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2006-06-08 Bruce Robinson <brucer@pmccorp.com>

	* cpu.c: Add int64 types for __mips==3 cpus, incorporate 
	   mips_interrupt_mask() into mask computations
	* cpu_asm.S: Add int64 register save/restores for __mips==3 cpus.  Adjustment 
	   of mips1 vs mips3 macros.
	* cpu.h: Add int64 types for __mips==3 cpus.
	
2006-03-17	Ralf Corsepius <ralf.corsepius@rtems.org>

	* cpu.c (_CPU_Initialize): Add fpu initialization.
	* rtems/score/cpu.h: Setup CPU_*_ENDIAN from GCC's__MIPS{EL|EB}__.
	(Partial merger of submission by Bruce Robinson <brucer@pmccorp.com>).

2006-01-16	Joel Sherrill <joel@OARcorp.com>

	* rtems/score/cpu.h: Part of a large patch to improve Doxygen output.
	As a side-effect, grammar and spelling errors were corrected, spacing
	errors were address, and some variable names were improved.

2005-11-18	Joel Sherrill <joel@OARcorp.com>

	* rtems/score/cpu.h: Eliminate use of unsigned32.

2005-11-08	Ralf Corsepius <ralf.corsepius@rtems.org>

	* rtems/score/types.h: Eliminate unsigned16, unsigned32.

2005-10-27	Ralf Corsepius <ralf.corsepius@rtems.org>

	* rtems/asm.h: Remove private version of CONCAT macros.
	Include <rtems/concat.h> instead.

2005-04-26	Joel Sherrill <joel@OARcorp.com>

	* rtems/asm.h: Eliminate warnings.

2005-02-08	Ralf Corsepius <ralf.corsepius@rtems.org>

	* Makefile.am: Split out preinstallation rules.
	* preinstall.am: New (Split out from Makefile.am).

2005-02-04	Ralf Corsepius <ralf.corsepius@rtems.org>

	* rtems/mips/idtcpu.h, rtems/mips/iregdef.h, rtems/score/mips.h:
	Header guards cleanup.

2005-02-04	Ralf Corsepius <ralf.corsepius@rtems.org>

	PR 754/rtems
	* rtems/asm.h: New (relocated from .).
	* asm.h: Remove (moved to rtems/asm.h).
	* Makefile.am: Reflect changes above.

2005-02-01	Ralf Corsepius <ralf.corsepius@rtems.org>

	PR rtems/752
	* rtems/mips/idtcpu.h rtems/mips/iregdef.h: New (relocated from .).
	New header guards.
	* idtcpu.h, iregdef.h: Remove.
	* Makefile.am: Reflect changes above.

2004-01-28	Ralf Corsepius <ralf.corsepiu@rtems.org>

	* asm.h, rtems/score/cpu.h, rtems/score/mips.h, rtems/score/types.h:
	New header guards.

2005-01-24	Ralf Corsepius <ralf.corsepius@rtems.org>

	* rtems/score/types.h: Remove signed8, signed16, signed32,
	unsigned8, unsigned16, unsigned32.

2005-01-24	Ralf Corsepius <ralf.corsepius@rtems.org>

	* rtems/score/cpu.h: *_swap_u32( uint32_t ).

2005-01-24	Ralf Corsepius <ralf.corsepius@rtems.org>

	* rtems/score/types.h: #include <rtems/stdint.h>.

2005-01-07	Joel Sherrill <joel@OARcorp.com>

	* rtems/score/cpu.h: Remove warnings.

2005-01-07	Ralf Corsepius <ralf.corsepius@rtems.org>

	* Makefile.am: Eliminate CFLAGS_OPTIMIZE_V.

2005-01-03	Greg Menke <gregory.menke@gsfc.nasa.gov>

	PR 739
	* iregdef.h: Fixes gcc warning about redundant definition of R_SZ
	when compiling cpu_asm.S.  Problem was a #define sneaked in in
	version 1.11, no ill effects would have only affected R4000
	builds.

2005-01-03	Greg Menke <gregory.menke@gsfc.nasa.gov>

	PR 737 
	* cpu_asm.S: Fixes gcc warning about instructions in branch delay
	slot when compiling cpu_asm.S

2005-01-01	Ralf Corsepius <ralf.corsepius@rtems.org>

	* Makefile.am: Remove build-variant support.

2004-12-02	Greg Menke <gregory.menke@gsfc.nasa.gov>

	PR 730 
	* cpu_asm.S: Collected PR 601 changes for commit to cvshead
	for rtems-4.7.

2004-04-09	Joel Sherrill <joel@OARcorp.com>

	PR 605/bsps
	* cpu.c: Do not use C++ style comments.

2004-04-07	Greg Menke <gregory.menke@gsfc.nasa.gov>
	PR 601
	* cpu_asm.S: Added __mips==32 support for R4000 processors running
	32 bit code.  Fixed #define problems that caused fpu code to
	always be included even when no fpu is present.

2004-04-03	Art Ferrer <arturo.b.ferrer@nasa.gov>

	PR 598/bsps
	* cpu_asm.S, rtems/score/cpu.h: Add save of floating point
	status/control register on context switches. Missing this register
	was causing intermittent floating point errors.

2003-09-04	Joel Sherrill <joel@OARcorp.com>

	* cpu.c, cpu_asm.S, rtems/score/cpu.h, rtems/score/mips.h,
	rtems/score/types.h: URL for license changed.

2003-08-11	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac: Use rtems-bugs@rtems.com as bug report email address.

2003-03-06	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac: Remove AC_CONFIG_AUX_DIR.

2002-12-11	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac: Require autoconf-2.57 + automake-1.7.2.
	* Makefile.am: Eliminate C_O_FILES, S_O_FILES, libscorecpu_a_OBJECTS.

2002-11-19	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac: Fix package name.

2002-11-04	Joel Sherrill <joel@OARcorp.com>

	* idtcpu.h: Removed warning.

2002-11-01	Joel Sherrill <joel@OARcorp.com>

	* idtcpu.h: Removed warnings.

2002-10-28	Joel Sherrill <joel@OARcorp.com>

	* idtcpu.h: Removed warning by turning extra token at the end of
	an endif into a comment.

2002-10-25	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac: Add nostdinc to AM_INIT_AUTOMAKE.

2002-10-21	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* .cvsignore: Reformat.
	Add autom4te*cache.
	Remove autom4te.cache.

2002-08-14      Greg Menke <gregory.menke@gsfc.nasa.gov>

	* cpu_asm.S: Clarified some comments, removed code that forced
	SR_IEP on when returning from an interrupt.

2002-06-27	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac: Add RTEMS_PROG_CCAS

2002-06-27	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac: Use AC_CONFIG_AUX_DIR(../../../..).
	Add AC_PROG_RANLIB.

2002-06-20      Greg Menke <gregory.menke@gsfc.nasa.gov>
	* cpu_asm.S: Added SR_IEO to context restore to fix isr disabled
	deadlock caused by interrupt arriving while dispatching.
	
2002-06-17	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* Makefile.am: Include $(top_srcdir)/../../../automake/*.am.
	Use ../../../aclocal.

2001-04-03	Joel Sherrill <joel@OARcorp.com>

	* Per PR94, all rtems/score/CPUtypes.h are named rtems/score/types.h.
	* rtems/score/mipstypes.h: Removed.
	* rtems/score/types.h: New file via CVS magic.
	* Makefile.am, rtems/score/cpu.h: Account for name change.

2002-03-27	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac:
	AC_INIT(package,_RTEMS_VERSION,_RTEMS_BUGS).
	AM_INIT_AUTOMAKE([no-define foreign 1.6]).
	* Makefile.am: Remove AUTOMAKE_OPTIONS.

2002-03-20	Greg Menke <gregory.menke@gsfc.nasa.gov>

	* cpu_asm.S: Now compiles on 4600 and 4650.

2002-03-13	Greg Menke <gregory.menke@gsfc.nasa.gov>

	* cpu_asm.S: Fixed a sneaky return from int w/ ints disabled bug.
	* rtems/score/cpu.h: Fixed register numbering in comments and made
	interrupt enable/disable more robust.
	
2002-03-05	Greg Menke <gregory.menke@gsfc.nasa.gov>
	* cpu_asm.S: Added support for the debug exception vector, cleaned
	up the exception processing & exception return stuff.  Re-added
	EPC in the task context structure so the gdb stub will know where
	a thread is executing.  Should've left it there in the first place...
	* idtcpu.h: Added support for the debug exception vector.
	* cpu.c: Added ___exceptionTaskStack to hold a pointer to the
	stack frame in an interrupt so context switch code can get the
	userspace EPC when scheduling.
	* rtems/score/cpu.h: Re-added EPC to the task context.

2002-02-27	Greg Menke <gregory.menke@gsfc.nasa.gov>

	* cpu_asm.S: Fixed exception return address, modified FP context
	switch so FPU is properly enabled and also doesn't screw up the
	exception FP handling.
	* idtcpu.h: Added C0_TAR, the MIPS target address register used for 
	returning from exceptions.
	* iregdef.h: Added R_TAR to the stack frame so the target address
	can be saved on a per-exception basis.  The new entry is past the
	end of the frame gdb cares about, so doesn't affect gdb or cpu.h
	stuff.
	* rtems/score/cpu.h: added an #ifdef so cpu_asm.S can include it
	to obtain FPU defines without syntax errors generated by the C
	defintions.
	* cpu.c: Improved interrupt level saves & restores.
	
2002-02-08	Joel Sherrill <joel@OARcorp.com>

	* iregdef.h, rtems/score/cpu.h: Reordered register in the
	exception stack frame to better match gdb's expectations.

2001-02-05	Joel Sherrill <joel@OARcorp.com>

	* cpu_asm.S: Enhanced to save/restore more registers on 
	exceptions.
	* rtems/score/cpu.h (CPU_Interrupt_frame): Enhanced to list every
	register individually and document when it is saved.
	* idtcpu.h: Added constants for the coprocessor 1 registers 
	revision and status.

2001-02-05	Joel Sherrill <joel@OARcorp.com>

	* rtems/Makefile.am, rtems/score/Makefile.am: Removed again.

2001-02-04	Joel Sherrill <joel@OARcorp.com>

	* rtems/score/cpu.h: IDLE task should not be FP.  This was a mistake
	in the previous patch that has now been confirmed.

2001-02-01	Greg Menke <gregory.menke@gsfc.nasa.gov>

	* cpu.c: Enhancements and fixes for modifying the SR when changing
	the interrupt level.
	* cpu_asm.S: Fixed handling of FP enable bit so it is properly 
	managed on a per-task basis, improved handling of interrupt levels,
	and made deferred FP contexts work on the MIPS.
	* rtems/score/cpu.h: Modified to support above changes.

2002-01-28	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* rtems/Makefile.am: Removed.
	* rtems/score/Makefile.am: Removed.
	* configure.ac: Reflect changes above.
	* Makefile.am: Reflect changes above.

2002-02-09	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* asm.h: Remove #include <rtems/score/targopts.h>.
	Add #include <rtems/score/cpuopts.h>.
	* configure.ac: Remove RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP).


2001-12-20	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac: Use RTEMS_ENV_RTEMSCPU.

2001-12-19	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* Makefile.am: Add multilib support.

2001-11-28	Joel Sherrill <joel@OARcorp.com>,

	This was tracked as PR91.
	* rtems/score/cpu.h: Added CPU_PROVIDES_ISR_IS_IN_PROGRESS macro which
	is used to specify if the port uses the standard macro for this (FALSE).
	A TRUE setting indicates the port provides its own implementation.

2001-10-12	Joel Sherrill <joel@OARcorp.com>

	* cpu_asm.S: _CPU_Context_save_fp in was incorrectly in conditional
	compilation block with (CPU_HARDWARE_FP == FALSE).  Reported by
	Wayne Bullaughey <wayne@wmi.com>.

2001-10-11	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* .cvsignore: Add autom4te.cache for autoconf > 2.52.
	* configure.in: Remove.
	* configure.ac: New file, generated from configure.in by autoupdate.

2001-09-23	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* rtems/score/Makefile.am: Use 'PREINSTALL_FILES ='.
	* Makefile.am: Use 'PREINSTALL_FILES ='.

2001-07-03	Joel Sherrill <joel@OARcorp.com>

	* cpu.c: Fixed typo.

2000-05-24	Joel Sherrill <joel@OARcorp.com>

	* rtems/score/mips.h: Added constants for MIPS exception numbers.
	All exceptions should be given low numbers and thus can be installed
	and processed in a uniform manner.  Variances between various MIPS
	ISA levels were not accounted for.

2001-05-24	Greg Menke <gregory.menke@gsfc.nasa.gov>

	* Assisted in design and debug by Joel Sherrill <joel@OARcorp.com>.
	* cpu_asm.S: Now works on Mongoose-V.  Missed in previous patch.

2001-05-22	Greg Menke <gregory.menke@gsfc.nasa.gov>

	* rtems/score/cpu.h: Add the interrupt stack structure and enhance
	the context initialization to account for floating point tasks.  
	* rtems/score/mips.h: Added the routines mips_set_cause(),
	mips_get_fcr31(), and mips_set_fcr31().
	* Assisted in design and debug by Joel Sherrill <joel@OARcorp.com>.

2001-05-07	Joel Sherrill <joel@OARcorp.com>

	* cpu_asm.S: Merged patches from Gregory Menke
	<Gregory.D.Menke.1@gsfc.nasa.gov> that clean up
	stack usage and include nops in the delay slots.

2001-04-20	Joel Sherrill <joel@OARcorp.com>

	* cpu_asm.S: Added code to save and restore SR and EPC to
	properly support nested interrupts.  Note that the ISR
	(not RTEMS) enables interrupts allowing the nesting to occur.

2001-03-14	Joel Sherrill <joel@OARcorp.com>

	* cpu.c, rtems/score/cpu.h, rtems/score/mipstypes.h:
	Removed unused variable _CPU_Thread_dispatch_pointer
	and cleaned numerous comments.
	
2001-03-13	Joel Sherrill <joel@OARcorp.com>

	* cpu.c, cpu_asm.S, iregdef.h, rtems/score/cpu.h, rtems/score/mips.h:
	Merged MIPS1 and MIPS3 code reducing the number of lines of assembly.
	Also reimplemented some assembly routines in C further reducing
	the amount of assembly and increasing maintainability.

2001-02-04	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* Makefile.am, rtems/score/Makefile.am: 
	Apply include_*HEADERS instead of H_FILES.

2001-01-12	Joel Sherrill <joel@OARcorp.com>

	* rtems/score/mips.h (mips_get_sr, mips_set_sr): Corrected
	register constraints from "general" to "register".

2001-01-09	Joel Sherrill <joel@OARcorp.com>

	* cpu_asm.S: Use SR_INTERRUPT_ENABLE_BITS instead of SR_XXX constants
	to make it easier to conditionalize the code for various ISA levels.

2001-01-08	Joel Sherrill <joel@OARcorp.com>

	* idtcpu.h: Commented out definition of "wait".  It was stupid to
	use such a common word as a macro.
	* rtems/score/cpu.h (_CPU_ISR_Disable): Fixed for mips ISA 3.
	* rtems/score/mips.h: Added include of <idtcpu.h>.
	* rtems/score/mips.h (mips_enable_in_interrupt_mask): Corrected.

2001-01-03	Joel Sherrill <joel@OARcorp.com>

	* rtems/score/cpu.h: Added _CPU_Initialize_vectors().
	* cpu_asm.S: Eliminated warning for duplicate definition of EXTERN.

2000-12-19	Joel Sherrill <joel@OARcorp.com>

	* cpu_asm.S (_ISR_Handler): Return to the address in the EPC register.
	Previous code resulting in the interrupted immediately returning
	to the caller of the routine it was inside.

2000-12-19	Joel Sherrill <joel@OARcorp.com>

	* cpu.c (_CPU_Initialize): Do not initialize _ISR_Vector_table() here
	because it has not been allocated yet.

2000-12-13	Joel Sherrill <joel@OARcorp.com>

	* cpu.c: Removed duplicate declaration for _ISR_Vector_table.
	* cpu_asm.S: Removed assembly language to vector ISR handler
	on MIPS ISA I.  Now call mips_vector_isr_handlers() in libcpu or BSP.
	* rtems/score/cpu.h (CPU_INTERRUPT_NUMBER_OF_VECTORS): No
	longer a constant -- get the real value from libcpu.

2000-12-13	Joel Sherrill <joel@OARcorp.com>

	* cpu_asm.h: Removed.
	* Makefile.am: Remove cpu_asm.h.
	* rtems/score/mips64orion.h: Renamed mips.h.
	* rtems/score/mips.h: New file, formerly mips64orion.h.
	Header rewritten.
	(mips_get_sr, mips_set_sr, mips_enable_in_interrupt_mask,
	mips_disable_in_interrupt_mask): New macros.
	* rtems/score/Makefile.am: Reflect renaming mips64orion.h.
	* asm.h: Include <mips.h> not <mips64orion.h>. Now includes the
	few defines that were in <cpu_asm.h>.
	* cpu.c (_CPU_ISR_Get_level): Added MIPS ISA I version of this routine.
	MIPS ISA 3 is still in assembly for now.
	(_CPU_Thread_Idle_body): Rewrote in C.
	* cpu_asm.S: Rewrote file header. 
	(FRAME,ENDFRAME) now in asm.h.
	(_CPU_ISR_Get_level): Removed ISA I version and rewrote in C.
	(_CPU_ISR_Set_level): Removed ISA I version and rewrote in C.
	(_CPU_Context_switch): MIPS ISA I now manages preserves SR_IEC and
	leaves other bits in SR alone on task switch.
	(mips_enable_interrupts,mips_disable_interrupts,
	mips_enable_global_interrupts,mips_disable_global_interrupts,
	disable_int, enable_int): Removed.
	(mips_get_sr): Rewritten as C macro.
	(_CPU_Thread_Idle_body): Rewritten in C.
	(init_exc_vecs): Rewritten in C as mips_install_isr_entries() and
	placed in libcpu.
	(exc_tlb_code, exc_xtlb_code, exc_cache_code, exc_norm_code): Moved
	to libcpu/mips/shared/interrupts.
	(general): Cleaned up comment blocks and #if 0 areas.
	* idtcpu.h: Made ifdef report an error.
	* iregdef.h: Removed warning.
	* rtems/score/cpu.h (CPU_INTERRUPT_NUMBER_OF_VECTORS): Now a variable
	number defined by libcpu.
	(_CPU_ISR_Disable, _CPU_ISR_Enable): Rewritten to use new routines
	to access SR.
	(_CPU_ISR_Set_level): Rewritten as macro for ISA I.
	(_CPU_Context_Initialize): Honor ISR level in task initialization.
	(_CPU_Fatal_halt): Use new _CPU_ISR_Disable() macro.

2000-12-06	Joel Sherrill <joel@OARcorp.com>

	* rtems/score/cpu.h: When mips ISA level is 1, registers in the
	context should be 32 not 64 bits.

2000-11-30	Joel Sherrill <joel@OARcorp.com>

	* cpu_asm.S: Changed "_CPU_Ccontext_switch_restore: typo to
	correct name of _CPU_Context_switch_restore.  Added dummy
	version of exc_utlb_code() so applications would link.

2000-11-09	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* Makefile.am: Use ... instead of RTEMS_TOPdir in ACLOCAL_AMFLAGS.

2000-11-02	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* Makefile.am: Switch to ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal.

2000-10-25	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* Makefile.am: ACLOCAL_AMFLAGS= -I $(RTEMS_TOPdir)/macros.
        Switch to GNU canonicalization.

2000-10-24	Alan Cudmore <alanc@linuxstart.com> and
	Joel Sherrill <joel@OARcorp.com>

	* This is a major reworking of the mips64orion port to use 
	gcc predefines as much as possible and a big push to multilib
	the mips port.  The mips64orion port was copied/renamed to mips
	to be more like other GNU tools.  Alan did most of the technical
	work of determining how to map old macro names used by the mips64orion
	port to standard compiler macro definitions.  Joel did the merge
	with CVS magic to keep individual file history and did the BSP
	modifications. Details follow:
	* Makefile.am: idtmon.h in mips64orion port not present.
	* asm.h: MIPS64ORION replaced with MIPS. Frame setup macros added.
	* cpu.c: Comments added.
	* cpu_asm.S: Conditionals changed.  MIPS ISA level 1 support added.
	First attempt at exception/interrupt processing for ISA level 1 
	and minus any use of IDT/MON added.
	* idtcpu.h: Conditionals changed to use gcc predefines.
	* iregdef.h: Ditto.
	* cpu_asm.h: No real change.  Merger required commit.
	* rtems/Makefile.am: Ditto.
	* rtems/score/Makefile.am: Ditto.
	* rtems/score/cpu.h: Change MIPS64ORION to MIPS.
	* rtems/score/mips64orion.h: Change MIPS64ORION to MIPS.  Convert
	from using RTEMS_CPU_MODEL to gcc predefines to figre things out.

2000-09-04	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* Makefile.am: Include compile.am.

2000-08-10	Joel Sherrill <joel@OARcorp.com>

	* ChangeLog: New file.