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/* * linux/arch/sh/kernel/io.c * * Copyright (C) 2000 Stuart Menefy * * Provide real functions which expand to whatever the header file defined. * Also definitions of machine independant IO functions. */
#include <asm/io.h> #include <linux/module.h>
unsigned char _inb(unsigned long port) { return __inb(port); } EXPORT_SYMBOL(_inb);
unsigned short _inw(unsigned long port) { return __inw(port); } EXPORT_SYMBOL(_inw);
unsigned int _inl(unsigned long port) { return __inl(port); } EXPORT_SYMBOL(_inl);
void _outb(unsigned char b, unsigned long port) { __outb(b, port); } EXPORT_SYMBOL(_outb);
void _outw(unsigned short b, unsigned long port) { __outw(b, port); } EXPORT_SYMBOL(_outw);
void _outl(unsigned int b, unsigned long port) { __outl(b, port); } EXPORT_SYMBOL(_outl);
unsigned char _inb_p(unsigned long port) { return __inb_p(port); } EXPORT_SYMBOL(_inb_p);
unsigned short _inw_p(unsigned long port) { return __inw_p(port); } EXPORT_SYMBOL(_inw_p);
void _outb_p(unsigned char b, unsigned long port) { __outb_p(b, port); } EXPORT_SYMBOL(_outb_p);
void _outw_p(unsigned short b, unsigned long port) { __outw_p(b, port); } EXPORT_SYMBOL(_outw_p);
void _insb(unsigned long port, void *buffer, unsigned long count) { return __insb(port, buffer, count); } EXPORT_SYMBOL(_insb);
void _insw(unsigned long port, void *buffer, unsigned long count) { __insw(port, buffer, count); } EXPORT_SYMBOL(_insw);
void _insl(unsigned long port, void *buffer, unsigned long count) { __insl(port, buffer, count); } EXPORT_SYMBOL(_insl);
void _outsb(unsigned long port, const void *buffer, unsigned long count) { __outsb(port, buffer, count); } EXPORT_SYMBOL(_outsb);
void _outsw(unsigned long port, const void *buffer, unsigned long count) { __outsw(port, buffer, count); } EXPORT_SYMBOL(_outsw);
void _outsl(unsigned long port, const void *buffer, unsigned long count) { __outsl(port, buffer, count);
} EXPORT_SYMBOL(_outsl);
unsigned char ___raw_readb(unsigned long addr) { return __readb(addr); } EXPORT_SYMBOL(___raw_readb);
unsigned short ___raw_readw(unsigned long addr) { return __readw(addr); } EXPORT_SYMBOL(___raw_readw);
unsigned int ___raw_readl(unsigned long addr) { return __readl(addr); } EXPORT_SYMBOL(___raw_readl);
unsigned char _readb(unsigned long addr) { unsigned long r = __readb(addr); mb(); return r; } EXPORT_SYMBOL(_readb);
unsigned short _readw(unsigned long addr) { unsigned long r = __readw(addr); mb(); return r; } EXPORT_SYMBOL(_readw);
unsigned int _readl(unsigned long addr) { unsigned long r = __readl(addr); mb(); return r; } EXPORT_SYMBOL(_readl);
void ___raw_writeb(unsigned char b, unsigned long addr) { __writeb(b, addr); }
void ___raw_writew(unsigned short b, unsigned long addr) { __writew(b, addr); } EXPORT_SYMBOL(___raw_writew);
void ___raw_writel(unsigned int b, unsigned long addr) { __writel(b, addr); } EXPORT_SYMBOL(___raw_writel);
void _writeb(unsigned char b, unsigned long addr) { __writeb(b, addr); mb(); } EXPORT_SYMBOL(_writeb);
void _writew(unsigned short b, unsigned long addr) { __writew(b, addr); mb(); } EXPORT_SYMBOL(_writew);
void _writel(unsigned int b, unsigned long addr) { __writel(b, addr); mb(); } EXPORT_SYMBOL(_writel);
/* * Copy data from IO memory space to "real" memory space. * This needs to be optimized. */ void memcpy_fromio(void * to, unsigned long from, unsigned long count) { while (count) { count--; *(char *) to = readb(from); ((char *) to)++; from++; } } /* * Copy data from "real" memory space to IO memory space. * This needs to be optimized. */ void memcpy_toio(unsigned long to, const void * from, unsigned long count) { while (count) { count--; writeb(*(char *) from, to); ((char *) from)++; to++; } } /* * "memset" on IO memory space. * This needs to be optimized. */ void memset_io(unsigned long dst, int c, unsigned long count) { while (count) { count--; writeb(c, dst); dst++; } }
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