sim/m68hc11/ChangeLog

   1 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4
   5 2005-01-07  Andrew Cagney  <cagney@gnu.org>
   6
   7         * configure.ac: Rename configure.in, require autoconf 2.59.
   8         * configure: Re-generate.
   9
  10 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
  11
  12         * configure: Regenerate for ../common/aclocal.m4 update.
  13
  14 2004-06-15  Alan Modra  <amodra@bigpond.net.au>
  15
  16         * interp.c (sim_prepare_for_program): Use bfd_get_section_size
  17         instead of bfd_get_section_size_before_reloc.
  18
  19 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
  20
  21         * dv-m68hc11tim.c (cycle_to_string): Add flags parameter to better
  22         control the translation.
  23         (m68hc11tim_print_timer): Update cycle_to_string conversion.
  24         (m68hc11tim_timer_event): Fix handling of output
  25         compare register with its interrupts.
  26         (m68hc11tim_io_write_buffer): Check output compare
  27         after setting M6811_TMSK1.
  28         (m68hc11tim_io_read_buffer): Fix compilation warning.
  29         * dv-m68hc11.c (m68hc11_option_handler): Likewise.
  30         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
  31         * dv-m68hc11sio.c (m68hc11sio_info): Likewise.
  32         * interrupts.c (interrupts_info): Likewise.
  33         (interrupts_reset): Recognize bootstrap mode.
  34         * sim-main.h (PRINT_CYCLE, PRINT_TIME): New defines.
  35         (_sim_cpu): Add cpu_start_mode.
  36         (cycle_to_string): Add flags member.
  37         * m68hc11_sim.c (OPTION_CPU_BOOTSTRAP): New option.
  38         (cpu_options): Declare new option bootstrap.
  39         (cpu_option_handler): Handle it.
  40         (cpu_info): Update call to cycle_to_string.
  41
  42 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
  43
  44         * sim-main.h (phys_to_virt): Use memory bank parameters to translate
  45         the physical address in virtual address.
  46         (struct _sim_cpu): Add memory bank members.
  47         * m68hc11_sim.c (cpu_initialize): Clear memory bank parameters.
  48         * interp.c (sim_hw_configure): Create memory bank according to memory
  49         bank parameters.
  50         (sim_get_bank_parameters): New function to obtain memory bank config
  51         from the symbol table.
  52         (sim_prepare_for_program): Call it to obtain the memory bank parameters.
  53         (sim_open): Call sim_prepare_for_program.
  54         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Use memory bank parameters
  55         to check if address is within bank window.
  56         (m68hc11cpu_io_read_buffer): Likewise.
  57         (attach_m68hc11_regs): Map the memory bank according to memory bank
  58         parameters.
  59
  60 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
  61
  62         * sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb.
  63
  64 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
  65             Gary Piercey <gpiercey@northstar-technical.com>
  66
  67         * m68hc11_sim.c (print_io_word): New function to print 16-bit value.
  68         * sim-main.h (print_io_word): Declare.
  69         * dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1.
  70         (tflg1_desc): Likewise for TFLG1.
  71         (m68hc11tim_info): Print input and output compare registers
  72
  73 2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>
  74
  75         * Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE
  76         to 32 to support memory bank switching; temporarily use 32-bit for
  77         WORD_BITSIZE to avoid a bug in sim-common.
  78
  79 2003-03-01  Stephane Carrez  <stcarrez@nerim.fr>
  80
  81         * interp.c (sim_fetch_register): Only store a single byte for
  82         1 byte registers.
  83
  84 2003-02-27  Andrew Cagney  <cagney@redhat.com>
  85
  86         * interp.c (sim_prepare_for_program, sim_open)
  87         (sim_create_inferior): Rename _bfd to bfd.
  88
  89 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
  90
  91         * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.
  92
  93 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
  94
  95         * interp.c (sim_prepare_for_program): Look up the image for the
  96         reset vector and set cpu_use_elf_start to 1 if not found.
  97         (sim_open): Do not set cpu_use_elf_start.
  98
  99 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 100
 101         * interp.c (sim_hw_configure): Return 1 for success.
 102         (sim_prepare_for_program): Use the sim_hw_configure exit code to
 103         return SIM_RC_FAIL.
 104
 105 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 106
 107         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
 108         bank window to some virtual address to read from extended memory.
 109         (m68hc11cpu_io_write_buffer): Likewise for writing.
 110         (attach_m68hc11_regs): When use_bank property is defined, attach
 111         to the 68HC12 16K memory bank window.
 112         * interp.c (sim_hw_configure): Create memory region for banked
 113         memory.
 114
 115 2002-08-13  Stephane Carrez  <Stephane.Carrez@nerim.fr>
 116
 117         * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
 118         * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
 119         (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
 120
 121 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 122
 123         * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
 124         when IO mapping changed, not when internal RAM mapping is changed.
 125
 126 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 127
 128         * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
 129         * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
 130         (m6811_regs): Add page register.
 131         (cpu_set_page, cpu_get_page): New macros.
 132         (phys_to_virt): New function.
 133         (cpu_get_indexed_operand_addr, cpu_return): Declare.
 134         * gencode.c: Identify indirect addressing mode for call and fix daa.
 135         (gen_function_entry): New param to tell if src8/dst8 locals are
 136         necessary.
 137         (gen_interpreter): Use it to avoid generation of unused variables.
 138         * interp.c (sim_fetch_register): Allow to read page register; page
 139         register, A, B and CCR are only 1 byte wide.
 140         (sim_store_register): Likewise for writing.
 141
 142 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 143
 144         * configure: Regenerated to track ../common/aclocal.m4 changes.
 145
 146 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 147
 148         * Makefile.in (INCLUDE): Update path to callback.h.
 149         * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 150
 151 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 152
 153         * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
 154         (cpu_move16): Likewise.
 155         (sim_memory_error): Use sim_io_printf.
 156         (cpu_option_handler): Fix compilation warning.
 157         * interp.c (sim_hw_configure): Fix compilation warning;
 158         remove m68hc12sio@2 device.
 159         (sim_open): Likewise.
 160         * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
 161         flags when reset.
 162         (cycle_to_string): Improve convertion of cpu cycle number.
 163         (m68hc11tim_info): Print info about PACNT.
 164         (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
 165         TCTL1 and TCTL2 registers.
 166         * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
 167
 168 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 169
 170         * interp.c (sim_hw_configure): Save the HW cpu pointer in the
 171         cpu struct.
 172         (sim_hw_configure): Connect the capture input/output events.
 173         * sim-main.h (_sim_cpu): New member hw_cpu.
 174         (m68hc11cpu_set_oscillator): Declare.
 175         (m68hc11cpu_clear_oscillator): Declare.
 176         (m68hc11cpu_set_port): Declare.
 177         * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
 178         (m68hc11cpu_ports): New input ports and output ports to reflect
 179         the HC11 IOs.
 180         (m68hc11_delete): Cleanup any running oscillator.
 181         (attach_m68hc11_regs): Create the input oscillators.
 182         (make_oscillator): New function.
 183         (find_oscillator): New function.
 184         (oscillator_handler): New function.
 185         (reset_oscillators): New function.
 186         (m68hc11cpu_port_event): Handle the new input ports.
 187         (m68hc11cpu_set_oscillator): New function.
 188         (m68hc11cpu_clear_oscillator): New function.
 189         (get_frequency): New function.
 190         (m68hc11_option_handler): New function.
 191         (m68hc11cpu_set_port): New function.
 192         (m68hc11cpu_io_write): Post the port output events.
 193         * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
 194         the output port value.
 195         * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
 196         by latching the TCNT value in the register.
 197
 198 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 199
 200         * sim-main.h (cpu_frame, cpu_frame_list): Remove.
 201         (cpu_frame_reg, cpu_print_frame): Remove.
 202         (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
 203         (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
 204         (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
 205         (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
 206         * m68hc11_sim.c (cpu_find_frame): Remove.
 207         (cpu_create_frame_list): Remove.
 208         (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
 209         (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
 210         (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
 211         (cpu_update_frame): Likewise.
 212         (cpu_return): Likewise.
 213         (cpu_reset): Likewise.
 214         (cpu_initialize): Likewise.
 215         * interp.c (sim_do_command): Remove call to cpu_print_frame.
 216
 217 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 218
 219         * interrupts.c (interrupts_reset): New function, setup interrupt
 220         vector address according to cpu mode.
 221         (interrupts_initialize): Move reset portion to the above.
 222         (interrupt_names): New table to give a name to interrupts.
 223         (idefs): Handle pulse accumulator interrupts.
 224         (interrupts_info): Print the interrupt history.
 225         (interrupt_option_handler): New function.
 226         (interrupt_options): New table of options.
 227         (interrupts_update_pending): Keep track of when interrupts are
 228         raised and implement breakpoint-on-raise-interrupt.
 229         (interrupts_process): Keep track of when interrupts are taken
 230         and implement breakpoint-on-interrupt.
 231         * interrupts.h (struct interrupt_history): Define.
 232         (struct interrupt): Keep track of the interrupt history.
 233         (interrupts_reset): Declare.
 234         (interrupts_initialize): Update prototype.
 235         * m68hc11_sim.c (cpu_reset): Reset interrupts.
 236         (cpu_initialize): Cleanup.
 237
 238 2001-07-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 239
 240         * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
 241         address.
 242         (m68hc11eepr_port_event): Fix detach/attach logic.
 243
 244 2001-07-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 245
 246         * Makefile.in (SIM_OBJS): Remove sim-resume.o
 247         * interp.c (sim_resume): New function from sim-resume.c, install
 248         the stepping event after having processed the pending ticks.
 249         (has_stepped): Likewise.
 250         (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
 251
 252 2001-07-10  Andrew Cagney  <ac131313@redhat.com>
 253
 254         * Makefile.in (gencode): Provide explicit path to gencode.c.
 255
 256 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 257
 258         * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
 259         (m68hc12int.c): Generate using gencode -m6812.
 260         (m68hc11int.c): Likewise with -m6811.
 261
 262         * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
 263         (m6811_page1_opcodes): Remove duplicate entries.
 264         (m6811_page2_opcodes): Likewise.
 265         (m6811_page3_opcodes): Likewise.
 266         (m6811_page4_opcodes): Likewise.
 267         (m6812_page1_opcodes): New table for 68HC12 instructions.
 268         (m6812_page2_opcodes): Likewise.
 269         (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
 270         (gen_save_result): Likewise.
 271         (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
 272         (cmp_opcode): New function for opcode comparision.
 273         (prepare_table): Sort the opcodes.
 274         (gen_interpreter): Prepare all the tables and generate either
 275         a 68HC11 or a 68HC12 simulator.
 276         (main): New options -m6811 and -m6812.
 277
 278         * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
 279         (cpu_special): Simulation of some 68HC12 instructions.
 280         (cpu_exg): New function.
 281         (cpu_dbcc): Likewise.
 282         (cpu_fetch_relbranch16): Likewise.
 283         (cpu_push_all): Push according to 68HC11 or 68HC12.
 284         (cpu_move16): Likewise.
 285         (cpu_move8): Likewise.
 286         (cpu_get_indexed_operand16): Likewise.
 287         (cpu_get_indexed_operand8): Likewise.
 288         (cpu_get_indexed_operand_addr): Likewise.
 289         (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
 290         (cpu_reset): Setup INIT register according to architecture.
 291
 292         * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
 293         (_sim_cpu): Keep track of the cpu being simulated.
 294         (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
 295         (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
 296         (cpu_m68hc11_pop_uint8): Likewise.
 297         (cpu_m68hc12_push_uintxx): New functions for 68HC12.
 298         (cpu_m68hc12_pop_uintxx): Likewise.
 299         (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
 300         (cpu_fetch_relbranch16): Likewise.
 301         (cpu_interp_m6811): Rename of cpu_interp.
 302         (cpu_interp_m6812): New function.
 303         * interp.c (free_state): New function.
 304         (dev_list_68hc12): New table.
 305         (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
 306         (sim_hw_configure): New function.
 307         (sim_prepare_for_program): New function.
 308         (sim_open): Use above new functions.
 309         (sim_close): Call free_state().
 310         (sim_info): Print info according to cpu.
 311         (sim_create_inferior): Use sim_prepare_for_program.
 312         (sim_do_command): Configure the hardware after a change of the
 313         architecture.
 314
 315 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 316
 317         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
 318         pending interrupts.
 319         * interrupts.c (interrupts_process): Keep track of the last number
 320         of masked insn cycles.
 321         (interrupts_initialize): Clear last number of masked insn cycles.
 322         (interrupts_info): Report them.
 323         (interrupts_update_pending): Compute clear and set masks of
 324         interrupts and clear the interrupt bits before setting them
 325         (due to SCI interrupt sharing).
 326         * interrupts.h (struct interrupts): New members last_mask_cycles
 327         and xirq_last_mask_cycles.
 328
 329 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 330
 331         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
 332         instead of a hard-coded value.
 333         (m68hc11cpu_io_write_buffer): Likewise.
 334         (dv_m68hc11_descriptor): Define a 68hc12 device.
 335         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
 336         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
 337         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
 338         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
 339
 340 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 341
 342         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
 343         (m68hc11cpu_delete): Delete handler to detach the address space.
 344
 345 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 346
 347         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
 348         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
 349         instead of free and malloc.
 350
 351 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 352
 353         * Makefile.in: Was missing from initial patch.
 354
 355 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 356
 357         * interp.c (sim_store_register): Remove soft register hack.
 358         (sim_fetch_register): Likewise.
 359         (sim_create_inferior): Likewise.
 360         * sim-main.h: Likewise.
 361
 362 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 363
 364         * interrupts.c (interrupts_update_pending): Clear the mask of
 365         pending interrupts here.
 366         (interrupts_get_current): Don't clear the mask of pending interrupts.
 367
 368 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 369
 370         * sim-main.h: Define cycle_to_string.
 371         * dv-m68hc11tim.c (cycle_to_string): New function to translate
 372         the cpu cycle into some formatted time string.
 373         (m68hc11tim_print_timer): Use it.
 374         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
 375         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 376         * interrupts.c (interrupts_info): Likewise.
 377         * m68hc11_sim.c (cpu_info): Likewise.
 378
 379 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 380
 381         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
 382         interrupt and compare events accurately.  Take into account the
 383         pending ticks not processed by the simulator yet (introduced a shift).
 384         (m68hc11_port_event): Reset the timer interrupt delays.
 385         (m68hc11tim_io_read_buffer): Be able to read several bytes.
 386         (m68hc11tim_io_write_buffer): Likewise for write.
 387         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
 388
 389 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 390
 391         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
 392         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
 393         (m68hc11spi_info): Clarify the status report
 394         of the SPI when a byte is being sent.
 395         (m68hc11spi_clock): Fix the spi send frame.
 396
 397 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 398
 399         * sim-main.h (m68hc11_map_level): Define level of address mappings.
 400         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
 401         whether the eeprom is currently mapped or not.
 402         (m68hc11eepr_port_event): Use the flag to see if we must unmap
 403         or map the eeprom.  Update the flag to reflect the current state.
 404         Use M6811_EEPROM_LEVEL when mapping the eeprom.
 405         (m68hc11eepr_finish): Remove overlap hack.
 406         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
 407         config and control registers.
 408         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
 409         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
 410         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
 411         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
 412         (attach_m68hc11spi_regs): Likewise.
 413         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 414         (attach_m68hc11tim_regs): Likewise.
 415         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 416         (attach_m68hc11sio_regs): Likewise.
 417         * interp.c (sim_open): Likewise.
 418         * dv-nvram.c (attach_nvram_regs): Likewise.
 419
 420 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 421
 422         * configure, config.in: Regenerate.
 423
 424 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 425
 426         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 427         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 428         (dv_m6811_detach_address_callback): New function to detach a
 429         device from an address space.
 430         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 431         config register according to --cpu-config option.
 432         * sim-main.h (_sim_cpu): Add cpu_config member.
 433         * interp.c (sim_open): Delete specific simulator options.
 434         * m68hc11_sim.c (cpu_option_handler): New options
 435         --emulos and -cpu-config <val> to configure the simulator.
 436         (cpu_initialize): Initialize cpu_config member.
 437
 438 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 439
 440         * emulos.c: Fix indentation and comments.
 441         * gencode.c: Likewise.
 442         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 443         (m68hc11tim_io_write_buffer): Write compare registers and
 444         setup compare event.
 445         * interp.c: Remove unused global variables.
 446         * interrupts.c (idefs): New compare interrupts.
 447         Fix indentation and comments.
 448         * interrupts.h: Likewise.
 449
 450 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 451
 452         * dv-m68hc11sio.c: Fix indentation and comments.
 453         Remove INT_PORT.
 454         * dv-m68hc11.c: Fix indentation and comments.
 455         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 456         * m68hc11_sim.c (cpu_reset): To here.
 457         * dv-m68hc11eepr.c: Fix indentation and comments.
 458
 459 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 460
 461         * dv-nvram.c: New file, rename from dv-pram.c.
 462         * dv-pram.c: Delete file.
 463         * sim-main.h: Incorporate m68hc11_sim.h.
 464         * m68hc11_sim.h: Delete file.
 465         * configure.in: Rename pram into nvram.
 466         * interp.c (sim_open): Likewise in creation of device tree.
 467
 468 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 469
 470         * interp.c (sim_open): Create the SPI device.
 471         * dv-m68hc11spi.c: New file for SPI device simulation.
 472         * configure.in (hw_extra_devices): Add SPI device.
 473
 474 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 475
 476         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 477         (interrupts_process): Separate IRQ and XIRQ accounting.
 478         (interrupts_info): Report XIRQ accounting.
 479         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 480
 481 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 482
 483         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 484         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 485         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 486         configuration from the 'mode' device tree property.
 487         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 488         configuration.
 489
 490 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 491
 492         * sim-main.h: Remove WITH_TARGET_* defines.
 493         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 494
 495 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 496
 497         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 498         1200 baud when cpu is in bootstrap mode.
 499
 500         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 501         write in the TCTN timer register.
 502
 503         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 504         by 4 to obtain the E clock frequency.
 505         (sccr2_desc): Use M6811_TIE for TIE bit.
 506         (m68hc11sio_info): Fix baud rate report.
 507
 508         * dv-m68hc11tim.c (to_realtime): Likewise.
 509
 510         * interp.c (sim_open): When building device tree, only provide
 511         devices that do not exist yet.
 512
 513         * emulos.c: Fix compilation pb under Windows.
 514
 515         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 516         from the 'clock' property.
 517
 518 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 519
 520         * m68hc11_sim.h (*_REGNUM): Define.
 521         (_sim_cpu): New member cpu_page0_reg table.
 522         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 523         addresses of soft registers in .page0.
 524         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 525         to get/set soft registers.
 526
 527 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 528
 529         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 530         returning random values.
 531
 532 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 533
 534         * gencode.c: Fix "subb N,x" that used a instead of b.
 535
 536 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 537
 538         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 539
 540 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 541
 542         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 543
 544 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 545
 546         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 547         register region in the m68hc11cpu struct.
 548         (m68hc11cpu_io_write): When the IO mapping addres changes,
 549         detach the register region and re-attach it at the new address.
 550         (m68hc11cpu_io_read_buffer): Renamed base_address into
 551         attach_address.
 552         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 553         to m68hc11cpu_io_write.
 554
 555 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 556
 557         * gencode.c: For sbc8, check the carry and increment the source
 558         before trying to set the carry for the result.
 559
 560 1999-05-24  John S. Kallal <kallal@voicenet.com>
 561
 562         * interp.c (sim_get_info): Don't crash if the command line is 0.
 563         Define prototype for sim_get_info() and init_system().
 564         (sim_info): Correct call to sim_get_info().
 565
 566 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 567
 568         * configure.in: Recognize m6811-*-*.
 569         * configure: Regenerate.
 570         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 571         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 572         Correct the computation of carry of 8 and 16-bits add and subtract.
 573         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 574         overflow set in a different manner than add).
 575
 576 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 577
 578         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 579         trace message.
 580         * interp.c (sim_open, sim_create_inferior): Initialize the
 581         cpu_elf_start from the ELF header.
 582         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 583         (cpu_restart): Use cpu_elf_start as the starting address when
 584         the flag is set.
 585         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 586         exits the simulator (exit status is in D).
 587         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 588         cpu_elf_star to start execution at address specified in ELF file.
 589
 590 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 591
 592         * Makefile.in, config.in, configure, configure.in: New files.
 593         * gencode.c: New file, generation of 68HC11 interpreter.
 594         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 595         for interpreter.
 596         * interrupts.c, interrupts.h: New files, management of interrupts.
 597         * interp.c, sim-main.h,
 598         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 599         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 600         68HC11 (dv-pram.c is generic and could probably migrate to common).
 601         * emulos.c: New file, basic emulation of some os.