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-rw-r--r--arch/microblaze/kernel/head.S24
1 files changed, 13 insertions, 11 deletions
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index 778a5ce2e4f..77320b8fc16 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -39,7 +39,7 @@
#include <asm/mmu.h>
#include <asm/processor.h>
-.data
+.section .data
.global empty_zero_page
.align 12
empty_zero_page:
@@ -50,6 +50,11 @@ swapper_pg_dir:
#endif /* CONFIG_MMU */
+.section .rodata
+.align 4
+endian_check:
+ .word 1
+
__HEAD
ENTRY(_start)
#if CONFIG_KERNEL_BASE_ADDR == 0
@@ -79,10 +84,7 @@ real_start:
/* Does r7 point to a valid FDT? Load HEADER magic number */
/* Run time Big/Little endian platform */
/* Save 1 as word and load byte - 0 - BIG, 1 - LITTLE */
- addik r11, r0, 0x1 /* BIG/LITTLE checking value */
- /* __bss_start will be zeroed later - it is just temp location */
- swi r11, r0, TOPHYS(__bss_start)
- lbui r11, r0, TOPHYS(__bss_start)
+ lbui r11, r0, TOPHYS(endian_check)
beqid r11, big_endian /* DO NOT break delay stop dependency */
lw r11, r0, r7 /* Big endian load in delay slot */
lwr r11, r0, r7 /* Little endian load */
@@ -222,26 +224,26 @@ start_here:
#endif /* CONFIG_MMU */
/* Initialize small data anchors */
- la r13, r0, _KERNEL_SDA_BASE_
- la r2, r0, _KERNEL_SDA2_BASE_
+ addik r13, r0, _KERNEL_SDA_BASE_
+ addik r2, r0, _KERNEL_SDA2_BASE_
/* Initialize stack pointer */
- la r1, r0, init_thread_union + THREAD_SIZE - 4
+ addik r1, r0, init_thread_union + THREAD_SIZE - 4
/* Initialize r31 with current task address */
- la r31, r0, init_task
+ addik r31, r0, init_task
/*
* Call platform dependent initialize function.
* Please see $(ARCH)/mach-$(SUBARCH)/setup.c for
* the function.
*/
- la r9, r0, machine_early_init
+ addik r9, r0, machine_early_init
brald r15, r9
nop
#ifndef CONFIG_MMU
- la r15, r0, machine_halt
+ addik r15, r0, machine_halt
braid start_kernel
nop
#else