projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 80fea6e8 AG |
1 | /* |
| 2 | * First stage boot loader for virtio devices. The compiled output goes | |
| 3 | * into the pc-bios directory of qemu. | |
| 4 | * | |
| 5 | * Copyright (c) 2013 Alexander Graf <agraf@suse.de> | |
| 7f61cbc1 | 6 | * Copyright 2013 IBM Corp. |
| 80fea6e8 AG |
7 | * |
| 8 | * This work is licensed under the terms of the GNU GPL, version 2 or (at | |
| 9 | * your option) any later version. See the COPYING file in the top-level | |
| 10 | * directory. | |
| 11 | */ | |
| 12 | ||
| 13 | .globl _start | |
| 14 | _start: | |
| 15 | ||
| 16 | larl %r15, stack + 0x8000 /* Set up stack */ | |
| ff151f4e DD |
17 | larl %r6, boot_value |
| 18 | stg %r7, 0(%r6) /* save the boot_value before any function calls */ | |
| 80fea6e8 | 19 | j main /* And call C */ |
| 7f61cbc1 CB |
20 | |
| 21 | /* | |
| 22 | * void disabled_wait(void) | |
| 23 | * | |
| 24 | * stops the current guest cpu. | |
| 25 | */ | |
| 26 | .globl disabled_wait | |
| 27 | disabled_wait: | |
| 28 | larl %r1,disabled_wait_psw | |
| 29 | lpswe 0(%r1) | |
| 30 | ||
| 31 | .align 8 | |
| 32 | disabled_wait_psw: | |
| 33 | .quad 0x0002000180000000,0x0000000000000000 |