sim/m68hc11/ChangeLog

   1 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
   2             Daniel Jacobowitz  <dan@codesourcery.com>
   3             Joseph Myers  <joseph@codesourcery.com>
   4
   5         * configure: Regenerate.
   6
   7 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
   8
   9         * config.in: Regenerate.
  10
  11 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
  12
  13         * configure: Regenerated.
  14
  15 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
  16
  17         * configure: Regenerated.
  18
  19 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
  20
  21         * configure: Regenerated.
  22
  23 2006-03-29  Hans-Peter Nilsson  <hp@axis.com>
  24
  25         * configure: Regenerate.
  26
  27 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
  28
  29         * configure: Regenerate.
  30
  31 2005-01-14  Andrew Cagney  <cagney@gnu.org>
  32
  33         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
  34         explicit call to AC_CONFIG_HEADER.
  35         * configure: Regenerate.
  36
  37 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
  38
  39         * configure: Regenerated to track ../common/aclocal.m4 changes.
  40
  41 2005-01-07  Andrew Cagney  <cagney@gnu.org>
  42
  43         * configure.ac: Rename configure.in, require autoconf 2.59.
  44         * configure: Re-generate.
  45
  46 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
  47
  48         * configure: Regenerate for ../common/aclocal.m4 update.
  49
  50 2004-06-15  Alan Modra  <amodra@bigpond.net.au>
  51
  52         * interp.c (sim_prepare_for_program): Use bfd_get_section_size
  53         instead of bfd_get_section_size_before_reloc.
  54
  55 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
  56
  57         * dv-m68hc11tim.c (cycle_to_string): Add flags parameter to better
  58         control the translation.
  59         (m68hc11tim_print_timer): Update cycle_to_string conversion.
  60         (m68hc11tim_timer_event): Fix handling of output
  61         compare register with its interrupts.
  62         (m68hc11tim_io_write_buffer): Check output compare
  63         after setting M6811_TMSK1.
  64         (m68hc11tim_io_read_buffer): Fix compilation warning.
  65         * dv-m68hc11.c (m68hc11_option_handler): Likewise.
  66         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
  67         * dv-m68hc11sio.c (m68hc11sio_info): Likewise.
  68         * interrupts.c (interrupts_info): Likewise.
  69         (interrupts_reset): Recognize bootstrap mode.
  70         * sim-main.h (PRINT_CYCLE, PRINT_TIME): New defines.
  71         (_sim_cpu): Add cpu_start_mode.
  72         (cycle_to_string): Add flags member.
  73         * m68hc11_sim.c (OPTION_CPU_BOOTSTRAP): New option.
  74         (cpu_options): Declare new option bootstrap.
  75         (cpu_option_handler): Handle it.
  76         (cpu_info): Update call to cycle_to_string.
  77
  78 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
  79
  80         * sim-main.h (phys_to_virt): Use memory bank parameters to translate
  81         the physical address in virtual address.
  82         (struct _sim_cpu): Add memory bank members.
  83         * m68hc11_sim.c (cpu_initialize): Clear memory bank parameters.
  84         * interp.c (sim_hw_configure): Create memory bank according to memory
  85         bank parameters.
  86         (sim_get_bank_parameters): New function to obtain memory bank config
  87         from the symbol table.
  88         (sim_prepare_for_program): Call it to obtain the memory bank parameters.
  89         (sim_open): Call sim_prepare_for_program.
  90         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Use memory bank parameters
  91         to check if address is within bank window.
  92         (m68hc11cpu_io_read_buffer): Likewise.
  93         (attach_m68hc11_regs): Map the memory bank according to memory bank
  94         parameters.
  95
  96 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
  97
  98         * sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb.
  99
 100 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
 101             Gary Piercey <gpiercey@northstar-technical.com>
 102
 103         * m68hc11_sim.c (print_io_word): New function to print 16-bit value.
 104         * sim-main.h (print_io_word): Declare.
 105         * dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1.
 106         (tflg1_desc): Likewise for TFLG1.
 107         (m68hc11tim_info): Print input and output compare registers
 108
 109 2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>
 110
 111         * Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE
 112         to 32 to support memory bank switching; temporarily use 32-bit for
 113         WORD_BITSIZE to avoid a bug in sim-common.
 114
 115 2003-03-01  Stephane Carrez  <stcarrez@nerim.fr>
 116
 117         * interp.c (sim_fetch_register): Only store a single byte for
 118         1 byte registers.
 119
 120 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 121
 122         * interp.c (sim_prepare_for_program, sim_open)
 123         (sim_create_inferior): Rename _bfd to bfd.
 124
 125 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 126
 127         * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.
 128
 129 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 130
 131         * interp.c (sim_prepare_for_program): Look up the image for the
 132         reset vector and set cpu_use_elf_start to 1 if not found.
 133         (sim_open): Do not set cpu_use_elf_start.
 134
 135 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 136
 137         * interp.c (sim_hw_configure): Return 1 for success.
 138         (sim_prepare_for_program): Use the sim_hw_configure exit code to
 139         return SIM_RC_FAIL.
 140
 141 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 142
 143         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
 144         bank window to some virtual address to read from extended memory.
 145         (m68hc11cpu_io_write_buffer): Likewise for writing.
 146         (attach_m68hc11_regs): When use_bank property is defined, attach
 147         to the 68HC12 16K memory bank window.
 148         * interp.c (sim_hw_configure): Create memory region for banked
 149         memory.
 150
 151 2002-08-13  Stephane Carrez  <Stephane.Carrez@nerim.fr>
 152
 153         * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
 154         * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
 155         (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
 156
 157 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 158
 159         * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
 160         when IO mapping changed, not when internal RAM mapping is changed.
 161
 162 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 163
 164         * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
 165         * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
 166         (m6811_regs): Add page register.
 167         (cpu_set_page, cpu_get_page): New macros.
 168         (phys_to_virt): New function.
 169         (cpu_get_indexed_operand_addr, cpu_return): Declare.
 170         * gencode.c: Identify indirect addressing mode for call and fix daa.
 171         (gen_function_entry): New param to tell if src8/dst8 locals are
 172         necessary.
 173         (gen_interpreter): Use it to avoid generation of unused variables.
 174         * interp.c (sim_fetch_register): Allow to read page register; page
 175         register, A, B and CCR are only 1 byte wide.
 176         (sim_store_register): Likewise for writing.
 177
 178 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 179
 180         * configure: Regenerated to track ../common/aclocal.m4 changes.
 181
 182 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 183
 184         * Makefile.in (INCLUDE): Update path to callback.h.
 185         * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 186
 187 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 188
 189         * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
 190         (cpu_move16): Likewise.
 191         (sim_memory_error): Use sim_io_printf.
 192         (cpu_option_handler): Fix compilation warning.
 193         * interp.c (sim_hw_configure): Fix compilation warning;
 194         remove m68hc12sio@2 device.
 195         (sim_open): Likewise.
 196         * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
 197         flags when reset.
 198         (cycle_to_string): Improve convertion of cpu cycle number.
 199         (m68hc11tim_info): Print info about PACNT.
 200         (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
 201         TCTL1 and TCTL2 registers.
 202         * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
 203
 204 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 205
 206         * interp.c (sim_hw_configure): Save the HW cpu pointer in the
 207         cpu struct.
 208         (sim_hw_configure): Connect the capture input/output events.
 209         * sim-main.h (_sim_cpu): New member hw_cpu.
 210         (m68hc11cpu_set_oscillator): Declare.
 211         (m68hc11cpu_clear_oscillator): Declare.
 212         (m68hc11cpu_set_port): Declare.
 213         * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
 214         (m68hc11cpu_ports): New input ports and output ports to reflect
 215         the HC11 IOs.
 216         (m68hc11_delete): Cleanup any running oscillator.
 217         (attach_m68hc11_regs): Create the input oscillators.
 218         (make_oscillator): New function.
 219         (find_oscillator): New function.
 220         (oscillator_handler): New function.
 221         (reset_oscillators): New function.
 222         (m68hc11cpu_port_event): Handle the new input ports.
 223         (m68hc11cpu_set_oscillator): New function.
 224         (m68hc11cpu_clear_oscillator): New function.
 225         (get_frequency): New function.
 226         (m68hc11_option_handler): New function.
 227         (m68hc11cpu_set_port): New function.
 228         (m68hc11cpu_io_write): Post the port output events.
 229         * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
 230         the output port value.
 231         * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
 232         by latching the TCNT value in the register.
 233
 234 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 235
 236         * sim-main.h (cpu_frame, cpu_frame_list): Remove.
 237         (cpu_frame_reg, cpu_print_frame): Remove.
 238         (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
 239         (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
 240         (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
 241         (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
 242         * m68hc11_sim.c (cpu_find_frame): Remove.
 243         (cpu_create_frame_list): Remove.
 244         (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
 245         (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
 246         (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
 247         (cpu_update_frame): Likewise.
 248         (cpu_return): Likewise.
 249         (cpu_reset): Likewise.
 250         (cpu_initialize): Likewise.
 251         * interp.c (sim_do_command): Remove call to cpu_print_frame.
 252
 253 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 254
 255         * interrupts.c (interrupts_reset): New function, setup interrupt
 256         vector address according to cpu mode.
 257         (interrupts_initialize): Move reset portion to the above.
 258         (interrupt_names): New table to give a name to interrupts.
 259         (idefs): Handle pulse accumulator interrupts.
 260         (interrupts_info): Print the interrupt history.
 261         (interrupt_option_handler): New function.
 262         (interrupt_options): New table of options.
 263         (interrupts_update_pending): Keep track of when interrupts are
 264         raised and implement breakpoint-on-raise-interrupt.
 265         (interrupts_process): Keep track of when interrupts are taken
 266         and implement breakpoint-on-interrupt.
 267         * interrupts.h (struct interrupt_history): Define.
 268         (struct interrupt): Keep track of the interrupt history.
 269         (interrupts_reset): Declare.
 270         (interrupts_initialize): Update prototype.
 271         * m68hc11_sim.c (cpu_reset): Reset interrupts.
 272         (cpu_initialize): Cleanup.
 273
 274 2001-07-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 275
 276         * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
 277         address.
 278         (m68hc11eepr_port_event): Fix detach/attach logic.
 279
 280 2001-07-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 281
 282         * Makefile.in (SIM_OBJS): Remove sim-resume.o
 283         * interp.c (sim_resume): New function from sim-resume.c, install
 284         the stepping event after having processed the pending ticks.
 285         (has_stepped): Likewise.
 286         (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
 287
 288 2001-07-10  Andrew Cagney  <ac131313@redhat.com>
 289
 290         * Makefile.in (gencode): Provide explicit path to gencode.c.
 291
 292 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 293
 294         * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
 295         (m68hc12int.c): Generate using gencode -m6812.
 296         (m68hc11int.c): Likewise with -m6811.
 297
 298         * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
 299         (m6811_page1_opcodes): Remove duplicate entries.
 300         (m6811_page2_opcodes): Likewise.
 301         (m6811_page3_opcodes): Likewise.
 302         (m6811_page4_opcodes): Likewise.
 303         (m6812_page1_opcodes): New table for 68HC12 instructions.
 304         (m6812_page2_opcodes): Likewise.
 305         (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
 306         (gen_save_result): Likewise.
 307         (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
 308         (cmp_opcode): New function for opcode comparision.
 309         (prepare_table): Sort the opcodes.
 310         (gen_interpreter): Prepare all the tables and generate either
 311         a 68HC11 or a 68HC12 simulator.
 312         (main): New options -m6811 and -m6812.
 313
 314         * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
 315         (cpu_special): Simulation of some 68HC12 instructions.
 316         (cpu_exg): New function.
 317         (cpu_dbcc): Likewise.
 318         (cpu_fetch_relbranch16): Likewise.
 319         (cpu_push_all): Push according to 68HC11 or 68HC12.
 320         (cpu_move16): Likewise.
 321         (cpu_move8): Likewise.
 322         (cpu_get_indexed_operand16): Likewise.
 323         (cpu_get_indexed_operand8): Likewise.
 324         (cpu_get_indexed_operand_addr): Likewise.
 325         (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
 326         (cpu_reset): Setup INIT register according to architecture.
 327
 328         * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
 329         (_sim_cpu): Keep track of the cpu being simulated.
 330         (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
 331         (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
 332         (cpu_m68hc11_pop_uint8): Likewise.
 333         (cpu_m68hc12_push_uintxx): New functions for 68HC12.
 334         (cpu_m68hc12_pop_uintxx): Likewise.
 335         (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
 336         (cpu_fetch_relbranch16): Likewise.
 337         (cpu_interp_m6811): Rename of cpu_interp.
 338         (cpu_interp_m6812): New function.
 339         * interp.c (free_state): New function.
 340         (dev_list_68hc12): New table.
 341         (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
 342         (sim_hw_configure): New function.
 343         (sim_prepare_for_program): New function.
 344         (sim_open): Use above new functions.
 345         (sim_close): Call free_state().
 346         (sim_info): Print info according to cpu.
 347         (sim_create_inferior): Use sim_prepare_for_program.
 348         (sim_do_command): Configure the hardware after a change of the
 349         architecture.
 350
 351 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 352
 353         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
 354         pending interrupts.
 355         * interrupts.c (interrupts_process): Keep track of the last number
 356         of masked insn cycles.
 357         (interrupts_initialize): Clear last number of masked insn cycles.
 358         (interrupts_info): Report them.
 359         (interrupts_update_pending): Compute clear and set masks of
 360         interrupts and clear the interrupt bits before setting them
 361         (due to SCI interrupt sharing).
 362         * interrupts.h (struct interrupts): New members last_mask_cycles
 363         and xirq_last_mask_cycles.
 364
 365 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 366
 367         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
 368         instead of a hard-coded value.
 369         (m68hc11cpu_io_write_buffer): Likewise.
 370         (dv_m68hc11_descriptor): Define a 68hc12 device.
 371         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
 372         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
 373         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
 374         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
 375
 376 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 377
 378         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
 379         (m68hc11cpu_delete): Delete handler to detach the address space.
 380
 381 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 382
 383         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
 384         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
 385         instead of free and malloc.
 386
 387 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 388
 389         * Makefile.in: Was missing from initial patch.
 390
 391 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 392
 393         * interp.c (sim_store_register): Remove soft register hack.
 394         (sim_fetch_register): Likewise.
 395         (sim_create_inferior): Likewise.
 396         * sim-main.h: Likewise.
 397
 398 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 399
 400         * interrupts.c (interrupts_update_pending): Clear the mask of
 401         pending interrupts here.
 402         (interrupts_get_current): Don't clear the mask of pending interrupts.
 403
 404 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 405
 406         * sim-main.h: Define cycle_to_string.
 407         * dv-m68hc11tim.c (cycle_to_string): New function to translate
 408         the cpu cycle into some formatted time string.
 409         (m68hc11tim_print_timer): Use it.
 410         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
 411         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 412         * interrupts.c (interrupts_info): Likewise.
 413         * m68hc11_sim.c (cpu_info): Likewise.
 414
 415 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 416
 417         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
 418         interrupt and compare events accurately.  Take into account the
 419         pending ticks not processed by the simulator yet (introduced a shift).
 420         (m68hc11_port_event): Reset the timer interrupt delays.
 421         (m68hc11tim_io_read_buffer): Be able to read several bytes.
 422         (m68hc11tim_io_write_buffer): Likewise for write.
 423         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
 424
 425 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 426
 427         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
 428         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
 429         (m68hc11spi_info): Clarify the status report
 430         of the SPI when a byte is being sent.
 431         (m68hc11spi_clock): Fix the spi send frame.
 432
 433 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 434
 435         * sim-main.h (m68hc11_map_level): Define level of address mappings.
 436         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
 437         whether the eeprom is currently mapped or not.
 438         (m68hc11eepr_port_event): Use the flag to see if we must unmap
 439         or map the eeprom.  Update the flag to reflect the current state.
 440         Use M6811_EEPROM_LEVEL when mapping the eeprom.
 441         (m68hc11eepr_finish): Remove overlap hack.
 442         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
 443         config and control registers.
 444         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
 445         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
 446         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
 447         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
 448         (attach_m68hc11spi_regs): Likewise.
 449         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 450         (attach_m68hc11tim_regs): Likewise.
 451         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 452         (attach_m68hc11sio_regs): Likewise.
 453         * interp.c (sim_open): Likewise.
 454         * dv-nvram.c (attach_nvram_regs): Likewise.
 455
 456 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 457
 458         * configure, config.in: Regenerate.
 459
 460 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 461
 462         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 463         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 464         (dv_m6811_detach_address_callback): New function to detach a
 465         device from an address space.
 466         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 467         config register according to --cpu-config option.
 468         * sim-main.h (_sim_cpu): Add cpu_config member.
 469         * interp.c (sim_open): Delete specific simulator options.
 470         * m68hc11_sim.c (cpu_option_handler): New options
 471         --emulos and -cpu-config <val> to configure the simulator.
 472         (cpu_initialize): Initialize cpu_config member.
 473
 474 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 475
 476         * emulos.c: Fix indentation and comments.
 477         * gencode.c: Likewise.
 478         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 479         (m68hc11tim_io_write_buffer): Write compare registers and
 480         setup compare event.
 481         * interp.c: Remove unused global variables.
 482         * interrupts.c (idefs): New compare interrupts.
 483         Fix indentation and comments.
 484         * interrupts.h: Likewise.
 485
 486 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 487
 488         * dv-m68hc11sio.c: Fix indentation and comments.
 489         Remove INT_PORT.
 490         * dv-m68hc11.c: Fix indentation and comments.
 491         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 492         * m68hc11_sim.c (cpu_reset): To here.
 493         * dv-m68hc11eepr.c: Fix indentation and comments.
 494
 495 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 496
 497         * dv-nvram.c: New file, rename from dv-pram.c.
 498         * dv-pram.c: Delete file.
 499         * sim-main.h: Incorporate m68hc11_sim.h.
 500         * m68hc11_sim.h: Delete file.
 501         * configure.in: Rename pram into nvram.
 502         * interp.c (sim_open): Likewise in creation of device tree.
 503
 504 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 505
 506         * interp.c (sim_open): Create the SPI device.
 507         * dv-m68hc11spi.c: New file for SPI device simulation.
 508         * configure.in (hw_extra_devices): Add SPI device.
 509
 510 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 511
 512         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 513         (interrupts_process): Separate IRQ and XIRQ accounting.
 514         (interrupts_info): Report XIRQ accounting.
 515         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 516
 517 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 518
 519         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 520         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 521         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 522         configuration from the 'mode' device tree property.
 523         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 524         configuration.
 525
 526 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 527
 528         * sim-main.h: Remove WITH_TARGET_* defines.
 529         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 530
 531 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 532
 533         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 534         1200 baud when cpu is in bootstrap mode.
 535
 536         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 537         write in the TCTN timer register.
 538
 539         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 540         by 4 to obtain the E clock frequency.
 541         (sccr2_desc): Use M6811_TIE for TIE bit.
 542         (m68hc11sio_info): Fix baud rate report.
 543
 544         * dv-m68hc11tim.c (to_realtime): Likewise.
 545
 546         * interp.c (sim_open): When building device tree, only provide
 547         devices that do not exist yet.
 548
 549         * emulos.c: Fix compilation pb under Windows.
 550
 551         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 552         from the 'clock' property.
 553
 554 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 555
 556         * m68hc11_sim.h (*_REGNUM): Define.
 557         (_sim_cpu): New member cpu_page0_reg table.
 558         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 559         addresses of soft registers in .page0.
 560         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 561         to get/set soft registers.
 562
 563 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 564
 565         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 566         returning random values.
 567
 568 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 569
 570         * gencode.c: Fix "subb N,x" that used a instead of b.
 571
 572 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 573
 574         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 575
 576 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 577
 578         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 579
 580 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 581
 582         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 583         register region in the m68hc11cpu struct.
 584         (m68hc11cpu_io_write): When the IO mapping addres changes,
 585         detach the register region and re-attach it at the new address.
 586         (m68hc11cpu_io_read_buffer): Renamed base_address into
 587         attach_address.
 588         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 589         to m68hc11cpu_io_write.
 590
 591 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 592
 593         * gencode.c: For sbc8, check the carry and increment the source
 594         before trying to set the carry for the result.
 595
 596 1999-05-24  John S. Kallal <kallal@voicenet.com>
 597
 598         * interp.c (sim_get_info): Don't crash if the command line is 0.
 599         Define prototype for sim_get_info() and init_system().
 600         (sim_info): Correct call to sim_get_info().
 601
 602 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 603
 604         * configure.in: Recognize m6811-*-*.
 605         * configure: Regenerate.
 606         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 607         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 608         Correct the computation of carry of 8 and 16-bits add and subtract.
 609         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 610         overflow set in a different manner than add).
 611
 612 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 613
 614         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 615         trace message.
 616         * interp.c (sim_open, sim_create_inferior): Initialize the
 617         cpu_elf_start from the ELF header.
 618         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 619         (cpu_restart): Use cpu_elf_start as the starting address when
 620         the flag is set.
 621         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 622         exits the simulator (exit status is in D).
 623         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 624         cpu_elf_star to start execution at address specified in ELF file.
 625
 626 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 627
 628         * Makefile.in, config.in, configure, configure.in: New files.
 629         * gencode.c: New file, generation of 68HC11 interpreter.
 630         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 631         for interpreter.
 632         * interrupts.c, interrupts.h: New files, management of interrupts.
 633         * interp.c, sim-main.h,
 634         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 635         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 636         68HC11 (dv-pram.c is generic and could probably migrate to common).
 637         * emulos.c: New file, basic emulation of some os.