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| 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 ia32 |
29 | /** @addtogroup ia32 |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | /** @file |
32 | /** @file |
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | #ifndef KERN_ia32_PM_H_ |
35 | #ifndef KERN_ia32_PM_H_ |
| 36 | #define KERN_ia32_PM_H_ |
36 | #define KERN_ia32_PM_H_ |
| 37 | 37 | ||
| 38 | #define IDT_ITEMS 64 |
38 | #define IDT_ITEMS 64 |
| 39 | #define GDT_ITEMS 7 |
39 | #define GDT_ITEMS 7 |
| 40 | 40 | ||
| 41 | #define VESA_INIT_SEGMENT 0x8000 |
- | |
| 42 | - | ||
| 43 | #define NULL_DES 0 |
41 | #define NULL_DES 0 |
| 44 | #define KTEXT_DES 1 |
42 | #define KTEXT_DES 1 |
| 45 | #define KDATA_DES 2 |
43 | #define KDATA_DES 2 |
| 46 | #define UTEXT_DES 3 |
44 | #define UTEXT_DES 3 |
| 47 | #define UDATA_DES 4 |
45 | #define UDATA_DES 4 |
| 48 | #define TSS_DES 5 |
46 | #define TSS_DES 5 |
| 49 | #define TLS_DES 6 /* Pointer to Thread-Local-Storage data */ |
47 | #define TLS_DES 6 /* Pointer to Thread-Local-Storage data */ |
| 50 | 48 | ||
| 51 | #ifdef CONFIG_FB |
49 | #ifdef CONFIG_FB |
| 52 | 50 | ||
| 53 | #define VESA_INIT_SEGMENT 0x8000 |
51 | #define VESA_INIT_SEGMENT 0x8000 |
| 54 | #define VESA_INIT_DES 7 |
52 | #define VESA_INIT_DES 7 |
| - | 53 | #define KTEXT32_DES KTEXT_DES |
|
| - | 54 | ||
| 55 | #undef GDT_ITEMS |
55 | #undef GDT_ITEMS |
| 56 | #define GDT_ITEMS 8 |
56 | #define GDT_ITEMS 8 |
| 57 | 57 | ||
| 58 | #endif /* CONFIG_FB */ |
58 | #endif /* CONFIG_FB */ |
| 59 | 59 | ||
| - | 60 | #define gdtselector(des) ((des) << 3) |
|
| 60 | 61 | ||
| 61 | #define gdtselector(des) ((des) << 3) |
- | |
| 62 | - | ||
| 63 | #define PL_KERNEL 0 |
62 | #define PL_KERNEL 0 |
| 64 | #define PL_USER 3 |
63 | #define PL_USER 3 |
| 65 | 64 | ||
| 66 | #define AR_PRESENT (1 << 7) |
65 | #define AR_PRESENT (1 << 7) |
| 67 | #define AR_DATA (2 << 3) |
66 | #define AR_DATA (2 << 3) |
| 68 | #define AR_CODE (3 << 3) |
67 | #define AR_CODE (3 << 3) |
| 69 | #define AR_WRITABLE (1 << 1) |
68 | #define AR_WRITABLE (1 << 1) |
| 70 | #define AR_INTERRUPT (0xe) |
69 | #define AR_INTERRUPT (0x0e) |
| 71 | #define AR_TSS (0x9) |
70 | #define AR_TSS (0x09) |
| 72 | 71 | ||
| 73 | #define DPL_KERNEL (PL_KERNEL << 5) |
72 | #define DPL_KERNEL (PL_KERNEL << 5) |
| 74 | #define DPL_USER (PL_USER << 5) |
73 | #define DPL_USER (PL_USER << 5) |
| 75 | 74 | ||
| 76 | #define TSS_BASIC_SIZE 104 |
75 | #define TSS_BASIC_SIZE 104 |
| 77 | #define TSS_IOMAP_SIZE (16 * 1024 + 1) /* 16K for bitmap + 1 terminating byte for convenience */ |
76 | #define TSS_IOMAP_SIZE (16 * 1024 + 1) /* 16K for bitmap + 1 terminating byte for convenience */ |
| 78 | 77 | ||
| 79 | #define IO_PORTS (64 * 1024) |
78 | #define IO_PORTS (64 * 1024) |
| 80 | 79 | ||
| 81 | #ifndef __ASM__ |
80 | #ifndef __ASM__ |
| 82 | 81 | ||
| 83 | #include <arch/types.h> |
82 | #include <arch/types.h> |
| 84 | #include <arch/context.h> |
83 | #include <arch/context.h> |
| 85 | 84 | ||
| 86 | struct ptr_16_32 { |
85 | typedef struct { |
| 87 | uint16_t limit; |
86 | uint16_t limit; |
| 88 | uint32_t base; |
87 | uint32_t base; |
| 89 | } __attribute__ ((packed)); |
88 | } __attribute__ ((packed)) ptr_16_32_t; |
| 90 | typedef struct ptr_16_32 ptr_16_32_t; |
- | |
| 91 | 89 | ||
| 92 | struct descriptor { |
90 | typedef struct { |
| 93 | unsigned limit_0_15: 16; |
91 | unsigned limit_0_15: 16; |
| 94 | unsigned base_0_15: 16; |
92 | unsigned base_0_15: 16; |
| 95 | unsigned base_16_23: 8; |
93 | unsigned base_16_23: 8; |
| 96 | unsigned access: 8; |
94 | unsigned access: 8; |
| 97 | unsigned limit_16_19: 4; |
95 | unsigned limit_16_19: 4; |
| 98 | unsigned available: 1; |
96 | unsigned available: 1; |
| 99 | unsigned unused: 1; |
97 | unsigned unused: 1; |
| 100 | unsigned special: 1; |
98 | unsigned special: 1; |
| 101 | unsigned granularity : 1; |
99 | unsigned granularity : 1; |
| 102 | unsigned base_24_31: 8; |
100 | unsigned base_24_31: 8; |
| 103 | } __attribute__ ((packed)); |
101 | } __attribute__ ((packed)) descriptor_t; |
| 104 | typedef struct descriptor descriptor_t; |
- | |
| 105 | 102 | ||
| 106 | struct idescriptor { |
103 | typedef struct { |
| 107 | unsigned offset_0_15: 16; |
104 | unsigned offset_0_15: 16; |
| 108 | unsigned selector: 16; |
105 | unsigned selector: 16; |
| 109 | unsigned unused: 8; |
106 | unsigned unused: 8; |
| 110 | unsigned access: 8; |
107 | unsigned access: 8; |
| 111 | unsigned offset_16_31: 16; |
108 | unsigned offset_16_31: 16; |
| 112 | } __attribute__ ((packed)); |
109 | } __attribute__ ((packed)) idescriptor_t; |
| 113 | typedef struct idescriptor idescriptor_t; |
- | |
| 114 | 110 | ||
| 115 | struct tss { |
111 | typedef struct { |
| 116 | uint16_t link; |
112 | uint16_t link; |
| 117 | unsigned : 16; |
113 | unsigned : 16; |
| 118 | uint32_t esp0; |
114 | uint32_t esp0; |
| 119 | uint16_t ss0; |
115 | uint16_t ss0; |
| 120 | unsigned : 16; |
116 | unsigned : 16; |
| Line 150... | Line 146... | ||
| 150 | uint16_t ldtr; |
146 | uint16_t ldtr; |
| 151 | unsigned : 16; |
147 | unsigned : 16; |
| 152 | unsigned : 16; |
148 | unsigned : 16; |
| 153 | uint16_t iomap_base; |
149 | uint16_t iomap_base; |
| 154 | uint8_t iomap[TSS_IOMAP_SIZE]; |
150 | uint8_t iomap[TSS_IOMAP_SIZE]; |
| 155 | } __attribute__ ((packed)); |
151 | } __attribute__ ((packed)) tss_t; |
| 156 | typedef struct tss tss_t; |
- | |
| 157 | 152 | ||
| 158 | extern ptr_16_32_t gdtr; |
153 | extern ptr_16_32_t gdtr; |
| 159 | extern ptr_16_32_t bootstrap_gdtr; |
154 | extern ptr_16_32_t bootstrap_gdtr; |
| 160 | extern ptr_16_32_t protected_ap_gdtr; |
155 | extern ptr_16_32_t protected_ap_gdtr; |
| 161 | extern struct tss *tss_p; |
156 | extern tss_t *tss_p; |
| 162 | 157 | ||
| 163 | extern descriptor_t gdt[]; |
158 | extern descriptor_t gdt[]; |
| 164 | 159 | ||
| 165 | extern void pm_init(void); |
160 | extern void pm_init(void); |
| 166 | 161 | ||