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1 | jermar | 1 | /* |
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 | |||
576 | palkovsky | 29 | #ifndef __ia32_INTERRUPT_H__ |
30 | #define __ia32_INTERRUPT_H__ |
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1 | jermar | 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 | |||
515 | jermar | 37 | #define EXC_COUNT 32 |
38 | #define IRQ_COUNT 16 |
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39 | |||
1 | jermar | 40 | #define IVT_EXCBASE 0 |
515 | jermar | 41 | #define IVT_IRQBASE (IVT_EXCBASE+EXC_COUNT) |
42 | #define IVT_FREEBASE (IVT_IRQBASE+IRQ_COUNT) |
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1 | jermar | 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 | |||
1074 | palkovsky | 56 | #define VECTOR_DEBUG 1 |
1 | jermar | 57 | #define VECTOR_PIC_SPUR (IVT_IRQBASE+IRQ_PIC_SPUR) |
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 | |||
7 | jermar | 61 | #define VECTOR_SYSCALL (IVT_FREEBASE+0) |
62 | #define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE+1) |
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1077 | palkovsky | 63 | #define VECTOR_DEBUG_IPI (IVT_FREEBASE+2) |
1 | jermar | 64 | |
958 | jermar | 65 | struct istate { |
1100 | palkovsky | 66 | __u32 eax; |
67 | __u32 ecx; |
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68 | __u32 edx; |
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69 | __u32 esi; |
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958 | jermar | 70 | __u32 edi; |
71 | __u32 ebp; |
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72 | __u32 ebx; |
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1100 | palkovsky | 73 | |
74 | __u32 gs; |
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75 | __u32 fs; |
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76 | __u32 es; |
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77 | __u32 ds; |
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78 | |||
958 | jermar | 79 | __u32 error_word; |
80 | __u32 eip; |
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81 | __u32 cs; |
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82 | __u32 eflags; |
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83 | __u32 stack[]; |
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84 | }; |
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85 | |||
1288 | jermar | 86 | static inline void istate_set_retaddr(istate_t *istate, __address retaddr) |
87 | { |
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88 | istate->eip = retaddr; |
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89 | } |
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90 | |||
1 | jermar | 91 | extern void (* disable_irqs_function)(__u16 irqmask); |
92 | extern void (* enable_irqs_function)(__u16 irqmask); |
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93 | extern void (* eoi_function)(void); |
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94 | |||
958 | jermar | 95 | extern void null_interrupt(int n, istate_t *istate); |
96 | extern void gp_fault(int n, istate_t *istate); |
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97 | extern void nm_fault(int n, istate_t *istate); |
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98 | extern void ss_fault(int n, istate_t *istate); |
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1019 | vana | 99 | extern void simd_fp_exception(int n, istate_t *istate); |
958 | jermar | 100 | extern void page_fault(int n, istate_t *istate); |
101 | extern void syscall(int n, istate_t *istate); |
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102 | extern void tlb_shootdown_ipi(int n, istate_t *istate); |
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1 | jermar | 103 | |
104 | extern void trap_virtual_enable_irqs(__u16 irqmask); |
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105 | extern void trap_virtual_disable_irqs(__u16 irqmask); |
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106 | extern void trap_virtual_eoi(void); |
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107 | |||
108 | #endif |