Subversion Repositories HelenOS

Rev

Rev 2787 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2787 Rev 4377
Line 24... Line 24...
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 amd64  
29
/** @addtogroup amd64
30
 * @{
30
 * @{
31
 */
31
 */
32
/** @file
32
/** @file
33
 */
33
 */
34
 
34
 
35
#ifndef KERN_amd64_PM_H_
35
#ifndef KERN_amd64_PM_H_
36
#define KERN_amd64_PM_H_
36
#define KERN_amd64_PM_H_
37
 
37
 
38
#ifndef __ASM__
38
#ifndef __ASM__
39
#   include <arch/types.h>
39
    #include <arch/types.h>
40
#   include <arch/context.h>
40
    #include <arch/context.h>
41
#endif
41
#endif
42
 
42
 
43
#define IDT_ITEMS 64
43
#define IDT_ITEMS  64
44
#define GDT_ITEMS 8
44
#define GDT_ITEMS  8
45
 
-
 
46
 
-
 
47
#define NULL_DES    0
-
 
48
/* Warning: Do not reorder next items, unless you look into syscall.c!!! */
-
 
49
#define KTEXT_DES   1
-
 
50
#define KDATA_DES   2
-
 
51
#define UDATA_DES   3
-
 
52
#define UTEXT_DES   4
-
 
53
#define KTEXT32_DES     5
-
 
54
/* EndOfWarning */
-
 
55
#define TSS_DES     6
-
 
56
 
45
 
57
 
46
 
-
 
47
#define NULL_DES     0
-
 
48
/* Warning: Do not reorder the following items, unless you look into syscall.c! */
-
 
49
#define KTEXT_DES    1
-
 
50
#define KDATA_DES    2
-
 
51
#define UDATA_DES    3
-
 
52
#define UTEXT_DES    4
-
 
53
#define KTEXT32_DES  5
-
 
54
/* End of warning */
-
 
55
#define TSS_DES      6
58
 
56
 
59
#ifdef CONFIG_FB
57
#ifdef CONFIG_FB
60
 
58
 
61
#define VESA_INIT_DES       8
59
#define VESA_INIT_DES      8
62
#define VESA_INIT_SEGMENT 0x8000
60
#define VESA_INIT_SEGMENT  0x8000
63
#undef GDT_ITEMS 
-
 
64
#define GDT_ITEMS 9
-
 
65
 
-
 
66
#endif /*CONFIG_FB*/
-
 
67
 
61
 
-
 
62
#undef GDT_ITEMS
-
 
63
#define GDT_ITEMS  9
68
 
64
 
-
 
65
#endif /* CONFIG_FB */
69
 
66
 
70
#define gdtselector(des)    ((des) << 3)
67
#define gdtselector(des)  ((des) << 3)
71
#define idtselector(des)    ((des) << 4)
68
#define idtselector(des)  ((des) << 4)
72
 
69
 
73
#define PL_KERNEL   0
70
#define PL_KERNEL  0
74
#define PL_USER     3
71
#define PL_USER    3
75
 
72
 
76
#define AR_PRESENT  (1<<7)
73
#define AR_PRESENT   ( 1 << 7)
77
#define AR_DATA     (2<<3)
74
#define AR_DATA       (2 << 3)
78
#define AR_CODE     (3<<3)
75
#define AR_CODE       (3 << 3)
79
#define AR_WRITABLE (1<<1)
76
#define AR_WRITABLE   (1 << 1)
80
#define AR_READABLE     (1<<1)
77
#define AR_READABLE   (1 << 1)
81
#define AR_TSS      (0x9)
78
#define AR_TSS        (0x09)
82
#define AR_INTERRUPT    (0xe)
79
#define AR_INTERRUPT  (0x0e)
83
#define AR_TRAP         (0xf)
80
#define AR_TRAP       (0x0f)
84
 
81
 
85
#define DPL_KERNEL  (PL_KERNEL<<5)
82
#define DPL_KERNEL  (PL_KERNEL << 5)
86
#define DPL_USER    (PL_USER<<5)
83
#define DPL_USER    (PL_USER << 5)
87
 
84
 
88
#define TSS_BASIC_SIZE  104
85
#define TSS_BASIC_SIZE  104
89
#define TSS_IOMAP_SIZE  (16*1024+1) /* 16K for bitmap + 1 terminating byte for convenience */
86
#define TSS_IOMAP_SIZE  (16 * 1024 + 1)  /* 16K for bitmap + 1 terminating byte for convenience */
90
 
87
 
91
#define IO_PORTS    (64*1024)
88
#define IO_PORTS  (64 * 1024)
92
 
89
 
93
#ifndef __ASM__
90
#ifndef __ASM__
94
 
91
 
95
struct descriptor {
92
typedef struct {
96
    unsigned limit_0_15: 16;
93
    unsigned limit_0_15: 16;
97
    unsigned base_0_15: 16;
94
    unsigned base_0_15: 16;
98
    unsigned base_16_23: 8;
95
    unsigned base_16_23: 8;
99
    unsigned access: 8;
96
    unsigned access: 8;
100
    unsigned limit_16_19: 4;
97
    unsigned limit_16_19: 4;
101
    unsigned available: 1;
98
    unsigned available: 1;
102
    unsigned longmode: 1;
99
    unsigned longmode: 1;
103
    unsigned special: 1;
100
    unsigned special: 1;
104
    unsigned granularity : 1;
101
    unsigned granularity : 1;
105
    unsigned base_24_31: 8;
102
    unsigned base_24_31: 8;
106
} __attribute__ ((packed));
103
} __attribute__ ((packed)) descriptor_t;
107
typedef struct descriptor descriptor_t;
-
 
108
 
104
 
109
struct tss_descriptor {
105
typedef struct {
110
    unsigned limit_0_15: 16;
106
    unsigned limit_0_15: 16;
111
    unsigned base_0_15: 16;
107
    unsigned base_0_15: 16;
112
    unsigned base_16_23: 8;
108
    unsigned base_16_23: 8;
113
    unsigned type: 4;
109
    unsigned type: 4;
114
    unsigned : 1;
110
    unsigned : 1;
Line 119... Line 115...
119
    unsigned : 2;
115
    unsigned : 2;
120
    unsigned granularity : 1;
116
    unsigned granularity : 1;
121
    unsigned base_24_31: 8;
117
    unsigned base_24_31: 8;
122
    unsigned base_32_63 : 32;
118
    unsigned base_32_63 : 32;
123
    unsigned  : 32;
119
    unsigned  : 32;
124
} __attribute__ ((packed));
120
} __attribute__ ((packed)) tss_descriptor_t;
125
typedef struct tss_descriptor tss_descriptor_t;
-
 
126
 
121
 
127
struct idescriptor {
122
typedef struct {
128
    unsigned offset_0_15: 16;
123
    unsigned offset_0_15: 16;
129
    unsigned selector: 16;
124
    unsigned selector: 16;
130
    unsigned ist:3;
125
    unsigned ist:3;
131
    unsigned unused: 5;
126
    unsigned unused: 5;
132
    unsigned type: 5;
127
    unsigned type: 5;
133
    unsigned dpl: 2;
128
    unsigned dpl: 2;
134
    unsigned present : 1;
129
    unsigned present : 1;
135
    unsigned offset_16_31: 16;
130
    unsigned offset_16_31: 16;
136
    unsigned offset_32_63: 32;
131
    unsigned offset_32_63: 32;
137
    unsigned  : 32;
132
    unsigned  : 32;
138
} __attribute__ ((packed));
133
} __attribute__ ((packed)) idescriptor_t;
139
typedef struct idescriptor idescriptor_t;
-
 
140
 
134
 
141
struct ptr_16_64 {
135
typedef struct {
142
    uint16_t limit;
136
    uint16_t limit;
143
    uint64_t base;
137
    uint64_t base;
144
} __attribute__ ((packed));
138
} __attribute__ ((packed)) ptr_16_64_t;
145
typedef struct ptr_16_64 ptr_16_64_t;
-
 
146
 
139
 
147
struct ptr_16_32 {
140
typedef struct {
148
    uint16_t limit;
141
    uint16_t limit;
149
    uint32_t base;
142
    uint32_t base;
150
} __attribute__ ((packed));
143
} __attribute__ ((packed)) ptr_16_32_t;
151
typedef struct ptr_16_32 ptr_16_32_t;
-
 
152
 
144
 
153
struct tss {
145
typedef struct {
154
    uint32_t reserve1;
146
    uint32_t reserve1;
155
    uint64_t rsp0;
147
    uint64_t rsp0;
156
    uint64_t rsp1;
148
    uint64_t rsp1;
157
    uint64_t rsp2;
149
    uint64_t rsp2;
158
    uint64_t reserve2;
150
    uint64_t reserve2;
Line 165... Line 157...
165
    uint64_t ist7;
157
    uint64_t ist7;
166
    uint64_t reserve3;
158
    uint64_t reserve3;
167
    uint16_t reserve4;
159
    uint16_t reserve4;
168
    uint16_t iomap_base;
160
    uint16_t iomap_base;
169
    uint8_t iomap[TSS_IOMAP_SIZE];
161
    uint8_t iomap[TSS_IOMAP_SIZE];
170
} __attribute__ ((packed));
162
} __attribute__ ((packed)) tss_t;
171
typedef struct tss tss_t;
-
 
172
 
163
 
173
extern tss_t *tss_p;
164
extern tss_t *tss_p;
174
 
165
 
175
extern descriptor_t gdt[];
166
extern descriptor_t gdt[];
176
extern idescriptor_t idt[];
167
extern idescriptor_t idt[];