changelog

开放源码实时操作系统源码.

	* src/vectors.S (hal_pc_irq): Use correct register for ISR return value
	when calling interrupt_end()
	Thanks to Phil Hinton for reporting.

2000-10-20  Jonathan Larmour  <[e-mail]>

	* src/vectors.S (_start): call constructors after initializing
	stub so that they can be debugged. Reported to work okay
	by Fabrice Gautier.

2000-09-05  Jonathan Larmour  <[e-mail]>

	* include/basetype.h: Use 32-byte alignment

2000-08-14  Jonathan Larmour  <[e-mail]>

	From Fabrice Gautier:
	* src/hal_misc.c (hal_zero_bss): Use __bss_end not _end
	* src/i386.ld: Add __bss_end symbol to end of SECTION_bss

2000-06-21  Nick Garnett  <[e-mail]>

	* src/i386_stub.c: Removed use of CYG_LABEL_NAME() and added
	underscore to _breakinst.

	* src/i386.ld: Switched to new table definition mechanism.

	* include/basetype.h: Removed definition of CYG_LABEL_NAME().

2000-06-08  Jesper Skov  <[e-mail]>

	* include/hal_arch.h (CYGARC_HAL_SAVE_GP, CYGARC_HAL_RESTORE_GP):
	Added.

2000-03-27  Jonathan Larmour  <[e-mail]>

	* include/basetype.h: Let cyg_halbool revert to the system default
	(i.e. a word)

2000-03-24  Jesper Skov  <[e-mail]>

	* include/basetype.h: Define bool type since it's only 8 bits.
	(cyg_halbool): always unsigned char.

2000-03-02  Jonathan Larmour  <[e-mail]>

	* src/hal_misc.c (cyg_hal_exception_handler): Comment out since
	it's unimplemented

2000-02-16  Jesper Skov  <[e-mail]>

	* src/i386_stub.c: CYG_HAL_I386 -> CYGPKG_HAL_I386

2000-02-16  Jesper Skov  <[e-mail]>

	* cdl/hal_i386.cdl: remove fix mes.

2000-02-10  Nick Garnett  <[e-mail]>

	* include/hal_arch.h: Merged PC platform support changes
	contributed by Patrick O'Grady (pjo)([e-mail]).

	* include/hal_intr.h: Moved Linux specific support out to its own
	var_intr.h.

	* src/context.S: Added FP switch code from pjo, suitably
	protected.

	* src/PKGconf.mak: Added i386_stub.c to COMPILE list.

	* cdl/hal_i386.cdl: Added i386_stub.c to compile list.

	* src/i386_stub.c:
	* include/arch.inc: Files added.

	* src/hal_misc.c: Added hal_zero_bss().

	* src/vectors.S: Added PC support code.

2000-01-28  Gary Thomas  <[e-mail]>

	* src/i386.ld: Add support for network package.

2000-01-21  Jesper Skov  <[e-mail]>

	* include/hal_intr.h (HAL_INTERRUPT_MASK, HAL_INTERRUPT_UNMASK): 
	Define.

	(HAL_INTERRUPT_ACKNOWLEDGE): 
	(HAL_CLOCK_RESET): 
	Let acknowledge clear pending flag, but leave unblocking to
	clients of the interrupt (i.e., RTC).

1999-12-02  John Dallaway  <[e-mail]>

	* cdl/hal_i386.cdl:

	Use the <PACKAGE> token in custom rules.

1999-12-01  John Dallaway  <[e-mail]>

	* cdl/hal_i386.cdl:

	Use the <PREFIX> token in custom rules.

1999-11-04  John Dallaway  <[e-mail]>

	* cdl/hal_i386.cdl:

	Output custom rule dependency information to .deps files in
	the current directory.

	Dispense with the need to create a 'src' sub-directory.

1999-11-01  Jesper Skov  <[e-mail]>

	* cdl/hal_i386.cdl: Added.

1999-10-25  Jonathan Larmour  <[e-mail]>

	* src/i386.ld: Add asterisks to input section names to make them more
	tolerant of subtle differences

1999-10-05  Jesper Skov  <[e-mail]>
        From Andrew Lunn ([e-mail])
	* include/hal_arch.h (HAL_IDLE_THREAD_ACTION): Defined.

1999-05-14  Jesper Skov  <[e-mail]>
        PR 18956
	* src/i386.ld: Fixed problem with rel_got.
	Encode . in section name as __.

1999-05-13  Hugo Tyson  <[e-mail]>

	* include/hal_arch.h (HAL_THREAD_INIT_CONTEXT): Align stack
	(rather conservatively) before use.

1999-04-28  Bart Veer  <[e-mail]>

	* src/PKGconf.mak: 
	Remove the -n argument to tail, it does not appear to be required
	on any supported host and causes problems with some
	implementations of tail.

1999-04-14  Jonathan Larmour  <[e-mail]>

	* src/PKGconf.mak (EXTRAS): Don't generate extras.o here any more
	But do define EXTRAS every time for the linker script

1999-04-08  John Dallaway  <[e-mail]>

	* src/*.ld: Use double underscore substitution for period
	character in SECTION_* macro names (PR 19787)

1999-04-08  John Dallaway  <[e-mail]>

	* src/*.ld: Revised SECTION_* macro arguments to
	avoid padded output sections (PR 19787)

1999-03-23  Jesper Skov  <[e-mail]>

	* include/hal_arch.h: Added stack values.

1999-03-22  Hugo Tyson  <[e-mail]>

	* include/hal_arch.h: 
	Use CYGNUM_HAL_STACK_SIZE_TYPICAL for the stack size instead of
	CYGNUM_HAL_MINIMUM_STACK_SIZE.

1999-03-22  Jesper Skov  <[e-mail]>

	* src/vectors.S: 
	* include/hal_intr.h:
	Changed CYG_HAL_ to CYGPKG_HAL_

	* include/hal_intr.h:
	Include the hal_i386_linux header file. 

1999-03-22  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: 
	* include/hal_arch.h: 
	Cleaned up some FIX MEs.

1999-03-17  John Dallaway  <[e-mail]>

	* src/PKGconf.mak: Remove dependence on echo '-e' switch.

1999-03-16  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: 
	Cleaned up macros. 
	Renamed hal_ to	cyg_hal_. 

1999-03-12  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: Default contents of vector table changed.

1999-03-12  Gary Thomas  <[e-mail]>

	* include/hal_arch.h: Add definition of 'CYGNUM_HAL_MINIMUM_STACK_SIZE'

1999-03-10  Jesper Skov  <[e-mail]>

	* include/hal_intr.h (HAL_INTERRUPT_IN_USE): Added.

1999-03-08  Nick Garnett  <[e-mail]>

	* src/i386.ld:
	Added alignment before definition of __DEVTAB__.

1999-03-05  Gary Thomas  <[e-mail]>

	* src/i386.ld: 
	* src/PKGconf.mak: Clean up I/O package changes.

1999-03-04  Jonathan Larmour  <[e-mail]>

	* src/i386.ld: 
	Add INPUT(libextras.a), add libextras.a to GROUP() and include
	new section for device driver table

1999-02-25  Nick Garnett  <[e-mail]>

	* src/i386.ld:
	Removed alias for Cyg_Scheduler::sched_lock, since this is now
	handled elsewhere.

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

	* include/hal_arch.h: 
	Rename deliver_exception -> cyg_hal_deliver_exception

	* 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 exception_handler -> cyg_hal_exception_handler

1999-02-08  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: Always allocate space for at least one
	exception vector.

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

	* src/i386.ld: Add LMA_EQ_VMA macro definition.

1999-01-29  Jesper Skov  <[e-mail]>
        PR 18966
	* src/hal_misc.c (cyg_hal_invoke_constructors): Added
	cyg_hal_stop_constructors code.

1999-01-25  Jesper Skov  <[e-mail]>

	* src/i386.ld: Added rel.got section. Cleaned up a bit.

1999-01-22  Jesper Skov  <[e-mail]>

	* src/hal_misc.c: Moved external declarations into top-level
	scope to avoid compiler warning.

1999-01-20  Jesper Skov  <[e-mail]>

	* include/hal_arch.h: 
	* src/context.S: 
	Added setjmp/longjmp support.

	* src/hal_misc.c: Removed bogus setjmp/longjmp functions.

1999-01-20  Jesper Skov  <[e-mail]>

	* src/context.S: 
	* include/hal_arch.h:
	* include/i386.inc: [added]
	Rewrote the context switch code.

1999-01-20  Jesper Skov  <[e-mail]>

	* src/i386.ld (SECTION_bss): Added align statement.

1999-01-14  Jesper Skov  <[e-mail]>

	* src/hal_misc.c: Add bogus setjmp & longjmp functions to prevent
	compiler error.

1999-01-12  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: Made virtual timer the default.

1999-01-12  Jesper Skov  <[e-mail]>

	* include/hal_intr.h (HAL_CLOCK_LATENCY): Return the clock read
	value.

1999-01-12  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: Made all Linux stuff CYG_HAL_I386_LINUX
	conditional.

	* include/hal_cache.h: Added HAL_DCACHE_UNLOCK_ALL (empty) macro.

1999-01-12  Jesper Skov  <[e-mail]>

	* include/pkgconf/hal_i386.h: Added.

1999-01-11  Jesper Skov  <[e-mail]>

	* include/hal_arch.h: Fix HAL_SavedRegisters struct definition.

	* include/hal_intr.h: Made interrupt enable/disable macros behave
	more like the macros used for real HW CPUs.

1999-01-11  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: Removed IN_OUT target conditional.

1999-01-11  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: 
	* include/hal_io.h: 
	Cleaned up some more.

	* include/hal_diag.h: Moved to i386/linux

	* include/hal_arch.h: 
	* include/basetype.h: 
	Comment fix.

1999-01-08  Jesper Skov  <[e-mail]>

	* include/basetype.h (CYG_LABEL_NAME): Added.

1999-01-07  Jesper Skov  <[e-mail]>

	* include/hal_intr.h (HAL_CLOCK_INITIALIZE): Use _period_
	argument.
	Added CYG_VECTOR_ definitions.
	Added choice for real/virtual time (no config yet).

1999-01-07  Jesper Skov  <[e-mail]>

	* src/vectors.S: 
	* src/hal_misc.c: 
	* src/context.S: 
	* include/hal_io.h: 
	* include/hal_cache.h: 
	* include/hal_arch.h: 
	* include/basetype.h: 
	* include/hal_diag.h: 
	Changed comment style & removed tabs.

1999-01-07  Jesper Skov  <[e-mail]>

	* src/hal_misc.c (cyg_hal_invoke_constructors): Match new link
	behavior.

1999-01-07  Jesper Skov  <[e-mail]>

	* src/vectors.S: Added. Simple stub for now.

	* src/crt_end.c:
	* src/crtbegin.c:
	Removed.

	* src/PKGconf.mak:
	* include/hal_intr.h:
	Cleaned up.

1999-01-06  Jesper Skov  <[e-mail]>

	* src/crtbegin.c: 
	* src/crt_end.c: 
	* include/hal_intr.h:
	* include/hal_diag.h:
	* include/hal_arch.h:
	Fixed remaining warnings.

	* include/hal_intr.h (HAL_CLOCK_INITIALIZE): Changed timeout
	value.

1999-01-06  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: Move extern declarations into global scope,
	extern"C" doesn't work in sub-scopes.
	* include/hal_arch.h: Use CYG_MACRO_START/END, not HAL_...

1998-12-18  Jesper Skov  <[e-mail]>

	* include/hal_intr.h: 
	* include/hal_arch.h:
        Fixed compiler warnings.
        Use CYG_MACRO_START/END.
        Added new HAL macros.

Wed Dec  9 14:09:47 GMT 1998   Chris Provenzano  <[e-mail]>

	* src/crtbegin.c: Added.
	* src/crt_begin.c: Removed.
	* src/PKGconf.mak: Compile crtbegin.c to create the correct file 
        for linking. This is to turn on init-priority for i386 linux target.

        The default i386 linker script looks for the file named crtbegin.o
        and then looks for the .ctors section within that file to
        determine where to put the sorted constructors.
	
Mon Nov  9 15:18:11 GMT 1998   Chris Provenzano  <[e-mail]>

	Initial i386 linux port.

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