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- | 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 | ||
- | 29 | #ifndef __INTERRUPT_H__ |
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- | 30 | #define __INTERRUPT_H__ |
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- | 31 | ||
- | 32 | #include <arch/types.h> |
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- | 33 | #include <arch/pm.h> |
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- | 34 | ||
- | 35 | #define IVT_ITEMS IDT_ITEMS |
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- | 36 | ||
- | 37 | #define EXC_COUNT 32 |
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- | 38 | #define IRQ_COUNT 16 |
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- | 39 | ||
- | 40 | #define IVT_EXCBASE 0 |
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- | 41 | #define IVT_IRQBASE (IVT_EXCBASE+EXC_COUNT) |
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- | 42 | #define IVT_FREEBASE (IVT_IRQBASE+IRQ_COUNT) |
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- | 43 | ||
- | 44 | #define IRQ_CLK 0 |
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- | 45 | #define IRQ_KBD 1 |
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- | 46 | #define IRQ_PIC1 2 |
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- | 47 | #define IRQ_PIC_SPUR 7 |
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- | 48 | ||
- | 49 | /* this one must have four least significant bits set to ones */ |
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- | 50 | #define VECTOR_APIC_SPUR (IVT_ITEMS-1) |
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- | 51 | ||
- | 52 | #if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS) |
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- | 53 | #error Wrong definition of VECTOR_APIC_SPUR |
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- | 54 | #endif |
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- | 55 | ||
- | 56 | #define VECTOR_PIC_SPUR (IVT_IRQBASE+IRQ_PIC_SPUR) |
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- | 57 | #define VECTOR_CLK (IVT_IRQBASE+IRQ_CLK) |
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- | 58 | #define VECTOR_KBD (IVT_IRQBASE+IRQ_KBD) |
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- | 59 | ||
- | 60 | #define VECTOR_SYSCALL (IVT_FREEBASE+0) |
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- | 61 | #define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE+1) |
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- | 62 | #define VECTOR_WAKEUP_IPI (IVT_FREEBASE+2) |
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- | 63 | ||
- | 64 | typedef void (* iroutine)(__u8 n, __native stack[]); |
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- | 65 | ||
- | 66 | extern void (* disable_irqs_function)(__u16 irqmask); |
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- | 67 | extern void (* enable_irqs_function)(__u16 irqmask); |
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- | 68 | extern void (* eoi_function)(void); |
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- | 69 | ||
- | 70 | extern iroutine trap_register(__u8 n, iroutine f); |
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- | 71 | ||
- | 72 | extern void trap_dispatcher(__u8 n, __native stack[]); |
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- | 73 | ||
- | 74 | extern void null_interrupt(__u8 n, __native stack[]); |
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- | 75 | extern void gp_fault(__u8 n, __native stack[]); |
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- | 76 | extern void nm_fault(__u8 n, __native stack[]); |
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- | 77 | extern void ss_fault(__u8 n, __native stack[]); |
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- | 78 | extern void page_fault(__u8 n, __native stack[]); |
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- | 79 | extern void syscall(__u8 n, __native stack[]); |
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- | 80 | extern void tlb_shootdown_ipi(__u8 n, __native stack[]); |
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- | 81 | extern void wakeup_ipi(__u8 n, __native stack[]); |
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- | 82 | ||
- | 83 | extern void trap_virtual_enable_irqs(__u16 irqmask); |
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- | 84 | extern void trap_virtual_disable_irqs(__u16 irqmask); |
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- | 85 | extern void trap_virtual_eoi(void); |
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- | 86 | ||
- | 87 | #endif |