Rev 1809 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 1809 | Rev 1821 | ||
---|---|---|---|
Line 41... | Line 41... | ||
41 | #define PAGE_SIZE FRAME_SIZE |
41 | #define PAGE_SIZE FRAME_SIZE |
42 | 42 | ||
43 | #ifdef KERNEL |
43 | #ifdef KERNEL |
44 | 44 | ||
45 | #ifndef __ASM__ |
45 | #ifndef __ASM__ |
- | 46 | # include <arch/hypercall.h> |
|
46 | # define KA2PA(x) (((uintptr_t) (x)) - 0x80000000) |
47 | # define KA2PA(x) (((uintptr_t) (x)) - 0x80000000) |
47 | # define PA2KA(x) (((uintptr_t) (x)) + 0x80000000) |
48 | # define PA2KA(x) (((uintptr_t) (x)) + 0x80000000) |
48 | #else |
49 | #else |
49 | # define KA2PA(x) ((x) - 0x80000000) |
50 | # define KA2PA(x) ((x) - 0x80000000) |
50 | # define PA2KA(x) ((x) + 0x80000000) |
51 | # define PA2KA(x) ((x) + 0x80000000) |
Line 57... | Line 58... | ||
57 | #define PTL0_ENTRIES_ARCH 1024 |
58 | #define PTL0_ENTRIES_ARCH 1024 |
58 | #define PTL1_ENTRIES_ARCH 0 |
59 | #define PTL1_ENTRIES_ARCH 0 |
59 | #define PTL2_ENTRIES_ARCH 0 |
60 | #define PTL2_ENTRIES_ARCH 0 |
60 | #define PTL3_ENTRIES_ARCH 1024 |
61 | #define PTL3_ENTRIES_ARCH 1024 |
61 | 62 | ||
62 | #define PTL0_INDEX_ARCH(vaddr) (((vaddr)>>22)&0x3ff) |
63 | #define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 22) & 0x3ff) |
63 | #define PTL1_INDEX_ARCH(vaddr) 0 |
64 | #define PTL1_INDEX_ARCH(vaddr) 0 |
64 | #define PTL2_INDEX_ARCH(vaddr) 0 |
65 | #define PTL2_INDEX_ARCH(vaddr) 0 |
65 | #define PTL3_INDEX_ARCH(vaddr) (((vaddr)>>12)&0x3ff) |
66 | #define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x3ff) |
66 | 67 | ||
67 | #define GET_PTL1_ADDRESS_ARCH(ptl0, i) ((pte_t *)((((pte_t *)(ptl0))[(i)].frame_address)<<12)) |
68 | #define GET_PTL1_ADDRESS_ARCH(ptl0, i) ((pte_t *)((((pte_t *)(ptl0))[(i)].frame_address) << 12)) |
68 | #define GET_PTL2_ADDRESS_ARCH(ptl1, i) (ptl1) |
69 | #define GET_PTL2_ADDRESS_ARCH(ptl1, i) (ptl1) |
69 | #define GET_PTL3_ADDRESS_ARCH(ptl2, i) (ptl2) |
70 | #define GET_PTL3_ADDRESS_ARCH(ptl2, i) (ptl2) |
70 | #define GET_FRAME_ADDRESS_ARCH(ptl3, i) ((uintptr_t)((((pte_t *)(ptl3))[(i)].frame_address)<<12)) |
71 | #define GET_FRAME_ADDRESS_ARCH(ptl3, i) ((uintptr_t)((((pte_t *)(ptl3))[(i)].frame_address) << 12)) |
71 | 72 | ||
72 | #define SET_PTL0_ADDRESS_ARCH(ptl0) (write_cr3((uintptr_t) (ptl0))) |
73 | #define SET_PTL0_ADDRESS_ARCH(ptl0) { \ |
- | 74 | mmuext_op_t mmu_ext; \ |
|
- | 75 | mmu_ext.cmd = MMUEXT_NEW_BASEPTR; \ |
|
- | 76 | mmu_ext.arg1.mfn = ADDR2PFN(PA2MA(ptl0)); \ |
|
- | 77 | xen_mmuext_op(&mmu_ext, 1, NULL, DOMID_SELF); \ |
|
- | 78 | } |
|
73 | #define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) (((pte_t *)(ptl0))[(i)].frame_address = (a)>>12) |
79 | #define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) { \ |
- | 80 | mmu_update_t update; \ |
|
- | 81 | update.ptr = PA2MA(KA2PA(&((pte_t *) (ptl0))[(i)])); \ |
|
- | 82 | update.val = PA2MA(a); \ |
|
- | 83 | xen_mmu_update(&update, 1, NULL, DOMID_SELF); \ |
|
- | 84 | } |
|
74 | #define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
85 | #define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
75 | #define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
86 | #define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
76 | #define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) (((pte_t *)(ptl3))[(i)].frame_address = (a)>>12) |
87 | #define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) { \ |
- | 88 | mmu_update_t update; \ |
|
- | 89 | update.ptr = PA2MA(KA2PA(&((pte_t *) (ptl3))[(i)])); \ |
|
- | 90 | update.val = PA2MA(a); \ |
|
- | 91 | xen_mmu_update(&update, 1, NULL, DOMID_SELF); \ |
|
- | 92 | } |
|
77 | 93 | ||
78 | #define GET_PTL1_FLAGS_ARCH(ptl0, i) get_pt_flags((pte_t *)(ptl0), (index_t)(i)) |
94 | #define GET_PTL1_FLAGS_ARCH(ptl0, i) get_pt_flags((pte_t *)(ptl0), (index_t)(i)) |
79 | #define GET_PTL2_FLAGS_ARCH(ptl1, i) PAGE_PRESENT |
95 | #define GET_PTL2_FLAGS_ARCH(ptl1, i) PAGE_PRESENT |
80 | #define GET_PTL3_FLAGS_ARCH(ptl2, i) PAGE_PRESENT |
96 | #define GET_PTL3_FLAGS_ARCH(ptl2, i) PAGE_PRESENT |
81 | #define GET_FRAME_FLAGS_ARCH(ptl3, i) get_pt_flags((pte_t *)(ptl3), (index_t)(i)) |
97 | #define GET_FRAME_FLAGS_ARCH(ptl3, i) get_pt_flags((pte_t *)(ptl3), (index_t)(i)) |
Line 85... | Line 101... | ||
85 | #define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
101 | #define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
86 | #define SET_FRAME_FLAGS_ARCH(ptl3, i, x) set_pt_flags((pte_t *)(ptl3), (index_t)(i), (x)) |
102 | #define SET_FRAME_FLAGS_ARCH(ptl3, i, x) set_pt_flags((pte_t *)(ptl3), (index_t)(i), (x)) |
87 | 103 | ||
88 | #define PTE_VALID_ARCH(p) (*((uint32_t *) (p)) != 0) |
104 | #define PTE_VALID_ARCH(p) (*((uint32_t *) (p)) != 0) |
89 | #define PTE_PRESENT_ARCH(p) ((p)->present != 0) |
105 | #define PTE_PRESENT_ARCH(p) ((p)->present != 0) |
90 | #define PTE_GET_FRAME_ARCH(p) ((p)->frame_address<<FRAME_WIDTH) |
106 | #define PTE_GET_FRAME_ARCH(p) ((p)->frame_address << FRAME_WIDTH) |
91 | #define PTE_WRITABLE_ARCH(p) ((p)->writeable != 0) |
107 | #define PTE_WRITABLE_ARCH(p) ((p)->writeable != 0) |
92 | #define PTE_EXECUTABLE_ARCH(p) 1 |
108 | #define PTE_EXECUTABLE_ARCH(p) 1 |
93 | 109 | ||
94 | #ifndef __ASM__ |
110 | #ifndef __ASM__ |
95 | 111 | ||
Line 99... | Line 115... | ||
99 | #include <typedefs.h> |
115 | #include <typedefs.h> |
100 | 116 | ||
101 | /* Page fault error codes. */ |
117 | /* Page fault error codes. */ |
102 | 118 | ||
103 | /** When bit on this position is 0, the page fault was caused by a not-present page. */ |
119 | /** When bit on this position is 0, the page fault was caused by a not-present page. */ |
104 | #define PFERR_CODE_P (1<<0) |
120 | #define PFERR_CODE_P (1 << 0) |
105 | 121 | ||
106 | /** When bit on this position is 1, the page fault was caused by a write. */ |
122 | /** When bit on this position is 1, the page fault was caused by a write. */ |
107 | #define PFERR_CODE_RW (1<<1) |
123 | #define PFERR_CODE_RW (1 << 1) |
108 | 124 | ||
109 | /** When bit on this position is 1, the page fault was caused in user mode. */ |
125 | /** When bit on this position is 1, the page fault was caused in user mode. */ |
110 | #define PFERR_CODE_US (1<<2) |
126 | #define PFERR_CODE_US (1 << 2) |
111 | 127 | ||
112 | /** When bit on this position is 1, a reserved bit was set in page directory. */ |
128 | /** When bit on this position is 1, a reserved bit was set in page directory. */ |
113 | #define PFERR_CODE_RSVD (1<<3) |
129 | #define PFERR_CODE_RSVD (1 << 3) |
114 | 130 | ||
115 | /** Page Table Entry. */ |
131 | /** Page Table Entry. */ |
116 | struct page_specifier { |
132 | struct page_specifier { |
117 | unsigned present : 1; |
133 | unsigned present : 1; |
118 | unsigned writeable : 1; |
134 | unsigned writeable : 1; |