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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