sim/m68hc11/ChangeLog

   1 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
   2
   3         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
   4         interrupt and compare events accurately.  Take into account the
   5         pending ticks not processed by the simulator yet (introduced a shift).
   6         (m68hc11_port_event): Reset the timer interrupt delays.
   7         (m68hc11tim_io_read_buffer): Be able to read several bytes.
   8         (m68hc11tim_io_write_buffer): Likewise for write.
   9         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
  10
  11 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  12
  13         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
  14         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
  15         (m68hc11spi_info): Clarify the status report
  16         of the SPI when a byte is being sent.
  17         (m68hc11spi_clock): Fix the spi send frame.
  18
  19 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  20
  21         * sim-main.h (m68hc11_map_level): Define level of address mappings.
  22         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
  23         whether the eeprom is currently mapped or not.
  24         (m68hc11eepr_port_event): Use the flag to see if we must unmap
  25         or map the eeprom.  Update the flag to reflect the current state.
  26         Use M6811_EEPROM_LEVEL when mapping the eeprom.
  27         (m68hc11eepr_finish): Remove overlap hack.
  28         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
  29         config and control registers.
  30         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
  31         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
  32         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
  33         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
  34         (attach_m68hc11spi_regs): Likewise.
  35         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
  36         (attach_m68hc11tim_regs): Likewise.
  37         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
  38         (attach_m68hc11sio_regs): Likewise.
  39         * interp.c (sim_open): Likewise.
  40         * dv-nvram.c (attach_nvram_regs): Likewise.
  41
  42 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  43
  44         * configure, config.in: Regenerate.
  45
  46 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  47
  48         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
  49         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
  50         (dv_m6811_detach_address_callback): New function to detach a
  51         device from an address space.
  52         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
  53         config register according to --cpu-config option.
  54         * sim-main.h (_sim_cpu): Add cpu_config member.
  55         * interp.c (sim_open): Delete specific simulator options.
  56         * m68hc11_sim.c (cpu_option_handler): New options
  57         --emulos and -cpu-config <val> to configure the simulator.
  58         (cpu_initialize): Initialize cpu_config member.
  59
  60 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  61
  62         * emulos.c: Fix indentation and comments.
  63         * gencode.c: Likewise.
  64         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
  65         (m68hc11tim_io_write_buffer): Write compare registers and
  66         setup compare event.
  67         * interp.c: Remove unused global variables.
  68         * interrupts.c (idefs): New compare interrupts.
  69         Fix indentation and comments.
  70         * interrupts.h: Likewise.
  71
  72 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  73
  74         * dv-m68hc11sio.c: Fix indentation and comments.
  75         Remove INT_PORT.
  76         * dv-m68hc11.c: Fix indentation and comments.
  77         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
  78         * m68hc11_sim.c (cpu_reset): To here.
  79         * dv-m68hc11eepr.c: Fix indentation and comments.
  80
  81 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  82
  83         * dv-nvram.c: New file, rename from dv-pram.c.
  84         * dv-pram.c: Delete file.
  85         * sim-main.h: Incorporate m68hc11_sim.h.
  86         * m68hc11_sim.h: Delete file.
  87         * configure.in: Rename pram into nvram.
  88         * interp.c (sim_open): Likewise in creation of device tree.
  89
  90 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  91
  92         * interp.c (sim_open): Create the SPI device.
  93         * dv-m68hc11spi.c: New file for SPI device simulation.
  94         * configure.in (hw_extra_devices): Add SPI device.
  95
  96 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  97
  98         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
  99         (interrupts_process): Separate IRQ and XIRQ accounting.
 100         (interrupts_info): Report XIRQ accounting.
 101         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 102
 103 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 104
 105         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 106         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 107         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 108         configuration from the 'mode' device tree property.
 109         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 110         configuration.
 111
 112 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 113
 114         * sim-main.h: Remove WITH_TARGET_* defines.
 115         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 116
 117 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 118
 119         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 120         1200 baud when cpu is in bootstrap mode.
 121
 122         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 123         write in the TCTN timer register.
 124
 125         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 126         by 4 to obtain the E clock frequency.
 127         (sccr2_desc): Use M6811_TIE for TIE bit.
 128         (m68hc11sio_info): Fix baud rate report.
 129
 130         * dv-m68hc11tim.c (to_realtime): Likewise.
 131
 132         * interp.c (sim_open): When building device tree, only provide
 133         devices that do not exist yet.
 134
 135         * emulos.c: Fix compilation pb under Windows.
 136
 137         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 138         from the 'clock' property.
 139
 140 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 141
 142         * m68hc11_sim.h (*_REGNUM): Define.
 143         (_sim_cpu): New member cpu_page0_reg table.
 144         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 145         addresses of soft registers in .page0.
 146         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 147         to get/set soft registers.
 148
 149 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 150
 151         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 152         returning random values.
 153
 154 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 155
 156         * gencode.c: Fix "subb N,x" that used a instead of b.
 157
 158 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 159
 160         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 161
 162 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 163
 164         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 165
 166 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 167
 168         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 169         register region in the m68hc11cpu struct.
 170         (m68hc11cpu_io_write): When the IO mapping addres changes,
 171         detach the register region and re-attach it at the new address.
 172         (m68hc11cpu_io_read_buffer): Renamed base_address into
 173         attach_address.
 174         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 175         to m68hc11cpu_io_write.
 176
 177 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 178
 179         * gencode.c: For sbc8, check the carry and increment the source
 180         before trying to set the carry for the result.
 181
 182 1999-05-24  John S. Kallal <kallal@voicenet.com>
 183
 184         * interp.c (sim_get_info): Don't crash if the command line is 0.
 185         Define prototype for sim_get_info() and init_system().
 186         (sim_info): Correct call to sim_get_info().
 187
 188 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 189
 190         * configure.in: Recognize m6811-*-*.
 191         * configure: Regenerate.
 192         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 193         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 194         Correct the computation of carry of 8 and 16-bits add and subtract.
 195         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 196         overflow set in a different manner than add).
 197
 198 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 199
 200         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 201         trace message.
 202         * interp.c (sim_open, sim_create_inferior): Initialize the
 203         cpu_elf_start from the ELF header.
 204         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 205         (cpu_restart): Use cpu_elf_start as the starting address when
 206         the flag is set.
 207         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 208         exits the simulator (exit status is in D).
 209         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 210         cpu_elf_star to start execution at address specified in ELF file.
 211
 212 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 213
 214         * Makefile.in, config.in, configure, configure.in: New files.
 215         * gencode.c: New file, generation of 68HC11 interpreter.
 216         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 217         for interpreter.
 218         * interrupts.c, interrupts.h: New files, management of interrupts.
 219         * interp.c, sim-main.h,
 220         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 221         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 222         68HC11 (dv-pram.c is generic and could probably migrate to common).
 223         * emulos.c: New file, basic emulation of some os.