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