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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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