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/*

 * Copyright (C) 2001-2004 Jakub Jermar

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * - Redistributions of source code must retain the above copyright

 *   notice, this list of conditions and the following disclaimer.

 * - Redistributions in binary form must reproduce the above copyright

 *   notice, this list of conditions and the following disclaimer in the

 *   documentation and/or other materials provided with the distribution.

 * - The name of the author may not be used to endorse or promote products

 *   derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef __INTERRUPT_H__

#define __INTERRUPT_H__

#include <arch/types.h>

#include <arch/pm.h>

#define IVT_ITEMS       IDT_ITEMS

#define EXC_COUNT   32

#define IRQ_COUNT   16

#define IVT_EXCBASE     0

#define IVT_IRQBASE     (IVT_EXCBASE+EXC_COUNT)

#define IVT_FREEBASE        (IVT_IRQBASE+IRQ_COUNT)

#define IRQ_CLK     0

#define IRQ_KBD     1

#define IRQ_PIC1    2

#define IRQ_PIC_SPUR    7

/* this one must have four least significant bits set to ones */

#define VECTOR_APIC_SPUR    (IVT_ITEMS-1)

#if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS)

#error Wrong definition of VECTOR_APIC_SPUR

#endif

#define VECTOR_PIC_SPUR     (IVT_IRQBASE+IRQ_PIC_SPUR)

#define VECTOR_CLK      (IVT_IRQBASE+IRQ_CLK)

#define VECTOR_KBD      (IVT_IRQBASE+IRQ_KBD)

#define VECTOR_SYSCALL          (IVT_FREEBASE+0)

#define VECTOR_TLB_SHOOTDOWN_IPI    (IVT_FREEBASE+1)

#define VECTOR_WAKEUP_IPI       (IVT_FREEBASE+2)

typedef void (* iroutine)(__u8 n, __native stack[]);

extern void (* disable_irqs_function)(__u16 irqmask);

extern void (* enable_irqs_function)(__u16 irqmask);

extern void (* eoi_function)(void);

extern iroutine trap_register(__u8 n, iroutine f);

extern void trap_dispatcher(__u8 n, __native stack[]);

extern void null_interrupt(__u8 n, __native stack[]);

extern void gp_fault(__u8 n, __native stack[]);

extern void nm_fault(__u8 n, __native stack[]);

extern void ss_fault(__u8 n, __native stack[]);

extern void page_fault(__u8 n, __native stack[]);

extern void syscall(__u8 n, __native stack[]);

extern void tlb_shootdown_ipi(__u8 n, __native stack[]);

extern void wakeup_ipi(__u8 n, __native stack[]);

extern void trap_virtual_enable_irqs(__u16 irqmask);

extern void trap_virtual_disable_irqs(__u16 irqmask);

extern void trap_virtual_eoi(void);

#endif