#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);} /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem * access */#define xlate_dev_mem_ptr(p)	__va(p) /* * Convert a virtual cached pointer to an uncached pointer */#define xlate_dev_kmem_ptr(p)	p static inline void writeb(unsigned char b, volatile void __iomem *addr){	*(volatile unsigned char __force *) addr = b;}static inline void writew(unsigned short b, volatile void __iomem *addr){	*(volatile unsigned short __force *) addr = b;}static inline void writel(unsigned int b, volatile void __iomem *addr){	*(volatile unsigned int __force *) addr = b;}#define __raw_writeb writeb#define __raw_writew writew#define __raw_writel writel #endif