| 32,7 → 32,8 |
|---|
| |
| /** |
| * @file |
| * @brief Backend for address space areas backed by continuous physical memory. |
| * @brief Backend for address space areas backed by continuous physical |
| * memory. |
| */ |
| |
| #include <debug.h> |
| 62,7 → 63,8 |
|---|
| * @param addr Faulting virtual address. |
| * @param access Access mode that caused the fault (i.e. read/write/exec). |
| * |
| * @return AS_PF_FAULT on failure (i.e. page fault) or AS_PF_OK on success (i.e. serviced). |
| * @return AS_PF_FAULT on failure (i.e. page fault) or AS_PF_OK on success (i.e. |
| * serviced). |
| */ |
| int phys_page_fault(as_area_t *area, uintptr_t addr, pf_access_t access) |
| { |
| 72,7 → 74,8 |
|---|
| return AS_PF_FAULT; |
| |
| ASSERT(addr - area->base < area->backend_data.frames * FRAME_SIZE); |
| page_mapping_insert(AS, addr, base + (addr - area->base), as_area_get_flags(area)); |
| page_mapping_insert(AS, addr, base + (addr - area->base), |
| as_area_get_flags(area)); |
| if (!used_space_insert(area, ALIGN_DOWN(addr, PAGE_SIZE), 1)) |
| panic("Could not insert used space.\n"); |
| |