28 lines
2.3 KiB
C
28 lines
2.3 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _ASM_IO_H
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#define _ASM_IO_H
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#include <linux/string.h>
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#include <linux/compiler.h>
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#define IO_SPACE_LIMIT 0xffff
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#define XQUAD_PORTIO_BASE 0xfe400000
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#define XQUAD_PORTIO_QUAD 0x40000
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#ifdef REALLY_SLOW_IO
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#endif
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#define __BUILDIO(bwl,bw,type) static inline void out##bwl(unsigned type value, int port) { out##bwl##_local(value, port); } static inline unsigned type in##bwl(int port) { return in##bwl##_local(port); }
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#define BUILDIO(bwl,bw,type) static inline void out##bwl##_local(unsigned type value, int port) { __asm__ __volatile__("out" #bwl " %" #bw "0, %w1" : : "a"(value), "Nd"(port)); } static inline unsigned type in##bwl##_local(int port) { unsigned type value; __asm__ __volatile__("in" #bwl " %w1, %" #bw "0" : "=a"(value) : "Nd"(port)); return value; } static inline void out##bwl##_local_p(unsigned type value, int port) { out##bwl##_local(value, port); slow_down_io(); } static inline unsigned type in##bwl##_local_p(int port) { unsigned type value = in##bwl##_local(port); slow_down_io(); return value; } __BUILDIO(bwl,bw,type) static inline void out##bwl##_p(unsigned type value, int port) { out##bwl(value, port); slow_down_io(); } static inline unsigned type in##bwl##_p(int port) { unsigned type value = in##bwl(port); slow_down_io(); return value; } static inline void outs##bwl(int port, const void *addr, unsigned long count) { __asm__ __volatile__("rep; outs" #bwl : "+S"(addr), "+c"(count) : "d"(port)); } static inline void ins##bwl(int port, void *addr, unsigned long count) { __asm__ __volatile__("rep; ins" #bwl : "+D"(addr), "+c"(count) : "d"(port)); }
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#endif
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