Revision 488288d9f25fbab903bd264bc74f2fad3a7f7a09 authored by Josef 'Jeff' Sipek on 19 January 2008, 21:04:42 UTC, committed by Linus Torvalds on 20 January 2008, 05:29:39 UTC
The i386 and x86_64 arch directories contain nothing but a generated symlink to arch/x86/boot/bzImage when a tree a built. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Peter Anvin <hpa@zytor.com> Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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io.h
#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;
}
static inline void writeq(unsigned int b, volatile void __iomem *addr)
{
*(volatile unsigned long long __force *) addr = b;
}
#define __raw_writeb writeb
#define __raw_writew writew
#define __raw_writel writel
#define __raw_writeq writeq
#endif
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