24 lines
493 B
C
24 lines
493 B
C
//
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// Created by rick on 8/18/19.
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//
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#include "idt.h"
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idt_gate_t idt[IDT_REGISTERS];
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idt_register_t idt_reg;
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void set_idt_gate(int n, u32 handler) {
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idt[n].low_offset = handler & 0xffff;
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idt[n].sel = KERNEL_CS;
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idt[n].always0 = 0;
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idt[n].flags = 0x8E;
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idt[n].high_offset = handler >> 16 & 0xFFFF;
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}
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void set_idt() {
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idt_reg.base = (u32) &idt;
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idt_reg.limit = IDT_REGISTERS * sizeof(idt_gate_t) - 1;
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__asm__ __volatile__("lidtl (%0)" : : "r" (&idt_reg));
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}
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