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