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/blackfin/lib/smulsi3_highpart.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/blackfin/lib/smulsi3_highpart.S')
| -rw-r--r-- | kernel/arch/blackfin/lib/smulsi3_highpart.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/kernel/arch/blackfin/lib/smulsi3_highpart.S b/kernel/arch/blackfin/lib/smulsi3_highpart.S new file mode 100644 index 000000000..e50d6c4ac --- /dev/null +++ b/kernel/arch/blackfin/lib/smulsi3_highpart.S @@ -0,0 +1,38 @@ +/* + * Copyright 2007 Analog Devices Inc. + * + * Licensed under the Clear BSD license or the GPL-2 (or later) + */ + +.align 2 +.global ___smulsi3_highpart; +.type ___smulsi3_highpart, STT_FUNC; + +#ifdef CONFIG_ARITHMETIC_OPS_L1 +.section .l1.text +#else +.text +#endif + +___smulsi3_highpart: + R2 = R1.L * R0.L (FU); + R3 = R1.H * R0.L (IS,M); + R0 = R0.H * R1.H, R1 = R0.H * R1.L (IS,M); + + R1.L = R2.H + R1.L; + cc = ac0; + R2 = cc; + + R1.L = R1.L + R3.L; + cc = ac0; + R1 >>>= 16; + R3 >>>= 16; + R1 = R1 + R3; + R1 = R1 + R2; + R2 = cc; + R1 = R1 + R2; + + R0 = R0 + R1; + RTS; + +.size ___smulsi3_highpart, .-___smulsi3_highpart |