sim/m68hc11/ChangeLog

   1 2015-12-24  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * sim-main.h (SIM_HANDLES_LMA): Delete.
   4
   5 2015-12-24  Mike Frysinger  <vapier@gentoo.org>
   6
   7         * sim-main.h (WITH_WATCHPOINTS): Delete.
   8
   9 2015-11-17  Mike Frysinger  <vapier@gentoo.org>
  10
  11         * sim-main.h (WITH_MODULO_MEMORY): Delete.
  12
  13 2015-11-15  Mike Frysinger  <vapier@gentoo.org>
  14
  15         * Makefile.in (SIM_OBJS): Delete sim-reason.o and sim-stop.o.
  16
  17 2015-11-14  Mike Frysinger  <vapier@gentoo.org>
  18
  19         * Makefile.in (SIM_OBJS): Delete sim-load.o.
  20
  21 2015-11-14  Mike Frysinger  <vapier@gentoo.org>
  22
  23         * interp.c (sim_close): Delete.
  24
  25 2015-06-23  Mike Frysinger  <vapier@gentoo.org>
  26
  27         * configure: Regenerate.
  28
  29 2015-06-12  Mike Frysinger  <vapier@gentoo.org>
  30
  31         * configure: Regenerate.
  32
  33 2015-06-12  Mike Frysinger  <vapier@gentoo.org>
  34
  35         * configure: Regenerate.
  36
  37 2015-06-11  Mike Frysinger  <vapier@gentoo.org>
  38
  39         * interp.c (interrupt_names): Delete.
  40
  41 2015-06-11  Mike Frysinger  <vapier@gentoo.org>
  42
  43         * Makefile.in (SIM_OBJS): Add sim-resume.o
  44         * interp.c (has_stepped, sim_resume): Delete.
  45
  46 2015-06-11  Mike Frysinger  <vapier@gentoo.org>
  47
  48         * interp.c (INLINE): Delete define.
  49
  50 2015-04-29  Nick Clifton  <nickc@redhat.com>
  51
  52         PR 18273
  53         * gencode.c (gen_fetch_operands): Remove unreachable code.
  54
  55 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
  56
  57         * sim-main.h (SIM_CPU): Delete.
  58
  59 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
  60
  61         * sim-main.h (sim_cia): Delete.
  62
  63 2015-04-17  Mike Frysinger  <vapier@gentoo.org>
  64
  65         * sim-main.h (CIA_GET, CIA_SET): Delete.
  66
  67 2015-04-15  Mike Frysinger  <vapier@gentoo.org>
  68
  69         * Makefile.in (SIM_OBJS): Delete sim-cpu.o.
  70         * sim-main.h (STATE_CPU): Delete.
  71
  72 2015-04-13  Mike Frysinger  <vapier@gentoo.org>
  73
  74         * configure: Regenerate.
  75
  76 2015-04-13  Mike Frysinger  <vapier@gentoo.org>
  77
  78         * Makefile.in (SIM_OBJS): Add sim-cpu.o.
  79         * interp.c (m68hc11_pc_get, m68hc11_pc_set): New functions.
  80         (sim_open): Declare new local var i.  Call sim_cpu_alloc_all.
  81         Call CPU_PC_FETCH & CPU_PC_STORE for all cpus.
  82         (sim_pc_get): Delete.
  83         * sim-main.h (SIM_CPU): Define.
  84         (STATE_CPU): Drop &.
  85         (struct sim_state): Change cpu to an array of pointers.
  86
  87 2015-04-06  Mike Frysinger  <vapier@gentoo.org>
  88
  89         * Makefile.in (SIM_OBJS): Delete sim-engine.o and sim-hrw.o.
  90
  91 2015-03-31  Mike Frysinger  <vapier@gentoo.org>
  92
  93         * m68hc11_sim.c (cpu_get_indexed_operand_addr,
  94         cpu_get_indexed_operand8, cpu_get_indexed_operand16): Rename restrict
  95         variable to restricted.
  96         * sim-main.h (cpu_get_indexed_operand_addr): Likewise.
  97
  98 2015-03-24  Mike Frysinger  <vapier@gentoo.org>
  99
 100         * interp.c (sim_pc_get): New function.
 101
 102 2015-03-24  Mike Frysinger  <vapier@gentoo.org>
 103
 104         * compile.c (sim_set_profile, sim_set_profile_size, sim_set_callbacks,
 105         sim_size, sim_trace): Delete.
 106         * sim-main.h (sim_set_profile, sim_set_profile_size): Delete.
 107
 108 2015-03-24  Mike Frysinger  <vapier@gentoo.org>
 109
 110         * configure: Regenerate.
 111
 112 2015-03-23  Mike Frysinger  <vapier@gentoo.org>
 113
 114         * configure: Regenerate.
 115
 116 2015-03-23  Mike Frysinger  <vapier@gentoo.org>
 117
 118         * configure: Regenerate.
 119         * configure.ac (m68hc11_extra_objs): Delete.
 120         * Makefile.in (SIM_OBJS): Delete SIM_EXTRA_OBJS.
 121         (SIM_EXTRA_OBJS): Delete.
 122
 123 2015-03-16  Mike Frysinger  <vapier@gentoo.org>
 124
 125         * config.in, configure: Regenerate.
 126
 127 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 128
 129         * Makefile.in (SIM_RUN_OBJS): Delete.
 130
 131 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 132
 133         * configure.ac (AC_CHECK_HEADERS): Delete.
 134         * aclocal.m4, configure: Regenerate.
 135
 136 2014-08-19  Alan Modra  <amodra@gmail.com>
 137
 138         * configure: Regenerate.
 139
 140 2014-08-15  Roland McGrath  <mcgrathr@google.com>
 141
 142         * configure: Regenerate.
 143         * config.in: Regenerate.
 144
 145 2014-03-04  Mike Frysinger  <vapier@gentoo.org>
 146
 147         * configure: Regenerate.
 148
 149 2013-09-23  Alan Modra  <amodra@gmail.com>
 150
 151         * configure: Regenerate.
 152
 153 2013-06-03  Mike Frysinger  <vapier@gentoo.org>
 154
 155         * aclocal.m4, configure: Regenerate.
 156
 157 2013-05-10  Freddie Chopin  <freddie_chopin@op.pl>
 158
 159         * configure: Rebuild.
 160
 161 2013-03-26  Mike Frysinger  <vapier@gentoo.org>
 162
 163         * configure: Regenerate.
 164
 165 2013-03-23  Joel Sherrill  <joel.sherrill@oarcorp.com>
 166
 167         * configure.ac: Use $SIM_DV_SOCKSER_O.
 168         * configure: Regenerated.
 169
 170 2012-06-15  Joel Brobecker  <brobecker@adacore.com>
 171
 172         * config.in, configure: Regenerate.
 173
 174 2012-03-24  Mike Frysinger  <vapier@gentoo.org>
 175
 176         * aclocal.m4, config.in, configure: Regenerate.
 177
 178 2011-12-03  Mike Frysinger  <vapier@gentoo.org>
 179
 180         * aclocal.m4: New file.
 181         * configure: Regenerate.
 182
 183 2011-10-19  Mike Frysinger  <vapier@gentoo.org>
 184
 185         * configure: Regenerate after common/acinclude.m4 update.
 186
 187 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 188
 189         * configure.ac: Change include to common/acinclude.m4.
 190
 191 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 192
 193         * configure.ac: Change AC_PREREQ to 2.64.  Delete AC_CONFIG_HEADER
 194         call.  Replace common.m4 include with SIM_AC_COMMON.
 195         * configure: Regenerate.
 196
 197 2011-07-05  Mike Frysinger  <vapier@gentoo.org>
 198
 199         * interp.c (sim_do_command): Delete.
 200
 201 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 202
 203         * configure: Regenerate.
 204
 205 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 206
 207         * config.in: Regenerate.
 208         * configure: Likewise.
 209
 210         * configure: Regenerate.
 211
 212 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
 213
 214         * configure: Regenerate to track ../common/common.m4 changes.
 215         * config.in: Ditto.
 216
 217 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
 218             Daniel Jacobowitz  <dan@codesourcery.com>
 219             Joseph Myers  <joseph@codesourcery.com>
 220
 221         * configure: Regenerate.
 222
 223 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
 224
 225         * config.in: Regenerate.
 226
 227 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
 228
 229         * configure: Regenerated.
 230
 231 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
 232
 233         * configure: Regenerated.
 234
 235 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
 236
 237         * configure: Regenerated.
 238
 239 2006-03-29  Hans-Peter Nilsson  <hp@axis.com>
 240
 241         * configure: Regenerate.
 242
 243 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
 244
 245         * configure: Regenerate.
 246
 247 2005-01-14  Andrew Cagney  <cagney@gnu.org>
 248
 249         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
 250         explicit call to AC_CONFIG_HEADER.
 251         * configure: Regenerate.
 252
 253 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
 254
 255         * configure: Regenerated to track ../common/aclocal.m4 changes.
 256
 257 2005-01-07  Andrew Cagney  <cagney@gnu.org>
 258
 259         * configure.ac: Rename configure.in, require autoconf 2.59.
 260         * configure: Re-generate.
 261
 262 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
 263
 264         * configure: Regenerate for ../common/aclocal.m4 update.
 265
 266 2004-06-15  Alan Modra  <amodra@bigpond.net.au>
 267
 268         * interp.c (sim_prepare_for_program): Use bfd_get_section_size
 269         instead of bfd_get_section_size_before_reloc.
 270
 271 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
 272
 273         * dv-m68hc11tim.c (cycle_to_string): Add flags parameter to better
 274         control the translation.
 275         (m68hc11tim_print_timer): Update cycle_to_string conversion.
 276         (m68hc11tim_timer_event): Fix handling of output
 277         compare register with its interrupts.
 278         (m68hc11tim_io_write_buffer): Check output compare
 279         after setting M6811_TMSK1.
 280         (m68hc11tim_io_read_buffer): Fix compilation warning.
 281         * dv-m68hc11.c (m68hc11_option_handler): Likewise.
 282         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 283         * dv-m68hc11sio.c (m68hc11sio_info): Likewise.
 284         * interrupts.c (interrupts_info): Likewise.
 285         (interrupts_reset): Recognize bootstrap mode.
 286         * sim-main.h (PRINT_CYCLE, PRINT_TIME): New defines.
 287         (_sim_cpu): Add cpu_start_mode.
 288         (cycle_to_string): Add flags member.
 289         * m68hc11_sim.c (OPTION_CPU_BOOTSTRAP): New option.
 290         (cpu_options): Declare new option bootstrap.
 291         (cpu_option_handler): Handle it.
 292         (cpu_info): Update call to cycle_to_string.
 293
 294 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>
 295
 296         * sim-main.h (phys_to_virt): Use memory bank parameters to translate
 297         the physical address in virtual address.
 298         (struct _sim_cpu): Add memory bank members.
 299         * m68hc11_sim.c (cpu_initialize): Clear memory bank parameters.
 300         * interp.c (sim_hw_configure): Create memory bank according to memory
 301         bank parameters.
 302         (sim_get_bank_parameters): New function to obtain memory bank config
 303         from the symbol table.
 304         (sim_prepare_for_program): Call it to obtain the memory bank parameters.
 305         (sim_open): Call sim_prepare_for_program.
 306         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Use memory bank parameters
 307         to check if address is within bank window.
 308         (m68hc11cpu_io_read_buffer): Likewise.
 309         (attach_m68hc11_regs): Map the memory bank according to memory bank
 310         parameters.
 311
 312 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
 313
 314         * sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb.
 315
 316 2003-08-08  Stephane Carrez  <stcarrez@nerim.fr>,
 317             Gary Piercey <gpiercey@northstar-technical.com>
 318
 319         * m68hc11_sim.c (print_io_word): New function to print 16-bit value.
 320         * sim-main.h (print_io_word): Declare.
 321         * dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1.
 322         (tflg1_desc): Likewise for TFLG1.
 323         (m68hc11tim_info): Print input and output compare registers
 324
 325 2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>
 326
 327         * Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE
 328         to 32 to support memory bank switching; temporarily use 32-bit for
 329         WORD_BITSIZE to avoid a bug in sim-common.
 330
 331 2003-03-01  Stephane Carrez  <stcarrez@nerim.fr>
 332
 333         * interp.c (sim_fetch_register): Only store a single byte for
 334         1 byte registers.
 335
 336 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 337
 338         * interp.c (sim_prepare_for_program, sim_open)
 339         (sim_create_inferior): Rename _bfd to bfd.
 340
 341 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 342
 343         * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.
 344
 345 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 346
 347         * interp.c (sim_prepare_for_program): Look up the image for the
 348         reset vector and set cpu_use_elf_start to 1 if not found.
 349         (sim_open): Do not set cpu_use_elf_start.
 350
 351 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 352
 353         * interp.c (sim_hw_configure): Return 1 for success.
 354         (sim_prepare_for_program): Use the sim_hw_configure exit code to
 355         return SIM_RC_FAIL.
 356
 357 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 358
 359         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
 360         bank window to some virtual address to read from extended memory.
 361         (m68hc11cpu_io_write_buffer): Likewise for writing.
 362         (attach_m68hc11_regs): When use_bank property is defined, attach
 363         to the 68HC12 16K memory bank window.
 364         * interp.c (sim_hw_configure): Create memory region for banked
 365         memory.
 366
 367 2002-08-13  Stephane Carrez  <Stephane.Carrez@nerim.fr>
 368
 369         * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
 370         * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
 371         (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
 372
 373 2002-08-13  Marko Kohtala  <marko.kohtala@luukku.com>
 374
 375         * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
 376         when IO mapping changed, not when internal RAM mapping is changed.
 377
 378 2002-08-13  Stephane Carrez  <stcarrez@nerim.fr>
 379
 380         * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
 381         * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
 382         (m6811_regs): Add page register.
 383         (cpu_set_page, cpu_get_page): New macros.
 384         (phys_to_virt): New function.
 385         (cpu_get_indexed_operand_addr, cpu_return): Declare.
 386         * gencode.c: Identify indirect addressing mode for call and fix daa.
 387         (gen_function_entry): New param to tell if src8/dst8 locals are
 388         necessary.
 389         (gen_interpreter): Use it to avoid generation of unused variables.
 390         * interp.c (sim_fetch_register): Allow to read page register; page
 391         register, A, B and CCR are only 1 byte wide.
 392         (sim_store_register): Likewise for writing.
 393
 394 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 395
 396         * configure: Regenerated to track ../common/aclocal.m4 changes.
 397
 398 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 399
 400         * Makefile.in (INCLUDE): Update path to callback.h.
 401         * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 402
 403 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 404
 405         * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
 406         (cpu_move16): Likewise.
 407         (sim_memory_error): Use sim_io_printf.
 408         (cpu_option_handler): Fix compilation warning.
 409         * interp.c (sim_hw_configure): Fix compilation warning;
 410         remove m68hc12sio@2 device.
 411         (sim_open): Likewise.
 412         * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
 413         flags when reset.
 414         (cycle_to_string): Improve convertion of cpu cycle number.
 415         (m68hc11tim_info): Print info about PACNT.
 416         (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
 417         TCTL1 and TCTL2 registers.
 418         * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
 419
 420 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 421
 422         * interp.c (sim_hw_configure): Save the HW cpu pointer in the
 423         cpu struct.
 424         (sim_hw_configure): Connect the capture input/output events.
 425         * sim-main.h (_sim_cpu): New member hw_cpu.
 426         (m68hc11cpu_set_oscillator): Declare.
 427         (m68hc11cpu_clear_oscillator): Declare.
 428         (m68hc11cpu_set_port): Declare.
 429         * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
 430         (m68hc11cpu_ports): New input ports and output ports to reflect
 431         the HC11 IOs.
 432         (m68hc11_delete): Cleanup any running oscillator.
 433         (attach_m68hc11_regs): Create the input oscillators.
 434         (make_oscillator): New function.
 435         (find_oscillator): New function.
 436         (oscillator_handler): New function.
 437         (reset_oscillators): New function.
 438         (m68hc11cpu_port_event): Handle the new input ports.
 439         (m68hc11cpu_set_oscillator): New function.
 440         (m68hc11cpu_clear_oscillator): New function.
 441         (get_frequency): New function.
 442         (m68hc11_option_handler): New function.
 443         (m68hc11cpu_set_port): New function.
 444         (m68hc11cpu_io_write): Post the port output events.
 445         * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
 446         the output port value.
 447         * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
 448         by latching the TCNT value in the register.
 449
 450 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 451
 452         * sim-main.h (cpu_frame, cpu_frame_list): Remove.
 453         (cpu_frame_reg, cpu_print_frame): Remove.
 454         (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
 455         (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
 456         (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
 457         (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
 458         * m68hc11_sim.c (cpu_find_frame): Remove.
 459         (cpu_create_frame_list): Remove.
 460         (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
 461         (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
 462         (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
 463         (cpu_update_frame): Likewise.
 464         (cpu_return): Likewise.
 465         (cpu_reset): Likewise.
 466         (cpu_initialize): Likewise.
 467         * interp.c (sim_do_command): Remove call to cpu_print_frame.
 468
 469 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 470
 471         * interrupts.c (interrupts_reset): New function, setup interrupt
 472         vector address according to cpu mode.
 473         (interrupts_initialize): Move reset portion to the above.
 474         (interrupt_names): New table to give a name to interrupts.
 475         (idefs): Handle pulse accumulator interrupts.
 476         (interrupts_info): Print the interrupt history.
 477         (interrupt_option_handler): New function.
 478         (interrupt_options): New table of options.
 479         (interrupts_update_pending): Keep track of when interrupts are
 480         raised and implement breakpoint-on-raise-interrupt.
 481         (interrupts_process): Keep track of when interrupts are taken
 482         and implement breakpoint-on-interrupt.
 483         * interrupts.h (struct interrupt_history): Define.
 484         (struct interrupt): Keep track of the interrupt history.
 485         (interrupts_reset): Declare.
 486         (interrupts_initialize): Update prototype.
 487         * m68hc11_sim.c (cpu_reset): Reset interrupts.
 488         (cpu_initialize): Cleanup.
 489
 490 2001-07-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 491
 492         * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
 493         address.
 494         (m68hc11eepr_port_event): Fix detach/attach logic.
 495
 496 2001-07-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 497
 498         * Makefile.in (SIM_OBJS): Remove sim-resume.o
 499         * interp.c (sim_resume): New function from sim-resume.c, install
 500         the stepping event after having processed the pending ticks.
 501         (has_stepped): Likewise.
 502         (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
 503
 504 2001-07-10  Andrew Cagney  <ac131313@redhat.com>
 505
 506         * Makefile.in (gencode): Provide explicit path to gencode.c.
 507
 508 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 509
 510         * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
 511         (m68hc12int.c): Generate using gencode -m6812.
 512         (m68hc11int.c): Likewise with -m6811.
 513
 514         * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
 515         (m6811_page1_opcodes): Remove duplicate entries.
 516         (m6811_page2_opcodes): Likewise.
 517         (m6811_page3_opcodes): Likewise.
 518         (m6811_page4_opcodes): Likewise.
 519         (m6812_page1_opcodes): New table for 68HC12 instructions.
 520         (m6812_page2_opcodes): Likewise.
 521         (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
 522         (gen_save_result): Likewise.
 523         (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
 524         (cmp_opcode): New function for opcode comparision.
 525         (prepare_table): Sort the opcodes.
 526         (gen_interpreter): Prepare all the tables and generate either
 527         a 68HC11 or a 68HC12 simulator.
 528         (main): New options -m6811 and -m6812.
 529
 530         * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
 531         (cpu_special): Simulation of some 68HC12 instructions.
 532         (cpu_exg): New function.
 533         (cpu_dbcc): Likewise.
 534         (cpu_fetch_relbranch16): Likewise.
 535         (cpu_push_all): Push according to 68HC11 or 68HC12.
 536         (cpu_move16): Likewise.
 537         (cpu_move8): Likewise.
 538         (cpu_get_indexed_operand16): Likewise.
 539         (cpu_get_indexed_operand8): Likewise.
 540         (cpu_get_indexed_operand_addr): Likewise.
 541         (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
 542         (cpu_reset): Setup INIT register according to architecture.
 543
 544         * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
 545         (_sim_cpu): Keep track of the cpu being simulated.
 546         (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
 547         (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
 548         (cpu_m68hc11_pop_uint8): Likewise.
 549         (cpu_m68hc12_push_uintxx): New functions for 68HC12.
 550         (cpu_m68hc12_pop_uintxx): Likewise.
 551         (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
 552         (cpu_fetch_relbranch16): Likewise.
 553         (cpu_interp_m6811): Rename of cpu_interp.
 554         (cpu_interp_m6812): New function.
 555         * interp.c (free_state): New function.
 556         (dev_list_68hc12): New table.
 557         (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
 558         (sim_hw_configure): New function.
 559         (sim_prepare_for_program): New function.
 560         (sim_open): Use above new functions.
 561         (sim_close): Call free_state().
 562         (sim_info): Print info according to cpu.
 563         (sim_create_inferior): Use sim_prepare_for_program.
 564         (sim_do_command): Configure the hardware after a change of the
 565         architecture.
 566
 567 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 568
 569         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
 570         pending interrupts.
 571         * interrupts.c (interrupts_process): Keep track of the last number
 572         of masked insn cycles.
 573         (interrupts_initialize): Clear last number of masked insn cycles.
 574         (interrupts_info): Report them.
 575         (interrupts_update_pending): Compute clear and set masks of
 576         interrupts and clear the interrupt bits before setting them
 577         (due to SCI interrupt sharing).
 578         * interrupts.h (struct interrupts): New members last_mask_cycles
 579         and xirq_last_mask_cycles.
 580
 581 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 582
 583         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
 584         instead of a hard-coded value.
 585         (m68hc11cpu_io_write_buffer): Likewise.
 586         (dv_m68hc11_descriptor): Define a 68hc12 device.
 587         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
 588         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
 589         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
 590         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
 591
 592 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 593
 594         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
 595         (m68hc11cpu_delete): Delete handler to detach the address space.
 596
 597 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 598
 599         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
 600         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
 601         instead of free and malloc.
 602
 603 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 604
 605         * Makefile.in: Was missing from initial patch.
 606
 607 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 608
 609         * interp.c (sim_store_register): Remove soft register hack.
 610         (sim_fetch_register): Likewise.
 611         (sim_create_inferior): Likewise.
 612         * sim-main.h: Likewise.
 613
 614 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 615
 616         * interrupts.c (interrupts_update_pending): Clear the mask of
 617         pending interrupts here.
 618         (interrupts_get_current): Don't clear the mask of pending interrupts.
 619
 620 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 621
 622         * sim-main.h: Define cycle_to_string.
 623         * dv-m68hc11tim.c (cycle_to_string): New function to translate
 624         the cpu cycle into some formatted time string.
 625         (m68hc11tim_print_timer): Use it.
 626         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
 627         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 628         * interrupts.c (interrupts_info): Likewise.
 629         * m68hc11_sim.c (cpu_info): Likewise.
 630
 631 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 632
 633         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
 634         interrupt and compare events accurately.  Take into account the
 635         pending ticks not processed by the simulator yet (introduced a shift).
 636         (m68hc11_port_event): Reset the timer interrupt delays.
 637         (m68hc11tim_io_read_buffer): Be able to read several bytes.
 638         (m68hc11tim_io_write_buffer): Likewise for write.
 639         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
 640
 641 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 642
 643         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
 644         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
 645         (m68hc11spi_info): Clarify the status report
 646         of the SPI when a byte is being sent.
 647         (m68hc11spi_clock): Fix the spi send frame.
 648
 649 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 650
 651         * sim-main.h (m68hc11_map_level): Define level of address mappings.
 652         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
 653         whether the eeprom is currently mapped or not.
 654         (m68hc11eepr_port_event): Use the flag to see if we must unmap
 655         or map the eeprom.  Update the flag to reflect the current state.
 656         Use M6811_EEPROM_LEVEL when mapping the eeprom.
 657         (m68hc11eepr_finish): Remove overlap hack.
 658         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
 659         config and control registers.
 660         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
 661         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
 662         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
 663         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
 664         (attach_m68hc11spi_regs): Likewise.
 665         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 666         (attach_m68hc11tim_regs): Likewise.
 667         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 668         (attach_m68hc11sio_regs): Likewise.
 669         * interp.c (sim_open): Likewise.
 670         * dv-nvram.c (attach_nvram_regs): Likewise.
 671
 672 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 673
 674         * configure, config.in: Regenerate.
 675
 676 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 677
 678         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 679         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 680         (dv_m6811_detach_address_callback): New function to detach a
 681         device from an address space.
 682         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 683         config register according to --cpu-config option.
 684         * sim-main.h (_sim_cpu): Add cpu_config member.
 685         * interp.c (sim_open): Delete specific simulator options.
 686         * m68hc11_sim.c (cpu_option_handler): New options
 687         --emulos and -cpu-config <val> to configure the simulator.
 688         (cpu_initialize): Initialize cpu_config member.
 689
 690 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 691
 692         * emulos.c: Fix indentation and comments.
 693         * gencode.c: Likewise.
 694         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 695         (m68hc11tim_io_write_buffer): Write compare registers and
 696         setup compare event.
 697         * interp.c: Remove unused global variables.
 698         * interrupts.c (idefs): New compare interrupts.
 699         Fix indentation and comments.
 700         * interrupts.h: Likewise.
 701
 702 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 703
 704         * dv-m68hc11sio.c: Fix indentation and comments.
 705         Remove INT_PORT.
 706         * dv-m68hc11.c: Fix indentation and comments.
 707         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 708         * m68hc11_sim.c (cpu_reset): To here.
 709         * dv-m68hc11eepr.c: Fix indentation and comments.
 710
 711 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 712
 713         * dv-nvram.c: New file, rename from dv-pram.c.
 714         * dv-pram.c: Delete file.
 715         * sim-main.h: Incorporate m68hc11_sim.h.
 716         * m68hc11_sim.h: Delete file.
 717         * configure.in: Rename pram into nvram.
 718         * interp.c (sim_open): Likewise in creation of device tree.
 719
 720 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 721
 722         * interp.c (sim_open): Create the SPI device.
 723         * dv-m68hc11spi.c: New file for SPI device simulation.
 724         * configure.in (hw_extra_devices): Add SPI device.
 725
 726 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 727
 728         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 729         (interrupts_process): Separate IRQ and XIRQ accounting.
 730         (interrupts_info): Report XIRQ accounting.
 731         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 732
 733 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 734
 735         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 736         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 737         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 738         configuration from the 'mode' device tree property.
 739         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 740         configuration.
 741
 742 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 743
 744         * sim-main.h: Remove WITH_TARGET_* defines.
 745         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 746
 747 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 748
 749         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 750         1200 baud when cpu is in bootstrap mode.
 751
 752         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 753         write in the TCTN timer register.
 754
 755         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 756         by 4 to obtain the E clock frequency.
 757         (sccr2_desc): Use M6811_TIE for TIE bit.
 758         (m68hc11sio_info): Fix baud rate report.
 759
 760         * dv-m68hc11tim.c (to_realtime): Likewise.
 761
 762         * interp.c (sim_open): When building device tree, only provide
 763         devices that do not exist yet.
 764
 765         * emulos.c: Fix compilation pb under Windows.
 766
 767         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 768         from the 'clock' property.
 769
 770 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 771
 772         * m68hc11_sim.h (*_REGNUM): Define.
 773         (_sim_cpu): New member cpu_page0_reg table.
 774         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 775         addresses of soft registers in .page0.
 776         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 777         to get/set soft registers.
 778
 779 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 780
 781         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 782         returning random values.
 783
 784 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 785
 786         * gencode.c: Fix "subb N,x" that used a instead of b.
 787
 788 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 789
 790         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 791
 792 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 793
 794         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 795
 796 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 797
 798         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 799         register region in the m68hc11cpu struct.
 800         (m68hc11cpu_io_write): When the IO mapping addres changes,
 801         detach the register region and re-attach it at the new address.
 802         (m68hc11cpu_io_read_buffer): Renamed base_address into
 803         attach_address.
 804         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 805         to m68hc11cpu_io_write.
 806
 807 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 808
 809         * gencode.c: For sbc8, check the carry and increment the source
 810         before trying to set the carry for the result.
 811
 812 1999-05-24  John S. Kallal <kallal@voicenet.com>
 813
 814         * interp.c (sim_get_info): Don't crash if the command line is 0.
 815         Define prototype for sim_get_info() and init_system().
 816         (sim_info): Correct call to sim_get_info().
 817
 818 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 819
 820         * configure.in: Recognize m6811-*-*.
 821         * configure: Regenerate.
 822         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 823         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 824         Correct the computation of carry of 8 and 16-bits add and subtract.
 825         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 826         overflow set in a different manner than add).
 827
 828 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 829
 830         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 831         trace message.
 832         * interp.c (sim_open, sim_create_inferior): Initialize the
 833         cpu_elf_start from the ELF header.
 834         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 835         (cpu_restart): Use cpu_elf_start as the starting address when
 836         the flag is set.
 837         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 838         exits the simulator (exit status is in D).
 839         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 840         cpu_elf_star to start execution at address specified in ELF file.
 841
 842 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 843
 844         * Makefile.in, config.in, configure, configure.in: New files.
 845         * gencode.c: New file, generation of 68HC11 interpreter.
 846         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 847         for interpreter.
 848         * interrupts.c, interrupts.h: New files, management of interrupts.
 849         * interp.c, sim-main.h,
 850         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 851         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 852         68HC11 (dv-pram.c is generic and could probably migrate to common).
 853         * emulos.c: New file, basic emulation of some os.