sim/m68hc11/ChangeLog

   1 2005-01-14  Andrew Cagney  <cagney@gnu.org>
   2
   3         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
   4         explicit call to AC_CONFIG_HEADER.
   5         * configure: Regenerate.
   6
   7 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
   8
   9         * configure: Regenerated to track ../common/aclocal.m4 changes.
  10
  11 2005-01-07  Andrew Cagney  <cagney@gnu.org>
  12
  13         * configure.ac: Rename configure.in, require autoconf 2.59.
  14         * configure: Re-generate.
  15
  16 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
  17
  18         * configure: Regenerate for ../common/aclocal.m4 update.
  19
  20 2004-06-15  Alan Modra  <amodra@bigpond.net.au>
  21
  22         * interp.c (sim_prepare_for_program): Use bfd_get_section_size
  23         instead of bfd_get_section_size_before_reloc.
  24
  25 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
  26
  27         * dv-m68hc11tim.c (cycle_to_string): Add flags parameter to better
  28         control the translation.
  29         (m68hc11tim_print_timer): Update cycle_to_string conversion.
  30         (m68hc11tim_timer_event): Fix handling of output
  31         compare register with its interrupts.
  32         (m68hc11tim_io_write_buffer): Check output compare
  33         after setting M6811_TMSK1.
  34         (m68hc11tim_io_read_buffer): Fix compilation warning.
  35         * dv-m68hc11.c (m68hc11_option_handler): Likewise.
  36         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
  37         * dv-m68hc11sio.c (m68hc11sio_info): Likewise.
  38         * interrupts.c (interrupts_info): Likewise.
  39         (interrupts_reset): Recognize bootstrap mode.
  40         * sim-main.h (PRINT_CYCLE, PRINT_TIME): New defines.
  41         (_sim_cpu): Add cpu_start_mode.
  42         (cycle_to_string): Add flags member.
  43         * m68hc11_sim.c (OPTION_CPU_BOOTSTRAP): New option.
  44         (cpu_options): Declare new option bootstrap.
  45         (cpu_option_handler): Handle it.
  46         (cpu_info): Update call to cycle_to_string.
  47
  48 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
  49
  50         * sim-main.h (phys_to_virt): Use memory bank parameters to translate
  51         the physical address in virtual address.
  52         (struct _sim_cpu): Add memory bank members.
  53         * m68hc11_sim.c (cpu_initialize): Clear memory bank parameters.
  54         * interp.c (sim_hw_configure): Create memory bank according to memory
  55         bank parameters.
  56         (sim_get_bank_parameters): New function to obtain memory bank config
  57         from the symbol table.
  58         (sim_prepare_for_program): Call it to obtain the memory bank parameters.
  59         (sim_open): Call sim_prepare_for_program.
  60         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Use memory bank parameters
  61         to check if address is within bank window.
  62         (m68hc11cpu_io_read_buffer): Likewise.
  63         (attach_m68hc11_regs): Map the memory bank according to memory bank
  64         parameters.
  65
  66 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
  67
  68         * sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb.
  69
  70 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
  71             Gary Piercey <gpiercey@northstar-technical.com>
  72
  73         * m68hc11_sim.c (print_io_word): New function to print 16-bit value.
  74         * sim-main.h (print_io_word): Declare.
  75         * dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1.
  76         (tflg1_desc): Likewise for TFLG1.
  77         (m68hc11tim_info): Print input and output compare registers
  78
  79 2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>
  80
  81         * Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE
  82         to 32 to support memory bank switching; temporarily use 32-bit for
  83         WORD_BITSIZE to avoid a bug in sim-common.
  84
  85 2003-03-01  Stephane Carrez  <stcarrez@nerim.fr>
  86
  87         * interp.c (sim_fetch_register): Only store a single byte for
  88         1 byte registers.
  89
  90 2003-02-27  Andrew Cagney  <cagney@redhat.com>
  91
  92         * interp.c (sim_prepare_for_program, sim_open)
  93         (sim_create_inferior): Rename _bfd to bfd.
  94
  95 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
  96
  97         * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.
  98
  99 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 100
 101         * interp.c (sim_prepare_for_program): Look up the image for the
 102         reset vector and set cpu_use_elf_start to 1 if not found.
 103         (sim_open): Do not set cpu_use_elf_start.
 104
 105 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 106
 107         * interp.c (sim_hw_configure): Return 1 for success.
 108         (sim_prepare_for_program): Use the sim_hw_configure exit code to
 109         return SIM_RC_FAIL.
 110
 111 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 112
 113         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
 114         bank window to some virtual address to read from extended memory.
 115         (m68hc11cpu_io_write_buffer): Likewise for writing.
 116         (attach_m68hc11_regs): When use_bank property is defined, attach
 117         to the 68HC12 16K memory bank window.
 118         * interp.c (sim_hw_configure): Create memory region for banked
 119         memory.
 120
 121 2002-08-13  Stephane Carrez  <Stephane.Carrez@nerim.fr>
 122
 123         * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
 124         * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
 125         (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
 126
 127 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 128
 129         * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
 130         when IO mapping changed, not when internal RAM mapping is changed.
 131
 132 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 133
 134         * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
 135         * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
 136         (m6811_regs): Add page register.
 137         (cpu_set_page, cpu_get_page): New macros.
 138         (phys_to_virt): New function.
 139         (cpu_get_indexed_operand_addr, cpu_return): Declare.
 140         * gencode.c: Identify indirect addressing mode for call and fix daa.
 141         (gen_function_entry): New param to tell if src8/dst8 locals are
 142         necessary.
 143         (gen_interpreter): Use it to avoid generation of unused variables.
 144         * interp.c (sim_fetch_register): Allow to read page register; page
 145         register, A, B and CCR are only 1 byte wide.
 146         (sim_store_register): Likewise for writing.
 147
 148 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 149
 150         * configure: Regenerated to track ../common/aclocal.m4 changes.
 151
 152 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 153
 154         * Makefile.in (INCLUDE): Update path to callback.h.
 155         * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 156
 157 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 158
 159         * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
 160         (cpu_move16): Likewise.
 161         (sim_memory_error): Use sim_io_printf.
 162         (cpu_option_handler): Fix compilation warning.
 163         * interp.c (sim_hw_configure): Fix compilation warning;
 164         remove m68hc12sio@2 device.
 165         (sim_open): Likewise.
 166         * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
 167         flags when reset.
 168         (cycle_to_string): Improve convertion of cpu cycle number.
 169         (m68hc11tim_info): Print info about PACNT.
 170         (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
 171         TCTL1 and TCTL2 registers.
 172         * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
 173
 174 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 175
 176         * interp.c (sim_hw_configure): Save the HW cpu pointer in the
 177         cpu struct.
 178         (sim_hw_configure): Connect the capture input/output events.
 179         * sim-main.h (_sim_cpu): New member hw_cpu.
 180         (m68hc11cpu_set_oscillator): Declare.
 181         (m68hc11cpu_clear_oscillator): Declare.
 182         (m68hc11cpu_set_port): Declare.
 183         * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
 184         (m68hc11cpu_ports): New input ports and output ports to reflect
 185         the HC11 IOs.
 186         (m68hc11_delete): Cleanup any running oscillator.
 187         (attach_m68hc11_regs): Create the input oscillators.
 188         (make_oscillator): New function.
 189         (find_oscillator): New function.
 190         (oscillator_handler): New function.
 191         (reset_oscillators): New function.
 192         (m68hc11cpu_port_event): Handle the new input ports.
 193         (m68hc11cpu_set_oscillator): New function.
 194         (m68hc11cpu_clear_oscillator): New function.
 195         (get_frequency): New function.
 196         (m68hc11_option_handler): New function.
 197         (m68hc11cpu_set_port): New function.
 198         (m68hc11cpu_io_write): Post the port output events.
 199         * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
 200         the output port value.
 201         * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
 202         by latching the TCNT value in the register.
 203
 204 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 205
 206         * sim-main.h (cpu_frame, cpu_frame_list): Remove.
 207         (cpu_frame_reg, cpu_print_frame): Remove.
 208         (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
 209         (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
 210         (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
 211         (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
 212         * m68hc11_sim.c (cpu_find_frame): Remove.
 213         (cpu_create_frame_list): Remove.
 214         (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
 215         (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
 216         (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
 217         (cpu_update_frame): Likewise.
 218         (cpu_return): Likewise.
 219         (cpu_reset): Likewise.
 220         (cpu_initialize): Likewise.
 221         * interp.c (sim_do_command): Remove call to cpu_print_frame.
 222
 223 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 224
 225         * interrupts.c (interrupts_reset): New function, setup interrupt
 226         vector address according to cpu mode.
 227         (interrupts_initialize): Move reset portion to the above.
 228         (interrupt_names): New table to give a name to interrupts.
 229         (idefs): Handle pulse accumulator interrupts.
 230         (interrupts_info): Print the interrupt history.
 231         (interrupt_option_handler): New function.
 232         (interrupt_options): New table of options.
 233         (interrupts_update_pending): Keep track of when interrupts are
 234         raised and implement breakpoint-on-raise-interrupt.
 235         (interrupts_process): Keep track of when interrupts are taken
 236         and implement breakpoint-on-interrupt.
 237         * interrupts.h (struct interrupt_history): Define.
 238         (struct interrupt): Keep track of the interrupt history.
 239         (interrupts_reset): Declare.
 240         (interrupts_initialize): Update prototype.
 241         * m68hc11_sim.c (cpu_reset): Reset interrupts.
 242         (cpu_initialize): Cleanup.
 243
 244 2001-07-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 245
 246         * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
 247         address.
 248         (m68hc11eepr_port_event): Fix detach/attach logic.
 249
 250 2001-07-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 251
 252         * Makefile.in (SIM_OBJS): Remove sim-resume.o
 253         * interp.c (sim_resume): New function from sim-resume.c, install
 254         the stepping event after having processed the pending ticks.
 255         (has_stepped): Likewise.
 256         (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
 257
 258 2001-07-10  Andrew Cagney  <ac131313@redhat.com>
 259
 260         * Makefile.in (gencode): Provide explicit path to gencode.c.
 261
 262 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 263
 264         * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
 265         (m68hc12int.c): Generate using gencode -m6812.
 266         (m68hc11int.c): Likewise with -m6811.
 267
 268         * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
 269         (m6811_page1_opcodes): Remove duplicate entries.
 270         (m6811_page2_opcodes): Likewise.
 271         (m6811_page3_opcodes): Likewise.
 272         (m6811_page4_opcodes): Likewise.
 273         (m6812_page1_opcodes): New table for 68HC12 instructions.
 274         (m6812_page2_opcodes): Likewise.
 275         (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
 276         (gen_save_result): Likewise.
 277         (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
 278         (cmp_opcode): New function for opcode comparision.
 279         (prepare_table): Sort the opcodes.
 280         (gen_interpreter): Prepare all the tables and generate either
 281         a 68HC11 or a 68HC12 simulator.
 282         (main): New options -m6811 and -m6812.
 283
 284         * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
 285         (cpu_special): Simulation of some 68HC12 instructions.
 286         (cpu_exg): New function.
 287         (cpu_dbcc): Likewise.
 288         (cpu_fetch_relbranch16): Likewise.
 289         (cpu_push_all): Push according to 68HC11 or 68HC12.
 290         (cpu_move16): Likewise.
 291         (cpu_move8): Likewise.
 292         (cpu_get_indexed_operand16): Likewise.
 293         (cpu_get_indexed_operand8): Likewise.
 294         (cpu_get_indexed_operand_addr): Likewise.
 295         (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
 296         (cpu_reset): Setup INIT register according to architecture.
 297
 298         * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
 299         (_sim_cpu): Keep track of the cpu being simulated.
 300         (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
 301         (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
 302         (cpu_m68hc11_pop_uint8): Likewise.
 303         (cpu_m68hc12_push_uintxx): New functions for 68HC12.
 304         (cpu_m68hc12_pop_uintxx): Likewise.
 305         (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
 306         (cpu_fetch_relbranch16): Likewise.
 307         (cpu_interp_m6811): Rename of cpu_interp.
 308         (cpu_interp_m6812): New function.
 309         * interp.c (free_state): New function.
 310         (dev_list_68hc12): New table.
 311         (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
 312         (sim_hw_configure): New function.
 313         (sim_prepare_for_program): New function.
 314         (sim_open): Use above new functions.
 315         (sim_close): Call free_state().
 316         (sim_info): Print info according to cpu.
 317         (sim_create_inferior): Use sim_prepare_for_program.
 318         (sim_do_command): Configure the hardware after a change of the
 319         architecture.
 320
 321 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 322
 323         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
 324         pending interrupts.
 325         * interrupts.c (interrupts_process): Keep track of the last number
 326         of masked insn cycles.
 327         (interrupts_initialize): Clear last number of masked insn cycles.
 328         (interrupts_info): Report them.
 329         (interrupts_update_pending): Compute clear and set masks of
 330         interrupts and clear the interrupt bits before setting them
 331         (due to SCI interrupt sharing).
 332         * interrupts.h (struct interrupts): New members last_mask_cycles
 333         and xirq_last_mask_cycles.
 334
 335 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 336
 337         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
 338         instead of a hard-coded value.
 339         (m68hc11cpu_io_write_buffer): Likewise.
 340         (dv_m68hc11_descriptor): Define a 68hc12 device.
 341         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
 342         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
 343         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
 344         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
 345
 346 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 347
 348         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
 349         (m68hc11cpu_delete): Delete handler to detach the address space.
 350
 351 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 352
 353         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
 354         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
 355         instead of free and malloc.
 356
 357 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 358
 359         * Makefile.in: Was missing from initial patch.
 360
 361 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 362
 363         * interp.c (sim_store_register): Remove soft register hack.
 364         (sim_fetch_register): Likewise.
 365         (sim_create_inferior): Likewise.
 366         * sim-main.h: Likewise.
 367
 368 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 369
 370         * interrupts.c (interrupts_update_pending): Clear the mask of
 371         pending interrupts here.
 372         (interrupts_get_current): Don't clear the mask of pending interrupts.
 373
 374 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 375
 376         * sim-main.h: Define cycle_to_string.
 377         * dv-m68hc11tim.c (cycle_to_string): New function to translate
 378         the cpu cycle into some formatted time string.
 379         (m68hc11tim_print_timer): Use it.
 380         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
 381         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 382         * interrupts.c (interrupts_info): Likewise.
 383         * m68hc11_sim.c (cpu_info): Likewise.
 384
 385 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 386
 387         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
 388         interrupt and compare events accurately.  Take into account the
 389         pending ticks not processed by the simulator yet (introduced a shift).
 390         (m68hc11_port_event): Reset the timer interrupt delays.
 391         (m68hc11tim_io_read_buffer): Be able to read several bytes.
 392         (m68hc11tim_io_write_buffer): Likewise for write.
 393         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
 394
 395 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 396
 397         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
 398         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
 399         (m68hc11spi_info): Clarify the status report
 400         of the SPI when a byte is being sent.
 401         (m68hc11spi_clock): Fix the spi send frame.
 402
 403 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 404
 405         * sim-main.h (m68hc11_map_level): Define level of address mappings.
 406         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
 407         whether the eeprom is currently mapped or not.
 408         (m68hc11eepr_port_event): Use the flag to see if we must unmap
 409         or map the eeprom.  Update the flag to reflect the current state.
 410         Use M6811_EEPROM_LEVEL when mapping the eeprom.
 411         (m68hc11eepr_finish): Remove overlap hack.
 412         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
 413         config and control registers.
 414         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
 415         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
 416         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
 417         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
 418         (attach_m68hc11spi_regs): Likewise.
 419         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 420         (attach_m68hc11tim_regs): Likewise.
 421         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 422         (attach_m68hc11sio_regs): Likewise.
 423         * interp.c (sim_open): Likewise.
 424         * dv-nvram.c (attach_nvram_regs): Likewise.
 425
 426 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 427
 428         * configure, config.in: Regenerate.
 429
 430 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 431
 432         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 433         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 434         (dv_m6811_detach_address_callback): New function to detach a
 435         device from an address space.
 436         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 437         config register according to --cpu-config option.
 438         * sim-main.h (_sim_cpu): Add cpu_config member.
 439         * interp.c (sim_open): Delete specific simulator options.
 440         * m68hc11_sim.c (cpu_option_handler): New options
 441         --emulos and -cpu-config <val> to configure the simulator.
 442         (cpu_initialize): Initialize cpu_config member.
 443
 444 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 445
 446         * emulos.c: Fix indentation and comments.
 447         * gencode.c: Likewise.
 448         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 449         (m68hc11tim_io_write_buffer): Write compare registers and
 450         setup compare event.
 451         * interp.c: Remove unused global variables.
 452         * interrupts.c (idefs): New compare interrupts.
 453         Fix indentation and comments.
 454         * interrupts.h: Likewise.
 455
 456 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 457
 458         * dv-m68hc11sio.c: Fix indentation and comments.
 459         Remove INT_PORT.
 460         * dv-m68hc11.c: Fix indentation and comments.
 461         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 462         * m68hc11_sim.c (cpu_reset): To here.
 463         * dv-m68hc11eepr.c: Fix indentation and comments.
 464
 465 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 466
 467         * dv-nvram.c: New file, rename from dv-pram.c.
 468         * dv-pram.c: Delete file.
 469         * sim-main.h: Incorporate m68hc11_sim.h.
 470         * m68hc11_sim.h: Delete file.
 471         * configure.in: Rename pram into nvram.
 472         * interp.c (sim_open): Likewise in creation of device tree.
 473
 474 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 475
 476         * interp.c (sim_open): Create the SPI device.
 477         * dv-m68hc11spi.c: New file for SPI device simulation.
 478         * configure.in (hw_extra_devices): Add SPI device.
 479
 480 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 481
 482         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 483         (interrupts_process): Separate IRQ and XIRQ accounting.
 484         (interrupts_info): Report XIRQ accounting.
 485         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 486
 487 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 488
 489         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 490         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 491         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 492         configuration from the 'mode' device tree property.
 493         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 494         configuration.
 495
 496 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 497
 498         * sim-main.h: Remove WITH_TARGET_* defines.
 499         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 500
 501 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 502
 503         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 504         1200 baud when cpu is in bootstrap mode.
 505
 506         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 507         write in the TCTN timer register.
 508
 509         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 510         by 4 to obtain the E clock frequency.
 511         (sccr2_desc): Use M6811_TIE for TIE bit.
 512         (m68hc11sio_info): Fix baud rate report.
 513
 514         * dv-m68hc11tim.c (to_realtime): Likewise.
 515
 516         * interp.c (sim_open): When building device tree, only provide
 517         devices that do not exist yet.
 518
 519         * emulos.c: Fix compilation pb under Windows.
 520
 521         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 522         from the 'clock' property.
 523
 524 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 525
 526         * m68hc11_sim.h (*_REGNUM): Define.
 527         (_sim_cpu): New member cpu_page0_reg table.
 528         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 529         addresses of soft registers in .page0.
 530         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 531         to get/set soft registers.
 532
 533 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 534
 535         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 536         returning random values.
 537
 538 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 539
 540         * gencode.c: Fix "subb N,x" that used a instead of b.
 541
 542 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 543
 544         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 545
 546 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 547
 548         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 549
 550 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 551
 552         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 553         register region in the m68hc11cpu struct.
 554         (m68hc11cpu_io_write): When the IO mapping addres changes,
 555         detach the register region and re-attach it at the new address.
 556         (m68hc11cpu_io_read_buffer): Renamed base_address into
 557         attach_address.
 558         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 559         to m68hc11cpu_io_write.
 560
 561 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 562
 563         * gencode.c: For sbc8, check the carry and increment the source
 564         before trying to set the carry for the result.
 565
 566 1999-05-24  John S. Kallal <kallal@voicenet.com>
 567
 568         * interp.c (sim_get_info): Don't crash if the command line is 0.
 569         Define prototype for sim_get_info() and init_system().
 570         (sim_info): Correct call to sim_get_info().
 571
 572 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 573
 574         * configure.in: Recognize m6811-*-*.
 575         * configure: Regenerate.
 576         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 577         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 578         Correct the computation of carry of 8 and 16-bits add and subtract.
 579         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 580         overflow set in a different manner than add).
 581
 582 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 583
 584         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 585         trace message.
 586         * interp.c (sim_open, sim_create_inferior): Initialize the
 587         cpu_elf_start from the ELF header.
 588         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 589         (cpu_restart): Use cpu_elf_start as the starting address when
 590         the flag is set.
 591         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 592         exits the simulator (exit status is in D).
 593         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 594         cpu_elf_star to start execution at address specified in ELF file.
 595
 596 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 597
 598         * Makefile.in, config.in, configure, configure.in: New files.
 599         * gencode.c: New file, generation of 68HC11 interpreter.
 600         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 601         for interpreter.
 602         * interrupts.c, interrupts.h: New files, management of interrupts.
 603         * interp.c, sim-main.h,
 604         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 605         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 606         68HC11 (dv-pram.c is generic and could probably migrate to common).
 607         * emulos.c: New file, basic emulation of some os.