1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * linux/arch/h8300/boot/compressed/head.S 4 * 5 * Copyright (C) 2006 Yoshinori Sato 6 */ 7 8 #include <linux/linkage.h> 9 10 .section .text..startup,"ax" 11 .global startup 12 startup: 13 mov.l #startup, sp 14 mov.l er0, er4 15 mov.l #__sbss, er0 16 mov.l #__ebss, er1 17 sub.l er0, er1 18 shlr er1 19 shlr er1 20 sub.l er2, er2 21 1: 22 mov.l er2, @er0 23 adds #4, er0 24 dec.l #1, er1 25 bne 1b 26 jsr @decompress_kernel 27 mov.l er4, er0 28 jmp @output 29 30 .align 9 31 fake_headers_as_bzImage: 32 .word 0 33 .ascii "HdrS" ; header signature 34 .word 0x0202 ; header version number (>= 0x0105) 35 ; or else old loadlin-1.5 will fail) 36 .word 0 ; default_switch 37 .word 0 ; SETUPSEG 38 .word 0x1000 39 .word 0 ; pointing to kernel version string 40 .byte 0 ; = 0, old one (LILO, Loadlin, 41 ; 0xTV: T=0 for LILO 42 ; V = version 43 .byte 1 ; Load flags bzImage=1 44 .word 0x8000 ; size to move, when setup is not 45 .long 0x100000 ; 0x100000 = default for big kernel 46 .long 0 ; address of loaded ramdisk image 47 .long 0 ; its size in bytes 48 49 .end 50