Karina
25 lines
408 B
C
25 lines
408 B
C
#ifndef IO_H
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#define IO_H
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static inline void outb(unsigned short port, unsigned char val) {
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__asm__ volatile(
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"outb %0, %1"
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:
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: "a"(val),
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"Nd"(port) );
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}
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static inline unsigned char inb(unsigned short port) {
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unsigned char ret;
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__asm__ volatile(
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"inb %1, %0"
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: "=a"(ret)
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: "Nd"(port)
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);
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return ret;
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}
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void io_wait();
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#endif |