io.h

来自「Linux Kernel 2.6.9 for OMAP1710」· C头文件 代码 · 共 26 行

#ifndef __UM_IO_H
#define __UM_IO_H

#include "asm/page.h"

#define IO_SPACE_LIMIT 0xdeadbeef /* Sure hope nothing uses this */

static inline int inb(unsigned long i) { return(0); }
static inline void outb(char c, unsigned long i) { }

/*
 * Change virtual addresses to physical addresses and vv.
 * These are pretty trivial
 */
static inline unsigned long virt_to_phys(volatile void * address)
{
	return __pa((void *) address);
}

static inline void * phys_to_virt(unsigned long address)
{
	return __va(address);
}

#endif