[PATCH 10/17] add arm helper function to determine the program counter

Sascha Hauer s.hauer at pengutronix.de
Thu Apr 29 03:52:08 EDT 2010


Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/include/asm/common.h |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/common.h b/arch/arm/include/asm/common.h
index 9afcff7..f3a87c8 100644
--- a/arch/arm/include/asm/common.h
+++ b/arch/arm/include/asm/common.h
@@ -1 +1,19 @@
+#ifndef __ASM_ARM_COMMON_H
+#define __ASM_ARM_COMMON_H
+
 #define ARCH_SHUTDOWN
+
+static inline unsigned long get_pc(void)
+{
+	unsigned long pc;
+
+	__asm__ __volatile__(
+                "mov    %0, pc\n"
+                : "=r" (pc)
+                :
+                : "memory");
+
+	return pc;
+}
+
+#endif /* __ASM_ARM_COMMON_H */
-- 
1.7.0




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