diff options
Diffstat (limited to 'arch/sh/kernel/head.S')
| -rw-r--r-- | arch/sh/kernel/head.S | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/sh/kernel/head.S b/arch/sh/kernel/head.S index f5f53d14f24..71a3ad7d283 100644 --- a/arch/sh/kernel/head.S +++ b/arch/sh/kernel/head.S @@ -33,7 +33,8 @@ ENTRY(empty_zero_page) .long 0x00360000 /* INITRD_START */ .long 0x000a0000 /* INITRD_SIZE */ .long 0 - .balign 4096,0,4096 +1: + .skip PAGE_SIZE - empty_zero_page - 1b .text /* @@ -53,8 +54,10 @@ ENTRY(_stext) ldc r0, sr ! Initialize global interrupt mask mov #0, r0 +#ifdef CONFIG_CPU_HAS_SR_RB ldc r0, r6_bank - +#endif + /* * Prefetch if possible to reduce cache miss penalty. * @@ -68,11 +71,14 @@ ENTRY(_stext) ! mov.l 2f, r0 mov r0, r15 ! Set initial r15 (stack pointer) - mov #(THREAD_SIZE >> 8), r1 + mov #(THREAD_SIZE >> 10), r1 shll8 r1 ! r1 = THREAD_SIZE + shll2 r1 sub r1, r0 ! +#ifdef CONFIG_CPU_HAS_SR_RB ldc r0, r7_bank ! ... and initial thread_info - +#endif + ! Clear BSS area mov.l 3f, r1 add #4, r1 @@ -95,7 +101,11 @@ ENTRY(_stext) nop .balign 4 +#if defined(CONFIG_CPU_SH2) +1: .long 0x000000F0 ! IMASK=0xF +#else 1: .long 0x400080F0 ! MD=1, RB=0, BL=0, FD=1, IMASK=0xF +#endif 2: .long init_thread_union+THREAD_SIZE 3: .long __bss_start 4: .long _end |