microblaze: Separate code end substraction

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@amd.com>
Link: https://lore.kernel.org/r/030863fa9a9c1ca0a9b082fe498522da09189fbc.1655299267.git.michal.simek@amd.com

diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S
index 205d5f384c389693bffd80a4c51a11852b0cb9ae..a35d8d8ea29ab705ae4fa05c7ddf64d3e20f5af2 100644 (file)
--- 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