summaryrefslogtreecommitdiffstats
path: root/arch/arm/lib/runtime-offset.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/lib/runtime-offset.S')
-rw-r--r--arch/arm/lib/runtime-offset.S17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/lib/runtime-offset.S b/arch/arm/lib/runtime-offset.S
new file mode 100644
index 0000000000..ffa668cd7e
--- /dev/null
+++ b/arch/arm/lib/runtime-offset.S
@@ -0,0 +1,17 @@
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+/*
+ * Get the offset between the link address and the address
+ * we are currently running at.
+ */
+ENTRY(get_runtime_offset)
+1: adr r0, 1b
+ ldr r1, linkadr
+ subs r0, r1, r0
+THUMB( subs r0, r0, #1)
+ mov pc, lr
+
+linkadr:
+.word get_runtime_offset
+ENDPROC(get_runtime_offset)