48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#pragma once
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#include <stdint.h>
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struct regs {
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unsigned int gs, fs, es, ds;
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unsigned int edi, esi, ebp, esp, ebx, edx, ecx, eax;
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unsigned int int_no, err_code;
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unsigned int eip, cs, eflags, useresp, ss;
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};
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void __sl_acquire(uint32_t *);
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void __sl_release(uint32_t *);
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static inline void outb(int port, int val) {
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__asm__ volatile("outb %b0, %w1" : : "a"(val), "Nd"(port) : "memory");
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}
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static inline unsigned char inb(int port) {
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unsigned char val;
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__asm__ volatile("inb %w1, %b0" : "=a"(val) : "Nd"(port) : "memory");
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return val;
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}
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static inline void outl(uint32_t port, uint32_t val) {
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__asm__ volatile("outl %k0, %k1" : : "a"(val), "Nd"(port) : "memory");
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}
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static inline uint32_t inl(uint32_t port) {
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uint32_t val;
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__asm__ volatile("inl %k1, %k0" : "=a"(val) : "Nd"(port) : "memory");
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return val;
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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 %w0, %w1" : : "a"(val), "Nd"(port) : "memory");
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}
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static inline uint16_t inw(uint16_t port) {
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uint32_t val;
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__asm__ volatile("inw %w1, %w0" : "=a"(val) : "Nd"(port) : "memory");
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return val;
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}
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static inline void interrupt_disable() { __asm__ volatile("cli"); }
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static inline void interrupt_enable() { __asm__ volatile("sti"); }
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