sim/m68hc11/ChangeLog

   1 2015-06-12  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * configure: Regenerate.
   4
   5 2015-06-12  Mike Frysinger  <vapier@gentoo.org>
   6
   7         * configure: Regenerate.
   8
   9 2015-06-11  Mike Frysinger  <vapier@gentoo.org>
  10
  11         * interp.c (interrupt_names): Delete.
  12
  13 2015-06-11  Mike Frysinger  <vapier@gentoo.org>
  14
  15         * Makefile.in (SIM_OBJS): Add sim-resume.o
  16         * interp.c (has_stepped, sim_resume): Delete.
  17
  18 2015-06-11  Mike Frysinger  <vapier@gentoo.org>
  19
  20         * interp.c (INLINE): Delete define.
  21
  22 2015-04-29  Nick Clifton  <nickc@redhat.com>
  23
  24         PR 18273
  25         * gencode.c (gen_fetch_operands): Remove unreachable code.
  26
  27 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
  28
  29         * sim-main.h (SIM_CPU): Delete.
  30
  31 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
  32
  33         * sim-main.h (sim_cia): Delete.
  34
  35 2015-04-17  Mike Frysinger  <vapier@gentoo.org>
  36
  37         * sim-main.h (CIA_GET, CIA_SET): Delete.
  38
  39 2015-04-15  Mike Frysinger  <vapier@gentoo.org>
  40
  41         * Makefile.in (SIM_OBJS): Delete sim-cpu.o.
  42         * sim-main.h (STATE_CPU): Delete.
  43
  44 2015-04-13  Mike Frysinger  <vapier@gentoo.org>
  45
  46         * configure: Regenerate.
  47
  48 2015-04-13  Mike Frysinger  <vapier@gentoo.org>
  49
  50         * Makefile.in (SIM_OBJS): Add sim-cpu.o.
  51         * interp.c (m68hc11_pc_get, m68hc11_pc_set): New functions.
  52         (sim_open): Declare new local var i.  Call sim_cpu_alloc_all.
  53         Call CPU_PC_FETCH & CPU_PC_STORE for all cpus.
  54         (sim_pc_get): Delete.
  55         * sim-main.h (SIM_CPU): Define.
  56         (STATE_CPU): Drop &.
  57         (struct sim_state): Change cpu to an array of pointers.
  58
  59 2015-04-06  Mike Frysinger  <vapier@gentoo.org>
  60
  61         * Makefile.in (SIM_OBJS): Delete sim-engine.o and sim-hrw.o.
  62
  63 2015-03-31  Mike Frysinger  <vapier@gentoo.org>
  64
  65         * m68hc11_sim.c (cpu_get_indexed_operand_addr,
  66         cpu_get_indexed_operand8, cpu_get_indexed_operand16): Rename restrict
  67         variable to restricted.
  68         * sim-main.h (cpu_get_indexed_operand_addr): Likewise.
  69
  70 2015-03-24  Mike Frysinger  <vapier@gentoo.org>
  71
  72         * interp.c (sim_pc_get): New function.
  73
  74 2015-03-24  Mike Frysinger  <vapier@gentoo.org>
  75
  76         * compile.c (sim_set_profile, sim_set_profile_size, sim_set_callbacks,
  77         sim_size, sim_trace): Delete.
  78         * sim-main.h (sim_set_profile, sim_set_profile_size): Delete.
  79
  80 2015-03-24  Mike Frysinger  <vapier@gentoo.org>
  81
  82         * configure: Regenerate.
  83
  84 2015-03-23  Mike Frysinger  <vapier@gentoo.org>
  85
  86         * configure: Regenerate.
  87
  88 2015-03-23  Mike Frysinger  <vapier@gentoo.org>
  89
  90         * configure: Regenerate.
  91         * configure.ac (m68hc11_extra_objs): Delete.
  92         * Makefile.in (SIM_OBJS): Delete SIM_EXTRA_OBJS.
  93         (SIM_EXTRA_OBJS): Delete.
  94
  95 2015-03-16  Mike Frysinger  <vapier@gentoo.org>
  96
  97         * config.in, configure: Regenerate.
  98
  99 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 100
 101         * Makefile.in (SIM_RUN_OBJS): Delete.
 102
 103 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 104
 105         * configure.ac (AC_CHECK_HEADERS): Delete.
 106         * aclocal.m4, configure: Regenerate.
 107
 108 2014-08-19  Alan Modra  <amodra@gmail.com>
 109
 110         * configure: Regenerate.
 111
 112 2014-08-15  Roland McGrath  <mcgrathr@google.com>
 113
 114         * configure: Regenerate.
 115         * config.in: Regenerate.
 116
 117 2014-03-04  Mike Frysinger  <vapier@gentoo.org>
 118
 119         * configure: Regenerate.
 120
 121 2013-09-23  Alan Modra  <amodra@gmail.com>
 122
 123         * configure: Regenerate.
 124
 125 2013-06-03  Mike Frysinger  <vapier@gentoo.org>
 126
 127         * aclocal.m4, configure: Regenerate.
 128
 129 2013-05-10  Freddie Chopin  <freddie_chopin@op.pl>
 130
 131         * configure: Rebuild.
 132
 133 2013-03-26  Mike Frysinger  <vapier@gentoo.org>
 134
 135         * configure: Regenerate.
 136
 137 2013-03-23  Joel Sherrill  <joel.sherrill@oarcorp.com>
 138
 139         * configure.ac: Use $SIM_DV_SOCKSER_O.
 140         * configure: Regenerated.
 141
 142 2012-06-15  Joel Brobecker  <brobecker@adacore.com>
 143
 144         * config.in, configure: Regenerate.
 145
 146 2012-03-24  Mike Frysinger  <vapier@gentoo.org>
 147
 148         * aclocal.m4, config.in, configure: Regenerate.
 149
 150 2011-12-03  Mike Frysinger  <vapier@gentoo.org>
 151
 152         * aclocal.m4: New file.
 153         * configure: Regenerate.
 154
 155 2011-10-19  Mike Frysinger  <vapier@gentoo.org>
 156
 157         * configure: Regenerate after common/acinclude.m4 update.
 158
 159 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 160
 161         * configure.ac: Change include to common/acinclude.m4.
 162
 163 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 164
 165         * configure.ac: Change AC_PREREQ to 2.64.  Delete AC_CONFIG_HEADER
 166         call.  Replace common.m4 include with SIM_AC_COMMON.
 167         * configure: Regenerate.
 168
 169 2011-07-05  Mike Frysinger  <vapier@gentoo.org>
 170
 171         * interp.c (sim_do_command): Delete.
 172
 173 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 174
 175         * configure: Regenerate.
 176
 177 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 178
 179         * config.in: Regenerate.
 180         * configure: Likewise.
 181
 182         * configure: Regenerate.
 183
 184 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
 185
 186         * configure: Regenerate to track ../common/common.m4 changes.
 187         * config.in: Ditto.
 188
 189 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
 190             Daniel Jacobowitz  <dan@codesourcery.com>
 191             Joseph Myers  <joseph@codesourcery.com>
 192
 193         * configure: Regenerate.
 194
 195 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
 196
 197         * config.in: Regenerate.
 198
 199 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
 200
 201         * configure: Regenerated.
 202
 203 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
 204
 205         * configure: Regenerated.
 206
 207 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
 208
 209         * configure: Regenerated.
 210
 211 2006-03-29  Hans-Peter Nilsson  <hp@axis.com>
 212
 213         * configure: Regenerate.
 214
 215 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
 216
 217         * configure: Regenerate.
 218
 219 2005-01-14  Andrew Cagney  <cagney@gnu.org>
 220
 221         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
 222         explicit call to AC_CONFIG_HEADER.
 223         * configure: Regenerate.
 224
 225 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
 226
 227         * configure: Regenerated to track ../common/aclocal.m4 changes.
 228
 229 2005-01-07  Andrew Cagney  <cagney@gnu.org>
 230
 231         * configure.ac: Rename configure.in, require autoconf 2.59.
 232         * configure: Re-generate.
 233
 234 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
 235
 236         * configure: Regenerate for ../common/aclocal.m4 update.
 237
 238 2004-06-15  Alan Modra  <amodra@bigpond.net.au>
 239
 240         * interp.c (sim_prepare_for_program): Use bfd_get_section_size
 241         instead of bfd_get_section_size_before_reloc.
 242
 243 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
 244
 245         * dv-m68hc11tim.c (cycle_to_string): Add flags parameter to better
 246         control the translation.
 247         (m68hc11tim_print_timer): Update cycle_to_string conversion.
 248         (m68hc11tim_timer_event): Fix handling of output
 249         compare register with its interrupts.
 250         (m68hc11tim_io_write_buffer): Check output compare
 251         after setting M6811_TMSK1.
 252         (m68hc11tim_io_read_buffer): Fix compilation warning.
 253         * dv-m68hc11.c (m68hc11_option_handler): Likewise.
 254         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 255         * dv-m68hc11sio.c (m68hc11sio_info): Likewise.
 256         * interrupts.c (interrupts_info): Likewise.
 257         (interrupts_reset): Recognize bootstrap mode.
 258         * sim-main.h (PRINT_CYCLE, PRINT_TIME): New defines.
 259         (_sim_cpu): Add cpu_start_mode.
 260         (cycle_to_string): Add flags member.
 261         * m68hc11_sim.c (OPTION_CPU_BOOTSTRAP): New option.
 262         (cpu_options): Declare new option bootstrap.
 263         (cpu_option_handler): Handle it.
 264         (cpu_info): Update call to cycle_to_string.
 265
 266 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
 267
 268         * sim-main.h (phys_to_virt): Use memory bank parameters to translate
 269         the physical address in virtual address.
 270         (struct _sim_cpu): Add memory bank members.
 271         * m68hc11_sim.c (cpu_initialize): Clear memory bank parameters.
 272         * interp.c (sim_hw_configure): Create memory bank according to memory
 273         bank parameters.
 274         (sim_get_bank_parameters): New function to obtain memory bank config
 275         from the symbol table.
 276         (sim_prepare_for_program): Call it to obtain the memory bank parameters.
 277         (sim_open): Call sim_prepare_for_program.
 278         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Use memory bank parameters
 279         to check if address is within bank window.
 280         (m68hc11cpu_io_read_buffer): Likewise.
 281         (attach_m68hc11_regs): Map the memory bank according to memory bank
 282         parameters.
 283
 284 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
 285
 286         * sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb.
 287
 288 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
 289             Gary Piercey <gpiercey@northstar-technical.com>
 290
 291         * m68hc11_sim.c (print_io_word): New function to print 16-bit value.
 292         * sim-main.h (print_io_word): Declare.
 293         * dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1.
 294         (tflg1_desc): Likewise for TFLG1.
 295         (m68hc11tim_info): Print input and output compare registers
 296
 297 2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>
 298
 299         * Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE
 300         to 32 to support memory bank switching; temporarily use 32-bit for
 301         WORD_BITSIZE to avoid a bug in sim-common.
 302
 303 2003-03-01  Stephane Carrez  <stcarrez@nerim.fr>
 304
 305         * interp.c (sim_fetch_register): Only store a single byte for
 306         1 byte registers.
 307
 308 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 309
 310         * interp.c (sim_prepare_for_program, sim_open)
 311         (sim_create_inferior): Rename _bfd to bfd.
 312
 313 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 314
 315         * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.
 316
 317 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 318
 319         * interp.c (sim_prepare_for_program): Look up the image for the
 320         reset vector and set cpu_use_elf_start to 1 if not found.
 321         (sim_open): Do not set cpu_use_elf_start.
 322
 323 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 324
 325         * interp.c (sim_hw_configure): Return 1 for success.
 326         (sim_prepare_for_program): Use the sim_hw_configure exit code to
 327         return SIM_RC_FAIL.
 328
 329 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 330
 331         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
 332         bank window to some virtual address to read from extended memory.
 333         (m68hc11cpu_io_write_buffer): Likewise for writing.
 334         (attach_m68hc11_regs): When use_bank property is defined, attach
 335         to the 68HC12 16K memory bank window.
 336         * interp.c (sim_hw_configure): Create memory region for banked
 337         memory.
 338
 339 2002-08-13  Stephane Carrez  <Stephane.Carrez@nerim.fr>
 340
 341         * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
 342         * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
 343         (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
 344
 345 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 346
 347         * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
 348         when IO mapping changed, not when internal RAM mapping is changed.
 349
 350 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 351
 352         * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
 353         * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
 354         (m6811_regs): Add page register.
 355         (cpu_set_page, cpu_get_page): New macros.
 356         (phys_to_virt): New function.
 357         (cpu_get_indexed_operand_addr, cpu_return): Declare.
 358         * gencode.c: Identify indirect addressing mode for call and fix daa.
 359         (gen_function_entry): New param to tell if src8/dst8 locals are
 360         necessary.
 361         (gen_interpreter): Use it to avoid generation of unused variables.
 362         * interp.c (sim_fetch_register): Allow to read page register; page
 363         register, A, B and CCR are only 1 byte wide.
 364         (sim_store_register): Likewise for writing.
 365
 366 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 367
 368         * configure: Regenerated to track ../common/aclocal.m4 changes.
 369
 370 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 371
 372         * Makefile.in (INCLUDE): Update path to callback.h.
 373         * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 374
 375 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 376
 377         * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
 378         (cpu_move16): Likewise.
 379         (sim_memory_error): Use sim_io_printf.
 380         (cpu_option_handler): Fix compilation warning.
 381         * interp.c (sim_hw_configure): Fix compilation warning;
 382         remove m68hc12sio@2 device.
 383         (sim_open): Likewise.
 384         * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
 385         flags when reset.
 386         (cycle_to_string): Improve convertion of cpu cycle number.
 387         (m68hc11tim_info): Print info about PACNT.
 388         (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
 389         TCTL1 and TCTL2 registers.
 390         * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
 391
 392 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 393
 394         * interp.c (sim_hw_configure): Save the HW cpu pointer in the
 395         cpu struct.
 396         (sim_hw_configure): Connect the capture input/output events.
 397         * sim-main.h (_sim_cpu): New member hw_cpu.
 398         (m68hc11cpu_set_oscillator): Declare.
 399         (m68hc11cpu_clear_oscillator): Declare.
 400         (m68hc11cpu_set_port): Declare.
 401         * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
 402         (m68hc11cpu_ports): New input ports and output ports to reflect
 403         the HC11 IOs.
 404         (m68hc11_delete): Cleanup any running oscillator.
 405         (attach_m68hc11_regs): Create the input oscillators.
 406         (make_oscillator): New function.
 407         (find_oscillator): New function.
 408         (oscillator_handler): New function.
 409         (reset_oscillators): New function.
 410         (m68hc11cpu_port_event): Handle the new input ports.
 411         (m68hc11cpu_set_oscillator): New function.
 412         (m68hc11cpu_clear_oscillator): New function.
 413         (get_frequency): New function.
 414         (m68hc11_option_handler): New function.
 415         (m68hc11cpu_set_port): New function.
 416         (m68hc11cpu_io_write): Post the port output events.
 417         * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
 418         the output port value.
 419         * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
 420         by latching the TCNT value in the register.
 421
 422 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 423
 424         * sim-main.h (cpu_frame, cpu_frame_list): Remove.
 425         (cpu_frame_reg, cpu_print_frame): Remove.
 426         (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
 427         (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
 428         (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
 429         (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
 430         * m68hc11_sim.c (cpu_find_frame): Remove.
 431         (cpu_create_frame_list): Remove.
 432         (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
 433         (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
 434         (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
 435         (cpu_update_frame): Likewise.
 436         (cpu_return): Likewise.
 437         (cpu_reset): Likewise.
 438         (cpu_initialize): Likewise.
 439         * interp.c (sim_do_command): Remove call to cpu_print_frame.
 440
 441 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 442
 443         * interrupts.c (interrupts_reset): New function, setup interrupt
 444         vector address according to cpu mode.
 445         (interrupts_initialize): Move reset portion to the above.
 446         (interrupt_names): New table to give a name to interrupts.
 447         (idefs): Handle pulse accumulator interrupts.
 448         (interrupts_info): Print the interrupt history.
 449         (interrupt_option_handler): New function.
 450         (interrupt_options): New table of options.
 451         (interrupts_update_pending): Keep track of when interrupts are
 452         raised and implement breakpoint-on-raise-interrupt.
 453         (interrupts_process): Keep track of when interrupts are taken
 454         and implement breakpoint-on-interrupt.
 455         * interrupts.h (struct interrupt_history): Define.
 456         (struct interrupt): Keep track of the interrupt history.
 457         (interrupts_reset): Declare.
 458         (interrupts_initialize): Update prototype.
 459         * m68hc11_sim.c (cpu_reset): Reset interrupts.
 460         (cpu_initialize): Cleanup.
 461
 462 2001-07-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 463
 464         * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
 465         address.
 466         (m68hc11eepr_port_event): Fix detach/attach logic.
 467
 468 2001-07-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 469
 470         * Makefile.in (SIM_OBJS): Remove sim-resume.o
 471         * interp.c (sim_resume): New function from sim-resume.c, install
 472         the stepping event after having processed the pending ticks.
 473         (has_stepped): Likewise.
 474         (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
 475
 476 2001-07-10  Andrew Cagney  <ac131313@redhat.com>
 477
 478         * Makefile.in (gencode): Provide explicit path to gencode.c.
 479
 480 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 481
 482         * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
 483         (m68hc12int.c): Generate using gencode -m6812.
 484         (m68hc11int.c): Likewise with -m6811.
 485
 486         * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
 487         (m6811_page1_opcodes): Remove duplicate entries.
 488         (m6811_page2_opcodes): Likewise.
 489         (m6811_page3_opcodes): Likewise.
 490         (m6811_page4_opcodes): Likewise.
 491         (m6812_page1_opcodes): New table for 68HC12 instructions.
 492         (m6812_page2_opcodes): Likewise.
 493         (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
 494         (gen_save_result): Likewise.
 495         (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
 496         (cmp_opcode): New function for opcode comparision.
 497         (prepare_table): Sort the opcodes.
 498         (gen_interpreter): Prepare all the tables and generate either
 499         a 68HC11 or a 68HC12 simulator.
 500         (main): New options -m6811 and -m6812.
 501
 502         * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
 503         (cpu_special): Simulation of some 68HC12 instructions.
 504         (cpu_exg): New function.
 505         (cpu_dbcc): Likewise.
 506         (cpu_fetch_relbranch16): Likewise.
 507         (cpu_push_all): Push according to 68HC11 or 68HC12.
 508         (cpu_move16): Likewise.
 509         (cpu_move8): Likewise.
 510         (cpu_get_indexed_operand16): Likewise.
 511         (cpu_get_indexed_operand8): Likewise.
 512         (cpu_get_indexed_operand_addr): Likewise.
 513         (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
 514         (cpu_reset): Setup INIT register according to architecture.
 515
 516         * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
 517         (_sim_cpu): Keep track of the cpu being simulated.
 518         (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
 519         (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
 520         (cpu_m68hc11_pop_uint8): Likewise.
 521         (cpu_m68hc12_push_uintxx): New functions for 68HC12.
 522         (cpu_m68hc12_pop_uintxx): Likewise.
 523         (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
 524         (cpu_fetch_relbranch16): Likewise.
 525         (cpu_interp_m6811): Rename of cpu_interp.
 526         (cpu_interp_m6812): New function.
 527         * interp.c (free_state): New function.
 528         (dev_list_68hc12): New table.
 529         (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
 530         (sim_hw_configure): New function.
 531         (sim_prepare_for_program): New function.
 532         (sim_open): Use above new functions.
 533         (sim_close): Call free_state().
 534         (sim_info): Print info according to cpu.
 535         (sim_create_inferior): Use sim_prepare_for_program.
 536         (sim_do_command): Configure the hardware after a change of the
 537         architecture.
 538
 539 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 540
 541         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
 542         pending interrupts.
 543         * interrupts.c (interrupts_process): Keep track of the last number
 544         of masked insn cycles.
 545         (interrupts_initialize): Clear last number of masked insn cycles.
 546         (interrupts_info): Report them.
 547         (interrupts_update_pending): Compute clear and set masks of
 548         interrupts and clear the interrupt bits before setting them
 549         (due to SCI interrupt sharing).
 550         * interrupts.h (struct interrupts): New members last_mask_cycles
 551         and xirq_last_mask_cycles.
 552
 553 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 554
 555         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
 556         instead of a hard-coded value.
 557         (m68hc11cpu_io_write_buffer): Likewise.
 558         (dv_m68hc11_descriptor): Define a 68hc12 device.
 559         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
 560         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
 561         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
 562         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
 563
 564 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 565
 566         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
 567         (m68hc11cpu_delete): Delete handler to detach the address space.
 568
 569 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 570
 571         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
 572         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
 573         instead of free and malloc.
 574
 575 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 576
 577         * Makefile.in: Was missing from initial patch.
 578
 579 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 580
 581         * interp.c (sim_store_register): Remove soft register hack.
 582         (sim_fetch_register): Likewise.
 583         (sim_create_inferior): Likewise.
 584         * sim-main.h: Likewise.
 585
 586 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 587
 588         * interrupts.c (interrupts_update_pending): Clear the mask of
 589         pending interrupts here.
 590         (interrupts_get_current): Don't clear the mask of pending interrupts.
 591
 592 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 593
 594         * sim-main.h: Define cycle_to_string.
 595         * dv-m68hc11tim.c (cycle_to_string): New function to translate
 596         the cpu cycle into some formatted time string.
 597         (m68hc11tim_print_timer): Use it.
 598         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
 599         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 600         * interrupts.c (interrupts_info): Likewise.
 601         * m68hc11_sim.c (cpu_info): Likewise.
 602
 603 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 604
 605         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
 606         interrupt and compare events accurately.  Take into account the
 607         pending ticks not processed by the simulator yet (introduced a shift).
 608         (m68hc11_port_event): Reset the timer interrupt delays.
 609         (m68hc11tim_io_read_buffer): Be able to read several bytes.
 610         (m68hc11tim_io_write_buffer): Likewise for write.
 611         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
 612
 613 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 614
 615         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
 616         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
 617         (m68hc11spi_info): Clarify the status report
 618         of the SPI when a byte is being sent.
 619         (m68hc11spi_clock): Fix the spi send frame.
 620
 621 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 622
 623         * sim-main.h (m68hc11_map_level): Define level of address mappings.
 624         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
 625         whether the eeprom is currently mapped or not.
 626         (m68hc11eepr_port_event): Use the flag to see if we must unmap
 627         or map the eeprom.  Update the flag to reflect the current state.
 628         Use M6811_EEPROM_LEVEL when mapping the eeprom.
 629         (m68hc11eepr_finish): Remove overlap hack.
 630         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
 631         config and control registers.
 632         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
 633         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
 634         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
 635         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
 636         (attach_m68hc11spi_regs): Likewise.
 637         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 638         (attach_m68hc11tim_regs): Likewise.
 639         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 640         (attach_m68hc11sio_regs): Likewise.
 641         * interp.c (sim_open): Likewise.
 642         * dv-nvram.c (attach_nvram_regs): Likewise.
 643
 644 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 645
 646         * configure, config.in: Regenerate.
 647
 648 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 649
 650         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 651         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 652         (dv_m6811_detach_address_callback): New function to detach a
 653         device from an address space.
 654         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 655         config register according to --cpu-config option.
 656         * sim-main.h (_sim_cpu): Add cpu_config member.
 657         * interp.c (sim_open): Delete specific simulator options.
 658         * m68hc11_sim.c (cpu_option_handler): New options
 659         --emulos and -cpu-config <val> to configure the simulator.
 660         (cpu_initialize): Initialize cpu_config member.
 661
 662 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 663
 664         * emulos.c: Fix indentation and comments.
 665         * gencode.c: Likewise.
 666         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 667         (m68hc11tim_io_write_buffer): Write compare registers and
 668         setup compare event.
 669         * interp.c: Remove unused global variables.
 670         * interrupts.c (idefs): New compare interrupts.
 671         Fix indentation and comments.
 672         * interrupts.h: Likewise.
 673
 674 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 675
 676         * dv-m68hc11sio.c: Fix indentation and comments.
 677         Remove INT_PORT.
 678         * dv-m68hc11.c: Fix indentation and comments.
 679         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 680         * m68hc11_sim.c (cpu_reset): To here.
 681         * dv-m68hc11eepr.c: Fix indentation and comments.
 682
 683 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 684
 685         * dv-nvram.c: New file, rename from dv-pram.c.
 686         * dv-pram.c: Delete file.
 687         * sim-main.h: Incorporate m68hc11_sim.h.
 688         * m68hc11_sim.h: Delete file.
 689         * configure.in: Rename pram into nvram.
 690         * interp.c (sim_open): Likewise in creation of device tree.
 691
 692 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 693
 694         * interp.c (sim_open): Create the SPI device.
 695         * dv-m68hc11spi.c: New file for SPI device simulation.
 696         * configure.in (hw_extra_devices): Add SPI device.
 697
 698 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 699
 700         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 701         (interrupts_process): Separate IRQ and XIRQ accounting.
 702         (interrupts_info): Report XIRQ accounting.
 703         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 704
 705 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 706
 707         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 708         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 709         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 710         configuration from the 'mode' device tree property.
 711         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 712         configuration.
 713
 714 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 715
 716         * sim-main.h: Remove WITH_TARGET_* defines.
 717         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 718
 719 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 720
 721         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 722         1200 baud when cpu is in bootstrap mode.
 723
 724         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 725         write in the TCTN timer register.
 726
 727         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 728         by 4 to obtain the E clock frequency.
 729         (sccr2_desc): Use M6811_TIE for TIE bit.
 730         (m68hc11sio_info): Fix baud rate report.
 731
 732         * dv-m68hc11tim.c (to_realtime): Likewise.
 733
 734         * interp.c (sim_open): When building device tree, only provide
 735         devices that do not exist yet.
 736
 737         * emulos.c: Fix compilation pb under Windows.
 738
 739         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 740         from the 'clock' property.
 741
 742 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 743
 744         * m68hc11_sim.h (*_REGNUM): Define.
 745         (_sim_cpu): New member cpu_page0_reg table.
 746         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 747         addresses of soft registers in .page0.
 748         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 749         to get/set soft registers.
 750
 751 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 752
 753         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 754         returning random values.
 755
 756 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 757
 758         * gencode.c: Fix "subb N,x" that used a instead of b.
 759
 760 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 761
 762         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 763
 764 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 765
 766         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 767
 768 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 769
 770         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 771         register region in the m68hc11cpu struct.
 772         (m68hc11cpu_io_write): When the IO mapping addres changes,
 773         detach the register region and re-attach it at the new address.
 774         (m68hc11cpu_io_read_buffer): Renamed base_address into
 775         attach_address.
 776         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 777         to m68hc11cpu_io_write.
 778
 779 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 780
 781         * gencode.c: For sbc8, check the carry and increment the source
 782         before trying to set the carry for the result.
 783
 784 1999-05-24  John S. Kallal <kallal@voicenet.com>
 785
 786         * interp.c (sim_get_info): Don't crash if the command line is 0.
 787         Define prototype for sim_get_info() and init_system().
 788         (sim_info): Correct call to sim_get_info().
 789
 790 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 791
 792         * configure.in: Recognize m6811-*-*.
 793         * configure: Regenerate.
 794         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 795         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 796         Correct the computation of carry of 8 and 16-bits add and subtract.
 797         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 798         overflow set in a different manner than add).
 799
 800 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 801
 802         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 803         trace message.
 804         * interp.c (sim_open, sim_create_inferior): Initialize the
 805         cpu_elf_start from the ELF header.
 806         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 807         (cpu_restart): Use cpu_elf_start as the starting address when
 808         the flag is set.
 809         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 810         exits the simulator (exit status is in D).
 811         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 812         cpu_elf_star to start execution at address specified in ELF file.
 813
 814 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 815
 816         * Makefile.in, config.in, configure, configure.in: New files.
 817         * gencode.c: New file, generation of 68HC11 interpreter.
 818         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 819         for interpreter.
 820         * interrupts.c, interrupts.h: New files, management of interrupts.
 821         * interp.c, sim-main.h,
 822         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 823         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 824         68HC11 (dv-pram.c is generic and could probably migrate to common).
 825         * emulos.c: New file, basic emulation of some os.