Subversion Repositories HelenOS

Rev

Rev 1702 | Rev 1780 | Go to most recent revision | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1702 Rev 1705
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
 /** @addtogroup amd64interrupt amd64
29
 /** @addtogroup amd64interrupt
30
 * @ingroup interrupt
-
 
31
 * @{
30
 * @{
32
 */
31
 */
33
/** @file
32
/** @file
34
 */
33
 */
35
 
34
 
36
#ifndef __ia32_INTERRUPT_H__
35
#ifndef __ia32_INTERRUPT_H__
37
#define __ia32_INTERRUPT_H__
36
#define __ia32_INTERRUPT_H__
38
 
37
 
39
#include <arch/types.h>
38
#include <arch/types.h>
40
#include <arch/pm.h>
39
#include <arch/pm.h>
41
 
40
 
42
#define IVT_ITEMS       IDT_ITEMS
41
#define IVT_ITEMS       IDT_ITEMS
43
 
42
 
44
#define EXC_COUNT   32
43
#define EXC_COUNT   32
45
#define IRQ_COUNT   16
44
#define IRQ_COUNT   16
46
 
45
 
47
#define IVT_EXCBASE     0
46
#define IVT_EXCBASE     0
48
#define IVT_IRQBASE     (IVT_EXCBASE+EXC_COUNT)
47
#define IVT_IRQBASE     (IVT_EXCBASE+EXC_COUNT)
49
#define IVT_FREEBASE        (IVT_IRQBASE+IRQ_COUNT)
48
#define IVT_FREEBASE        (IVT_IRQBASE+IRQ_COUNT)
50
 
49
 
51
#define IRQ_CLK     0
50
#define IRQ_CLK     0
52
#define IRQ_KBD     1
51
#define IRQ_KBD     1
53
#define IRQ_PIC1    2
52
#define IRQ_PIC1    2
54
#define IRQ_PIC_SPUR    7
53
#define IRQ_PIC_SPUR    7
55
 
54
 
56
/* this one must have four least significant bits set to ones */
55
/* this one must have four least significant bits set to ones */
57
#define VECTOR_APIC_SPUR    (IVT_ITEMS-1)
56
#define VECTOR_APIC_SPUR    (IVT_ITEMS-1)
58
 
57
 
59
#if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS)
58
#if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS)
60
#error Wrong definition of VECTOR_APIC_SPUR
59
#error Wrong definition of VECTOR_APIC_SPUR
61
#endif
60
#endif
62
 
61
 
63
#define VECTOR_DEBUG            1
62
#define VECTOR_DEBUG            1
64
#define VECTOR_PIC_SPUR     (IVT_IRQBASE+IRQ_PIC_SPUR)
63
#define VECTOR_PIC_SPUR     (IVT_IRQBASE+IRQ_PIC_SPUR)
65
#define VECTOR_CLK      (IVT_IRQBASE+IRQ_CLK)
64
#define VECTOR_CLK      (IVT_IRQBASE+IRQ_CLK)
66
#define VECTOR_KBD      (IVT_IRQBASE+IRQ_KBD)
65
#define VECTOR_KBD      (IVT_IRQBASE+IRQ_KBD)
67
 
66
 
68
#define VECTOR_TLB_SHOOTDOWN_IPI    (IVT_FREEBASE+0)
67
#define VECTOR_TLB_SHOOTDOWN_IPI    (IVT_FREEBASE+0)
69
#define VECTOR_WAKEUP_IPI       (IVT_FREEBASE+1)
68
#define VECTOR_WAKEUP_IPI       (IVT_FREEBASE+1)
70
#define VECTOR_DEBUG_IPI                (IVT_FREEBASE+2)
69
#define VECTOR_DEBUG_IPI                (IVT_FREEBASE+2)
71
 
70
 
72
/** This is passed to interrupt handlers */
71
/** This is passed to interrupt handlers */
73
struct istate {
72
struct istate {
74
    __u64 rax;
73
    __u64 rax;
75
    __u64 rbx;
74
    __u64 rbx;
76
    __u64 rcx;
75
    __u64 rcx;
77
    __u64 rdx;
76
    __u64 rdx;
78
    __u64 rsi;
77
    __u64 rsi;
79
    __u64 rdi;
78
    __u64 rdi;
80
    __u64 r8;
79
    __u64 r8;
81
    __u64 r9;
80
    __u64 r9;
82
    __u64 r10;
81
    __u64 r10;
83
    __u64 r11;
82
    __u64 r11;
84
    __u64 r12;
83
    __u64 r12;
85
    __u64 r13;
84
    __u64 r13;
86
    __u64 r14;
85
    __u64 r14;
87
    __u64 r15;
86
    __u64 r15;
88
    __u64 rbp;
87
    __u64 rbp;
89
    __u64 error_word;
88
    __u64 error_word;
90
    __u64 rip;
89
    __u64 rip;
91
    __u64 cs;
90
    __u64 cs;
92
    __u64 rflags;
91
    __u64 rflags;
93
    __u64 stack[]; /* Additional data on stack */
92
    __u64 stack[]; /* Additional data on stack */
94
};
93
};
95
 
94
 
96
/** Return true if exception happened while in userspace */
95
/** Return true if exception happened while in userspace */
97
static inline int istate_from_uspace(istate_t *istate)
96
static inline int istate_from_uspace(istate_t *istate)
98
{
97
{
99
    return !(istate->rip & 0x8000000000000000);
98
    return !(istate->rip & 0x8000000000000000);
100
}
99
}
101
 
100
 
102
static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
101
static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
103
{
102
{
104
    istate->rip = retaddr;
103
    istate->rip = retaddr;
105
}
104
}
106
static inline __native istate_get_pc(istate_t *istate)
105
static inline __native istate_get_pc(istate_t *istate)
107
{
106
{
108
    return istate->rip;
107
    return istate->rip;
109
}
108
}
110
 
109
 
111
extern void (* disable_irqs_function)(__u16 irqmask);
110
extern void (* disable_irqs_function)(__u16 irqmask);
112
extern void (* enable_irqs_function)(__u16 irqmask);
111
extern void (* enable_irqs_function)(__u16 irqmask);
113
extern void (* eoi_function)(void);
112
extern void (* eoi_function)(void);
114
 
113
 
115
extern void print_info_errcode(int n, istate_t *istate);
114
extern void print_info_errcode(int n, istate_t *istate);
116
extern void null_interrupt(int n, istate_t *istate);
115
extern void null_interrupt(int n, istate_t *istate);
117
extern void gp_fault(int n, istate_t *istate);
116
extern void gp_fault(int n, istate_t *istate);
118
extern void nm_fault(int n, istate_t *istate);
117
extern void nm_fault(int n, istate_t *istate);
119
extern void ss_fault(int n, istate_t *istate);
118
extern void ss_fault(int n, istate_t *istate);
120
extern void page_fault(int n, istate_t *istate);
119
extern void page_fault(int n, istate_t *istate);
121
extern void syscall(int n, istate_t *istate);
120
extern void syscall(int n, istate_t *istate);
122
extern void tlb_shootdown_ipi(int n, istate_t *istate);
121
extern void tlb_shootdown_ipi(int n, istate_t *istate);
123
 
122
 
124
extern void trap_virtual_enable_irqs(__u16 irqmask);
123
extern void trap_virtual_enable_irqs(__u16 irqmask);
125
extern void trap_virtual_disable_irqs(__u16 irqmask);
124
extern void trap_virtual_disable_irqs(__u16 irqmask);
126
extern void trap_virtual_eoi(void);
125
extern void trap_virtual_eoi(void);
127
/* AMD64 - specific page handler */
126
/* AMD64 - specific page handler */
128
extern void ident_page_fault(int n, istate_t *istate);
127
extern void ident_page_fault(int n, istate_t *istate);
129
 
128
 
130
#endif
129
#endif
131
 
130
 
132
 /** @}
131
 /** @}
133
 */
132
 */
134
 
133
 
135
 
134