sim/m68hc11/ChangeLog

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