changelog

开放源码实时操作系统源码.

	* include/plf_arch.h: File added. Currently contains nothing.

	* include/platform.inc: floppy boot code moved to PCMB HAL. FPU
	support moved to architectural HAL. Various tidies.

	* cdl/hal_i386_pc.cdl: Many changes to bring this HAL in line with
	reorganization of whole i386 HAL. Lots of stuff deleted, and other
	things moved out to PCMB package.

	* misc/redboot_FLOPPY.ecm: Added setting of CYGSEM_HAL_ROM_MONITOR
	to 1.

	* include/var_intr.h:
	* include/variant.inc:
	* src/hal_intr.c:
	* src/hal_startup.c:
	* src/var_misc.c:
	Files removed. Most of the contents of these files has become
	redundant. Those parts that are not have been moved to more
	appropriate places.
	
2001-03-06  Nick Garnett  <[e-mail]>

	[x86 branch]
	* src/var_misc.c: Rewrote clock init and access functions in terms
	of HAL IO macros.

	* src/plf_misc.c:
	Added call to HAL_CLOCK_INITIALIZE() to hal_platform_init() when
	in RedBoot configurations.
	Rewrote hal_delay_us() to use timer 0.

	* misc/redboot_FLOPPY.ecm: Added ETH drivers to configuration.

	* include/pkgconf/mlt_i386_pc_floppy.ldi: 
	* include/pkgconf/mlt_i386_pc_floppy.h:
	Added __pci_window label for use with PCI devices.

	* include/plf_misc.h: Removed unnecessary port IO functions.

	* include/plf_io.h:
	Gave correct values to HAL_PCI_PHYSICAL_MEMORY_BASE and friends.
	Tidied up a bit.	

2001-03-05  Nick Garnett  <[e-mail]>

	[x86 branch]
	Some of these changes were initially made by Fabrice Gautier and
	then liberally modified by me.
	
	* src/var_misc.c: Miscellaneous tidies.

	* src/plf_misc.c (hal_platform_init): Some redundant stuff
	removed.

	* src/plf_stub.c: 
	* src/hal_startup.c: 
	* src/hal_intr.c:
	Lots of stuff removed from these files. When we reorganise the
	HAL, these files should be eliminated.

	* src/hal_diag.c:
	Lots of changes to support IF vectors for both serial ports and
	screen/keyboard.

	* misc/redboot_FLOPPY.ecm: 
	* misc/redboot_ROM.ecm:
	ecosconfig import files to generate Redboot configs.

	* include/pkgconf/mlt_i386_pc_floppy.ldi: 
	* include/pkgconf/mlt_i386_pc_floppy.mlt: 
	* include/pkgconf/mlt_i386_pc_ram.ldi: 
	* include/pkgconf/mlt_i386_pc_ram.mlt:
	Updated to reflect new memory layout for Redboot and RAM apps.

	* include/var_intr.h: Tidied up and made consistent with rest of
	HAL. HAL_TRANSLATE_VECTOR() used where necessary.

	* include/plf_stub.h: Some minor changes and tidies.

	* include/plf_misc.h: Tidied up. This file should eventually
	become redundant.

	* include/plf_io.h: New file - contains PCI support code.

	* include/plf_intr.h: Added HAL_PLATFORM_RESET_ENTRY.

	* include/platform.inc:
	Better separation of startup types, added start of ROM startup.
	Added IDT initialization. Various tidies.

	* include/hal_diag.h: Added virtual vector support.

	* cdl/hal_i386_pc.cdl: Many changes to support Redboot.

2001-01-26  Jesper Skov  <[e-mail]>

	* include/plf_stub.h: Reset macros moved
	* include/plf_intr.h: to this file.

2000-12-05  Hugo Tyson  <[e-mail]>

	* src/plf_misc.c (hal_pc_fpe_dsr): Raise the base stack address by
	CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE if that is defined;
	otherwise a stack overflow would immediately be reported.

2000-11-02  Fabrice Gautier <[e-mail]>

	* src/platform.inc (hal_cpu_init): Load image from floppy one
        sector at a time to avoid "DMA access across 64k boundary" error.

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

	* include/pkgconf/mlt_i386_pc_floppy.mlt:
	Add heap1 section

	* include/pkgconf/mlt_i386_pc_floppy.h:
	* include/pkgconf/mlt_i386_pc_ram.h:
	* include/pkgconf/mlt_i386_pc_floppy.ldi:
	* include/pkgconf/mlt_i386_pc_ram.ldi:
	Regenerated

2000-10-19  Jesper Skov  <[e-mail]>

	* include/pkgconf/mlt_i386_pc_ram.h: Added heap1 label.
	* include/pkgconf/mlt_i386_pc_ram.mlt: Same.
	* include/pkgconf/mlt_i386_pc_ram.ldi: Same.

2000-08-18  Nick Garnett  <[e-mail]>

	* include/platform.inc:
	* include/var_intr.h:
	Fixed code to acknowledge interrupts to always ack on the master
	controller and ack the slave controller when it is INT8 or higher.

2000-06-20  Nick Garnett  <[e-mail]>

	* include/var_intr.h: Added cast to _data_ argument in
	HAL_INTERRUPT_ATTACH() to prevent compiler errors.

2000-03-23  Nick Garnett  <[e-mail]>

	* doc/RELEASENOTES.txt: Added this file to contain release notes.

2000-03-15  Nick Garnett  <[e-mail]>

	* src/hal_diag.c: Added code to handle keyboard input on PC when
	using SCREEN diagnostics. This is as much for completeness and
	future use than for any pressing current need.

	* include/platform.inc: Fixed some mismatches between instruction
	suffixes and operand sizes that the latest i386 assembler now
	warns about. Also tidied up GDT and IDT load code and protected
	mode switch because of warnings from assembler.

2000-03-09  Jesper Skov  <[e-mail]>

	* include/platform.inc:
	* cdl/hal_i386_pc.cdl: Rename CYGHWR_HAL_STARTUP to
	CYG_HAL_STARTUP for consistency with other HALs (and tools).

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

	* cdl/hal_i386_pc.cdl (CYGBLD_GLOBAL_COMMAND_PREFIX): 
	Use i386-elf toolchain by default, although add a note in the
	description that appropriate versions of native linux tools can
	also be used.

2000-03-01  Nick Garnett  <[e-mail]>

	* src/plf_stub.c (cyg_hal_gdb_isr): Added check for a character
	being available at the serial line. With the introduction of GDB O
	packet debugging, it is possible for this code to see a spurious
	interrupt and get stuck in hal_pc_get_char().

	* include/var_intr.h:
	Modified interrupt enable/disable code so that it is closer in
	behavior to other HALs.

	* include/platform.inc:
	Changed floppy bootstrap code so it can load binaries greater than
	64k and only loads the .text+.data parts, not the .bss.

2000-02-18  Jonathan Larmour  <[e-mail]>

	* cdl/hal_i386_pc.cdl (CYGBLD_BUILD_GDB_STUBS): When
	building stubs, define every dependency required here rather than
	in the template

2000-02-18  John Dallaway  <[e-mail]>

	* include/pkgconf/mlt_i386_pc_ram.mlt,
	  include/pkgconf/mlt_i386_pc_floppy.mlt:

	Add/update memory layout save files to match the corresponding
	linker script fragments.

2000-02-16  Nick Garnett  <[e-mail]>

	* src/hal_diag.c: Added support for generating GDB O packets when
	diagnosing to serial0.

	* include/plf_intr.h: Added missed copyright notice.

2000-02-15  Nick Garnett  <[e-mail]>

        * cdl/hal_i386_pc.cdl:
        * include/hal_diag.h: 
        * include/platform.inc: 
        * include/plf_intr.h: 
        * include/plf_misc.h: 
        * include/plf_stub.h: 
        * include/var_intr.h: 
        * include/variant.inc: 
        * include/pkgconf/hal_i386_pc.h: 
        * include/pkgconf/mlt_i386_pc_floppy.h: 
        * include/pkgconf/mlt_i386_pc_floppy.ldi: 
        * include/pkgconf/mlt_i386_pc_ram.h: 
        * include/pkgconf/mlt_i386_pc_ram.ldi: 
        * include/pkgconf/mlt_i386_pc_ram.mlt: 
        * src/PKGconf.mak: 
        * src/hal_diag.c: 
        * src/hal_intr.c: 
        * src/hal_startup.c: 
        * src/plf_misc.c: 
        * src/plf_stub.c: 
        * src/var_misc.c:
	Files added to provide PC support. Most of these are based on code
	contributed by Patrick O'Grady ([e-mail]).
	

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