changelog

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1999-02-23  Nick Garnett  <[e-mail]>

	* src/hal_misc.c: 
	Added support for SIGINT-causing magic breakpoint. This involves
	passing a third, hidden argument to hal_ctrlc_isr() which is a
	pointer to the saved CPU state.
	
	* src/vectors.S:
	Added support for 66MHz part (untested).
	Added support for SIGINT-causing magic breakpoint to allow
	continuation after ^C. This also relies on CYGMON changes.

1999-02-20  Jonathan Larmour  <[e-mail]>

	* include/hal_arch.h: 
	Rename deliver_exception() -> cyg_hal_deliver_exception()
	QA improvements

	* include/hal_intr.h:
	Reorganise vector/interrupt/exception names according to purpose
	QA improvements

	* src/hal_misc.c:
	Rename deliver_exception() -> cyg_hal_deliver_exception()
	Rename CYG_VECTOR_SIO_0 -> CYGNUM_HAL_INTERRUPT_SIO_0

1999-02-16  Jesper Skov  <[e-mail]>

	* src/vectors.S: Added call to initialize_stub.

	* src/mips-stub.c: 
	* include/mips-stub.h:
	Cleaned up to only include arch specific stub code.

	* include/hal_arch.h (HAL_BREAKPOINT): Added SIM breakpoint code
	from (now dead) jmr3904/.../hal_stub.c.

1999-02-05  John Dallaway  <[e-mail]>

	* src/mips.ld: Rename to tx39.ld since this is the target name
        * src/PKGconf.mak: Process tx39.ld instead of mips.ld

1999-02-05  John Dallaway  <[e-mail]>

	* src/mips.ld: Add LMA_EQ_VMA macro definition.

1999-02-03  Jesper Skov  <[e-mail]>

	* src/hal_misc.c: 
	* include/hal_cache.h:
	Moved nested external declarations into top-level scope to avoid
	compiler warnings.

1999-02-02  Nick Garnett  <[e-mail]>

	* include/hal_cache.h :
	In HAL_ICACHE_INVALIDATE_ALL() and HAL_ICACHE_INVALIDATE(), fixed
	typos in passing arguments to asm sections.
	Fixes PR 18951.

1999-01-26  Hugo Tyson  <[e-mail]>

	* src/mips.ld:
	Add copyright notice.  (Though these files will later be generated
	by a tool and so not copyright, these default setups are.)

1999-01-21  Jonathan Larmour  <[e-mail]>

	* src/hal_misc.c (cyg_hal_invoke_constructors): 
	Add code to deal with CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
	Tidy up and update description header
	Shorten needlessly long lines
	Remove all traces of non-CYG_KERNEL_USE_INIT_PRIORITY code

1999-01-15  Hugo Tyson  <[e-mail]>

	* src/mips.ld:
	Provide alternate definition of macro SECTION_rom_vectors() for
	RAM startup (CYG_HAL_STARTUP_RAM) so that minimal sim testing
	works.  Note: this is an instance where two definitions (of
	identical "API") of a macro occur in the prototype <target>.ld
	file; the MLT is required not to be confused by this.

1999-01-15  John Dallaway  <[e-mail]>

      * src/mips.ld: add section macro for .vsr_table

1999-01-13  John Dallaway  <[e-mail]>

      * src/mips.ld: add section macro for .rel.dyn

1999-01-13  John Dallaway  <[e-mail]>

      * src/mips.ld: new linker script for MLT
      * src/PKGconf.mak: add mips.ld rules for MLT

1999-01-13  Gary Thomas  <[e-mail]>

	* include/basetype.h: CYG_DOUBLE_BYTEORDER now in <infra/cyg_type.h>

1999-01-12  Gary Thomas  <[e-mail]>

	* include/basetype.h (CYG_DOUBLE_BYTEORDER): Define ordering
	for words within doubles.

1999-01-12  Nick Garnett  <[e-mail]>

	* include/hal_cache.h: 
	Modified HAL_DCACHE_INVALIDATE_ALL() to correctly touch all cache
	lines twice to ensure that the cache and memory are
	consistent. This is the best we can do without direct support for
	invalidation.
	
	* src/hal_misc.c: Altered call to patch_dbg_syscalls() to pass
	pointer to base of vector rather than a single vector entry.

1998-12-15  Jesper Skov  <[e-mail]>
        PR 18543

	* include/hal_cache.h (HAL_DCACHE_INVALIDATE): Fixed variable
	name.

1998-12-15  Jesper Skov  <[e-mail]>

	* include/hal_arch.h: 
	* src/context.S (hal_setjmp, hal_longjump):
	Added CYGARC definitions for jmpbuf entries.
	Corrected jmpbuf size.

1998-12-10  Jesper Skov  <[e-mail]>

	* include/hal_cache.h (HAL_DCACHE_UNLOCK_ALL,
	HAL_ICACHE_UNLOCK_ALL): Added.

1998-11-26  Jesper Skov  <[e-mail]>

	* include/mips-regs.h:
	* src/mips-stub.c:
	Added use of CYGARC_HAL_COMMON_EXPORT_CPU_MACROS.

1998-11-18  Gary Thomas  <[e-mail]>

	* include/hal_intr.h: Add support for interrupt latency
	measurements, controlled by CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY.

1998-10-27  Jesper Skov  <[e-mail]>
        PR 18033

	* include/hal_intr.h: Replaced CYGIMP_HAL_INTERRUPTS_CHAIN
	with the correct CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN.

1998-10-27  Jesper Skov  <[e-mail]>
        PR 18021
	* src/hal_misc.c (hal_ctrlc_isr): Removed break; to prevent
	compiler error.

1998-10-25  Jesper Skov  <[e-mail]>

	* src/mips-stub.c (__build_t_packet): Replaced
	CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT with
	CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT. 
	Fixed #endif comment.

	* src/hal_misc.c (hal_ctrlc_isr): Replaced
	CYGDBG_KERNEL_DEBUG_GDB_INCLUDE_STUBS with
	CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS.

	* include/hal_intr.h: Replaced CYGIMP_KERNEL_INTERRUPTS_CHAIN with
	CYGIMP_HAL_INTERRUPTS_CHAIN.

1998-10-23  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: Include pkgconf/hal.h.

1998-10-16  Bart Veer  <[e-mail]>

	* src/vectors.S (__interrupt_stack):
	Made the interrupt stack size configurable.

1998-10-16  Nick Garnett  <[e-mail]>

	* src/hal_misc.c:
	Enabled caches by default.

1998-10-14  Nick Garnett  <[e-mail]>

	* src/context.S (hal_thread_switch_context):
	Store copy of R31(RA) in PC slot in register state to keep GDB
	happy.
	* include/hal_arch.h (HAL_THREAD_INIT_CONTEXT):
	Intialize PC slot in register state.

	* src/hal_misc.c:
	Altered ifdefs to allow building without kernel present.

	* include/mips-stub.h:
	Include generic-stub.h from HAL rather than from kernel.

	* src/mips-stub.c:
	Added signal definitions to avoid including signal.h.

	* include/hal_intr.h:
	Added implementations of HAL_INTERRUPT_ACKNOWLEDGE() and
	HAL_INTERRUPT_SET_LEVEL().

1998-10-13  Jesper Skov  <[e-mail]>

	* src/hal_misc.c: Use GDB array rather than HAL_SavedRegisters
	structure. Rely on generic stub to pack/unpack the array.

	* include/hal_arch.h (HAL_GET_GDB_REGISTERS,
	HAL_SET_GDB_REGISTERS): get/set full register set.

1998-10-13  Jesper Skov  <[e-mail]>

	* include/mips-stub.h: Moved first use of regnames below
	definition.

Sun Sep 27 12:17:42 1998  Jesper Skov  <[e-mail]>

	* include/hal_cache.h (HAL_DCACHE_LOCK): Terminate asm string.

1998-09-26  Nick Garnett  <[e-mail]>

	* include/hal_cache.h:
	Cleaned up some compilation errors.

Tue Sep 15 19:13:43 1998  David Moore  <[e-mail]>

	* src/vectors.S: Cleaned up comments.

1998-09-15  Nick Garnett  <[e-mail]>

	* include/hal_arch.h (HAL_GET_GDB_REGISTERS):
	Initialized R30 to a copy of SP to avoid GDB making bogus memory
	references.

	* src/hal_misc.c:
	Added support for Ctrl-C processing when running under Cygmon.
	Fixed a compiler warning.

1998-09-14  Bart Veer  <[e-mail]>

	* src/PKGconf.mak:
	Made vectors.o dependent on the various files that can contain
	makefile variables or rules. This is needed after changes to
	pkgconf.tcl for PRs 17195 and 17286.

Mon Sep 14 11:10:20 1998  Jesper Skov  <[e-mail]>
        PR 17230
	
	* src/vectors.S: Replaced CYGIMP_KERNEL_INTERRUPTS_CHAIN with new
 	CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN.

1998-09-14  Nick Garnett  <[e-mail]>
        PR 17230

	* include/hal_intr.h:
	Added HAL_TRANSLATE_VECTOR() to translate a supplied vector number
	into one that can be used in the HAL. Added calls to it in
	HAL_INTERRUPT_ATTACH() and HAL_INTERRUPT_DETACH().

1998-09-12  Bart Veer  <[e-mail]>

	* include/pkgconf/hal_tx39.h:
	Added missing descriptions (PR 17184)

	* src/vectors.S:
	<pkgconf/kernel.h> was being included without properly checking
	that the kernel package was enabled.

	* src/hal_misc.c (exception_handler): 
	Sort out exception handling options (PR 16953)

1998-09-11  Nick Garnett  <[e-mail]>
        PR 17230
	
	* src/vectors.S (__default_interrupt_vsr):
	Modified interrupt decode code to preserve raising interrupt
	number to pass to ISR, even when using chained interrupts.

1998-09-03  Bart Veer  <[e-mail]>

	* src/mips-stub.c:
	Fixed type in config option name.

1998-09-02  Bart Veer  <[e-mail]>

	* include/pkgconf/hal_tx39.h: 
	New header file for architecture-specific configuration options
	
	* tests/PKGconf.mak: 
	* src/PKGconf.mak: 
	Sort out package naming conventions.
	
Tue Sep  1 19:26:45 1998  Hugo Tyson  <[e-mail]>

	* src/hal_misc.c: 
	Use CYGDBG_INFRA_DIAG_USE_DEVICE (from infra.h) instead of
	CYG_DIAG_USE_DEVICE (badly named, from kernel.h).

1998-09-01  Nick Garnett  <[e-mail]>

	* include/hal_intr.h:
	Added CYG_EXCEPTION_COUNT.

1998-08-28  Bart Veer  <[e-mail]>

	* src/vectors.S, src/context.S, src/hal_misc.c, src/mips-stub.c:
	Updated for new kernel configuration option symbol names

Fri Aug 28 10:01:24 1998  Jonathan Larmour  <[e-mail]>

	* src/hal_misc.c:
	Rename __main() to cyg_hal_invoke_constructors() to prevent the
	implied link with things called, or related to main(). Remove static
	initialised variable as we can now guarantee it is only called
	once.

	* src/vectors.S:
	Instead of calling main(), call cyg_start() which lives in the infra
	package.
	Explicitly invoke constructors as it isn't done magically for us
	any more, now that main() is no longer used.
	

1998-08-25  Nick Garnett  <[e-mail]>

	* src/vectors.S:
	Now pass pointer to saved registers as third argument to
	interrupt_end().

	* include/hal_arch.h:
	Added macros to support GDB.

Tue Aug 25 02:33:59 1998  Jonathan Larmour  <[e-mail]>

	* include/mips_stub.h, src/hal_misc.c: 
	Add void to prototypes and typedefs that want it to silence warnings

1998-08-21  Nick Garnett  <[e-mail]>

	* include/hal_cache.h:
	Now includes cyg_type.h rather than ktypes.h.	

1998-08-18  Nick Garnett  <[e-mail]>

	* src/context.S: 
	* include/hal_arch.h: 
	* include/hal_io.h: 
	* include/hal_intr.h:
	Now uses cyg_type.h rather than ktypes.h.

	* src/hal_misc.c: 
	* src/vectors.S:
	Now uses hal.h rather than kernel.h.

1998-07-23  Nick Garnett  <[e-mail]>

	* include/hal_intr.h: Fixed some issues raised bt code review.

	* src/context.S: 
	* include/hal_arch.h: Fixed some typos raised by code review.

	* include/hal_intr.h (HAL_INTERRUPT_MASK): 
	* src/vectors.S (hal_interrupt_level): Added hal_interrupt_level
	to allow for interaction between HAL_INTERRUPT_UNMASK() and
	HAL_INTERRUPT_SET_LEVEL().
	

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