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#include "ppc_defs.h"

        .text
/*
 * This code may be executed by a bootstrap process.  If so, the
 * purpose is to relocate the loaded image to it's final location
 * in memory.
 *    R3: End of image
 *    R4: Start of image - 0x400
 *
 */
        .globl  start
start:
        addi    r4,r4,0x400     /* Point at start of image */
        lis     r5,start@h      /* Load address */
        ori     r5,r5,start@l
        subi    r4,r4,4         /* Adjust for auto-increment */
        subi    r5,r5,4
        subi    r3,r3,4
00:     lwzu    r0,4(r4)        /* Fast move */
        stwu    r0,4(r5)
        cmp     0,r3,r4
        bne     00b
        lis     r5,continue@h   /* Actual code starts here */
        ori     r5,r5,continue@l
        mtlr    r5
        blr

continue:
        bl      decompress_kernel
        li      r5,0x100        /* Kernel code starts here */
        mtlr    r5
        blr