sim/m68hc11/ChangeLog

   1 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
   2
   3         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
   4         pending interrupts.
   5         * interrupts.c (interrupts_process): Keep track of the last number
   6         of masked insn cycles.
   7         (interrupts_initialize): Clear last number of masked insn cycles.
   8         (interrupts_info): Report them.
   9         (interrupts_update_pending): Compute clear and set masks of
  10         interrupts and clear the interrupt bits before setting them
  11         (due to SCI interrupt sharing).
  12         * interrupts.h (struct interrupts): New members last_mask_cycles
  13         and xirq_last_mask_cycles.
  14
  15 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  16
  17         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
  18         instead of a hard-coded value.
  19         (m68hc11cpu_io_write_buffer): Likewise.
  20         (dv_m68hc11_descriptor): Define a 68hc12 device.
  21         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
  22         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
  23         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
  24         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
  25
  26 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  27
  28         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
  29         (m68hc11cpu_delete): Delete handler to detach the address space.
  30
  31 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  32
  33         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
  34         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
  35         instead of free and malloc.
  36
  37 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  38
  39         * Makefile.in: Was missing from initial patch.
  40
  41 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  42
  43         * interp.c (sim_store_register): Remove soft register hack.
  44         (sim_fetch_register): Likewise.
  45         (sim_create_inferior): Likewise.
  46         * sim-main.h: Likewise.
  47
  48 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  49
  50         * interrupts.c (interrupts_update_pending): Clear the mask of
  51         pending interrupts here.
  52         (interrupts_get_current): Don't clear the mask of pending interrupts.
  53
  54 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  55
  56         * sim-main.h: Define cycle_to_string.
  57         * dv-m68hc11tim.c (cycle_to_string): New function to translate
  58         the cpu cycle into some formatted time string.
  59         (m68hc11tim_print_timer): Use it.
  60         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
  61         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
  62         * interrupts.c (interrupts_info): Likewise.
  63         * m68hc11_sim.c (cpu_info): Likewise.
  64
  65 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  66
  67         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
  68         interrupt and compare events accurately.  Take into account the
  69         pending ticks not processed by the simulator yet (introduced a shift).
  70         (m68hc11_port_event): Reset the timer interrupt delays.
  71         (m68hc11tim_io_read_buffer): Be able to read several bytes.
  72         (m68hc11tim_io_write_buffer): Likewise for write.
  73         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
  74
  75 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  76
  77         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
  78         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
  79         (m68hc11spi_info): Clarify the status report
  80         of the SPI when a byte is being sent.
  81         (m68hc11spi_clock): Fix the spi send frame.
  82
  83 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  84
  85         * sim-main.h (m68hc11_map_level): Define level of address mappings.
  86         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
  87         whether the eeprom is currently mapped or not.
  88         (m68hc11eepr_port_event): Use the flag to see if we must unmap
  89         or map the eeprom.  Update the flag to reflect the current state.
  90         Use M6811_EEPROM_LEVEL when mapping the eeprom.
  91         (m68hc11eepr_finish): Remove overlap hack.
  92         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
  93         config and control registers.
  94         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
  95         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
  96         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
  97         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
  98         (attach_m68hc11spi_regs): Likewise.
  99         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 100         (attach_m68hc11tim_regs): Likewise.
 101         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 102         (attach_m68hc11sio_regs): Likewise.
 103         * interp.c (sim_open): Likewise.
 104         * dv-nvram.c (attach_nvram_regs): Likewise.
 105
 106 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 107
 108         * configure, config.in: Regenerate.
 109
 110 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 111
 112         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 113         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 114         (dv_m6811_detach_address_callback): New function to detach a
 115         device from an address space.
 116         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 117         config register according to --cpu-config option.
 118         * sim-main.h (_sim_cpu): Add cpu_config member.
 119         * interp.c (sim_open): Delete specific simulator options.
 120         * m68hc11_sim.c (cpu_option_handler): New options
 121         --emulos and -cpu-config <val> to configure the simulator.
 122         (cpu_initialize): Initialize cpu_config member.
 123
 124 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 125
 126         * emulos.c: Fix indentation and comments.
 127         * gencode.c: Likewise.
 128         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 129         (m68hc11tim_io_write_buffer): Write compare registers and
 130         setup compare event.
 131         * interp.c: Remove unused global variables.
 132         * interrupts.c (idefs): New compare interrupts.
 133         Fix indentation and comments.
 134         * interrupts.h: Likewise.
 135
 136 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 137
 138         * dv-m68hc11sio.c: Fix indentation and comments.
 139         Remove INT_PORT.
 140         * dv-m68hc11.c: Fix indentation and comments.
 141         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 142         * m68hc11_sim.c (cpu_reset): To here.
 143         * dv-m68hc11eepr.c: Fix indentation and comments.
 144
 145 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 146
 147         * dv-nvram.c: New file, rename from dv-pram.c.
 148         * dv-pram.c: Delete file.
 149         * sim-main.h: Incorporate m68hc11_sim.h.
 150         * m68hc11_sim.h: Delete file.
 151         * configure.in: Rename pram into nvram.
 152         * interp.c (sim_open): Likewise in creation of device tree.
 153
 154 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 155
 156         * interp.c (sim_open): Create the SPI device.
 157         * dv-m68hc11spi.c: New file for SPI device simulation.
 158         * configure.in (hw_extra_devices): Add SPI device.
 159
 160 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 161
 162         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 163         (interrupts_process): Separate IRQ and XIRQ accounting.
 164         (interrupts_info): Report XIRQ accounting.
 165         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 166
 167 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 168
 169         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 170         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 171         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 172         configuration from the 'mode' device tree property.
 173         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 174         configuration.
 175
 176 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 177
 178         * sim-main.h: Remove WITH_TARGET_* defines.
 179         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 180
 181 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 182
 183         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 184         1200 baud when cpu is in bootstrap mode.
 185
 186         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 187         write in the TCTN timer register.
 188
 189         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 190         by 4 to obtain the E clock frequency.
 191         (sccr2_desc): Use M6811_TIE for TIE bit.
 192         (m68hc11sio_info): Fix baud rate report.
 193
 194         * dv-m68hc11tim.c (to_realtime): Likewise.
 195
 196         * interp.c (sim_open): When building device tree, only provide
 197         devices that do not exist yet.
 198
 199         * emulos.c: Fix compilation pb under Windows.
 200
 201         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 202         from the 'clock' property.
 203
 204 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 205
 206         * m68hc11_sim.h (*_REGNUM): Define.
 207         (_sim_cpu): New member cpu_page0_reg table.
 208         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 209         addresses of soft registers in .page0.
 210         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 211         to get/set soft registers.
 212
 213 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 214
 215         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 216         returning random values.
 217
 218 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 219
 220         * gencode.c: Fix "subb N,x" that used a instead of b.
 221
 222 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 223
 224         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 225
 226 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 227
 228         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 229
 230 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 231
 232         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 233         register region in the m68hc11cpu struct.
 234         (m68hc11cpu_io_write): When the IO mapping addres changes,
 235         detach the register region and re-attach it at the new address.
 236         (m68hc11cpu_io_read_buffer): Renamed base_address into
 237         attach_address.
 238         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 239         to m68hc11cpu_io_write.
 240
 241 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 242
 243         * gencode.c: For sbc8, check the carry and increment the source
 244         before trying to set the carry for the result.
 245
 246 1999-05-24  John S. Kallal <kallal@voicenet.com>
 247
 248         * interp.c (sim_get_info): Don't crash if the command line is 0.
 249         Define prototype for sim_get_info() and init_system().
 250         (sim_info): Correct call to sim_get_info().
 251
 252 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 253
 254         * configure.in: Recognize m6811-*-*.
 255         * configure: Regenerate.
 256         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 257         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 258         Correct the computation of carry of 8 and 16-bits add and subtract.
 259         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 260         overflow set in a different manner than add).
 261
 262 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 263
 264         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 265         trace message.
 266         * interp.c (sim_open, sim_create_inferior): Initialize the
 267         cpu_elf_start from the ELF header.
 268         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 269         (cpu_restart): Use cpu_elf_start as the starting address when
 270         the flag is set.
 271         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 272         exits the simulator (exit status is in D).
 273         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 274         cpu_elf_star to start execution at address specified in ELF file.
 275
 276 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 277
 278         * Makefile.in, config.in, configure, configure.in: New files.
 279         * gencode.c: New file, generation of 68HC11 interpreter.
 280         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 281         for interpreter.
 282         * interrupts.c, interrupts.h: New files, management of interrupts.
 283         * interp.c, sim-main.h,
 284         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 285         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 286         68HC11 (dv-pram.c is generic and could probably migrate to common).
 287         * emulos.c: New file, basic emulation of some os.