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 <ag...@suse.de> --- pc-bios/s390-ccw/start.S | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-) create mode 100644 pc-bios/s390-ccw/start.S diff --git a/pc-bios/s390-ccw/start.S b/pc-bios/s390-ccw/start.S new file mode 100644 index 0000000..c2b9a19 --- /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 <ag...@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 */ -- 1.6.0.2
