1 Wed Nov 20 00:36:55 1996 Doug Evans <dje@canuck.cygnus.com>
3 * sim_calls.c (sim_resume): Reset sim_should_run if single stepping.
5 Fri Nov 15 15:23:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
7 * pk_disklabel.c (pk_disklabel_create_instance): Fix up some
8 warnings generated by GCC.
10 Fri Nov 1 14:42:57 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12 * mon.c (_cpu_mon): Add fields for counting 1, 2, 4, and 8 byte
14 (mon_{read,write}): Count 1, 2, 4, and 8 byte reads/writes.
15 (mon_print_info): Correct typo regarding # of unaligned reads and
16 writes. Print out how many 1, 2, 4, and 8 byte reads/writes there
19 Tue Oct 29 17:55:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
21 * configure.in (AC_CHECK_FUNCS): Add access.
22 * config{.in,ure}: Regenerate.
24 * emul_unix.c (do_unix_nop): System call that always succeeds.
25 (do_unix_access): Support access system call.
26 (solaris_descriptors): Make sigaltstack and sigaction nops.
27 ({solaris,linux}_descriptors): Add support for access.
29 Fri Oct 18 12:12:21 1996 Michael Meissner <meissner@tiktok.cygnus.com>
31 * ppc-instructions (Floating Select): Add support for fsel unless
32 model is 601. Allow user to filter out instruction unless -Fs is
34 (Store Floating-Point as Integer Word Indexed): Raise optional
35 instruction program abort. Allow user to filter out instruction
36 unless -Fs is passed to igen.
37 (Floating Square Root{, Single}): Ditto.
38 (Floating Reciprocal Estimate Single): Ditto.
39 (Floating Reciprocal Square Root Estimate): Ditto.
41 * configure.in (--enable-sim-filter): If not passed, pass 32,f,s
43 * configure: Regenerate.
45 * interrupts.h (program_interrupt_reasons): Add
46 optional_instruction_program_interrupt.
48 * interrupts.c (program_interrupt): Call error with more detailed
49 information on program interrupts, particularly in user mode. Add
50 support for optional_instruction_program_interrupt.
52 Thu Oct 3 16:15:20 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
54 * Makefile.in (clean): Move config.log to distclean.
56 Thu Sep 19 14:40:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
58 * debug.h: Add disklabel-package and disk-device trace options.
59 debug.h (PTRACE): Add macro to simplify tracing in packages.
61 Thu Sep 19 14:40:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
63 * device.c (device_create_instance_from): Tighten up loop
64 searching for device instances.
65 (device_instance_delete): Ditto.
66 (device_instance_delete): Only leaf instances need to be removed
67 from a devices list of active instances.
69 Thu Sep 19 14:40:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
71 * hw_disk.c: Add the cdrom as an alias.
73 * pk_disklabel.c (disklabel_delete): Implement, remembering to
74 delete the raw disk instance while we're at it.
76 * pk_disklabel.c (pk_disklabel_create_instance): Implement a
77 little bit more - still a long way to go.
79 * pk_disklabel.c (disklabel_write, disklabel_read): Remember the
80 new head position after a read or write.
82 Thu Sep 19 13:05:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
84 * emul_chirp.c (chirp_emul_read): Allow reads to be longer then
87 Thu Sep 19 13:05:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
89 * emul_chirp.c (chirp_read_t2h_args): Call memset-0 with the args
92 * emul_chirp.c (chirp_emul_call_method): Correct computation for
93 the address of the first stack argument passed in from the client
96 Wed Sep 18 19:33:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
98 * words.h: Add new types signed_cell and unsigned_cell which
99 correspond to the signed and unsigned IEEE 1275 memory locations.
100 * device.h, device.c, emul_chirp.c: Where refering to an IEEE 1275
101 memory cell, replace uses of unsigned32 with unsigned_cell.
102 * device_table.h: Ditto.
104 * sim-endian.h: Add new macros H2BE_cell and BE2H_cell which
105 convert cell sized values to from big endian.
106 * device.c, emul_chirp.c: Where refering to IEEE 1275 memory cells
107 use these new macros.
109 Tue Sep 17 15:57:44 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
111 * device.c (device_tree_add_parsed): Detect and report an
112 interrupt being attached to an invalid device. Was dumping core.
114 Mon Sep 16 23:09:12 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
116 * device.h, device.c (device_address_to_attach_address,
117 device_size_to_attach_size): New functions. Convert a devices
118 unit address or unit size structure into a form suitable for
119 passing on to the attach and detach functions.
120 * device_table.h: Add extra methods to device table.
122 * device.h, device.c (device_find_reg_property): New function.
123 For a reg type property, return the selected address + size
124 tupple, along with a positive success status. Add a reg_property
125 to the list of property types.
126 * (device_tree_add_parsed): Make array properties with the name
127 reg or alternate-reg of type reg_property.
129 * hw_memory.c (hw_memory_init_address): Rewrite to use new
130 find_reg_property method.
131 * hw_nvram.c (hw_nvram_init_address): Ditto.
133 * device.c (device_tree_print_device): Add code to print out a reg
136 * device_table.c (generic_device_address_to_attach_address,
137 generic_device_size_to_attach_size ): New functions. Generic
138 functions for converting between unit and attach address or size.
140 * device_table.c (generic_device_init_address): Rewrite to use the
141 new find_reg and address convert functions. Look for both reg and
142 alternate-reg properties.
144 Mon Sep 16 23:09:12 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
146 * hw_com.c: New file. A '550 serial device that can quickly be
148 * configure.in (enable-sim-hardware): Add the com device.
149 * configure: re-generate.
151 Thu Sep 12 17:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
153 * device.c (device_tree_verify_reg_unit_address): New
154 function. Check that the unit address as specified by the reg
155 property correctly corresponds to any unit address previously
156 specified by the devices name.
157 (device_tree_add_parsed): When adding a reg property, verify
158 that the unit-address - first value of property - correctly
159 matches any previous value specified when creating the device
162 Thu Sep 12 17:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
164 * mon.c (mon_event): Remove assertion that an unsigned is >= 0.
166 Fri Aug 16 12:05:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
168 * device.c (device_full_name): Cast strdup to char *, since AIX
169 3.2.5 mistakenly declares the function to be const char *.
170 (device_create_from): Ditto.
171 (device_create_instance_from): Ditto.
172 (device_add_property): Ditto.
174 Tue Aug 13 11:40:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
176 * debug.c (trace_option): For -t all, do not set the
177 trace_dump_device_tree flag, so that the simulator is run.
179 Tue Aug 13 11:40:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
181 * Makefile.in (options.o): Depend on defines.h.
182 (defines.h): New rule, go through config.h and make strings of all
183 of the #define HAVE_xxx macros.
184 (distclean): Remove defines.h.
186 * options.c (print_options): Print whether many of the
187 configuration macros are defined.
189 * main.c (main): If -t options and no filename, just print the
190 options, and don't print the usage message.
192 Mon Aug 12 18:42:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
194 * configure.in: Test whether /dev/zero works on the system, and if
195 it does, define HAVE_DEVZERO.
196 * configure: Regenerate.
198 * emul_generic.c (emul_add_tree_hardware): Do not add /iobus/disk
199 if we don't have a working /dev/zero on the system.
201 * emul_bugapi.c (emul_bugapi_init): If HAVE_DEVZERO is not
202 defined, don't add disk support.
203 (emul_bugapi_do_diskio): Ditto.
204 (emul_bugapi_instruction_call): Ditto.
206 Wed Aug 7 14:34:20 1996 Michael Meissner <meissner@tiktok.cygnus.com>
208 * emul_unix.c (HAVE_TCGETATTR): If HAVE_TERMIOS_STRUCTURE is not
209 defined, make sure HAVE_TCGETATTR is #undef'ed
211 Wed Aug 7 14:34:20 1996 Michael Meissner <meissner@tiktok.cygnus.com>
213 * std-config.h (REGPARM): Only define REGPARM attributes if using
214 GNU C. Test for __i686__ in case GCC ever defines it. If not on
215 a x86 platform, define REGPARM as nothing.
217 * sim-endian.h (WITH_HOST_BYTE_ORDER): Test for i686 and __i686__
220 Wed Aug 7 20:19:55 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
222 * ld-decode.h, ld-decode.c: Rename goto_gen to the more correct
224 * gen-idecode.c: Ditto.
226 * gen-idecode.c (print_idecode_table): Comment out check for
227 switch/table combination until a bug with it is fixed.
229 * ppc-opcode-goto: New file. Like complex and flat but uses
230 goto-switch instead of padded-switch for the tables.
232 * gen-idecode.c (print_goto_switch_name): New function.
233 (print_goto_switch_table_leaf): New function.
234 (print_goto_switch_break): New function.
235 (print_goto_switch_table): New function. Prints a jump table
236 that can be jumped into instead of a switch statement.
238 * gen-idecode.c (*switch_*): As an option output a switch that is
239 implemented using a jump table but only if the switch is not
242 Tue Aug 6 09:28:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
244 * configure.in (--enable-sim-{hardware,packages}): Fix typos.
245 * configure: Regenerate.
247 * device.c (device_instance_call_method): Fixup format message in
248 error case. Return 0 in case of error to shut up compiler
251 Wed Aug 7 00:17:37 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
253 * device_table.c (generic_device_unit_decode): Require a comma
254 between elements of a unit address.
256 * device.c (device_tree_print_device): For reg, alternate-reg and
257 ranges properties use special print functions.
258 (device_print_ranges_property): Print formatted ranges property.
259 (device_print_reg_property): Print formatted reg property.
261 Tue Aug 6 21:35:18 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
263 * device.c (device_tree_add_parsed): For reg, ranges and
264 alternate-reg properties use a special parser.
265 (device_tree_parse_reg_property): New function to parse a reg
267 (device_tree_parse_ranges_property): New function to parse a
269 (device_encode_unit): Wrapper for encode_unit callback.
270 (device_decoce_unit): Wrapper for decode_unit callback.
272 Wed Jul 31 00:02:30 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
274 * device_table.h (device_instance_callbacks): Relace the claim and
275 release methods with a more general table mapping from method-name
278 * device.c (device_instance_call_method): New function. Implement
279 the OpenBoot call-method client interface. Attempts to locate the
280 instances method in the callback table.
281 (device_instance_claim, device_instance_release): Delete.
282 Replaced with call-method and a lookup table.
284 * emul_chirp.c (chirp_emul_call_method): Use the new device
285 instance call method and let that handle a client claim call.
287 * hw_htab.c (claim_memory): Wrapper function to call the memory
288 devices "claim" method using the new device-instance call-method
289 interface. Replaces the previous direct calls to claim.
290 (htab_map_region): Use claim_memory.
291 (htab_init_data_callback): Ditto.
293 * hw_memory.c (hw_memory_instance_claim): Update function
294 interface so that it is compatible with call-method.
295 (hw_memory_instance_release): Ditto.
296 (hw_memory_instance_methods): New table of memory specific
297 methods claim and release. Add to the hw_memory_callback
300 Tue Jul 30 21:26:14 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
302 * psim.c (psim_init): Back out of change to initial value of
305 Tue Jul 30 21:12:24 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
307 * sim_callbacks.h (sim_io_printf_filtered): Replace
308 printf_filtered with a local simulator specific version. Add
309 #define printf_filtered to simplify updating of existing code.
311 * sim_callbacks.h (sim_io_write_stdout, sim_io_read_stdin,
312 sim_io_write_stderr): New functions. Read / write to the
313 simulations stdin and stdout and stderr interfaces. Merge in code
314 from hw_pal that previously handled async I/O.
315 (sim_io_flush_stdoutput): Rename flush_stdoutput. Add #define
316 flush_stdoutput to simplify updating of existing code.
318 * hw_pal.c (scan_hw_pal, write_hw_pal,
319 hw_pal_instance_write_callback): Use the new sim_io functions.
321 * main.c: Implement standalone versions of the new sim_io
322 functions. Include support for async I/O.
323 * sim_calls.c: Ditto. This time using the gdb callback table.
325 * std-config.h (CURRENT_STDIO, current_stdio): New macro. Set up
326 stdio configuration so that it works in the same way as the rest
328 * psim.c (psim_create): Initialize current_stdio from the device
330 * emul_generic.c (emul_add_tree_options): Enter a default value
331 for use-stdio in the device tree.
333 Fri Jul 26 19:43:03 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
335 * gen-idecode.c (print_jump): Was always generating a jump back to
336 idecode. Only necessary at tail of semantic code.
337 (print_jump): Was always setting the processor's cia, even during
338 startup when the processor was still undefined.
339 (print_jump): For safety, restart smp loop when cpu_nr >= nr_cpus,
342 * options.c (print_options): Add printing of WITH_REGPARM and
345 * std-config.h (WITH_REGPARM, WITH_STDCALL): Provide default
346 (disabled) values if not defined.
348 Fri Jul 26 00:36:35 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
350 * ppc-cache-rules (cache): Change RS and RB to cache instead of
351 compute. The block move instructions use them.
353 * idecode_expression.h (FPSCR_SET): New macro, set specific FPSCR
355 (CR_FIELD): New macro, extract specific CR register.
356 (FPSCR_FIELD): New macro, extract specific FPSCR register.
358 * registers.h (GPR): New macro, simplify accesses to GPR[i].
360 * bits.c (INSERTED): Covert INSERTED macro into a function.
361 (EXTRACTED): Conditionally compile on correct bit size macro.
363 * bits.h (BIT8): New macro, set a single bit in an 8 bit byte.
365 * ppc-instructions: With hints from Paul Martin, type in missing
366 some instruction semantics. Leave disabled for the moment.
367 (Load Multiple Word): Ditto.
368 (Store Multiple Word): Ditto.
369 (Load String Word Immediate): Ditto.
370 (Load String Word Indexed): Ditto.
371 (Store String Word Immedate): Ditto.
372 (Store String Word Indexed): Ditto.
373 (Move to Condition Register from XER): Ditto.
374 (Move From Condition Register): Ditto.
375 (Move From FPSCR): Ditto.
376 (Move to Condition Register from FPSCR): Ditto.
377 (Move To FPSCR Field Immediate): Ditto.
378 (Move To FPSCR Fields): Ditto.
379 (Move To FPSCR Bit 0): Ditto.
380 (Move To FPSCR Bit 1): Ditto.
382 Thu Jul 25 22:10:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
384 * std-config.h (SEMANTICS_INLINE): By default, mask out the
385 inlining of semantic functions from DEFAULT_INLINE. Almost all
386 configurations call the semantic code via a pointer so there is
389 * std-config.h (ICACHE_INLINE): Ditto.
391 Thu Jul 25 20:07:30 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
393 * configure.in (sim_regparm): Add configuration option for
394 enabling GCC's regparm attribute.
395 * (sim_stdcall): Add configuration option for enabling GCC's
398 * Makefile.in (REGPARM_CFLAGS): Pass regparam configuration onto
400 * (STDCALL_CFLAGS): Pass stdcall configuration onto compilations.
402 * std-config.h (REGPARM): Extend construction of REGPARM macro so
403 that it can include __stdcall__ function attribute.
405 Wed Jul 24 19:04:20 1996 Andrew Cagney <cagney@sawnoff>
407 * options.c (print_options): Include SUPPORT_INLINE in information
410 * gen-idecode.c (print_run_until_stop_body): Only generate loop
411 termination test if creating idecode_run_until_stop. Push the
412 loop termination test back into each alternative branch.
414 Wed Jul 24 15:47:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
416 * gen-icache.c (print_icache_function): Have the cache function
417 always update the cache_entries semantic and address fields.
419 * gen-idecode.c (print_idecode_switch_illegal): Include a break
420 when generating illegal instructions. This was commented out
421 which is a hangover from looking a at switch statements generated
422 using indirect jumps.
424 Tue Jul 23 20:57:01 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
426 * igen.c (print_my_defines): Replaces print_define_my_index.
427 Print both a definition for MY_INDEX and MY_PREFIX.
428 * gen-icache.c (print_icache_function): Adjust.
429 * gen-idecode.c (print_jump_insn): Adjust.
430 * gen-semantics.c (print_c_semantic): Adjust.
432 * gen-support.c (gen_support_h): Add optional include to created
433 support.h so that, like cpu, it is optionally inlined for all
434 modules that include it.
435 * inline.h, inline.c: Adjust so that support.[hc] is handled the
438 * idecode_fields.h (LABEL, GOTO): Macro's that create a unique
439 name for a lable and then branch to it.
441 * ppc-instructions (convert_to_integer, Floating Round to
442 Single-Precision, Floating Convert from Integer Doubleword): Use
443 LABEL and GOTO instead of the recently added switch statements.
445 Wed Jul 24 14:02:42 1996 Andrew Cagney <cagney@sawnoff.highland.com.au>
447 * gen-idecode.c (print_run_until_stop_body): Too many rparen in
450 Tue Jul 23 20:57:01 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
452 * configure.in (--enable-sim-line-nr): Typo - sim_line-nr.
453 * (--enable-sim-inline): Reorder patern matching of arguments so
454 that SUPPORT=ALL_INLINE is reconized as *=* and not *_INLINE.
456 * configure: rebuild.
458 Mon Jul 22 23:25:08 1996 Andrew Cagney <cagney@highland.com.au>
460 * configure.in (--enable-sim-hardware, --enable-sim-packages): New
461 configuration options. Let the user specify the packages or
462 hardware devices that are to be included in the build. Makes it
463 possible for user packages to be specified.
465 * Makefile.in (tmp-pk, tmp-hw): Just use the list of packages and
466 hardware instead of checking it using ls. configure.in should
467 have taken care of any problems.
468 (HW_SRC, HW_OBJ, PACKAGE_SRC, PACKAGE_OBJ): Set by configure.
470 Mon Jul 22 22:38:59 1996 Andrew Cagney <cagney@highland.com.au>
472 * psim.c (psim_options): Enter the argument to the memory size
473 option directly into the device tree. Was using atol() which is
474 dangerously non portable.
476 Mon Jul 22 22:17:08 1996 Andrew Cagney <cagney@highland.com.au>
478 * configure.in (icache): Extend icache flag to include an insn
479 option. If specifyed the insn - aka instruction - is included in
480 the instruction cache. Make this the default.
481 * configure: re-generate.
483 * igen.c (main), igen.h: Add option -S - inSn - for specifying
484 that the instruction should be included in the icache.
486 * gen-icache.c (print_icache_body): If enabled, output code to put
487 the instruction into the icache.
488 (print_icache_struct): If enabled, add insn to the icache struct.
490 Mon Jul 22 20:46:12 1996 Andrew Cagney <cagney@highland.com.au>
492 * Makefile.in (BUILD_CFLAGS): Include -g when building the
495 Mon Jul 22 20:00:25 1996 Andrew Cagney <cagney@highland.com.au>
497 * emul_generic.c (emul_add_tree_options): Was incorrectly setting
498 the strict-alignment option when hardwired for non-strict
501 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
503 * gen-semantics.c: Make the my_index variable a macro MY_INDEX.
505 * ppc-instructions: Adjust so that references are to MY_INDEX and
508 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
510 * gen-idecode.c: Output the complete run_until_stop function
511 instead of just the code to handle a single instruction issue.
512 * : Have the generated idecode.c include inline.c (instead of psim.c).
514 * std-config.h: Change psim.c so that it isn't inlined (as this is
517 * psim.c (run_until_stop): Delete the old run_until_stop function
518 instead calling the idecode_run and idecode_run_until_stop
519 functions that gen-idecode.c is now creating.
521 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
523 * dgen.c: Maintenance - update to use new features found in lf.c.
525 * filter_filename.c (filter_filename): Maintenance - make the
528 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
530 * debug.c (TRACE, ITRACE, DTRACE): Have GCC instead of CPP
531 eliminate trace statements.
533 * debug.c: Change trace format so that it is consistent
534 (file:line-nr) with CC's error output.
536 * gen-itable.c (itable_c_insn): Add the source file name and
537 source line number to the instruction's informational entry.
539 * debug.c (ITRACE): Use the itable (and my_index) to get the
540 current instructions name and source line number.
542 * gen-semantics.c, gen-icache.c: Adjust generated ITRACE calls to
545 * emul_bugapi.c (emul_bugapi_instruction_call): Adjust
546 corresponding call to ITRACE so that it still matches.
548 * idecode_expression.h (ALU_END, CR0_COMPARE): Use TRACE instead
549 of ITRACE. The CPP line directives would have previously set the
550 line-nr and file name so ITRACE isn't needed.
552 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
554 * gen-idecode.c (print_jump_until_stop_body): New function and
555 idecode generation option. Instead of generating and calling
556 separate functions containing the semantic and icache code
557 generate a single monolythic function and use goto's (and GCC's
558 indirect jump) to move between code blocks.
560 * Makefile.in: Add sim_jump flag to those passed to igen.
562 * configure.in: New option --enable-sim-jump (default disabled)
564 * ppc-instructions: Eliminate any uses of labels and goto's.
565 These result in duplicate declarations when a single flat function
568 * ppc-opcode-jump: New file. Set of opcode rules useful when
569 testing jumping idecodes.
571 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
573 * gen-idecode.c: Optionally include the semantic code for an
574 instruction in the function that is doing the decoding.
576 * igen.c: Add option (-C) to generate semantics in the instruction
579 * configure.in (--enable-sim-icache): Accept an option list such
580 as 1024,define. Add a new choice to the list - semantic - which
581 will cause igen to generate instruction decode functions that
582 include the corresponding semantic code.
584 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
586 * configure.in: New option --enable-sim-line-nr (default enabled).
587 Enable/disable the inclusion of CPP line directives in the
588 generated files. Such directives refer back to the source files
589 used when generating the simulator code.
591 * Makefile.in (sim_line_nr): Pass to igen.
593 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
595 * igen.c (main): Revamp the options so that more letters are
598 * configure.in: Adjust to match igen's revamped options
600 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
602 * Makefile.in (pk.h, hw.h): Rewrite depenencies for hw.h (etc) so
603 that they use the same technique as igen (ie a dummy targets
604 tmp-pk and tmp-hw are created).
606 Mon Jun 24 22:28:00 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
608 * Makefile.in (BUILD_CFLAGS): Include WARNING_CFLAGS.
610 Wed Jun 19 21:45:28 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
612 * ld-cache.[hc], ld-decode.[hc], ld-insn.[hc]: New files. Separate
613 out the loading of each of the tables from the rest of igen.
614 * Makefile.in: Adjust.
617 * gen-icache.[hc], gen-idecode.[hc], gen-itable.[hc],
618 gen-model.[hc], gen-semantics.[hc]: New files. Separate out the
619 code creating each separate set of generated files.
620 * Makefile.in: Adjust.
623 * gen-support.[ch]: New files. Output the support functions (found
624 in the ppc-instructions file) into a separate file.
626 * inline.h, inline.c: Add.
629 * ld-cache.c: Re-design the cache table format.
630 * ppc-cache-rules: Update to new format.
632 * ld-decode.c: Re-design the decode table format.
633 * ppc-opcode-simple: Update to new format
634 * ppc-opcode-complex: Ditto
635 * ppc-opcode-flat: Ditto
637 * filter.h, filter.c: New files. Separate the opcode filter table
638 reading code from the rest of igen.c. Re-design the filter so that
639 it works inclusivly not exclusivly.
640 * igen.c: Remove the opcode filter table loading code.
641 * Makefile.in (filter.o): Adjust
642 * configure.in: Adjust filter flag so that default includes 32bit
644 * ppc-instructions: Clean up filter fields so that only in use
645 entries are specifed (ie delete `be').
647 * misc.c (name2i, i2name): New function. Map between a string and
650 Mon Jun 17 20:08:03 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
652 * sim_calls.c (sim_close): If simulator not created, skip printing
655 Mon Jun 17 20:08:03 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
657 * registers.c (register_description): Typo, insns not insn.
659 * ppc-instructions (model_get_number_of_stalls): New model function,
660 returns number of stalls for the specified processor.
661 * psim.c (psim_read_register): Add call to new function
662 model_get_number_of_stalls().
664 * ppc-instructions (model_get_number_of_cycles): New model function,
665 returns number of stalls for the specified processor.
666 * psim.c (psim_read_register): Add call to new function
667 model_get_number_of_cycles().
669 Fri Jun 14 00:11:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
671 * device_table.h: Don't pass the parent device into a devices
672 create function. This makes the create function consistent with
674 * device.c (device_template_create_device): Ditto
675 * hw_pal.c (hw_pal_create): Ditto
676 * hw_core.c (hw_core_create): Ditto
677 * hw_vm.c (hw_vm_create): Ditto
678 * hw_disk.c (hw_disk_create): Ditto
679 * hw_nvram.c (hw_nvram_create): Ditto
680 * hw_memory.c (hw_memory_create): Ditto
681 * hw_cpu.c (hw_cpu_create): Ditto.
683 * device.c (split_find_device): Allow a null initial parent device.
684 (device_template_create_device): Ditto.
686 * device.c (device_create_from): Make local (static) only used
688 * device_table.h: typedef device_callbacks moved here (from
689 device.h) where it belongs.
691 * hw_core.c: New file. Implements just the core device using the
694 * corefile.c: Moved all core device functions into the new
695 hw_core.c file. core_device_create() disapears.
697 * psim.c (psim_tree): Use device_tree_add_parsed() to create the
700 Thu Jun 13 00:09:29 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
702 * hw_init.c: Correct typo in comment.
704 * corefile.c (core_init): Remove any remaining references to a
706 (core_map_find_mapping): Ditto.
708 Wed Jun 12 22:30:32 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
710 * corefile.c (core_init): Make function global so that other
711 devices are able to use the full core object.
713 * corefile.c (core_create, core_from_device): Break core_create
714 into two functions. The first creates a core object, the second
715 returns the core object associated with a core device.
717 * corefile.c (core_device_create): Use core_create to make the
720 * psim.c (psim_create): Use core_from_device() instead of
723 * device.c (device_template_create_device): Make static as only
724 needed by functions internal to device.c.
726 Fri Jun 7 23:47:18 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
728 * ppc-opcode-test-2: Remove description of fields.
729 * ppc-opcode-complex: Ditto
730 * ppc-opcode-flat: Ditto
731 * ppc-opcode-simple: Ditto
732 * ppc-opcode-stupid: Ditto
733 * ppc-opcode-test-1: Ditto
734 * ppc-cache-rules: Ditto
736 * igen.c: Add description of files as a comment at the front.
738 Wed Jun 26 12:50:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
740 * configure.in: Check for whether the termios and termio
741 structures are really defined, and whether or not, they define the
743 * configure: Regenerate.
745 * Makefile.in ({,TERMIO_}CFLAGS): Add TERMIO_CFLAGS options set by
748 * emul_unix.c: Various changes to allow for building on systems
749 with different termio and termios structures. If host has both
750 termio and termios, just use termios. No longer include
753 Wed Jun 26 12:26:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
755 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
756 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
758 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
759 (AC_PROG_INSTALL): Added.
760 * configure: Rebuilt.
762 Wed Jun 5 23:53:42 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
764 * corefile.h: Rewrite documentation so that it can be extracted and
765 converted into texinfo (and hence ready for translation into html,
769 Thu Jun 6 09:52:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
771 * hw_disk.c (SEEK_SET): If SEEK_SET is not defined, define as 0.
773 Wed Jun 5 11:46:52 1996 Andrew Cagney <cagney@puddin>
775 * hw_disk.c: Include <unistd.h> if available. Under SunOS, that
776 is the source of SEEK_SET.
778 Wed Jun 5 01:39:07 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
780 * psim.c (psim_options): Correct type of dummy arguments being
781 passed to a device_ioctl call.
783 * hw_init.c (hw_data_init_data_callback): Adjust printf arguments.
784 (write_stack_arguments): Ditto.
785 * hw_trace.c: Instance callback entry no longer a table.
787 Wed Jun 5 01:39:07 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
789 * emul_unix.c (do_unix_umask): Cast printf argument.
790 (convert_to_linux_termios): Use LINUX_VSWTC not LINUX_VSWCH
792 Mon Jun 3 15:02:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
794 * hw_init.c (update_for_binary_section): Abort if we find an
795 .interp section, which indicates the need for shared libraries to
798 Mon Jun 3 15:02:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
800 * emul_unix.c (do_unix_{time,gettimeofday,getrusage}): Add support
801 for time, gettimeofday, and getrusage system calls.
802 ({solaris,linux}_descriptors): Add new system calls.
803 (do_get{,e}{uid,gid}): Use gid_t/uid_t types.
804 (do_get{,p}pid): Use pic_t types.
806 * configure.in (AC_TYPE_{GETGROUPS,SIGNAL}): Define.
807 (AC_TYPE_{MODE,OFF,PID,SIZE,UID}_T): Define.
808 * config{.in,ure}: Regenerate.
810 Mon Jun 3 23:19:57 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
812 * emul_netbsd.c (emul_netbsd_create): Use the more specific names
813 `ppc-elf' and `ppc-xcoff' for the stack-type.
814 * emul_unix.c (emul_unix_create): Ditto.
815 * emul_bugapi.c (emul_bugapi_create): Ditto.
816 * hw_init.c: Reconize the new names.
818 * emul_unix.c (do_unix_break): Adjust so that the updated ioctl
819 call is used (no system parameter).
821 Sun Jun 2 11:21:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
823 * emul_unix.{h,c}: New files to provide Solaris and Linux system
826 * Makefile.in (LIB_{SRC,OBJ}): Add emul_unix.{c,o}.
827 (os_emul.o): Depend on emul_unix.h.
828 (emul_unix.o): New dependency.
830 * configure.in (--enable-sim-alignment): Add 0|default to mean set
831 alignment to 0, which means use appropriate alignment for mode.
832 (AC_CHECK_FUNCS): Add new functions needed by emul_unix.c.
833 (AC_CHECK_HEADERS): Add new include files needed by emul_unix.c.
834 * config.in: Regenerate.
835 * configure: Regenerate.
837 * emul_generic.c (emul_write2_status): New function to return
838 results in r3 and r4 for Solaris system calls.
839 (emul_do_system_call): If the system call is not support, but
840 there is a string for the system call name, print out the string
841 instead of the system call number.
843 * emul_generic.h (emul_write2_status): Declare it.
845 * emul_netbsd.c: Use /* */ around comment on #endif.
847 * os_emul.c: Include emul_unix.h.
848 (os_emulations): Add emulations for Solaris, and Linux.
850 * psim.c (psim_usage): Add message about solaris, linux
853 Thu May 30 00:00:10 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
855 * hw_iobus.c: Tidy up notes so that they can be auto-extracted.
857 * README: Correct PSIM's title
859 Wed May 29 23:50:26 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
861 * basics.h: New global type object_disposition, used to indicate
862 the status of objects when things are restarted.
864 Fri May 17 17:28:52 1996 Andrew Cagney <cagney@benjimen.highland.com.au>
866 * device_table.h: Change the interrupt descriptor structure so
867 that it includes an additional member - an upper bound on the
868 interrupts by that name.
870 * device.c (device_interrupt_decode): Allow a range of interrupt
871 ports (eg rst0 .. rst6) if the port descriptors bound is non zero.
873 * device.c (device_tree_print_device): Include a list of valid
874 interrupt ports when listing supported devices.
876 * device.h, device.c (device_child_interrupt_*): Delete. Not used.
878 * emul_generic.c (emul_add_tree_hardware): Modify the creation of
879 the interrupt net so that it uses int0 .. intN.
881 Tue May 14 23:03:53 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
883 * device.h, device.c (device_ioctl): Drop the system argument.
884 Devices can not obtain this using the device_system() call.
885 * device_table.h: Adjust accordingly.
886 * hw_*.c: Adjust accordingly.
887 * emul_netbsd.c (do_break): Adjust call to vm device accordingly.
888 * psim.c (psim_options): Use a device_ioctl call to force the
889 hw_trace device to update the trace options.
890 * hw_trace.c: Replace the init function with an ioctl call. Adjust
893 * psim.c (psim_init): Re-order initialization so that the
894 os-emulation is initialized after the device tree. Without this,
895 os-emul's are not able to create instances or access properties
896 that contain an instance handle.
898 * device.h, device.c (device_add_*_property): Make these functions
899 internal to device.c. The user has access to the more generic
900 device_tree_add_parsed function. Differentiate between the initial
901 and current value for each property.
902 * (clean_device_properties): New function that deletes any
903 properties created after the start of a simulation and restores
904 the initial value of any others (ignoring ihandles).
905 * (init_device_properties): (Re)Initialize any properties that
906 contain ihandles. create
908 * (device_tree_init): Include calls to clean the device tree's
909 properties and then initialize them. Document this in the device.h
912 Mon May 6 17:36:15 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
914 * interrupts.c (decrementer_interrupt): Always pend a decrementer
915 interrupt even if it is not yet possible to deliver it.
917 Wed May 1 12:26:51 1996 Andrew Cagney <cagney@benjimen>
919 * mon.h, mon.c (mon_get_number_of_insns): Make this externally
920 visable adjusting the arguments so that the interface is correct.
921 (mon_print_info): Adjust calls.
923 * registers.h, registers.c (register_description): Add phony
924 cycle, insn and stall registers.
926 * psim.c (psim_read_register): Return nr of instructions for given
929 Tue Apr 30 22:09:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
931 * hw_htab.c: New file. Extract contents from disk_table.c.
932 Contains a device that, during initialization will create a
933 PowerPC htab in memory.
934 * hw_register.c: New file. Extract contents from disk_table.c.
935 Contains a device that, during initialization, will parse its
936 property list and use that to initialize various processor
937 registers (not target specific).
938 * hw_vm.c: New file. Extract contents from disk_table.c. Contains
939 a device that handles accesses to invalid virtual memory addresses
941 * hw_init.c: New file. Extract contents from disk_table.c. Misc
942 devices that can initialize memory from a file.
943 * hw_trace.c: New file. Extract contents from disk_table.c.
944 Configure trace options from property values.
946 * Makefile.in (hw_htab.o, hw_register.o, hw_vm.o, hw_init.o,
947 hw_trace.c): Add new device files.
949 * device_table.c: Remove above code, now in separate independant
952 Fri Apr 26 00:00:07 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
954 * hw_disk.c: New file. Disk and CDROM device.
956 * Makefile.in (hw_disk.o): Add device hw_disk.c.
958 * pk_disklabel.c: New file. Implement the miss-named disk-label
961 * Makefile.in (pk.h): Create the file pk.h that contains a list of all
964 * Makefile.in (hw.h, hw.c): Add dependancy on Makefile so that
965 they are re-created when the makefile is updated.
967 * emul_generic.c (emul_add_tree_hardware): Add a disk device
968 (below the iobus) to the device tree. Include an ihandle of
969 the disk as /chosen/disk.
971 * emul_bugapi.c (emul_bugapi_create): Don't initialize the input,
972 output and (new) disk handles yet.
973 * (emul_bugapi_init): Initialize the input, output (and just added)
975 * (emul_bugapi_do_diskio): New. Performs disk i/o (well at least
976 what I think the behavour is).
977 * emul_bugapi.c (emul_bugapi_instruction_call): Add hook to disk
978 i/o bug call. For RETURN call, exit using gpr[3]'s status even
979 though this isn't part of the spec - makes it possible for machine
980 code to signal the aporting of a simulation run.
982 * emul_chirp.c (chirp_emul_call_method): Add support for the
983 claim/release methods.
984 * (chirp_emul_exit): Add an optional exit status argument to
985 the exit method. Makes it possible for chirp emul simulations
986 to abort upon an error.
987 * device.h, device.c (device_instance_claim,
988 device_instance_release): New methods for claiming and releasing
990 * hw_memory.c: add claim and release memory methods.
991 * hw_*: Use the claim memory method when allocating physical
994 Thu Apr 18 23:38:10 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
996 * hw_nvram.c (hw_nvram_update_clock): Use the current not previous
997 time when updating the clock.
999 * hw_nvram.c: Tidy up documentation
1001 Fri May 24 10:08:10 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1003 * configure.in (AC_STRUCT_ST_{BLKSIZE,BLOCKS,RDEV}): Use these
1004 macros to determine whether or not the appropriate st_<xxx> fields
1005 exist in the stat structure.
1006 (AC_CHECK_FUNCS): Check for all unix system calls used, except for
1007 the real basic ones like open, read, write, etc.
1008 * config{.in,ure}: Regenerate.
1010 * emul_netbsd.c: Add support for missing system calls, and/or
1011 missing stat fields.
1012 (MAXPATHLEN): Undefine if including unistd.h, since sys/param.h
1015 * hw_pal.c (WITH_STDIO): Redefine if O_NDELAY, F_GETFL, or F_SETFL
1017 (scan_hw_pal): Do not cause syntax error if O_NDELAY, F_GETFL, or
1018 F_SETFL not defined.
1020 Tue May 21 17:24:45 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1022 * emul_netbsd.c (write_stat): Don't convert st_blocks unless the
1025 Thu May 16 10:56:45 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1027 * configure.in (AC_CHECK_HEADERS): Add sys/ioctl.h.
1028 * config{.in,ure}: Regenerate.
1029 * emul_netbsd.c: If HAVE_SYS_IOCTL_H is not defined, don't include
1032 Tue May 7 17:28:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1034 * hw_pal.c (hw_pal_instance_read_callback): Remove unused
1037 * misc.c ({,target_}a2i): Rewrite to not use strtoul.
1039 * Makefile.in ({spreg,misc}.o): Add dependency on .c file.
1040 ({i,d}gen): Don't link in liberity. Use BUILD_LIBS instead of
1043 Mon May 6 11:31:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1045 * hw_pal.c (hw_pal_instance_read_callback): If using stdio, use
1046 fgets to read line. If not using stdio, do a simple blocking read
1049 Fri May 3 15:07:42 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1051 * Makefile.in: Correctly build simulator for build machine != host
1054 Tue Apr 30 18:46:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1056 * configure.in (--enable-hostendian): Rework so the default uses
1057 the AC_C_BIGENDIAN results. Only run AC_C_BIGENDIAN if not cross
1059 * configure: Regenerate.
1061 * sim-endian.h: Add more tests for host endian to support more
1062 platforms in a cross compilation environment.
1064 Wed Apr 17 14:38:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1066 * hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
1067 use stdio, instead of unpended read/printf_filtered.
1068 (hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
1069 flush stdout after writing the characters.
1071 * options.c (print_options): Print out WITH_STDIO.
1073 * Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
1074 configuration variable.
1075 (CONFIG_CFLAGS): Include STDIO_CFLAGS.
1076 (hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
1077 files to contain directory pieces.
1079 * std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
1080 should use stdio for console input.
1081 (WITH_STDIO): If not defined, define as DONT_USE_STDIO.
1083 * configure.in (--enable-sim-stdio): Add new switch to control
1084 whether stdio is used for console I/O.
1085 * configure: Regenerate.
1087 * interrupts.c (external_interrupt): Declare it to be
1088 INLINE_INTERRUPTS, not INLINE_CPU.
1090 Mon Apr 15 23:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1092 * events.c (insert_event_entry): Allow events to be scheduled
1093 *NOW* (at delta time 0). Add assertions to clarify behavour of
1096 * events.c (update_time_from_event): New function. Calculates the
1097 number of ticks from the next event. Use this.
1099 Sun Apr 14 21:39:45 1996 Andrew Cagney <cagney@highland.com.au>
1101 * emul_netbsd.c (do_break): Return 0 if success (instead of
1104 * device_table.c (vm_ioctl_callback): Don't return adjusted break
1107 Sun Apr 14 21:32:41 1996 Andrew Cagney <cagney@highland.com.au>
1109 * device_table.h: Change type of the device ioctl so that it
1110 returns an int (status).
1111 * device.h (device_ioctl): Ditto.
1112 * device.c (device_ioctl): Ditto.
1114 * device_table.c (stack_ioctl_callback): Return 0 status.
1115 (vm_ioctl_callback): Ditto
1117 Sat Apr 13 00:00:24 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1119 * emul_netbsd.c (do_read): Correctly set the return value.
1122 (do_geteuid): Ditto.
1124 (do_getegid): Ditto.
1126 (do_sigprocmask): Ditto.
1129 (do_gettimeofday): Ditto.
1130 (do_getrusage): Ditto.
1134 (do___sysctl): Ditto.
1136 Fri Apr 12 20:56:47 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1138 * device_table.c (vm_ioctl_callback): Don't access the processor
1139 registers directly, instead leave it to the caller to handle this.
1141 * emul_netbsd.c (do_break): Which calls vm_ioctl_callback to
1142 perform a break. Pass in the new break value and set the
1143 registers according to the result.
1145 * emul_generic.c (emul_write_status): Change so that r3 contains
1146 either status or errno and failure is indicated by SO.
1148 Thu Apr 4 23:03:38 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1150 * emul_bugapi.c (emul_bugapi_create): More strict check of OEA
1153 Thu Apr 4 20:58:05 1996 Andrew Cagney <cagney@highland.com.au>
1155 * interrupts.h (interrupts): New structure contains state of
1158 * cpu.c (cpu_interrupts): New function. Pending interrupt status
1159 in the cpu and grant access to it. Add interrupts to cpu
1162 Fri Mar 29 22:09:25 1996 Andrew Cagney <cagney@highland.com.au>
1164 * device.c (device_tree_add_parsed): Check that the creation of a
1165 device instance worked before using it.
1167 * psim.c (psim_halt): Remove cia argument from psim_halt. This
1168 function does not save the CIA so do not pass it in.
1170 Fri Mar 29 21:30:56 1996 Andrew Cagney <cagney@highland.com.au>
1172 * hw_pal.c (hw_pal): Merge the halt and icu and console devices
1173 found in device_table.c into a single hack pal.
1175 * device_table.c (halt, icu, console): Delete.
1177 * Makefile.in (hw_pal.o): New dependency.
1179 * emul_generic.c (emul_add_tree_hardware): Re-arange device tree
1180 so that it uses the pal instead of the icu/halt/console devices.
1181 Wire the pal's interrupt ports up to the cpu nodes.
1183 Fri Mar 29 20:17:17 1996 Andrew Cagney <cagney@highland.com.au>
1185 * hw_iobus.c (hw_iobus_attach_address_callback): Move from
1186 device_table.c to here.
1188 * Makefile.in (hw_iobus.o): New dependency.
1190 Fri Mar 29 12:17:58 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1192 * emul_bugapi.c (_os_emul_data): Add fields for output, input.
1193 (emul_bugapi_create): Create input, output from /chosen/stdin and
1195 (emul_bugapi_do_{read,write}): Switch to use device_instance
1197 (emul_bugapi_instruction_call): Change calls to
1198 emul_bugapi_do_{read,write} to pass device instance argument.
1200 Tue Mar 26 14:57:58 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1202 * igen.c (idecode_switch_end): Fix 2/26 change so that an extra
1203 default is not written out if a default was already written.
1205 * psim.c (psim_{read,write}_register): Use sizeof unsigned_8 to
1206 size cooked_buf, not sizeof natural_word, since floating point
1207 registers are 8 bytes.
1209 Mon Mar 25 22:07:13 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1211 * configure: Regenerate with autoconf 2.9.
1213 Thu Mar 21 00:14:26 1996 Andrew Cagney <cagney@highland.com.au>
1215 * device_table.h: Always include string headers.
1217 Thu Mar 21 00:06:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1219 * main.c (error): Be careful to not try to print out statistics
1220 when the simulation was never created.
1222 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1224 * basics.h: Move the event queue's definition to here so that it
1225 can be refered to globally with out importing all of events.h.
1227 * psim.h, psim.c (psim_event_queue): New function. Grant access
1228 to the simulation event queue. Will make this the single point of
1229 access (there is after all only one event queue in the
1232 * cpu.c (cpu_create): Use psim_event_queue to obtain the event
1233 queue instead of it being passed in. No longer allow access to
1234 the cpu's copy of the event queue.
1236 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1238 * events.h, events.c (event_handler): Remove event_queue from
1239 arguments passed to an event handler. That argument is redundant
1240 - the `data' should refer to a data structure that contains the
1241 event queue if queing is needed.
1243 * cpu.c (cpu_decrement_event): adjust
1245 * events.c (event_queue_process): adjust
1247 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1249 * device.h, device.c (device_system): New, returns a handle for
1250 the system given the device.
1252 * device.c (device_address_init): Store a pointer back to the
1253 system in each devices node.
1255 * device_table.h: Don't pass `system' into each device when it is
1256 being initialized, this is now available using device_system(me).
1258 * device.c (device_address_init, device_data_init): Adjust.
1260 * hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
1263 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1265 * interrupts.c (decrementer_interrupt, external_interrupt):
1266 Remember that an interrupt wasn't delivered so that it can be
1269 * interrupts.c (check_masked_interrupt): New function. (re)
1270 checks for the posibility that a recent change to the MSR may have
1271 made it possible to deliver an interrupt that was previously
1272 masked be the EE bit.
1274 * ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
1275 a pending interrupt being delivered using check_masked_interrupt().
1277 * cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
1278 leaving it to that module to handle both interrupt synchronization
1281 * cpu.c (struct _cpu): remove variables that were going to record
1282 pending decrementer and external interrupts.
1284 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1286 * hw_cpu.c, hw_cpu.h: New files. Implement a device that sits
1287 between the interrupt controller and the simulators internal
1288 processor model. Maps device interrupts onto the processor
1289 interrupt function calls.
1291 Mon Mar 4 06:06:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1293 * hw_nvram.c: NVRAM device that includes a real-time clock that is
1294 updated each second.
1296 Mon Mar 4 04:18:50 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1298 * device.h (attach_type): Remove attach_default type address
1299 spaces. Will replace with levels of callback memory.
1301 * corefile.h, corefile.c (new_core_mapping), corefile.c
1302 (core_map_attach): Replace default attach with a layerd callback
1305 Sun Mar 3 03:58:46 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1307 * device.c (split_property_specifier): ensure that only a single
1309 (split_value): New function, parses the value part of a device
1312 * device.c (device_tree_add_parsed): Use the interrupt conversion
1313 functions to determine the interrupt port numbers.
1315 * device_table.h: Add table that maps between an interrupts
1316 symbolic name and its port number.
1318 * device.h, device.c (device_interrupt_decode,
1319 device_interrupt_encode): new functions use the recently added
1320 interrupt port name/number tables to perform conversion.
1322 Sun Mar 3 03:23:59 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1324 * device.h, device.c (device_set_array_property,
1325 device_set_boolean_property, device_set_ihandle_property,
1326 device_set_integer_property, device_set_string_property): New
1327 functions - allow the value of a given property to be changed.
1329 * device.h, device.c: Re-order declaration and definition of
1332 Sun Mar 3 03:10:22 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1334 * device.c (device_tree_print_device, device_tree_add_parsed):
1335 Remove references to phandle properties.
1337 Wed Feb 28 00:43:07 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1339 * Makefile.in (corefile.o): missing dependency on device_table.h
1342 Tue Feb 27 23:59:35 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1344 * device_table.h: Revamp device init callbacks so that they are a
1346 * device.c (device_init_data, device_init_address): If an init
1347 callback is NULL assume it should do nothing.
1348 * device_table.c (ignore_device_init, unimp_device_init): delete
1350 * device_table.c, hw_memory.c: adjust.
1354 * (device_instance): ditto.
1356 * (address nee config_address): ditto.
1357 * (interrupt): ditto.
1359 Mon Feb 26 21:11:20 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1361 * igen.c (idecode_switch_end): Output a default entry when the
1362 switch statement is perfect. Firstly stops GCC complaining about
1363 an incomplete switch and secondly it will be eliminated by a good
1366 Mon Feb 26 22:47:15 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1368 * Makefile.in (hw.h, hw.c): New targets. Create from the list of
1369 hw_*.c files. hw.h declares a device descriptor table for each hw
1370 device while hw.c lists those tables in a form suitable for the
1371 construction of a top leveltable in device_table.c.
1373 * Makefile.in (device_table.o): now depends on hw.c a generated
1376 * device_table.c (device_table): Re-arange the table of devices so
1377 that two levels are possible. Make use of hw.c.
1378 * device_table.h: ditto.
1380 * device.c (device_template_create_device): Handle new two level
1381 device lookup table.
1382 * device.c (device_usage): ditto.
1384 Mon Feb 26 22:24:00 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1386 * device_table.c: Delete the memory device (moved to hw_memory.c).
1388 * hw_memory.c: New file. Just an OpenBoot memory device.
1390 Wed Jan 17 21:47:34 1996 Andrew Cagney <cagney@highland.com.au>
1392 * device.c (device_init_address): New. Split initialization into
1393 two stages, address and address spaces
1394 * device.c (device_init_data): New. ... and data or other work.
1395 With out this, devices try to modify memory before it as been
1398 * device.c (device_tree_init): Update to perform staged
1401 * device.c (device_init): Delete.
1403 Wed Jan 17 21:43:09 1996 Andrew Cagney <cagney@highland.com.au>
1405 * device_table.c (data_*): Rewrite to make heaver use of property
1406 nodes. Allow initialization by different data types.
1407 * device_table.c (htab_* pte_*): Rewrite to use properties.
1409 * emul_chirp.c (emul_chirp_create): Use
1410 * emul_bugapi.c (emul_bugapi_create): Ditto
1411 * emul_netbsd.c (emul_netbsd_create): Ditto
1413 Wed Jan 17 21:24:50 1996 Andrew Cagney <cagney@highland.com.au>
1415 * emul_generic.c (emul_add_tree_options): Annotate existing tree
1416 with options that haven't yet been specified.
1417 * emul_generic.c (emul_add_tree_hardware): Annotate existing tree
1418 with demo devices and properties.
1420 * emul_chirp.c (emul_chirp_create): Update to use new
1421 device_tree_add_parsed call and additional information now
1422 included in the device tree. Use emul_add_tree* functions to add
1423 any missing details.
1424 * emul_bugapi.c (emul_bugapi_create): Ditto
1425 * emul_netbsd.c (emul_netbsd_create): Ditto
1427 Wed Jan 17 21:18:27 1996 Andrew Cagney <cagney@highland.com.au>
1429 * device.c (device_instance_create): New. Create/delete and
1430 operate on instances of a device.
1431 * device.c (device_instance_delete): Ditto
1432 * device.c (device_instance_read): Ditto
1433 * device.c (device_instance_write): Ditto
1434 * device.c (device_instance_seek): Ditto
1435 * device.c (device_instance_data): Ditto
1436 * device.c (device_instance_name): Ditto
1437 * device.c (device_instance_path): Ditto
1439 * emul_chirp.c (chirp_emul_open): Implement using device_instance.
1440 * emul_chirp.c (chirp_emul_close): Ditto
1441 * emul_chirp.c (chirp_emul_read): Ditto
1442 * emul_chirp.c (chirp_emul_write): Ditto
1443 * emul_chirp.c (chirp_emul_seek): Ditto
1445 * emul_chirp.c (chirp_read_t2h_args): Read arguments from device.
1446 Being careful to convert all from target to host byte order.
1447 * emul_chirp.c (chirp_write_h2t_args): Converse.
1449 Wed Jan 17 20:07:15 1996 Andrew Cagney <cagney@highland.com.au>
1451 * device.c (device_tree_add_parsed): New. Rewrite code to add
1452 devices to the device tree so that a single printf style function
1455 * device.c (device_tree_add_*): Delete. Replaced by above.
1457 * device.c (split_device_specifier): Functions to manipulate a
1458 device specifier (path) breaking it into its components
1459 * device.c (split_property_specifier): Ditto
1460 * device.c (split_device_name): Ditto
1461 * device.c (split_find_device): Ditto
1463 * device.c (scan_*): Delete
1465 * device.c (device_tree_find_device): Rewrite to use above.
1466 * device.c (device_add_property): Ditto
1468 Wed Jan 17 19:51:56 1996 Andrew Cagney <cagney@highland.com.au>
1470 * psim.c(psim_options): Parse the psim options, installing their
1471 value in the device tree. Options are now first entered into a
1472 device tree and then extracted out again when needed. This allows
1473 greater flexability in configuration.
1475 * psim.c (psim_tree): Returns a basic device tree ready for
1476 parsing by psim_options.
1477 * psim.c (psim_usage): New. Give usage to varing levels of detail
1478 according to the verbosity. In turn output device and trace
1481 * main.c (main): Update to use new system
1482 * sim_calls.c (sim_open, sim_do_command): Ditto
1484 * psim.c (psim_options): Add `r' option - ram size.
1485 * psim.c (psim_options): Add `o' option - openboot tree entry.
1486 * psim.c (psim_options): Add `h'/`H' options - more help.
1488 * debug.c (trace_usage): Add more detailed help.
1489 * device.c (device_usage): New. Output help including a list of
1490 the devices currently available in the device table.
1491 * device_table.c: Add usage operator to each device.
1493 * corefile.c (core_create, core_device_create): Adjust so that the
1494 core device is created earlier for psim_tree(). Core can later be
1497 * psim.c (psim_create): Update to handle above way of creating
1498 things. Extract all information from the device tree.
1500 * device_tree.c (trace_*): New device node, its properties are
1501 used to set the value of the trace options. Init this device (in
1502 psim_options) when ever the options are updated.
1504 Wed Jan 17 19:46:07 1996 Andrew Cagney <cagney@highland.com.au>
1506 * debug.h: Add trace_print_info, trace_print_device_tree and
1507 trace_dump_device_tree. The first is a replacement for the
1508 variable `print_info' found in main.c and sim_calls.c. The latter
1509 two enable the dumping of the entire device tree.
1511 * debug.c: Add to trace_description table.
1513 * main.c (main): Use above trace instead of local variable
1514 * sim_calls.c (sim_close): Ditto
1516 * device.c (device_tree_print_device): New. Prints the device
1517 tree in a format that is consistent with what can be parsed by the
1518 device tree load from file code.
1520 * psim.c (psim_create): Dump device tree if enabled. If nump
1521 selected, exit psim immediatly.
1523 Wed Jan 17 19:36:52 1996 Andrew Cagney <cagney@highland.com.au>
1525 * corefile-n.h (core_map_read_N): When mapping from an address to
1526 a device, do not subtract the devices base. The device its self
1527 can do this. Brings the behavour into line with OpenBoot.
1528 * corefile-n.h (core_map_write_N): Ditto
1529 * corefile.c (core_map_read_buffer): Ditto
1530 * corefile.c (core_map_write_buffer): Ditto
1532 * device_table.c (console_io_read_buffer_callback): Adjust to
1533 handle biased address.
1534 * device_table.c (console_io_write_buffer_callback): Ditto
1536 Wed Jan 17 18:36:09 1996 Andrew Cagney <cagney@highland.com.au>
1538 * device.c (attach_device_interrupt_edge): New. Interrupt model
1539 did not allow interrupts to be wired up as a general net (edges).
1540 Re-implement so that interrupt events can be passed to multiple
1541 controllers and interrupt controllers can further propogate
1544 * device.c (attach_device_interrupt_edge) : New, Ditto
1545 * device.c (detach_device_interrupt_edge) : New, Ditto
1546 * device.c (clean_device_interrupt_edges) : New, Ditto
1547 * device.c (device_interrupt_event) : New, Ditto
1548 * device.c (device_interrupt_attach) : New, Ditto
1549 * device.c (device_interrupt_detach) : New, Ditto
1550 * device.c (device_child_interrupt_attach) : New, Ditto
1551 * device.c (device_child_interrupt_detach) : New, Ditto
1553 * device.c (device_attach_interrupt) : Delete old
1554 * device.c (device_detach_interrupt) : Delete old
1555 * device.c (device_interrupt) : Delete old
1556 * device.c (device_interrupt_ack) : Delete old
1558 * device_table.c (unimp_*) : Update to match
1560 * device_table.c (icu_io_write_buffer_callback) : Update to use
1562 * device_table.c (icu_interrupt_event_callback) : Ditto
1564 Wed Jan 17 18:18:40 1996 Andrew Cagney <cagney@highland.com.au>
1566 * device.c (external_to_device) : New function that provides a
1567 standard mapping between a devices internal representation (a
1568 pointer) and its external (or what is passed to a client)
1569 representation (a phandle). Implement using the cap object
1570 attached to the root node.
1572 * device.c (device_to_external) : Ditto
1573 * device.c (external_to_device_instance) : Ditto but for ihandle
1574 and device instance.
1575 * device.c (device_instance_to_external) : Ditto
1577 * Makefile (device.o): Add dependency on cap.
1579 * emul_chirp.c (struct _emul_chirp_data) : Elimate use of cap. Code
1580 needing to translate between internal and external representations
1581 changed to use the external_to_device et.al. device operations.
1582 * emul_chirp.c (chirp_emul_*) : Ditto
1584 * Makefile (emul_chirp.o): Remove dependency on cap
1586 Sat Jan 6 10:13:26 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1588 * emul_chirp.c (map_over_chirp_note): Tighten up (and fix) checks
1589 on OpenBoot note section.
1591 Fri Jan 5 20:28:53 1996 Andrew Cagney <cagney@hignland.com.au>
1593 * emul_generic.c (emul_write_buffer): Use vm faulting byte
1594 read/write calls for buffer transfers. This will cause a fault to
1595 occure if the transfer fails. CHRP catches the fault while the
1596 others suffer the consequences.
1597 (emul_read_buffer): Ditto.
1598 (emul_write_word): Ditto.
1599 (emul_read_word): Ditto.
1600 (emul_read_string): Ditto.
1602 Fri Jan 5 18:55:34 1996 Andrew Cagney <cagney@highland.com.au>
1604 * emul_chirp.c (emul_chirp_create, emul_chirp_instruction_call),
1605 emul_generic (emul_blr_instruction): Use a real blr instruction to
1606 return from a client service call.
1608 * emul_chirp.c (services): Add all OpenBoot services to table.
1610 * emul_generic.h, emul_bugapi.c (emul_bugapi_create), emul_chirp.c
1611 (emul_chirp_create) : Use names instead of numbers for
1612 instructions being stored in memory.
1614 Fri Jan 5 18:52:28 1996 Andrew Cagney <cagney@highland.com.au>
1616 * Makefile.in (maintainer-clean): Remove .log, core and *.core
1617 (From NetBSD) files.
1619 Wed May 29 22:57:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1621 * ChangeLog.00, ChangeLog: ChangeLog from gdb-4.16 becomes