56 lines
1 KiB
C
56 lines
1 KiB
C
#pragma once
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#include "cpustate.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#define GDTF_DATASEG 0x02
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#define GDTF_CODESEG 0x0a
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#define GDTF_TSS 0x09
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#define GDTF_SEGMENT 0x10
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#define GDTF_RING0 0x00
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#define GDTF_RING3 0x60
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#define GDTF_PRESENT 0x80
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#define GDTF_4K_GRAN 0x800
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#define GDTF_32_BIT 0x400
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#define INTR_GATE 6
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#define INTR_TRAP_GATE 7
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#define INTR_TASK_GATE 5
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typedef void (*InterruptHandler)(CpuState *);
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/**
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* Initializes interrupt handling and the global descriptor table.
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*/
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void intr_init();
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/**
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* @brief Sets the handler for the given interrupt.
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* @param interrupt The number of the interrupt.
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* @param handler The function that should handle this interrupt
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*/
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void intr_set_handler(uint32_t interrupt, InterruptHandler handler);
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/**
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* @brief Enables physical interrupts.
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*/
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static inline void irq_enable(void)
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{
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__asm__ volatile("sti");
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}
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/**
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* @brief Disables physical interrupts.
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*/
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static inline void irq_disable(void)
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{
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__asm__ volatile("cli");
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}
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#if defined(__cplusplus)
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}
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#endif
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