sim/m68hc11/ChangeLog

   1 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
   2
   3         * sim-main.h (cpu_frame, cpu_frame_list): Remove.
   4         (cpu_frame_reg, cpu_print_frame): Remove.
   5         (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
   6         (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
   7         (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
   8         (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
   9         * m68hc11_sim.c (cpu_find_frame): Remove.
  10         (cpu_create_frame_list): Remove.
  11         (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
  12         (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
  13         (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
  14         (cpu_update_frame): Likewise.
  15         (cpu_return): Likewise.
  16         (cpu_reset): Likewise.
  17         (cpu_initialize): Likewise.
  18         * interp.c (sim_do_command): Remove call to cpu_print_frame.
  19
  20 2002-03-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  21
  22         * interrupts.c (interrupts_reset): New function, setup interrupt
  23         vector address according to cpu mode.
  24         (interrupts_initialize): Move reset portion to the above.
  25         (interrupt_names): New table to give a name to interrupts.
  26         (idefs): Handle pulse accumulator interrupts.
  27         (interrupts_info): Print the interrupt history.
  28         (interrupt_option_handler): New function.
  29         (interrupt_options): New table of options.
  30         (interrupts_update_pending): Keep track of when interrupts are
  31         raised and implement breakpoint-on-raise-interrupt.
  32         (interrupts_process): Keep track of when interrupts are taken
  33         and implement breakpoint-on-interrupt.
  34         * interrupts.h (struct interrupt_history): Define.
  35         (struct interrupt): Keep track of the interrupt history.
  36         (interrupts_reset): Declare.
  37         (interrupts_initialize): Update prototype.
  38         * m68hc11_sim.c (cpu_reset): Reset interrupts.
  39         (cpu_initialize): Cleanup.
  40
  41 2001-07-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  42
  43         * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
  44         address.
  45         (m68hc11eepr_port_event): Fix detach/attach logic.
  46
  47 2001-07-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  48
  49         * Makefile.in (SIM_OBJS): Remove sim-resume.o
  50         * interp.c (sim_resume): New function from sim-resume.c, install
  51         the stepping event after having processed the pending ticks.
  52         (has_stepped): Likewise.
  53         (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
  54
  55 2001-07-10  Andrew Cagney  <ac131313@redhat.com>
  56
  57         * Makefile.in (gencode): Provide explicit path to gencode.c.
  58
  59 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
  60
  61         * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
  62         (m68hc12int.c): Generate using gencode -m6812.
  63         (m68hc11int.c): Likewise with -m6811.
  64
  65         * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
  66         (m6811_page1_opcodes): Remove duplicate entries.
  67         (m6811_page2_opcodes): Likewise.
  68         (m6811_page3_opcodes): Likewise.
  69         (m6811_page4_opcodes): Likewise.
  70         (m6812_page1_opcodes): New table for 68HC12 instructions.
  71         (m6812_page2_opcodes): Likewise.
  72         (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
  73         (gen_save_result): Likewise.
  74         (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
  75         (cmp_opcode): New function for opcode comparision.
  76         (prepare_table): Sort the opcodes.
  77         (gen_interpreter): Prepare all the tables and generate either
  78         a 68HC11 or a 68HC12 simulator.
  79         (main): New options -m6811 and -m6812.
  80
  81         * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
  82         (cpu_special): Simulation of some 68HC12 instructions.
  83         (cpu_exg): New function.
  84         (cpu_dbcc): Likewise.
  85         (cpu_fetch_relbranch16): Likewise.
  86         (cpu_push_all): Push according to 68HC11 or 68HC12.
  87         (cpu_move16): Likewise.
  88         (cpu_move8): Likewise.
  89         (cpu_get_indexed_operand16): Likewise.
  90         (cpu_get_indexed_operand8): Likewise.
  91         (cpu_get_indexed_operand_addr): Likewise.
  92         (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
  93         (cpu_reset): Setup INIT register according to architecture.
  94
  95         * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
  96         (_sim_cpu): Keep track of the cpu being simulated.
  97         (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
  98         (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
  99         (cpu_m68hc11_pop_uint8): Likewise.
 100         (cpu_m68hc12_push_uintxx): New functions for 68HC12.
 101         (cpu_m68hc12_pop_uintxx): Likewise.
 102         (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
 103         (cpu_fetch_relbranch16): Likewise.
 104         (cpu_interp_m6811): Rename of cpu_interp.
 105         (cpu_interp_m6812): New function.
 106         * interp.c (free_state): New function.
 107         (dev_list_68hc12): New table.
 108         (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
 109         (sim_hw_configure): New function.
 110         (sim_prepare_for_program): New function.
 111         (sim_open): Use above new functions.
 112         (sim_close): Call free_state().
 113         (sim_info): Print info according to cpu.
 114         (sim_create_inferior): Use sim_prepare_for_program.
 115         (sim_do_command): Configure the hardware after a change of the
 116         architecture.
 117
 118 2001-05-20  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 119
 120         * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
 121         pending interrupts.
 122         * interrupts.c (interrupts_process): Keep track of the last number
 123         of masked insn cycles.
 124         (interrupts_initialize): Clear last number of masked insn cycles.
 125         (interrupts_info): Report them.
 126         (interrupts_update_pending): Compute clear and set masks of
 127         interrupts and clear the interrupt bits before setting them
 128         (due to SCI interrupt sharing).
 129         * interrupts.h (struct interrupts): New members last_mask_cycles
 130         and xirq_last_mask_cycles.
 131
 132 2000-11-26  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 133
 134         * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
 135         instead of a hard-coded value.
 136         (m68hc11cpu_io_write_buffer): Likewise.
 137         (dv_m68hc11_descriptor): Define a 68hc12 device.
 138         * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
 139         * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
 140         * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
 141         * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
 142
 143 2000-11-22  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 144
 145         * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
 146         (m68hc11cpu_delete): Delete handler to detach the address space.
 147
 148 2000-11-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 149
 150         * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
 151         * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
 152         instead of free and malloc.
 153
 154 2000-09-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 155
 156         * Makefile.in: Was missing from initial patch.
 157
 158 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 159
 160         * interp.c (sim_store_register): Remove soft register hack.
 161         (sim_fetch_register): Likewise.
 162         (sim_create_inferior): Likewise.
 163         * sim-main.h: Likewise.
 164
 165 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 166
 167         * interrupts.c (interrupts_update_pending): Clear the mask of
 168         pending interrupts here.
 169         (interrupts_get_current): Don't clear the mask of pending interrupts.
 170
 171 2000-09-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 172
 173         * sim-main.h: Define cycle_to_string.
 174         * dv-m68hc11tim.c (cycle_to_string): New function to translate
 175         the cpu cycle into some formatted time string.
 176         (m68hc11tim_print_timer): Use it.
 177         * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
 178         * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
 179         * interrupts.c (interrupts_info): Likewise.
 180         * m68hc11_sim.c (cpu_info): Likewise.
 181
 182 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 183
 184         * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
 185         interrupt and compare events accurately.  Take into account the
 186         pending ticks not processed by the simulator yet (introduced a shift).
 187         (m68hc11_port_event): Reset the timer interrupt delays.
 188         (m68hc11tim_io_read_buffer): Be able to read several bytes.
 189         (m68hc11tim_io_write_buffer): Likewise for write.
 190         (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
 191
 192 2000-09-06  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 193
 194         * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
 195         (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
 196         (m68hc11spi_info): Clarify the status report
 197         of the SPI when a byte is being sent.
 198         (m68hc11spi_clock): Fix the spi send frame.
 199
 200 2000-08-11  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 201
 202         * sim-main.h (m68hc11_map_level): Define level of address mappings.
 203         * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
 204         whether the eeprom is currently mapped or not.
 205         (m68hc11eepr_port_event): Use the flag to see if we must unmap
 206         or map the eeprom.  Update the flag to reflect the current state.
 207         Use M6811_EEPROM_LEVEL when mapping the eeprom.
 208         (m68hc11eepr_finish): Remove overlap hack.
 209         (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
 210         config and control registers.
 211         * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
 212         (attach_m68hc11_regs): Use M6811_IO_LEVEL.
 213         (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
 214         * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
 215         (attach_m68hc11spi_regs): Likewise.
 216         * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
 217         (attach_m68hc11tim_regs): Likewise.
 218         * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
 219         (attach_m68hc11sio_regs): Likewise.
 220         * interp.c (sim_open): Likewise.
 221         * dv-nvram.c (attach_nvram_regs): Likewise.
 222
 223 Thu Jul 27 21:27:25 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 224
 225         * configure, config.in: Regenerate.
 226
 227 2000-06-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 228
 229         * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
 230         * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
 231         (dv_m6811_detach_address_callback): New function to detach a
 232         device from an address space.
 233         * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
 234         config register according to --cpu-config option.
 235         * sim-main.h (_sim_cpu): Add cpu_config member.
 236         * interp.c (sim_open): Delete specific simulator options.
 237         * m68hc11_sim.c (cpu_option_handler): New options
 238         --emulos and -cpu-config <val> to configure the simulator.
 239         (cpu_initialize): Initialize cpu_config member.
 240
 241 2000-06-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 242
 243         * emulos.c: Fix indentation and comments.
 244         * gencode.c: Likewise.
 245         * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
 246         (m68hc11tim_io_write_buffer): Write compare registers and
 247         setup compare event.
 248         * interp.c: Remove unused global variables.
 249         * interrupts.c (idefs): New compare interrupts.
 250         Fix indentation and comments.
 251         * interrupts.h: Likewise.
 252
 253 2000-06-18  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 254
 255         * dv-m68hc11sio.c: Fix indentation and comments.
 256         Remove INT_PORT.
 257         * dv-m68hc11.c: Fix indentation and comments.
 258         (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
 259         * m68hc11_sim.c (cpu_reset): To here.
 260         * dv-m68hc11eepr.c: Fix indentation and comments.
 261
 262 2000-06-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 263
 264         * dv-nvram.c: New file, rename from dv-pram.c.
 265         * dv-pram.c: Delete file.
 266         * sim-main.h: Incorporate m68hc11_sim.h.
 267         * m68hc11_sim.h: Delete file.
 268         * configure.in: Rename pram into nvram.
 269         * interp.c (sim_open): Likewise in creation of device tree.
 270
 271 2000-05-31  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 272
 273         * interp.c (sim_open): Create the SPI device.
 274         * dv-m68hc11spi.c: New file for SPI device simulation.
 275         * configure.in (hw_extra_devices): Add SPI device.
 276
 277 2000-05-28  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
 278
 279         * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
 280         (interrupts_process): Separate IRQ and XIRQ accounting.
 281         (interrupts_info): Report XIRQ accounting.
 282         * interrupts.h (struct interrupts): Added accounting for XIRQ.
 283
 284 2000-04-16  Stephane Carrez  <stcarrez@worldnet.fr>
 285
 286         * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
 287         * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
 288         * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
 289         configuration from the 'mode' device tree property.
 290         (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
 291         configuration.
 292
 293 2000-02-24  Stephane Carrez  <stcarrez@worldnet.fr>
 294
 295         * sim-main.h: Remove WITH_TARGET_* defines.
 296         * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
 297
 298 2000-02-08  Stephane Carrez  <stcarrez@worldnet.fr>
 299
 300         * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
 301         1200 baud when cpu is in bootstrap mode.
 302
 303         * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
 304         write in the TCTN timer register.
 305
 306         * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
 307         by 4 to obtain the E clock frequency.
 308         (sccr2_desc): Use M6811_TIE for TIE bit.
 309         (m68hc11sio_info): Fix baud rate report.
 310
 311         * dv-m68hc11tim.c (to_realtime): Likewise.
 312
 313         * interp.c (sim_open): When building device tree, only provide
 314         devices that do not exist yet.
 315
 316         * emulos.c: Fix compilation pb under Windows.
 317
 318         * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
 319         from the 'clock' property.
 320
 321 2000-01-02  Stephane Carrez  <stcarrez@worldnet.fr>
 322
 323         * m68hc11_sim.h (*_REGNUM): Define.
 324         (_sim_cpu): New member cpu_page0_reg table.
 325         * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
 326         addresses of soft registers in .page0.
 327         (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
 328         to get/set soft registers.
 329
 330 1999-12-31  Stephane Carrez  <stcarrez@worldnet.fr>
 331
 332         * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
 333         returning random values.
 334
 335 1999-12-17  Stephane Carrez  <stcarrez@worldnet.fr>
 336
 337         * gencode.c: Fix "subb N,x" that used a instead of b.
 338
 339 1999-09-09  Stephane Carrez  <stcarrez@worldnet.fr>
 340
 341         * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
 342
 343 1999-09-01  Stephane Carrez  <stcarrez@worldnet.fr>
 344
 345         * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
 346
 347 1999-08-14  Stephane Carrez  <stcarrez@worldnet.fr>
 348
 349         * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
 350         register region in the m68hc11cpu struct.
 351         (m68hc11cpu_io_write): When the IO mapping addres changes,
 352         detach the register region and re-attach it at the new address.
 353         (m68hc11cpu_io_read_buffer): Renamed base_address into
 354         attach_address.
 355         (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
 356         to m68hc11cpu_io_write.
 357
 358 1999-08-13  Stephane Carrez  <stcarrez@worldnet.fr>
 359
 360         * gencode.c: For sbc8, check the carry and increment the source
 361         before trying to set the carry for the result.
 362
 363 1999-05-24  John S. Kallal <kallal@voicenet.com>
 364
 365         * interp.c (sim_get_info): Don't crash if the command line is 0.
 366         Define prototype for sim_get_info() and init_system().
 367         (sim_info): Correct call to sim_get_info().
 368
 369 1999-05-16  Stephane Carrez  <stcarrez@worldnet.fr>
 370
 371         * configure.in: Recognize m6811-*-*.
 372         * configure: Regenerate.
 373         * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
 374         cpu_ccr_update_sub8, cpu_ccr_update_sub16):
 375         Correct the computation of carry of 8 and 16-bits add and subtract.
 376         * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
 377         overflow set in a different manner than add).
 378
 379 1999-05-14  Stephane Carrez  <stcarrez@worldnet.fr>
 380
 381         * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
 382         trace message.
 383         * interp.c (sim_open, sim_create_inferior): Initialize the
 384         cpu_elf_start from the ELF header.
 385         * m68hc11_sim.c (cpu_initialize): Clear the new data members.
 386         (cpu_restart): Use cpu_elf_start as the starting address when
 387         the flag is set.
 388         (cpu_special): When cpu_use_elf_start is set, the WAI instruction
 389         exits the simulator (exit status is in D).
 390         * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
 391         cpu_elf_star to start execution at address specified in ELF file.
 392
 393 1999-05-02  Stephane Carrez  <stcarrez@worldnet.fr>
 394
 395         * Makefile.in, config.in, configure, configure.in: New files.
 396         * gencode.c: New file, generation of 68HC11 interpreter.
 397         * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
 398         for interpreter.
 399         * interrupts.c, interrupts.h: New files, management of interrupts.
 400         * interp.c, sim-main.h,
 401         * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
 402         dv-m68hc11tim.c, dv-pram.c: New files representing devices for
 403         68HC11 (dv-pram.c is generic and could probably migrate to common).
 404         * emulos.c: New file, basic emulation of some os.