50 lines
1 KiB
ArmAsm
50 lines
1 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
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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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#include <linux/linkage.h>
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.section .text..startup,"ax"
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.global startup
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startup:
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mov.l #startup, sp
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mov.l er0, er4
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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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mov.l er4, er0
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jmp @output
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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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.end
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