diff options
| 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/sh/lib64/strlen.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/sh/lib64/strlen.S')
| -rw-r--r-- | kernel/arch/sh/lib64/strlen.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/arch/sh/lib64/strlen.S b/kernel/arch/sh/lib64/strlen.S new file mode 100644 index 000000000..cbc0d912e --- /dev/null +++ b/kernel/arch/sh/lib64/strlen.S @@ -0,0 +1,33 @@ +/* + * Simplistic strlen() implementation for SHmedia. + * + * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> + */ + + .section .text..SHmedia32,"ax" + .globl strlen + .type strlen,@function + + .balign 16 +strlen: + ptabs r18, tr4 + + /* + * Note: We could easily deal with the NULL case here with a simple + * sanity check, though it seems that the behavior we want is to fault + * in the event that r2 == NULL, so we don't bother. + */ +/* beqi r2, 0, tr4 */ ! Sanity check + + movi -1, r0 + pta/l loop, tr0 +loop: + ld.b r2, 0, r1 + addi r2, 1, r2 + addi r0, 1, r0 + bnei/l r1, 0, tr0 + + or r0, r63, r2 + blink tr4, r63 + + .size strlen,.-strlen |