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* i386-linux-tdep.c (find_minsym_and_objfile): Replace usage of
[thirdparty/binutils-gdb.git] / sim / m68hc11 / ChangeLog
CommitLineData
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12003-02-27 Andrew Cagney <cagney@redhat.com>
2
3 * interp.c (sim_prepare_for_program, sim_open)
4 (sim_create_inferior): Rename _bfd to bfd.
5
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62002-08-13 Stephane Carrez <stcarrez@nerim.fr>
7
8 * dv-m68hc11eepr.c (struct m68hc11eepr ): Use const char* for filename.
9
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102002-08-13 Marko Kohtala <marko.kohtala@luukku.com>
11
12 * interp.c (sim_prepare_for_program): Look up the image for the
13 reset vector and set cpu_use_elf_start to 1 if not found.
14 (sim_open): Do not set cpu_use_elf_start.
15
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162002-08-13 Marko Kohtala <marko.kohtala@luukku.com>
17
18 * interp.c (sim_hw_configure): Return 1 for success.
19 (sim_prepare_for_program): Use the sim_hw_configure exit code to
20 return SIM_RC_FAIL.
21
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222002-08-13 Stephane Carrez <stcarrez@nerim.fr>
23
24 * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory
25 bank window to some virtual address to read from extended memory.
26 (m68hc11cpu_io_write_buffer): Likewise for writing.
ca156d78 27 (attach_m68hc11_regs): When use_bank property is defined, attach
7230d809 28 to the 68HC12 16K memory bank window.
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29 * interp.c (sim_hw_configure): Create memory region for banked
30 memory.
31
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322002-08-13 Stephane Carrez <Stephane.Carrez@nerim.fr>
33
34 * interp.c (sim_hw_configure): Connect port-X to cpu-write-port.
35 * dv-m68hc11.c (m68hc11cpu_ports): Add cpu-write-port input.
36 (m68hc11cpu_port_event): Handle CPU_WRITE_PORT event.
37
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382002-08-13 Marko Kohtala <marko.kohtala@luukku.com>
39
40 * dv-m68hc11.c (m68hc11cpu_io_write): Fix to update IO mapping
41 when IO mapping changed, not when internal RAM mapping is changed.
42
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432002-08-13 Stephane Carrez <stcarrez@nerim.fr>
44
45 * m68hc11_sim.c (cpu_special): Handle call and rtc instructions.
46 * sim-main.h (M6812_CALL_INDIRECT): Add to enum.
47 (m6811_regs): Add page register.
48 (cpu_set_page, cpu_get_page): New macros.
49 (phys_to_virt): New function.
50 (cpu_get_indexed_operand_addr, cpu_return): Declare.
51 * gencode.c: Identify indirect addressing mode for call and fix daa.
52 (gen_function_entry): New param to tell if src8/dst8 locals are
53 necessary.
54 (gen_interpreter): Use it to avoid generation of unused variables.
55 * interp.c (sim_fetch_register): Allow to read page register; page
56 register, A, B and CCR are only 1 byte wide.
57 (sim_store_register): Likewise for writing.
58
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592002-06-16 Andrew Cagney <ac131313@redhat.com>
60
61 * configure: Regenerated to track ../common/aclocal.m4 changes.
62
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632002-06-09 Andrew Cagney <cagney@redhat.com>
64
65 * Makefile.in (INCLUDE): Update path to callback.h.
66 * sim-main.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
67
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682002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
69
70 * m68hc11_sim.c (cpu_move8): Call sim_engine_abort in default case.
71 (cpu_move16): Likewise.
72 (sim_memory_error): Use sim_io_printf.
73 (cpu_option_handler): Fix compilation warning.
74 * interp.c (sim_hw_configure): Fix compilation warning;
75 remove m68hc12sio@2 device.
76 (sim_open): Likewise.
77 * dv-m68hc11tim.c (m68hc11tim_port_event): Fix clear of TFLG2
78 flags when reset.
79 (cycle_to_string): Improve convertion of cpu cycle number.
80 (m68hc11tim_info): Print info about PACNT.
81 (m68hc11tim_io_write_buffer): Fix clearing of TFLG2; handle
82 TCTL1 and TCTL2 registers.
83 * dv-m68hc11.c (m68hc11_info): Print 6811 current running mode.
84
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852002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
86
87 * interp.c (sim_hw_configure): Save the HW cpu pointer in the
88 cpu struct.
89 (sim_hw_configure): Connect the capture input/output events.
90 * sim-main.h (_sim_cpu): New member hw_cpu.
91 (m68hc11cpu_set_oscillator): Declare.
92 (m68hc11cpu_clear_oscillator): Declare.
93 (m68hc11cpu_set_port): Declare.
94 * dv-m68hc11.c (m68hc11_options): New for oscillator commands.
95 (m68hc11cpu_ports): New input ports and output ports to reflect
96 the HC11 IOs.
97 (m68hc11_delete): Cleanup any running oscillator.
98 (attach_m68hc11_regs): Create the input oscillators.
99 (make_oscillator): New function.
100 (find_oscillator): New function.
101 (oscillator_handler): New function.
102 (reset_oscillators): New function.
103 (m68hc11cpu_port_event): Handle the new input ports.
104 (m68hc11cpu_set_oscillator): New function.
105 (m68hc11cpu_clear_oscillator): New function.
106 (get_frequency): New function.
107 (m68hc11_option_handler): New function.
108 (m68hc11cpu_set_port): New function.
109 (m68hc11cpu_io_write): Post the port output events.
110 * dv-m68hc11spi.c (set_bit_port): Use m68hc11cpu_set_port to set
111 the output port value.
112 * dv-m68hc11tim.c (m68hc11tim_port_event): Handle CAPTURE event
113 by latching the TCNT value in the register.
114
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1152002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
116
117 * sim-main.h (cpu_frame, cpu_frame_list): Remove.
118 (cpu_frame_reg, cpu_print_frame): Remove.
119 (cpu_m68hc11_push_uint8, cpu_m68hc11_pop_uint8): Cleanup.
120 (cpu_m68hc11_push_uint16, cpu_m68hc11_pop_uint16): Likewise.
121 (cpu_m68hc12_push_uint8, cpu_m68hc12_push_uint16): Likewise.
122 (cpu_m68hc12_pop_uint8, cpu_m68hc12_pop_uint16): Likewise.
123 * m68hc11_sim.c (cpu_find_frame): Remove.
124 (cpu_create_frame_list): Remove.
125 (cpu_remove_frame_list, cpu_create_frame, cpu_free_frame): Remove.
126 (cpu_frame_reg, cpu_print_frame, cpu_update_frame): Remove.
127 (cpu_call): Cleanup to remove #if HAVE_FRAME and calls to the above.
128 (cpu_update_frame): Likewise.
129 (cpu_return): Likewise.
130 (cpu_reset): Likewise.
131 (cpu_initialize): Likewise.
132 * interp.c (sim_do_command): Remove call to cpu_print_frame.
133
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1342002-03-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
135
136 * interrupts.c (interrupts_reset): New function, setup interrupt
137 vector address according to cpu mode.
138 (interrupts_initialize): Move reset portion to the above.
139 (interrupt_names): New table to give a name to interrupts.
140 (idefs): Handle pulse accumulator interrupts.
141 (interrupts_info): Print the interrupt history.
142 (interrupt_option_handler): New function.
143 (interrupt_options): New table of options.
144 (interrupts_update_pending): Keep track of when interrupts are
145 raised and implement breakpoint-on-raise-interrupt.
146 (interrupts_process): Keep track of when interrupts are taken
147 and implement breakpoint-on-interrupt.
148 * interrupts.h (struct interrupt_history): Define.
149 (struct interrupt): Keep track of the interrupt history.
150 (interrupts_reset): Declare.
151 (interrupts_initialize): Update prototype.
152 * m68hc11_sim.c (cpu_reset): Reset interrupts.
153 (cpu_initialize): Cleanup.
154
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1552001-07-28 Stephane Carrez <Stephane.Carrez@worldnet.fr>
156
157 * dv-m68hc11eepr.c (m68hc11eepr_info): Fix print of current write
158 address.
159 (m68hc11eepr_port_event): Fix detach/attach logic.
160
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1612001-07-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
162
163 * Makefile.in (SIM_OBJS): Remove sim-resume.o
164 * interp.c (sim_resume): New function from sim-resume.c, install
165 the stepping event after having processed the pending ticks.
166 (has_stepped): Likewise.
167 (sim_info): Produce an output only if verbose or STATE_VERBOSE_P.
168
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1692001-07-10 Andrew Cagney <ac131313@redhat.com>
170
171 * Makefile.in (gencode): Provide explicit path to gencode.c.
172
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1732001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
174
175 * Makefile.in (M68HC11_OBJS): Add m68hc12int.o.
176 (m68hc12int.c): Generate using gencode -m6812.
177 (m68hc11int.c): Likewise with -m6811.
178
179 * gencode.c (m6811_opcode_patterns): New patterns for 68HC12.
180 (m6811_page1_opcodes): Remove duplicate entries.
181 (m6811_page2_opcodes): Likewise.
182 (m6811_page3_opcodes): Likewise.
183 (m6811_page4_opcodes): Likewise.
184 (m6812_page1_opcodes): New table for 68HC12 instructions.
185 (m6812_page2_opcodes): Likewise.
186 (gen_fetch_operands): New modes [] and &[] for 68HC12 operands.
187 (gen_save_result): Likewise.
188 (gen_interpreter_for_table): Handle 68HC11 and 68HC12 opcodes.
189 (cmp_opcode): New function for opcode comparision.
190 (prepare_table): Sort the opcodes.
191 (gen_interpreter): Prepare all the tables and generate either
192 a 68HC11 or a 68HC12 simulator.
193 (main): New options -m6811 and -m6812.
194
195 * m68hc11_sim.c (cpu_single_step): Use pointer to cpu interpretor.
196 (cpu_special): Simulation of some 68HC12 instructions.
197 (cpu_exg): New function.
198 (cpu_dbcc): Likewise.
199 (cpu_fetch_relbranch16): Likewise.
200 (cpu_push_all): Push according to 68HC11 or 68HC12.
201 (cpu_move16): Likewise.
202 (cpu_move8): Likewise.
203 (cpu_get_indexed_operand16): Likewise.
204 (cpu_get_indexed_operand8): Likewise.
205 (cpu_get_indexed_operand_addr): Likewise.
206 (cpu_set_reg, cpu_set_dst_reg, cpu_get_src_reg, cpu_get_reg): Likewise.
207 (cpu_reset): Setup INIT register according to architecture.
208
209 * sim-main.h (M6811_Special): Add 68HC12 specific instructions.
210 (_sim_cpu): Keep track of the cpu being simulated.
211 (cpu_get_tmp3, cpu_get_tmp2, cpu_set_tmp3, cpu_set_tmp2): New.
212 (cpu_m68hc11_push_uintxx): Rename of cpu_push_uintxx.
213 (cpu_m68hc11_pop_uint8): Likewise.
214 (cpu_m68hc12_push_uintxx): New functions for 68HC12.
215 (cpu_m68hc12_pop_uintxx): Likewise.
216 (cpu_exg, cpu_dbcc, cpu_move8, cpu_move16): Likewise,
217 (cpu_fetch_relbranch16): Likewise.
218 (cpu_interp_m6811): Rename of cpu_interp.
219 (cpu_interp_m6812): New function.
220 * interp.c (free_state): New function.
221 (dev_list_68hc12): New table.
222 (sim_board_reset): Reset depending on the cpu (HC11 or HC12).
223 (sim_hw_configure): New function.
224 (sim_prepare_for_program): New function.
225 (sim_open): Use above new functions.
226 (sim_close): Call free_state().
227 (sim_info): Print info according to cpu.
228 (sim_create_inferior): Use sim_prepare_for_program.
229 (sim_do_command): Configure the hardware after a change of the
230 architecture.
231
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2322001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
233
234 * dv-m68hc11sio.c (m68hc11sio_tx_poll): Always check for
235 pending interrupts.
236 * interrupts.c (interrupts_process): Keep track of the last number
237 of masked insn cycles.
238 (interrupts_initialize): Clear last number of masked insn cycles.
239 (interrupts_info): Report them.
240 (interrupts_update_pending): Compute clear and set masks of
241 interrupts and clear the interrupt bits before setting them
242 (due to SCI interrupt sharing).
243 * interrupts.h (struct interrupts): New members last_mask_cycles
244 and xirq_last_mask_cycles.
245
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2462000-11-26 Stephane Carrez <Stephane.Carrez@worldnet.fr>
247
248 * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
249 instead of a hard-coded value.
250 (m68hc11cpu_io_write_buffer): Likewise.
251 (dv_m68hc11_descriptor): Define a 68hc12 device.
252 * dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
253 * dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
254 * dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
255 * dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
256
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2572000-11-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
258
259 * dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.
260 (m68hc11cpu_delete): Delete handler to detach the address space.
261
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2622000-11-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
263
264 * dv-m68hc11eepr.c (attach_m68hc11eepr_regs): Use hw_malloc.
265 * dv-nvram.c (attach_nvram_regs): Use hw_free and hw_malloc
266 instead of free and malloc.
267
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2682000-09-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
269
270 * Makefile.in: Was missing from initial patch.
271
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2722000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
273
274 * interp.c (sim_store_register): Remove soft register hack.
275 (sim_fetch_register): Likewise.
276 (sim_create_inferior): Likewise.
277 * sim-main.h: Likewise.
278
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2792000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
280
281 * interrupts.c (interrupts_update_pending): Clear the mask of
282 pending interrupts here.
283 (interrupts_get_current): Don't clear the mask of pending interrupts.
284
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2852000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
286
287 * sim-main.h: Define cycle_to_string.
288 * dv-m68hc11tim.c (cycle_to_string): New function to translate
289 the cpu cycle into some formatted time string.
290 (m68hc11tim_print_timer): Use it.
291 * dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
292 * dv-m68hc11spi.c (m68hc11spi_info): Likewise.
293 * interrupts.c (interrupts_info): Likewise.
294 * m68hc11_sim.c (cpu_info): Likewise.
295
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2962000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
297
298 * dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
299 interrupt and compare events accurately. Take into account the
300 pending ticks not processed by the simulator yet (introduced a shift).
301 (m68hc11_port_event): Reset the timer interrupt delays.
302 (m68hc11tim_io_read_buffer): Be able to read several bytes.
303 (m68hc11tim_io_write_buffer): Likewise for write.
304 (m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
305
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3062000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
307
308 * dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
309 (m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
310 (m68hc11spi_info): Clarify the status report
311 of the SPI when a byte is being sent.
312 (m68hc11spi_clock): Fix the spi send frame.
313
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3142000-08-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
315
316 * sim-main.h (m68hc11_map_level): Define level of address mappings.
317 * dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
318 whether the eeprom is currently mapped or not.
319 (m68hc11eepr_port_event): Use the flag to see if we must unmap
320 or map the eeprom. Update the flag to reflect the current state.
321 Use M6811_EEPROM_LEVEL when mapping the eeprom.
322 (m68hc11eepr_finish): Remove overlap hack.
323 (attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
324 config and control registers.
325 * dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
326 (attach_m68hc11_regs): Use M6811_IO_LEVEL.
327 (m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
328 * dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
329 (attach_m68hc11spi_regs): Likewise.
330 * dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
331 (attach_m68hc11tim_regs): Likewise.
332 * dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
333 (attach_m68hc11sio_regs): Likewise.
334 * interp.c (sim_open): Likewise.
335 * dv-nvram.c (attach_nvram_regs): Likewise.
336
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337Thu Jul 27 21:27:25 2000 Andrew Cagney <cagney@b1.cygnus.com>
338
339 * configure, config.in: Regenerate.
340
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3412000-06-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
342
343 * Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
344 * dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
345 (dv_m6811_detach_address_callback): New function to detach a
346 device from an address space.
347 * dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
348 config register according to --cpu-config option.
349 * sim-main.h (_sim_cpu): Add cpu_config member.
350 * interp.c (sim_open): Delete specific simulator options.
351 * m68hc11_sim.c (cpu_option_handler): New options
352 --emulos and -cpu-config <val> to configure the simulator.
353 (cpu_initialize): Initialize cpu_config member.
354
3552000-06-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
356
357 * emulos.c: Fix indentation and comments.
358 * gencode.c: Likewise.
359 * dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
360 (m68hc11tim_io_write_buffer): Write compare registers and
361 setup compare event.
362 * interp.c: Remove unused global variables.
363 * interrupts.c (idefs): New compare interrupts.
364 Fix indentation and comments.
365 * interrupts.h: Likewise.
366
3672000-06-18 Stephane Carrez <Stephane.Carrez@worldnet.fr>
368
369 * dv-m68hc11sio.c: Fix indentation and comments.
370 Remove INT_PORT.
371 * dv-m68hc11.c: Fix indentation and comments.
372 (m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
373 * m68hc11_sim.c (cpu_reset): To here.
374 * dv-m68hc11eepr.c: Fix indentation and comments.
375
3762000-06-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
377
378 * dv-nvram.c: New file, rename from dv-pram.c.
379 * dv-pram.c: Delete file.
380 * sim-main.h: Incorporate m68hc11_sim.h.
381 * m68hc11_sim.h: Delete file.
382 * configure.in: Rename pram into nvram.
383 * interp.c (sim_open): Likewise in creation of device tree.
384
3852000-05-31 Stephane Carrez <Stephane.Carrez@worldnet.fr>
386
387 * interp.c (sim_open): Create the SPI device.
388 * dv-m68hc11spi.c: New file for SPI device simulation.
389 * configure.in (hw_extra_devices): Add SPI device.
390
3912000-05-28 Stephane Carrez <Stephane.Carrez@worldnet.fr>
392
393 * interrupts.c (interrupts_initialize): Clear XIRQ accounting.
394 (interrupts_process): Separate IRQ and XIRQ accounting.
395 (interrupts_info): Report XIRQ accounting.
396 * interrupts.h (struct interrupts): Added accounting for XIRQ.
397
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399
400 * dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
401 * m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
402 * dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
403 configuration from the 'mode' device tree property.
404 (m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
405 configuration.
406
4072000-02-24 Stephane Carrez <stcarrez@worldnet.fr>
408
409 * sim-main.h: Remove WITH_TARGET_* defines.
410 * Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
411
4122000-02-08 Stephane Carrez <stcarrez@worldnet.fr>
413
414 * dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
415 1200 baud when cpu is in bootstrap mode.
416
417 * dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
418 write in the TCTN timer register.
419
420 * dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
421 by 4 to obtain the E clock frequency.
422 (sccr2_desc): Use M6811_TIE for TIE bit.
423 (m68hc11sio_info): Fix baud rate report.
424
425 * dv-m68hc11tim.c (to_realtime): Likewise.
426
427 * interp.c (sim_open): When building device tree, only provide
428 devices that do not exist yet.
429
430 * emulos.c: Fix compilation pb under Windows.
431
432 * dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
433 from the 'clock' property.
434
4352000-01-02 Stephane Carrez <stcarrez@worldnet.fr>
436
437 * m68hc11_sim.h (*_REGNUM): Define.
438 (_sim_cpu): New member cpu_page0_reg table.
439 * interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
440 addresses of soft registers in .page0.
441 (sim_fetch_register, sim_store_register): Use cpu_page0_reg table
442 to get/set soft registers.
443
4441999-12-31 Stephane Carrez <stcarrez@worldnet.fr>
445
446 * dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
447 returning random values.
448
4491999-12-17 Stephane Carrez <stcarrez@worldnet.fr>
450
451 * gencode.c: Fix "subb N,x" that used a instead of b.
452
4531999-09-09 Stephane Carrez <stcarrez@worldnet.fr>
454
455 * gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
456
4571999-09-01 Stephane Carrez <stcarrez@worldnet.fr>
458
459 * sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
460
4611999-08-14 Stephane Carrez <stcarrez@worldnet.fr>
462
463 * dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
464 register region in the m68hc11cpu struct.
465 (m68hc11cpu_io_write): When the IO mapping addres changes,
466 detach the register region and re-attach it at the new address.
467 (m68hc11cpu_io_read_buffer): Renamed base_address into
468 attach_address.
469 (m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
470 to m68hc11cpu_io_write.
471
4721999-08-13 Stephane Carrez <stcarrez@worldnet.fr>
473
474 * gencode.c: For sbc8, check the carry and increment the source
475 before trying to set the carry for the result.
476
4771999-05-24 John S. Kallal <kallal@voicenet.com>
478
479 * interp.c (sim_get_info): Don't crash if the command line is 0.
480 Define prototype for sim_get_info() and init_system().
481 (sim_info): Correct call to sim_get_info().
482
4831999-05-16 Stephane Carrez <stcarrez@worldnet.fr>
484
485 * configure.in: Recognize m6811-*-*.
486 * configure: Regenerate.
487 * m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
488 cpu_ccr_update_sub8, cpu_ccr_update_sub16):
489 Correct the computation of carry of 8 and 16-bits add and subtract.
490 * gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
491 overflow set in a different manner than add).
492
4931999-05-14 Stephane Carrez <stcarrez@worldnet.fr>
494
495 * dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
496 trace message.
497 * interp.c (sim_open, sim_create_inferior): Initialize the
498 cpu_elf_start from the ELF header.
499 * m68hc11_sim.c (cpu_initialize): Clear the new data members.
500 (cpu_restart): Use cpu_elf_start as the starting address when
501 the flag is set.
502 (cpu_special): When cpu_use_elf_start is set, the WAI instruction
503 exits the simulator (exit status is in D).
504 * m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
505 cpu_elf_star to start execution at address specified in ELF file.
506
5071999-05-02 Stephane Carrez <stcarrez@worldnet.fr>
508
509 * Makefile.in, config.in, configure, configure.in: New files.
510 * gencode.c: New file, generation of 68HC11 interpreter.
511 * m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
512 for interpreter.
513 * interrupts.c, interrupts.h: New files, management of interrupts.
514 * interp.c, sim-main.h,
515 * dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
516 dv-m68hc11tim.c, dv-pram.c: New files representing devices for
517 68HC11 (dv-pram.c is generic and could probably migrate to common).
518 * emulos.c: New file, basic emulation of some os.