sim/m68hc11/ChangeLog

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