mirror of
https://github.com/BoredDevNL/BoredOS.git
synced 2026-05-15 10:48:38 +00:00
89bdb860dd
New feature(s): - Network stack - Piping commands into a udpsend message Bug fix(es): -N/A
34 lines
738 B
C
34 lines
738 B
C
#ifndef IO_H
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#define IO_H
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#include <stdint.h>
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static inline void outb(uint16_t port, uint8_t val) {
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asm volatile ("outb %0, %1" : : "a"(val), "Nd"(port));
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}
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static inline void outw(uint16_t port, uint16_t val) {
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asm volatile ("outw %0, %1" : : "a"(val), "Nd"(port));
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}
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static inline uint8_t inb(uint16_t port) {
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uint8_t ret;
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asm volatile ("inb %1, %0" : "=a"(ret) : "Nd"(port));
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return ret;
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}
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static inline void outl(uint16_t port, uint32_t val) {
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asm volatile ("outl %0, %1" : : "a"(val), "Nd"(port));
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}
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static inline uint32_t inl(uint16_t port) {
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uint32_t ret;
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asm volatile ("inl %1, %0" : "=a"(ret) : "Nd"(port));
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return ret;
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}
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static inline void io_wait(void) {
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outb(0x80, 0);
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}
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#endif
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