| pmap.c (327501) | pmap.c (327785) |
|---|---|
| 1/*- 2 * Copyright (c) 1991 Regents of the University of California. 3 * All rights reserved. 4 * Copyright (c) 1994 John S. Dyson 5 * All rights reserved. 6 * Copyright (c) 1994 David Greenman 7 * All rights reserved. 8 * Copyright (c) 2003 Peter Wemm --- 65 unchanged lines hidden (view full) --- 74 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 75 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 76 * SUCH DAMAGE. 77 */ 78 79#define AMD64_NPT_AWARE 80 81#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1991 Regents of the University of California. 3 * All rights reserved. 4 * Copyright (c) 1994 John S. Dyson 5 * All rights reserved. 6 * Copyright (c) 1994 David Greenman 7 * All rights reserved. 8 * Copyright (c) 2003 Peter Wemm --- 65 unchanged lines hidden (view full) --- 74 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 75 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 76 * SUCH DAMAGE. 77 */ 78 79#define AMD64_NPT_AWARE 80 81#include <sys/cdefs.h> |
| 82__FBSDID("$FreeBSD: stable/11/sys/amd64/amd64/pmap.c 327501 2018-01-02 20:22:31Z mjg $"); | 82__FBSDID("$FreeBSD: stable/11/sys/amd64/amd64/pmap.c 327785 2018-01-10 20:39:26Z markj $"); |
| 83 84/* 85 * Manages physical address maps. 86 * 87 * Since the information managed by this module is 88 * also stored by the logical address mapping module, 89 * this module may throw away valid virtual-to-physical 90 * mappings at almost any time. However, invalidations --- 2320 unchanged lines hidden (view full) --- 2411{ 2412 vm_page_t pml4pg; 2413 vm_paddr_t pml4phys; 2414 int i; 2415 2416 /* 2417 * allocate the page directory page 2418 */ | 83 84/* 85 * Manages physical address maps. 86 * 87 * Since the information managed by this module is 88 * also stored by the logical address mapping module, 89 * this module may throw away valid virtual-to-physical 90 * mappings at almost any time. However, invalidations --- 2320 unchanged lines hidden (view full) --- 2411{ 2412 vm_page_t pml4pg; 2413 vm_paddr_t pml4phys; 2414 int i; 2415 2416 /* 2417 * allocate the page directory page 2418 */ |
| 2419 while ((pml4pg = vm_page_alloc(NULL, 0, VM_ALLOC_NORMAL | 2420 VM_ALLOC_NOOBJ | VM_ALLOC_WIRED | VM_ALLOC_ZERO)) == NULL) 2421 VM_WAIT; | 2419 pml4pg = vm_page_alloc(NULL, 0, VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ | 2420 VM_ALLOC_WIRED | VM_ALLOC_ZERO | VM_ALLOC_WAITOK); |
| 2422 2423 pml4phys = VM_PAGE_TO_PHYS(pml4pg); 2424 pmap->pm_pml4 = (pml4_entry_t *)PHYS_TO_DMAP(pml4phys); 2425 CPU_FOREACH(i) { 2426 pmap->pm_pcids[i].pm_pcid = PMAP_PCID_NONE; 2427 pmap->pm_pcids[i].pm_gen = 0; 2428 } 2429 pmap->pm_cr3 = ~0; /* initialize to an invalid value */ --- 5113 unchanged lines hidden --- | 2421 2422 pml4phys = VM_PAGE_TO_PHYS(pml4pg); 2423 pmap->pm_pml4 = (pml4_entry_t *)PHYS_TO_DMAP(pml4phys); 2424 CPU_FOREACH(i) { 2425 pmap->pm_pcids[i].pm_pcid = PMAP_PCID_NONE; 2426 pmap->pm_pcids[i].pm_gen = 0; 2427 } 2428 pmap->pm_cr3 = ~0; /* initialize to an invalid value */ --- 5113 unchanged lines hidden --- |