diff options
Diffstat (limited to 'arch/microblaze/kernel/head.S')
| -rw-r--r-- | arch/microblaze/kernel/head.S | 24 |
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 |