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| Rev 1787 | Rev 1854 | ||
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| Line 25... | Line 25... | ||
| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
28 | */ |
| 29 | 29 | ||
| 30 | /** @addtogroup genericmm |
30 | /** @addtogroup genericmm |
| 31 | * @{ |
31 | * @{ |
| 32 | */ |
32 | */ |
| 33 | /** @file |
33 | /** @file |
| 34 | */ |
34 | */ |
| 35 | 35 | ||
| 36 | #ifndef __FRAME_H__ |
36 | #ifndef KERN_FRAME_H_ |
| 37 | #define __FRAME_H__ |
37 | #define KERN_FRAME_H_ |
| 38 | 38 | ||
| 39 | #include <arch/types.h> |
39 | #include <arch/types.h> |
| 40 | #include <typedefs.h> |
40 | #include <typedefs.h> |
| 41 | #include <adt/list.h> |
41 | #include <adt/list.h> |
| 42 | #include <synch/spinlock.h> |
42 | #include <synch/spinlock.h> |
| Line 59... | Line 59... | ||
| 59 | 59 | ||
| 60 | #define FRAME_KA 0x1 /* skip frames conflicting with user address space */ |
60 | #define FRAME_KA 0x1 /* skip frames conflicting with user address space */ |
| 61 | #define FRAME_ATOMIC 0x2 /* do not panic and do not sleep on failure */ |
61 | #define FRAME_ATOMIC 0x2 /* do not panic and do not sleep on failure */ |
| 62 | #define FRAME_NO_RECLAIM 0x4 /* do not start reclaiming when no free memory */ |
62 | #define FRAME_NO_RECLAIM 0x4 /* do not start reclaiming when no free memory */ |
| 63 | 63 | ||
| 64 | #define FRAME_OK 0 /* frame_alloc return status */ |
- | |
| 65 | #define FRAME_NO_MEMORY 1 /* frame_alloc return status */ |
- | |
| 66 | #define FRAME_ERROR 2 /* frame_alloc return status */ |
- | |
| 67 | - | ||
| 68 | static inline uintptr_t PFN2ADDR(pfn_t frame) |
64 | static inline uintptr_t PFN2ADDR(pfn_t frame) |
| 69 | { |
65 | { |
| 70 | return (uintptr_t)(frame << FRAME_WIDTH); |
66 | return (uintptr_t)(frame << FRAME_WIDTH); |
| 71 | } |
67 | } |
| 72 | 68 | ||
| Line 86... | Line 82... | ||
| 86 | #define IS_BUDDY_LEFT_BLOCK(zone, frame) (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
82 | #define IS_BUDDY_LEFT_BLOCK(zone, frame) (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
| 87 | #define IS_BUDDY_RIGHT_BLOCK(zone, frame) (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
83 | #define IS_BUDDY_RIGHT_BLOCK(zone, frame) (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
| 88 | #define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
84 | #define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
| 89 | #define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
85 | #define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
| 90 | 86 | ||
| 91 | #define frame_alloc(order, flags) frame_alloc_generic(order, flags, NULL) |
87 | #define frame_alloc(order, flags) frame_alloc_generic(order, flags, NULL) |
| 92 | 88 | ||
| 93 | extern void frame_init(void); |
89 | extern void frame_init(void); |
| 94 | extern void * frame_alloc_generic(uint8_t order, int flags, int *pzone); |
90 | extern void * frame_alloc_generic(uint8_t order, int flags, int *pzone); |
| 95 | extern void frame_free(uintptr_t frame); |
91 | extern void frame_free(uintptr_t frame); |
| 96 | extern void frame_reference_add(pfn_t pfn); |
92 | extern void frame_reference_add(pfn_t pfn); |
| Line 109... | Line 105... | ||
| 109 | extern void zone_print_list(void); |
105 | extern void zone_print_list(void); |
| 110 | void zone_print_one(int znum); |
106 | void zone_print_one(int znum); |
| 111 | 107 | ||
| 112 | #endif |
108 | #endif |
| 113 | 109 | ||
| 114 | /** @} |
110 | /** @} |
| 115 | */ |
111 | */ |
| 116 | - | ||