| 1 | /*
|
|---|
| 2 | * Copyright (C) 2001-2004 Jakub Jermar
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | #ifndef __ia32_INTERRUPT_H__
|
|---|
| 30 | #define __ia32_INTERRUPT_H__
|
|---|
| 31 |
|
|---|
| 32 | #include <arch/types.h>
|
|---|
| 33 | #include <arch/pm.h>
|
|---|
| 34 |
|
|---|
| 35 | #define IVT_ITEMS IDT_ITEMS
|
|---|
| 36 |
|
|---|
| 37 | #define EXC_COUNT 32
|
|---|
| 38 | #define IRQ_COUNT 16
|
|---|
| 39 |
|
|---|
| 40 | #define IVT_EXCBASE 0
|
|---|
| 41 | #define IVT_IRQBASE (IVT_EXCBASE+EXC_COUNT)
|
|---|
| 42 | #define IVT_FREEBASE (IVT_IRQBASE+IRQ_COUNT)
|
|---|
| 43 |
|
|---|
| 44 | #define IRQ_CLK 0
|
|---|
| 45 | #define IRQ_KBD 1
|
|---|
| 46 | #define IRQ_PIC1 2
|
|---|
| 47 | #define IRQ_PIC_SPUR 7
|
|---|
| 48 |
|
|---|
| 49 | /* this one must have four least significant bits set to ones */
|
|---|
| 50 | #define VECTOR_APIC_SPUR (IVT_ITEMS-1)
|
|---|
| 51 |
|
|---|
| 52 | #if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS)
|
|---|
| 53 | #error Wrong definition of VECTOR_APIC_SPUR
|
|---|
| 54 | #endif
|
|---|
| 55 |
|
|---|
| 56 | #define VECTOR_DEBUG 1
|
|---|
| 57 | #define VECTOR_PIC_SPUR (IVT_IRQBASE+IRQ_PIC_SPUR)
|
|---|
| 58 | #define VECTOR_CLK (IVT_IRQBASE+IRQ_CLK)
|
|---|
| 59 | #define VECTOR_KBD (IVT_IRQBASE+IRQ_KBD)
|
|---|
| 60 |
|
|---|
| 61 | #define VECTOR_SYSCALL (IVT_FREEBASE+0)
|
|---|
| 62 | #define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE+1)
|
|---|
| 63 | #define VECTOR_DEBUG_IPI (IVT_FREEBASE+2)
|
|---|
| 64 |
|
|---|
| 65 | struct istate {
|
|---|
| 66 | __u32 eax;
|
|---|
| 67 | __u32 ecx;
|
|---|
| 68 | __u32 edx;
|
|---|
| 69 | __u32 esi;
|
|---|
| 70 | __u32 edi;
|
|---|
| 71 | __u32 ebp;
|
|---|
| 72 | __u32 ebx;
|
|---|
| 73 |
|
|---|
| 74 | __u32 gs;
|
|---|
| 75 | __u32 fs;
|
|---|
| 76 | __u32 es;
|
|---|
| 77 | __u32 ds;
|
|---|
| 78 |
|
|---|
| 79 | __u32 error_word;
|
|---|
| 80 | __u32 eip;
|
|---|
| 81 | __u32 cs;
|
|---|
| 82 | __u32 eflags;
|
|---|
| 83 | __u32 stack[];
|
|---|
| 84 | };
|
|---|
| 85 |
|
|---|
| 86 | extern void (* disable_irqs_function)(__u16 irqmask);
|
|---|
| 87 | extern void (* enable_irqs_function)(__u16 irqmask);
|
|---|
| 88 | extern void (* eoi_function)(void);
|
|---|
| 89 |
|
|---|
| 90 | extern void null_interrupt(int n, istate_t *istate);
|
|---|
| 91 | extern void gp_fault(int n, istate_t *istate);
|
|---|
| 92 | extern void nm_fault(int n, istate_t *istate);
|
|---|
| 93 | extern void ss_fault(int n, istate_t *istate);
|
|---|
| 94 | extern void simd_fp_exception(int n, istate_t *istate);
|
|---|
| 95 | extern void page_fault(int n, istate_t *istate);
|
|---|
| 96 | extern void syscall(int n, istate_t *istate);
|
|---|
| 97 | extern void tlb_shootdown_ipi(int n, istate_t *istate);
|
|---|
| 98 |
|
|---|
| 99 | extern void trap_virtual_enable_irqs(__u16 irqmask);
|
|---|
| 100 | extern void trap_virtual_disable_irqs(__u16 irqmask);
|
|---|
| 101 | extern void trap_virtual_eoi(void);
|
|---|
| 102 |
|
|---|
| 103 | #endif
|
|---|
