sim/m68hc11/ChangeLog

   1 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
   2
   3         * sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb.
   4
   5 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
   6             Gary Piercey <gpiercey@northstar-technical.com>
   7
   8         * m68hc11_sim.c (print_io_word): New function to print 16-bit value.
   9         * sim-main.h (print_io_word): Declare.
  10         * dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1.
  11         (tflg1_desc): Likewise for TFLG1.
  12         (m68hc11tim_info): Print input and output compare registers
  13
  14 2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>
  15
  16         * Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE
  17         to 32 to support memory bank switching; temporarily use 32-bit for
  18         WORD_BITSIZE to avoid a bug in sim-common.
  19
  20 2003-03-01  Stephane Carrez  <stcarrez@nerim.fr>
  21
  22         * interp.c (sim_fetch_register): Only store a single byte for
  23         1 byte registers.
  24
  25 2003-02-27  Andrew Cagney  <cagney@redhat.com>
  26
  27         * interp.c (sim_prepare_for_program, sim_open)
  28         (sim_create_inferior): Rename _bfd to bfd.
  29
  30 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
  31
  32         * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.
  33
  34 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
  35
  36         * interp.c (sim_prepare_for_program): Look up the image for the
  37         reset vector and set cpu_use_elf_start to 1 if not found.
  38         (sim_open): Do not set cpu_use_elf_start.
  39
  40 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
  41
  42         * interp.c (sim_hw_configure): Return 1 for success.
  43         (sim_prepare_for_program): Use the sim_hw_configure exit code to
  44         return SIM_RC_FAIL.
  45
  46 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
  47
  48         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
  49         bank window to some virtual address to read from extended memory.
  50         (m68hc11cpu_io_write_buffer): Likewise for writing.
  51         (attach_m68hc11_regs): When use_bank property is defined, attach
  52         to the 68HC12 16K memory bank window.
  53         * interp.c (sim_hw_configure): Create memory region for banked
  54         memory.
  55
  56 2002-08-13  Stephane Carrez  <Stephane.Carrez@nerim.fr>
  57
  58         * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
  59         * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
  60         (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
  61
  62 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
  63
  64         * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
  65         when IO mapping changed, not when internal RAM mapping is changed.
  66
  67 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
  68
  69         * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
  70         * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
  71         (m6811_regs): Add page register.
  72         (cpu_set_page, cpu_get_page): New macros.
  73         (phys_to_virt): New function.
  74         (cpu_get_indexed_operand_addr, cpu_return): Declare.
  75         * gencode.c: Identify indirect addressing mode for call and fix daa.
  76         (gen_function_entry): New param to tell if src8/dst8 locals are
  77         necessary.
  78         (gen_interpreter): Use it to avoid generation of unused variables.
  79         * interp.c (sim_fetch_register): Allow to read page register; page
  80         register, A, B and CCR are only 1 byte wide.
  81         (sim_store_register): Likewise for writing.
  82
  83 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
  84
  85         * configure: Regenerated to track ../common/aclocal.m4 changes.
  86
  87 2002-06-09  Andrew Cagney  <cagney@redhat.com>
  88
  89         * Makefile.in (INCLUDE): Update path to callback.h.
  90         * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
  91
  92 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  93
  94         * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
  95         (cpu_move16): Likewise.
  96         (sim_memory_error): Use sim_io_printf.
  97         (cpu_option_handler): Fix compilation warning.
  98         * interp.c (sim_hw_configure): Fix compilation warning;
  99         remove m68hc12sio@2 device.
 100         (sim_open): Likewise.
 101         * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
 102         flags when reset.
 103         (cycle_to_string): Improve convertion of cpu cycle number.
 104         (m68hc11tim_info): Print info about PACNT.
 105         (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
 106         TCTL1 and TCTL2 registers.
 107         * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
 108
 109 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 110
 111         * interp.c (sim_hw_configure): Save the HW cpu pointer in the
 112         cpu struct.
 113         (sim_hw_configure): Connect the capture input/output events.
 114         * sim-main.h (_sim_cpu): New member hw_cpu.
 115         (m68hc11cpu_set_oscillator): Declare.
 116         (m68hc11cpu_clear_oscillator): Declare.
 117         (m68hc11cpu_set_port): Declare.
 118         * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
 119         (m68hc11cpu_ports): New input ports and output ports to reflect
 120         the HC11 IOs.
 121         (m68hc11_delete): Cleanup any running oscillator.
 122         (attach_m68hc11_regs): Create the input oscillators.
 123         (make_oscillator): New function.
 124         (find_oscillator): New function.
 125         (oscillator_handler): New function.
 126         (reset_oscillators): New function.
 127         (m68hc11cpu_port_event): Handle the new input ports.
 128         (m68hc11cpu_set_oscillator): New function.
 129         (m68hc11cpu_clear_oscillator): New function.
 130         (get_frequency): New function.
 131         (m68hc11_option_handler): New function.
 132         (m68hc11cpu_set_port): New function.
 133         (m68hc11cpu_io_write): Post the port output events.
 134         * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
 135         the output port value.
 136         * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
 137         by latching the TCNT value in the register.
 138
 139 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 140
 141         * sim-main.h (cpu_frame, cpu_frame_list): Remove.
 142         (cpu_frame_reg, cpu_print_frame): Remove.
 143         (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
 144         (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
 145         (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
 146         (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
 147         * m68hc11_sim.c (cpu_find_frame): Remove.
 148         (cpu_create_frame_list): Remove.
 149         (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
 150         (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
 151         (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
 152         (cpu_update_frame): Likewise.
 153         (cpu_return): Likewise.
 154         (cpu_reset): Likewise.
 155         (cpu_initialize): Likewise.
 156         * interp.c (sim_do_command): Remove call to cpu_print_frame.
 157
 158 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 159
 160         * interrupts.c (interrupts_reset): New function, setup interrupt
 161         vector address according to cpu mode.
 162         (interrupts_initialize): Move reset portion to the above.
 163         (interrupt_names): New table to give a name to interrupts.
 164         (idefs): Handle pulse accumulator interrupts.
 165         (interrupts_info): Print the interrupt history.
 166         (interrupt_option_handler): New function.
 167         (interrupt_options): New table of options.
 168         (interrupts_update_pending): Keep track of when interrupts are
 169         raised and implement breakpoint-on-raise-interrupt.
 170         (interrupts_process): Keep track of when interrupts are taken
 171         and implement breakpoint-on-interrupt.
 172         * interrupts.h (struct interrupt_history): Define.
 173         (struct interrupt): Keep track of the interrupt history.
 174         (interrupts_reset): Declare.
 175         (interrupts_initialize): Update prototype.
 176         * m68hc11_sim.c (cpu_reset): Reset interrupts.
 177         (cpu_initialize): Cleanup.
 178
 179 2001-07-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 180
 181         * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
 182         address.
 183         (m68hc11eepr_port_event): Fix detach/attach logic.
 184
 185 2001-07-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 186
 187         * Makefile.in (SIM_OBJS): Remove sim-resume.o
 188         * interp.c (sim_resume): New function from sim-resume.c, install
 189         the stepping event after having processed the pending ticks.
 190         (has_stepped): Likewise.
 191         (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
 192
 193 2001-07-10  Andrew Cagney  <ac131313@redhat.com>
 194
 195         * Makefile.in (gencode): Provide explicit path to gencode.c.
 196
 197 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 198
 199         * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
 200         (m68hc12int.c): Generate using gencode -m6812.
 201         (m68hc11int.c): Likewise with -m6811.
 202
 203         * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
 204         (m6811_page1_opcodes): Remove duplicate entries.
 205         (m6811_page2_opcodes): Likewise.
 206         (m6811_page3_opcodes): Likewise.
 207         (m6811_page4_opcodes): Likewise.
 208         (m6812_page1_opcodes): New table for 68HC12 instructions.
 209         (m6812_page2_opcodes): Likewise.
 210         (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
 211         (gen_save_result): Likewise.
 212         (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
 213         (cmp_opcode): New function for opcode comparision.
 214         (prepare_table): Sort the opcodes.
 215         (gen_interpreter): Prepare all the tables and generate either
 216         a 68HC11 or a 68HC12 simulator.
 217         (main): New options -m6811 and -m6812.
 218
 219         * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
 220         (cpu_special): Simulation of some 68HC12 instructions.
 221         (cpu_exg): New function.
 222         (cpu_dbcc): Likewise.
 223         (cpu_fetch_relbranch16): Likewise.
 224         (cpu_push_all): Push according to 68HC11 or 68HC12.
 225         (cpu_move16): Likewise.
 226         (cpu_move8): Likewise.
 227         (cpu_get_indexed_operand16): Likewise.
 228         (cpu_get_indexed_operand8): Likewise.
 229         (cpu_get_indexed_operand_addr): Likewise.
 230         (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
 231         (cpu_reset): Setup INIT register according to architecture.
 232
 233         * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
 234         (_sim_cpu): Keep track of the cpu being simulated.
 235         (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
 236         (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
 237         (cpu_m68hc11_pop_uint8): Likewise.
 238         (cpu_m68hc12_push_uintxx): New functions for 68HC12.
 239         (cpu_m68hc12_pop_uintxx): Likewise.
 240         (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
 241         (cpu_fetch_relbranch16): Likewise.
 242         (cpu_interp_m6811): Rename of cpu_interp.
 243         (cpu_interp_m6812): New function.
 244         * interp.c (free_state): New function.
 245         (dev_list_68hc12): New table.
 246         (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
 247         (sim_hw_configure): New function.
 248         (sim_prepare_for_program): New function.
 249         (sim_open): Use above new functions.
 250         (sim_close): Call free_state().
 251         (sim_info): Print info according to cpu.
 252         (sim_create_inferior): Use sim_prepare_for_program.
 253         (sim_do_command): Configure the hardware after a change of the
 254         architecture.
 255
 256 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 257
 258         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
 259         pending interrupts.
 260         * interrupts.c (interrupts_process): Keep track of the last number
 261         of masked insn cycles.
 262         (interrupts_initialize): Clear last number of masked insn cycles.
 263         (interrupts_info): Report them.
 264         (interrupts_update_pending): Compute clear and set masks of
 265         interrupts and clear the interrupt bits before setting them
 266         (due to SCI interrupt sharing).
 267         * interrupts.h (struct interrupts): New members last_mask_cycles
 268         and xirq_last_mask_cycles.
 269
 270 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 271
 272         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
 273         instead of a hard-coded value.
 274         (m68hc11cpu_io_write_buffer): Likewise.
 275         (dv_m68hc11_descriptor): Define a 68hc12 device.
 276         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
 277         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
 278         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
 279         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
 280
 281 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 282
 283         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
 284         (m68hc11cpu_delete): Delete handler to detach the address space.
 285
 286 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 287
 288         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
 289         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
 290         instead of free and malloc.
 291
 292 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 293
 294         * Makefile.in: Was missing from initial patch.
 295
 296 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 297
 298         * interp.c (sim_store_register): Remove soft register hack.
 299         (sim_fetch_register): Likewise.
 300         (sim_create_inferior): Likewise.
 301         * sim-main.h: Likewise.
 302
 303 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 304
 305         * interrupts.c (interrupts_update_pending): Clear the mask of
 306         pending interrupts here.
 307         (interrupts_get_current): Don't clear the mask of pending interrupts.
 308
 309 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 310
 311         * sim-main.h: Define cycle_to_string.
 312         * dv-m68hc11tim.c (cycle_to_string): New function to translate
 313         the cpu cycle into some formatted time string.
 314         (m68hc11tim_print_timer): Use it.
 315         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
 316         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 317         * interrupts.c (interrupts_info): Likewise.
 318         * m68hc11_sim.c (cpu_info): Likewise.
 319
 320 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 321
 322         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
 323         interrupt and compare events accurately.  Take into account the
 324         pending ticks not processed by the simulator yet (introduced a shift).
 325         (m68hc11_port_event): Reset the timer interrupt delays.
 326         (m68hc11tim_io_read_buffer): Be able to read several bytes.
 327         (m68hc11tim_io_write_buffer): Likewise for write.
 328         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
 329
 330 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 331
 332         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
 333         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
 334         (m68hc11spi_info): Clarify the status report
 335         of the SPI when a byte is being sent.
 336         (m68hc11spi_clock): Fix the spi send frame.
 337
 338 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 339
 340         * sim-main.h (m68hc11_map_level): Define level of address mappings.
 341         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
 342         whether the eeprom is currently mapped or not.
 343         (m68hc11eepr_port_event): Use the flag to see if we must unmap
 344         or map the eeprom.  Update the flag to reflect the current state.
 345         Use M6811_EEPROM_LEVEL when mapping the eeprom.
 346         (m68hc11eepr_finish): Remove overlap hack.
 347         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
 348         config and control registers.
 349         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
 350         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
 351         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
 352         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
 353         (attach_m68hc11spi_regs): Likewise.
 354         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 355         (attach_m68hc11tim_regs): Likewise.
 356         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 357         (attach_m68hc11sio_regs): Likewise.
 358         * interp.c (sim_open): Likewise.
 359         * dv-nvram.c (attach_nvram_regs): Likewise.
 360
 361 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 362
 363         * configure, config.in: Regenerate.
 364
 365 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 366
 367         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 368         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 369         (dv_m6811_detach_address_callback): New function to detach a
 370         device from an address space.
 371         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 372         config register according to --cpu-config option.
 373         * sim-main.h (_sim_cpu): Add cpu_config member.
 374         * interp.c (sim_open): Delete specific simulator options.
 375         * m68hc11_sim.c (cpu_option_handler): New options
 376         --emulos and -cpu-config <val> to configure the simulator.
 377         (cpu_initialize): Initialize cpu_config member.
 378
 379 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 380
 381         * emulos.c: Fix indentation and comments.
 382         * gencode.c: Likewise.
 383         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 384         (m68hc11tim_io_write_buffer): Write compare registers and
 385         setup compare event.
 386         * interp.c: Remove unused global variables.
 387         * interrupts.c (idefs): New compare interrupts.
 388         Fix indentation and comments.
 389         * interrupts.h: Likewise.
 390
 391 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 392
 393         * dv-m68hc11sio.c: Fix indentation and comments.
 394         Remove INT_PORT.
 395         * dv-m68hc11.c: Fix indentation and comments.
 396         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 397         * m68hc11_sim.c (cpu_reset): To here.
 398         * dv-m68hc11eepr.c: Fix indentation and comments.
 399
 400 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 401
 402         * dv-nvram.c: New file, rename from dv-pram.c.
 403         * dv-pram.c: Delete file.
 404         * sim-main.h: Incorporate m68hc11_sim.h.
 405         * m68hc11_sim.h: Delete file.
 406         * configure.in: Rename pram into nvram.
 407         * interp.c (sim_open): Likewise in creation of device tree.
 408
 409 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 410
 411         * interp.c (sim_open): Create the SPI device.
 412         * dv-m68hc11spi.c: New file for SPI device simulation.
 413         * configure.in (hw_extra_devices): Add SPI device.
 414
 415 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 416
 417         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 418         (interrupts_process): Separate IRQ and XIRQ accounting.
 419         (interrupts_info): Report XIRQ accounting.
 420         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 421
 422 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 423
 424         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 425         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 426         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 427         configuration from the 'mode' device tree property.
 428         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 429         configuration.
 430
 431 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 432
 433         * sim-main.h: Remove WITH_TARGET_* defines.
 434         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 435
 436 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 437
 438         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 439         1200 baud when cpu is in bootstrap mode.
 440
 441         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 442         write in the TCTN timer register.
 443
 444         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 445         by 4 to obtain the E clock frequency.
 446         (sccr2_desc): Use M6811_TIE for TIE bit.
 447         (m68hc11sio_info): Fix baud rate report.
 448
 449         * dv-m68hc11tim.c (to_realtime): Likewise.
 450
 451         * interp.c (sim_open): When building device tree, only provide
 452         devices that do not exist yet.
 453
 454         * emulos.c: Fix compilation pb under Windows.
 455
 456         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 457         from the 'clock' property.
 458
 459 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 460
 461         * m68hc11_sim.h (*_REGNUM): Define.
 462         (_sim_cpu): New member cpu_page0_reg table.
 463         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 464         addresses of soft registers in .page0.
 465         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 466         to get/set soft registers.
 467
 468 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 469
 470         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 471         returning random values.
 472
 473 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 474
 475         * gencode.c: Fix "subb N,x" that used a instead of b.
 476
 477 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 478
 479         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 480
 481 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 482
 483         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 484
 485 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 486
 487         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 488         register region in the m68hc11cpu struct.
 489         (m68hc11cpu_io_write): When the IO mapping addres changes,
 490         detach the register region and re-attach it at the new address.
 491         (m68hc11cpu_io_read_buffer): Renamed base_address into
 492         attach_address.
 493         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 494         to m68hc11cpu_io_write.
 495
 496 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 497
 498         * gencode.c: For sbc8, check the carry and increment the source
 499         before trying to set the carry for the result.
 500
 501 1999-05-24  John S. Kallal <kallal@voicenet.com>
 502
 503         * interp.c (sim_get_info): Don't crash if the command line is 0.
 504         Define prototype for sim_get_info() and init_system().
 505         (sim_info): Correct call to sim_get_info().
 506
 507 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 508
 509         * configure.in: Recognize m6811-*-*.
 510         * configure: Regenerate.
 511         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 512         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 513         Correct the computation of carry of 8 and 16-bits add and subtract.
 514         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 515         overflow set in a different manner than add).
 516
 517 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 518
 519         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 520         trace message.
 521         * interp.c (sim_open, sim_create_inferior): Initialize the
 522         cpu_elf_start from the ELF header.
 523         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 524         (cpu_restart): Use cpu_elf_start as the starting address when
 525         the flag is set.
 526         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 527         exits the simulator (exit status is in D).
 528         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 529         cpu_elf_star to start execution at address specified in ELF file.
 530
 531 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 532
 533         * Makefile.in, config.in, configure, configure.in: New files.
 534         * gencode.c: New file, generation of 68HC11 interpreter.
 535         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 536         for interpreter.
 537         * interrupts.c, interrupts.h: New files, management of interrupts.
 538         * interp.c, sim-main.h,
 539         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 540         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 541         68HC11 (dv-pram.c is generic and could probably migrate to common).
 542         * emulos.c: New file, basic emulation of some os.