| [f761f1eb] | 1 | /*
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| 2 | * Copyright (C) 2001-2004 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #ifndef __INTERRUPT_H__
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| 30 | #define __INTERRUPT_H__
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| 31 |
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| 32 | #include <arch/types.h>
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| 33 | #include <arch/pm.h>
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| 34 |
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| 35 | #define IVT_ITEMS IDT_ITEMS
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| 36 |
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| 37 | #define IVT_EXCBASE 0
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| 38 | #define EXCLAST 31
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| 39 |
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| 40 | #define IVT_IRQBASE (IVT_EXCBASE+EXCLAST+1)
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| 41 | #define IRQLAST 15
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| 42 |
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| 43 | #define IVT_FREEBASE (IVT_IRQBASE+IRQLAST+1)
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| 44 |
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| 45 | #define IRQ_CLK 0
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| 46 | #define IRQ_KBD 1
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| 47 | #define IRQ_PIC1 2
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| 48 | #define IRQ_PIC_SPUR 7
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| 49 |
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| 50 | /* this one must have four least significant bits set to ones */
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| 51 | #define VECTOR_APIC_SPUR (IVT_ITEMS-1)
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| 52 |
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| 53 | #if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS)
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| 54 | #error Wrong definition of VECTOR_APIC_SPUR
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| 55 | #endif
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| 56 |
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| 57 | #define VECTOR_PIC_SPUR (IVT_IRQBASE+IRQ_PIC_SPUR)
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| 58 | #define VECTOR_CLK (IVT_IRQBASE+IRQ_CLK)
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| 59 | #define VECTOR_KBD (IVT_IRQBASE+IRQ_KBD)
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| 60 |
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| [4ffa9e0] | 61 | #define VECTOR_SYSCALL (IVT_FREEBASE+0)
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| 62 | #define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE+1)
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| 63 | #define VECTOR_WAKEUP_IPI (IVT_FREEBASE+2)
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| [f761f1eb] | 64 |
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| 65 | typedef void (* iroutine)(__u8 n, __u32 stack[]);
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| 66 |
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| 67 | extern iroutine ivt[IVT_ITEMS];
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| 68 |
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| 69 | extern void (* disable_irqs_function)(__u16 irqmask);
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| 70 | extern void (* enable_irqs_function)(__u16 irqmask);
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| 71 | extern void (* eoi_function)(void);
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| 72 |
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| 73 | extern iroutine trap_register(__u8 n, iroutine f);
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| 74 |
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| 75 | extern void trap_dispatcher(__u8 n, __u32 stack[]);
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| 76 |
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| 77 | extern void null_interrupt(__u8 n, __u32 stack[]);
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| 78 | extern void gp_fault(__u8 n, __u32 stack[]);
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| [6a27d63] | 79 | extern void nm_fault(__u8 n, __u32 stack[]);
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| [6de2480e] | 80 | extern void ss_fault(__u8 n, __u32 stack[]);
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| [f761f1eb] | 81 | extern void page_fault(__u8 n, __u32 stack[]);
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| 82 | extern void syscall(__u8 n, __u32 stack[]);
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| [b109ebb] | 83 | extern void tlb_shootdown_ipi(__u8 n, __u32 stack[]);
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| [4ffa9e0] | 84 | extern void wakeup_ipi(__u8 n, __u32 stack[]);
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| [f761f1eb] | 85 |
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| 86 | extern void trap_virtual_enable_irqs(__u16 irqmask);
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| 87 | extern void trap_virtual_disable_irqs(__u16 irqmask);
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| 88 | extern void trap_virtual_eoi(void);
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| 89 |
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| 90 | #endif
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