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Remove boot98

PATCH New Brian Gerst 1 participant 1 message Jul 28, 2004

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PATCH 1/1 Remove boot98

Remove the orphaned PC9800 boot code.

--
Brian Gerst

arch/i386/boot98/compressed/head.S +0 -128
diff -urN linux-2.6.8-rc2-bk/arch/i386/boot98/compressed/head.S linux/arch/i386/boot98/compressed/head.S
@@ -1,128 +0,0 @@
-/*
- *  linux/boot/head.S
- *
- *  Copyright (C) 1991, 1992, 1993  Linus Torvalds
- */
-
-/*
- *  head.S contains the 32-bit startup code.
- *
- * NOTE!!! Startup happens at absolute address 0x00001000, which is also where
- * the page directory will exist. The startup code will be overwritten by
- * the page directory. [According to comments etc elsewhere on a compressed
- * kernel it will end up at 0x1000 + 1Mb I hope so as I assume this. - AC]
- *
- * Page 0 is deliberately kept safe, since System Management Mode code in 
- * laptops may need to access the BIOS data stored there.  This is also
- * useful for future device drivers that either access the BIOS via VM86 
- * mode.
- */
-
-/*
- * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996
- */
-.text
-
-#include <linux/linkage.h>
-#include <asm/segment.h>
-
-	.globl startup_32
-	
-startup_32:
-	cld
-	cli
-	movl $(__BOOT_DS),%eax
-	movl %eax,%ds
-	movl %eax,%es
-	movl %eax,%fs
-	movl %eax,%gs
-
-	lss stack_start,%esp
-	xorl %eax,%eax
-1:	incl %eax		# check that A20 really IS enabled
-	movl %eax,0x000000	# loop forever if it isn't
-	cmpl %eax,0x100000
-	je 1b
-
-/*
- * Initialize eflags.  Some BIOS's leave bits like NT set.  This would
- * confuse the debugger if this code is traced.
- * XXX - best to initialize before switching to protected mode.
- */
-	pushl $0
-	popfl
-/*
- * Clear BSS
- */
-	xorl %eax,%eax
-	movl $_edata,%edi
-	movl $_end,%ecx
-	subl %edi,%ecx
-	cld
-	rep
-	stosb
-/*
- * Do the decompression, and jump to the new kernel..
- */
-	subl $16,%esp	# place for structure on the stack
-	movl %esp,%eax
-	pushl %esi	# real mode pointer as second arg
-	pushl %eax	# address of structure as first arg
-	call decompress_kernel
-	orl  %eax,%eax 
-	jnz  3f
-	popl %esi	# discard address
-	popl %esi	# real mode pointer
-	xorl %ebx,%ebx
-	ljmp $(__BOOT_CS), $0x100000
-
-/*
- * We come here, if we were loaded high.
- * We need to move the move-in-place routine down to 0x1000
- * and then start it with the buffer addresses in registers,
- * which we got from the stack.
- */
-3:
-	movl $move_routine_start,%esi
-	movl $0x1000,%edi
-	movl $move_routine_end,%ecx
-	subl %esi,%ecx
-	addl $3,%ecx
-	shrl $2,%ecx
-	cld
-	rep
-	movsl
-
-	popl %esi	# discard the address
-	popl %ebx	# real mode pointer
-	popl %esi	# low_buffer_start
-	popl %ecx	# lcount
-	popl %edx	# high_buffer_start
-	popl %eax	# hcount
-	movl $0x100000,%edi
-	cli		# make sure we don't get interrupted
-	ljmp $(__BOOT_CS), $0x1000 # and jump to the move routine
-
-/*
- * Routine (template) for moving the decompressed kernel in place,
- * if we were high loaded. This _must_ PIC-code !
- */
-move_routine_start:
-	movl %ecx,%ebp
-	shrl $2,%ecx
-	rep
-	movsl
-	movl %ebp,%ecx
-	andl $3,%ecx
-	rep
-	movsb
-	movl %edx,%esi
-	movl %eax,%ecx	# NOTE: rep movsb won't move if %ecx == 0
-	addl $3,%ecx
-	shrl $2,%ecx
-	rep
-	movsl
-	movl %ebx,%esi	# Restore setup pointer
-	xorl %ebx,%ebx
-	ljmp $(__BOOT_CS), $0x100000
-move_routine_end:
arch/i386/boot98/compressed/Makefile +0 -25
diff -urN linux-2.6.8-rc2-bk/arch/i386/boot98/compressed/Makefile linux/arch/i386/boot98/compressed/Makefile
@@ -1,25 +0,0 @@
-#
-# linux/arch/i386/boot/compressed/Makefile
-#
-# create a compressed vmlinux image from the original vmlinux
-#
-
-targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
-EXTRA_AFLAGS	:= -traditional
-
-LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup_32
-
-$(obj)/vmlinux: $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE
-	$(call if_changed,ld)
-	@:
-
-$(obj)/vmlinux.bin: vmlinux FORCE
-	$(call if_changed,objcopy)
-
-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,gzip)
-
-LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
-
-$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
-	$(call if_changed,ld)
arch/i386/boot98/compressed/misc.c +0 -379

379 lines not on this page · raw message

arch/i386/boot98/compressed/vmlinux.scr +0 -9
diff -urN linux-2.6.8-rc2-bk/arch/i386/boot98/compressed/vmlinux.scr linux/arch/i386/boot98/compressed/vmlinux.scr
@@ -1,9 +0,0 @@
-SECTIONS
-{
-  .data : { 
-	input_len = .;
-	LONG(input_data_end - input_data) input_data = .; 
-	*(.data) 
-	input_data_end = .; 
-	}
-}
arch/i386/boot98/tools/build.c +0 -185

185 lines not on this page · raw message