/* * relocate_kernel.S - put the kernel image in place to boot */ #include <asm/kexec.h> 	.globl relocate_new_kernelrelocate_new_kernel: 	ldr	r0,kexec_indirection_page	ldr	r1,kexec_start_address 	/*	 * If there is no indirection page (we are doing crashdumps)	 * skip any relocation.	 */	cmp	r0, #0	beq	2f 0:	/* top, read another word for the indirection page */	ldr	r3, [r0],#4 	/* Is it a destination page. Put destination address to r4 */	tst	r3,#1,0	beq	1f	bic	r4,r3,#1	b	0b1:	/* Is it an indirection page */	tst	r3,#2,0	beq	1f	bic	r0,r3,#2	b	0b1: 	/* are we done ? */	tst	r3,#4,0	beq	1f	b	2f 1:	/* is it source ? */	tst	r3,#8,0	beq	0b	bic r3,r3,#8	mov r6,#10249:	ldr r5,[r3],#4	str r5,[r4],#4	subs r6,r6,#1	bne 9b	b 0b 2:	/* Jump to relocated kernel */	mov lr,r1	mov r0,#0	ldr r1,kexec_mach_type	ldr r2,kexec_boot_atags ARM(	mov pc, lr	) THUMB(	bx lr		) 	.align 	.globl kexec_start_addresskexec_start_address:	.long	0x0 	.globl kexec_indirection_pagekexec_indirection_page:	.long	0x0 	.globl kexec_mach_typekexec_mach_type:	.long	0x0 	/* phy addr of the atags for the new kernel */	.globl kexec_boot_atagskexec_boot_atags:	.long	0x0 relocate_new_kernel_end: 	.globl relocate_new_kernel_sizerelocate_new_kernel_size:	.long relocate_new_kernel_end - relocate_new_kernel