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- #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
- #endif
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