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| author | Alex Auvolat <alex@adnab.me> | 2015-03-09 13:35:45 +0100 |
|---|---|---|
| committer | Alex Auvolat <alex@adnab.me> | 2015-03-09 13:35:45 +0100 |
| commit | a9a2ea9125f89347e0aa038a136ebd43e6b251b4 (patch) | |
| tree | a2ef4b04803a6ce9689d472f7ee26ed477a376a0 /src/kernel/include/sys.h | |
| parent | 8c1f280c1bc948a20e244b32d824780b08bf85c9 (diff) | |
| download | kogata-a9a2ea9125f89347e0aa038a136ebd43e6b251b4.tar.gz kogata-a9a2ea9125f89347e0aa038a136ebd43e6b251b4.zip | |
Add pager interface ; implement basic functionnality to replace private maps.
Diffstat (limited to 'src/kernel/include/sys.h')
| -rw-r--r-- | src/kernel/include/sys.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/kernel/include/sys.h b/src/kernel/include/sys.h index 944df96..61bfc59 100644 --- a/src/kernel/include/sys.h +++ b/src/kernel/include/sys.h @@ -75,9 +75,10 @@ static inline void invlpg(void* addr) { #define PAGE_SIZE 0x1000 #define PAGE_MASK 0xFFFFF000 -#define PAGE_ALIGN_DOWN(x) (((size_t)x) & PAGE_MASK) -#define PAGE_ALIGN_UP(x) ((((size_t)x)&(~PAGE_MASK)) == 0 ? ((size_t)x) : (((size_t)x) & PAGE_MASK) + PAGE_SIZE) -#define PAGE_ID(x) (((size_t)x) / PAGE_SIZE) +#define PAGE_ALIGNED(x) ((((size_t)(x)) & (~PAGE_MASK)) == 0) +#define PAGE_ALIGN_DOWN(x) (((size_t)(x)) & PAGE_MASK) +#define PAGE_ALIGN_UP(x) ((((size_t)(x))&(~PAGE_MASK)) == 0 ? ((size_t)x) : (((size_t)x) & PAGE_MASK) + PAGE_SIZE) +#define PAGE_ID(x) (((size_t)(x)) / PAGE_SIZE) #define PAGE_SHIFT 12 #define PT_SHIFT 10 // PAGE_SHIFT + PT_SHIFT + PT_SHIFT = 32 |