach
	to the 68HC12 16K memory bank window.
	* interp.c (sim_hw_configure): Create memory region for banked
	memory.

2002-08-13  Stephane Carrez  <[e-mail]>

	* interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
	* dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
	(m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.

2002-08-13  Marko Kohtala  <[e-mail]>

	* dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
	when IO mapping changed, not when internal RAM mapping is changed.

2002-08-13  Stephane Carrez  <[e-mail]>

	* m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
	* sim-main.h (M6812_CALL_INDIRECT): Add to enum.
	(m6811_regs): Add page register.
	(cpu_set_page, cpu_get_page): New macros.
	(phys_to_virt): New function.
	(cpu_get_indexed_operand_addr, cpu_return): Declare.
	* gencode.c: Identify indirect addressing mode for call and fix daa.
	(gen_function_entry): New param to tell if src8/dst8 locals are 
	necessary.
	(gen_interpreter): Use it to avoid generation of unused variables.
	* interp.c (sim_fetch_register): Allow to read page register; page
	register, A, B and CCR are only 1 byte wide.
	(sim_store_register): Likewise for writing.

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.
	* sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".

2002-03-07  Stephane Carrez  <[e-mail]>

	* m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
	(cpu_move16): Likewise.
	(sim_memory_error): Use sim_io_printf.
	(cpu_option_handler): Fix compilation warning.
	* interp.c (sim_hw_configure): Fix compilation warning; 
	remove m68hc12sio@2 device.
	(sim_open): Likewise.
	* dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2 
	flags when reset.
	(cycle_to_string): Improve convertion of cpu cycle number.
	(m68hc11tim_info): Print info about PACNT.
	(m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
	TCTL1 and TCTL2 registers.
	* dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.

2002-03-07  Stephane Carrez  <[e-mail]>

	* interp.c (sim_hw_configure): Save the HW cpu pointer in the 
	cpu struct.
	(sim_hw_configure): Connect the capture input/output events.
	* sim-main.h (_sim_cpu): New member hw_cpu.
	(m68hc11cpu_set_oscillator): Declare.
	(m68hc11cpu_clear_oscillator): Declare.
	(m68hc11cpu_set_port): Declare.
	* dv-m68hc11.c (m68hc11_options): New for oscillator commands.
	(m68hc11cpu_ports): New input ports and output ports to reflect
	the HC11 IOs.
	(m68hc11_delete): Cleanup any running oscillator.
	(attach_m68hc11_regs): Create the input oscillators.
	(make_oscillator): New function.
	(find_oscillator): New function.
	(oscillator_handler): New function.
	(reset_oscillators): New function.
	(m68hc11cpu_port_event): Handle the new input ports.
	(m68hc11cpu_set_oscillator): New function.
	(m68hc11cpu_clear_oscillator): New function.
	(get_frequency): New function.
	(m68hc11_option_handler): New function.
	(m68hc11cpu_set_port): New function.
	(m68hc11cpu_io_write): Post the port output events.
	* dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
	the output port value.
	* dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
	by latching the TCNT value in the register.

2002-03-07  Stephane Carrez  <[e-mail]>

	* sim-main.h (cpu_frame, cpu_frame_list): Remove.
	(cpu_frame_reg, cpu_print_frame): Remove.
	(cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
	(cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
	(cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
	(cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
	* m68hc11_sim.c (cpu_find_frame): Remove.
	(cpu_create_frame_list): Remove.
	(cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
	(cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
	(cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
	(cpu_update_frame): Likewise.
	(cpu_return): Likewise.
	(cpu_reset): Likewise.
	(cpu_initialize): Likewise.	
	* interp.c (sim_do_command): Remove call to cpu_print_frame.

2002-03-07  Stephane Carrez  <[e-mail]>

	* interrupts.c (interrupts_reset): New function, setup interrupt
	vector address according to cpu mode.
	(interrupts_initialize): Move reset portion to the above.
	(interrupt_names): New table to give a name to interrupts.
	(idefs): Handle pulse accumulator interrupts.
	(interrupts_info): Print the interrupt history.
	(interrupt_option_handler): New function.
	(interrupt_options): New table of options.
	(interrupts_update_pending): Keep track of when interrupts are
	raised and implement breakpoint-on-raise-interrupt.
	(interrupts_process): Keep track of when interrupts are taken
	and implement breakpoint-on-interrupt.
	* interrupts.h (struct interrupt_history): Define.
	(struct interrupt): Keep track of the interrupt history.
	(interrupts_reset): Declare.
	(interrupts_initialize): Update prototype.
	* m68hc11_sim.c (cpu_reset): Reset interrupts.
	(cpu_initialize): Cleanup.

2001-07-28  Stephane Carrez  <[e-mail]>

	* dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
	address.
	(m68hc11eepr_port_event): Fix detach/attach logic.

2001-07-22  Stephane Carrez  <[e-mail]>

	* Makefile.in (SIM_OBJS): Remove sim-resume.o
	* interp.c (sim_resume): New function from sim-resume.c, install
	the stepping event after having processed the pending ticks.
	(has_stepped): Likewise.
	(sim_info): Produce an output only if verbose or STATE_VERBOSE_P.

2001-07-10  Andrew Cagney  <[e-mail]>

	* Makefile.in (gencode): Provide explicit path to gencode.c.

2001-05-20  Stephane Carrez  <[e-mail]>

	* Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
	(m68hc12int.c): Generate using gencode -m6812.
	(m68hc11int.c): Likewise with -m6811.

	* gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
	(m6811_page1_opcodes): Remove duplicate entries.
	(m6811_page2_opcodes): Likewise.
	(m6811_page3_opcodes): Likewise.
	(m6811_page4_opcodes): Likewise.
	(m6812_page1_opcodes): New table for 68HC12 instructions.
	(m6812_page2_opcodes): Likewise.
	(gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
	(gen_save_result): Likewise.
	(gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
	(cmp_opcode): New function for opcode comparision.
	(prepare_table): Sort the opcodes.
	(gen_interpreter): Prepare all the tables and generate either
	a 68HC11 or a 68HC12 simulator.
	(main): New options -m6811 and -m6812.

	* m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
	(cpu_special): Simulation of some 68HC12 instructions.
	(cpu_exg): New function.
	(cpu_dbcc): Likewise.
	(cpu_fetch_relbranch16): Likewise.
	(cpu_push_all): Push according to 68HC11 or 68HC12.
	(cpu_move16): Likewise.
	(cpu_move8): Likewise.
	(cpu_get_indexed_operand16): Likewise.
	(cpu_get_indexed_operand8): Likewise.
	(cpu_get_indexed_operand_addr): Likewise.
	(cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
	(cpu_reset): Setup INIT register according to architecture.
	
	* sim-main.h (M6811_Special): Add 68HC12 specific instructions.
	(_sim_cpu): Keep track of the cpu being simulated.
	(cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
	(cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
	(cpu_m68hc11_pop_uint8): Likewise.
	(cpu_m68hc12_push_uintxx): New functions for 68HC12.
	(cpu_m68hc12_pop_uintxx): Likewise.
	(cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
	(cpu_fetch_relbranch16): Likewise.
	(cpu_interp_m6811): Rename of cpu_interp.
	(cpu_interp_m6812): New function.	
	* interp.c (free_state): New function.
	(dev_list_68hc12): New table.
	(sim_board_reset): Reset depending on the cpu (HC11 or HC12).
	(sim_hw_configure): New function.
	(sim_prepare_for_program): New function.
	(sim_open): Use above new functions.