//
// isr.h -- Interface and structures for high level interrupt service routines.
//          Part of this code is modified from Bran's kernel development tutorials.
//          Rewritten for JamesM's kernel development tutorials.
//

#include "common.h"

// A few defines to make life a little easier
#define IRQ0 32
#define IRQ1 33
#define IRQ2 34
#define IRQ3 35
#define IRQ4 36
#define IRQ5 37
#define IRQ6 38
#define IRQ7 39
#define IRQ8 40
#define IRQ9 41
#define IRQ10 42
#define IRQ11 43
#define IRQ12 44
#define IRQ13 45
#define IRQ14 46
#define IRQ15 47

typedef struct registers
{
    u32int ds;                  // Data segment selector
    u32int edi, esi, ebp, esp, ebx, edx, ecx, eax; // Pushed by pusha.
    u32int int_no, err_code;    // Interrupt number and error code (if applicable)
    u32int eip, cs, eflags, useresp, ss; // Pushed by the processor automatically.
} registers_t;

// Enables registration of callbacks for interrupts or IRQs.
// For IRQs, to ease confusion, use the #defines above as the
// first parameter.
typedef void (*isr_t)(registers_t);
void register_interrupt_handler(u8int n, Sortix::IIRQHandler* handler);
