diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/boot/io.h')
-rw-r--r-- | ANDROID_3.4.5/arch/powerpc/boot/io.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/boot/io.h b/ANDROID_3.4.5/arch/powerpc/boot/io.h deleted file mode 100644 index 7c09f486..00000000 --- a/ANDROID_3.4.5/arch/powerpc/boot/io.h +++ /dev/null @@ -1,102 +0,0 @@ -#ifndef _IO_H -#define __IO_H - -#include "types.h" - -/* - * Low-level I/O routines. - * - * Copied from <file:arch/powerpc/include/asm/io.h> (which has no copyright) - */ -static inline int in_8(const volatile unsigned char *addr) -{ - int ret; - - __asm__ __volatile__("lbz%U1%X1 %0,%1; twi 0,%0,0; isync" - : "=r" (ret) : "m" (*addr)); - return ret; -} - -static inline void out_8(volatile unsigned char *addr, int val) -{ - __asm__ __volatile__("stb%U0%X0 %1,%0; sync" - : "=m" (*addr) : "r" (val)); -} - -static inline unsigned in_le16(const volatile u16 *addr) -{ - unsigned ret; - - __asm__ __volatile__("lhbrx %0,0,%1; twi 0,%0,0; isync" - : "=r" (ret) : "r" (addr), "m" (*addr)); - - return ret; -} - -static inline unsigned in_be16(const volatile u16 *addr) -{ - unsigned ret; - - __asm__ __volatile__("lhz%U1%X1 %0,%1; twi 0,%0,0; isync" - : "=r" (ret) : "m" (*addr)); - return ret; -} - -static inline void out_le16(volatile u16 *addr, int val) -{ - __asm__ __volatile__("sthbrx %1,0,%2; sync" : "=m" (*addr) - : "r" (val), "r" (addr)); -} - -static inline void out_be16(volatile u16 *addr, int val) -{ - __asm__ __volatile__("sth%U0%X0 %1,%0; sync" - : "=m" (*addr) : "r" (val)); -} - -static inline unsigned in_le32(const volatile unsigned *addr) -{ - unsigned ret; - - __asm__ __volatile__("lwbrx %0,0,%1; twi 0,%0,0; isync" - : "=r" (ret) : "r" (addr), "m" (*addr)); - return ret; -} - -static inline unsigned in_be32(const volatile unsigned *addr) -{ - unsigned ret; - - __asm__ __volatile__("lwz%U1%X1 %0,%1; twi 0,%0,0; isync" - : "=r" (ret) : "m" (*addr)); - return ret; -} - -static inline void out_le32(volatile unsigned *addr, int val) -{ - __asm__ __volatile__("stwbrx %1,0,%2; sync" : "=m" (*addr) - : "r" (val), "r" (addr)); -} - -static inline void out_be32(volatile unsigned *addr, int val) -{ - __asm__ __volatile__("stw%U0%X0 %1,%0; sync" - : "=m" (*addr) : "r" (val)); -} - -static inline void sync(void) -{ - asm volatile("sync" : : : "memory"); -} - -static inline void eieio(void) -{ - asm volatile("eieio" : : : "memory"); -} - -static inline void barrier(void) -{ - asm volatile("" : : : "memory"); -} - -#endif /* _IO_H */ |