The DTB magic marker is stored as a 32-bit big-endian value, and thus
depends on the CPU's endianness. Add a macro to define this value in
native endianness, to reduce #ifdef clutter and (future) duplication.
Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
v10:
- New.
---
arch/arm/boot/compressed/head.S | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index aabdc544c03aafdc..d9cce7238a365081 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -11,6 +11,12 @@
#include "efi-header.S"
+#ifdef __ARMEB__
+#define OF_DT_MAGIC 0xd00dfeed
+#else
+#define OF_DT_MAGIC 0xedfe0dd0
+#endif
+
AR_CLASS( .arch armv7-a )
M_CLASS( .arch armv7-m )
@@ -335,11 +341,7 @@ restart: adr r0, LC1
*/
ldr lr, [r6, #0]
-#ifndef __ARMEB__
- ldr r1, =0xedfe0dd0 @ sig is 0xd00dfeed big endian
-#else
- ldr r1, =0xd00dfeed
-#endif
+ ldr r1, =OF_DT_MAGIC
cmp lr, r1
bne dtb_check_done @ not found
--
2.25.1
