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11115521f6
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.
288 lines
11 KiB
Plaintext
288 lines
11 KiB
Plaintext
2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
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pending interrupts.
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* interrupts.c (interrupts_process): Keep track of the last number
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of masked insn cycles.
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(interrupts_initialize): Clear last number of masked insn cycles.
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(interrupts_info): Report them.
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(interrupts_update_pending): Compute clear and set masks of
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interrupts and clear the interrupt bits before setting them
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(due to SCI interrupt sharing).
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* interrupts.h (struct interrupts): New members last_mask_cycles
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and xirq_last_mask_cycles.
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2000-11-26 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
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instead of a hard-coded value.
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(m68hc11cpu_io_write_buffer): Likewise.
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(dv_m68hc11_descriptor): Define a 68hc12 device.
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* dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
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* dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
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* dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
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* dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
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2000-11-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
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(m68hc11cpu_delete): Delete handler to detach the address space.
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2000-11-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
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* dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
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instead of free and malloc.
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2000-09-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* Makefile.in: Was missing from initial patch.
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2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* interp.c (sim_store_register): Remove soft register hack.
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(sim_fetch_register): Likewise.
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(sim_create_inferior): Likewise.
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* sim-main.h: Likewise.
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2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* interrupts.c (interrupts_update_pending): Clear the mask of
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pending interrupts here.
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(interrupts_get_current): Don't clear the mask of pending interrupts.
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2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* sim-main.h: Define cycle_to_string.
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* dv-m68hc11tim.c (cycle_to_string): New function to translate
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the cpu cycle into some formatted time string.
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(m68hc11tim_print_timer): Use it.
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* dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
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* dv-m68hc11spi.c (m68hc11spi_info): Likewise.
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* interrupts.c (interrupts_info): Likewise.
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* m68hc11_sim.c (cpu_info): Likewise.
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2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
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interrupt and compare events accurately. Take into account the
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pending ticks not processed by the simulator yet (introduced a shift).
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(m68hc11_port_event): Reset the timer interrupt delays.
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(m68hc11tim_io_read_buffer): Be able to read several bytes.
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(m68hc11tim_io_write_buffer): Likewise for write.
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(m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
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2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
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(m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
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(m68hc11spi_info): Clarify the status report
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of the SPI when a byte is being sent.
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(m68hc11spi_clock): Fix the spi send frame.
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2000-08-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* sim-main.h (m68hc11_map_level): Define level of address mappings.
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* dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
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whether the eeprom is currently mapped or not.
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(m68hc11eepr_port_event): Use the flag to see if we must unmap
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or map the eeprom. Update the flag to reflect the current state.
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Use M6811_EEPROM_LEVEL when mapping the eeprom.
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(m68hc11eepr_finish): Remove overlap hack.
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(attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
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config and control registers.
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* dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
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(attach_m68hc11_regs): Use M6811_IO_LEVEL.
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(m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
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* dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
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(attach_m68hc11spi_regs): Likewise.
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* dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
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(attach_m68hc11tim_regs): Likewise.
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* dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
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(attach_m68hc11sio_regs): Likewise.
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* interp.c (sim_open): Likewise.
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* dv-nvram.c (attach_nvram_regs): Likewise.
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Thu Jul 27 21:27:25 2000 Andrew Cagney <cagney@b1.cygnus.com>
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* configure, config.in: Regenerate.
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2000-06-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
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* dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
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(dv_m6811_detach_address_callback): New function to detach a
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device from an address space.
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* dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
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config register according to --cpu-config option.
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* sim-main.h (_sim_cpu): Add cpu_config member.
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* interp.c (sim_open): Delete specific simulator options.
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* m68hc11_sim.c (cpu_option_handler): New options
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--emulos and -cpu-config <val> to configure the simulator.
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(cpu_initialize): Initialize cpu_config member.
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2000-06-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* emulos.c: Fix indentation and comments.
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* gencode.c: Likewise.
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* dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
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(m68hc11tim_io_write_buffer): Write compare registers and
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setup compare event.
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* interp.c: Remove unused global variables.
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* interrupts.c (idefs): New compare interrupts.
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Fix indentation and comments.
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* interrupts.h: Likewise.
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2000-06-18 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* dv-m68hc11sio.c: Fix indentation and comments.
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Remove INT_PORT.
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* dv-m68hc11.c: Fix indentation and comments.
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(m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
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* m68hc11_sim.c (cpu_reset): To here.
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* dv-m68hc11eepr.c: Fix indentation and comments.
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2000-06-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* dv-nvram.c: New file, rename from dv-pram.c.
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* dv-pram.c: Delete file.
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* sim-main.h: Incorporate m68hc11_sim.h.
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* m68hc11_sim.h: Delete file.
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* configure.in: Rename pram into nvram.
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* interp.c (sim_open): Likewise in creation of device tree.
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2000-05-31 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* interp.c (sim_open): Create the SPI device.
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* dv-m68hc11spi.c: New file for SPI device simulation.
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* configure.in (hw_extra_devices): Add SPI device.
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2000-05-28 Stephane Carrez <Stephane.Carrez@worldnet.fr>
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* interrupts.c (interrupts_initialize): Clear XIRQ accounting.
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(interrupts_process): Separate IRQ and XIRQ accounting.
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(interrupts_info): Report XIRQ accounting.
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* interrupts.h (struct interrupts): Added accounting for XIRQ.
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2000-04-16 Stephane Carrez <stcarrez@worldnet.fr>
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* dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
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* m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
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* dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
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configuration from the 'mode' device tree property.
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(m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
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configuration.
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2000-02-24 Stephane Carrez <stcarrez@worldnet.fr>
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* sim-main.h: Remove WITH_TARGET_* defines.
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* Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
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2000-02-08 Stephane Carrez <stcarrez@worldnet.fr>
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* dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
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1200 baud when cpu is in bootstrap mode.
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* dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
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write in the TCTN timer register.
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* dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
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by 4 to obtain the E clock frequency.
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(sccr2_desc): Use M6811_TIE for TIE bit.
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(m68hc11sio_info): Fix baud rate report.
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* dv-m68hc11tim.c (to_realtime): Likewise.
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* interp.c (sim_open): When building device tree, only provide
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devices that do not exist yet.
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* emulos.c: Fix compilation pb under Windows.
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* dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
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from the 'clock' property.
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2000-01-02 Stephane Carrez <stcarrez@worldnet.fr>
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* m68hc11_sim.h (*_REGNUM): Define.
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(_sim_cpu): New member cpu_page0_reg table.
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* interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
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addresses of soft registers in .page0.
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(sim_fetch_register, sim_store_register): Use cpu_page0_reg table
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to get/set soft registers.
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1999-12-31 Stephane Carrez <stcarrez@worldnet.fr>
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* dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
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returning random values.
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1999-12-17 Stephane Carrez <stcarrez@worldnet.fr>
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* gencode.c: Fix "subb N,x" that used a instead of b.
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1999-09-09 Stephane Carrez <stcarrez@worldnet.fr>
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* gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
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1999-09-01 Stephane Carrez <stcarrez@worldnet.fr>
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* sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
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1999-08-14 Stephane Carrez <stcarrez@worldnet.fr>
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* dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
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register region in the m68hc11cpu struct.
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(m68hc11cpu_io_write): When the IO mapping addres changes,
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detach the register region and re-attach it at the new address.
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(m68hc11cpu_io_read_buffer): Renamed base_address into
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attach_address.
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(m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
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to m68hc11cpu_io_write.
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1999-08-13 Stephane Carrez <stcarrez@worldnet.fr>
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* gencode.c: For sbc8, check the carry and increment the source
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before trying to set the carry for the result.
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1999-05-24 John S. Kallal <kallal@voicenet.com>
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* interp.c (sim_get_info): Don't crash if the command line is 0.
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Define prototype for sim_get_info() and init_system().
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(sim_info): Correct call to sim_get_info().
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1999-05-16 Stephane Carrez <stcarrez@worldnet.fr>
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* configure.in: Recognize m6811-*-*.
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* configure: Regenerate.
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* m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
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cpu_ccr_update_sub8, cpu_ccr_update_sub16):
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Correct the computation of carry of 8 and 16-bits add and subtract.
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* gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
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overflow set in a different manner than add).
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1999-05-14 Stephane Carrez <stcarrez@worldnet.fr>
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* dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
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trace message.
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* interp.c (sim_open, sim_create_inferior): Initialize the
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cpu_elf_start from the ELF header.
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* m68hc11_sim.c (cpu_initialize): Clear the new data members.
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(cpu_restart): Use cpu_elf_start as the starting address when
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the flag is set.
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(cpu_special): When cpu_use_elf_start is set, the WAI instruction
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exits the simulator (exit status is in D).
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* m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
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cpu_elf_star to start execution at address specified in ELF file.
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1999-05-02 Stephane Carrez <stcarrez@worldnet.fr>
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* Makefile.in, config.in, configure, configure.in: New files.
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* gencode.c: New file, generation of 68HC11 interpreter.
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* m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
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for interpreter.
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* interrupts.c, interrupts.h: New files, management of interrupts.
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* interp.c, sim-main.h,
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* dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
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dv-m68hc11tim.c, dv-pram.c: New files representing devices for
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68HC11 (dv-pram.c is generic and could probably migrate to common).
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* emulos.c: New file, basic emulation of some os.
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