45 lines
972 B
C
45 lines
972 B
C
#ifndef INTERUPTS_H
|
|
#define INTERUPTS_H
|
|
|
|
#include <stdint.h>
|
|
|
|
typedef struct stack_t Stack;
|
|
struct stack_t
|
|
{
|
|
uint32_t gs, fs, es, ds;
|
|
uint32_t edi, esi, ebp, esp, ebx, edx, ecx, eax;
|
|
uint32_t id, err_code;
|
|
uint32_t eip, cs, eflags, useresp, ss;
|
|
};
|
|
|
|
#define NB_ISR_ROUTINES 256
|
|
|
|
void isr_install_handler(uint8_t isr, void (*handler)(Stack *registers));
|
|
void isr_uninstall_handler(uint8_t isr);
|
|
void isr_call_handler(Stack *registers);
|
|
void isr_install(void);
|
|
|
|
#define NB_IRQ_ROUTINES 16
|
|
|
|
#define PIC1 0x20
|
|
#define PIC2 0xA0
|
|
#define PIC1_CMD PIC1
|
|
#define PIC1_DATA (PIC1 + 1)
|
|
#define PIC2_CMD PIC2
|
|
#define PIC2_DATA (PIC2 + 1)
|
|
#define PIC1_OFFSET 0x20
|
|
#define PIC2_OFFSET 0x28
|
|
|
|
#define PIC_EOI 0x20
|
|
|
|
#define ICW1_ICW4 0x01
|
|
#define ICW1_INIT 0x10
|
|
#define ICW4_8086 0x01
|
|
|
|
void irq_install_handler(uint8_t irq, void (*handler)(Stack *registers));
|
|
void irq_uninstall_handler(uint8_t irq);
|
|
void irq_call_handler(Stack *registers);
|
|
void irq_install(void);
|
|
|
|
#endif
|