diff options
Diffstat (limited to 'include/asm-sh/system_32.h')
| -rw-r--r-- | include/asm-sh/system_32.h | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/include/asm-sh/system_32.h b/include/asm-sh/system_32.h index ad37e8d5f31e..e918bacd5ecf 100644 --- a/include/asm-sh/system_32.h +++ b/include/asm-sh/system_32.h @@ -58,29 +58,31 @@ do { \ last = __last; \ } while (0) +#define __uses_jump_to_uncached __attribute__ ((__section__ (".uncached.text"))) + /* - * Jump to P2 area. - * When handling TLB or caches, we need to do it from P2 area. + * Jump to uncached area. + * When handling TLB or caches, we need to do it from an uncached area. */ -#define jump_to_P2() \ -do { \ - unsigned long __dummy; \ - __asm__ __volatile__( \ - "mov.l 1f, %0\n\t" \ - "or %1, %0\n\t" \ - "jmp @%0\n\t" \ - " nop\n\t" \ - ".balign 4\n" \ - "1: .long 2f\n" \ - "2:" \ - : "=&r" (__dummy) \ - : "r" (0x20000000)); \ +#define jump_to_uncached() \ +do { \ + unsigned long __dummy; \ + \ + __asm__ __volatile__( \ + "mova 1f, %0\n\t" \ + "add %1, %0\n\t" \ + "jmp @%0\n\t" \ + " nop\n\t" \ + ".balign 4\n" \ + "1:" \ + : "=&z" (__dummy) \ + : "r" (cached_to_uncached)); \ } while (0) /* - * Back to P1 area. + * Back to cached area. */ -#define back_to_P1() \ +#define back_to_cached() \ do { \ unsigned long __dummy; \ ctrl_barrier(); \ |