sim/m68hc11/ChangeLog

   1 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
   2
   3         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
   4         (m68hc11cpu_delete): Delete handler to detach the address space.
   5
   6 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
   7
   8         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
   9         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
  10         instead of free and malloc.
  11
  12 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  13
  14         * Makefile.in: Was missing from initial patch.
  15
  16 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  17
  18         * interp.c (sim_store_register): Remove soft register hack.
  19         (sim_fetch_register): Likewise.
  20         (sim_create_inferior): Likewise.
  21         * sim-main.h: Likewise.
  22
  23 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  24
  25         * interrupts.c (interrupts_update_pending): Clear the mask of
  26         pending interrupts here.
  27         (interrupts_get_current): Don't clear the mask of pending interrupts.
  28
  29 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  30
  31         * sim-main.h: Define cycle_to_string.
  32         * dv-m68hc11tim.c (cycle_to_string): New function to translate
  33         the cpu cycle into some formatted time string.
  34         (m68hc11tim_print_timer): Use it.
  35         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
  36         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
  37         * interrupts.c (interrupts_info): Likewise.
  38         * m68hc11_sim.c (cpu_info): Likewise.
  39
  40 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  41
  42         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
  43         interrupt and compare events accurately.  Take into account the
  44         pending ticks not processed by the simulator yet (introduced a shift).
  45         (m68hc11_port_event): Reset the timer interrupt delays.
  46         (m68hc11tim_io_read_buffer): Be able to read several bytes.
  47         (m68hc11tim_io_write_buffer): Likewise for write.
  48         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
  49
  50 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  51
  52         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
  53         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
  54         (m68hc11spi_info): Clarify the status report
  55         of the SPI when a byte is being sent.
  56         (m68hc11spi_clock): Fix the spi send frame.
  57
  58 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  59
  60         * sim-main.h (m68hc11_map_level): Define level of address mappings.
  61         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
  62         whether the eeprom is currently mapped or not.
  63         (m68hc11eepr_port_event): Use the flag to see if we must unmap
  64         or map the eeprom.  Update the flag to reflect the current state.
  65         Use M6811_EEPROM_LEVEL when mapping the eeprom.
  66         (m68hc11eepr_finish): Remove overlap hack.
  67         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
  68         config and control registers.
  69         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
  70         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
  71         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
  72         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
  73         (attach_m68hc11spi_regs): Likewise.
  74         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
  75         (attach_m68hc11tim_regs): Likewise.
  76         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
  77         (attach_m68hc11sio_regs): Likewise.
  78         * interp.c (sim_open): Likewise.
  79         * dv-nvram.c (attach_nvram_regs): Likewise.
  80
  81 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  82
  83         * configure, config.in: Regenerate.
  84
  85 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  86
  87         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
  88         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
  89         (dv_m6811_detach_address_callback): New function to detach a
  90         device from an address space.
  91         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
  92         config register according to --cpu-config option.
  93         * sim-main.h (_sim_cpu): Add cpu_config member.
  94         * interp.c (sim_open): Delete specific simulator options.
  95         * m68hc11_sim.c (cpu_option_handler): New options
  96         --emulos and -cpu-config <val> to configure the simulator.
  97         (cpu_initialize): Initialize cpu_config member.
  98
  99 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 100
 101         * emulos.c: Fix indentation and comments.
 102         * gencode.c: Likewise.
 103         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 104         (m68hc11tim_io_write_buffer): Write compare registers and
 105         setup compare event.
 106         * interp.c: Remove unused global variables.
 107         * interrupts.c (idefs): New compare interrupts.
 108         Fix indentation and comments.
 109         * interrupts.h: Likewise.
 110
 111 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 112
 113         * dv-m68hc11sio.c: Fix indentation and comments.
 114         Remove INT_PORT.
 115         * dv-m68hc11.c: Fix indentation and comments.
 116         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 117         * m68hc11_sim.c (cpu_reset): To here.
 118         * dv-m68hc11eepr.c: Fix indentation and comments.
 119
 120 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 121
 122         * dv-nvram.c: New file, rename from dv-pram.c.
 123         * dv-pram.c: Delete file.
 124         * sim-main.h: Incorporate m68hc11_sim.h.
 125         * m68hc11_sim.h: Delete file.
 126         * configure.in: Rename pram into nvram.
 127         * interp.c (sim_open): Likewise in creation of device tree.
 128
 129 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 130
 131         * interp.c (sim_open): Create the SPI device.
 132         * dv-m68hc11spi.c: New file for SPI device simulation.
 133         * configure.in (hw_extra_devices): Add SPI device.
 134
 135 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 136
 137         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 138         (interrupts_process): Separate IRQ and XIRQ accounting.
 139         (interrupts_info): Report XIRQ accounting.
 140         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 141
 142 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 143
 144         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 145         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 146         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 147         configuration from the 'mode' device tree property.
 148         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 149         configuration.
 150
 151 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 152
 153         * sim-main.h: Remove WITH_TARGET_* defines.
 154         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 155
 156 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 157
 158         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 159         1200 baud when cpu is in bootstrap mode.
 160
 161         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 162         write in the TCTN timer register.
 163
 164         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 165         by 4 to obtain the E clock frequency.
 166         (sccr2_desc): Use M6811_TIE for TIE bit.
 167         (m68hc11sio_info): Fix baud rate report.
 168
 169         * dv-m68hc11tim.c (to_realtime): Likewise.
 170
 171         * interp.c (sim_open): When building device tree, only provide
 172         devices that do not exist yet.
 173
 174         * emulos.c: Fix compilation pb under Windows.
 175
 176         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 177         from the 'clock' property.
 178
 179 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 180
 181         * m68hc11_sim.h (*_REGNUM): Define.
 182         (_sim_cpu): New member cpu_page0_reg table.
 183         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 184         addresses of soft registers in .page0.
 185         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 186         to get/set soft registers.
 187
 188 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 189
 190         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 191         returning random values.
 192
 193 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 194
 195         * gencode.c: Fix "subb N,x" that used a instead of b.
 196
 197 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 198
 199         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 200
 201 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 202
 203         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 204
 205 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 206
 207         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 208         register region in the m68hc11cpu struct.
 209         (m68hc11cpu_io_write): When the IO mapping addres changes,
 210         detach the register region and re-attach it at the new address.
 211         (m68hc11cpu_io_read_buffer): Renamed base_address into
 212         attach_address.
 213         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 214         to m68hc11cpu_io_write.
 215
 216 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 217
 218         * gencode.c: For sbc8, check the carry and increment the source
 219         before trying to set the carry for the result.
 220
 221 1999-05-24  John S. Kallal <kallal@voicenet.com>
 222
 223         * interp.c (sim_get_info): Don't crash if the command line is 0.
 224         Define prototype for sim_get_info() and init_system().
 225         (sim_info): Correct call to sim_get_info().
 226
 227 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 228
 229         * configure.in: Recognize m6811-*-*.
 230         * configure: Regenerate.
 231         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 232         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 233         Correct the computation of carry of 8 and 16-bits add and subtract.
 234         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 235         overflow set in a different manner than add).
 236
 237 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 238
 239         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 240         trace message.
 241         * interp.c (sim_open, sim_create_inferior): Initialize the
 242         cpu_elf_start from the ELF header.
 243         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 244         (cpu_restart): Use cpu_elf_start as the starting address when
 245         the flag is set.
 246         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 247         exits the simulator (exit status is in D).
 248         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 249         cpu_elf_star to start execution at address specified in ELF file.
 250
 251 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 252
 253         * Makefile.in, config.in, configure, configure.in: New files.
 254         * gencode.c: New file, generation of 68HC11 interpreter.
 255         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 256         for interpreter.
 257         * interrupts.c, interrupts.h: New files, management of interrupts.
 258         * interp.c, sim-main.h,
 259         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 260         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 261         68HC11 (dv-pram.c is generic and could probably migrate to common).
 262         * emulos.c: New file, basic emulation of some os.