1 2000-04-09 Alexandre Oliva <aoliva@cygnus.com>
3 * am33.igen: Make SP-relative offsets unsigned. Add `*am33' for
4 some instructions that were missing it.
6 2000-03-03 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8 * Makefile.in (IGEN_INSN): Added am33.igen.
10 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
12 * configure: Regenerated to track ../common/aclocal.m4 changes.
14 Tue Jul 13 13:26:20 1999 Andrew Cagney <cagney@b1.cygnus.com>
16 * interp.c: Clarify error message reporting an unknown board.
18 1999-05-08 Felix Lee <flee@cygnus.com>
20 * configure: Regenerated to track ../common/aclocal.m4 changes.
22 1999-04-16 Frank Ch. Eigler <fche@cygnus.com>
24 * interp.c (program_interrupt): Detect undesired recursion using
25 static flag. Set NMIRC register's SYSEF flag during
26 --board=stdeval1 mode.
27 * dv-mn103-int.c (write_icr): Add backdoor address to allow CPU to
30 1999-04-02 Keith Seitz <keiths@cygnus.com>
32 * Makefile.in (SIM_EXTRA_CFLAGS): Define a POLL_QUIT_INTERVAL
33 for use in the simulator so that the poll_quit callback is
36 Tue Mar 9 21:26:41 1999 Andrew Cagney <cagney@b1.cygnus.com>
38 * dv-mn103int.c (mn103int_ioctl): Return something.
39 * dv-mn103tim.c (write_tm6md): GCC suggested parentheses around &&
42 Tue Feb 16 23:57:17 1999 Jeffrey A Law (law@cygnus.com)
44 * mn10300.igen (retf): Fix return address computation and store
45 the new pc value into nia.
47 1998-12-29 Frank Ch. Eigler <fche@cygnus.com>
49 * Makefile.in (WITH_COMMON_OBJS): Build also dv-sockser.o.
50 * interp.c (sim_open): Add stub mn103002 cache control memory regions.
51 Set OPERATING_ENVIRONMENT on "stdeval1" board.
52 (mn10300_core_signal): New function to intercept memory errors.
53 (program_interrupt): New function to dispatch to exception vector
54 (mn10300_exception_*): New functions to snapshot pre/post exception
56 * sim-main.h (SIM_CORE_SIGNAL): Define hook - call mn10300_core_signal.
57 (SIM_ENGINE_HALT_HOOK): Do nothing.
58 (SIM_CPU_EXCEPTION*): Define hooks to call mn10300_cpu_exception*().
59 (_sim_cpu): Add exc_* fields to store register value snapshots.
60 * dv-mn103ser.c (*): Support dv-sockser backend for UART I/O.
61 Various endianness and warning fixes.
62 * mn10300.igen (illegal): Call program_interrupt on error.
63 (break): Call program_interrupt on breakpoint
65 Several changes from <janczyn@cygnus.com> and <cagney@cygnus.com>
67 * dv-mn103int.c (mn103int_ioctl): New function for NMI
68 generation. (mn103int_finish): Install it as ioctl handler.
69 * dv-mn103tim.c: Support timer 6 specially. Endianness fixes.
71 Wed Oct 14 12:11:05 1998 Jeffrey A Law (law@cygnus.com)
73 * am33.igen: Allow autoincrement stores using the same register
74 for source and destination operands.
76 Mon Aug 31 10:19:55 1998 Jeffrey A Law (law@cygnus.com)
78 * am33.igen: Reverse HI/LO outputs of 4 operand "mul" and "mulu".
80 Fri Aug 28 14:40:49 1998 Joyce Janczyn <janczyn@cygnus.com>
82 * interp.c (sim_open): Check for invalid --board option, fix
83 indentation, allocate memory for mem control and DMA regs.
85 Wed Aug 26 09:29:38 1998 Joyce Janczyn <janczyn@cygnus.com>
87 * mn10300.igen (div,divu): Fix divide instructions so divide by 0
88 behaves like the hardware.
90 Mon Aug 24 11:50:09 1998 Joyce Janczyn <janczyn@cygnus.com>
92 * sim-main.h (SIM_HANDLES_LMA): Define SIM_HANDLES_LMA.
94 Wed Aug 12 12:36:07 1998 Jeffrey A Law (law@cygnus.com)
96 * am33.igen: Handle case where first DSP operation modifies a
97 register used in the second DSP operation correctly.
99 Tue Jul 28 10:10:25 1998 Jeffrey A Law (law@cygnus.com)
101 * am33.igen: Detect cases where two operands must not match for
102 DSP instructions too.
104 Mon Jul 27 12:04:17 1998 Jeffrey A Law (law@cygnus.com)
106 * am33.igen: Detect cases where two operands must not match in
107 non-DSP instructions.
109 Fri Jul 24 18:15:21 1998 Joyce Janczyn <janczyn@cygnus.com>
111 * op_utils.c (do_syscall): Rewrite to use common/syscall.c.
112 (syscall_read_mem, syscall_write_mem): New functions for syscall
114 * mn10300_sim.h: Add prototypes for syscall_read_mem and
116 * mn10300.igen: Change C++ style comments to C style comments.
117 Check for divide by zero in div and divu ops.
119 Fri Jul 24 12:49:28 1998 Jeffrey A Law (law@cygnus.com)
121 * am33.igen (translate_xreg): New function. Use it as needed.
123 Thu Jul 23 10:05:28 1998 Jeffrey A Law (law@cygnus.com)
125 * am33.igen: Add some missing instructions.
127 * am33.igen: Autoincrement loads/store fixes.
129 Tue Jul 21 09:48:14 1998 Jeffrey A Law (law@cygnus.com)
131 * am33.igen: Add mov_lCC DSP instructions.
133 * am33.igen: Add most am33 DSP instructions.
135 Thu Jul 9 10:06:55 1998 Jeffrey A Law (law@cygnus.com)
137 * mn10300.igen: Fix Z bit for addc and subc instructions.
138 Minor fixes in multiply/divide patterns.
140 * am33.igen: Add missing mul[u] imm32,Rn. Fix condition code
141 handling for many instructions. Fix sign extension for some
144 * am33.igen: Fix Z bit for remaining addc/subc instructions.
145 Do not sign extend immediate for mov imm,XRn.
146 More random mul, mac & div fixes.
147 Remove some unused variables.
148 Sign extend 24bit displacement in memory addresses.
150 * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn. Various
151 fixes to 2 register multiply, divide and mac instructions. Set
152 Z,N correctly for sat16. Sign extend 24 bit immediate for add,
153 and sub instructions.
155 * am33.igen: Add remaining non-DSP instructions.
157 Wed Jul 8 16:29:12 1998 Jeffrey A Law (law@cygnus.com)
159 * am33.igen (translate_rreg): New function. Use it as appropriate.
161 * am33.igen: More am33 instructions. Fix "div".
163 Mon Jul 6 15:39:22 1998 Jeffrey A Law (law@cygnus.com)
165 * mn10300.igen: Add am33 support.
167 * Makefile.in: Use multi-sim to support both a mn10300 and am33
170 * am33.igen: Add many more am33 instructions.
172 Wed Jul 1 17:07:09 1998 Jeffrey A Law (law@cygnus.com)
174 * mn10300_sim.h (FETCH24): Define.
176 * mn10300_sim.h: Add defines for some registers found on the AM33.
177 * am33.igen: New file with some am33 support.
179 Tue Jun 30 11:23:20 1998 Jeffrey A Law (law@cygnus.com)
181 * mn10300_sim.h: Include bfd.h
182 (struct state): Add more room for processor specific registers.
185 Thu Jun 25 10:12:03 1998 Joyce Janczyn <janczyn@cygnus.com>
187 * dv-mn103tim.c: Include sim-assert.h
188 * dv-mn103ser.c (do_polling_event): Check for incoming data on
189 serial line and schedule next polling event.
190 (read_status_reg): schedule events to check for incoming data on
191 serial line and issue interrupt if necessary.
193 Fri Jun 19 16:47:27 1998 Joyce Janczyn <janczyn@cygnus.com>
195 * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).
197 Fri Jun 19 11:59:26 1998 Joyce Janczyn <janczyn@cygnus.com>
199 * interp.c (board): Rename am32 to stdeval1 as this is the name
200 consistently used to refer to the mn1030002 board.
202 Thu June 18 14:37:14 1998 Joyce Janczyn <janczyn@cygnus.com>
203 * interp.c (sim_open): Fix typo in address of EXTMD register
204 (0x34000280, not 0x3400280).
206 Wed Jun 17 18:00:18 1998 Jeffrey A Law (law@cygnus.com)
208 * simops.c (syscall): Handle change in opcode # for syscall.
209 * mn10300.igen (syscall): Likewise.
211 Tue June 16 09:36:21 1998 Joyce Janczyn <janczyn@cygnus.com>
212 * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
213 reset) are not enabled on reset.
215 Sun June 14 17:04:00 1998 Joyce Janczyn <janczyn@cygnus.com>
216 * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
218 * dv-mn103ser.c: Fill in methods for reading and writing to serial
220 * interp.c (sim_open): Make the serial device a polling device.
222 Fri June 12 16:24:00 1998 Joyce Janczyn <janczyn@cygnus.com>
223 * dv-mn103iop.c: New file for handling am32 io ports.
224 * configure.in: Add mn103iop to hw_device list.
225 * configure: Re-generate.
226 * interp.c (sim_open): Create io port device.
228 Wed June 10 14:34:00 1998 Joyce Janczyn <janczyn@cygnus.com>
229 * dv-mn103int.c (external_group): Use enumerated types to access
230 correct group addresses.
231 * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
232 triggers an interrupt on the higher-numbered timer's port.
234 Mon June 8 13:30:00 1998 Joyce Janczyn <janczyn@cygnus.com>
235 * interp.c: (mn10300_option_handler): New function parses arguments
237 * (board): Add --board option for specifying am32.
238 * (sim_open): Create new timer and serial devices and control
239 configuration of other am32 devices via board option.
240 * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
241 * dv-mn103cpu.c: Fix typos in opening comments.
242 * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
243 * configure.in: Add mn103tim and mn103ser to hw_device list.
244 * configure: Re-generate.
246 Mon May 25 20:50:35 1998 Andrew Cagney <cagney@b1.cygnus.com>
248 * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.
250 * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
251 sim-main.h. Declare a struct hw_descriptor instead of struct
252 hw_device_descriptor.
254 Mon May 25 17:33:33 1998 Andrew Cagney <cagney@b1.cygnus.com>
256 * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
259 Fri May 22 12:17:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
261 * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
263 Wed May 6 13:29:06 1998 Andrew Cagney <cagney@b1.cygnus.com>
265 * interp.c (sim_open): Create a polling PAL device.
267 Fri May 1 16:39:15 1998 Andrew Cagney <cagney@b1.cygnus.com>
269 * dv-mn103int.c (mn103int_port_event):
270 (mn103int_port_event):
271 (mn103int_io_read_buffer):
272 (mn103int_io_write_buffer):
274 * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
275 (mn103cpu_port_event): Ditto.
276 (mn103cpu_io_read_buffer): Ditto.
277 (mn103cpu_io_write_buffer): Ditto.
279 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
281 * configure: Regenerated to track ../common/aclocal.m4 changes.
283 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
285 * configure: Regenerated to track ../common/aclocal.m4 changes.
288 Sun Apr 26 15:19:55 1998 Tom Tromey <tromey@cygnus.com>
290 * acconfig.h: New file.
291 * configure.in: Reverted change of Apr 24; use sinclude again.
293 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
295 * configure: Regenerated to track ../common/aclocal.m4 changes.
298 Fri Apr 24 11:19:07 1998 Tom Tromey <tromey@cygnus.com>
300 * configure.in: Don't call sinclude.
302 Tue Apr 14 10:03:02 1998 Andrew Cagney <cagney@b1.cygnus.com>
304 * mn10300_sim.h: Declare all functions in op_utils.c using
307 * sim-main.c: New file. Include op_utils.c.
309 * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
310 differentiate between MOV/CMP immediate/register instructions.
312 * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
313 * configure: Regenerate.
315 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
317 * configure: Regenerated to track ../common/aclocal.m4 changes.
319 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
321 * interp.c (hw): Delete variable, moved to SIM_DESC.
322 (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
323 Handled by sim-module.
324 (sim_open): Do not anotate tree with trace properties, handled by
326 (sim_open): Call sim_hw_parse instead of hw_tree_parse.
328 * configure: Regenerated to track ../common/aclocal.m4 changes.
330 Thu Mar 26 20:46:18 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk>
332 * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Save the entire PC
333 on the stack when delivering interrupts (not just the lower
335 * mn10300.igen (mov (Di,Am),Dn): Fix decode. Registers were
336 specified in the wrong order.
338 Fri Mar 27 00:56:40 1998 Andrew Cagney <cagney@b1.cygnus.com>
340 * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
341 succeeding interrupts, clear pending_handler when the handler
344 Thu Mar 26 10:11:01 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk>
346 * Makefile.in (tmp-igen): Prefix all usage of move-if-change
347 script with $(SHELL) to make NT native builds happy.
348 * configure: Regenerate because of change to ../common/aclocal.m4.
350 Thu Mar 26 11:22:31 1998 Andrew Cagney <cagney@b1.cygnus.com>
352 * configure.in: Make --enable-sim-common the default.
353 * configure: Re-generate.
355 * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
356 address into Sate.regs[REG_PC] instead of common struct.
358 Wed Mar 25 17:42:00 1998 Joyce Janczyn <janczyn@cygnus.com>
360 * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
362 Wed Mar 25 12:08:00 1998 Joyce Janczyn <janczyn@cygnus.com>
364 * simops.c (OP_F0FD): Initialise variable 'sp'.
366 Thu Mar 26 00:21:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
368 * dv-mn103int.c (decode_group): A group register every 4 bytes not
370 (write_icr): Rewrite equation updating request field.
371 (read_iagr): Fix check that interrupt is still pending.
373 Wed Mar 25 16:14:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
375 * interp.c (sim_open): Tidy up device creation.
377 * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
379 (mn103int_io_read_buffer): Convert absolute address to register
381 (read_icr, write_icr): Convert block offset into group offset.
383 Wed Mar 25 15:08:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
385 * interp.c (sim_open): Create second 1mb memory region at
387 (sim_open): Create a device tree.
389 (do_interrupt): Delete, needs to use dv-mn103cpu.c
391 * dv-mn103int.c, dv-mn103cpu.c: New files.
393 Wed Mar 25 08:47:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
395 * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
399 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
401 * configure: Regenerated to track ../common/aclocal.m4 changes.
403 Wed Mar 25 10:24:48 1998 Andrew Cagney <cagney@b1.cygnus.com>
405 * interp.c (sim-options.h): Include.
406 (sim_kind, myname): Declare when not using common framework.
408 * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
409 functions found in op_utils.c
411 * mn10300.igen (add): Discard unused variables.
413 * configure, config.in: Re-generate with autoconf 2.12.1.
415 Tue Mar 24 15:27:00 1998 Joyce Janczyn <janczyn@cygnus.com>
417 Add support for --enable-sim-common option.
418 * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
419 ! --enable-sim-common
420 (WITH_COMMON_OBJS): Files included if --enable-sim-common.
421 (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
423 ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
424 (SIM_EXTRA_CFLAGS): New variable.
425 (clean-extra): Clean up igen files.
426 (../igen/igen,clean-igen,tmp-igen): New rules.
427 * configure.in: Add support for common framework via
429 * configure: Regenerate.
430 * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
431 (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
432 (init_system,sim_write,compare_simops): Likewise.
433 (sim_set_profile,sim_set_profile_size): Likewise.
434 (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
435 (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
436 (enum interrupt_type): New enum.
437 (interrupt_names): New global.
438 (do_interrupt): New function.
439 (sim_open): Define differently if WITH_COMMON.
440 (sim_close,sim_create_inferior,sim_do_command): Likewise.
441 * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
443 * mn10300.igen: New file.
444 * mn10300.dc: New file.
445 * op_utils.c: New file.
446 * sim-main.h: New file.
448 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
450 * configure: Regenerated to track ../common/aclocal.m4 changes.
452 Fri Feb 27 18:36:04 1998 Jeffrey A Law (law@cygnus.com)
454 * simops.c (inc): Fix typo.
456 Wed Feb 25 01:59:29 1998 Jeffrey A Law (law@cygnus.com)
458 * simops.c (signed multiply instructions): Cast input operands to
459 signed32 before casting them to signed64 so that the sign bit
460 is propagated properly.
462 Mon Feb 23 20:23:19 1998 Mark Alexander <marka@cygnus.com>
464 * Makefile.in: Last change was bad. Define NL_TARGET
465 so that targ-vals.h will be used instead of syscall.h.
466 * simops.c: Use targ-vals.h instead of syscall.h.
467 (OP_F020): Disable unsupported system calls.
469 Mon Feb 23 09:44:38 1998 Mark Alexander <marka@cygnus.com>
471 * Makefile.in: Get header files from libgloss/mn10300/sys.
473 Sun Feb 22 16:02:24 1998 Jeffrey A Law (law@cygnus.com)
475 * simops.c: Include sim-types.h.
477 Wed Feb 18 13:07:08 1998 Jeffrey A Law (law@cygnus.com)
479 * simops.c (multiply instructions): Cast input operands to a
480 signed64/unsigned64 type as appropriate.
482 Tue Feb 17 12:47:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
484 * interp.c (sim_store_register, sim_fetch_register): Pass in
485 length parameter. Return -1.
487 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
489 * configure: Regenerated to track ../common/aclocal.m4 changes.
491 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
493 * configure: Regenerated to track ../common/aclocal.m4 changes.
495 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
497 * configure: Regenerated to track ../common/aclocal.m4 changes.
499 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
501 * configure: Regenerated to track ../common/aclocal.m4 changes.
504 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
506 * configure: Regenerated to track ../common/aclocal.m4 changes.
508 Tue Nov 11 10:38:52 1997 Jeffrey A Law (law@cygnus.com)
510 * simops.c (call:16 call:32): Stack adjustment is determined solely
513 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
515 * interp.c (sim_load): Pass lma_p and sim_write args to
518 Tue Oct 21 10:12:03 1997 Jeffrey A Law (law@cygnus.com)
520 * simops.c: Correctly handle register restores for "ret" and "retf"
523 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
525 * configure: Regenerated to track ../common/aclocal.m4 changes.
527 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
529 * configure: Regenerated to track ../common/aclocal.m4 changes.
531 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
533 * configure: Regenerated to track ../common/aclocal.m4 changes.
535 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
537 * configure: Regenerated to track ../common/aclocal.m4 changes.
539 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
541 * configure: Regenerated to track ../common/aclocal.m4 changes.
543 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
545 * configure: Regenerated to track ../common/aclocal.m4 changes.
547 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
549 * configure: Regenerated to track ../common/aclocal.m4 changes.
551 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
553 * configure: Regenerated to track ../common/aclocal.m4 changes.
556 Tue Aug 26 10:41:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
558 * interp.c (sim_kill): Delete.
559 (sim_create_inferior): Add ABFD argument.
560 (sim_load): Move setting of PC from here.
561 (sim_create_inferior): To here.
563 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
565 * configure: Regenerated to track ../common/aclocal.m4 changes.
568 Mon Aug 25 16:14:44 1997 Andrew Cagney <cagney@b1.cygnus.com>
570 * interp.c (sim_open): Add ABFD argument.
572 Tue Jun 24 13:46:20 1997 Jeffrey A Law (law@cygnus.com)
574 * interp.c (sim_resume): Clear State.exited.
575 (sim_stop_reason): If State.exited is nonzero, then indicate that
576 the simulator exited instead of stopped.
577 * mn10300_sim.h (struct _state): Add exited field.
578 * simops.c (syscall): Set State.exited for SYS_exit.
580 Wed Jun 11 22:07:56 1997 Jeffrey A Law (law@cygnus.com)
582 * simops.c: Fix thinko in last change.
584 Tue Jun 10 12:31:32 1997 Jeffrey A Law (law@cygnus.com)
586 * simops.c: "call" stores the callee saved registers into the
587 stack! Update the stack pointer properly when done with
590 * simops.c: Fix return address computation for "call" instructions.
592 Thu May 22 01:43:11 1997 Jeffrey A Law (law@cygnus.com)
594 * interp.c (sim_open): Fix typo.
596 Wed May 21 23:27:58 1997 Jeffrey A Law (law@cygnus.com)
598 * interp.c (sim_resume): Add missing case in big switch
599 statement (for extb instruction).
601 Tue May 20 17:51:30 1997 Jeffrey A Law (law@cygnus.com)
603 * interp.c: Replace all references to load_mem and store_mem
604 with references to load_byte, load_half, load_3_byte, load_word
605 and store_byte, store_half, store_3_byte, store_word.
606 (INLINE): Delete definition.
607 (load_mem_big): Likewise.
608 (max_mem): Make it global.
609 (dispatch): Make this function inline.
610 (load_mem, store_mem): Delete functions.
611 * mn10300_sim.h (INLINE): Define.
612 (RLW): Delete unused definition.
613 (load_mem, store_mem): Delete declarations.
614 (load_mem_big): New definition.
615 (load_byte, load_half, load_3_byte, load_word): New functions.
616 (store_byte, store_half, store_3_byte, store_word): New functions.
617 * simops.c: Replace all references to load_mem and store_mem
618 with references to load_byte, load_half, load_3_byte, load_word
619 and store_byte, store_half, store_3_byte, store_word.
621 Tue May 20 10:21:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
623 * interp.c (sim_open): Add callback to arguments.
624 (sim_set_callbacks): Delete SIM_DESC argument.
626 Mon May 19 13:54:22 1997 Jeffrey A Law (law@cygnus.com)
628 * interp.c (dispatch): Make this an inline function.
630 * simops.c (syscall): Use callback->write regardless of
631 what file descriptor we're writing too.
633 Sun May 18 16:46:31 1997 Jeffrey A Law (law@cygnus.com)
635 * interp.c (load_mem_big): Remove function. It's now a macro
637 (compare_simops): New function.
638 (sim_open): Sort the Simops table before inserting entries
640 * mn10300_sim.h: Remove unused #defines.
641 (load_mem_big): Define.
643 Fri May 16 16:36:17 1997 Jeffrey A Law (law@cygnus.com)
645 * interp.c (load_mem): If we get a load from an out of range
647 (store_mem): Likewise for stores.
648 (max_mem): New variable.
650 Tue May 6 13:24:36 1997 Jeffrey A Law (law@cygnus.com)
652 * mn10300_sim.h: Fix ordering of bits in the PSW.
654 * interp.c: Improve hashing routine to avoid long list
655 traversals for common instructions. Add HASH_STAT support.
656 Rewrite opcode dispatch code using a big switch instead of
657 cascaded if/else statements. Avoid useless calls to load_mem.
659 Mon May 5 18:07:48 1997 Jeffrey A Law (law@cygnus.com)
661 * mn10300_sim.h (struct _state): Add space for mdrq register.
663 * simops.c: Don't abort for trap. Add support for the extended
664 instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
667 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
669 * configure: Regenerated to track ../common/aclocal.m4 changes.
671 Fri Apr 18 14:04:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
673 * interp.c (sim_stop): Add stub function.
675 Thu Apr 17 03:26:59 1997 Doug Evans <dje@canuck.cygnus.com>
677 * Makefile.in (SIM_OBJS): Add sim-load.o.
678 * interp.c (sim_kind, myname): New static locals.
679 (sim_open): Set sim_kind, myname. Ignore -E arg.
680 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
681 load file into simulator. Set start address from bfd.
682 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
684 Wed Apr 16 19:30:44 1997 Andrew Cagney <cagney@b1.cygnus.com>
686 * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
687 only include if implemented by host.
688 (OP_F020): Typecast arg passed to time function;
690 Mon Apr 7 23:57:49 1997 Jeffrey A Law (law@cygnus.com)
692 * simops.c (syscall): Handle new mn10300 calling conventions.
694 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
696 * configure: Regenerated to track ../common/aclocal.m4 changes.
699 Fri Apr 4 20:02:37 1997 Ian Lance Taylor <ian@cygnus.com>
701 * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
702 corresponding change in opcodes directory.
704 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
706 * interp.c (sim_open): New arg `kind'.
708 * configure: Regenerated to track ../common/aclocal.m4 changes.
710 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
712 * configure: Regenerated to track ../common/aclocal.m4 changes.
714 Thu Mar 20 11:58:02 1997 Jeffrey A Law (law@cygnus.com)
716 * simops.c: Fix register extraction for a two "movbu" variants.
717 Somewhat simplify "sub" instructions.
718 Correctly sign extend operands for "mul". Put the correct
719 half of the result in MDR for "mul" and "mulu".
720 Implement remaining instructions.
721 Tweak opcode for "syscall".
723 Tue Mar 18 14:21:21 1997 Jeffrey A Law (law@cygnus.com)
725 * simops.c: Do syscall emulation in "syscall" instruction. Add
726 dummy "trap" instruction.
728 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
730 * configure: Regenerated to track ../common/aclocal.m4 changes.
732 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
734 * configure: Re-generate.
736 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
738 * configure: Regenerate to track ../common/aclocal.m4 changes.
740 Thu Mar 13 12:54:45 1997 Doug Evans <dje@canuck.cygnus.com>
742 * interp.c (sim_open): New SIM_DESC result. Argument is now
744 (other sim_*): New SIM_DESC argument.
746 Wed Mar 12 15:04:00 1997 Jeffrey A Law (law@cygnus.com)
748 * simops.c: Fix carry bit computation for "add" instructions.
750 * simops.c: Fix typos in bset insns. Fix arguments to store_mem
751 for bset imm8,(d8,an) and bclr imm8,(d8,an).
753 Wed Mar 5 15:00:10 1997 Jeffrey A Law (law@cygnus.com)
755 * simops.c: Fix register references when computing Z and N bits
758 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
760 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
761 COMMON_{PRE,POST}_CONFIG_FRAG instead.
762 * configure.in: sinclude ../common/aclocal.m4.
763 * configure: Regenerated.
765 Fri Jan 24 10:47:25 1997 Jeffrey A Law (law@cygnus.com)
767 * interp.c (init_system): Allocate 2^19 bytes of space for the
770 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
772 * configure configure.in Makefile.in: Update to new configure
773 scheme which is more compatible with WinGDB builds.
774 * configure.in: Improve comment on how to run autoconf.
775 * configure: Re-run autoconf to get new ../common/aclocal.m4.
776 * Makefile.in: Use autoconf substitution to install common
779 Tue Jan 21 15:03:04 1997 Jeffrey A Law (law@cygnus.com)
781 * simops.c: Undo last change to "rol" and "ror", original code
784 Thu Jan 16 11:28:14 1997 Jeffrey A Law (law@cygnus.com)
786 * simops.c: Fix "rol" and "ror".
788 Wed Jan 15 06:45:58 1997 Jeffrey A Law (law@cygnus.com)
790 * simops.c: Fix typo in last change.
792 Mon Jan 13 13:22:35 1997 Jeffrey A Law (law@cygnus.com)
794 * simops.c: Use REG macros in few places not using them yet.
796 Mon Jan 6 16:21:19 1997 Jeffrey A Law (law@cygnus.com)
798 * mn10300_sim.h (struct _state): Fix number of registers!
800 Tue Dec 31 16:20:41 1996 Jeffrey A Law (law@cygnus.com)
802 * mn10300_sim.h (struct _state): Put all registers into a single
803 array to make gdb implementation easier.
804 (REG_*): Add definitions for all registers in the state array.
805 (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
806 * simops.c: Related changes.
808 Wed Dec 18 10:10:45 1996 Jeffrey A Law (law@cygnus.com)
810 * interp.c (sim_resume): Handle 0xff as a single byte insn.
812 * simops.c: Fix overflow computation for "add" and "inc"
815 Mon Dec 16 10:03:52 1996 Jeffrey A Law (law@cygnus.com)
817 * simops.c: Handle "break" instruction.
819 * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
821 Wed Dec 11 09:53:10 1996 Jeffrey A Law (law@cygnus.com)
823 * gencode.c (write_opcodes): Also write out the format of the
825 * mn10300_sim.h (simops): Add "format" field.
826 * interp.c (sim_resume): Deal with endianness issues here.
828 Tue Dec 10 15:05:37 1996 Jeffrey A Law (law@cygnus.com)
830 * simops.c (REG0_4): Define.
831 Use REG0_4 for indexed loads/stores.
833 Sat Dec 7 09:50:28 1996 Jeffrey A Law (law@cygnus.com)
835 * simops.c (REG0_16): Fix typo.
837 Fri Dec 6 14:13:34 1996 Jeffrey A Law (law@cygnus.com)
839 * simops.c: Call abort for any instruction that's not currently
842 * simops.c: Define accessor macros to extract register
843 values from instructions. Use them consistently.
845 * interp.c: Delete unused global variable "OP".
846 (sim_resume): Remove unused variable "opcode".
847 * simops.c: Fix some uninitialized variable problems, add
848 parens to fix various -Wall warnings.
850 * gencode.c (write_header): Add "insn" and "extension" arguments
851 to the OP_* declarations.
852 (write_template): Similarly for function templates.
853 * interp.c (insn, extension): Remove global variables. Instead
854 pass them as arguments to the OP_* functions.
855 * mn10300_sim.h: Remove decls for "insn" and "extension".
856 * simops.c (OP_*): Accept "insn" and "extension" as arguments
857 instead of using globals.
859 Thu Dec 5 22:26:31 1996 Jeffrey A Law (law@cygnus.com)
861 * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
863 * simops.c: Fix thinkos in last change to "inc dn".
865 Wed Dec 4 10:57:53 1996 Jeffrey A Law (law@cygnus.com)
867 * simops.c: "add imm,sp" does not effect the condition codes.
868 "inc dn" does effect the condition codes.
870 Tue Dec 3 17:37:45 1996 Jeffrey A Law (law@cygnus.com)
872 * simops.c: Treat both operands as signed values for
875 * simops.c: Fix simulation of division instructions.
876 Fix typos/thinkos in several "cmp" and "sub" instructions.
878 Mon Dec 2 12:31:40 1996 Jeffrey A Law (law@cygnus.com)
880 * simops.c: Fix carry bit handling in "sub" and "cmp"
883 * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
885 Sun Dec 1 16:05:42 1996 Jeffrey A Law (law@cygnus.com)
887 * simops.c: Fix overflow computation for many instructions.
889 * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
891 * simops.c: Fix "mov am, dn".
893 * simops.c: Fix more bugs in "add imm,an" and
896 Wed Nov 27 09:20:42 1996 Jeffrey A Law (law@cygnus.com)
898 * simops.c: Fix bugs in "movm" and "add imm,an".
900 * simops.c: Don't lose the upper 24 bits of the return
901 pointer in "call" and "calls" instructions. Rough cut
902 at emulated system calls.
904 * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
906 * simops.c: Implement remaining 4 byte instructions.
908 * simops.c: Implement remaining 3 byte instructions.
910 * simops.c: Implement remaining 2 byte instructions. Call
911 abort for instructions we're not implementing now.
913 Tue Nov 26 15:43:41 1996 Jeffrey A Law (law@cygnus.com)
915 * simops.c: Implement lots of random instructions.
917 * simops.c: Implement "movm" and "bCC" insns.
919 * mn10300_sim.h (_state): Add another register (MDR).
921 * simops.c: Implement "cmp", "calls", "rets", "jmp" and
922 a few additional random insns.
924 * mn10300_sim.h (PSW_*): Define for CC status tracking.
925 (REG_D0, REG_A0, REG_SP): Define.
926 * simops.c: Implement "add", "addc" and a few other random
929 * gencode.c, interp.c: Snapshot current simulator code.
931 Mon Nov 25 12:46:38 1996 Jeffrey A Law (law@cygnus.com)
933 * Makefile.in, config.in, configure, configure.in: New files.
934 * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.