diff options
| author | Alexander Graf <agraf@suse.de> | 2013-04-22 20:56:08 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-04-26 20:18:24 +0200 |
| commit | 80fea6e8930384d7d8adae0eb1a00acb7647f7ec (patch) | |
| tree | da9435d53b46861396d138c8d0813d8be041f6e4 /pc-bios | |
| parent | d0249ce5a8d11564958262fd567d1ea770358134 (diff) | |
S390: ccw firmware: Add start assembly
We want to write most of our code in C, so add a small assembly
stub that jumps straight into C code for us to continue booting.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'pc-bios')
| -rw-r--r-- | pc-bios/s390-ccw/start.S | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/pc-bios/s390-ccw/start.S b/pc-bios/s390-ccw/start.S new file mode 100644 index 0000000000..c2b9a19d34 --- /dev/null +++ b/pc-bios/s390-ccw/start.S @@ -0,0 +1,16 @@ +/* + * 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> + * + * 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 */ +j main /* And call C */ |