head-l7200.s

Linux内核源代码 为压缩文件 是<<Linux内核>>一书中的源代码

/* 
 * linux/arch/arm/boot/compressed/head-l7200.S
 * 
 * Copyright (C) 2000 Steve Hill <[e-mail]>
 * 
 * Some code borrowed from Nicola Pitre's 'head-sa1100.S' file. This
 * is merged with head.S by the linker.
 */

#include <linux/config.h>

#ifndef CONFIG_ARCH_L7200
#error What am I doing here...
#endif

		.section        ".start", #alloc, #execinstr

__L7200_start:

		mov	r0, #0x00100000		@ FLASH address of initrd
		mov	r2, #0xf1000000		@ RAM address of initrd
		add	r1, r2, #0x00700000	@ Size of initrd 
1:
		ldmia   r0!, {r3, r4, r5, r6}
		stmia   r2!, {r3, r4, r5, r6}
		cmp	r2, r1
		ble	1b
		
		mov	r8, #0			@ Zero it out
		mov	r7, #19			@ Set architecture ID