sim/m68hc11/ChangeLog

   1 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
   2
   3         * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
   4         * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
   5         (m6811_regs): Add page register.
   6         (cpu_set_page, cpu_get_page): New macros.
   7         (phys_to_virt): New function.
   8         (cpu_get_indexed_operand_addr, cpu_return): Declare.
   9         * gencode.c: Identify indirect addressing mode for call and fix daa.
  10         (gen_function_entry): New param to tell if src8/dst8 locals are
  11         necessary.
  12         (gen_interpreter): Use it to avoid generation of unused variables.
  13         * interp.c (sim_fetch_register): Allow to read page register; page
  14         register, A, B and CCR are only 1 byte wide.
  15         (sim_store_register): Likewise for writing.
  16
  17 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
  18
  19         * configure: Regenerated to track ../common/aclocal.m4 changes.
  20
  21 2002-06-09  Andrew Cagney  <cagney@redhat.com>
  22
  23         * Makefile.in (INCLUDE): Update path to callback.h.
  24         * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
  25
  26 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  27
  28         * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
  29         (cpu_move16): Likewise.
  30         (sim_memory_error): Use sim_io_printf.
  31         (cpu_option_handler): Fix compilation warning.
  32         * interp.c (sim_hw_configure): Fix compilation warning;
  33         remove m68hc12sio@2 device.
  34         (sim_open): Likewise.
  35         * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
  36         flags when reset.
  37         (cycle_to_string): Improve convertion of cpu cycle number.
  38         (m68hc11tim_info): Print info about PACNT.
  39         (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
  40         TCTL1 and TCTL2 registers.
  41         * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
  42
  43 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  44
  45         * interp.c (sim_hw_configure): Save the HW cpu pointer in the
  46         cpu struct.
  47         (sim_hw_configure): Connect the capture input/output events.
  48         * sim-main.h (_sim_cpu): New member hw_cpu.
  49         (m68hc11cpu_set_oscillator): Declare.
  50         (m68hc11cpu_clear_oscillator): Declare.
  51         (m68hc11cpu_set_port): Declare.
  52         * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
  53         (m68hc11cpu_ports): New input ports and output ports to reflect
  54         the HC11 IOs.
  55         (m68hc11_delete): Cleanup any running oscillator.
  56         (attach_m68hc11_regs): Create the input oscillators.
  57         (make_oscillator): New function.
  58         (find_oscillator): New function.
  59         (oscillator_handler): New function.
  60         (reset_oscillators): New function.
  61         (m68hc11cpu_port_event): Handle the new input ports.
  62         (m68hc11cpu_set_oscillator): New function.
  63         (m68hc11cpu_clear_oscillator): New function.
  64         (get_frequency): New function.
  65         (m68hc11_option_handler): New function.
  66         (m68hc11cpu_set_port): New function.
  67         (m68hc11cpu_io_write): Post the port output events.
  68         * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
  69         the output port value.
  70         * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
  71         by latching the TCNT value in the register.
  72
  73 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  74
  75         * sim-main.h (cpu_frame, cpu_frame_list): Remove.
  76         (cpu_frame_reg, cpu_print_frame): Remove.
  77         (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
  78         (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
  79         (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
  80         (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
  81         * m68hc11_sim.c (cpu_find_frame): Remove.
  82         (cpu_create_frame_list): Remove.
  83         (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
  84         (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
  85         (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
  86         (cpu_update_frame): Likewise.
  87         (cpu_return): Likewise.
  88         (cpu_reset): Likewise.
  89         (cpu_initialize): Likewise.
  90         * interp.c (sim_do_command): Remove call to cpu_print_frame.
  91
  92 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  93
  94         * interrupts.c (interrupts_reset): New function, setup interrupt
  95         vector address according to cpu mode.
  96         (interrupts_initialize): Move reset portion to the above.
  97         (interrupt_names): New table to give a name to interrupts.
  98         (idefs): Handle pulse accumulator interrupts.
  99         (interrupts_info): Print the interrupt history.
 100         (interrupt_option_handler): New function.
 101         (interrupt_options): New table of options.
 102         (interrupts_update_pending): Keep track of when interrupts are
 103         raised and implement breakpoint-on-raise-interrupt.
 104         (interrupts_process): Keep track of when interrupts are taken
 105         and implement breakpoint-on-interrupt.
 106         * interrupts.h (struct interrupt_history): Define.
 107         (struct interrupt): Keep track of the interrupt history.
 108         (interrupts_reset): Declare.
 109         (interrupts_initialize): Update prototype.
 110         * m68hc11_sim.c (cpu_reset): Reset interrupts.
 111         (cpu_initialize): Cleanup.
 112
 113 2001-07-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 114
 115         * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
 116         address.
 117         (m68hc11eepr_port_event): Fix detach/attach logic.
 118
 119 2001-07-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 120
 121         * Makefile.in (SIM_OBJS): Remove sim-resume.o
 122         * interp.c (sim_resume): New function from sim-resume.c, install
 123         the stepping event after having processed the pending ticks.
 124         (has_stepped): Likewise.
 125         (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
 126
 127 2001-07-10  Andrew Cagney  <ac131313@redhat.com>
 128
 129         * Makefile.in (gencode): Provide explicit path to gencode.c.
 130
 131 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 132
 133         * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
 134         (m68hc12int.c): Generate using gencode -m6812.
 135         (m68hc11int.c): Likewise with -m6811.
 136
 137         * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
 138         (m6811_page1_opcodes): Remove duplicate entries.
 139         (m6811_page2_opcodes): Likewise.
 140         (m6811_page3_opcodes): Likewise.
 141         (m6811_page4_opcodes): Likewise.
 142         (m6812_page1_opcodes): New table for 68HC12 instructions.
 143         (m6812_page2_opcodes): Likewise.
 144         (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
 145         (gen_save_result): Likewise.
 146         (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
 147         (cmp_opcode): New function for opcode comparision.
 148         (prepare_table): Sort the opcodes.
 149         (gen_interpreter): Prepare all the tables and generate either
 150         a 68HC11 or a 68HC12 simulator.
 151         (main): New options -m6811 and -m6812.
 152
 153         * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
 154         (cpu_special): Simulation of some 68HC12 instructions.
 155         (cpu_exg): New function.
 156         (cpu_dbcc): Likewise.
 157         (cpu_fetch_relbranch16): Likewise.
 158         (cpu_push_all): Push according to 68HC11 or 68HC12.
 159         (cpu_move16): Likewise.
 160         (cpu_move8): Likewise.
 161         (cpu_get_indexed_operand16): Likewise.
 162         (cpu_get_indexed_operand8): Likewise.
 163         (cpu_get_indexed_operand_addr): Likewise.
 164         (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
 165         (cpu_reset): Setup INIT register according to architecture.
 166
 167         * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
 168         (_sim_cpu): Keep track of the cpu being simulated.
 169         (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
 170         (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
 171         (cpu_m68hc11_pop_uint8): Likewise.
 172         (cpu_m68hc12_push_uintxx): New functions for 68HC12.
 173         (cpu_m68hc12_pop_uintxx): Likewise.
 174         (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
 175         (cpu_fetch_relbranch16): Likewise.
 176         (cpu_interp_m6811): Rename of cpu_interp.
 177         (cpu_interp_m6812): New function.
 178         * interp.c (free_state): New function.
 179         (dev_list_68hc12): New table.
 180         (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
 181         (sim_hw_configure): New function.
 182         (sim_prepare_for_program): New function.
 183         (sim_open): Use above new functions.
 184         (sim_close): Call free_state().
 185         (sim_info): Print info according to cpu.
 186         (sim_create_inferior): Use sim_prepare_for_program.
 187         (sim_do_command): Configure the hardware after a change of the
 188         architecture.
 189
 190 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 191
 192         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
 193         pending interrupts.
 194         * interrupts.c (interrupts_process): Keep track of the last number
 195         of masked insn cycles.
 196         (interrupts_initialize): Clear last number of masked insn cycles.
 197         (interrupts_info): Report them.
 198         (interrupts_update_pending): Compute clear and set masks of
 199         interrupts and clear the interrupt bits before setting them
 200         (due to SCI interrupt sharing).
 201         * interrupts.h (struct interrupts): New members last_mask_cycles
 202         and xirq_last_mask_cycles.
 203
 204 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 205
 206         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
 207         instead of a hard-coded value.
 208         (m68hc11cpu_io_write_buffer): Likewise.
 209         (dv_m68hc11_descriptor): Define a 68hc12 device.
 210         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
 211         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
 212         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
 213         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
 214
 215 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 216
 217         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
 218         (m68hc11cpu_delete): Delete handler to detach the address space.
 219
 220 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 221
 222         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
 223         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
 224         instead of free and malloc.
 225
 226 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 227
 228         * Makefile.in: Was missing from initial patch.
 229
 230 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 231
 232         * interp.c (sim_store_register): Remove soft register hack.
 233         (sim_fetch_register): Likewise.
 234         (sim_create_inferior): Likewise.
 235         * sim-main.h: Likewise.
 236
 237 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 238
 239         * interrupts.c (interrupts_update_pending): Clear the mask of
 240         pending interrupts here.
 241         (interrupts_get_current): Don't clear the mask of pending interrupts.
 242
 243 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 244
 245         * sim-main.h: Define cycle_to_string.
 246         * dv-m68hc11tim.c (cycle_to_string): New function to translate
 247         the cpu cycle into some formatted time string.
 248         (m68hc11tim_print_timer): Use it.
 249         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
 250         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 251         * interrupts.c (interrupts_info): Likewise.
 252         * m68hc11_sim.c (cpu_info): Likewise.
 253
 254 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 255
 256         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
 257         interrupt and compare events accurately.  Take into account the
 258         pending ticks not processed by the simulator yet (introduced a shift).
 259         (m68hc11_port_event): Reset the timer interrupt delays.
 260         (m68hc11tim_io_read_buffer): Be able to read several bytes.
 261         (m68hc11tim_io_write_buffer): Likewise for write.
 262         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
 263
 264 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 265
 266         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
 267         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
 268         (m68hc11spi_info): Clarify the status report
 269         of the SPI when a byte is being sent.
 270         (m68hc11spi_clock): Fix the spi send frame.
 271
 272 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 273
 274         * sim-main.h (m68hc11_map_level): Define level of address mappings.
 275         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
 276         whether the eeprom is currently mapped or not.
 277         (m68hc11eepr_port_event): Use the flag to see if we must unmap
 278         or map the eeprom.  Update the flag to reflect the current state.
 279         Use M6811_EEPROM_LEVEL when mapping the eeprom.
 280         (m68hc11eepr_finish): Remove overlap hack.
 281         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
 282         config and control registers.
 283         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
 284         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
 285         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
 286         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
 287         (attach_m68hc11spi_regs): Likewise.
 288         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 289         (attach_m68hc11tim_regs): Likewise.
 290         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 291         (attach_m68hc11sio_regs): Likewise.
 292         * interp.c (sim_open): Likewise.
 293         * dv-nvram.c (attach_nvram_regs): Likewise.
 294
 295 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 296
 297         * configure, config.in: Regenerate.
 298
 299 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 300
 301         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 302         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 303         (dv_m6811_detach_address_callback): New function to detach a
 304         device from an address space.
 305         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 306         config register according to --cpu-config option.
 307         * sim-main.h (_sim_cpu): Add cpu_config member.
 308         * interp.c (sim_open): Delete specific simulator options.
 309         * m68hc11_sim.c (cpu_option_handler): New options
 310         --emulos and -cpu-config <val> to configure the simulator.
 311         (cpu_initialize): Initialize cpu_config member.
 312
 313 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 314
 315         * emulos.c: Fix indentation and comments.
 316         * gencode.c: Likewise.
 317         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 318         (m68hc11tim_io_write_buffer): Write compare registers and
 319         setup compare event.
 320         * interp.c: Remove unused global variables.
 321         * interrupts.c (idefs): New compare interrupts.
 322         Fix indentation and comments.
 323         * interrupts.h: Likewise.
 324
 325 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 326
 327         * dv-m68hc11sio.c: Fix indentation and comments.
 328         Remove INT_PORT.
 329         * dv-m68hc11.c: Fix indentation and comments.
 330         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 331         * m68hc11_sim.c (cpu_reset): To here.
 332         * dv-m68hc11eepr.c: Fix indentation and comments.
 333
 334 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 335
 336         * dv-nvram.c: New file, rename from dv-pram.c.
 337         * dv-pram.c: Delete file.
 338         * sim-main.h: Incorporate m68hc11_sim.h.
 339         * m68hc11_sim.h: Delete file.
 340         * configure.in: Rename pram into nvram.
 341         * interp.c (sim_open): Likewise in creation of device tree.
 342
 343 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 344
 345         * interp.c (sim_open): Create the SPI device.
 346         * dv-m68hc11spi.c: New file for SPI device simulation.
 347         * configure.in (hw_extra_devices): Add SPI device.
 348
 349 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 350
 351         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 352         (interrupts_process): Separate IRQ and XIRQ accounting.
 353         (interrupts_info): Report XIRQ accounting.
 354         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 355
 356 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 357
 358         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 359         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 360         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 361         configuration from the 'mode' device tree property.
 362         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 363         configuration.
 364
 365 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 366
 367         * sim-main.h: Remove WITH_TARGET_* defines.
 368         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 369
 370 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 371
 372         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 373         1200 baud when cpu is in bootstrap mode.
 374
 375         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 376         write in the TCTN timer register.
 377
 378         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 379         by 4 to obtain the E clock frequency.
 380         (sccr2_desc): Use M6811_TIE for TIE bit.
 381         (m68hc11sio_info): Fix baud rate report.
 382
 383         * dv-m68hc11tim.c (to_realtime): Likewise.
 384
 385         * interp.c (sim_open): When building device tree, only provide
 386         devices that do not exist yet.
 387
 388         * emulos.c: Fix compilation pb under Windows.
 389
 390         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 391         from the 'clock' property.
 392
 393 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 394
 395         * m68hc11_sim.h (*_REGNUM): Define.
 396         (_sim_cpu): New member cpu_page0_reg table.
 397         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 398         addresses of soft registers in .page0.
 399         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 400         to get/set soft registers.
 401
 402 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 403
 404         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 405         returning random values.
 406
 407 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 408
 409         * gencode.c: Fix "subb N,x" that used a instead of b.
 410
 411 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 412
 413         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 414
 415 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 416
 417         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 418
 419 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 420
 421         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 422         register region in the m68hc11cpu struct.
 423         (m68hc11cpu_io_write): When the IO mapping addres changes,
 424         detach the register region and re-attach it at the new address.
 425         (m68hc11cpu_io_read_buffer): Renamed base_address into
 426         attach_address.
 427         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 428         to m68hc11cpu_io_write.
 429
 430 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 431
 432         * gencode.c: For sbc8, check the carry and increment the source
 433         before trying to set the carry for the result.
 434
 435 1999-05-24  John S. Kallal <kallal@voicenet.com>
 436
 437         * interp.c (sim_get_info): Don't crash if the command line is 0.
 438         Define prototype for sim_get_info() and init_system().
 439         (sim_info): Correct call to sim_get_info().
 440
 441 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 442
 443         * configure.in: Recognize m6811-*-*.
 444         * configure: Regenerate.
 445         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 446         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 447         Correct the computation of carry of 8 and 16-bits add and subtract.
 448         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 449         overflow set in a different manner than add).
 450
 451 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 452
 453         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 454         trace message.
 455         * interp.c (sim_open, sim_create_inferior): Initialize the
 456         cpu_elf_start from the ELF header.
 457         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 458         (cpu_restart): Use cpu_elf_start as the starting address when
 459         the flag is set.
 460         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 461         exits the simulator (exit status is in D).
 462         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 463         cpu_elf_star to start execution at address specified in ELF file.
 464
 465 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 466
 467         * Makefile.in, config.in, configure, configure.in: New files.
 468         * gencode.c: New file, generation of 68HC11 interpreter.
 469         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 470         for interpreter.
 471         * interrupts.c, interrupts.h: New files, management of interrupts.
 472         * interp.c, sim-main.h,
 473         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 474         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 475         68HC11 (dv-pram.c is generic and could probably migrate to common).
 476         * emulos.c: New file, basic emulation of some os.