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sys/amd64/amd64/efirt_machdep.c
| Show First 20 Lines • Show All 78 Lines • ▼ Show 20 Lines | if (obj_1t1_pt != NULL) { | ||||
| vm_object_deallocate(obj_1t1_pt); | vm_object_deallocate(obj_1t1_pt); | ||||
| } | } | ||||
| obj_1t1_pt = NULL; | obj_1t1_pt = NULL; | ||||
| efi_pml4 = NULL; | efi_pml4 = NULL; | ||||
| efi_pml4_page = NULL; | efi_pml4_page = NULL; | ||||
| } | } | ||||
| /* | |||||
| * Map a physical address from EFI runtime space into KVA space. Returns 0 to | |||||
| * indicate a failed mapping so that the caller may handle error. | |||||
| */ | |||||
| vm_offset_t | |||||
| efi_phys_to_kva(vm_paddr_t paddr) | |||||
| { | |||||
| if (paddr >= dmaplimit) | |||||
| return (0); | |||||
| return (PHYS_TO_DMAP(paddr)); | |||||
| } | |||||
| static vm_page_t | static vm_page_t | ||||
| efi_1t1_page(void) | efi_1t1_page(void) | ||||
| { | { | ||||
| return (vm_page_grab(obj_1t1_pt, efi_1t1_idx++, VM_ALLOC_NOBUSY | | return (vm_page_grab(obj_1t1_pt, efi_1t1_idx++, VM_ALLOC_NOBUSY | | ||||
| VM_ALLOC_WIRED | VM_ALLOC_ZERO)); | VM_ALLOC_WIRED | VM_ALLOC_ZERO)); | ||||
| } | } | ||||
| ▲ Show 20 Lines • Show All 219 Lines • Show Last 20 Lines | |||||