sim/m68hc11/ChangeLog

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