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34452aa40a
binutils-gdb/sim/ppc/ChangeLog
David Edelsohn 34452aa40a * Makefile.in (LIBCOMMON): Define. 
($(TARGETLIB)): Add files from $(LIBCOMMON).
1996-11-20 10:02:44 +00:00

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Wed Nov 20 00:36:55 1996 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in (LIBCOMMON): Define.
($(TARGETLIB)): Add files from $(LIBCOMMON).
* sim_calls.c (sim_resume): Reset sim_should_run if single stepping.
Fri Nov 15 15:23:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* pk_disklabel.c (pk_disklabel_create_instance): Fix up some
warnings generated by GCC.
Fri Nov 1 14:42:57 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* mon.c (_cpu_mon): Add fields for counting 1, 2, 4, and 8 byte
reads and writes.
(mon_{read,write}): Count 1, 2, 4, and 8 byte reads/writes.
(mon_print_info): Correct typo regarding # of unaligned reads and
writes. Print out how many 1, 2, 4, and 8 byte reads/writes there
are.
Tue Oct 29 17:55:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* configure.in (AC_CHECK_FUNCS): Add access.
* config{.in,ure}: Regenerate.
* emul_unix.c (do_unix_nop): System call that always succeeds.
(do_unix_access): Support access system call.
(solaris_descriptors): Make sigaltstack and sigaction nops.
({solaris,linux}_descriptors): Add support for access.
Fri Oct 18 12:12:21 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* ppc-instructions (Floating Select): Add support for fsel unless
model is 601. Allow user to filter out instruction unless -Fs is
passed to igen.
(Store Floating-Point as Integer Word Indexed): Raise optional
instruction program abort. Allow user to filter out instruction
unless -Fs is passed to igen.
(Floating Square Root{, Single}): Ditto.
(Floating Reciprocal Estimate Single): Ditto.
(Floating Reciprocal Square Root Estimate): Ditto.
* configure.in (--enable-sim-filter): If not passed, pass 32,f,s
to igen.
* configure: Regenerate.
* interrupts.h (program_interrupt_reasons): Add
optional_instruction_program_interrupt.
* interrupts.c (program_interrupt): Call error with more detailed
information on program interrupts, particularly in user mode. Add
support for optional_instruction_program_interrupt.
Thu Oct 3 16:15:20 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
* Makefile.in (clean): Move config.log to distclean.
Thu Sep 19 14:40:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* debug.h: Add disklabel-package and disk-device trace options.
debug.h (PTRACE): Add macro to simplify tracing in packages.
Thu Sep 19 14:40:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.c (device_create_instance_from): Tighten up loop
searching for device instances.
(device_instance_delete): Ditto.
(device_instance_delete): Only leaf instances need to be removed
from a devices list of active instances.
Thu Sep 19 14:40:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* hw_disk.c: Add the cdrom as an alias.
* pk_disklabel.c (disklabel_delete): Implement, remembering to
delete the raw disk instance while we're at it.
* pk_disklabel.c (pk_disklabel_create_instance): Implement a
little bit more - still a long way to go.
* pk_disklabel.c (disklabel_write, disklabel_read): Remember the
new head position after a read or write.
Thu Sep 19 13:05:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* emul_chirp.c (chirp_emul_read): Allow reads to be longer then
the internal buffer.
Thu Sep 19 13:05:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* emul_chirp.c (chirp_read_t2h_args): Call memset-0 with the args
in the correct order.
* emul_chirp.c (chirp_emul_call_method): Correct computation for
the address of the first stack argument passed in from the client
program.
Wed Sep 18 19:33:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* words.h: Add new types signed_cell and unsigned_cell which
correspond to the signed and unsigned IEEE 1275 memory locations.
* device.h, device.c, emul_chirp.c: Where refering to an IEEE 1275
memory cell, replace uses of unsigned32 with unsigned_cell.
* device_table.h: Ditto.
* sim-endian.h: Add new macros H2BE_cell and BE2H_cell which
convert cell sized values to from big endian.
* device.c, emul_chirp.c: Where refering to IEEE 1275 memory cells
use these new macros.
Tue Sep 17 15:57:44 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.c (device_tree_add_parsed): Detect and report an
interrupt being attached to an invalid device. Was dumping core.
Mon Sep 16 23:09:12 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.h, device.c (device_address_to_attach_address,
device_size_to_attach_size): New functions. Convert a devices
unit address or unit size structure into a form suitable for
passing on to the attach and detach functions.
* device_table.h: Add extra methods to device table.
* device.h, device.c (device_find_reg_property): New function.
For a reg type property, return the selected address + size
tupple, along with a positive success status. Add a reg_property
to the list of property types.
* (device_tree_add_parsed): Make array properties with the name
reg or alternate-reg of type reg_property.
* hw_memory.c (hw_memory_init_address): Rewrite to use new
find_reg_property method.
* hw_nvram.c (hw_nvram_init_address): Ditto.
* device.c (device_tree_print_device): Add code to print out a reg
property.
* device_table.c (generic_device_address_to_attach_address,
generic_device_size_to_attach_size ): New functions. Generic
functions for converting between unit and attach address or size.
* device_table.c (generic_device_init_address): Rewrite to use the
new find_reg and address convert functions. Look for both reg and
alternate-reg properties.
Mon Sep 16 23:09:12 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* hw_com.c: New file. A '550 serial device that can quickly be
attached to any bus.
* configure.in (enable-sim-hardware): Add the com device.
* configure: re-generate.
Thu Sep 12 17:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.c (device_tree_verify_reg_unit_address): New
function. Check that the unit address as specified by the reg
property correctly corresponds to any unit address previously
specified by the devices name.
(device_tree_add_parsed): When adding a reg property, verify
that the unit-address - first value of property - correctly
matches any previous value specified when creating the device
node.
Thu Sep 12 17:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* mon.c (mon_event): Remove assertion that an unsigned is >= 0.
Fri Aug 16 12:05:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* device.c (device_full_name): Cast strdup to char *, since AIX
3.2.5 mistakenly declares the function to be const char *.
(device_create_from): Ditto.
(device_create_instance_from): Ditto.
(device_add_property): Ditto.
Tue Aug 13 11:40:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* debug.c (trace_option): For -t all, do not set the
trace_dump_device_tree flag, so that the simulator is run.
Tue Aug 13 11:40:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* Makefile.in (options.o): Depend on defines.h.
(defines.h): New rule, go through config.h and make strings of all
of the #define HAVE_xxx macros.
(distclean): Remove defines.h.
* options.c (print_options): Print whether many of the
configuration macros are defined.
* main.c (main): If -t options and no filename, just print the
options, and don't print the usage message.
Mon Aug 12 18:42:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* configure.in: Test whether /dev/zero works on the system, and if
it does, define HAVE_DEVZERO.
* configure: Regenerate.
* emul_generic.c (emul_add_tree_hardware): Do not add /iobus/disk
if we don't have a working /dev/zero on the system.
* emul_bugapi.c (emul_bugapi_init): If HAVE_DEVZERO is not
defined, don't add disk support.
(emul_bugapi_do_diskio): Ditto.
(emul_bugapi_instruction_call): Ditto.
Wed Aug 7 14:34:20 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* emul_unix.c (HAVE_TCGETATTR): If HAVE_TERMIOS_STRUCTURE is not
defined, make sure HAVE_TCGETATTR is #undef'ed
Wed Aug 7 14:34:20 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* std-config.h (REGPARM): Only define REGPARM attributes if using
GNU C. Test for __i686__ in case GCC ever defines it. If not on
a x86 platform, define REGPARM as nothing.
* sim-endian.h (WITH_HOST_BYTE_ORDER): Test for i686 and __i686__
also.
Wed Aug 7 20:19:55 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* ld-decode.h, ld-decode.c: Rename goto_gen to the more correct
goto_switch_gen.
* gen-idecode.c: Ditto.
* gen-idecode.c (print_idecode_table): Comment out check for
switch/table combination until a bug with it is fixed.
* ppc-opcode-goto: New file. Like complex and flat but uses
goto-switch instead of padded-switch for the tables.
* gen-idecode.c (print_goto_switch_name): New function.
(print_goto_switch_table_leaf): New function.
(print_goto_switch_break): New function.
(print_goto_switch_table): New function. Prints a jump table
that can be jumped into instead of a switch statement.
* gen-idecode.c (*switch_*): As an option output a switch that is
implemented using a jump table but only if the switch is not
boolean.
Tue Aug 6 09:28:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* configure.in (--enable-sim-{hardware,packages}): Fix typos.
* configure: Regenerate.
* device.c (device_instance_call_method): Fixup format message in
error case. Return 0 in case of error to shut up compiler
warnings.
Wed Aug 7 00:17:37 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device_table.c (generic_device_unit_decode): Require a comma
between elements of a unit address.
* device.c (device_tree_print_device): For reg, alternate-reg and
ranges properties use special print functions.
(device_print_ranges_property): Print formatted ranges property.
(device_print_reg_property): Print formatted reg property.
Tue Aug 6 21:35:18 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.c (device_tree_add_parsed): For reg, ranges and
alternate-reg properties use a special parser.
(device_tree_parse_reg_property): New function to parse a reg
property.
(device_tree_parse_ranges_property): New function to parse a
ranges property.
(device_encode_unit): Wrapper for encode_unit callback.
(device_decoce_unit): Wrapper for decode_unit callback.
Wed Jul 31 00:02:30 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device_table.h (device_instance_callbacks): Relace the claim and
release methods with a more general table mapping from method-name
to method-function.
* device.c (device_instance_call_method): New function. Implement
the OpenBoot call-method client interface. Attempts to locate the
instances method in the callback table.
(device_instance_claim, device_instance_release): Delete.
Replaced with call-method and a lookup table.
* emul_chirp.c (chirp_emul_call_method): Use the new device
instance call method and let that handle a client claim call.
* hw_htab.c (claim_memory): Wrapper function to call the memory
devices "claim" method using the new device-instance call-method
interface. Replaces the previous direct calls to claim.
(htab_map_region): Use claim_memory.
(htab_init_data_callback): Ditto.
* hw_memory.c (hw_memory_instance_claim): Update function
interface so that it is compatible with call-method.
(hw_memory_instance_release): Ditto.
(hw_memory_instance_methods): New table of memory specific
methods claim and release. Add to the hw_memory_callback
table.
Tue Jul 30 21:26:14 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* psim.c (psim_init): Back out of change to initial value of
system->last_cpu.
Tue Jul 30 21:12:24 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* sim_callbacks.h (sim_io_printf_filtered): Replace
printf_filtered with a local simulator specific version. Add
#define printf_filtered to simplify updating of existing code.
* sim_callbacks.h (sim_io_write_stdout, sim_io_read_stdin,
sim_io_write_stderr): New functions. Read / write to the
simulations stdin and stdout and stderr interfaces. Merge in code
from hw_pal that previously handled async I/O.
(sim_io_flush_stdoutput): Rename flush_stdoutput. Add #define
flush_stdoutput to simplify updating of existing code.
* hw_pal.c (scan_hw_pal, write_hw_pal,
hw_pal_instance_write_callback): Use the new sim_io functions.
* main.c: Implement standalone versions of the new sim_io
functions. Include support for async I/O.
* sim_calls.c: Ditto. This time using the gdb callback table.
* std-config.h (CURRENT_STDIO, current_stdio): New macro. Set up
stdio configuration so that it works in the same way as the rest
of the simulation.
* psim.c (psim_create): Initialize current_stdio from the device
tree.
* emul_generic.c (emul_add_tree_options): Enter a default value
for use-stdio in the device tree.
Fri Jul 26 19:43:03 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* gen-idecode.c (print_jump): Was always generating a jump back to
idecode. Only necessary at tail of semantic code.
(print_jump): Was always setting the processor's cia, even during
startup when the processor was still undefined.
(print_jump): For safety, restart smp loop when cpu_nr >= nr_cpus,
not just equal.
* options.c (print_options): Add printing of WITH_REGPARM and
WITH_STDCALL.
* std-config.h (WITH_REGPARM, WITH_STDCALL): Provide default
(disabled) values if not defined.
Fri Jul 26 00:36:35 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* ppc-cache-rules (cache): Change RS and RB to cache instead of
compute. The block move instructions use them.
* idecode_expression.h (FPSCR_SET): New macro, set specific FPSCR
register.
(CR_FIELD): New macro, extract specific CR register.
(FPSCR_FIELD): New macro, extract specific FPSCR register.
* registers.h (GPR): New macro, simplify accesses to GPR[i].
* bits.c (INSERTED): Covert INSERTED macro into a function.
(EXTRACTED): Conditionally compile on correct bit size macro.
* bits.h (BIT8): New macro, set a single bit in an 8 bit byte.
* ppc-instructions: With hints from Paul Martin, type in missing
some instruction semantics. Leave disabled for the moment.
(Load Multiple Word): Ditto.
(Store Multiple Word): Ditto.
(Load String Word Immediate): Ditto.
(Load String Word Indexed): Ditto.
(Store String Word Immedate): Ditto.
(Store String Word Indexed): Ditto.
(Move to Condition Register from XER): Ditto.
(Move From Condition Register): Ditto.
(Move From FPSCR): Ditto.
(Move to Condition Register from FPSCR): Ditto.
(Move To FPSCR Field Immediate): Ditto.
(Move To FPSCR Fields): Ditto.
(Move To FPSCR Bit 0): Ditto.
(Move To FPSCR Bit 1): Ditto.
Thu Jul 25 22:10:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* std-config.h (SEMANTICS_INLINE): By default, mask out the
inlining of semantic functions from DEFAULT_INLINE. Almost all
configurations call the semantic code via a pointer so there is
little benefit.
* std-config.h (ICACHE_INLINE): Ditto.
Thu Jul 25 20:07:30 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* configure.in (sim_regparm): Add configuration option for
enabling GCC's regparm attribute.
* (sim_stdcall): Add configuration option for enabling GCC's
stdcall attribute.
* Makefile.in (REGPARM_CFLAGS): Pass regparam configuration onto
compilations.
* (STDCALL_CFLAGS): Pass stdcall configuration onto compilations.
* std-config.h (REGPARM): Extend construction of REGPARM macro so
that it can include __stdcall__ function attribute.
Wed Jul 24 19:04:20 1996 Andrew Cagney <cagney@sawnoff>
* options.c (print_options): Include SUPPORT_INLINE in information
dump.
* gen-idecode.c (print_run_until_stop_body): Only generate loop
termination test if creating idecode_run_until_stop. Push the
loop termination test back into each alternative branch.
Wed Jul 24 15:47:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* gen-icache.c (print_icache_function): Have the cache function
always update the cache_entries semantic and address fields.
* gen-idecode.c (print_idecode_switch_illegal): Include a break
when generating illegal instructions. This was commented out
which is a hangover from looking a at switch statements generated
using indirect jumps.
Tue Jul 23 20:57:01 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* igen.c (print_my_defines): Replaces print_define_my_index.
Print both a definition for MY_INDEX and MY_PREFIX.
* gen-icache.c (print_icache_function): Adjust.
* gen-idecode.c (print_jump_insn): Adjust.
* gen-semantics.c (print_c_semantic): Adjust.
* gen-support.c (gen_support_h): Add optional include to created
support.h so that, like cpu, it is optionally inlined for all
modules that include it.
* inline.h, inline.c: Adjust so that support.[hc] is handled the
same as cpu.[hc].
* idecode_fields.h (LABEL, GOTO): Macro's that create a unique
name for a lable and then branch to it.
* ppc-instructions (convert_to_integer, Floating Round to
Single-Precision, Floating Convert from Integer Doubleword): Use
LABEL and GOTO instead of the recently added switch statements.
Wed Jul 24 14:02:42 1996 Andrew Cagney <cagney@sawnoff.highland.com.au>
* gen-idecode.c (print_run_until_stop_body): Too many rparen in
generated code.
Tue Jul 23 20:57:01 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* configure.in (--enable-sim-line-nr): Typo - sim_line-nr.
* (--enable-sim-inline): Reorder patern matching of arguments so
that SUPPORT=ALL_INLINE is reconized as *=* and not *_INLINE.
* configure: rebuild.
Mon Jul 22 23:25:08 1996 Andrew Cagney <cagney@highland.com.au>
* configure.in (--enable-sim-hardware, --enable-sim-packages): New
configuration options. Let the user specify the packages or
hardware devices that are to be included in the build. Makes it
possible for user packages to be specified.
* Makefile.in (tmp-pk, tmp-hw): Just use the list of packages and
hardware instead of checking it using ls. configure.in should
have taken care of any problems.
(HW_SRC, HW_OBJ, PACKAGE_SRC, PACKAGE_OBJ): Set by configure.
Mon Jul 22 22:38:59 1996 Andrew Cagney <cagney@highland.com.au>
* psim.c (psim_options): Enter the argument to the memory size
option directly into the device tree. Was using atol() which is
dangerously non portable.
Mon Jul 22 22:17:08 1996 Andrew Cagney <cagney@highland.com.au>
* configure.in (icache): Extend icache flag to include an insn
option. If specifyed the insn - aka instruction - is included in
the instruction cache. Make this the default.
* configure: re-generate.
* igen.c (main), igen.h: Add option -S - inSn - for specifying
that the instruction should be included in the icache.
* gen-icache.c (print_icache_body): If enabled, output code to put
the instruction into the icache.
(print_icache_struct): If enabled, add insn to the icache struct.
Mon Jul 22 20:46:12 1996 Andrew Cagney <cagney@highland.com.au>
* Makefile.in (BUILD_CFLAGS): Include -g when building the
generators.
Mon Jul 22 20:00:25 1996 Andrew Cagney <cagney@highland.com.au>
* emul_generic.c (emul_add_tree_options): Was incorrectly setting
the strict-alignment option when hardwired for non-strict
alignment.
Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* gen-semantics.c: Make the my_index variable a macro MY_INDEX.
* ppc-instructions: Adjust so that references are to MY_INDEX and
not my_index.
Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* gen-idecode.c: Output the complete run_until_stop function
instead of just the code to handle a single instruction issue.
* : Have the generated idecode.c include inline.c (instead of psim.c).
* std-config.h: Change psim.c so that it isn't inlined (as this is
no longer needed).
* psim.c (run_until_stop): Delete the old run_until_stop function
instead calling the idecode_run and idecode_run_until_stop
functions that gen-idecode.c is now creating.
Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* dgen.c: Maintenance - update to use new features found in lf.c.
* filter_filename.c (filter_filename): Maintenance - make the
string constant.
Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* debug.c (TRACE, ITRACE, DTRACE): Have GCC instead of CPP
eliminate trace statements.
* debug.c: Change trace format so that it is consistent
(file:line-nr) with CC's error output.
* gen-itable.c (itable_c_insn): Add the source file name and
source line number to the instruction's informational entry.
* debug.c (ITRACE): Use the itable (and my_index) to get the
current instructions name and source line number.
* gen-semantics.c, gen-icache.c: Adjust generated ITRACE calls to
match new interface.
* emul_bugapi.c (emul_bugapi_instruction_call): Adjust
corresponding call to ITRACE so that it still matches.
* idecode_expression.h (ALU_END, CR0_COMPARE): Use TRACE instead
of ITRACE. The CPP line directives would have previously set the
line-nr and file name so ITRACE isn't needed.
Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* gen-idecode.c (print_jump_until_stop_body): New function and
idecode generation option. Instead of generating and calling
separate functions containing the semantic and icache code
generate a single monolythic function and use goto's (and GCC's
indirect jump) to move between code blocks.
* Makefile.in: Add sim_jump flag to those passed to igen.
* configure.in: New option --enable-sim-jump (default disabled)
* ppc-instructions: Eliminate any uses of labels and goto's.
These result in duplicate declarations when a single flat function
is being create.
* ppc-opcode-jump: New file. Set of opcode rules useful when
testing jumping idecodes.
Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* gen-idecode.c: Optionally include the semantic code for an
instruction in the function that is doing the decoding.
* igen.c: Add option (-C) to generate semantics in the instruction
decode functions.
* configure.in (--enable-sim-icache): Accept an option list such
as 1024,define. Add a new choice to the list - semantic - which
will cause igen to generate instruction decode functions that
include the corresponding semantic code.
Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* configure.in: New option --enable-sim-line-nr (default enabled).
Enable/disable the inclusion of CPP line directives in the
generated files. Such directives refer back to the source files
used when generating the simulator code.
* Makefile.in (sim_line_nr): Pass to igen.
Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* igen.c (main): Revamp the options so that more letters are
available.
* configure.in: Adjust to match igen's revamped options
Sun Jul 21 21:18:05 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* Makefile.in (pk.h, hw.h): Rewrite depenencies for hw.h (etc) so
that they use the same technique as igen (ie a dummy targets
tmp-pk and tmp-hw are created).
Mon Jun 24 22:28:00 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* Makefile.in (BUILD_CFLAGS): Include WARNING_CFLAGS.
Wed Jun 19 21:45:28 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* ld-cache.[hc], ld-decode.[hc], ld-insn.[hc]: New files. Separate
out the loading of each of the tables from the rest of igen.
* Makefile.in: Adjust.
* igen.c: Adjust.
* gen-icache.[hc], gen-idecode.[hc], gen-itable.[hc],
gen-model.[hc], gen-semantics.[hc]: New files. Separate out the
code creating each separate set of generated files.
* Makefile.in: Adjust.
* igen.c: Adjust.
* gen-support.[ch]: New files. Output the support functions (found
in the ppc-instructions file) into a separate file.
* Makefile.in: Add.
* inline.h, inline.c: Add.
* std-config.h: Add.
* ld-cache.c: Re-design the cache table format.
* ppc-cache-rules: Update to new format.
* ld-decode.c: Re-design the decode table format.
* ppc-opcode-simple: Update to new format
* ppc-opcode-complex: Ditto
* ppc-opcode-flat: Ditto
* filter.h, filter.c: New files. Separate the opcode filter table
reading code from the rest of igen.c. Re-design the filter so that
it works inclusivly not exclusivly.
* igen.c: Remove the opcode filter table loading code.
* Makefile.in (filter.o): Adjust
* configure.in: Adjust filter flag so that default includes 32bit
and floating point.
* ppc-instructions: Clean up filter fields so that only in use
entries are specifed (ie delete `be').
* misc.c (name2i, i2name): New function. Map between a string and
an integer value.
Mon Jun 17 20:08:03 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* sim_calls.c (sim_close): If simulator not created, skip printing
of run information.
Mon Jun 17 20:08:03 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* registers.c (register_description): Typo, insns not insn.
* ppc-instructions (model_get_number_of_stalls): New model function,
returns number of stalls for the specified processor.
* psim.c (psim_read_register): Add call to new function
model_get_number_of_stalls().
* ppc-instructions (model_get_number_of_cycles): New model function,
returns number of stalls for the specified processor.
* psim.c (psim_read_register): Add call to new function
model_get_number_of_cycles().
Fri Jun 14 00:11:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device_table.h: Don't pass the parent device into a devices
create function. This makes the create function consistent with
the documentation.
* device.c (device_template_create_device): Ditto
* hw_pal.c (hw_pal_create): Ditto
* hw_core.c (hw_core_create): Ditto
* hw_vm.c (hw_vm_create): Ditto
* hw_disk.c (hw_disk_create): Ditto
* hw_nvram.c (hw_nvram_create): Ditto
* hw_memory.c (hw_memory_create): Ditto
* hw_cpu.c (hw_cpu_create): Ditto.
* device.c (split_find_device): Allow a null initial parent device.
(device_template_create_device): Ditto.
* device.c (device_create_from): Make local (static) only used
within device.c.
* device_table.h: typedef device_callbacks moved here (from
device.h) where it belongs.
* hw_core.c: New file. Implements just the core device using the
core object.
* corefile.c: Moved all core device functions into the new
hw_core.c file. core_device_create() disapears.
* psim.c (psim_tree): Use device_tree_add_parsed() to create the
core device.
Thu Jun 13 00:09:29 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* hw_init.c: Correct typo in comment.
* corefile.c (core_init): Remove any remaining references to a
default map.
(core_map_find_mapping): Ditto.
Wed Jun 12 22:30:32 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* corefile.c (core_init): Make function global so that other
devices are able to use the full core object.
* corefile.c (core_create, core_from_device): Break core_create
into two functions. The first creates a core object, the second
returns the core object associated with a core device.
* corefile.c (core_device_create): Use core_create to make the
core object.
* psim.c (psim_create): Use core_from_device() instead of
core_create().
* device.c (device_template_create_device): Make static as only
needed by functions internal to device.c.
Fri Jun 7 23:47:18 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* ppc-opcode-test-2: Remove description of fields.
* ppc-opcode-complex: Ditto
* ppc-opcode-flat: Ditto
* ppc-opcode-simple: Ditto
* ppc-opcode-stupid: Ditto
* ppc-opcode-test-1: Ditto
* ppc-cache-rules: Ditto
* igen.c: Add description of files as a comment at the front.
Wed Jun 26 12:50:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* configure.in: Check for whether the termios and termio
structures are really defined, and whether or not, they define the
c_line field.
* configure: Regenerate.
* Makefile.in ({,TERMIO_}CFLAGS): Add TERMIO_CFLAGS options set by
configure.
* emul_unix.c: Various changes to allow for building on systems
with different termio and termios structures. If host has both
termio and termios, just use termios. No longer include
sys/ioctl.h.
Wed Jun 26 12:26:55 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
* Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
(docdir): Removed.
* configure.in (AC_PREREQ): autoconf 2.5 or higher.
(AC_PROG_INSTALL): Added.
* configure: Rebuilt.
Wed Jun 5 23:53:42 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* corefile.h: Rewrite documentation so that it can be extracted and
converted into texinfo (and hence ready for translation into html,
tex or nroff).
* device.h: Ditto
Thu Jun 6 09:52:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* hw_disk.c (SEEK_SET): If SEEK_SET is not defined, define as 0.
Wed Jun 5 11:46:52 1996 Andrew Cagney <cagney@puddin>
* hw_disk.c: Include <unistd.h> if available. Under SunOS, that
is the source of SEEK_SET.
Wed Jun 5 01:39:07 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* psim.c (psim_options): Correct type of dummy arguments being
passed to a device_ioctl call.
* hw_init.c (hw_data_init_data_callback): Adjust printf arguments.
(write_stack_arguments): Ditto.
* hw_trace.c: Instance callback entry no longer a table.
Wed Jun 5 01:39:07 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* emul_unix.c (do_unix_umask): Cast printf argument.
(convert_to_linux_termios): Use LINUX_VSWTC not LINUX_VSWCH
Mon Jun 3 15:02:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* hw_init.c (update_for_binary_section): Abort if we find an
.interp section, which indicates the need for shared libraries to
be loaded.
Mon Jun 3 15:02:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* emul_unix.c (do_unix_{time,gettimeofday,getrusage}): Add support
for time, gettimeofday, and getrusage system calls.
({solaris,linux}_descriptors): Add new system calls.
(do_get{,e}{uid,gid}): Use gid_t/uid_t types.
(do_get{,p}pid): Use pic_t types.
* configure.in (AC_TYPE_{GETGROUPS,SIGNAL}): Define.
(AC_TYPE_{MODE,OFF,PID,SIZE,UID}_T): Define.
* config{.in,ure}: Regenerate.
Mon Jun 3 23:19:57 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* emul_netbsd.c (emul_netbsd_create): Use the more specific names
`ppc-elf' and `ppc-xcoff' for the stack-type.
* emul_unix.c (emul_unix_create): Ditto.
* emul_bugapi.c (emul_bugapi_create): Ditto.
* hw_init.c: Reconize the new names.
* emul_unix.c (do_unix_break): Adjust so that the updated ioctl
call is used (no system parameter).
Sun Jun 2 11:21:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* emul_unix.{h,c}: New files to provide Solaris and Linux system
call emulations.
* Makefile.in (LIB_{SRC,OBJ}): Add emul_unix.{c,o}.
(os_emul.o): Depend on emul_unix.h.
(emul_unix.o): New dependency.
* configure.in (--enable-sim-alignment): Add 0|default to mean set
alignment to 0, which means use appropriate alignment for mode.
(AC_CHECK_FUNCS): Add new functions needed by emul_unix.c.
(AC_CHECK_HEADERS): Add new include files needed by emul_unix.c.
* config.in: Regenerate.
* configure: Regenerate.
* emul_generic.c (emul_write2_status): New function to return
results in r3 and r4 for Solaris system calls.
(emul_do_system_call): If the system call is not support, but
there is a string for the system call name, print out the string
instead of the system call number.
* emul_generic.h (emul_write2_status): Declare it.
* emul_netbsd.c: Use /* */ around comment on #endif.
* os_emul.c: Include emul_unix.h.
(os_emulations): Add emulations for Solaris, and Linux.
* psim.c (psim_usage): Add message about solaris, linux
emulations.
Thu May 30 00:00:10 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* hw_iobus.c: Tidy up notes so that they can be auto-extracted.
* README: Correct PSIM's title
Wed May 29 23:50:26 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* basics.h: New global type object_disposition, used to indicate
the status of objects when things are restarted.
Fri May 17 17:28:52 1996 Andrew Cagney <cagney@benjimen.highland.com.au>
* device_table.h: Change the interrupt descriptor structure so
that it includes an additional member - an upper bound on the
interrupts by that name.
* device.c (device_interrupt_decode): Allow a range of interrupt
ports (eg rst0 .. rst6) if the port descriptors bound is non zero.
* device.c (device_tree_print_device): Include a list of valid
interrupt ports when listing supported devices.
* device.h, device.c (device_child_interrupt_*): Delete. Not used.
* emul_generic.c (emul_add_tree_hardware): Modify the creation of
the interrupt net so that it uses int0 .. intN.
Tue May 14 23:03:53 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.h, device.c (device_ioctl): Drop the system argument.
Devices can not obtain this using the device_system() call.
* device_table.h: Adjust accordingly.
* hw_*.c: Adjust accordingly.
* emul_netbsd.c (do_break): Adjust call to vm device accordingly.
* psim.c (psim_options): Use a device_ioctl call to force the
hw_trace device to update the trace options.
* hw_trace.c: Replace the init function with an ioctl call. Adjust
doc accordingly.
* psim.c (psim_init): Re-order initialization so that the
os-emulation is initialized after the device tree. Without this,
os-emul's are not able to create instances or access properties
that contain an instance handle.
* device.h, device.c (device_add_*_property): Make these functions
internal to device.c. The user has access to the more generic
device_tree_add_parsed function. Differentiate between the initial
and current value for each property.
* (clean_device_properties): New function that deletes any
properties created after the start of a simulation and restores
the initial value of any others (ignoring ihandles).
* (init_device_properties): (Re)Initialize any properties that
contain ihandles. create
* (device_tree_init): Include calls to clean the device tree's
properties and then initialize them. Document this in the device.h
file.
Mon May 6 17:36:15 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* interrupts.c (decrementer_interrupt): Always pend a decrementer
interrupt even if it is not yet possible to deliver it.
Wed May 1 12:26:51 1996 Andrew Cagney <cagney@benjimen>
* mon.h, mon.c (mon_get_number_of_insns): Make this externally
visable adjusting the arguments so that the interface is correct.
(mon_print_info): Adjust calls.
* registers.h, registers.c (register_description): Add phony
cycle, insn and stall registers.
* psim.c (psim_read_register): Return nr of instructions for given
processor.
Tue Apr 30 22:09:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* hw_htab.c: New file. Extract contents from disk_table.c.
Contains a device that, during initialization will create a
PowerPC htab in memory.
* hw_register.c: New file. Extract contents from disk_table.c.
Contains a device that, during initialization, will parse its
property list and use that to initialize various processor
registers (not target specific).
* hw_vm.c: New file. Extract contents from disk_table.c. Contains
a device that handles accesses to invalid virtual memory addresses
(in user mode).
* hw_init.c: New file. Extract contents from disk_table.c. Misc
devices that can initialize memory from a file.
* hw_trace.c: New file. Extract contents from disk_table.c.
Configure trace options from property values.
* Makefile.in (hw_htab.o, hw_register.o, hw_vm.o, hw_init.o,
hw_trace.c): Add new device files.
* device_table.c: Remove above code, now in separate independant
files.
Fri Apr 26 00:00:07 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* hw_disk.c: New file. Disk and CDROM device.
* Makefile.in (hw_disk.o): Add device hw_disk.c.
* pk_disklabel.c: New file. Implement the miss-named disk-label
package.
* Makefile.in (pk.h): Create the file pk.h that contains a list of all
the packages.
* Makefile.in (hw.h, hw.c): Add dependancy on Makefile so that
they are re-created when the makefile is updated.
* emul_generic.c (emul_add_tree_hardware): Add a disk device
(below the iobus) to the device tree. Include an ihandle of
the disk as /chosen/disk.
* emul_bugapi.c (emul_bugapi_create): Don't initialize the input,
output and (new) disk handles yet.
* (emul_bugapi_init): Initialize the input, output (and just added)
disk ihandles here.
* (emul_bugapi_do_diskio): New. Performs disk i/o (well at least
what I think the behavour is).
* emul_bugapi.c (emul_bugapi_instruction_call): Add hook to disk
i/o bug call. For RETURN call, exit using gpr[3]'s status even
though this isn't part of the spec - makes it possible for machine
code to signal the aporting of a simulation run.
* emul_chirp.c (chirp_emul_call_method): Add support for the
claim/release methods.
* (chirp_emul_exit): Add an optional exit status argument to
the exit method. Makes it possible for chirp emul simulations
to abort upon an error.
* device.h, device.c (device_instance_claim,
device_instance_release): New methods for claiming and releasing
memory.
* hw_memory.c: add claim and release memory methods.
* hw_*: Use the claim memory method when allocating physical
memory.
Thu Apr 18 23:38:10 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* hw_nvram.c (hw_nvram_update_clock): Use the current not previous
time when updating the clock.
* hw_nvram.c: Tidy up documentation
Fri May 24 10:08:10 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* configure.in (AC_STRUCT_ST_{BLKSIZE,BLOCKS,RDEV}): Use these
macros to determine whether or not the appropriate st_<xxx> fields
exist in the stat structure.
(AC_CHECK_FUNCS): Check for all unix system calls used, except for
the real basic ones like open, read, write, etc.
* config{.in,ure}: Regenerate.
* emul_netbsd.c: Add support for missing system calls, and/or
missing stat fields.
(MAXPATHLEN): Undefine if including unistd.h, since sys/param.h
might define it.
* hw_pal.c (WITH_STDIO): Redefine if O_NDELAY, F_GETFL, or F_SETFL
are not defined.
(scan_hw_pal): Do not cause syntax error if O_NDELAY, F_GETFL, or
F_SETFL not defined.
Tue May 21 17:24:45 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* emul_netbsd.c (write_stat): Don't convert st_blocks unless the
host is netbsd.
Thu May 16 10:56:45 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* configure.in (AC_CHECK_HEADERS): Add sys/ioctl.h.
* config{.in,ure}: Regenerate.
* emul_netbsd.c: If HAVE_SYS_IOCTL_H is not defined, don't include
sys/ioctl.h.
Tue May 7 17:28:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* hw_pal.c (hw_pal_instance_read_callback): Remove unused
variable.
* misc.c ({,target_}a2i): Rewrite to not use strtoul.
* Makefile.in ({spreg,misc}.o): Add dependency on .c file.
({i,d}gen): Don't link in liberity. Use BUILD_LIBS instead of
LIBS.
Mon May 6 11:31:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* hw_pal.c (hw_pal_instance_read_callback): If using stdio, use
fgets to read line. If not using stdio, do a simple blocking read
of len bytes.
Fri May 3 15:07:42 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* Makefile.in: Correctly build simulator for build machine != host
machine.
Tue Apr 30 18:46:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* configure.in (--enable-hostendian): Rework so the default uses
the AC_C_BIGENDIAN results. Only run AC_C_BIGENDIAN if not cross
compiling.
* configure: Regenerate.
* sim-endian.h: Add more tests for host endian to support more
platforms in a cross compilation environment.
Wed Apr 17 14:38:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
use stdio, instead of unpended read/printf_filtered.
(hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
flush stdout after writing the characters.
* options.c (print_options): Print out WITH_STDIO.
* Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
configuration variable.
(CONFIG_CFLAGS): Include STDIO_CFLAGS.
(hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
files to contain directory pieces.
* std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
should use stdio for console input.
(WITH_STDIO): If not defined, define as DONT_USE_STDIO.
* configure.in (--enable-sim-stdio): Add new switch to control
whether stdio is used for console I/O.
* configure: Regenerate.
* interrupts.c (external_interrupt): Declare it to be
INLINE_INTERRUPTS, not INLINE_CPU.
Mon Apr 15 23:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* events.c (insert_event_entry): Allow events to be scheduled
*NOW* (at delta time 0). Add assertions to clarify behavour of
event queue.
* events.c (update_time_from_event): New function. Calculates the
number of ticks from the next event. Use this.
Sun Apr 14 21:39:45 1996 Andrew Cagney <cagney@highland.com.au>
* emul_netbsd.c (do_break): Return 0 if success (instead of
adjusted break).
* device_table.c (vm_ioctl_callback): Don't return adjusted break
(isn't needed).
Sun Apr 14 21:32:41 1996 Andrew Cagney <cagney@highland.com.au>
* device_table.h: Change type of the device ioctl so that it
returns an int (status).
* device.h (device_ioctl): Ditto.
* device.c (device_ioctl): Ditto.
* device_table.c (stack_ioctl_callback): Return 0 status.
(vm_ioctl_callback): Ditto
Sat Apr 13 00:00:24 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* emul_netbsd.c (do_read): Correctly set the return value.
(do_getpid): Ditto.
(do_getuid): Ditto.
(do_geteuid): Ditto.
(do_dup): Ditto.
(do_getegid): Ditto.
(do_getgid): Ditto.
(do_sigprocmask): Ditto.
(do_umask): Ditto.
(do_dup2): Ditto.
(do_gettimeofday): Ditto.
(do_getrusage): Ditto.
(do_fstat): Ditto.
(do_stat): Ditto.
(do_lseek): Ditto.
(do___sysctl): Ditto.
Fri Apr 12 20:56:47 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device_table.c (vm_ioctl_callback): Don't access the processor
registers directly, instead leave it to the caller to handle this.
* emul_netbsd.c (do_break): Which calls vm_ioctl_callback to
perform a break. Pass in the new break value and set the
registers according to the result.
* emul_generic.c (emul_write_status): Change so that r3 contains
either status or errno and failure is indicated by SO.
Thu Apr 4 23:03:38 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* emul_bugapi.c (emul_bugapi_create): More strict check of OEA
address.
Thu Apr 4 20:58:05 1996 Andrew Cagney <cagney@highland.com.au>
* interrupts.h (interrupts): New structure contains state of
pending interrupts.
* cpu.c (cpu_interrupts): New function. Pending interrupt status
in the cpu and grant access to it. Add interrupts to cpu
structure.
Fri Mar 29 22:09:25 1996 Andrew Cagney <cagney@highland.com.au>
* device.c (device_tree_add_parsed): Check that the creation of a
device instance worked before using it.
* psim.c (psim_halt): Remove cia argument from psim_halt. This
function does not save the CIA so do not pass it in.
Fri Mar 29 21:30:56 1996 Andrew Cagney <cagney@highland.com.au>
* hw_pal.c (hw_pal): Merge the halt and icu and console devices
found in device_table.c into a single hack pal.
* device_table.c (halt, icu, console): Delete.
* Makefile.in (hw_pal.o): New dependency.
* emul_generic.c (emul_add_tree_hardware): Re-arange device tree
so that it uses the pal instead of the icu/halt/console devices.
Wire the pal's interrupt ports up to the cpu nodes.
Fri Mar 29 20:17:17 1996 Andrew Cagney <cagney@highland.com.au>
* hw_iobus.c (hw_iobus_attach_address_callback): Move from
device_table.c to here.
* Makefile.in (hw_iobus.o): New dependency.
Fri Mar 29 12:17:58 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* emul_bugapi.c (_os_emul_data): Add fields for output, input.
(emul_bugapi_create): Create input, output from /chosen/stdin and
/chosen/stdout.
(emul_bugapi_do_{read,write}): Switch to use device_instance
interface.
(emul_bugapi_instruction_call): Change calls to
emul_bugapi_do_{read,write} to pass device instance argument.
Tue Mar 26 14:57:58 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* igen.c (idecode_switch_end): Fix 2/26 change so that an extra
default is not written out if a default was already written.
* psim.c (psim_{read,write}_register): Use sizeof unsigned_8 to
size cooked_buf, not sizeof natural_word, since floating point
registers are 8 bytes.
Mon Mar 25 22:07:13 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* configure: Regenerate with autoconf 2.9.
Thu Mar 21 00:14:26 1996 Andrew Cagney <cagney@highland.com.au>
* device_table.h: Always include string headers.
Thu Mar 21 00:06:09 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* main.c (error): Be careful to not try to print out statistics
when the simulation was never created.
Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
* basics.h: Move the event queue's definition to here so that it
can be refered to globally with out importing all of events.h.
* psim.h, psim.c (psim_event_queue): New function. Grant access
to the simulation event queue. Will make this the single point of
access (there is after all only one event queue in the
simulation).
* cpu.c (cpu_create): Use psim_event_queue to obtain the event
queue instead of it being passed in. No longer allow access to
the cpu's copy of the event queue.
Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
* events.h, events.c (event_handler): Remove event_queue from
arguments passed to an event handler. That argument is redundant
- the `data' should refer to a data structure that contains the
event queue if queing is needed.
* cpu.c (cpu_decrement_event): adjust
* events.c (event_queue_process): adjust
Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
* device.h, device.c (device_system): New, returns a handle for
the system given the device.
* device.c (device_address_init): Store a pointer back to the
system in each devices node.
* device_table.h: Don't pass `system' into each device when it is
being initialized, this is now available using device_system(me).
* device.c (device_address_init, device_data_init): Adjust.
* hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
Adjust.
Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
* interrupts.c (decrementer_interrupt, external_interrupt):
Remember that an interrupt wasn't delivered so that it can be
tried again later.
* interrupts.c (check_masked_interrupt): New function. (re)
checks for the posibility that a recent change to the MSR may have
made it possible to deliver an interrupt that was previously
masked be the EE bit.
* ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
a pending interrupt being delivered using check_masked_interrupt().
* cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
leaving it to that module to handle both interrupt synchronization
and masking.
* cpu.c (struct _cpu): remove variables that were going to record
pending decrementer and external interrupts.
Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
* hw_cpu.c, hw_cpu.h: New files. Implement a device that sits
between the interrupt controller and the simulators internal
processor model. Maps device interrupts onto the processor
interrupt function calls.
Mon Mar 4 06:06:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* hw_nvram.c: NVRAM device that includes a real-time clock that is
updated each second.
Mon Mar 4 04:18:50 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.h (attach_type): Remove attach_default type address
spaces. Will replace with levels of callback memory.
* corefile.h, corefile.c (new_core_mapping), corefile.c
(core_map_attach): Replace default attach with a layerd callback
approach.
Sun Mar 3 03:58:46 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.c (split_property_specifier): ensure that only a single
property is found.
(split_value): New function, parses the value part of a device
spec.
* device.c (device_tree_add_parsed): Use the interrupt conversion
functions to determine the interrupt port numbers.
* device_table.h: Add table that maps between an interrupts
symbolic name and its port number.
* device.h, device.c (device_interrupt_decode,
device_interrupt_encode): new functions use the recently added
interrupt port name/number tables to perform conversion.
Sun Mar 3 03:23:59 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.h, device.c (device_set_array_property,
device_set_boolean_property, device_set_ihandle_property,
device_set_integer_property, device_set_string_property): New
functions - allow the value of a given property to be changed.
* device.h, device.c: Re-order declaration and definition of
property functions.
Sun Mar 3 03:10:22 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* device.c (device_tree_print_device, device_tree_add_parsed):
Remove references to phandle properties.
Wed Feb 28 00:43:07 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
* Makefile.in (corefile.o): missing dependency on device_table.h
etc.
Tue Feb 27 23:59:35 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
* device_table.h: Revamp device init callbacks so that they are a
sub structure.
* device.c (device_init_data, device_init_address): If an init
callback is NULL assume it should do nothing.
* device_table.c (ignore_device_init, unimp_device_init): delete
as redundant.
* device_table.c, hw_memory.c: adjust.
* (io): ditto.
* (dma): ditto.
* (device_instance): ditto.
* (ioctl): ditto.
* (address nee config_address): ditto.
* (interrupt): ditto.
Mon Feb 26 21:11:20 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
* igen.c (idecode_switch_end): Output a default entry when the
switch statement is perfect. Firstly stops GCC complaining about
an incomplete switch and secondly it will be eliminated by a good
compiler any way.
Mon Feb 26 22:47:15 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
* Makefile.in (hw.h, hw.c): New targets. Create from the list of
hw_*.c files. hw.h declares a device descriptor table for each hw
device while hw.c lists those tables in a form suitable for the
construction of a top leveltable in device_table.c.
* Makefile.in (device_table.o): now depends on hw.c a generated
table of hw.
* device_table.c (device_table): Re-arange the table of devices so
that two levels are possible. Make use of hw.c.
* device_table.h: ditto.
* device.c (device_template_create_device): Handle new two level
device lookup table.
* device.c (device_usage): ditto.
Mon Feb 26 22:24:00 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
* device_table.c: Delete the memory device (moved to hw_memory.c).
* hw_memory.c: New file. Just an OpenBoot memory device.
Wed Jan 17 21:47:34 1996 Andrew Cagney <cagney@highland.com.au>
* device.c (device_init_address): New. Split initialization into
two stages, address and address spaces
* device.c (device_init_data): New. ... and data or other work.
With out this, devices try to modify memory before it as been
attached.
* device.c (device_tree_init): Update to perform staged
initialization.
* device.c (device_init): Delete.
Wed Jan 17 21:43:09 1996 Andrew Cagney <cagney@highland.com.au>
* device_table.c (data_*): Rewrite to make heaver use of property
nodes. Allow initialization by different data types.
* device_table.c (htab_* pte_*): Rewrite to use properties.
* emul_chirp.c (emul_chirp_create): Use
* emul_bugapi.c (emul_bugapi_create): Ditto
* emul_netbsd.c (emul_netbsd_create): Ditto
Wed Jan 17 21:24:50 1996 Andrew Cagney <cagney@highland.com.au>
* emul_generic.c (emul_add_tree_options): Annotate existing tree
with options that haven't yet been specified.
* emul_generic.c (emul_add_tree_hardware): Annotate existing tree
with demo devices and properties.
* emul_chirp.c (emul_chirp_create): Update to use new
device_tree_add_parsed call and additional information now
included in the device tree. Use emul_add_tree* functions to add
any missing details.
* emul_bugapi.c (emul_bugapi_create): Ditto
* emul_netbsd.c (emul_netbsd_create): Ditto
Wed Jan 17 21:18:27 1996 Andrew Cagney <cagney@highland.com.au>
* device.c (device_instance_create): New. Create/delete and
operate on instances of a device.
* device.c (device_instance_delete): Ditto
* device.c (device_instance_read): Ditto
* device.c (device_instance_write): Ditto
* device.c (device_instance_seek): Ditto
* device.c (device_instance_data): Ditto
* device.c (device_instance_name): Ditto
* device.c (device_instance_path): Ditto
* emul_chirp.c (chirp_emul_open): Implement using device_instance.
* emul_chirp.c (chirp_emul_close): Ditto
* emul_chirp.c (chirp_emul_read): Ditto
* emul_chirp.c (chirp_emul_write): Ditto
* emul_chirp.c (chirp_emul_seek): Ditto
* emul_chirp.c (chirp_read_t2h_args): Read arguments from device.
Being careful to convert all from target to host byte order.
* emul_chirp.c (chirp_write_h2t_args): Converse.
Wed Jan 17 20:07:15 1996 Andrew Cagney <cagney@highland.com.au>
* device.c (device_tree_add_parsed): New. Rewrite code to add
devices to the device tree so that a single printf style function
is used.
* device.c (device_tree_add_*): Delete. Replaced by above.
* device.c (split_device_specifier): Functions to manipulate a
device specifier (path) breaking it into its components
* device.c (split_property_specifier): Ditto
* device.c (split_device_name): Ditto
* device.c (split_find_device): Ditto
* device.c (scan_*): Delete
* device.c (device_tree_find_device): Rewrite to use above.
* device.c (device_add_property): Ditto
Wed Jan 17 19:51:56 1996 Andrew Cagney <cagney@highland.com.au>
* psim.c(psim_options): Parse the psim options, installing their
value in the device tree. Options are now first entered into a
device tree and then extracted out again when needed. This allows
greater flexability in configuration.
* psim.c (psim_tree): Returns a basic device tree ready for
parsing by psim_options.
* psim.c (psim_usage): New. Give usage to varing levels of detail
according to the verbosity. In turn output device and trace
usage.
* main.c (main): Update to use new system
* sim_calls.c (sim_open, sim_do_command): Ditto
* psim.c (psim_options): Add `r' option - ram size.
* psim.c (psim_options): Add `o' option - openboot tree entry.
* psim.c (psim_options): Add `h'/`H' options - more help.
* debug.c (trace_usage): Add more detailed help.
* device.c (device_usage): New. Output help including a list of
the devices currently available in the device table.
* device_table.c: Add usage operator to each device.
* corefile.c (core_create, core_device_create): Adjust so that the
core device is created earlier for psim_tree(). Core can later be
created from it.
* psim.c (psim_create): Update to handle above way of creating
things. Extract all information from the device tree.
* device_tree.c (trace_*): New device node, its properties are
used to set the value of the trace options. Init this device (in
psim_options) when ever the options are updated.
Wed Jan 17 19:46:07 1996 Andrew Cagney <cagney@highland.com.au>
* debug.h: Add trace_print_info, trace_print_device_tree and
trace_dump_device_tree. The first is a replacement for the
variable `print_info' found in main.c and sim_calls.c. The latter
two enable the dumping of the entire device tree.
* debug.c: Add to trace_description table.
* main.c (main): Use above trace instead of local variable
* sim_calls.c (sim_close): Ditto
* device.c (device_tree_print_device): New. Prints the device
tree in a format that is consistent with what can be parsed by the
device tree load from file code.
* psim.c (psim_create): Dump device tree if enabled. If nump
selected, exit psim immediatly.
Wed Jan 17 19:36:52 1996 Andrew Cagney <cagney@highland.com.au>
* corefile-n.h (core_map_read_N): When mapping from an address to
a device, do not subtract the devices base. The device its self
can do this. Brings the behavour into line with OpenBoot.
* corefile-n.h (core_map_write_N): Ditto
* corefile.c (core_map_read_buffer): Ditto
* corefile.c (core_map_write_buffer): Ditto
* device_table.c (console_io_read_buffer_callback): Adjust to
handle biased address.
* device_table.c (console_io_write_buffer_callback): Ditto
Wed Jan 17 18:36:09 1996 Andrew Cagney <cagney@highland.com.au>
* device.c (attach_device_interrupt_edge): New. Interrupt model
did not allow interrupts to be wired up as a general net (edges).
Re-implement so that interrupt events can be passed to multiple
controllers and interrupt controllers can further propogate
interrupt events.
* device.c (attach_device_interrupt_edge) : New, Ditto
* device.c (detach_device_interrupt_edge) : New, Ditto
* device.c (clean_device_interrupt_edges) : New, Ditto
* device.c (device_interrupt_event) : New, Ditto
* device.c (device_interrupt_attach) : New, Ditto
* device.c (device_interrupt_detach) : New, Ditto
* device.c (device_child_interrupt_attach) : New, Ditto
* device.c (device_child_interrupt_detach) : New, Ditto
* device.c (device_attach_interrupt) : Delete old
* device.c (device_detach_interrupt) : Delete old
* device.c (device_interrupt) : Delete old
* device.c (device_interrupt_ack) : Delete old
* device_table.c (unimp_*) : Update to match
* device_table.c (icu_io_write_buffer_callback) : Update to use
interface.
* device_table.c (icu_interrupt_event_callback) : Ditto
Wed Jan 17 18:18:40 1996 Andrew Cagney <cagney@highland.com.au>
* device.c (external_to_device) : New function that provides a
standard mapping between a devices internal representation (a
pointer) and its external (or what is passed to a client)
representation (a phandle). Implement using the cap object
attached to the root node.
* device.c (device_to_external) : Ditto
* device.c (external_to_device_instance) : Ditto but for ihandle
and device instance.
* device.c (device_instance_to_external) : Ditto
* Makefile (device.o): Add dependency on cap.
* emul_chirp.c (struct _emul_chirp_data) : Elimate use of cap. Code
needing to translate between internal and external representations
changed to use the external_to_device et.al. device operations.
* emul_chirp.c (chirp_emul_*) : Ditto
* Makefile (emul_chirp.o): Remove dependency on cap
Sat Jan 6 10:13:26 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
* emul_chirp.c (map_over_chirp_note): Tighten up (and fix) checks
on OpenBoot note section.
Fri Jan 5 20:28:53 1996 Andrew Cagney <cagney@hignland.com.au>
* emul_generic.c (emul_write_buffer): Use vm faulting byte
read/write calls for buffer transfers. This will cause a fault to
occure if the transfer fails. CHRP catches the fault while the
others suffer the consequences.
(emul_read_buffer): Ditto.
(emul_write_word): Ditto.
(emul_read_word): Ditto.
(emul_read_string): Ditto.
Fri Jan 5 18:55:34 1996 Andrew Cagney <cagney@highland.com.au>
* emul_chirp.c (emul_chirp_create, emul_chirp_instruction_call),
emul_generic (emul_blr_instruction): Use a real blr instruction to
return from a client service call.
* emul_chirp.c (services): Add all OpenBoot services to table.
* emul_generic.h, emul_bugapi.c (emul_bugapi_create), emul_chirp.c
(emul_chirp_create) : Use names instead of numbers for
instructions being stored in memory.
Fri Jan 5 18:52:28 1996 Andrew Cagney <cagney@highland.com.au>
* Makefile.in (maintainer-clean): Remove .log, core and *.core
(From NetBSD) files.
Wed May 29 22:57:40 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
* ChangeLog.00, ChangeLog: ChangeLog from gdb-4.16 becomes
ChangeLog.00
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