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| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/s390/boot/compressed/head.S | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/s390/boot/compressed/head.S')
| -rw-r--r-- | kernel/arch/s390/boot/compressed/head.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/kernel/arch/s390/boot/compressed/head.S b/kernel/arch/s390/boot/compressed/head.S new file mode 100644 index 000000000..f86a4eef2 --- /dev/null +++ b/kernel/arch/s390/boot/compressed/head.S @@ -0,0 +1,48 @@ +/* + * Startup glue code to uncompress the kernel + * + * Copyright IBM Corp. 2010 + * + * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> + */ + +#include <linux/init.h> +#include <linux/linkage.h> +#include <asm/asm-offsets.h> +#include <asm/thread_info.h> +#include <asm/page.h> +#include "sizes.h" + +__HEAD +ENTRY(startup_continue) + basr %r13,0 # get base +.LPG1: + # setup stack + lg %r15,.Lstack-.LPG1(%r13) + aghi %r15,-160 + brasl %r14,decompress_kernel + # setup registers for memory mover & branch to target + lgr %r4,%r2 + lg %r2,.Loffset-.LPG1(%r13) + la %r4,0(%r2,%r4) + lg %r3,.Lmvsize-.LPG1(%r13) + lgr %r5,%r3 + # move the memory mover someplace safe + la %r1,0x200 + mvc 0(mover_end-mover,%r1),mover-.LPG1(%r13) + # decompress image is started at 0x11000 + lgr %r6,%r2 + br %r1 +mover: + mvcle %r2,%r4,0 + jo mover + br %r6 +mover_end: + + .align 8 +.Lstack: + .quad 0x8000 + (1<<(PAGE_SHIFT+THREAD_ORDER)) +.Loffset: + .quad 0x11000 +.Lmvsize: + .quad SZ__bss_start |