diff options
Diffstat (limited to 'include/asm-nios2/io.h')
| -rw-r--r-- | include/asm-nios2/io.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-nios2/io.h b/include/asm-nios2/io.h index 5bb5322..54cbd57 100644 --- a/include/asm-nios2/io.h +++ b/include/asm-nios2/io.h @@ -33,6 +33,14 @@ extern unsigned char inb (unsigned char *port); extern unsigned short inw (unsigned short *port); extern unsigned inl (unsigned port); +#define __raw_writeb(v,a) (*(volatile unsigned char *)(a) = (v)) +#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v)) +#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v)) + +#define __raw_readb(a) (*(volatile unsigned char *)(a)) +#define __raw_readw(a) (*(volatile unsigned short *)(a)) +#define __raw_readl(a) (*(volatile unsigned int *)(a)) + #define readb(addr)\ ({unsigned char val;\ asm volatile( "ldbio %0, 0(%1)" :"=r"(val) : "r" (addr)); val;}) |