osfmk/i386/pmap_x86_common.c

296 	pt_entry_t	pte;
317 			if ((PT_ENTRY_NULL != ptp) && (((pte = *ptp) & INTEL_PTE_VALID) != 0)) {
318 				ppn = (ppnum_t) i386_btop(pte_to_pa(pte));
395  *	that the related pte cannot be reclaimed.
426 	pt_entry_t		*pte;
487 	 *	Expand pmap to include this pte.  Assume that
492 	 	while ((pte = pmap64_pde(pmap, vaddr)) == PD_ENTRY_NULL) {
501 		while ((pte = pmap_pte(pmap, vaddr)) == PT_ENTRY_NULL) {
518 	if (superpage && *pte && !(*pte & INTEL_PTE_PS)) {
527 		*pte = 0;
530 	old_pa = pte_to_pa(*pte);
542 		old_pa = pte_to_pa(*pte);
555 		    *pte & ~(INTEL_PTE_REF | INTEL_PTE_MOD);
600 			opte = *pte;
602 		} while (!pmap_cmpx_pte(pte, opte, npte));
632 		pmap_update_pte(pte, INTEL_PTE_VALID, 0);
636 		old_pte	= *pte;
639 		pmap_store_pte(pte, 0);
646 			if (iswired(*pte)) {
669 			if (iswired(*pte)) {
796 	pmap_store_pte(pte, template);
800 	 * to prevent pmap_page_protect et al from finding it until the pte
824 		    panic("pmap_enter: pte page not in object");
839  *	The virtual address is the va for the first pte.
843  *	entirely within one pte-page.  This is NOT checked.
844  *	Assumes that the pte-page exists.
1120 	pt_entry_t		*pte;
1175 		pte = pmap_pte(pmap, vaddr);
1177 		pmap_assert2((pa_index(pte_to_pa(*pte)) == pn),
1178 		    "pmap_page_protect: PTE mismatch, pn: 0x%x, pmap: %p, vaddr: 0x%llx, pte: 0x%llx", pn, pmap, vaddr, *pte);
1180 		if (0 == pte) {
1194 			pmap_update_pte(pte, INTEL_PTE_VALID, 0);
1197 			if (iswired(*pte)) {
1204 			    *pte & (PHYS_MODIFIED|PHYS_REFERENCED);
1205 			pmap_store_pte(pte, 0);
1240 			    *pte & (PHYS_MODIFIED|PHYS_REFERENCED);
1241 			pmap_update_pte(pte, INTEL_PTE_WRITE, 0);
1286 	pt_entry_t		*pte;
1333 			pte = pmap_pte(pmap, va);
1334 			attributes |= *pte & (PHYS_MODIFIED|PHYS_REFERENCED);
1335 			pmap_update_pte(pte, bits, 0);
1371 	pt_entry_t		*pte;
1426 			pte = pmap_pte(pmap, va);
1427 			attributes |= (int)(*pte & bits);
1453 	pt_entry_t	*pte;
1457 	if ((pte = pmap_pte(map, vaddr)) == PT_ENTRY_NULL)
1458 		panic("pmap_change_wiring: pte missing");
1460 	if (wired && !iswired(*pte)) {
1466 		pmap_update_pte(pte, 0, INTEL_PTE_WIRED);
1468 	else if (!wired && iswired(*pte)) {
1475 		pmap_update_pte(pte, INTEL_PTE_WIRED, 0);
1496 	pt_entry_t	*pte;
1521 		pte = pmap_pte(kernel_pmap, (vm_map_offset_t)virt);
1522 		if (pte == PT_ENTRY_NULL) {
1525 		pmap_store_pte(pte, template);