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Updated GDT & IDT

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This commit is contained in:
Alex
2022-11-06 04:55:12 +02:00
parent 776f6d71b0
commit 416e290c51
4 changed files with 66 additions and 19 deletions
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31
Architecture/amd64/cpu/InterruptDescriptorTable.cpp
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@ -2,6 +2,7 @@
#include <cpu.hpp>
#include <debug.h>
#include <io.h>
#include "gdt.hpp"
@ -428,6 +429,36 @@ namespace InterruptDescriptorTable
void Init(int Core)
{
static int once = 0;
if (!once++)
{
// PIC
outb(0x20, 0x10 | 0x1);
outb(0x80, 0);
outb(0xA0, 0x10 | 0x10);
outb(0x80, 0);
outb(0x21, 0x20);
outb(0x80, 0);
outb(0xA1, 0x28);
outb(0x80, 0);
outb(0x21, 0x04);
outb(0x80, 0);
outb(0xA1, 0x02);
outb(0x80, 0);
outb(0x21, 1);
outb(0x80, 0);
outb(0xA1, 1);
outb(0x80, 0);
// Masking and disabling PIC
outb(0x21, 0xff);
outb(0x80, 0);
outb(0xA1, 0xff);
}
/* ISR */
SetEntry(0x0, InterruptHandler_0x0, FlagGate_32BIT_TRAP, 1, FlagGate_RING0, GDT_KERNEL_CODE);