Rev 3425 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 3425 | Rev 4692 | ||
|---|---|---|---|
| Line 110... | Line 110... | ||
| 110 | #define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \ |
110 | #define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \ |
| 111 | (((pte_t *) (ptl3))[(i)].pfn = (a) >> 12) |
111 | (((pte_t *) (ptl3))[(i)].pfn = (a) >> 12) |
| 112 | 112 | ||
| 113 | /* Get PTE flags accessors for each level. */ |
113 | /* Get PTE flags accessors for each level. */ |
| 114 | #define GET_PTL1_FLAGS_ARCH(ptl0, i) \ |
114 | #define GET_PTL1_FLAGS_ARCH(ptl0, i) \ |
| 115 | get_pt_flags((pte_t *) (ptl0), (index_t) (i)) |
115 | get_pt_flags((pte_t *) (ptl0), (size_t) (i)) |
| 116 | #define GET_PTL2_FLAGS_ARCH(ptl1, i) \ |
116 | #define GET_PTL2_FLAGS_ARCH(ptl1, i) \ |
| 117 | PAGE_PRESENT |
117 | PAGE_PRESENT |
| 118 | #define GET_PTL3_FLAGS_ARCH(ptl2, i) \ |
118 | #define GET_PTL3_FLAGS_ARCH(ptl2, i) \ |
| 119 | PAGE_PRESENT |
119 | PAGE_PRESENT |
| 120 | #define GET_FRAME_FLAGS_ARCH(ptl3, i) \ |
120 | #define GET_FRAME_FLAGS_ARCH(ptl3, i) \ |
| 121 | get_pt_flags((pte_t *) (ptl3), (index_t) (i)) |
121 | get_pt_flags((pte_t *) (ptl3), (size_t) (i)) |
| 122 | 122 | ||
| 123 | /* Set PTE flags accessors for each level. */ |
123 | /* Set PTE flags accessors for each level. */ |
| 124 | #define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \ |
124 | #define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \ |
| 125 | set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x)) |
125 | set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x)) |
| 126 | #define SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
126 | #define SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
| 127 | #define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
127 | #define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
| 128 | #define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \ |
128 | #define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \ |
| 129 | set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x)) |
129 | set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x)) |
| 130 | 130 | ||
| 131 | /* Last-level info macros. */ |
131 | /* Last-level info macros. */ |
| 132 | #define PTE_VALID_ARCH(pte) (*((uint32_t *) (pte)) != 0) |
132 | #define PTE_VALID_ARCH(pte) (*((uint32_t *) (pte)) != 0) |
| 133 | #define PTE_PRESENT_ARCH(pte) ((pte)->p != 0) |
133 | #define PTE_PRESENT_ARCH(pte) ((pte)->p != 0) |
| 134 | #define PTE_GET_FRAME_ARCH(pte) ((pte)->pfn << 12) |
134 | #define PTE_GET_FRAME_ARCH(pte) ((pte)->pfn << 12) |
| Line 138... | Line 138... | ||
| 138 | #ifndef __ASM__ |
138 | #ifndef __ASM__ |
| 139 | 139 | ||
| 140 | #include <mm/mm.h> |
140 | #include <mm/mm.h> |
| 141 | #include <arch/exception.h> |
141 | #include <arch/exception.h> |
| 142 | 142 | ||
| 143 | static inline int get_pt_flags(pte_t *pt, index_t i) |
143 | static inline int get_pt_flags(pte_t *pt, size_t i) |
| 144 | { |
144 | { |
| 145 | pte_t *p = &pt[i]; |
145 | pte_t *p = &pt[i]; |
| 146 | 146 | ||
| 147 | return ((p->cacheable << PAGE_CACHEABLE_SHIFT) | |
147 | return ((p->cacheable << PAGE_CACHEABLE_SHIFT) | |
| 148 | ((!p->p) << PAGE_PRESENT_SHIFT) | |
148 | ((!p->p) << PAGE_PRESENT_SHIFT) | |
| Line 151... | Line 151... | ||
| 151 | ((p->w) << PAGE_WRITE_SHIFT) | |
151 | ((p->w) << PAGE_WRITE_SHIFT) | |
| 152 | (1 << PAGE_EXEC_SHIFT) | |
152 | (1 << PAGE_EXEC_SHIFT) | |
| 153 | (p->g << PAGE_GLOBAL_SHIFT)); |
153 | (p->g << PAGE_GLOBAL_SHIFT)); |
| 154 | } |
154 | } |
| 155 | 155 | ||
| 156 | static inline void set_pt_flags(pte_t *pt, index_t i, int flags) |
156 | static inline void set_pt_flags(pte_t *pt, size_t i, int flags) |
| 157 | { |
157 | { |
| 158 | pte_t *p = &pt[i]; |
158 | pte_t *p = &pt[i]; |
| 159 | 159 | ||
| 160 | p->cacheable = (flags & PAGE_CACHEABLE) != 0; |
160 | p->cacheable = (flags & PAGE_CACHEABLE) != 0; |
| 161 | p->p = !(flags & PAGE_NOT_PRESENT); |
161 | p->p = !(flags & PAGE_NOT_PRESENT); |