diff options
Diffstat (limited to 'common/dmem.c')
| -rw-r--r-- | common/dmem.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/common/dmem.c b/common/dmem.c index 88b06fd..98b58fd 100644 --- a/common/dmem.c +++ b/common/dmem.c @@ -11,8 +11,12 @@ #include <apos/assert.h> #include <apos/dmem.h> +/** Region before RAM. */ static struct mem_region_root pre_ram = { 0 }; + +/** Region after RAM. */ static struct mem_region_root post_ram = { 0 }; + pm_t __pre_base = 0; pm_t __pre_top = 0; pm_t __post_base = 0; @@ -37,6 +41,19 @@ stat_t init_devmem(pm_t ram_base, pm_t ram_top) return OK; } +/** + * Device virtual memory worker callback for \ref map_fill_region(). + * + * @param b Virtual memory to work in. + * @param offset Hint for \ref alloc_page(). + * @param vaddr Current virtual address. + * @param flags Flags of region. + * @param order Suggested page order. + * @param data Pointer to \ref stat_t. + * @return \see alloc_uvmem_wrapper(). + * + * \see alloc_uvmem_wrapper(). + */ static stat_t dev_alloc_wrapper(struct vmem *b, pm_t *offset, vm_t vaddr, vmflags_t flags, enum mm_order order, void *data) @@ -48,6 +65,19 @@ static stat_t dev_alloc_wrapper(struct vmem *b, pm_t *offset, vm_t vaddr, return OK; } +/** + * Device virtual memory freeing worker callback for \ref map_fill_region(). + * + * @param b Virtual memory to work in. + * @param offset Hint for \ref alloc_page(). + * @param vaddr Current virtual address. + * @param flags Flags of region. + * @param order Suggested page order. + * @param data Pointer to \ref stat_t. + * @return \see alloc_uvmem_wrapper(). + * + * \see alloc_uvmem_wrapper(). + */ static stat_t dev_free_wrapper(struct vmem *b, pm_t *offset, vm_t vaddr, vmflags_t flags, enum mm_order order, void *data) { |