To simpify the code, use stack space as scratch memory for endian offset calculation, rather than saving/restoring the first unused MB vector.
Signed-off-by: Ovidiu Panait ovidiu.panait@windriver.com ---
(no changes since v1)
arch/microblaze/cpu/start.S | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S index 463e0feba4..a1c06108d7 100644 --- a/arch/microblaze/cpu/start.S +++ b/arch/microblaze/cpu/start.S @@ -125,10 +125,8 @@ __setup_exceptions: * 4b) BIG endian - r10 contains 0x0 because 0x2 offset is on addr 0x3 */ addik r6, r0, 0x2 /* BIG/LITTLE endian offset */ - lwi r7, r0, 0x28 - swi r6, r0, 0x28 /* used first unused MB vector */ - lbui r10, r0, 0x28 /* used first unused MB vector */ - swi r7, r0, 0x28 + sw r6, r1, r0 + lbu r10, r1, r0
/* add opcode instruction for 32bit jump - 2 instruction imm & brai */ addi r2, r0, 0xb0000000 /* hex b000 opcode imm */