[PATCH v3 12/23] microblaze: Separate code end substraction

Michal Simek monstr at monstr.eu
Wed Jun 15 12:03:49 CEST 2022


Follow up patch will convert symbol handling that's why it is necessary to
separate logic around symbols to special instruction. It adds 4B for new
instruction but it is worth to do it to have code ready for for full
relocation.

Signed-off-by: Michal Simek <michal.simek at amd.com>
---

(no changes since v1)

 arch/microblaze/cpu/start.S | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S
index 205d5f384c38..a35d8d8ea29a 100644
--- a/arch/microblaze/cpu/start.S
+++ b/arch/microblaze/cpu/start.S
@@ -273,7 +273,8 @@ relocate_code:
 	add	r23, r0, r7 /* Move reloc addr to r23 */
 	/* Relocate text and data - r12 temp value */
 	addi	r21, r0, _start
-	addi	r22, r0, _end - 4 /* Include BSS too */
+	addi	r22, r0, _end /* Include BSS too */
+	addi	r22, r22, -4
 
 	rsub	r6, r21, r22
 	or	r5, r0, r0
-- 
2.36.1



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