Subversion Repositories HelenOS-historic

Rev

Rev 1289 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1289 Rev 1292
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 __amd64_PM_H__
29
#ifndef __amd64_PM_H__
30
#define __amd64_PM_H__
30
#define __amd64_PM_H__
31
 
31
 
32
#ifndef __ASM__
32
#ifndef __ASM__
33
# include <arch/types.h>
33
# include <arch/types.h>
34
# include <typedefs.h>
34
# include <typedefs.h>
35
# include <arch/context.h>
35
# include <arch/context.h>
36
#endif
36
#endif
37
 
37
 
38
#define IDT_ITEMS 64
38
#define IDT_ITEMS 64
39
#define GDT_ITEMS 9
39
#define GDT_ITEMS 8
40
 
40
 
41
#define VESA_INIT_SEGMENT 0x8000
-
 
42
 
41
 
43
#define NULL_DES    0
42
#define NULL_DES    0
44
/* Warning: Do not reorder next items, unless you look into syscall.c!!! */
43
/* Warning: Do not reorder next items, unless you look into syscall.c!!! */
45
#define KTEXT_DES   1
44
#define KTEXT_DES   1
46
#define KDATA_DES   2
45
#define KDATA_DES   2
47
#define UDATA_DES   3
46
#define UDATA_DES   3
48
#define UTEXT_DES   4
47
#define UTEXT_DES   4
49
#define KTEXT32_DES     5
48
#define KTEXT32_DES     5
50
/* EndOfWarning */
49
/* EndOfWarning */
51
#define TSS_DES     6
50
#define TSS_DES     6
-
 
51
 
-
 
52
 
-
 
53
 
-
 
54
#ifdef CONFIG_FB
-
 
55
 
52
#define VESA_INIT_DES       8
56
#define VESA_INIT_DES       8
-
 
57
#define VESA_INIT_SEGMENT 0x8000
-
 
58
#undef GDT_ITEMS 
-
 
59
#define GDT_ITEMS 9
-
 
60
 
-
 
61
#endif /*CONFIG_FB*/
-
 
62
 
-
 
63
 
53
 
64
 
54
#define gdtselector(des)    ((des)<<3)
65
#define gdtselector(des)    ((des)<<3)
55
#define idtselector(des)        ((des)<<4)
66
#define idtselector(des)        ((des)<<4)
56
 
67
 
57
#define PL_KERNEL   0
68
#define PL_KERNEL   0
58
#define PL_USER     3
69
#define PL_USER     3
59
 
70
 
60
#define AR_PRESENT  (1<<7)
71
#define AR_PRESENT  (1<<7)
61
#define AR_DATA     (2<<3)
72
#define AR_DATA     (2<<3)
62
#define AR_CODE     (3<<3)
73
#define AR_CODE     (3<<3)
63
#define AR_WRITABLE (1<<1)
74
#define AR_WRITABLE (1<<1)
64
#define AR_READABLE     (1<<1)
75
#define AR_READABLE     (1<<1)
65
#define AR_TSS      (0x9)
76
#define AR_TSS      (0x9)
66
#define AR_INTERRUPT    (0xe)
77
#define AR_INTERRUPT    (0xe)
67
#define AR_TRAP         (0xf)
78
#define AR_TRAP         (0xf)
68
 
79
 
69
#define DPL_KERNEL  (PL_KERNEL<<5)
80
#define DPL_KERNEL  (PL_KERNEL<<5)
70
#define DPL_USER    (PL_USER<<5)
81
#define DPL_USER    (PL_USER<<5)
71
 
82
 
72
#define TSS_BASIC_SIZE  104
83
#define TSS_BASIC_SIZE  104
73
#define TSS_IOMAP_SIZE  (16*1024+1) /* 16K for bitmap + 1 terminating byte for convenience */
84
#define TSS_IOMAP_SIZE  (16*1024+1) /* 16K for bitmap + 1 terminating byte for convenience */
74
 
85
 
75
#define IO_PORTS    (64*1024)
86
#define IO_PORTS    (64*1024)
76
 
87
 
77
#ifndef __ASM__
88
#ifndef __ASM__
78
 
89
 
79
struct descriptor {
90
struct descriptor {
80
    unsigned limit_0_15: 16;
91
    unsigned limit_0_15: 16;
81
    unsigned base_0_15: 16;
92
    unsigned base_0_15: 16;
82
    unsigned base_16_23: 8;
93
    unsigned base_16_23: 8;
83
    unsigned access: 8;
94
    unsigned access: 8;
84
    unsigned limit_16_19: 4;
95
    unsigned limit_16_19: 4;
85
    unsigned available: 1;
96
    unsigned available: 1;
86
    unsigned longmode: 1;
97
    unsigned longmode: 1;
87
    unsigned special: 1;
98
    unsigned special: 1;
88
    unsigned granularity : 1;
99
    unsigned granularity : 1;
89
    unsigned base_24_31: 8;
100
    unsigned base_24_31: 8;
90
} __attribute__ ((packed));
101
} __attribute__ ((packed));
91
typedef struct descriptor descriptor_t;
102
typedef struct descriptor descriptor_t;
92
 
103
 
93
struct tss_descriptor {
104
struct tss_descriptor {
94
    unsigned limit_0_15: 16;
105
    unsigned limit_0_15: 16;
95
    unsigned base_0_15: 16;
106
    unsigned base_0_15: 16;
96
    unsigned base_16_23: 8;
107
    unsigned base_16_23: 8;
97
    unsigned type: 4;
108
    unsigned type: 4;
98
    unsigned : 1;
109
    unsigned : 1;
99
    unsigned dpl : 2;
110
    unsigned dpl : 2;
100
    unsigned present : 1;
111
    unsigned present : 1;
101
    unsigned limit_16_19: 4;
112
    unsigned limit_16_19: 4;
102
    unsigned available: 1;
113
    unsigned available: 1;
103
    unsigned : 2;
114
    unsigned : 2;
104
    unsigned granularity : 1;
115
    unsigned granularity : 1;
105
    unsigned base_24_31: 8;
116
    unsigned base_24_31: 8;
106
    unsigned base_32_63 : 32;
117
    unsigned base_32_63 : 32;
107
    unsigned  : 32;
118
    unsigned  : 32;
108
} __attribute__ ((packed));
119
} __attribute__ ((packed));
109
typedef struct tss_descriptor tss_descriptor_t;
120
typedef struct tss_descriptor tss_descriptor_t;
110
 
121
 
111
struct idescriptor {
122
struct idescriptor {
112
    unsigned offset_0_15: 16;
123
    unsigned offset_0_15: 16;
113
    unsigned selector: 16;
124
    unsigned selector: 16;
114
    unsigned ist:3;
125
    unsigned ist:3;
115
    unsigned unused: 5;
126
    unsigned unused: 5;
116
    unsigned type: 5;
127
    unsigned type: 5;
117
    unsigned dpl: 2;
128
    unsigned dpl: 2;
118
    unsigned present : 1;
129
    unsigned present : 1;
119
    unsigned offset_16_31: 16;
130
    unsigned offset_16_31: 16;
120
    unsigned offset_32_63: 32;
131
    unsigned offset_32_63: 32;
121
    unsigned  : 32;
132
    unsigned  : 32;
122
} __attribute__ ((packed));
133
} __attribute__ ((packed));
123
typedef struct idescriptor idescriptor_t;
134
typedef struct idescriptor idescriptor_t;
124
 
135
 
125
struct ptr_16_64 {
136
struct ptr_16_64 {
126
    __u16 limit;
137
    __u16 limit;
127
    __u64 base;
138
    __u64 base;
128
} __attribute__ ((packed));
139
} __attribute__ ((packed));
129
typedef struct ptr_16_64 ptr_16_64_t;
140
typedef struct ptr_16_64 ptr_16_64_t;
130
 
141
 
131
struct ptr_16_32 {
142
struct ptr_16_32 {
132
    __u16 limit;
143
    __u16 limit;
133
    __u32 base;
144
    __u32 base;
134
} __attribute__ ((packed));
145
} __attribute__ ((packed));
135
typedef struct ptr_16_32 ptr_16_32_t;
146
typedef struct ptr_16_32 ptr_16_32_t;
136
 
147
 
137
struct tss {
148
struct tss {
138
    __u32 reserve1;
149
    __u32 reserve1;
139
    __u64 rsp0;
150
    __u64 rsp0;
140
    __u64 rsp1;
151
    __u64 rsp1;
141
    __u64 rsp2;
152
    __u64 rsp2;
142
    __u64 reserve2;
153
    __u64 reserve2;
143
    __u64 ist1;
154
    __u64 ist1;
144
    __u64 ist2;
155
    __u64 ist2;
145
    __u64 ist3;
156
    __u64 ist3;
146
    __u64 ist4;
157
    __u64 ist4;
147
    __u64 ist5;
158
    __u64 ist5;
148
    __u64 ist6;
159
    __u64 ist6;
149
    __u64 ist7;
160
    __u64 ist7;
150
    __u64 reserve3;
161
    __u64 reserve3;
151
    __u16 reserve4;
162
    __u16 reserve4;
152
    __u16 iomap_base;
163
    __u16 iomap_base;
153
    __u8 iomap[TSS_IOMAP_SIZE];
164
    __u8 iomap[TSS_IOMAP_SIZE];
154
} __attribute__ ((packed));
165
} __attribute__ ((packed));
155
typedef struct tss tss_t;
166
typedef struct tss tss_t;
156
 
167
 
157
extern tss_t *tss_p;
168
extern tss_t *tss_p;
158
 
169
 
159
extern descriptor_t gdt[];
170
extern descriptor_t gdt[];
160
extern idescriptor_t idt[];
171
extern idescriptor_t idt[];
161
 
172
 
162
extern ptr_16_64_t gdtr;
173
extern ptr_16_64_t gdtr;
163
extern ptr_16_32_t bootstrap_gdtr;
174
extern ptr_16_32_t bootstrap_gdtr;
164
extern ptr_16_32_t protected_ap_gdtr;
175
extern ptr_16_32_t protected_ap_gdtr;
165
 
176
 
166
extern void pm_init(void);
177
extern void pm_init(void);
167
 
178
 
168
extern void gdt_tss_setbase(descriptor_t *d, __address base);
179
extern void gdt_tss_setbase(descriptor_t *d, __address base);
169
extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);
180
extern void gdt_tss_setlimit(descriptor_t *d, __u32 limit);
170
 
181
 
171
extern void idt_init(void);
182
extern void idt_init(void);
172
extern void idt_setoffset(idescriptor_t *d, __address offset);
183
extern void idt_setoffset(idescriptor_t *d, __address offset);
173
 
184
 
174
extern void tss_initialize(tss_t *t);
185
extern void tss_initialize(tss_t *t);
175
 
186
 
176
#endif /* __ASM__ */
187
#endif /* __ASM__ */
177
 
188
 
178
#endif
189
#endif
179
 
190