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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/frv/lib/__lshrdi3.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/frv/lib/__lshrdi3.S')
| -rw-r--r-- | kernel/arch/frv/lib/__lshrdi3.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/arch/frv/lib/__lshrdi3.S b/kernel/arch/frv/lib/__lshrdi3.S new file mode 100644 index 000000000..7b41f6304 --- /dev/null +++ b/kernel/arch/frv/lib/__lshrdi3.S @@ -0,0 +1,40 @@ +/* __lshrdi3.S: 64-bit logical shift right + * + * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + + .text + .p2align 4 + +############################################################################### +# +# unsigned long long __lshrdi3(unsigned long long value [GR8:GR9], unsigned by [GR10]) +# +############################################################################### + .globl __lshrdi3 + .type __lshrdi3,@function +__lshrdi3: + andicc.p gr10,#63,gr10,icc0 + setlos #32,gr5 + andicc.p gr10,#32,gr0,icc1 + beqlr icc0,#0 + ckeq icc1,cc4 ; cc4 is true if 0<N<32 + + # deal with a shift in the range 1<=N<=31 + csrl.p gr9,gr10,gr9 ,cc4,#1 ; LSW >>= N + csub gr5,gr10,gr5 ,cc4,#1 ; M = 32 - N + csll.p gr8,gr5,gr4 ,cc4,#1 + csrl gr8,gr10,gr8 ,cc4,#1 ; MSW >>= N + cor.p gr4,gr9,gr9 ,cc4,#1 ; LSW |= MSW << M + + # deal with a shift in the range 32<=N<=63 + csrl gr8,gr10,gr9 ,cc4,#0 ; LSW = MSW >> (N & 31 [implicit AND]) + cor.p gr0,gr0,gr8 ,cc4,#0 ; MSW = 0 + bralr + .size __lshrdi3, .-__lshrdi3 |