Move extboot to other optionroms

This unbreaks out-of-tree builds and reduces the differences to
upstream's top-level Makefile.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 0 insertions, 695 deletions

diff --git a/kvm/extboot/extboot.S b/kvm/extboot/extboot.S
deleted file mode 100644
index 1e60f6878..000000000
--- a/kvm/extboot/extboot.S
+++ /dev/null
@@ -1,695 +0,0 @@
-/*
- * Extended Boot Option ROM
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * Copyright IBM Corporation, 2007
- *   Authors: Anthony Liguori <aliguori@us.ibm.com>
- */
-
-.code16
-.text
-	.global _start
-_start:
-	.short 0xaa55
-	.byte (_end - _start) / 512
-	push %eax
-	push %ds
-
-	/* setup ds so we can access the IVT */
-	xor %ax, %ax
-	mov %ax, %ds
-
-	/* there is one more bootable HD */
-	incb 0x0475
-
-	/* save old int 19 */
-	mov (0x19*4), %eax
-	mov %eax, %cs:old_int19
-
-	/* install out int 19 handler */
-	movw $int19_handler, (0x19*4)
-	mov %cs, (0x19*4+2)
-
-	pop %ds
-	pop %eax
-	lret
-
-int19_handler:
-	push %eax
-	push %bx
-	push %cx
-	push %dx
-	push %ds
-
-	/* setup ds to access IVT */
-	xor %ax, %ax
-	mov %ax, %ds
-
-	movw $0x404, %dx
-	inb %dx, %al
-	cmp $1, %al
-	je 1f
-	cmp $2, %al
-	je 2f
-	jmp 3f
-
-1: /* hook int13: intb(0x404) == 1 */
-	/* save old int 13 to int 2c */
-	mov (0x13*4), %eax
-	mov %eax, %cs:old_int13
-
-	/* install our int 13 handler */
-	movw $int13_handler, (0x13*4)
-	mov %cs, (0x13*4+2)
-	jmp 3f
-
-2: /* linux boot: intb(0x404) == 2 */
-	cli
-	cld
-	mov $0x9000, %ax
-	mov %ax, %ds
-	mov %ax, %es
-	mov %ax, %fs
-	mov %ax, %gs
-	mov %ax, %ss
-	mov $0x8ffe, %sp
-	ljmp $0x9000 + 0x20, $0
-
-3: /* fall through: inb(0x404) == 0 */
-	/* restore previous int $0x19 handler */
-	mov %cs:old_int19,%eax
-	mov %eax,(0x19*4)
-	
-	pop %ds
-	pop %dx
-	pop %cx
-	pop %bx
-	pop %eax
-	ljmpw *%cs:old_int19
-
-#define FLAGS_CF	0x01
-
-/* The two macro below clear/set the carry flag to indicate the status
- * of the interrupt execution. It is not enough to issue a clc/stc instruction,
- * since the value of the flags register will be overwritten by whatever is
- * in the stack frame
- */
-.macro clc_stack
-	push %bp
-	mov %sp, %bp
-	/* 8 = 2 (bp, just pushed) + 2 (ip) + 3 (real mode interrupt frame) */
-	and $(~FLAGS_CF), 8(%bp)
-	pop %bp
-.endm
-
-.macro stc_stack
-	push %bp
-	/* 8 = 2 (bp, just pushed) + 2 (ip) + 3 (real mode interrupt frame) */
-	or $(FLAGS_CF), 8(%bp)
-	pop %bp
-.endm
-
-/* we clobber %bx */
-.macro alloca size
-	push %ds
-	push %bp
-	mov %sp, %bp  /* remember the current stack position */
-
-	mov %ss, %bx
-	mov %bx, %ds
-
-	sub \size, %sp
-	and $(~0x0F), %sp
-	mov %sp, %bx
-
-	push %bp
-	mov 0(%bp), %bp
-.endm
-
-/* we clobber %bp */
-.macro allocbpa size
-	mov %sp, %bp  /* remember the current stack position */
-	sub \size, %sp
-	and $(~0x0F), %sp
-	push %bp
-	mov %sp, %bp
-	add $2, %bp
-.endm
-
-.macro freea
-	pop %sp
-	add $2, %sp
-	pop %ds
-.endm
-
-.macro freebpa
-	pop %sp
-.endm
-
-.macro dump reg
-	push %ax
-	push %dx
-
-	mov \reg, %ax
-	mov $0x406, %dx
-	outw %ax, %dx
-
-	pop %dx
-	pop %ax
-.endm
-
-.macro callout value
-	push %bp
-	push %bx
-	mov %sp, %bp
-	alloca $16
-	push %ax
-	push %dx
-
-	mov %ax, 0(%bx)     /* ax */
-	mov 0(%bp), %ax     /* bx */
-	mov %ax, 2(%bx)
-	mov %cx, 4(%bx)     /* cx */
-	mov %dx, 6(%bx)     /* dx */
-	mov %si, 8(%bx)     /* si */
-	mov %ds, 10(%bx)    /* ds */
-	mov %es, 12(%bx)    /* ds */
-	movw \value, 14(%bx) /* value */
-
-	mov %bx, %ax
-	shr $4, %ax
-	mov %ds, %dx
-	add %dx, %ax
-
-	mov $0x407, %dx
-	outw %ax, %dx
-
-	pop %dx
-	pop %ax
-	freea
-	pop %bx
-	pop %bp
-.endm
-
-send_command:
-	push %bp
-	mov %sp, %bp
-	push %ax
-	push %bx
-	push %dx
-
-	mov 4(%bp), %ax
-	shr $4, %ax
-	and $0x0FFF, %ax
-	mov %ss, %bx
-	add %bx, %ax
-
-	mov $0x405, %dx
-	outw %ax, %dx
-
-	pop %dx
-	pop %bx
-	pop %ax
-	pop %bp
-
-	push %ax
-	mov 2(%bx), %ax
-	pop %ax
-
-	ret
-
-add32:  /* lo, hi, lo, hi */
-	push %bp
-	mov %sp, %bp
-
-	movw 4(%bp), %cx  /* hi */
-	movw 6(%bp), %dx  /* lo */
-
-	add  10(%bp), %dx
-	jnc 1f
-	add $1, %cx
-1:	add 8(%bp), %cx
-
-	pop %bp
-	ret
-
-mul32:  /* lo,      hi,     lo,     hi */
-	/* 10(%bp), 8(%bp), 6(%bp), 4(%bp) */
-	push %bp
-	mov %sp, %bp
-	push %ax
-	push %bx
-
-	xor %cx, %cx
-	xor %dx, %dx
-
-	/* for (i = 0; i < 16;) */
-	xor %bx, %bx
-0:
-	cmp $16, %bx
-	jge 2f
-
-	mov 6(%bp), %ax
-	and $1, %ax
-	cmp $1, %ax
-	jne 1f
-	push 10(%bp)
-	push 8(%bp)
-	push %dx
-	push %cx
-	call add32
-	add $8, %sp
-1:
-	shlw $1, 8(%bp)
-	movw 10(%bp), %ax
-	and $0x8000, %ax
-	cmp $0x8000, %ax
-	jne 1f
-	orw $1, 8(%bp)
-1:
-	shlw $1, 10(%bp)
-	shrw $1, 6(%bp)
-
-	/* i++) { */
-	add $1, %bx
-	jmp 0b
-
-2:
-	pop %bx
-	pop %ax
-	pop %bp
-	ret
-
-disk_reset:
-	movb $0, %ah
-	clc_stack
-	ret
-
-/* this really should be a function, not a macro but i'm lazy */
-.macro read_write_disk_sectors cmd
-	push %ax
-	push %bx
-	push %cx
-	push %dx
-	push %si
-
-	push %bp
-	sub $10, %sp
-	mov %sp, %bp
-
-	/* save nb_sectors */
-	mov %al, 6(%bp)
-	movb $0, 7(%bp)
-
-	/* save buffer */
-	mov %bx, 8(%bp)
-
-	/* cylinders */
-	xor %ax, %ax
-	mov %cl, %al
-	shl $2, %ax
-	and $0x300, %ax
-	mov %ch, %al
-	mov %ax, 0(%bp)
-
-	/* heads */
-	xor %ax, %ax
-	mov %dh, %al
-	mov %ax, 2(%bp)
-
-	/* sectors - 1 */
-	xor %ax, %ax
-	mov %cl, %al
-	and $0x3F, %al
-	sub $1, %ax
-	mov %ax, 4(%bp)
-
-	alloca $16
-
-	movw $0, 0(%bx) /* read c,h,s */
-	push %bx
-	call send_command
-	add $2, %sp
-
-	mov 6(%bx), %ax /* total_sectors */
-	mov 2(%bp), %si /* *= heads */
-	mul %si
-	add 4(%bp), %ax /* += sectors - 1 */
-
-	push 4(%bx) /* total_heads */
-	push $0
-	push 6(%bx) /* total_sectors */
-	push $0
-	call mul32
-	add $8, %sp
-
-	push 0(%bp) /* cylinders */
-	push $0
-	push %dx
-	push %cx
-	call mul32
-	add $8, %sp
-
-	add %ax, %dx
-	jnc 1f
-	add $1, %cx
-1:
-	freea
-
-	alloca $16
-
-	movw \cmd, 0(%bx) /* read */
-	movw 6(%bp), %ax /* nb_sectors */
-	movw %ax, 2(%bx)
-	movw %es, 4(%bx) /* segment */
-	movw 8(%bp), %ax /* offset */
-	mov %ax, 6(%bx)
-	movw %dx, 8(%bx) /* sector */
-	movw %cx, 10(%bx)
-	movw $0, 12(%bx)
-	movw $0, 14(%bx)
-
-	push %bx
-	call send_command
-	add $2, %sp
-
-	freea
-
-	add $10, %sp
-	pop %bp
-
-	pop %si
-	pop %dx
-	pop %cx
-	pop %bx
-	pop %ax
-
-	mov $0, %ah
-	clc_stack
-	ret
-.endm
-
-read_disk_sectors:
-	read_write_disk_sectors $0x01
-
-write_disk_sectors:
-	read_write_disk_sectors $0x02
-
-read_disk_drive_parameters:
-	push %bx
-
-	/* allocate memory for packet, pointer gets returned in bx */
-	alloca $16
-
-	/* issue command */
-	movw $0, 0(%bx) /* cmd = 0, read c,h,s */
-	push %bx
-	call send_command
-	add $2, %sp
-
-	/* normalize sector value */
-	movb 6(%bx), %cl
-	andb $0x3F, %cl
-	movb %cl, 6(%bx)
-
-	/* normalize cylinders */
-	subw $2, 2(%bx)
-
-	/* normalize heads */
-	subw $1, 4(%bx)
-
-	/* return code */
-	mov $0, %ah
-
-	/* cylinders */
-	movb 2(%bx), %ch
-	movb 3(%bx), %cl
-	shlb $6, %cl
-	andb $0xC0, %cl
-
-	/* sectors */
-	orb 6(%bx), %cl
-
-	/* heads */
-	movb 4(%bx), %dh
-
-	/* drives */
-	movb $1, %dl
-
-	/* status */
-	mov $0, %ah
-
-	freea
-
-	pop %bx
-
-	/* do this last since it's the most sensitive */
-	clc_stack
-	ret
-
-alternate_disk_reset:
-	movb $0, %ah
-	clc_stack
-	ret
-
-read_disk_drive_size:
-	push %bx
-	alloca $16
-
-	movw $0, 0(%bx) /* cmd = 0, read c,h,s */
-	push %bx
-	call send_command
-	add $2, %sp
-
-	/* cylinders - 1 to cx:dx */
-	mov 2(%bx), %dx
-	xor %cx, %cx
-	sub $1, %dx
-
-	/* heads */
-	push 4(%bx)
-	push $0
-	push %dx
-	push %cx
-	call mul32
-	add $8, %sp
-
-	/* sectors */
-	push 6(%bx)
-	push $0
-	push %dx
-	push %cx
-	call mul32
-	add $8, %sp
-
-	/* status */
-	mov $3, %ah
-
-	freea
-	pop %bx
-
-	clc_stack
-	ret
-
-check_if_extensions_present:
-	mov $0x30, %ah
-	mov $0xAA55, %bx
-	mov $0x07, %cx
-	clc_stack
-	ret
-
-.macro extended_read_write_sectors cmd
-	cmpb $10, 0(%si)
-	jg 1f
-	mov $1, %ah
-	stc_stack
-	ret
-1:
-	push %ax
-	push %bp
-	allocbpa $16
-
-	movw \cmd, 0(%bp) /* read */
-	movw 2(%si), %ax   /* nb_sectors */
-	movw %ax, 2(%bp)
-	movw 4(%si), %ax   /* offset */
-	movw %ax, 6(%bp)
-	movw 6(%si), %ax   /* segment */
-	movw %ax, 4(%bp)
-	movw 8(%si), %ax   /* block */
-	movw %ax, 8(%bp)
-	movw 10(%si), %ax
-	movw %ax, 10(%bp)
-	movw 12(%si), %ax
-	movw %ax, 12(%bp)
-	movw 14(%si), %ax
-	movw %ax, 14(%bp)
-
-	push %bp
-	call send_command
-	add $2, %sp
-
-	freebpa
-	pop %bp
-	pop %ax
-
-	mov $0, %ah
-	clc_stack
-	ret
-.endm
-
-extended_read_sectors:
-	extended_read_write_sectors $0x01
-
-extended_write_sectors:
-	extended_read_write_sectors $0x02
-
-get_extended_drive_parameters:
-	push %ax
-	push %bp
-	push %cx
-	push %dx
-
-	allocbpa $16
-
-	movw $0, 0(%bp) /* read c,h,s */
-	push %bp
-	call send_command
-	add $2, %sp
-
-	/* write size */
-	movw $26, 0(%si)
-
-	/* set flags to 2 */
-	movw $2, 2(%si)
-
-	/* cylinders */
-	mov 2(%bp), %ax
-	mov %ax, 4(%si)
-	xor %ax, %ax
-	mov %ax, 6(%si)
-
-	/* heads */
-	mov 4(%bp), %ax
-	mov %ax, 8(%si)
-	xor %ax, %ax
-	mov %ax, 10(%si)
-
-	/* sectors */
-	mov 6(%bp), %ax
-	mov %ax, 12(%si)
-	xor %ax, %ax
-	mov %ax, 14(%si)
-
-	/* set total number of sectors */
-	mov 8(%bp), %ax
-	mov %ax, 16(%si)
-	mov 10(%bp), %ax
-	mov %ax, 18(%si)
-	mov 12(%bp), %ax
-	mov %ax, 20(%si)
-	mov 14(%bp), %ax
-	mov %ax, 22(%si)
-
-	/* number of bytes per sector */
-	movw $512, 24(%si)
-
-	freebpa
-
-	pop %dx
-	pop %cx
-	pop %bp
-	pop %ax
-
-	mov $0, %ah
-	clc_stack
-	ret
-
-terminate_disk_emulation:
-	mov $1, %ah
-	stc_stack
-	ret
-
-int13_handler:
-	cmp $0x80, %dl
-	je 1f
-	ljmpw *%cs:old_int13
-1:
-	cmp $0x0, %ah
-	jne 1f
-	call disk_reset
-	iret
-1:
-	cmp $0x2, %ah
-	jne 1f
-	call read_disk_sectors
-	iret
-1:
-	cmp $0x8, %ah
-	jne 1f
-	call read_disk_drive_parameters
-	iret
-1:
-	cmp $0x15, %ah
-	jne 1f
-	call read_disk_drive_size
-	iret
-1:
-	cmp $0x41, %ah
-	jne 1f
-	call check_if_extensions_present
-	iret
-1:
-	cmp $0x42, %ah
-	jne 1f
-	call extended_read_sectors
-	iret
-1:
-	cmp $0x48, %ah
-	jne 1f
-	call get_extended_drive_parameters
-	iret
-1:
-	cmp $0x4b, %ah
-	jne 1f
-	call terminate_disk_emulation
-	iret
-1:
-	cmp $0x0d, %ah
-	jne 1f
-	call alternate_disk_reset
-	iret
-1:
-	cmp $0x03, %ah
-	jne 1f
-	call write_disk_sectors
-	iret
-1:
-	cmp $0x43, %ah
-	jne 1f
-	call extended_write_sectors
-	iret
-1:
-	int $0x18  /* boot failed */
-	iret
-
-/* Variables */
-.align 4, 0
-old_int13:	.long 0
-old_int19:	.long 0
-	
-.align 512, 0
-_end: