104 lines
2.1 KiB
C
104 lines
2.1 KiB
C
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#ifndef _KERNEL_PLATFORM_X86_IDT_H
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#define _KERNEL_PLATFORM_X86_IDT_H
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#include <drivers/irq/irq_api.h>
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#include <drivers/irq/x86/pic.h>
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#include <libkern/c_attrs.h>
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#include <libkern/types.h>
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#include <platform/x86/port.h>
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#include <platform/x86/tasking/trapframe.h>
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#define IDT_ENTRIES 256
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#define IRQ_MASTER_OFFSET 32
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#define IRQ_SLAVE_OFFSET 40
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struct PACKED idt_entry {
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uint16_t offset_lower; // bits 0..15
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uint16_t segment;
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uint8_t zero;
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uint8_t type;
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uint16_t offset_upper; // bits 16..31
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#ifdef __x86_64__
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uint32_t offset_long; // bits 32..63
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uint32_t zero2;
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#endif
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};
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typedef struct idt_entry idt_entry_t;
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void interrupts_setup();
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/* ISRs reserved for CPU exceptions */
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extern void isr0();
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extern void isr1();
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extern void isr2();
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extern void isr3();
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extern void isr4();
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extern void isr5();
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extern void isr6();
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extern void isr7();
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extern void isr8();
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extern void isr9();
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extern void isr10();
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extern void isr11();
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extern void isr12();
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extern void isr13();
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extern void isr14();
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extern void isr15();
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extern void isr16();
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extern void isr17();
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extern void isr18();
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extern void isr19();
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extern void isr20();
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extern void isr21();
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extern void isr22();
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extern void isr23();
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extern void isr24();
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extern void isr25();
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extern void isr26();
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extern void isr27();
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extern void isr28();
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extern void isr29();
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extern void isr30();
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extern void isr31();
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/* IRQ definitions */
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extern void irq0();
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extern void irq1();
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extern void irq2();
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extern void irq3();
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extern void irq4();
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extern void irq5();
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extern void irq6();
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extern void irq7();
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extern void irq8();
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extern void irq9();
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extern void irq10();
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extern void irq11();
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extern void irq12();
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extern void irq13();
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extern void irq14();
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extern void irq15();
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extern void irq_null();
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extern void irq_empty_handler();
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extern void syscall();
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#define IRQ0 32
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#define IRQ1 33
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#define IRQ2 34
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#define IRQ3 35
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#define IRQ4 36
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#define IRQ5 37
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#define IRQ6 38
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#define IRQ7 39
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#define IRQ8 40
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#define IRQ9 41
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#define IRQ10 42
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#define IRQ11 43
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#define IRQ12 44
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#define IRQ13 45
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#define IRQ14 46
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#define IRQ15 47
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#endif // _KERNEL_PLATFORM_X86_IDT_H
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