diff options
Diffstat (limited to 'src/kernel/memory')
-rw-r--r-- | src/kernel/memory/paging.c | 6 | ||||
-rw-r--r-- | src/kernel/memory/paging.h | 2 |
2 files changed, 5 insertions, 3 deletions
diff --git a/src/kernel/memory/paging.c b/src/kernel/memory/paging.c index ad19091..861cdcb 100644 --- a/src/kernel/memory/paging.c +++ b/src/kernel/memory/paging.c @@ -20,7 +20,7 @@ extern void copy_page_physical(); #define INDEX_FROM_BIT(a) (a/(8*4)) #define OFFSET_FROM_BIT(a) (a%(8*4)) -static void paging_set_frame(uint32_t frame_addr) +void paging_set_frame(uint32_t frame_addr) { uint32_t frame = frame_addr / 0x1000; uint32_t idx = INDEX_FROM_BIT(frame); @@ -28,7 +28,7 @@ static void paging_set_frame(uint32_t frame_addr) frames[idx] |= (0x1 << off); } -static void paging_clear_frame(uint32_t frame_addr) +void paging_clear_frame(uint32_t frame_addr) { uint32_t frame = frame_addr / 0x1000; uint32_t idx = INDEX_FROM_BIT(frame); @@ -36,7 +36,7 @@ static void paging_clear_frame(uint32_t frame_addr) frames[idx] &= ~(0x1 << off); } -static uint32_t paging_first_frame() +uint32_t paging_first_frame() { uint32_t i, j; for (i = 0; i < INDEX_FROM_BIT(nframes); i++) { diff --git a/src/kernel/memory/paging.h b/src/kernel/memory/paging.h index bb6ee4f..77258b7 100644 --- a/src/kernel/memory/paging.h +++ b/src/kernel/memory/paging.h @@ -26,6 +26,8 @@ typedef struct page_directory { int paging_enabled; +void paging_set_frame(uint32_t frame_addr); + void paging_alloc_frame(page_t *page, int is_kernel, int is_writeable); void paging_free_frame(page_t *page); |