|  | /* | 
|  | * First stage boot loader for virtio devices. The compiled output goes | 
|  | * into the pc-bios directory of qemu. | 
|  | * | 
|  | * Copyright (c) 2013 Alexander Graf <agraf@suse.de> | 
|  | * Copyright 2013 IBM Corp. | 
|  | * | 
|  | * This work is licensed under the terms of the GNU GPL, version 2 or (at | 
|  | * your option) any later version. See the COPYING file in the top-level | 
|  | * directory. | 
|  | */ | 
|  |  | 
|  | .globl _start | 
|  | _start: | 
|  |  | 
|  | larl	%r15, stack + 0x8000    /* Set up stack */ | 
|  | larl    %r6, boot_value | 
|  | stg     %r7, 0(%r6)     /* save the boot_value before any function calls */ | 
|  | j	main                    /* And call C */ | 
|  |  | 
|  | /* | 
|  | * void disabled_wait(void) | 
|  | * | 
|  | * stops the current guest cpu. | 
|  | */ | 
|  | .globl disabled_wait | 
|  | disabled_wait: | 
|  | larl %r1,disabled_wait_psw | 
|  | lpswe   0(%r1) | 
|  |  | 
|  | .align  8 | 
|  | disabled_wait_psw: | 
|  | .quad   0x0002000180000000,0x0000000000000000 |