73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#include "types.h"
|
|
|
|
#ifndef __INTERRUPTS_H__
|
|
#define __INTERRUPTS_H__
|
|
|
|
struct S_IDT_PTR {
|
|
u16 Limit;
|
|
u32 Base;
|
|
} __attribute__ ((packed));
|
|
typedef struct S_IDT_PTR T_IDT_PTR;
|
|
|
|
struct S_IDT_ENTRY {
|
|
u16 OffsetLow;
|
|
u16 Selector;
|
|
u8 Zero;
|
|
u8 Type;
|
|
u16 OffsetHigh;
|
|
} __attribute__ ((packed));
|
|
typedef struct S_IDT_ENTRY T_IDT_ENTRY;
|
|
|
|
enum E_INTERRUPTS_RING {
|
|
E_INTERRUPTS_RING0 = 0,
|
|
E_INTERRUPTS_RING1,
|
|
E_INTERRUPTS_RING2,
|
|
E_INTERRUPTS_RING3
|
|
};
|
|
typedef enum E_INTERRUPTS_RING T_INTERRUPTS_RING;
|
|
|
|
enum E_INTERRUPTS_CHIP {
|
|
E_INTERRUPTS_CHIP_UNK,
|
|
E_INTERRUPTS_CHIP_PIC,
|
|
E_INTERRUPTS_CHIP_APIC
|
|
};
|
|
typedef enum E_INTERRUPTS_CHIP T_INTERRUPTS_CHIP;
|
|
|
|
// This is a structure that allows easy access to a 12-byte ASM stub which
|
|
// calls a stdcall handler. Not the best way and not the shortest stub,
|
|
// but hey, it works.
|
|
struct S_ISR_STUB {
|
|
u16 Code1;
|
|
u8 Code2;
|
|
u64 Handler;
|
|
u32 Code3;
|
|
u8 Code4;
|
|
} __attribute__ ((packed));
|
|
typedef struct S_ISR_STUB T_ISR_STUB;
|
|
|
|
typedef struct {
|
|
u64 edi, esi, ebp, esp, ebx, edx, ecx, eax;
|
|
u32 Error;
|
|
u32 eip, cs, eflags, useresp, ss;
|
|
} T_ISR_REGISTERS_ERR;
|
|
|
|
typedef struct {
|
|
u32 edi, esi, ebp, esp, ebx, edx, ecx, eax;
|
|
u32 eip, cs, eflags, useresp, ss;
|
|
} T_ISR_REGISTERS;
|
|
|
|
u8 interrupts_init_idt(void);
|
|
void interrupts_setup_irq(u8 IRQ, void *Handler);
|
|
void interrupts_delete_isr(u8 Interrupt);
|
|
void interrupts_setup_isr_raw(u8 Interrupt, void *ASMHandler, \
|
|
T_INTERRUPTS_RING Ring);
|
|
void interrupts_setup_isr(u8 Interrupt, void *Handler, T_INTERRUPTS_RING Ring);
|
|
void interrupts_init_simple(void);
|
|
void interrupts_irq_finish(u8 IRQ);
|
|
void interrupts_lidt(void);
|
|
void interrupts_dump_idt_entry(u8 Interrupt);
|
|
void interrupts_dump_idt_ptr(void);
|
|
|
|
#endif
|
|
|