2024-09-30 07:01:56 -04:00
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#pragma once
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// doc : https://wiki.osdev.org/Interrupt_Descriptor_Table#IDTR
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2024-09-30 09:44:34 -04:00
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struct idt_descriptor {
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2024-09-30 07:01:56 -04:00
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uint16_t size;
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uint32_t offset;
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2024-09-30 09:44:34 -04:00
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} __attribute__((packed));
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2024-09-30 07:01:56 -04:00
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2024-10-02 08:15:57 -04:00
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struct idt_entry {
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uint16_t isr_low; // The lower 16 bits of the ISR's address
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uint16_t kernel_cs; // The GDT segment selector that the CPU will load
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// into CS before calling the ISR
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uint8_t reserved; // Set to zero
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uint8_t attributes; // Type and attributes; see the IDT page
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uint16_t isr_high; // The higher 16 bits of the ISR's address
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} __attribute__((packed));
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#define IDT_SIZE 256
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void init_idt(void);
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