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2002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* 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 <Stephane.Carrez@worldnet.fr>
* dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
address.
(m68hc11eepr_port_event): Fix detach/attach logic.
2001-07-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* 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 <ac131313@redhat.com>
* Makefile.in (gencode): Provide explicit path to gencode.c.
2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* 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.
(sim_close): Call free_state().
(sim_info): Print info according to cpu.
(sim_create_inferior): Use sim_prepare_for_program.
(sim_do_command): Configure the hardware after a change of the
architecture.
2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
pending interrupts.
* interrupts.c (interrupts_process): Keep track of the last number
of masked insn cycles.
(interrupts_initialize): Clear last number of masked insn cycles.
(interrupts_info): Report them.
(interrupts_update_pending): Compute clear and set masks of
interrupts and clear the interrupt bits before setting them
(due to SCI interrupt sharing).
* interrupts.h (struct interrupts): New members last_mask_cycles
and xirq_last_mask_cycles.
2000-11-26 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
instead of a hard-coded value.
(m68hc11cpu_io_write_buffer): Likewise.
(dv_m68hc11_descriptor): Define a 68hc12 device.
* dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
* dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
* dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
* dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
2000-11-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
(m68hc11cpu_delete): Delete handler to detach the address space.
2000-11-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
* dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
instead of free and malloc.
2000-09-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* Makefile.in: Was missing from initial patch.
2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* interp.c (sim_store_register): Remove soft register hack.
(sim_fetch_register): Likewise.
(sim_create_inferior): Likewise.
* sim-main.h: Likewise.
2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* interrupts.c (interrupts_update_pending): Clear the mask of
pending interrupts here.
(interrupts_get_current): Don't clear the mask of pending interrupts.
2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* sim-main.h: Define cycle_to_string.
* dv-m68hc11tim.c (cycle_to_string): New function to translate
the cpu cycle into some formatted time string.
(m68hc11tim_print_timer): Use it.
* dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
* dv-m68hc11spi.c (m68hc11spi_info): Likewise.
* interrupts.c (interrupts_info): Likewise.
* m68hc11_sim.c (cpu_info): Likewise.
2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
interrupt and compare events accurately. Take into account the
pending ticks not processed by the simulator yet (introduced a shift).
(m68hc11_port_event): Reset the timer interrupt delays.
(m68hc11tim_io_read_buffer): Be able to read several bytes.
(m68hc11tim_io_write_buffer): Likewise for write.
(m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
(m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
(m68hc11spi_info): Clarify the status report
of the SPI when a byte is being sent.
(m68hc11spi_clock): Fix the spi send frame.
2000-08-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* sim-main.h (m68hc11_map_level): Define level of address mappings.
* dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
whether the eeprom is currently mapped or not.
(m68hc11eepr_port_event): Use the flag to see if we must unmap
or map the eeprom. Update the flag to reflect the current state.
Use M6811_EEPROM_LEVEL when mapping the eeprom.
(m68hc11eepr_finish): Remove overlap hack.
(attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
config and control registers.
* dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
(attach_m68hc11_regs): Use M6811_IO_LEVEL.
(m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
* dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
(attach_m68hc11spi_regs): Likewise.
* dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
(attach_m68hc11tim_regs): Likewise.
* dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
(attach_m68hc11sio_regs): Likewise.
* interp.c (sim_open): Likewise.
* dv-nvram.c (attach_nvram_regs): Likewise.
Thu Jul 27 21:27:25 2000 Andrew Cagney <cagney@b1.cygnus.com>
* configure, config.in: Regenerate.
2000-06-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
* dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
(dv_m6811_detach_address_callback): New function to detach a
device from an address space.
* dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
config register according to --cpu-config option.
* sim-main.h (_sim_cpu): Add cpu_config member.
* interp.c (sim_open): Delete specific simulator options.
* m68hc11_sim.c (cpu_option_handler): New options
--emulos and -cpu-config <val> to configure the simulator.
(cpu_initialize): Initialize cpu_config member.
2000-06-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* emulos.c: Fix indentation and comments.
* gencode.c: Likewise.
* dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
(m68hc11tim_io_write_buffer): Write compare registers and
setup compare event.
* interp.c: Remove unused global variables.
* interrupts.c (idefs): New compare interrupts.
Fix indentation and comments.
* interrupts.h: Likewise.
2000-06-18 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11sio.c: Fix indentation and comments.
Remove INT_PORT.
* dv-m68hc11.c: Fix indentation and comments.
(m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
* m68hc11_sim.c (cpu_reset): To here.
* dv-m68hc11eepr.c: Fix indentation and comments.
2000-06-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-nvram.c: New file, rename from dv-pram.c.
* dv-pram.c: Delete file.
* sim-main.h: Incorporate m68hc11_sim.h.
* m68hc11_sim.h: Delete file.
* configure.in: Rename pram into nvram.
* interp.c (sim_open): Likewise in creation of device tree.
2000-05-31 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* interp.c (sim_open): Create the SPI device.
* dv-m68hc11spi.c: New file for SPI device simulation.
* configure.in (hw_extra_devices): Add SPI device.
2000-05-28 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* interrupts.c (interrupts_initialize): Clear XIRQ accounting.
(interrupts_process): Separate IRQ and XIRQ accounting.
(interrupts_info): Report XIRQ accounting.
* interrupts.h (struct interrupts): Added accounting for XIRQ.
2000-04-16 Stephane Carrez <stcarrez@worldnet.fr>
* dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
* m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
* dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
configuration from the 'mode' device tree property.
(m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
configuration.
2000-02-24 Stephane Carrez <stcarrez@worldnet.fr>
* sim-main.h: Remove WITH_TARGET_* defines.
* Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
2000-02-08 Stephane Carrez <stcarrez@worldnet.fr>
* dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
1200 baud when cpu is in bootstrap mode.
* dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
write in the TCTN timer register.
* dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
by 4 to obtain the E clock frequency.
(sccr2_desc): Use M6811_TIE for TIE bit.
(m68hc11sio_info): Fix baud rate report.
* dv-m68hc11tim.c (to_realtime): Likewise.
* interp.c (sim_open): When building device tree, only provide
devices that do not exist yet.
* emulos.c: Fix compilation pb under Windows.
* dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
from the 'clock' property.
2000-01-02 Stephane Carrez <stcarrez@worldnet.fr>
* m68hc11_sim.h (*_REGNUM): Define.
(_sim_cpu): New member cpu_page0_reg table.
* interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
addresses of soft registers in .page0.
(sim_fetch_register, sim_store_register): Use cpu_page0_reg table
to get/set soft registers.
1999-12-31 Stephane Carrez <stcarrez@worldnet.fr>
* dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
returning random values.
1999-12-17 Stephane Carrez <stcarrez@worldnet.fr>
* gencode.c: Fix "subb N,x" that used a instead of b.
1999-09-09 Stephane Carrez <stcarrez@worldnet.fr>
* gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
1999-09-01 Stephane Carrez <stcarrez@worldnet.fr>
* sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
1999-08-14 Stephane Carrez <stcarrez@worldnet.fr>
* dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
register region in the m68hc11cpu struct.
(m68hc11cpu_io_write): When the IO mapping addres changes,
detach the register region and re-attach it at the new address.
(m68hc11cpu_io_read_buffer): Renamed base_address into
attach_address.
(m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
to m68hc11cpu_io_write.
1999-08-13 Stephane Carrez <stcarrez@worldnet.fr>
* gencode.c: For sbc8, check the carry and increment the source
before trying to set the carry for the result.
1999-05-24 John S. Kallal <kallal@voicenet.com>
* interp.c (sim_get_info): Don't crash if the command line is 0.
Define prototype for sim_get_info() and init_system().
(sim_info): Correct call to sim_get_info().
1999-05-16 Stephane Carrez <stcarrez@worldnet.fr>
* configure.in: Recognize m6811-*-*.
* configure: Regenerate.
* m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
cpu_ccr_update_sub8, cpu_ccr_update_sub16):
Correct the computation of carry of 8 and 16-bits add and subtract.
* gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
overflow set in a different manner than add).
1999-05-14 Stephane Carrez <stcarrez@worldnet.fr>
* dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
trace message.
* interp.c (sim_open, sim_create_inferior): Initialize the
cpu_elf_start from the ELF header.
* m68hc11_sim.c (cpu_initialize): Clear the new data members.
(cpu_restart): Use cpu_elf_start as the starting address when
the flag is set.
(cpu_special): When cpu_use_elf_start is set, the WAI instruction
exits the simulator (exit status is in D).
* m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
cpu_elf_star to start execution at address specified in ELF file.
1999-05-02 Stephane Carrez <stcarrez@worldnet.fr>
* Makefile.in, config.in, configure, configure.in: New files.
* gencode.c: New file, generation of 68HC11 interpreter.
* m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
for interpreter.
* interrupts.c, interrupts.h: New files, management of interrupts.
* interp.c, sim-main.h,
* dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
dv-m68hc11tim.c, dv-pram.c: New files representing devices for
68HC11 (dv-pram.c is generic and could probably migrate to common).
* emulos.c: New file, basic emulation of some os.
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