40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
#pragma once
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#include <stdint.h>
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static inline uint8_t inb(uint16_t port)
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{
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uint8_t ret;
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asm volatile ( "inb %1, %0"
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: "=a"(ret)
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: "Nd"(port) );
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return ret;
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}
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unsigned char inb_p(unsigned short port);
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unsigned short inw(unsigned short port);
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unsigned short inw_p(unsigned short port);
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uint32_t inl( int port );
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unsigned int inl_p(unsigned short port);
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static inline void outb(uint16_t port, uint8_t val)
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{
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asm volatile ( "outb %0, %1" : : "a"(val), "Nd"(port) );
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}
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void outb_p(unsigned char value, unsigned short port);
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void outw(unsigned short value, unsigned short port);
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void outw_p(unsigned short value, unsigned short port);
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void outl( int port , uint32_t data );
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void outl_p(unsigned int value, unsigned short port);
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void insb(unsigned short port, void *addr,
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unsigned long count);
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void insw(unsigned short port, void *addr,
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unsigned long count);
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void insl(unsigned short port, void *addr,
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unsigned long count);
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void outsb(unsigned short port, const void *addr,
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unsigned long count);
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void outsw(unsigned short port, const void *addr,
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unsigned long count);
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void outsl(unsigned short port, const void *addr,
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unsigned long count);
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void io_wait(); |