sim/m68hc11/ChangeLog

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