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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/h8300/boot/compressed/head.S
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/*

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 *  linux/arch/h8300/boot/compressed/head.S

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 *

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 *  Copyright (C) 2006 Yoshinori Sato

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 */

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	.h8300h

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#include <linux/linkage.h>

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#define SRAM_START 0xff4000

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	.section	.text..startup

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	.global	startup

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startup:

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	mov.l	#SRAM_START+0x8000, sp

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	mov.l	#__sbss, er0

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	mov.l	#__ebss, er1

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	sub.l	er0, er1

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	shlr	er1

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	shlr	er1

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	sub.l	er2, er2

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1:

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	mov.l	er2, @er0

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	adds	#4, er0

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	dec.l	#1, er1

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	bne	1b

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	jsr	@_decompress_kernel

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	jmp	@0x400000

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	.align	9

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fake_headers_as_bzImage:

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	.word	0

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	.ascii	"HdrS"		; header signature

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	.word	0x0202		; header version number (>= 0x0105)

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				; or else old loadlin-1.5 will fail)

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	.word	0		; default_switch

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	.word	0		; SETUPSEG

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	.word	0x1000

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	.word	0		; pointing to kernel version string

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	.byte	0		; = 0, old one (LILO, Loadlin,

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				; 0xTV: T=0 for LILO

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				;       V = version

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	.byte	1		; Load flags bzImage=1

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	.word	0x8000		; size to move, when setup is not

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	.long	0x100000	; 0x100000 = default for big kernel

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	.long	0		; address of loaded ramdisk image

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	.long	0		; its size in bytes

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