From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: 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 Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior 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 --- kernel/arch/metag/lib/ashrdi3.S | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 kernel/arch/metag/lib/ashrdi3.S (limited to 'kernel/arch/metag/lib/ashrdi3.S') diff --git a/kernel/arch/metag/lib/ashrdi3.S b/kernel/arch/metag/lib/ashrdi3.S new file mode 100644 index 000000000..7cb7ed3bb --- /dev/null +++ b/kernel/arch/metag/lib/ashrdi3.S @@ -0,0 +1,33 @@ +! Copyright (C) 2012 by Imagination Technologies Ltd. +! +! 64-bit arithmetic shift right routine. +! + + .text + .global ___ashrdi3 + .type ___ashrdi3,function + +___ashrdi3: + MOV D0Re0,D0Ar2 + MOV D1Re0,D1Ar1 + CMP D1Ar3,#0 ! COUNT == 0 + MOVEQ PC,D1RtP ! Yes, return + + MOV D0Ar4,D1Ar3 + SUBS D1Ar3,D1Ar3,#32 ! N = COUNT - 32 + BGE $L20 + +!! Shift < 32 + NEG D1Ar3,D1Ar3 ! N = - N + LSR D0Re0,D0Re0,D0Ar4 ! LO = LO >> COUNT + LSL D0Ar6,D1Re0,D1Ar3 ! TMP= HI << -(COUNT - 32) + OR D0Re0,D0Re0,D0Ar6 ! LO = LO | TMP + SWAP D1Ar3,D0Ar4 + ASR D1Re0,D1Re0,D1Ar3 ! HI = HI >> COUNT + MOV PC,D1RtP +$L20: +!! Shift >= 32 + ASR D0Re0,D1Re0,D1Ar3 ! LO = HI >> N + ASR D1Re0,D1Re0,#31 ! HI = HI >> 31 + MOV PC,D1RtP + .size ___ashrdi3,.-___ashrdi3 -- cgit 1.2.3-korg