changelog.00

这个是LINUX下的GDB调度工具的源码

Wed May 29 22:57:40 1996  Andrew Cagney  <[e-mail]>

	* ChangeLog.00, ChangeLog: ChangeLog from gdb-4.16 becomes
        ChangeLog.00

Thu Apr  4 15:17:22 1996  Michael Meissner  <[e-mail]>

	* INSTALL: Fix some long lines and remove x86 specific options in
	the examples.

Sun Mar 31 15:47:33 1996  Andrew Cagney  <[e-mail]>

        * INSTALL: Update to reflect gdb-4.16.

        * RUN: Update to reflect gdb-4.16.  Review notes on building a BSD
        runtime environment.

	* README: Point out copyright status of simulator in introduction.

Thu Mar  7 19:53:49 1996  Michael Meissner  <[e-mail]>

	* emul_netbsd.c: Only include sys/mount.h if HAVE_SYS_MOUNT_H is
	defined.
	* configure.in: Test for sys/mount.h.
	* configure,config.in: Regenerate.

Thu Feb 22 22:48:57 1996  Andrew Cagney  <[e-mail]>

	* README, RUN, INSTALL: Update to reflect announcement
	* psim: PSIM 1.0.1 released

Thu Feb 22 14:01:56 1996  Michael Meissner  <[e-mail]>

	* emul_bugapi.c (emul_bugapi_do_read): New function to handle
	reads.
	(emul_bugapi_instruction_call): Add support for .INCHR/.INLN
	system calls.

	* emul_bugapi.c (emul_bugapi_do_write): Call flush_stdoutput.
	* emul_netbsd.c (do_write): Call flush_stdoutput.

	* main.c (flush_stdoutput): Do fflush (stdout).
	* sim_calls.c (flush_stdoutput): Do gdb_flush (gdb_stdout);
	* sim_callbacks.h (flush_stdoutput): Declare.

Wed Feb 21 10:39:35 1996  Michael Meissner  <[e-mail]>

	* emul_bugapi.c (bug_mapping): New structure to map bug system
	call numbers to a string.
	(toplevel): Add remaining bugapi system calls.
	(emul_bugapi_instruction_name): Map bugapi system call number to a
	string.
	(emul_bugapi_do_write): Common code to process write system calls.
	(emul_bugapi_instruction_call): If os-emul tracing is on, trace
	the system call.  Use the name to print unknown system call.
	Correct implementation of _OUTLN.  Add support for _OUTSTR and
	_PCRLR system calls.

Wed Feb 21 17:07:27 1996  Andrew Cagney  <[e-mail]>

	* NOTES: New file.  Ramblings on why things were done they way
 	they were.
	
	* psim.c (psim_options): Didn't enter the model value into the
 	device tree as a string.
	
  	* cpu.c (cpu_synchronize_context): Wrong test for conditional
 	flush of cache.

	* emul_generic.c (emul_add_tree_hardware): reg value didn't match
 	bus address.
	
	* ppc-opcode-flat: new file. Generate an instruction decode
 	function like ppc-opcode-complex but use switch statements.

	* INSTALL: document new opcode file, add example configurations.

Tue Feb 20 18:42:31 1996  Andrew Cagney  <[e-mail]>

	* main.c (main): rename psim instance (system) to simulation and
 	make global.
	* main.c (error): print out performance even when an error occures.

	* emul_bugapi.c (emul_bugapi_create): Fix argument passing.

	* emul_generic.c (emul_add_tree_hardware): Move hardware devices
 	to 0x80000000 from 0x400000.

Mon Feb 19 22:54:40 1996  Andrew Cagney  <[e-mail]>

	* ppc-instructions (TLB Invalidate Entry, TLB Invalidate ALL):
        Implement by passing on request to all processors.
	* ppc-instructions (TLB Synchronize): Implement as empty, processor
	tlb's are always in sync.

	* cpu.c (cpu_page_tlb_invalidate_all): New function.  Pass on TLB
        invalidate request to processors VM sub-system.
	* cpu.c (cpu_page_tlb_invalidate_entry): Ditto.

	* vm.c (vm_page_tlb_invalidate_all): New function. Mark all page
        TLB entries as invalid.
	* vm.c (vm_page_tlb_invalidate_entry): New function. Ditt but only
	invalidate one TLB entry.

	* psim.c (psim_init): Invalidate TLB's before (re)starting.

Mon Feb 19 21:25:56 1996  Andrew Cagney  <[e-mail]>

	* emul_generic.c (emul_add_tree_options): Add argument
        oea_interrupt_prefix (0 or 1) that specifies the prefix MSR[IP]
        and hence the location of the interrupt vectors.  Add this to the
        device tree.

	* emul_chirp.c (emul_chirp_create): Allow configuration of
        floating-point and interrupt prefix (default 0) using the above.

	* emul_netbsd.c (emul_netbsd_create): Pass dummy arg for
        interrupt-prefix.

	* emul_bugapi.c (emul_bugapi_create): Allow configuration of
        interrupt prefix (default 1) and configure interrupt table traps
        accordingly.

	* emul_generic.c (emul_add_tree_hardware): Include a small eeprom
        in the list of devices.

	* device_table.c: For moment fake eeprom device by a memory
        device.  In future will need a proper eeprom device.

Tue Feb 20 17:01:26 1996  J.T. Conklin  <[e-mail]>

	* config.in: Regenerated.

Fri Feb 16 10:42:27 1996  Michael Meissner  <[e-mail]>

	* psim.c: Include options.h so print_options is declared.

Thu Feb 15 18:10:13 1996  Michael Meissner  <[e-mail]>

	* emul_netbsd.c (toplevel): Do not include sys/resource.h if the
	system doesn't have it, and turn off getrusage processing.
	(write_rusage): #ifdef out if we don't have getrusage.
	(do_getrusage): Define as 0 if we don't have getrusage.

Wed Feb 14 17:38:12 1996  J. T. Conklin  <[e-mail]>

	* configure.in (AC_HEADER_DIRENT): Add, so that we can figure out
	where the directory functions are declared.
	* configure: Regenerate

	* emul_netbsd.c: Use the macros defined by configure to find the
	appropriate directory functions.

Thu Feb  8 00:53:13 1996  Andrew Cagney  <[e-mail]>

	* configure.in (xor_endian): Trace setting of xor-endian flag.

Wed Feb  7 18:20:56 1996  Andrew Cagney  <[e-mail]>

	* psim.c (psim_usage): Extend documentation.

	* ppc-instructions (model-print): fix typo.

Sun Feb  4 23:58:02 1996  Andrew Cagney  <[e-mail]>

	* configure.in (with-smp): Default configuration allow up to
	five processors (but enable only one).

	* emul_bugapi.c (emul_bugapi_create): If floating-point is
	allowed, enable the floating point instruction set in the
	msr.

Tue Jan 30 22:52:32 1996  Andrew Cagney  <[e-mail]>

	* emul_chirp.c (chirp_emul_seek, chirp_emul_read,
        chirp_emul_write): Tolerate invalid ihandles.

	* device.c (device_instance_create, device_instance_delete):
	init/delete instance name

	* emul_chirp.c (emul_chirp_instruction_call): Read the nr args and
        returns when determining the service.

	* emul_chirp.c (chirp_read_t2h_args): Allow variable number of
        args for the method "call-method".

	* emul_chirp.c (chirp_emul_getprop): Tolerate a n_returns of zero
        - should be one. Some OpenBoot code doesn't pass correct arg.

	* emul_chirp.c (chirp_emul_getprop): Trace more property types.

Tue Jan 30 19:12:29 1996  Andrew Cagney  <[e-mail]>

	* RUN: New file. Describe how to run PSIM
	* INSTALL: New file. Describe how to install PSIM
	* README: New file. Overview PSIM.
	* BUGS: New file. Briefly discuss bugs and limitations
	
Wed Jan 24 20:28:08 1996  Andrew Cagney  <[e-mail]>

	* emul_bugapi.c (OEA_START_ADDRESS): Put it back to 0x100000,
        wasn't correctly using GLD.

Mon Jan 22 22:44:13 1996  Andrew Cagney  <[e-mail]>

	* emul_generic.c (emul_add_tree_options): Make default number of
	active processors 1 (even when SMP enabled).

Mon Jan 22 22:37:34 1996  Andrew Cagney  <[e-mail]>

	* device_table.c (icu_io_read_buffer_callback): Add extra register
        (at addr + 4) that returns number of processors.

	* emul_generic.c (emul_add_tree_hardware): Update device node to
        match.

Mon Jan 22 22:00:42 1996  Andrew Cagney  <[e-mail]>

	* emul_bugapi.c (OEA_START_ADDRESS): Change to 0x4000 so that it
        matches gas-960116/ld.

Fri Jan 19 00:32:27 1996  Andrew Cagney  <[e-mail]>

	* psim-960119 released - psim-1.0b01.

Fri Jan 19 00:32:27 1996  Andrew Cagney - aka Noid  <[e-mail]>

	* psim.c (psim_create): Re-order so that all options are set
        before the CPU's are created.  Was breaking mon_create();

	* psim.c (psim_create): Tidy up conflicting configuration errors.

	* debug.c: Add missing print-info entry to trace table.

	* os_emul.c (os_emul_create): Fix `-e' option. Was looking under
        wrong name.

	* psim.c (psim_options): Fix `-r' option. Was entering under wrong
        name.

Thu Jan 18 20:33:48 1996  Andrew Cagney  <[e-mail]>

	* vm.c (om_unpack_bats): Fix checking of bat bits.

	* emul_chirp.c (emul_chirp_create): Store address of OB in memory
 	in the os_emul_data structure.

	* emul_bugapi.c (emul_bugapi_create): Store the address of the
 	bugapi code (in main memory) in the os_emul_data structure.

Thu Jan 18 01:14:55 1996  Andrew Cagney  <[e-mail]>

	* vm.c (om_translate_effective_to_real): Fix trace output.

Wed Jan 17 22:21:55 1996  Andrew Cagney  <[e-mail]>

	* device_table.c (generic_device_init_address): Create memory from
        information obtained from `reg' property.
	* device_table.c (vm_init_address_callback): Use information
        obtained from properties.
	* emul_netbsd.c (emul_netbsd_create): Update to create device and
        property entries to match

Tue Jan 16 09:50:53 1996  Michael Meissner  <[e-mail]>

	* idecode_expression.h (ALU_END): Add ITRACE of the result.

	* ppc-instructions (Equivalent): Enable this instruction.
	(Add to Minus One Extended): Ditto.
	(Subtract from Minus One Extended): Ditto.
	(Add/And/Or/Xor Immediate): Add alu trace of result.
	(Add/And/Or/Xor Shifted Immediate): Ditto.
	(And/Or/Equivalent/Nand/Nor): Ditto.
	(And/Or with Complement): Ditto.
	(Extend Sign Byte/Half Word): Ditto.
	(Count Leading Zeros): Ditto.
	(Shift Right Algerbraic Word): Ditto.
	(Shift Right Algerbraic Word Immediate): Ditto.

Tue Jan  9 15:10:27 1996  Andrew Cagney  <[e-mail]>

	* emul_bugapi.c (emul_bugapi_instruction_call) : Make format type
 	correct.
	* emul_chirp.c (map_over_chirp_note) : Ditto
	* emul_chirp.c (chirp_emul_test) : Ditto
	* device_table.c (register_init): Ditto

Tue Jan  9 14:16:26 1996  Andrew Cagney  <[e-mail]>

	* configure.in: Make disable-sim-switch default.  Switch only
 	useful if using --enable-sim-opcode=ppc-opcode-stupid and then
 	only marginally so.

Mon Jan  8 12:17:22 1996  Michael Meissner  <[e-mail]>

	* device_table.c (register_init): Make format type correct.

Wed Jan  3 19:21:46 1996  Andrew Cagney  <[e-mail]>

	* emul_bugapi.c (emul_bugapi_create): Add nodes to init the
 	system-call trap to the emul instruction call instruction (Along
 	with an rfi and infinate loop).

	* emul_bugapi.c (emul_bugapi_instruction_call): Expand to include
 	a few real PPC bug calls.  Test with simple hello world.

Tue Jan  2 20:51:19 1996  Andrew Cagney - aka Noid  <[e-mail]>

	* device.h, device.c (device_child, device_sibling): New
        functions.  Return corresponding device value.

	* emul_chirp.c (chirp_emul_child, chirp_emul_peer,
        chirp_emul_parent): New functions - emulate corresponding OpenBoot
        interfaces.

	* device_table.c (register_init): Extend properties attached to
        register init node to allow a specific processor's register to be
        specified.

	* emul_chirp.c (emul_chirp_create): Init SMP correctly - the
        initial PC for all processors is an infinate loop but then, for
        processor zero, is quickly changed to be the correct code starting
        address.

	* emul_chirp.c (emul_chirp_create): Add fake bootpath
        et.al. properties to tree.

	* emul_chirp.c (chirp_emul_getproplen): New function.  Emulate the
        getproplen OpenBoot call.

	* emul_chirp.c (emul_chirp_instruction_call): Document other
        possible chirp emulation internal states.

	* emul_chirp.c (emul_chirp_instruction_call): Trace failed lookups
 	as well as successful ones.
	
	* emul_chirp.c (emul_chirp_open): New function - handle open
        client call.

	* Makefile.in (maintainer-clean): Proper rule that eliminates more
        junk.

Tue Dec 19 13:00:11 1995  Andrew Cagney  <[e-mail]>

	* emul_chirp.c (chirp_emul_exit): Full out call.

	* device_table.c (htab_map_page): Wasn't handling byte swap when