22 lines
423 B
C
22 lines
423 B
C
#include <stdint.h>
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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 %b0, %w1" : : "a"(val), "Nd"(port) : "memory");
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}
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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 %w1, %b0"
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: "=a"(ret)
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: "Nd"(port)
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: "memory");
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return ret;
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}
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static inline void io_wait(void)
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{
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outb(0x80, 0);
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}
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