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/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/arch/h8300/boot/compressed/head.S
*
* Copyright (C) 2006 Yoshinori Sato
*/
#include <linux/linkage.h>
.section .text..startup,"ax"
.global startup
startup:
mov.l #startup, sp
mov.l er0, er4
mov.l #__sbss, er0
mov.l #__ebss, er1
sub.l er0, er1
shlr er1
shlr er1
sub.l er2, er2
1:
mov.l er2, @er0
adds #4, er0
dec.l #1, er1
bne 1b
jsr @decompress_kernel
mov.l er4, er0
jmp @output
.align 9
fake_headers_as_bzImage:
.word 0
.ascii "HdrS" ; header signature
.word 0x0202 ; header version number (>= 0x0105)
; or else old loadlin-1.5 will fail)
.word 0 ; default_switch
.word 0 ; SETUPSEG
.word 0x1000
.word 0 ; pointing to kernel version string
.byte 0 ; = 0, old one (LILO, Loadlin,
; 0xTV: T=0 for LILO
; V = version
.byte 1 ; Load flags bzImage=1
.word 0x8000 ; size to move, when setup is not
.long 0x100000 ; 0x100000 = default for big kernel
.long 0 ; address of loaded ramdisk image
.long 0 ; its size in bytes
.end
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