In case it's needed for some early code.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
arch/arm/include/asm/common.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm/include/asm/common.h b/arch/arm/include/asm/common.h
index 133bb8e..9ff3b19 100644
--- a/arch/arm/include/asm/common.h
+++ b/arch/arm/include/asm/common.h
@@ -16,6 +16,32 @@ static inline unsigned long get_pc(void)
return pc;
}
+static inline unsigned long get_lr(void)
+{
+ unsigned long lr;
+
+ __asm__ __volatile__(
+ "mov %0, lr\n"
+ : "=r" (lr)
+ :
+ : "memory");
+
+ return lr;
+}
+
+static inline unsigned long get_sp(void)
+{
+ unsigned long sp;
+
+ __asm__ __volatile__(
+ "mov %0, sp\n"
+ : "=r" (sp)
+ :
+ : "memory");
+
+ return sp;
+}
+
static inline void arm_setup_stack(unsigned long top)
{
__asm__ __volatile__("mov sp, %0" : : "r"(top));
--
2.1.3
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