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authorYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 12:17:53 -0700
committerYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 15:44:42 -0700
commit9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch)
tree1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/arm/mach-omap1/include/mach/entry-macro.S
parent98260f3884f4a202f9ca5eabed40b1354c489b29 (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/arm/mach-omap1/include/mach/entry-macro.S')
-rw-r--r--kernel/arch/arm/mach-omap1/include/mach/entry-macro.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S b/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S
new file mode 100644
index 000000000..78a8c6c24
--- /dev/null
+++ b/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * arch/arm/mach-omap1/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for OMAP-based platforms
+ *
+ * Copyright (C) 2009 Texas Instruments
+ *
+ * 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.
+ */
+
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
+ ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
+ ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET]
+ mov \irqstat, #0xffffffff
+ bic \tmp, \irqstat, \tmp
+ tst \irqnr, \tmp
+ beq 1510f
+
+ ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
+ ldr \tmp, =omap_irq_flags @ irq flags address
+ ldr \tmp, [\tmp, #0] @ irq flags value
+ cmp \irqnr, #0
+ ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
+ cmpeq \irqnr, \tmp
+ ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
+ ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
+ addeqs \irqnr, \irqnr, #32
+1510:
+ .endm
+