* sim-main.h (phys_to_virt): Use memory bank parameters to translate
[deliverable/binutils-gdb.git] / sim / m68hc11 / ChangeLog
1 2003-08-08 Stephane Carrez <stcarrez@nerim.fr>
2
3 * sim-main.h (phys_to_virt): Use memory bank parameters to translate
4 the physical address in virtual address.
5 (struct _sim_cpu): Add memory bank members.
6 * m68hc11_sim.c (cpu_initialize): Clear memory bank parameters.
7 * interp.c (sim_hw_configure): Create memory bank according to memory
8 bank parameters.
9 (sim_get_bank_parameters): New function to obtain memory bank config
10 from the symbol table.
11 (sim_prepare_for_program): Call it to obtain the memory bank parameters.
12 (sim_open): Call sim_prepare_for_program.
13 * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Use memory bank parameters
14 to check if address is within bank window.
15 (m68hc11cpu_io_read_buffer): Likewise.
16 (attach_m68hc11_regs): Map the memory bank according to memory bank
17 parameters.
18
19 2003-08-08 Stephane Carrez <stcarrez@nerim.fr>,
20
21 * sim-main.h (PAGE_REGNUM, Z_REGNUM): Use same numbering as gdb.
22
23 2003-08-08 Stephane Carrez <stcarrez@nerim.fr>,
24 Gary Piercey <gpiercey@northstar-technical.com>
25
26 * m68hc11_sim.c (print_io_word): New function to print 16-bit value.
27 * sim-main.h (print_io_word): Declare.
28 * dv-m68hc11tim.c (tmsk1_desc): New description table for TMSK1.
29 (tflg1_desc): Likewise for TFLG1.
30 (m68hc11tim_info): Print input and output compare registers
31
32 2003-03-02 Stephane Carrez <stcarrez@nerim.fr>
33
34 * Makefile.in (SIM_EXTRA_CFLAGS): Set WITH_TARGET_ADDRESS_BITSIZE
35 to 32 to support memory bank switching; temporarily use 32-bit for
36 WORD_BITSIZE to avoid a bug in sim-common.
37
38 2003-03-01 Stephane Carrez <stcarrez@nerim.fr>
39
40 * interp.c (sim_fetch_register): Only store a single byte for
41 1 byte registers.
42
43 2003-02-27 Andrew Cagney <cagney@redhat.com>
44
45 * interp.c (sim_prepare_for_program, sim_open)
46 (sim_create_inferior): Rename _bfd to bfd.
47
48 2002-08-13 Stephane Carrez <stcarrez@nerim.fr>
49
50 * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.
51
52 2002-08-13 Marko Kohtala <marko.kohtala@luukku.com>
53
54 * interp.c (sim_prepare_for_program): Look up the image for the
55 reset vector and set cpu_use_elf_start to 1 if not found.
56 (sim_open): Do not set cpu_use_elf_start.
57
58 2002-08-13 Marko Kohtala <marko.kohtala@luukku.com>
59
60 * interp.c (sim_hw_configure): Return 1 for success.
61 (sim_prepare_for_program): Use the sim_hw_configure exit code to
62 return SIM_RC_FAIL.
63
64 2002-08-13 Stephane Carrez <stcarrez@nerim.fr>
65
66 * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
67 bank window to some virtual address to read from extended memory.
68 (m68hc11cpu_io_write_buffer): Likewise for writing.
69 (attach_m68hc11_regs): When use_bank property is defined, attach
70 to the 68HC12 16K memory bank window.
71 * interp.c (sim_hw_configure): Create memory region for banked
72 memory.
73
74 2002-08-13 Stephane Carrez <Stephane.Carrez@nerim.fr>
75
76 * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
77 * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
78 (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
79
80 2002-08-13 Marko Kohtala <marko.kohtala@luukku.com>
81
82 * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
83 when IO mapping changed, not when internal RAM mapping is changed.
84
85 2002-08-13 Stephane Carrez <stcarrez@nerim.fr>
86
87 * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
88 * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
89 (m6811_regs): Add page register.
90 (cpu_set_page, cpu_get_page): New macros.
91 (phys_to_virt): New function.
92 (cpu_get_indexed_operand_addr, cpu_return): Declare.
93 * gencode.c: Identify indirect addressing mode for call and fix daa.
94 (gen_function_entry): New param to tell if src8/dst8 locals are
95 necessary.
96 (gen_interpreter): Use it to avoid generation of unused variables.
97 * interp.c (sim_fetch_register): Allow to read page register; page
98 register, A, B and CCR are only 1 byte wide.
99 (sim_store_register): Likewise for writing.
100
101 2002-06-16 Andrew Cagney <ac131313@redhat.com>
102
103 * configure: Regenerated to track ../common/aclocal.m4 changes.
104
105 2002-06-09 Andrew Cagney <cagney@redhat.com>
106
107 * Makefile.in (INCLUDE): Update path to callback.h.
108 * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
109
110 2002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
111
112 * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
113 (cpu_move16): Likewise.
114 (sim_memory_error): Use sim_io_printf.
115 (cpu_option_handler): Fix compilation warning.
116 * interp.c (sim_hw_configure): Fix compilation warning;
117 remove m68hc12sio@2 device.
118 (sim_open): Likewise.
119 * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
120 flags when reset.
121 (cycle_to_string): Improve convertion of cpu cycle number.
122 (m68hc11tim_info): Print info about PACNT.
123 (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
124 TCTL1 and TCTL2 registers.
125 * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
126
127 2002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
128
129 * interp.c (sim_hw_configure): Save the HW cpu pointer in the
130 cpu struct.
131 (sim_hw_configure): Connect the capture input/output events.
132 * sim-main.h (_sim_cpu): New member hw_cpu.
133 (m68hc11cpu_set_oscillator): Declare.
134 (m68hc11cpu_clear_oscillator): Declare.
135 (m68hc11cpu_set_port): Declare.
136 * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
137 (m68hc11cpu_ports): New input ports and output ports to reflect
138 the HC11 IOs.
139 (m68hc11_delete): Cleanup any running oscillator.
140 (attach_m68hc11_regs): Create the input oscillators.
141 (make_oscillator): New function.
142 (find_oscillator): New function.
143 (oscillator_handler): New function.
144 (reset_oscillators): New function.
145 (m68hc11cpu_port_event): Handle the new input ports.
146 (m68hc11cpu_set_oscillator): New function.
147 (m68hc11cpu_clear_oscillator): New function.
148 (get_frequency): New function.
149 (m68hc11_option_handler): New function.
150 (m68hc11cpu_set_port): New function.
151 (m68hc11cpu_io_write): Post the port output events.
152 * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
153 the output port value.
154 * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
155 by latching the TCNT value in the register.
156
157 2002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
158
159 * sim-main.h (cpu_frame, cpu_frame_list): Remove.
160 (cpu_frame_reg, cpu_print_frame): Remove.
161 (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
162 (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
163 (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
164 (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
165 * m68hc11_sim.c (cpu_find_frame): Remove.
166 (cpu_create_frame_list): Remove.
167 (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
168 (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
169 (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
170 (cpu_update_frame): Likewise.
171 (cpu_return): Likewise.
172 (cpu_reset): Likewise.
173 (cpu_initialize): Likewise.
174 * interp.c (sim_do_command): Remove call to cpu_print_frame.
175
176 2002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
177
178 * interrupts.c (interrupts_reset): New function, setup interrupt
179 vector address according to cpu mode.
180 (interrupts_initialize): Move reset portion to the above.
181 (interrupt_names): New table to give a name to interrupts.
182 (idefs): Handle pulse accumulator interrupts.
183 (interrupts_info): Print the interrupt history.
184 (interrupt_option_handler): New function.
185 (interrupt_options): New table of options.
186 (interrupts_update_pending): Keep track of when interrupts are
187 raised and implement breakpoint-on-raise-interrupt.
188 (interrupts_process): Keep track of when interrupts are taken
189 and implement breakpoint-on-interrupt.
190 * interrupts.h (struct interrupt_history): Define.
191 (struct interrupt): Keep track of the interrupt history.
192 (interrupts_reset): Declare.
193 (interrupts_initialize): Update prototype.
194 * m68hc11_sim.c (cpu_reset): Reset interrupts.
195 (cpu_initialize): Cleanup.
196
197 2001-07-28 Stephane Carrez <Stephane.Carrez@worldnet.fr>
198
199 * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
200 address.
201 (m68hc11eepr_port_event): Fix detach/attach logic.
202
203 2001-07-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
204
205 * Makefile.in (SIM_OBJS): Remove sim-resume.o
206 * interp.c (sim_resume): New function from sim-resume.c, install
207 the stepping event after having processed the pending ticks.
208 (has_stepped): Likewise.
209 (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
210
211 2001-07-10 Andrew Cagney <ac131313@redhat.com>
212
213 * Makefile.in (gencode): Provide explicit path to gencode.c.
214
215 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
216
217 * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
218 (m68hc12int.c): Generate using gencode -m6812.
219 (m68hc11int.c): Likewise with -m6811.
220
221 * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
222 (m6811_page1_opcodes): Remove duplicate entries.
223 (m6811_page2_opcodes): Likewise.
224 (m6811_page3_opcodes): Likewise.
225 (m6811_page4_opcodes): Likewise.
226 (m6812_page1_opcodes): New table for 68HC12 instructions.
227 (m6812_page2_opcodes): Likewise.
228 (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
229 (gen_save_result): Likewise.
230 (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
231 (cmp_opcode): New function for opcode comparision.
232 (prepare_table): Sort the opcodes.
233 (gen_interpreter): Prepare all the tables and generate either
234 a 68HC11 or a 68HC12 simulator.
235 (main): New options -m6811 and -m6812.
236
237 * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
238 (cpu_special): Simulation of some 68HC12 instructions.
239 (cpu_exg): New function.
240 (cpu_dbcc): Likewise.
241 (cpu_fetch_relbranch16): Likewise.
242 (cpu_push_all): Push according to 68HC11 or 68HC12.
243 (cpu_move16): Likewise.
244 (cpu_move8): Likewise.
245 (cpu_get_indexed_operand16): Likewise.
246 (cpu_get_indexed_operand8): Likewise.
247 (cpu_get_indexed_operand_addr): Likewise.
248 (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
249 (cpu_reset): Setup INIT register according to architecture.
250
251 * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
252 (_sim_cpu): Keep track of the cpu being simulated.
253 (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
254 (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
255 (cpu_m68hc11_pop_uint8): Likewise.
256 (cpu_m68hc12_push_uintxx): New functions for 68HC12.
257 (cpu_m68hc12_pop_uintxx): Likewise.
258 (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
259 (cpu_fetch_relbranch16): Likewise.
260 (cpu_interp_m6811): Rename of cpu_interp.
261 (cpu_interp_m6812): New function.
262 * interp.c (free_state): New function.
263 (dev_list_68hc12): New table.
264 (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
265 (sim_hw_configure): New function.
266 (sim_prepare_for_program): New function.
267 (sim_open): Use above new functions.
268 (sim_close): Call free_state().
269 (sim_info): Print info according to cpu.
270 (sim_create_inferior): Use sim_prepare_for_program.
271 (sim_do_command): Configure the hardware after a change of the
272 architecture.
273
274 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
275
276 * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
277 pending interrupts.
278 * interrupts.c (interrupts_process): Keep track of the last number
279 of masked insn cycles.
280 (interrupts_initialize): Clear last number of masked insn cycles.
281 (interrupts_info): Report them.
282 (interrupts_update_pending): Compute clear and set masks of
283 interrupts and clear the interrupt bits before setting them
284 (due to SCI interrupt sharing).
285 * interrupts.h (struct interrupts): New members last_mask_cycles
286 and xirq_last_mask_cycles.
287
288 2000-11-26 Stephane Carrez <Stephane.Carrez@worldnet.fr>
289
290 * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
291 instead of a hard-coded value.
292 (m68hc11cpu_io_write_buffer): Likewise.
293 (dv_m68hc11_descriptor): Define a 68hc12 device.
294 * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
295 * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
296 * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
297 * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
298
299 2000-11-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
300
301 * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
302 (m68hc11cpu_delete): Delete handler to detach the address space.
303
304 2000-11-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
305
306 * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
307 * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
308 instead of free and malloc.
309
310 2000-09-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
311
312 * Makefile.in: Was missing from initial patch.
313
314 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
315
316 * interp.c (sim_store_register): Remove soft register hack.
317 (sim_fetch_register): Likewise.
318 (sim_create_inferior): Likewise.
319 * sim-main.h: Likewise.
320
321 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
322
323 * interrupts.c (interrupts_update_pending): Clear the mask of
324 pending interrupts here.
325 (interrupts_get_current): Don't clear the mask of pending interrupts.
326
327 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
328
329 * sim-main.h: Define cycle_to_string.
330 * dv-m68hc11tim.c (cycle_to_string): New function to translate
331 the cpu cycle into some formatted time string.
332 (m68hc11tim_print_timer): Use it.
333 * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
334 * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
335 * interrupts.c (interrupts_info): Likewise.
336 * m68hc11_sim.c (cpu_info): Likewise.
337
338 2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
339
340 * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
341 interrupt and compare events accurately. Take into account the
342 pending ticks not processed by the simulator yet (introduced a shift).
343 (m68hc11_port_event): Reset the timer interrupt delays.
344 (m68hc11tim_io_read_buffer): Be able to read several bytes.
345 (m68hc11tim_io_write_buffer): Likewise for write.
346 (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
347
348 2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
349
350 * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
351 (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
352 (m68hc11spi_info): Clarify the status report
353 of the SPI when a byte is being sent.
354 (m68hc11spi_clock): Fix the spi send frame.
355
356 2000-08-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
357
358 * sim-main.h (m68hc11_map_level): Define level of address mappings.
359 * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
360 whether the eeprom is currently mapped or not.
361 (m68hc11eepr_port_event): Use the flag to see if we must unmap
362 or map the eeprom. Update the flag to reflect the current state.
363 Use M6811_EEPROM_LEVEL when mapping the eeprom.
364 (m68hc11eepr_finish): Remove overlap hack.
365 (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
366 config and control registers.
367 * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
368 (attach_m68hc11_regs): Use M6811_IO_LEVEL.
369 (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
370 * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
371 (attach_m68hc11spi_regs): Likewise.
372 * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
373 (attach_m68hc11tim_regs): Likewise.
374 * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
375 (attach_m68hc11sio_regs): Likewise.
376 * interp.c (sim_open): Likewise.
377 * dv-nvram.c (attach_nvram_regs): Likewise.
378
379 Thu Jul 27 21:27:25 2000 Andrew Cagney <cagney@b1.cygnus.com>
380
381 * configure, config.in: Regenerate.
382
383 2000-06-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
384
385 * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
386 * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
387 (dv_m6811_detach_address_callback): New function to detach a
388 device from an address space.
389 * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
390 config register according to --cpu-config option.
391 * sim-main.h (_sim_cpu): Add cpu_config member.
392 * interp.c (sim_open): Delete specific simulator options.
393 * m68hc11_sim.c (cpu_option_handler): New options
394 --emulos and -cpu-config <val> to configure the simulator.
395 (cpu_initialize): Initialize cpu_config member.
396
397 2000-06-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
398
399 * emulos.c: Fix indentation and comments.
400 * gencode.c: Likewise.
401 * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
402 (m68hc11tim_io_write_buffer): Write compare registers and
403 setup compare event.
404 * interp.c: Remove unused global variables.
405 * interrupts.c (idefs): New compare interrupts.
406 Fix indentation and comments.
407 * interrupts.h: Likewise.
408
409 2000-06-18 Stephane Carrez <Stephane.Carrez@worldnet.fr>
410
411 * dv-m68hc11sio.c: Fix indentation and comments.
412 Remove INT_PORT.
413 * dv-m68hc11.c: Fix indentation and comments.
414 (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
415 * m68hc11_sim.c (cpu_reset): To here.
416 * dv-m68hc11eepr.c: Fix indentation and comments.
417
418 2000-06-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
419
420 * dv-nvram.c: New file, rename from dv-pram.c.
421 * dv-pram.c: Delete file.
422 * sim-main.h: Incorporate m68hc11_sim.h.
423 * m68hc11_sim.h: Delete file.
424 * configure.in: Rename pram into nvram.
425 * interp.c (sim_open): Likewise in creation of device tree.
426
427 2000-05-31 Stephane Carrez <Stephane.Carrez@worldnet.fr>
428
429 * interp.c (sim_open): Create the SPI device.
430 * dv-m68hc11spi.c: New file for SPI device simulation.
431 * configure.in (hw_extra_devices): Add SPI device.
432
433 2000-05-28 Stephane Carrez <Stephane.Carrez@worldnet.fr>
434
435 * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
436 (interrupts_process): Separate IRQ and XIRQ accounting.
437 (interrupts_info): Report XIRQ accounting.
438 * interrupts.h (struct interrupts): Added accounting for XIRQ.
439
440 2000-04-16 Stephane Carrez <stcarrez@worldnet.fr>
441
442 * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
443 * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
444 * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
445 configuration from the 'mode' device tree property.
446 (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
447 configuration.
448
449 2000-02-24 Stephane Carrez <stcarrez@worldnet.fr>
450
451 * sim-main.h: Remove WITH_TARGET_* defines.
452 * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
453
454 2000-02-08 Stephane Carrez <stcarrez@worldnet.fr>
455
456 * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
457 1200 baud when cpu is in bootstrap mode.
458
459 * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
460 write in the TCTN timer register.
461
462 * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
463 by 4 to obtain the E clock frequency.
464 (sccr2_desc): Use M6811_TIE for TIE bit.
465 (m68hc11sio_info): Fix baud rate report.
466
467 * dv-m68hc11tim.c (to_realtime): Likewise.
468
469 * interp.c (sim_open): When building device tree, only provide
470 devices that do not exist yet.
471
472 * emulos.c: Fix compilation pb under Windows.
473
474 * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
475 from the 'clock' property.
476
477 2000-01-02 Stephane Carrez <stcarrez@worldnet.fr>
478
479 * m68hc11_sim.h (*_REGNUM): Define.
480 (_sim_cpu): New member cpu_page0_reg table.
481 * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
482 addresses of soft registers in .page0.
483 (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
484 to get/set soft registers.
485
486 1999-12-31 Stephane Carrez <stcarrez@worldnet.fr>
487
488 * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
489 returning random values.
490
491 1999-12-17 Stephane Carrez <stcarrez@worldnet.fr>
492
493 * gencode.c: Fix "subb N,x" that used a instead of b.
494
495 1999-09-09 Stephane Carrez <stcarrez@worldnet.fr>
496
497 * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
498
499 1999-09-01 Stephane Carrez <stcarrez@worldnet.fr>
500
501 * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
502
503 1999-08-14 Stephane Carrez <stcarrez@worldnet.fr>
504
505 * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
506 register region in the m68hc11cpu struct.
507 (m68hc11cpu_io_write): When the IO mapping addres changes,
508 detach the register region and re-attach it at the new address.
509 (m68hc11cpu_io_read_buffer): Renamed base_address into
510 attach_address.
511 (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
512 to m68hc11cpu_io_write.
513
514 1999-08-13 Stephane Carrez <stcarrez@worldnet.fr>
515
516 * gencode.c: For sbc8, check the carry and increment the source
517 before trying to set the carry for the result.
518
519 1999-05-24 John S. Kallal <kallal@voicenet.com>
520
521 * interp.c (sim_get_info): Don't crash if the command line is 0.
522 Define prototype for sim_get_info() and init_system().
523 (sim_info): Correct call to sim_get_info().
524
525 1999-05-16 Stephane Carrez <stcarrez@worldnet.fr>
526
527 * configure.in: Recognize m6811-*-*.
528 * configure: Regenerate.
529 * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
530 cpu_ccr_update_sub8, cpu_ccr_update_sub16):
531 Correct the computation of carry of 8 and 16-bits add and subtract.
532 * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
533 overflow set in a different manner than add).
534
535 1999-05-14 Stephane Carrez <stcarrez@worldnet.fr>
536
537 * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
538 trace message.
539 * interp.c (sim_open, sim_create_inferior): Initialize the
540 cpu_elf_start from the ELF header.
541 * m68hc11_sim.c (cpu_initialize): Clear the new data members.
542 (cpu_restart): Use cpu_elf_start as the starting address when
543 the flag is set.
544 (cpu_special): When cpu_use_elf_start is set, the WAI instruction
545 exits the simulator (exit status is in D).
546 * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
547 cpu_elf_star to start execution at address specified in ELF file.
548
549 1999-05-02 Stephane Carrez <stcarrez@worldnet.fr>
550
551 * Makefile.in, config.in, configure, configure.in: New files.
552 * gencode.c: New file, generation of 68HC11 interpreter.
553 * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
554 for interpreter.
555 * interrupts.c, interrupts.h: New files, management of interrupts.
556 * interp.c, sim-main.h,
557 * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
558 dv-m68hc11tim.c, dv-pram.c: New files representing devices for
559 68HC11 (dv-pram.c is generic and could probably migrate to common).
560 * emulos.c: New file, basic emulation of some os.
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