Subversion Repositories HelenOS

Rev

Rev 2927 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2927 Rev 4346
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[];