1 2004-06-15 Alan Modra <amodra@bigpond.net.au>
3 * interp.c (sim_prepare_for_program): Use bfd_get_section_size
4 instead of bfd_get_section_size_before_reloc.
6 2003-08-08 Stephane Carrez <stcarrez@nerim.fr>
8 * dv-m68hc11tim.c (cycle_to_string): Add flags parameter to better
9 control the translation.
10 (m68hc11tim_print_timer): Update cycle_to_string conversion.
11 (m68hc11tim_timer_event): Fix handling of output
12 compare register with its interrupts.
13 (m68hc11tim_io_write_buffer): Check output compare
14 after setting M6811_TMSK1.
15 (m68hc11tim_io_read_buffer): Fix compilation warning.
16 * dv-m68hc11.c (m68hc11_option_handler): Likewise.
17 * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
18 * dv-m68hc11sio.c (m68hc11sio_info): Likewise.
19 * interrupts.c (interrupts_info): Likewise.
20 (interrupts_reset): Recognize bootstrap mode.
21 * sim-main.h (PRINT_CYCLE, PRINT_TIME): New defines.
22 (_sim_cpu): Add cpu_start_mode.
23 (cycle_to_string): Add flags member.
24 * m68hc11_sim.c (OPTION_CPU_BOOTSTRAP): New option.
25 (cpu_options): Declare new option bootstrap.
26 (cpu_option_handler): Handle it.
27 (cpu_info): Update call to cycle_to_string.
29 2003-08-08 Stephane Carrez <stcarrez@nerim.fr>
31 * sim-main.h (phys_to_virt): Use memory bank parameters to translate
32 the physical address in virtual address.
33 (struct _sim_cpu): Add memory bank members.
34 * m68hc11_sim.c (cpu_initialize): Clear memory bank parameters.
35 * interp.c (sim_hw_configure): Create memory bank according to memory
37 (sim_get_bank_parameters): New function to obtain memory bank config
38 from the symbol table.
39 (sim_prepare_for_program): Call it to obtain the memory bank parameters.
40 (sim_open): Call sim_prepare_for_program.
41 * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Use memory bank parameters
42 to check if address is within bank window.
43 (m68hc11cpu_io_read_buffer): Likewise.
44 (attach_m68hc11_regs): Map the memory bank according to memory bank
47 2003-08-08 Stephane Carrez <stcarrez@nerim.fr>,
49 * sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb.
51 2003-08-08 Stephane Carrez <stcarrez@nerim.fr>,
52 Gary Piercey <gpiercey@northstar-technical.com>
54 * m68hc11_sim.c (print_io_word): New function to print 16-bit value.
55 * sim-main.h (print_io_word): Declare.
56 * dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1.
57 (tflg1_desc): Likewise for TFLG1.
58 (m68hc11tim_info): Print input and output compare registers
60 2003-03-02 Stephane Carrez <stcarrez@nerim.fr>
62 * Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE
63 to 32 to support memory bank switching; temporarily use 32-bit for
64 WORD_BITSIZE to avoid a bug in sim-common.
66 2003-03-01 Stephane Carrez <stcarrez@nerim.fr>
68 * interp.c (sim_fetch_register): Only store a single byte for
71 2003-02-27 Andrew Cagney <cagney@redhat.com>
73 * interp.c (sim_prepare_for_program, sim_open)
74 (sim_create_inferior): Rename _bfd to bfd.
76 2002-08-13 Stephane Carrez <stcarrez@nerim.fr>
78 * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.
80 2002-08-13 Marko Kohtala <marko.kohtala@luukku.com>
82 * interp.c (sim_prepare_for_program): Look up the image for the
83 reset vector and set cpu_use_elf_start to 1 if not found.
84 (sim_open): Do not set cpu_use_elf_start.
86 2002-08-13 Marko Kohtala <marko.kohtala@luukku.com>
88 * interp.c (sim_hw_configure): Return 1 for success.
89 (sim_prepare_for_program): Use the sim_hw_configure exit code to
92 2002-08-13 Stephane Carrez <stcarrez@nerim.fr>
94 * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
95 bank window to some virtual address to read from extended memory.
96 (m68hc11cpu_io_write_buffer): Likewise for writing.
97 (attach_m68hc11_regs): When use_bank property is defined, attach
98 to the 68HC12 16K memory bank window.
99 * interp.c (sim_hw_configure): Create memory region for banked
102 2002-08-13 Stephane Carrez <Stephane.Carrez@nerim.fr>
104 * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
105 * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
106 (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
108 2002-08-13 Marko Kohtala <marko.kohtala@luukku.com>
110 * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
111 when IO mapping changed, not when internal RAM mapping is changed.
113 2002-08-13 Stephane Carrez <stcarrez@nerim.fr>
115 * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
116 * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
117 (m6811_regs): Add page register.
118 (cpu_set_page, cpu_get_page): New macros.
119 (phys_to_virt): New function.
120 (cpu_get_indexed_operand_addr, cpu_return): Declare.
121 * gencode.c: Identify indirect addressing mode for call and fix daa.
122 (gen_function_entry): New param to tell if src8/dst8 locals are
124 (gen_interpreter): Use it to avoid generation of unused variables.
125 * interp.c (sim_fetch_register): Allow to read page register; page
126 register, A, B and CCR are only 1 byte wide.
127 (sim_store_register): Likewise for writing.
129 2002-06-16 Andrew Cagney <ac131313@redhat.com>
131 * configure: Regenerated to track ../common/aclocal.m4 changes.
133 2002-06-09 Andrew Cagney <cagney@redhat.com>
135 * Makefile.in (INCLUDE): Update path to callback.h.
136 * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
138 2002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
140 * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
141 (cpu_move16): Likewise.
142 (sim_memory_error): Use sim_io_printf.
143 (cpu_option_handler): Fix compilation warning.
144 * interp.c (sim_hw_configure): Fix compilation warning;
145 remove m68hc12sio@2 device.
146 (sim_open): Likewise.
147 * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
149 (cycle_to_string): Improve convertion of cpu cycle number.
150 (m68hc11tim_info): Print info about PACNT.
151 (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
152 TCTL1 and TCTL2 registers.
153 * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
155 2002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
157 * interp.c (sim_hw_configure): Save the HW cpu pointer in the
159 (sim_hw_configure): Connect the capture input/output events.
160 * sim-main.h (_sim_cpu): New member hw_cpu.
161 (m68hc11cpu_set_oscillator): Declare.
162 (m68hc11cpu_clear_oscillator): Declare.
163 (m68hc11cpu_set_port): Declare.
164 * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
165 (m68hc11cpu_ports): New input ports and output ports to reflect
167 (m68hc11_delete): Cleanup any running oscillator.
168 (attach_m68hc11_regs): Create the input oscillators.
169 (make_oscillator): New function.
170 (find_oscillator): New function.
171 (oscillator_handler): New function.
172 (reset_oscillators): New function.
173 (m68hc11cpu_port_event): Handle the new input ports.
174 (m68hc11cpu_set_oscillator): New function.
175 (m68hc11cpu_clear_oscillator): New function.
176 (get_frequency): New function.
177 (m68hc11_option_handler): New function.
178 (m68hc11cpu_set_port): New function.
179 (m68hc11cpu_io_write): Post the port output events.
180 * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
181 the output port value.
182 * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
183 by latching the TCNT value in the register.
185 2002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
187 * sim-main.h (cpu_frame, cpu_frame_list): Remove.
188 (cpu_frame_reg, cpu_print_frame): Remove.
189 (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
190 (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
191 (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
192 (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
193 * m68hc11_sim.c (cpu_find_frame): Remove.
194 (cpu_create_frame_list): Remove.
195 (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
196 (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
197 (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
198 (cpu_update_frame): Likewise.
199 (cpu_return): Likewise.
200 (cpu_reset): Likewise.
201 (cpu_initialize): Likewise.
202 * interp.c (sim_do_command): Remove call to cpu_print_frame.
204 2002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
206 * interrupts.c (interrupts_reset): New function, setup interrupt
207 vector address according to cpu mode.
208 (interrupts_initialize): Move reset portion to the above.
209 (interrupt_names): New table to give a name to interrupts.
210 (idefs): Handle pulse accumulator interrupts.
211 (interrupts_info): Print the interrupt history.
212 (interrupt_option_handler): New function.
213 (interrupt_options): New table of options.
214 (interrupts_update_pending): Keep track of when interrupts are
215 raised and implement breakpoint-on-raise-interrupt.
216 (interrupts_process): Keep track of when interrupts are taken
217 and implement breakpoint-on-interrupt.
218 * interrupts.h (struct interrupt_history): Define.
219 (struct interrupt): Keep track of the interrupt history.
220 (interrupts_reset): Declare.
221 (interrupts_initialize): Update prototype.
222 * m68hc11_sim.c (cpu_reset): Reset interrupts.
223 (cpu_initialize): Cleanup.
225 2001-07-28 Stephane Carrez <Stephane.Carrez@worldnet.fr>
227 * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
229 (m68hc11eepr_port_event): Fix detach/attach logic.
231 2001-07-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
233 * Makefile.in (SIM_OBJS): Remove sim-resume.o
234 * interp.c (sim_resume): New function from sim-resume.c, install
235 the stepping event after having processed the pending ticks.
236 (has_stepped): Likewise.
237 (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
239 2001-07-10 Andrew Cagney <ac131313@redhat.com>
241 * Makefile.in (gencode): Provide explicit path to gencode.c.
243 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
245 * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
246 (m68hc12int.c): Generate using gencode -m6812.
247 (m68hc11int.c): Likewise with -m6811.
249 * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
250 (m6811_page1_opcodes): Remove duplicate entries.
251 (m6811_page2_opcodes): Likewise.
252 (m6811_page3_opcodes): Likewise.
253 (m6811_page4_opcodes): Likewise.
254 (m6812_page1_opcodes): New table for 68HC12 instructions.
255 (m6812_page2_opcodes): Likewise.
256 (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
257 (gen_save_result): Likewise.
258 (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
259 (cmp_opcode): New function for opcode comparision.
260 (prepare_table): Sort the opcodes.
261 (gen_interpreter): Prepare all the tables and generate either
262 a 68HC11 or a 68HC12 simulator.
263 (main): New options -m6811 and -m6812.
265 * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
266 (cpu_special): Simulation of some 68HC12 instructions.
267 (cpu_exg): New function.
268 (cpu_dbcc): Likewise.
269 (cpu_fetch_relbranch16): Likewise.
270 (cpu_push_all): Push according to 68HC11 or 68HC12.
271 (cpu_move16): Likewise.
272 (cpu_move8): Likewise.
273 (cpu_get_indexed_operand16): Likewise.
274 (cpu_get_indexed_operand8): Likewise.
275 (cpu_get_indexed_operand_addr): Likewise.
276 (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
277 (cpu_reset): Setup INIT register according to architecture.
279 * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
280 (_sim_cpu): Keep track of the cpu being simulated.
281 (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
282 (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
283 (cpu_m68hc11_pop_uint8): Likewise.
284 (cpu_m68hc12_push_uintxx): New functions for 68HC12.
285 (cpu_m68hc12_pop_uintxx): Likewise.
286 (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
287 (cpu_fetch_relbranch16): Likewise.
288 (cpu_interp_m6811): Rename of cpu_interp.
289 (cpu_interp_m6812): New function.
290 * interp.c (free_state): New function.
291 (dev_list_68hc12): New table.
292 (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
293 (sim_hw_configure): New function.
294 (sim_prepare_for_program): New function.
295 (sim_open): Use above new functions.
296 (sim_close): Call free_state().
297 (sim_info): Print info according to cpu.
298 (sim_create_inferior): Use sim_prepare_for_program.
299 (sim_do_command): Configure the hardware after a change of the
302 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
304 * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
306 * interrupts.c (interrupts_process): Keep track of the last number
307 of masked insn cycles.
308 (interrupts_initialize): Clear last number of masked insn cycles.
309 (interrupts_info): Report them.
310 (interrupts_update_pending): Compute clear and set masks of
311 interrupts and clear the interrupt bits before setting them
312 (due to SCI interrupt sharing).
313 * interrupts.h (struct interrupts): New members last_mask_cycles
314 and xirq_last_mask_cycles.
316 2000-11-26 Stephane Carrez <Stephane.Carrez@worldnet.fr>
318 * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
319 instead of a hard-coded value.
320 (m68hc11cpu_io_write_buffer): Likewise.
321 (dv_m68hc11_descriptor): Define a 68hc12 device.
322 * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
323 * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
324 * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
325 * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
327 2000-11-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
329 * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
330 (m68hc11cpu_delete): Delete handler to detach the address space.
332 2000-11-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
334 * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
335 * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
336 instead of free and malloc.
338 2000-09-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
340 * Makefile.in: Was missing from initial patch.
342 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
344 * interp.c (sim_store_register): Remove soft register hack.
345 (sim_fetch_register): Likewise.
346 (sim_create_inferior): Likewise.
347 * sim-main.h: Likewise.
349 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
351 * interrupts.c (interrupts_update_pending): Clear the mask of
352 pending interrupts here.
353 (interrupts_get_current): Don't clear the mask of pending interrupts.
355 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
357 * sim-main.h: Define cycle_to_string.
358 * dv-m68hc11tim.c (cycle_to_string): New function to translate
359 the cpu cycle into some formatted time string.
360 (m68hc11tim_print_timer): Use it.
361 * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
362 * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
363 * interrupts.c (interrupts_info): Likewise.
364 * m68hc11_sim.c (cpu_info): Likewise.
366 2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
368 * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
369 interrupt and compare events accurately. Take into account the
370 pending ticks not processed by the simulator yet (introduced a shift).
371 (m68hc11_port_event): Reset the timer interrupt delays.
372 (m68hc11tim_io_read_buffer): Be able to read several bytes.
373 (m68hc11tim_io_write_buffer): Likewise for write.
374 (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
376 2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
378 * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
379 (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
380 (m68hc11spi_info): Clarify the status report
381 of the SPI when a byte is being sent.
382 (m68hc11spi_clock): Fix the spi send frame.
384 2000-08-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
386 * sim-main.h (m68hc11_map_level): Define level of address mappings.
387 * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
388 whether the eeprom is currently mapped or not.
389 (m68hc11eepr_port_event): Use the flag to see if we must unmap
390 or map the eeprom. Update the flag to reflect the current state.
391 Use M6811_EEPROM_LEVEL when mapping the eeprom.
392 (m68hc11eepr_finish): Remove overlap hack.
393 (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
394 config and control registers.
395 * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
396 (attach_m68hc11_regs): Use M6811_IO_LEVEL.
397 (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
398 * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
399 (attach_m68hc11spi_regs): Likewise.
400 * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
401 (attach_m68hc11tim_regs): Likewise.
402 * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
403 (attach_m68hc11sio_regs): Likewise.
404 * interp.c (sim_open): Likewise.
405 * dv-nvram.c (attach_nvram_regs): Likewise.
407 Thu Jul 27 21:27:25 2000 Andrew Cagney <cagney@b1.cygnus.com>
409 * configure, config.in: Regenerate.
411 2000-06-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
413 * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
414 * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
415 (dv_m6811_detach_address_callback): New function to detach a
416 device from an address space.
417 * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
418 config register according to --cpu-config option.
419 * sim-main.h (_sim_cpu): Add cpu_config member.
420 * interp.c (sim_open): Delete specific simulator options.
421 * m68hc11_sim.c (cpu_option_handler): New options
422 --emulos and -cpu-config <val> to configure the simulator.
423 (cpu_initialize): Initialize cpu_config member.
425 2000-06-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
427 * emulos.c: Fix indentation and comments.
428 * gencode.c: Likewise.
429 * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
430 (m68hc11tim_io_write_buffer): Write compare registers and
432 * interp.c: Remove unused global variables.
433 * interrupts.c (idefs): New compare interrupts.
434 Fix indentation and comments.
435 * interrupts.h: Likewise.
437 2000-06-18 Stephane Carrez <Stephane.Carrez@worldnet.fr>
439 * dv-m68hc11sio.c: Fix indentation and comments.
441 * dv-m68hc11.c: Fix indentation and comments.
442 (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
443 * m68hc11_sim.c (cpu_reset): To here.
444 * dv-m68hc11eepr.c: Fix indentation and comments.
446 2000-06-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
448 * dv-nvram.c: New file, rename from dv-pram.c.
449 * dv-pram.c: Delete file.
450 * sim-main.h: Incorporate m68hc11_sim.h.
451 * m68hc11_sim.h: Delete file.
452 * configure.in: Rename pram into nvram.
453 * interp.c (sim_open): Likewise in creation of device tree.
455 2000-05-31 Stephane Carrez <Stephane.Carrez@worldnet.fr>
457 * interp.c (sim_open): Create the SPI device.
458 * dv-m68hc11spi.c: New file for SPI device simulation.
459 * configure.in (hw_extra_devices): Add SPI device.
461 2000-05-28 Stephane Carrez <Stephane.Carrez@worldnet.fr>
463 * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
464 (interrupts_process): Separate IRQ and XIRQ accounting.
465 (interrupts_info): Report XIRQ accounting.
466 * interrupts.h (struct interrupts): Added accounting for XIRQ.
468 2000-04-16 Stephane Carrez <stcarrez@worldnet.fr>
470 * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
471 * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
472 * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
473 configuration from the 'mode' device tree property.
474 (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
477 2000-02-24 Stephane Carrez <stcarrez@worldnet.fr>
479 * sim-main.h: Remove WITH_TARGET_* defines.
480 * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
482 2000-02-08 Stephane Carrez <stcarrez@worldnet.fr>
484 * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
485 1200 baud when cpu is in bootstrap mode.
487 * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
488 write in the TCTN timer register.
490 * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
491 by 4 to obtain the E clock frequency.
492 (sccr2_desc): Use M6811_TIE for TIE bit.
493 (m68hc11sio_info): Fix baud rate report.
495 * dv-m68hc11tim.c (to_realtime): Likewise.
497 * interp.c (sim_open): When building device tree, only provide
498 devices that do not exist yet.
500 * emulos.c: Fix compilation pb under Windows.
502 * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
503 from the 'clock' property.
505 2000-01-02 Stephane Carrez <stcarrez@worldnet.fr>
507 * m68hc11_sim.h (*_REGNUM): Define.
508 (_sim_cpu): New member cpu_page0_reg table.
509 * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
510 addresses of soft registers in .page0.
511 (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
512 to get/set soft registers.
514 1999-12-31 Stephane Carrez <stcarrez@worldnet.fr>
516 * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
517 returning random values.
519 1999-12-17 Stephane Carrez <stcarrez@worldnet.fr>
521 * gencode.c: Fix "subb N,x" that used a instead of b.
523 1999-09-09 Stephane Carrez <stcarrez@worldnet.fr>
525 * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
527 1999-09-01 Stephane Carrez <stcarrez@worldnet.fr>
529 * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
531 1999-08-14 Stephane Carrez <stcarrez@worldnet.fr>
533 * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
534 register region in the m68hc11cpu struct.
535 (m68hc11cpu_io_write): When the IO mapping addres changes,
536 detach the register region and re-attach it at the new address.
537 (m68hc11cpu_io_read_buffer): Renamed base_address into
539 (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
540 to m68hc11cpu_io_write.
542 1999-08-13 Stephane Carrez <stcarrez@worldnet.fr>
544 * gencode.c: For sbc8, check the carry and increment the source
545 before trying to set the carry for the result.
547 1999-05-24 John S. Kallal <kallal@voicenet.com>
549 * interp.c (sim_get_info): Don't crash if the command line is 0.
550 Define prototype for sim_get_info() and init_system().
551 (sim_info): Correct call to sim_get_info().
553 1999-05-16 Stephane Carrez <stcarrez@worldnet.fr>
555 * configure.in: Recognize m6811-*-*.
556 * configure: Regenerate.
557 * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
558 cpu_ccr_update_sub8, cpu_ccr_update_sub16):
559 Correct the computation of carry of 8 and 16-bits add and subtract.
560 * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
561 overflow set in a different manner than add).
563 1999-05-14 Stephane Carrez <stcarrez@worldnet.fr>
565 * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
567 * interp.c (sim_open, sim_create_inferior): Initialize the
568 cpu_elf_start from the ELF header.
569 * m68hc11_sim.c (cpu_initialize): Clear the new data members.
570 (cpu_restart): Use cpu_elf_start as the starting address when
572 (cpu_special): When cpu_use_elf_start is set, the WAI instruction
573 exits the simulator (exit status is in D).
574 * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
575 cpu_elf_star to start execution at address specified in ELF file.
577 1999-05-02 Stephane Carrez <stcarrez@worldnet.fr>
579 * Makefile.in, config.in, configure, configure.in: New files.
580 * gencode.c: New file, generation of 68HC11 interpreter.
581 * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
583 * interrupts.c, interrupts.h: New files, management of interrupts.
584 * interp.c, sim-main.h,
585 * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
586 dv-m68hc11tim.c, dv-pram.c: New files representing devices for
587 68HC11 (dv-pram.c is generic and could probably migrate to common).
588 * emulos.c: New file, basic emulation of some os.