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 --- .../arm/mach-ebsa110/include/mach/entry-macro.S | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 kernel/arch/arm/mach-ebsa110/include/mach/entry-macro.S (limited to 'kernel/arch/arm/mach-ebsa110/include/mach/entry-macro.S') diff --git a/kernel/arch/arm/mach-ebsa110/include/mach/entry-macro.S b/kernel/arch/arm/mach-ebsa110/include/mach/entry-macro.S new file mode 100644 index 000000000..14b110de7 --- /dev/null +++ b/kernel/arch/arm/mach-ebsa110/include/mach/entry-macro.S @@ -0,0 +1,33 @@ +/* + * arch/arm/mach-ebsa110/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for ebsa110 platform. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + + + +#define IRQ_STAT 0xff000000 /* read */ + + .macro get_irqnr_preamble, base, tmp + mov \base, #IRQ_STAT + .endm + + .macro get_irqnr_and_base, irqnr, stat, base, tmp + ldrb \stat, [\base] @ get interrupts + mov \irqnr, #0 + tst \stat, #15 + addeq \irqnr, \irqnr, #4 + moveq \stat, \stat, lsr #4 + tst \stat, #3 + addeq \irqnr, \irqnr, #2 + moveq \stat, \stat, lsr #2 + tst \stat, #1 + addeq \irqnr, \irqnr, #1 + moveq \stat, \stat, lsr #1 + tst \stat, #1 @ bit 0 should be set + .endm + -- cgit