1 Tue Oct 29 17:55:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
3 * configure.in (AC_CHECK_FUNCS): Add access.
4 * config{.in,ure}: Regenerate.
6 * emul_unix.c (do_unix_nop): System call that always succeeds.
7 (do_unix_access): Support access system call.
8 (solaris_descriptors): Make sigaltstack and sigaction nops.
9 ({solaris,linux}_descriptors): Add support for access.
11 Fri Oct 18 12:12:21 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13 * ppc-instructions (Floating Select): Add support for fsel unless
14 model is 601. Allow user to filter out instruction unless -Fs is
16 (Store Floating-Point as Integer Word Indexed): Raise optional
17 instruction program abort. Allow user to filter out instruction
18 unless -Fs is passed to igen.
19 (Floating Square Root{, Single}): Ditto.
20 (Floating Reciprocal Estimate Single): Ditto.
21 (Floating Reciprocal Square Root Estimate): Ditto.
23 * configure.in (--enable-sim-filter): If not passed, pass 32,f,s
25 * configure: Regenerate.
27 * interrupts.h (program_interrupt_reasons): Add
28 optional_instruction_program_interrupt.
30 * interrupts.c (program_interrupt): Call error with more detailed
31 information on program interrupts, particularly in user mode. Add
32 support for optional_instruction_program_interrupt.
34 Thu Oct 3 16:15:20 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
36 * Makefile.in (clean): Move config.log to distclean.
38 Thu Sep 19 14:40:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
40 * debug.h: Add disklabel-package and disk-device trace options.
41 debug.h (PTRACE): Add macro to simplify tracing in packages.
43 Thu Sep 19 14:40:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
45 * device.c (device_create_instance_from): Tighten up loop
46 searching for device instances.
47 (device_instance_delete): Ditto.
48 (device_instance_delete): Only leaf instances need to be removed
49 from a devices list of active instances.
51 Thu Sep 19 14:40:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
53 * hw_disk.c: Add the cdrom as an alias.
55 * pk_disklabel.c (disklabel_delete): Implement, remembering to
56 delete the raw disk instance while we're at it.
58 * pk_disklabel.c (pk_disklabel_create_instance): Implement a
59 little bit more - still a long way to go.
61 * pk_disklabel.c (disklabel_write, disklabel_read): Remember the
62 new head position after a read or write.
64 Thu Sep 19 13:05:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
66 * emul_chirp.c (chirp_emul_read): Allow reads to be longer then
69 Thu Sep 19 13:05:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
71 * emul_chirp.c (chirp_read_t2h_args): Call memset-0 with the args
74 * emul_chirp.c (chirp_emul_call_method): Correct computation for
75 the address of the first stack argument passed in from the client
78 Wed Sep 18 19:33:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
80 * words.h: Add new types signed_cell and unsigned_cell which
81 correspond to the signed and unsigned IEEE 1275 memory locations.
82 * device.h, device.c, emul_chirp.c: Where refering to an IEEE 1275
83 memory cell, replace uses of unsigned32 with unsigned_cell.
84 * device_table.h: Ditto.
86 * sim-endian.h: Add new macros H2BE_cell and BE2H_cell which
87 convert cell sized values to from big endian.
88 * device.c, emul_chirp.c: Where refering to IEEE 1275 memory cells
91 Tue Sep 17 15:57:44 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
93 * device.c (device_tree_add_parsed): Detect and report an
94 interrupt being attached to an invalid device. Was dumping core.
96 Mon Sep 16 23:09:12 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
98 * device.h, device.c (device_address_to_attach_address,
99 device_size_to_attach_size): New functions. Convert a devices
100 unit address or unit size structure into a form suitable for
101 passing on to the attach and detach functions.
102 * device_table.h: Add extra methods to device table.
104 * device.h, device.c (device_find_reg_property): New function.
105 For a reg type property, return the selected address + size
106 tupple, along with a positive success status. Add a reg_property
107 to the list of property types.
108 * (device_tree_add_parsed): Make array properties with the name
109 reg or alternate-reg of type reg_property.
111 * hw_memory.c (hw_memory_init_address): Rewrite to use new
112 find_reg_property method.
113 * hw_nvram.c (hw_nvram_init_address): Ditto.
115 * device.c (device_tree_print_device): Add code to print out a reg
118 * device_table.c (generic_device_address_to_attach_address,
119 generic_device_size_to_attach_size ): New functions. Generic
120 functions for converting between unit and attach address or size.
122 * device_table.c (generic_device_init_address): Rewrite to use the
123 new find_reg and address convert functions. Look for both reg and
124 alternate-reg properties.
126 Mon Sep 16 23:09:12 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
128 * hw_com.c: New file. A '550 serial device that can quickly be
130 * configure.in (enable-sim-hardware): Add the com device.
131 * configure: re-generate.
133 Thu Sep 12 17:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
135 * device.c (device_tree_verify_reg_unit_address): New
136 function. Check that the unit address as specified by the reg
137 property correctly corresponds to any unit address previously
138 specified by the devices name.
139 (device_tree_add_parsed): When adding a reg property, verify
140 that the unit-address - first value of property - correctly
141 matches any previous value specified when creating the device
144 Thu Sep 12 17:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
146 * mon.c (mon_event): Remove assertion that an unsigned is >= 0.
148 Fri Aug 16 12:05:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
150 * device.c (device_full_name): Cast strdup to char *, since AIX
151 3.2.5 mistakenly declares the function to be const char *.
152 (device_create_from): Ditto.
153 (device_create_instance_from): Ditto.
154 (device_add_property): Ditto.
156 Tue Aug 13 11:40:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
158 * debug.c (trace_option): For -t all, do not set the
159 trace_dump_device_tree flag, so that the simulator is run.
161 Tue Aug 13 11:40:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
163 * Makefile.in (options.o): Depend on defines.h.
164 (defines.h): New rule, go through config.h and make strings of all
165 of the #define HAVE_xxx macros.
166 (distclean): Remove defines.h.
168 * options.c (print_options): Print whether many of the
169 configuration macros are defined.
171 * main.c (main): If -t options and no filename, just print the
172 options, and don't print the usage message.
174 Mon Aug 12 18:42:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
176 * configure.in: Test whether /dev/zero works on the system, and if
177 it does, define HAVE_DEVZERO.
178 * configure: Regenerate.
180 * emul_generic.c (emul_add_tree_hardware): Do not add /iobus/disk
181 if we don't have a working /dev/zero on the system.
183 * emul_bugapi.c (emul_bugapi_init): If HAVE_DEVZERO is not
184 defined, don't add disk support.
185 (emul_bugapi_do_diskio): Ditto.
186 (emul_bugapi_instruction_call): Ditto.
188 Wed Aug 7 14:34:20 1996 Michael Meissner <meissner@tiktok.cygnus.com>
190 * emul_unix.c (HAVE_TCGETATTR): If HAVE_TERMIOS_STRUCTURE is not
191 defined, make sure HAVE_TCGETATTR is #undef'ed
193 Wed Aug 7 14:34:20 1996 Michael Meissner <meissner@tiktok.cygnus.com>
195 * std-config.h (REGPARM): Only define REGPARM attributes if using
196 GNU C. Test for __i686__ in case GCC ever defines it. If not on
197 a x86 platform, define REGPARM as nothing.
199 * sim-endian.h (WITH_HOST_BYTE_ORDER): Test for i686 and __i686__
202 Wed Aug 7 20:19:55 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
204 * ld-decode.h, ld-decode.c: Rename goto_gen to the more correct
206 * gen-idecode.c: Ditto.
208 * gen-idecode.c (print_idecode_table): Comment out check for
209 switch/table combination until a bug with it is fixed.
211 * ppc-opcode-goto: New file. Like complex and flat but uses
212 goto-switch instead of padded-switch for the tables.
214 * gen-idecode.c (print_goto_switch_name): New function.
215 (print_goto_switch_table_leaf): New function.
216 (print_goto_switch_break): New function.
217 (print_goto_switch_table): New function. Prints a jump table
218 that can be jumped into instead of a switch statement.
220 * gen-idecode.c (*switch_*): As an option output a switch that is
221 implemented using a jump table but only if the switch is not
224 Tue Aug 6 09:28:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
226 * configure.in (--enable-sim-{hardware,packages}): Fix typos.
227 * configure: Regenerate.
229 * device.c (device_instance_call_method): Fixup format message in
230 error case. Return 0 in case of error to shut up compiler
233 Wed Aug 7 00:17:37 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
235 * device_table.c (generic_device_unit_decode): Require a comma
236 between elements of a unit address.
238 * device.c (device_tree_print_device): For reg, alternate-reg and
239 ranges properties use special print functions.
240 (device_print_ranges_property): Print formatted ranges property.
241 (device_print_reg_property): Print formatted reg property.
243 Tue Aug 6 21:35:18 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
245 * device.c (device_tree_add_parsed): For reg, ranges and
246 alternate-reg properties use a special parser.
247 (device_tree_parse_reg_property): New function to parse a reg
249 (device_tree_parse_ranges_property): New function to parse a
251 (device_encode_unit): Wrapper for encode_unit callback.
252 (device_decoce_unit): Wrapper for decode_unit callback.
254 Wed Jul 31 00:02:30 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
256 * device_table.h (device_instance_callbacks): Relace the claim and
257 release methods with a more general table mapping from method-name
260 * device.c (device_instance_call_method): New function. Implement
261 the OpenBoot call-method client interface. Attempts to locate the
262 instances method in the callback table.
263 (device_instance_claim, device_instance_release): Delete.
264 Replaced with call-method and a lookup table.
266 * emul_chirp.c (chirp_emul_call_method): Use the new device
267 instance call method and let that handle a client claim call.
269 * hw_htab.c (claim_memory): Wrapper function to call the memory
270 devices "claim" method using the new device-instance call-method
271 interface. Replaces the previous direct calls to claim.
272 (htab_map_region): Use claim_memory.
273 (htab_init_data_callback): Ditto.
275 * hw_memory.c (hw_memory_instance_claim): Update function
276 interface so that it is compatible with call-method.
277 (hw_memory_instance_release): Ditto.
278 (hw_memory_instance_methods): New table of memory specific
279 methods claim and release. Add to the hw_memory_callback
282 Tue Jul 30 21:26:14 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
284 * psim.c (psim_init): Back out of change to initial value of
287 Tue Jul 30 21:12:24 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
289 * sim_callbacks.h (sim_io_printf_filtered): Replace
290 printf_filtered with a local simulator specific version. Add
291 #define printf_filtered to simplify updating of existing code.
293 * sim_callbacks.h (sim_io_write_stdout, sim_io_read_stdin,
294 sim_io_write_stderr): New functions. Read / write to the
295 simulations stdin and stdout and stderr interfaces. Merge in code
296 from hw_pal that previously handled async I/O.
297 (sim_io_flush_stdoutput): Rename flush_stdoutput. Add #define
298 flush_stdoutput to simplify updating of existing code.
300 * hw_pal.c (scan_hw_pal, write_hw_pal,
301 hw_pal_instance_write_callback): Use the new sim_io functions.
303 * main.c: Implement standalone versions of the new sim_io
304 functions. Include support for async I/O.
305 * sim_calls.c: Ditto. This time using the gdb callback table.
307 * std-config.h (CURRENT_STDIO, current_stdio): New macro. Set up
308 stdio configuration so that it works in the same way as the rest
310 * psim.c (psim_create): Initialize current_stdio from the device
312 * emul_generic.c (emul_add_tree_options): Enter a default value
313 for use-stdio in the device tree.
315 Fri Jul 26 19:43:03 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
317 * gen-idecode.c (print_jump): Was always generating a jump back to
318 idecode. Only necessary at tail of semantic code.
319 (print_jump): Was always setting the processor's cia, even during
320 startup when the processor was still undefined.
321 (print_jump): For safety, restart smp loop when cpu_nr >= nr_cpus,
324 * options.c (print_options): Add printing of WITH_REGPARM and
327 * std-config.h (WITH_REGPARM, WITH_STDCALL): Provide default
328 (disabled) values if not defined.
330 Fri Jul 26 00:36:35 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
332 * ppc-cache-rules (cache): Change RS and RB to cache instead of
333 compute. The block move instructions use them.
335 * idecode_expression.h (FPSCR_SET): New macro, set specific FPSCR
337 (CR_FIELD): New macro, extract specific CR register.
338 (FPSCR_FIELD): New macro, extract specific FPSCR register.
340 * registers.h (GPR): New macro, simplify accesses to GPR[i].
342 * bits.c (INSERTED): Covert INSERTED macro into a function.
343 (EXTRACTED): Conditionally compile on correct bit size macro.
345 * bits.h (BIT8): New macro, set a single bit in an 8 bit byte.
347 * ppc-instructions: With hints from Paul Martin, type in missing
348 some instruction semantics. Leave disabled for the moment.
349 (Load Multiple Word): Ditto.
350 (Store Multiple Word): Ditto.
351 (Load String Word Immediate): Ditto.
352 (Load String Word Indexed): Ditto.
353 (Store String Word Immedate): Ditto.
354 (Store String Word Indexed): Ditto.
355 (Move to Condition Register from XER): Ditto.
356 (Move From Condition Register): Ditto.
357 (Move From FPSCR): Ditto.
358 (Move to Condition Register from FPSCR): Ditto.
359 (Move To FPSCR Field Immediate): Ditto.
360 (Move To FPSCR Fields): Ditto.
361 (Move To FPSCR Bit 0): Ditto.
362 (Move To FPSCR Bit 1): Ditto.
364 Thu Jul 25 22:10:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
366 * std-config.h (SEMANTICS_INLINE): By default, mask out the
367 inlining of semantic functions from DEFAULT_INLINE. Almost all
368 configurations call the semantic code via a pointer so there is
371 * std-config.h (ICACHE_INLINE): Ditto.
373 Thu Jul 25 20:07:30 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
375 * configure.in (sim_regparm): Add configuration option for
376 enabling GCC's regparm attribute.
377 * (sim_stdcall): Add configuration option for enabling GCC's
380 * Makefile.in (REGPARM_CFLAGS): Pass regparam configuration onto
382 * (STDCALL_CFLAGS): Pass stdcall configuration onto compilations.
384 * std-config.h (REGPARM): Extend construction of REGPARM macro so
385 that it can include __stdcall__ function attribute.
387 Wed Jul 24 19:04:20 1996 Andrew Cagney <cagney@sawnoff>
389 * options.c (print_options): Include SUPPORT_INLINE in information
392 * gen-idecode.c (print_run_until_stop_body): Only generate loop
393 termination test if creating idecode_run_until_stop. Push the
394 loop termination test back into each alternative branch.
396 Wed Jul 24 15:47:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
398 * gen-icache.c (print_icache_function): Have the cache function
399 always update the cache_entries semantic and address fields.
401 * gen-idecode.c (print_idecode_switch_illegal): Include a break
402 when generating illegal instructions. This was commented out
403 which is a hangover from looking a at switch statements generated
404 using indirect jumps.
406 Tue Jul 23 20:57:01 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
408 * igen.c (print_my_defines): Replaces print_define_my_index.
409 Print both a definition for MY_INDEX and MY_PREFIX.
410 * gen-icache.c (print_icache_function): Adjust.
411 * gen-idecode.c (print_jump_insn): Adjust.
412 * gen-semantics.c (print_c_semantic): Adjust.
414 * gen-support.c (gen_support_h): Add optional include to created
415 support.h so that, like cpu, it is optionally inlined for all
416 modules that include it.
417 * inline.h, inline.c: Adjust so that support.[hc] is handled the
420 * idecode_fields.h (LABEL, GOTO): Macro's that create a unique
421 name for a lable and then branch to it.
423 * ppc-instructions (convert_to_integer, Floating Round to
424 Single-Precision, Floating Convert from Integer Doubleword): Use
425 LABEL and GOTO instead of the recently added switch statements.
427 Wed Jul 24 14:02:42 1996 Andrew Cagney <cagney@sawnoff.highland.com.au>
429 * gen-idecode.c (print_run_until_stop_body): Too many rparen in
432 Tue Jul 23 20:57:01 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
434 * configure.in (--enable-sim-line-nr): Typo - sim_line-nr.
435 * (--enable-sim-inline): Reorder patern matching of arguments so
436 that SUPPORT=ALL_INLINE is reconized as *=* and not *_INLINE.
438 * configure: rebuild.
440 Mon Jul 22 23:25:08 1996 Andrew Cagney <cagney@highland.com.au>
442 * configure.in (--enable-sim-hardware, --enable-sim-packages): New
443 configuration options. Let the user specify the packages or
444 hardware devices that are to be included in the build. Makes it
445 possible for user packages to be specified.
447 * Makefile.in (tmp-pk, tmp-hw): Just use the list of packages and
448 hardware instead of checking it using ls. configure.in should
449 have taken care of any problems.
450 (HW_SRC, HW_OBJ, PACKAGE_SRC, PACKAGE_OBJ): Set by configure.
452 Mon Jul 22 22:38:59 1996 Andrew Cagney <cagney@highland.com.au>
454 * psim.c (psim_options): Enter the argument to the memory size
455 option directly into the device tree. Was using atol() which is
456 dangerously non portable.
458 Mon Jul 22 22:17:08 1996 Andrew Cagney <cagney@highland.com.au>
460 * configure.in (icache): Extend icache flag to include an insn
461 option. If specifyed the insn - aka instruction - is included in
462 the instruction cache. Make this the default.
463 * configure: re-generate.
465 * igen.c (main), igen.h: Add option -S - inSn - for specifying
466 that the instruction should be included in the icache.
468 * gen-icache.c (print_icache_body): If enabled, output code to put
469 the instruction into the icache.
470 (print_icache_struct): If enabled, add insn to the icache struct.
472 Mon Jul 22 20:46:12 1996 Andrew Cagney <cagney@highland.com.au>
474 * Makefile.in (BUILD_CFLAGS): Include -g when building the
477 Mon Jul 22 20:00:25 1996 Andrew Cagney <cagney@highland.com.au>
479 * emul_generic.c (emul_add_tree_options): Was incorrectly setting
480 the strict-alignment option when hardwired for non-strict
483 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
485 * gen-semantics.c: Make the my_index variable a macro MY_INDEX.
487 * ppc-instructions: Adjust so that references are to MY_INDEX and
490 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
492 * gen-idecode.c: Output the complete run_until_stop function
493 instead of just the code to handle a single instruction issue.
494 * : Have the generated idecode.c include inline.c (instead of psim.c).
496 * std-config.h: Change psim.c so that it isn't inlined (as this is
499 * psim.c (run_until_stop): Delete the old run_until_stop function
500 instead calling the idecode_run and idecode_run_until_stop
501 functions that gen-idecode.c is now creating.
503 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
505 * dgen.c: Maintenance - update to use new features found in lf.c.
507 * filter_filename.c (filter_filename): Maintenance - make the
510 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
512 * debug.c (TRACE, ITRACE, DTRACE): Have GCC instead of CPP
513 eliminate trace statements.
515 * debug.c: Change trace format so that it is consistent
516 (file:line-nr) with CC's error output.
518 * gen-itable.c (itable_c_insn): Add the source file name and
519 source line number to the instruction's informational entry.
521 * debug.c (ITRACE): Use the itable (and my_index) to get the
522 current instructions name and source line number.
524 * gen-semantics.c, gen-icache.c: Adjust generated ITRACE calls to
527 * emul_bugapi.c (emul_bugapi_instruction_call): Adjust
528 corresponding call to ITRACE so that it still matches.
530 * idecode_expression.h (ALU_END, CR0_COMPARE): Use TRACE instead
531 of ITRACE. The CPP line directives would have previously set the
532 line-nr and file name so ITRACE isn't needed.
534 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
536 * gen-idecode.c (print_jump_until_stop_body): New function and
537 idecode generation option. Instead of generating and calling
538 separate functions containing the semantic and icache code
539 generate a single monolythic function and use goto's (and GCC's
540 indirect jump) to move between code blocks.
542 * Makefile.in: Add sim_jump flag to those passed to igen.
544 * configure.in: New option --enable-sim-jump (default disabled)
546 * ppc-instructions: Eliminate any uses of labels and goto's.
547 These result in duplicate declarations when a single flat function
550 * ppc-opcode-jump: New file. Set of opcode rules useful when
551 testing jumping idecodes.
553 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
555 * gen-idecode.c: Optionally include the semantic code for an
556 instruction in the function that is doing the decoding.
558 * igen.c: Add option (-C) to generate semantics in the instruction
561 * configure.in (--enable-sim-icache): Accept an option list such
562 as 1024,define. Add a new choice to the list - semantic - which
563 will cause igen to generate instruction decode functions that
564 include the corresponding semantic code.
566 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
568 * configure.in: New option --enable-sim-line-nr (default enabled).
569 Enable/disable the inclusion of CPP line directives in the
570 generated files. Such directives refer back to the source files
571 used when generating the simulator code.
573 * Makefile.in (sim_line_nr): Pass to igen.
575 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
577 * igen.c (main): Revamp the options so that more letters are
580 * configure.in: Adjust to match igen's revamped options
582 Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
584 * Makefile.in (pk.h, hw.h): Rewrite depenencies for hw.h (etc) so
585 that they use the same technique as igen (ie a dummy targets
586 tmp-pk and tmp-hw are created).
588 Mon Jun 24 22:28:00 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
590 * Makefile.in (BUILD_CFLAGS): Include WARNING_CFLAGS.
592 Wed Jun 19 21:45:28 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
594 * ld-cache.[hc], ld-decode.[hc], ld-insn.[hc]: New files. Separate
595 out the loading of each of the tables from the rest of igen.
596 * Makefile.in: Adjust.
599 * gen-icache.[hc], gen-idecode.[hc], gen-itable.[hc],
600 gen-model.[hc], gen-semantics.[hc]: New files. Separate out the
601 code creating each separate set of generated files.
602 * Makefile.in: Adjust.
605 * gen-support.[ch]: New files. Output the support functions (found
606 in the ppc-instructions file) into a separate file.
608 * inline.h, inline.c: Add.
611 * ld-cache.c: Re-design the cache table format.
612 * ppc-cache-rules: Update to new format.
614 * ld-decode.c: Re-design the decode table format.
615 * ppc-opcode-simple: Update to new format
616 * ppc-opcode-complex: Ditto
617 * ppc-opcode-flat: Ditto
619 * filter.h, filter.c: New files. Separate the opcode filter table
620 reading code from the rest of igen.c. Re-design the filter so that
621 it works inclusivly not exclusivly.
622 * igen.c: Remove the opcode filter table loading code.
623 * Makefile.in (filter.o): Adjust
624 * configure.in: Adjust filter flag so that default includes 32bit
626 * ppc-instructions: Clean up filter fields so that only in use
627 entries are specifed (ie delete `be').
629 * misc.c (name2i, i2name): New function. Map between a string and
632 Mon Jun 17 20:08:03 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
634 * sim_calls.c (sim_close): If simulator not created, skip printing
637 Mon Jun 17 20:08:03 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
639 * registers.c (register_description): Typo, insns not insn.
641 * ppc-instructions (model_get_number_of_stalls): New model function,
642 returns number of stalls for the specified processor.
643 * psim.c (psim_read_register): Add call to new function
644 model_get_number_of_stalls().
646 * ppc-instructions (model_get_number_of_cycles): New model function,
647 returns number of stalls for the specified processor.
648 * psim.c (psim_read_register): Add call to new function
649 model_get_number_of_cycles().
651 Fri Jun 14 00:11:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
653 * device_table.h: Don't pass the parent device into a devices
654 create function. This makes the create function consistent with
656 * device.c (device_template_create_device): Ditto
657 * hw_pal.c (hw_pal_create): Ditto
658 * hw_core.c (hw_core_create): Ditto
659 * hw_vm.c (hw_vm_create): Ditto
660 * hw_disk.c (hw_disk_create): Ditto
661 * hw_nvram.c (hw_nvram_create): Ditto
662 * hw_memory.c (hw_memory_create): Ditto
663 * hw_cpu.c (hw_cpu_create): Ditto.
665 * device.c (split_find_device): Allow a null initial parent device.
666 (device_template_create_device): Ditto.
668 * device.c (device_create_from): Make local (static) only used
670 * device_table.h: typedef device_callbacks moved here (from
671 device.h) where it belongs.
673 * hw_core.c: New file. Implements just the core device using the
676 * corefile.c: Moved all core device functions into the new
677 hw_core.c file. core_device_create() disapears.
679 * psim.c (psim_tree): Use device_tree_add_parsed() to create the
682 Thu Jun 13 00:09:29 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
684 * hw_init.c: Correct typo in comment.
686 * corefile.c (core_init): Remove any remaining references to a
688 (core_map_find_mapping): Ditto.
690 Wed Jun 12 22:30:32 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
692 * corefile.c (core_init): Make function global so that other
693 devices are able to use the full core object.
695 * corefile.c (core_create, core_from_device): Break core_create
696 into two functions. The first creates a core object, the second
697 returns the core object associated with a core device.
699 * corefile.c (core_device_create): Use core_create to make the
702 * psim.c (psim_create): Use core_from_device() instead of
705 * device.c (device_template_create_device): Make static as only
706 needed by functions internal to device.c.
708 Fri Jun 7 23:47:18 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
710 * ppc-opcode-test-2: Remove description of fields.
711 * ppc-opcode-complex: Ditto
712 * ppc-opcode-flat: Ditto
713 * ppc-opcode-simple: Ditto
714 * ppc-opcode-stupid: Ditto
715 * ppc-opcode-test-1: Ditto
716 * ppc-cache-rules: Ditto
718 * igen.c: Add description of files as a comment at the front.
720 Wed Jun 26 12:50:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
722 * configure.in: Check for whether the termios and termio
723 structures are really defined, and whether or not, they define the
725 * configure: Regenerate.
727 * Makefile.in ({,TERMIO_}CFLAGS): Add TERMIO_CFLAGS options set by
730 * emul_unix.c: Various changes to allow for building on systems
731 with different termio and termios structures. If host has both
732 termio and termios, just use termios. No longer include
735 Wed Jun 26 12:26:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
737 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
738 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
740 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
741 (AC_PROG_INSTALL): Added.
742 * configure: Rebuilt.
744 Wed Jun 5 23:53:42 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
746 * corefile.h: Rewrite documentation so that it can be extracted and
747 converted into texinfo (and hence ready for translation into html,
751 Thu Jun 6 09:52:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
753 * hw_disk.c (SEEK_SET): If SEEK_SET is not defined, define as 0.
755 Wed Jun 5 11:46:52 1996 Andrew Cagney <cagney@puddin>
757 * hw_disk.c: Include <unistd.h> if available. Under SunOS, that
758 is the source of SEEK_SET.
760 Wed Jun 5 01:39:07 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
762 * psim.c (psim_options): Correct type of dummy arguments being
763 passed to a device_ioctl call.
765 * hw_init.c (hw_data_init_data_callback): Adjust printf arguments.
766 (write_stack_arguments): Ditto.
767 * hw_trace.c: Instance callback entry no longer a table.
769 Wed Jun 5 01:39:07 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
771 * emul_unix.c (do_unix_umask): Cast printf argument.
772 (convert_to_linux_termios): Use LINUX_VSWTC not LINUX_VSWCH
774 Mon Jun 3 15:02:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
776 * hw_init.c (update_for_binary_section): Abort if we find an
777 .interp section, which indicates the need for shared libraries to
780 Mon Jun 3 15:02:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
782 * emul_unix.c (do_unix_{time,gettimeofday,getrusage}): Add support
783 for time, gettimeofday, and getrusage system calls.
784 ({solaris,linux}_descriptors): Add new system calls.
785 (do_get{,e}{uid,gid}): Use gid_t/uid_t types.
786 (do_get{,p}pid): Use pic_t types.
788 * configure.in (AC_TYPE_{GETGROUPS,SIGNAL}): Define.
789 (AC_TYPE_{MODE,OFF,PID,SIZE,UID}_T): Define.
790 * config{.in,ure}: Regenerate.
792 Mon Jun 3 23:19:57 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
794 * emul_netbsd.c (emul_netbsd_create): Use the more specific names
795 `ppc-elf' and `ppc-xcoff' for the stack-type.
796 * emul_unix.c (emul_unix_create): Ditto.
797 * emul_bugapi.c (emul_bugapi_create): Ditto.
798 * hw_init.c: Reconize the new names.
800 * emul_unix.c (do_unix_break): Adjust so that the updated ioctl
801 call is used (no system parameter).
803 Sun Jun 2 11:21:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
805 * emul_unix.{h,c}: New files to provide Solaris and Linux system
808 * Makefile.in (LIB_{SRC,OBJ}): Add emul_unix.{c,o}.
809 (os_emul.o): Depend on emul_unix.h.
810 (emul_unix.o): New dependency.
812 * configure.in (--enable-sim-alignment): Add 0|default to mean set
813 alignment to 0, which means use appropriate alignment for mode.
814 (AC_CHECK_FUNCS): Add new functions needed by emul_unix.c.
815 (AC_CHECK_HEADERS): Add new include files needed by emul_unix.c.
816 * config.in: Regenerate.
817 * configure: Regenerate.
819 * emul_generic.c (emul_write2_status): New function to return
820 results in r3 and r4 for Solaris system calls.
821 (emul_do_system_call): If the system call is not support, but
822 there is a string for the system call name, print out the string
823 instead of the system call number.
825 * emul_generic.h (emul_write2_status): Declare it.
827 * emul_netbsd.c: Use /* */ around comment on #endif.
829 * os_emul.c: Include emul_unix.h.
830 (os_emulations): Add emulations for Solaris, and Linux.
832 * psim.c (psim_usage): Add message about solaris, linux
835 Thu May 30 00:00:10 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
837 * hw_iobus.c: Tidy up notes so that they can be auto-extracted.
839 * README: Correct PSIM's title
841 Wed May 29 23:50:26 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
843 * basics.h: New global type object_disposition, used to indicate
844 the status of objects when things are restarted.
846 Fri May 17 17:28:52 1996 Andrew Cagney <cagney@benjimen.highland.com.au>
848 * device_table.h: Change the interrupt descriptor structure so
849 that it includes an additional member - an upper bound on the
850 interrupts by that name.
852 * device.c (device_interrupt_decode): Allow a range of interrupt
853 ports (eg rst0 .. rst6) if the port descriptors bound is non zero.
855 * device.c (device_tree_print_device): Include a list of valid
856 interrupt ports when listing supported devices.
858 * device.h, device.c (device_child_interrupt_*): Delete. Not used.
860 * emul_generic.c (emul_add_tree_hardware): Modify the creation of
861 the interrupt net so that it uses int0 .. intN.
863 Tue May 14 23:03:53 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
865 * device.h, device.c (device_ioctl): Drop the system argument.
866 Devices can not obtain this using the device_system() call.
867 * device_table.h: Adjust accordingly.
868 * hw_*.c: Adjust accordingly.
869 * emul_netbsd.c (do_break): Adjust call to vm device accordingly.
870 * psim.c (psim_options): Use a device_ioctl call to force the
871 hw_trace device to update the trace options.
872 * hw_trace.c: Replace the init function with an ioctl call. Adjust
875 * psim.c (psim_init): Re-order initialization so that the
876 os-emulation is initialized after the device tree. Without this,
877 os-emul's are not able to create instances or access properties
878 that contain an instance handle.
880 * device.h, device.c (device_add_*_property): Make these functions
881 internal to device.c. The user has access to the more generic
882 device_tree_add_parsed function. Differentiate between the initial
883 and current value for each property.
884 * (clean_device_properties): New function that deletes any
885 properties created after the start of a simulation and restores
886 the initial value of any others (ignoring ihandles).
887 * (init_device_properties): (Re)Initialize any properties that
888 contain ihandles. create
890 * (device_tree_init): Include calls to clean the device tree's
891 properties and then initialize them. Document this in the device.h
894 Mon May 6 17:36:15 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
896 * interrupts.c (decrementer_interrupt): Always pend a decrementer
897 interrupt even if it is not yet possible to deliver it.
899 Wed May 1 12:26:51 1996 Andrew Cagney <cagney@benjimen>
901 * mon.h, mon.c (mon_get_number_of_insns): Make this externally
902 visable adjusting the arguments so that the interface is correct.
903 (mon_print_info): Adjust calls.
905 * registers.h, registers.c (register_description): Add phony
906 cycle, insn and stall registers.
908 * psim.c (psim_read_register): Return nr of instructions for given
911 Tue Apr 30 22:09:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
913 * hw_htab.c: New file. Extract contents from disk_table.c.
914 Contains a device that, during initialization will create a
915 PowerPC htab in memory.
916 * hw_register.c: New file. Extract contents from disk_table.c.
917 Contains a device that, during initialization, will parse its
918 property list and use that to initialize various processor
919 registers (not target specific).
920 * hw_vm.c: New file. Extract contents from disk_table.c. Contains
921 a device that handles accesses to invalid virtual memory addresses
923 * hw_init.c: New file. Extract contents from disk_table.c. Misc
924 devices that can initialize memory from a file.
925 * hw_trace.c: New file. Extract contents from disk_table.c.
926 Configure trace options from property values.
928 * Makefile.in (hw_htab.o, hw_register.o, hw_vm.o, hw_init.o,
929 hw_trace.c): Add new device files.
931 * device_table.c: Remove above code, now in separate independant
934 Fri Apr 26 00:00:07 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
936 * hw_disk.c: New file. Disk and CDROM device.
938 * Makefile.in (hw_disk.o): Add device hw_disk.c.
940 * pk_disklabel.c: New file. Implement the miss-named disk-label
943 * Makefile.in (pk.h): Create the file pk.h that contains a list of all
946 * Makefile.in (hw.h, hw.c): Add dependancy on Makefile so that
947 they are re-created when the makefile is updated.
949 * emul_generic.c (emul_add_tree_hardware): Add a disk device
950 (below the iobus) to the device tree. Include an ihandle of
951 the disk as /chosen/disk.
953 * emul_bugapi.c (emul_bugapi_create): Don't initialize the input,
954 output and (new) disk handles yet.
955 * (emul_bugapi_init): Initialize the input, output (and just added)
957 * (emul_bugapi_do_diskio): New. Performs disk i/o (well at least
958 what I think the behavour is).
959 * emul_bugapi.c (emul_bugapi_instruction_call): Add hook to disk
960 i/o bug call. For RETURN call, exit using gpr[3]'s status even
961 though this isn't part of the spec - makes it possible for machine
962 code to signal the aporting of a simulation run.
964 * emul_chirp.c (chirp_emul_call_method): Add support for the
965 claim/release methods.
966 * (chirp_emul_exit): Add an optional exit status argument to
967 the exit method. Makes it possible for chirp emul simulations
968 to abort upon an error.
969 * device.h, device.c (device_instance_claim,
970 device_instance_release): New methods for claiming and releasing
972 * hw_memory.c: add claim and release memory methods.
973 * hw_*: Use the claim memory method when allocating physical
976 Thu Apr 18 23:38:10 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
978 * hw_nvram.c (hw_nvram_update_clock): Use the current not previous
979 time when updating the clock.
981 * hw_nvram.c: Tidy up documentation
983 Fri May 24 10:08:10 1996 Michael Meissner <meissner@tiktok.cygnus.com>
985 * configure.in (AC_STRUCT_ST_{BLKSIZE,BLOCKS,RDEV}): Use these
986 macros to determine whether or not the appropriate st_<xxx> fields
987 exist in the stat structure.
988 (AC_CHECK_FUNCS): Check for all unix system calls used, except for
989 the real basic ones like open, read, write, etc.
990 * config{.in,ure}: Regenerate.
992 * emul_netbsd.c: Add support for missing system calls, and/or
994 (MAXPATHLEN): Undefine if including unistd.h, since sys/param.h
997 * hw_pal.c (WITH_STDIO): Redefine if O_NDELAY, F_GETFL, or F_SETFL
999 (scan_hw_pal): Do not cause syntax error if O_NDELAY, F_GETFL, or
1000 F_SETFL not defined.
1002 Tue May 21 17:24:45 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1004 * emul_netbsd.c (write_stat): Don't convert st_blocks unless the
1007 Thu May 16 10:56:45 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1009 * configure.in (AC_CHECK_HEADERS): Add sys/ioctl.h.
1010 * config{.in,ure}: Regenerate.
1011 * emul_netbsd.c: If HAVE_SYS_IOCTL_H is not defined, don't include
1014 Tue May 7 17:28:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1016 * hw_pal.c (hw_pal_instance_read_callback): Remove unused
1019 * misc.c ({,target_}a2i): Rewrite to not use strtoul.
1021 * Makefile.in ({spreg,misc}.o): Add dependency on .c file.
1022 ({i,d}gen): Don't link in liberity. Use BUILD_LIBS instead of
1025 Mon May 6 11:31:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1027 * hw_pal.c (hw_pal_instance_read_callback): If using stdio, use
1028 fgets to read line. If not using stdio, do a simple blocking read
1031 Fri May 3 15:07:42 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1033 * Makefile.in: Correctly build simulator for build machine != host
1036 Tue Apr 30 18:46:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1038 * configure.in (--enable-hostendian): Rework so the default uses
1039 the AC_C_BIGENDIAN results. Only run AC_C_BIGENDIAN if not cross
1041 * configure: Regenerate.
1043 * sim-endian.h: Add more tests for host endian to support more
1044 platforms in a cross compilation environment.
1046 Wed Apr 17 14:38:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1048 * hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
1049 use stdio, instead of unpended read/printf_filtered.
1050 (hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
1051 flush stdout after writing the characters.
1053 * options.c (print_options): Print out WITH_STDIO.
1055 * Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
1056 configuration variable.
1057 (CONFIG_CFLAGS): Include STDIO_CFLAGS.
1058 (hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
1059 files to contain directory pieces.
1061 * std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
1062 should use stdio for console input.
1063 (WITH_STDIO): If not defined, define as DONT_USE_STDIO.
1065 * configure.in (--enable-sim-stdio): Add new switch to control
1066 whether stdio is used for console I/O.
1067 * configure: Regenerate.
1069 * interrupts.c (external_interrupt): Declare it to be
1070 INLINE_INTERRUPTS, not INLINE_CPU.
1072 Mon Apr 15 23:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1074 * events.c (insert_event_entry): Allow events to be scheduled
1075 *NOW* (at delta time 0). Add assertions to clarify behavour of
1078 * events.c (update_time_from_event): New function. Calculates the
1079 number of ticks from the next event. Use this.
1081 Sun Apr 14 21:39:45 1996 Andrew Cagney <cagney@highland.com.au>
1083 * emul_netbsd.c (do_break): Return 0 if success (instead of
1086 * device_table.c (vm_ioctl_callback): Don't return adjusted break
1089 Sun Apr 14 21:32:41 1996 Andrew Cagney <cagney@highland.com.au>
1091 * device_table.h: Change type of the device ioctl so that it
1092 returns an int (status).
1093 * device.h (device_ioctl): Ditto.
1094 * device.c (device_ioctl): Ditto.
1096 * device_table.c (stack_ioctl_callback): Return 0 status.
1097 (vm_ioctl_callback): Ditto
1099 Sat Apr 13 00:00:24 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1101 * emul_netbsd.c (do_read): Correctly set the return value.
1104 (do_geteuid): Ditto.
1106 (do_getegid): Ditto.
1108 (do_sigprocmask): Ditto.
1111 (do_gettimeofday): Ditto.
1112 (do_getrusage): Ditto.
1116 (do___sysctl): Ditto.
1118 Fri Apr 12 20:56:47 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1120 * device_table.c (vm_ioctl_callback): Don't access the processor
1121 registers directly, instead leave it to the caller to handle this.
1123 * emul_netbsd.c (do_break): Which calls vm_ioctl_callback to
1124 perform a break. Pass in the new break value and set the
1125 registers according to the result.
1127 * emul_generic.c (emul_write_status): Change so that r3 contains
1128 either status or errno and failure is indicated by SO.
1130 Thu Apr 4 23:03:38 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1132 * emul_bugapi.c (emul_bugapi_create): More strict check of OEA
1135 Thu Apr 4 20:58:05 1996 Andrew Cagney <cagney@highland.com.au>
1137 * interrupts.h (interrupts): New structure contains state of
1140 * cpu.c (cpu_interrupts): New function. Pending interrupt status
1141 in the cpu and grant access to it. Add interrupts to cpu
1144 Fri Mar 29 22:09:25 1996 Andrew Cagney <cagney@highland.com.au>
1146 * device.c (device_tree_add_parsed): Check that the creation of a
1147 device instance worked before using it.
1149 * psim.c (psim_halt): Remove cia argument from psim_halt. This
1150 function does not save the CIA so do not pass it in.
1152 Fri Mar 29 21:30:56 1996 Andrew Cagney <cagney@highland.com.au>
1154 * hw_pal.c (hw_pal): Merge the halt and icu and console devices
1155 found in device_table.c into a single hack pal.
1157 * device_table.c (halt, icu, console): Delete.
1159 * Makefile.in (hw_pal.o): New dependency.
1161 * emul_generic.c (emul_add_tree_hardware): Re-arange device tree
1162 so that it uses the pal instead of the icu/halt/console devices.
1163 Wire the pal's interrupt ports up to the cpu nodes.
1165 Fri Mar 29 20:17:17 1996 Andrew Cagney <cagney@highland.com.au>
1167 * hw_iobus.c (hw_iobus_attach_address_callback): Move from
1168 device_table.c to here.
1170 * Makefile.in (hw_iobus.o): New dependency.
1172 Fri Mar 29 12:17:58 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1174 * emul_bugapi.c (_os_emul_data): Add fields for output, input.
1175 (emul_bugapi_create): Create input, output from /chosen/stdin and
1177 (emul_bugapi_do_{read,write}): Switch to use device_instance
1179 (emul_bugapi_instruction_call): Change calls to
1180 emul_bugapi_do_{read,write} to pass device instance argument.
1182 Tue Mar 26 14:57:58 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1184 * igen.c (idecode_switch_end): Fix 2/26 change so that an extra
1185 default is not written out if a default was already written.
1187 * psim.c (psim_{read,write}_register): Use sizeof unsigned_8 to
1188 size cooked_buf, not sizeof natural_word, since floating point
1189 registers are 8 bytes.
1191 Mon Mar 25 22:07:13 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1193 * configure: Regenerate with autoconf 2.9.
1195 Thu Mar 21 00:14:26 1996 Andrew Cagney <cagney@highland.com.au>
1197 * device_table.h: Always include string headers.
1199 Thu Mar 21 00:06:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1201 * main.c (error): Be careful to not try to print out statistics
1202 when the simulation was never created.
1204 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1206 * basics.h: Move the event queue's definition to here so that it
1207 can be refered to globally with out importing all of events.h.
1209 * psim.h, psim.c (psim_event_queue): New function. Grant access
1210 to the simulation event queue. Will make this the single point of
1211 access (there is after all only one event queue in the
1214 * cpu.c (cpu_create): Use psim_event_queue to obtain the event
1215 queue instead of it being passed in. No longer allow access to
1216 the cpu's copy of the event queue.
1218 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1220 * events.h, events.c (event_handler): Remove event_queue from
1221 arguments passed to an event handler. That argument is redundant
1222 - the `data' should refer to a data structure that contains the
1223 event queue if queing is needed.
1225 * cpu.c (cpu_decrement_event): adjust
1227 * events.c (event_queue_process): adjust
1229 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1231 * device.h, device.c (device_system): New, returns a handle for
1232 the system given the device.
1234 * device.c (device_address_init): Store a pointer back to the
1235 system in each devices node.
1237 * device_table.h: Don't pass `system' into each device when it is
1238 being initialized, this is now available using device_system(me).
1240 * device.c (device_address_init, device_data_init): Adjust.
1242 * hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
1245 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1247 * interrupts.c (decrementer_interrupt, external_interrupt):
1248 Remember that an interrupt wasn't delivered so that it can be
1251 * interrupts.c (check_masked_interrupt): New function. (re)
1252 checks for the posibility that a recent change to the MSR may have
1253 made it possible to deliver an interrupt that was previously
1254 masked be the EE bit.
1256 * ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
1257 a pending interrupt being delivered using check_masked_interrupt().
1259 * cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
1260 leaving it to that module to handle both interrupt synchronization
1263 * cpu.c (struct _cpu): remove variables that were going to record
1264 pending decrementer and external interrupts.
1266 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
1268 * hw_cpu.c, hw_cpu.h: New files. Implement a device that sits
1269 between the interrupt controller and the simulators internal
1270 processor model. Maps device interrupts onto the processor
1271 interrupt function calls.
1273 Mon Mar 4 06:06:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1275 * hw_nvram.c: NVRAM device that includes a real-time clock that is
1276 updated each second.
1278 Mon Mar 4 04:18:50 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1280 * device.h (attach_type): Remove attach_default type address
1281 spaces. Will replace with levels of callback memory.
1283 * corefile.h, corefile.c (new_core_mapping), corefile.c
1284 (core_map_attach): Replace default attach with a layerd callback
1287 Sun Mar 3 03:58:46 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1289 * device.c (split_property_specifier): ensure that only a single
1291 (split_value): New function, parses the value part of a device
1294 * device.c (device_tree_add_parsed): Use the interrupt conversion
1295 functions to determine the interrupt port numbers.
1297 * device_table.h: Add table that maps between an interrupts
1298 symbolic name and its port number.
1300 * device.h, device.c (device_interrupt_decode,
1301 device_interrupt_encode): new functions use the recently added
1302 interrupt port name/number tables to perform conversion.
1304 Sun Mar 3 03:23:59 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1306 * device.h, device.c (device_set_array_property,
1307 device_set_boolean_property, device_set_ihandle_property,
1308 device_set_integer_property, device_set_string_property): New
1309 functions - allow the value of a given property to be changed.
1311 * device.h, device.c: Re-order declaration and definition of
1314 Sun Mar 3 03:10:22 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1316 * device.c (device_tree_print_device, device_tree_add_parsed):
1317 Remove references to phandle properties.
1319 Wed Feb 28 00:43:07 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1321 * Makefile.in (corefile.o): missing dependency on device_table.h
1324 Tue Feb 27 23:59:35 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1326 * device_table.h: Revamp device init callbacks so that they are a
1328 * device.c (device_init_data, device_init_address): If an init
1329 callback is NULL assume it should do nothing.
1330 * device_table.c (ignore_device_init, unimp_device_init): delete
1332 * device_table.c, hw_memory.c: adjust.
1336 * (device_instance): ditto.
1338 * (address nee config_address): ditto.
1339 * (interrupt): ditto.
1341 Mon Feb 26 21:11:20 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1343 * igen.c (idecode_switch_end): Output a default entry when the
1344 switch statement is perfect. Firstly stops GCC complaining about
1345 an incomplete switch and secondly it will be eliminated by a good
1348 Mon Feb 26 22:47:15 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1350 * Makefile.in (hw.h, hw.c): New targets. Create from the list of
1351 hw_*.c files. hw.h declares a device descriptor table for each hw
1352 device while hw.c lists those tables in a form suitable for the
1353 construction of a top leveltable in device_table.c.
1355 * Makefile.in (device_table.o): now depends on hw.c a generated
1358 * device_table.c (device_table): Re-arange the table of devices so
1359 that two levels are possible. Make use of hw.c.
1360 * device_table.h: ditto.
1362 * device.c (device_template_create_device): Handle new two level
1363 device lookup table.
1364 * device.c (device_usage): ditto.
1366 Mon Feb 26 22:24:00 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1368 * device_table.c: Delete the memory device (moved to hw_memory.c).
1370 * hw_memory.c: New file. Just an OpenBoot memory device.
1372 Wed Jan 17 21:47:34 1996 Andrew Cagney <cagney@highland.com.au>
1374 * device.c (device_init_address): New. Split initialization into
1375 two stages, address and address spaces
1376 * device.c (device_init_data): New. ... and data or other work.
1377 With out this, devices try to modify memory before it as been
1380 * device.c (device_tree_init): Update to perform staged
1383 * device.c (device_init): Delete.
1385 Wed Jan 17 21:43:09 1996 Andrew Cagney <cagney@highland.com.au>
1387 * device_table.c (data_*): Rewrite to make heaver use of property
1388 nodes. Allow initialization by different data types.
1389 * device_table.c (htab_* pte_*): Rewrite to use properties.
1391 * emul_chirp.c (emul_chirp_create): Use
1392 * emul_bugapi.c (emul_bugapi_create): Ditto
1393 * emul_netbsd.c (emul_netbsd_create): Ditto
1395 Wed Jan 17 21:24:50 1996 Andrew Cagney <cagney@highland.com.au>
1397 * emul_generic.c (emul_add_tree_options): Annotate existing tree
1398 with options that haven't yet been specified.
1399 * emul_generic.c (emul_add_tree_hardware): Annotate existing tree
1400 with demo devices and properties.
1402 * emul_chirp.c (emul_chirp_create): Update to use new
1403 device_tree_add_parsed call and additional information now
1404 included in the device tree. Use emul_add_tree* functions to add
1405 any missing details.
1406 * emul_bugapi.c (emul_bugapi_create): Ditto
1407 * emul_netbsd.c (emul_netbsd_create): Ditto
1409 Wed Jan 17 21:18:27 1996 Andrew Cagney <cagney@highland.com.au>
1411 * device.c (device_instance_create): New. Create/delete and
1412 operate on instances of a device.
1413 * device.c (device_instance_delete): Ditto
1414 * device.c (device_instance_read): Ditto
1415 * device.c (device_instance_write): Ditto
1416 * device.c (device_instance_seek): Ditto
1417 * device.c (device_instance_data): Ditto
1418 * device.c (device_instance_name): Ditto
1419 * device.c (device_instance_path): Ditto
1421 * emul_chirp.c (chirp_emul_open): Implement using device_instance.
1422 * emul_chirp.c (chirp_emul_close): Ditto
1423 * emul_chirp.c (chirp_emul_read): Ditto
1424 * emul_chirp.c (chirp_emul_write): Ditto
1425 * emul_chirp.c (chirp_emul_seek): Ditto
1427 * emul_chirp.c (chirp_read_t2h_args): Read arguments from device.
1428 Being careful to convert all from target to host byte order.
1429 * emul_chirp.c (chirp_write_h2t_args): Converse.
1431 Wed Jan 17 20:07:15 1996 Andrew Cagney <cagney@highland.com.au>
1433 * device.c (device_tree_add_parsed): New. Rewrite code to add
1434 devices to the device tree so that a single printf style function
1437 * device.c (device_tree_add_*): Delete. Replaced by above.
1439 * device.c (split_device_specifier): Functions to manipulate a
1440 device specifier (path) breaking it into its components
1441 * device.c (split_property_specifier): Ditto
1442 * device.c (split_device_name): Ditto
1443 * device.c (split_find_device): Ditto
1445 * device.c (scan_*): Delete
1447 * device.c (device_tree_find_device): Rewrite to use above.
1448 * device.c (device_add_property): Ditto
1450 Wed Jan 17 19:51:56 1996 Andrew Cagney <cagney@highland.com.au>
1452 * psim.c(psim_options): Parse the psim options, installing their
1453 value in the device tree. Options are now first entered into a
1454 device tree and then extracted out again when needed. This allows
1455 greater flexability in configuration.
1457 * psim.c (psim_tree): Returns a basic device tree ready for
1458 parsing by psim_options.
1459 * psim.c (psim_usage): New. Give usage to varing levels of detail
1460 according to the verbosity. In turn output device and trace
1463 * main.c (main): Update to use new system
1464 * sim_calls.c (sim_open, sim_do_command): Ditto
1466 * psim.c (psim_options): Add `r' option - ram size.
1467 * psim.c (psim_options): Add `o' option - openboot tree entry.
1468 * psim.c (psim_options): Add `h'/`H' options - more help.
1470 * debug.c (trace_usage): Add more detailed help.
1471 * device.c (device_usage): New. Output help including a list of
1472 the devices currently available in the device table.
1473 * device_table.c: Add usage operator to each device.
1475 * corefile.c (core_create, core_device_create): Adjust so that the
1476 core device is created earlier for psim_tree(). Core can later be
1479 * psim.c (psim_create): Update to handle above way of creating
1480 things. Extract all information from the device tree.
1482 * device_tree.c (trace_*): New device node, its properties are
1483 used to set the value of the trace options. Init this device (in
1484 psim_options) when ever the options are updated.
1486 Wed Jan 17 19:46:07 1996 Andrew Cagney <cagney@highland.com.au>
1488 * debug.h: Add trace_print_info, trace_print_device_tree and
1489 trace_dump_device_tree. The first is a replacement for the
1490 variable `print_info' found in main.c and sim_calls.c. The latter
1491 two enable the dumping of the entire device tree.
1493 * debug.c: Add to trace_description table.
1495 * main.c (main): Use above trace instead of local variable
1496 * sim_calls.c (sim_close): Ditto
1498 * device.c (device_tree_print_device): New. Prints the device
1499 tree in a format that is consistent with what can be parsed by the
1500 device tree load from file code.
1502 * psim.c (psim_create): Dump device tree if enabled. If nump
1503 selected, exit psim immediatly.
1505 Wed Jan 17 19:36:52 1996 Andrew Cagney <cagney@highland.com.au>
1507 * corefile-n.h (core_map_read_N): When mapping from an address to
1508 a device, do not subtract the devices base. The device its self
1509 can do this. Brings the behavour into line with OpenBoot.
1510 * corefile-n.h (core_map_write_N): Ditto
1511 * corefile.c (core_map_read_buffer): Ditto
1512 * corefile.c (core_map_write_buffer): Ditto
1514 * device_table.c (console_io_read_buffer_callback): Adjust to
1515 handle biased address.
1516 * device_table.c (console_io_write_buffer_callback): Ditto
1518 Wed Jan 17 18:36:09 1996 Andrew Cagney <cagney@highland.com.au>
1520 * device.c (attach_device_interrupt_edge): New. Interrupt model
1521 did not allow interrupts to be wired up as a general net (edges).
1522 Re-implement so that interrupt events can be passed to multiple
1523 controllers and interrupt controllers can further propogate
1526 * device.c (attach_device_interrupt_edge) : New, Ditto
1527 * device.c (detach_device_interrupt_edge) : New, Ditto
1528 * device.c (clean_device_interrupt_edges) : New, Ditto
1529 * device.c (device_interrupt_event) : New, Ditto
1530 * device.c (device_interrupt_attach) : New, Ditto
1531 * device.c (device_interrupt_detach) : New, Ditto
1532 * device.c (device_child_interrupt_attach) : New, Ditto
1533 * device.c (device_child_interrupt_detach) : New, Ditto
1535 * device.c (device_attach_interrupt) : Delete old
1536 * device.c (device_detach_interrupt) : Delete old
1537 * device.c (device_interrupt) : Delete old
1538 * device.c (device_interrupt_ack) : Delete old
1540 * device_table.c (unimp_*) : Update to match
1542 * device_table.c (icu_io_write_buffer_callback) : Update to use
1544 * device_table.c (icu_interrupt_event_callback) : Ditto
1546 Wed Jan 17 18:18:40 1996 Andrew Cagney <cagney@highland.com.au>
1548 * device.c (external_to_device) : New function that provides a
1549 standard mapping between a devices internal representation (a
1550 pointer) and its external (or what is passed to a client)
1551 representation (a phandle). Implement using the cap object
1552 attached to the root node.
1554 * device.c (device_to_external) : Ditto
1555 * device.c (external_to_device_instance) : Ditto but for ihandle
1556 and device instance.
1557 * device.c (device_instance_to_external) : Ditto
1559 * Makefile (device.o): Add dependency on cap.
1561 * emul_chirp.c (struct _emul_chirp_data) : Elimate use of cap. Code
1562 needing to translate between internal and external representations
1563 changed to use the external_to_device et.al. device operations.
1564 * emul_chirp.c (chirp_emul_*) : Ditto
1566 * Makefile (emul_chirp.o): Remove dependency on cap
1568 Sat Jan 6 10:13:26 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
1570 * emul_chirp.c (map_over_chirp_note): Tighten up (and fix) checks
1571 on OpenBoot note section.
1573 Fri Jan 5 20:28:53 1996 Andrew Cagney <cagney@hignland.com.au>
1575 * emul_generic.c (emul_write_buffer): Use vm faulting byte
1576 read/write calls for buffer transfers. This will cause a fault to
1577 occure if the transfer fails. CHRP catches the fault while the
1578 others suffer the consequences.
1579 (emul_read_buffer): Ditto.
1580 (emul_write_word): Ditto.
1581 (emul_read_word): Ditto.
1582 (emul_read_string): Ditto.
1584 Fri Jan 5 18:55:34 1996 Andrew Cagney <cagney@highland.com.au>
1586 * emul_chirp.c (emul_chirp_create, emul_chirp_instruction_call),
1587 emul_generic (emul_blr_instruction): Use a real blr instruction to
1588 return from a client service call.
1590 * emul_chirp.c (services): Add all OpenBoot services to table.
1592 * emul_generic.h, emul_bugapi.c (emul_bugapi_create), emul_chirp.c
1593 (emul_chirp_create) : Use names instead of numbers for
1594 instructions being stored in memory.
1596 Fri Jan 5 18:52:28 1996 Andrew Cagney <cagney@highland.com.au>
1598 * Makefile.in (maintainer-clean): Remove .log, core and *.core
1599 (From NetBSD) files.
1601 Wed May 29 22:57:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
1603 * ChangeLog.00, ChangeLog: ChangeLog from gdb-4.16 becomes