1 copy_to_ram: 2     ldr r0, =0x0c000000 3     ldr r1, =0x50008000 4     add r3, r0, #1024*4 5  6 copy_loop: 7     ldr r2, [r0], #4 8     str r2, [r1], #4 9     cmp r0, r310     bne copy_loop11     12     mov pc, lr