sim/m68hc11/ChangeLog

   1 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
   2
   3         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
   4         bank window to some virtual address to read from extended memory.
   5         (m68hc11cpu_io_write_buffer): Likewise for writing.
   6         (attach_m68hc11_regs): When use_bank property is defined, attach
   7         to the 68HC12 16K memory bank window.
   8         * interp.c (sim_hw_configure): Create memory region for banked
   9         memory.
  10
  11 2002-08-13  Stephane Carrez  <Stephane.Carrez@nerim.fr>
  12
  13         * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
  14         * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
  15         (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
  16
  17 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
  18
  19         * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
  20         when IO mapping changed, not when internal RAM mapping is changed.
  21
  22 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
  23
  24         * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
  25         * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
  26         (m6811_regs): Add page register.
  27         (cpu_set_page, cpu_get_page): New macros.
  28         (phys_to_virt): New function.
  29         (cpu_get_indexed_operand_addr, cpu_return): Declare.
  30         * gencode.c: Identify indirect addressing mode for call and fix daa.
  31         (gen_function_entry): New param to tell if src8/dst8 locals are
  32         necessary.
  33         (gen_interpreter): Use it to avoid generation of unused variables.
  34         * interp.c (sim_fetch_register): Allow to read page register; page
  35         register, A, B and CCR are only 1 byte wide.
  36         (sim_store_register): Likewise for writing.
  37
  38 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
  39
  40         * configure: Regenerated to track ../common/aclocal.m4 changes.
  41
  42 2002-06-09  Andrew Cagney  <cagney@redhat.com>
  43
  44         * Makefile.in (INCLUDE): Update path to callback.h.
  45         * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
  46
  47 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  48
  49         * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
  50         (cpu_move16): Likewise.
  51         (sim_memory_error): Use sim_io_printf.
  52         (cpu_option_handler): Fix compilation warning.
  53         * interp.c (sim_hw_configure): Fix compilation warning;
  54         remove m68hc12sio@2 device.
  55         (sim_open): Likewise.
  56         * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
  57         flags when reset.
  58         (cycle_to_string): Improve convertion of cpu cycle number.
  59         (m68hc11tim_info): Print info about PACNT.
  60         (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
  61         TCTL1 and TCTL2 registers.
  62         * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
  63
  64 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  65
  66         * interp.c (sim_hw_configure): Save the HW cpu pointer in the
  67         cpu struct.
  68         (sim_hw_configure): Connect the capture input/output events.
  69         * sim-main.h (_sim_cpu): New member hw_cpu.
  70         (m68hc11cpu_set_oscillator): Declare.
  71         (m68hc11cpu_clear_oscillator): Declare.
  72         (m68hc11cpu_set_port): Declare.
  73         * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
  74         (m68hc11cpu_ports): New input ports and output ports to reflect
  75         the HC11 IOs.
  76         (m68hc11_delete): Cleanup any running oscillator.
  77         (attach_m68hc11_regs): Create the input oscillators.
  78         (make_oscillator): New function.
  79         (find_oscillator): New function.
  80         (oscillator_handler): New function.
  81         (reset_oscillators): New function.
  82         (m68hc11cpu_port_event): Handle the new input ports.
  83         (m68hc11cpu_set_oscillator): New function.
  84         (m68hc11cpu_clear_oscillator): New function.
  85         (get_frequency): New function.
  86         (m68hc11_option_handler): New function.
  87         (m68hc11cpu_set_port): New function.
  88         (m68hc11cpu_io_write): Post the port output events.
  89         * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
  90         the output port value.
  91         * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
  92         by latching the TCNT value in the register.
  93
  94 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  95
  96         * sim-main.h (cpu_frame, cpu_frame_list): Remove.
  97         (cpu_frame_reg, cpu_print_frame): Remove.
  98         (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
  99         (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
 100         (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
 101         (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
 102         * m68hc11_sim.c (cpu_find_frame): Remove.
 103         (cpu_create_frame_list): Remove.
 104         (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
 105         (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
 106         (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
 107         (cpu_update_frame): Likewise.
 108         (cpu_return): Likewise.
 109         (cpu_reset): Likewise.
 110         (cpu_initialize): Likewise.
 111         * interp.c (sim_do_command): Remove call to cpu_print_frame.
 112
 113 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 114
 115         * interrupts.c (interrupts_reset): New function, setup interrupt
 116         vector address according to cpu mode.
 117         (interrupts_initialize): Move reset portion to the above.
 118         (interrupt_names): New table to give a name to interrupts.
 119         (idefs): Handle pulse accumulator interrupts.
 120         (interrupts_info): Print the interrupt history.
 121         (interrupt_option_handler): New function.
 122         (interrupt_options): New table of options.
 123         (interrupts_update_pending): Keep track of when interrupts are
 124         raised and implement breakpoint-on-raise-interrupt.
 125         (interrupts_process): Keep track of when interrupts are taken
 126         and implement breakpoint-on-interrupt.
 127         * interrupts.h (struct interrupt_history): Define.
 128         (struct interrupt): Keep track of the interrupt history.
 129         (interrupts_reset): Declare.
 130         (interrupts_initialize): Update prototype.
 131         * m68hc11_sim.c (cpu_reset): Reset interrupts.
 132         (cpu_initialize): Cleanup.
 133
 134 2001-07-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 135
 136         * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
 137         address.
 138         (m68hc11eepr_port_event): Fix detach/attach logic.
 139
 140 2001-07-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 141
 142         * Makefile.in (SIM_OBJS): Remove sim-resume.o
 143         * interp.c (sim_resume): New function from sim-resume.c, install
 144         the stepping event after having processed the pending ticks.
 145         (has_stepped): Likewise.
 146         (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
 147
 148 2001-07-10  Andrew Cagney  <ac131313@redhat.com>
 149
 150         * Makefile.in (gencode): Provide explicit path to gencode.c.
 151
 152 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 153
 154         * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
 155         (m68hc12int.c): Generate using gencode -m6812.
 156         (m68hc11int.c): Likewise with -m6811.
 157
 158         * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
 159         (m6811_page1_opcodes): Remove duplicate entries.
 160         (m6811_page2_opcodes): Likewise.
 161         (m6811_page3_opcodes): Likewise.
 162         (m6811_page4_opcodes): Likewise.
 163         (m6812_page1_opcodes): New table for 68HC12 instructions.
 164         (m6812_page2_opcodes): Likewise.
 165         (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
 166         (gen_save_result): Likewise.
 167         (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
 168         (cmp_opcode): New function for opcode comparision.
 169         (prepare_table): Sort the opcodes.
 170         (gen_interpreter): Prepare all the tables and generate either
 171         a 68HC11 or a 68HC12 simulator.
 172         (main): New options -m6811 and -m6812.
 173
 174         * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
 175         (cpu_special): Simulation of some 68HC12 instructions.
 176         (cpu_exg): New function.
 177         (cpu_dbcc): Likewise.
 178         (cpu_fetch_relbranch16): Likewise.
 179         (cpu_push_all): Push according to 68HC11 or 68HC12.
 180         (cpu_move16): Likewise.
 181         (cpu_move8): Likewise.
 182         (cpu_get_indexed_operand16): Likewise.
 183         (cpu_get_indexed_operand8): Likewise.
 184         (cpu_get_indexed_operand_addr): Likewise.
 185         (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
 186         (cpu_reset): Setup INIT register according to architecture.
 187
 188         * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
 189         (_sim_cpu): Keep track of the cpu being simulated.
 190         (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
 191         (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
 192         (cpu_m68hc11_pop_uint8): Likewise.
 193         (cpu_m68hc12_push_uintxx): New functions for 68HC12.
 194         (cpu_m68hc12_pop_uintxx): Likewise.
 195         (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
 196         (cpu_fetch_relbranch16): Likewise.
 197         (cpu_interp_m6811): Rename of cpu_interp.
 198         (cpu_interp_m6812): New function.
 199         * interp.c (free_state): New function.
 200         (dev_list_68hc12): New table.
 201         (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
 202         (sim_hw_configure): New function.
 203         (sim_prepare_for_program): New function.
 204         (sim_open): Use above new functions.
 205         (sim_close): Call free_state().
 206         (sim_info): Print info according to cpu.
 207         (sim_create_inferior): Use sim_prepare_for_program.
 208         (sim_do_command): Configure the hardware after a change of the
 209         architecture.
 210
 211 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 212
 213         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
 214         pending interrupts.
 215         * interrupts.c (interrupts_process): Keep track of the last number
 216         of masked insn cycles.
 217         (interrupts_initialize): Clear last number of masked insn cycles.
 218         (interrupts_info): Report them.
 219         (interrupts_update_pending): Compute clear and set masks of
 220         interrupts and clear the interrupt bits before setting them
 221         (due to SCI interrupt sharing).
 222         * interrupts.h (struct interrupts): New members last_mask_cycles
 223         and xirq_last_mask_cycles.
 224
 225 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 226
 227         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
 228         instead of a hard-coded value.
 229         (m68hc11cpu_io_write_buffer): Likewise.
 230         (dv_m68hc11_descriptor): Define a 68hc12 device.
 231         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
 232         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
 233         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
 234         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
 235
 236 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 237
 238         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
 239         (m68hc11cpu_delete): Delete handler to detach the address space.
 240
 241 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 242
 243         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
 244         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
 245         instead of free and malloc.
 246
 247 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 248
 249         * Makefile.in: Was missing from initial patch.
 250
 251 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 252
 253         * interp.c (sim_store_register): Remove soft register hack.
 254         (sim_fetch_register): Likewise.
 255         (sim_create_inferior): Likewise.
 256         * sim-main.h: Likewise.
 257
 258 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 259
 260         * interrupts.c (interrupts_update_pending): Clear the mask of
 261         pending interrupts here.
 262         (interrupts_get_current): Don't clear the mask of pending interrupts.
 263
 264 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 265
 266         * sim-main.h: Define cycle_to_string.
 267         * dv-m68hc11tim.c (cycle_to_string): New function to translate
 268         the cpu cycle into some formatted time string.
 269         (m68hc11tim_print_timer): Use it.
 270         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
 271         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 272         * interrupts.c (interrupts_info): Likewise.
 273         * m68hc11_sim.c (cpu_info): Likewise.
 274
 275 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 276
 277         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
 278         interrupt and compare events accurately.  Take into account the
 279         pending ticks not processed by the simulator yet (introduced a shift).
 280         (m68hc11_port_event): Reset the timer interrupt delays.
 281         (m68hc11tim_io_read_buffer): Be able to read several bytes.
 282         (m68hc11tim_io_write_buffer): Likewise for write.
 283         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
 284
 285 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 286
 287         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
 288         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
 289         (m68hc11spi_info): Clarify the status report
 290         of the SPI when a byte is being sent.
 291         (m68hc11spi_clock): Fix the spi send frame.
 292
 293 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 294
 295         * sim-main.h (m68hc11_map_level): Define level of address mappings.
 296         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
 297         whether the eeprom is currently mapped or not.
 298         (m68hc11eepr_port_event): Use the flag to see if we must unmap
 299         or map the eeprom.  Update the flag to reflect the current state.
 300         Use M6811_EEPROM_LEVEL when mapping the eeprom.
 301         (m68hc11eepr_finish): Remove overlap hack.
 302         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
 303         config and control registers.
 304         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
 305         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
 306         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
 307         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
 308         (attach_m68hc11spi_regs): Likewise.
 309         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 310         (attach_m68hc11tim_regs): Likewise.
 311         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 312         (attach_m68hc11sio_regs): Likewise.
 313         * interp.c (sim_open): Likewise.
 314         * dv-nvram.c (attach_nvram_regs): Likewise.
 315
 316 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 317
 318         * configure, config.in: Regenerate.
 319
 320 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 321
 322         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 323         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 324         (dv_m6811_detach_address_callback): New function to detach a
 325         device from an address space.
 326         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 327         config register according to --cpu-config option.
 328         * sim-main.h (_sim_cpu): Add cpu_config member.
 329         * interp.c (sim_open): Delete specific simulator options.
 330         * m68hc11_sim.c (cpu_option_handler): New options
 331         --emulos and -cpu-config <val> to configure the simulator.
 332         (cpu_initialize): Initialize cpu_config member.
 333
 334 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 335
 336         * emulos.c: Fix indentation and comments.
 337         * gencode.c: Likewise.
 338         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 339         (m68hc11tim_io_write_buffer): Write compare registers and
 340         setup compare event.
 341         * interp.c: Remove unused global variables.
 342         * interrupts.c (idefs): New compare interrupts.
 343         Fix indentation and comments.
 344         * interrupts.h: Likewise.
 345
 346 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 347
 348         * dv-m68hc11sio.c: Fix indentation and comments.
 349         Remove INT_PORT.
 350         * dv-m68hc11.c: Fix indentation and comments.
 351         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 352         * m68hc11_sim.c (cpu_reset): To here.
 353         * dv-m68hc11eepr.c: Fix indentation and comments.
 354
 355 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 356
 357         * dv-nvram.c: New file, rename from dv-pram.c.
 358         * dv-pram.c: Delete file.
 359         * sim-main.h: Incorporate m68hc11_sim.h.
 360         * m68hc11_sim.h: Delete file.
 361         * configure.in: Rename pram into nvram.
 362         * interp.c (sim_open): Likewise in creation of device tree.
 363
 364 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 365
 366         * interp.c (sim_open): Create the SPI device.
 367         * dv-m68hc11spi.c: New file for SPI device simulation.
 368         * configure.in (hw_extra_devices): Add SPI device.
 369
 370 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 371
 372         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 373         (interrupts_process): Separate IRQ and XIRQ accounting.
 374         (interrupts_info): Report XIRQ accounting.
 375         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 376
 377 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 378
 379         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 380         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 381         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 382         configuration from the 'mode' device tree property.
 383         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 384         configuration.
 385
 386 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 387
 388         * sim-main.h: Remove WITH_TARGET_* defines.
 389         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 390
 391 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 392
 393         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 394         1200 baud when cpu is in bootstrap mode.
 395
 396         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 397         write in the TCTN timer register.
 398
 399         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 400         by 4 to obtain the E clock frequency.
 401         (sccr2_desc): Use M6811_TIE for TIE bit.
 402         (m68hc11sio_info): Fix baud rate report.
 403
 404         * dv-m68hc11tim.c (to_realtime): Likewise.
 405
 406         * interp.c (sim_open): When building device tree, only provide
 407         devices that do not exist yet.
 408
 409         * emulos.c: Fix compilation pb under Windows.
 410
 411         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 412         from the 'clock' property.
 413
 414 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 415
 416         * m68hc11_sim.h (*_REGNUM): Define.
 417         (_sim_cpu): New member cpu_page0_reg table.
 418         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 419         addresses of soft registers in .page0.
 420         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 421         to get/set soft registers.
 422
 423 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 424
 425         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 426         returning random values.
 427
 428 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 429
 430         * gencode.c: Fix "subb N,x" that used a instead of b.
 431
 432 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 433
 434         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 435
 436 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 437
 438         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 439
 440 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 441
 442         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 443         register region in the m68hc11cpu struct.
 444         (m68hc11cpu_io_write): When the IO mapping addres changes,
 445         detach the register region and re-attach it at the new address.
 446         (m68hc11cpu_io_read_buffer): Renamed base_address into
 447         attach_address.
 448         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 449         to m68hc11cpu_io_write.
 450
 451 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 452
 453         * gencode.c: For sbc8, check the carry and increment the source
 454         before trying to set the carry for the result.
 455
 456 1999-05-24  John S. Kallal <kallal@voicenet.com>
 457
 458         * interp.c (sim_get_info): Don't crash if the command line is 0.
 459         Define prototype for sim_get_info() and init_system().
 460         (sim_info): Correct call to sim_get_info().
 461
 462 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 463
 464         * configure.in: Recognize m6811-*-*.
 465         * configure: Regenerate.
 466         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 467         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 468         Correct the computation of carry of 8 and 16-bits add and subtract.
 469         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 470         overflow set in a different manner than add).
 471
 472 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 473
 474         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 475         trace message.
 476         * interp.c (sim_open, sim_create_inferior): Initialize the
 477         cpu_elf_start from the ELF header.
 478         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 479         (cpu_restart): Use cpu_elf_start as the starting address when
 480         the flag is set.
 481         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 482         exits the simulator (exit status is in D).
 483         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 484         cpu_elf_star to start execution at address specified in ELF file.
 485
 486 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 487
 488         * Makefile.in, config.in, configure, configure.in: New files.
 489         * gencode.c: New file, generation of 68HC11 interpreter.
 490         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 491         for interpreter.
 492         * interrupts.c, interrupts.h: New files, management of interrupts.
 493         * interp.c, sim-main.h,
 494         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 495         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 496         68HC11 (dv-pram.c is generic and could probably migrate to common).
 497         * emulos.c: New file, basic emulation of some os.