arch/arm/boot/compressed/head-l7200.S

   1 /*
   2  * linux/arch/arm/boot/compressed/head-l7200.S
   3  *
   4  * Copyright (C) 2000 Steve Hill <sjhill@cotw.com>
   5  *
   6  * Some code borrowed from Nicolas Pitre's 'head-sa1100.S' file. This
   7  * is merged with head.S by the linker.
   8  */
   9
  10 #include <linux/config.h>
  11 #include <asm/mach-types.h>
  12
  13 #ifndef CONFIG_ARCH_L7200
  14 #error What am I doing here...
  15 #endif
  16
  17                 .section        ".start", "ax"
  18
  19 __L7200_start:
  20                 mov     r0, #0x00100000         @ FLASH address of initrd
  21                 mov     r2, #0xf1000000         @ RAM address of initrd
  22                 add     r3, r2, #0x00700000     @ Size of initrd
  23 1:
  24                 ldmia   r0!, {r4, r5, r6, r7}
  25                 stmia   r2!, {r4, r5, r6, r7}
  26                 cmp     r2, r3
  27                 ble     1b
  28
  29                 mov     r8, #0                  @ Zero it out
  30                 mov     r7, #MACH_TYPE_L7200    @ Set architecture ID