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head/sys/arm64/arm64/pmap.c
| Show First 20 Lines • Show All 3,355 Lines • ▼ Show 20 Lines | havel3: | ||||
| if ((m->oflags & VPO_UNMANAGED) == 0) { | if ((m->oflags & VPO_UNMANAGED) == 0) { | ||||
| if (pv == NULL) { | if (pv == NULL) { | ||||
| pv = get_pv_entry(pmap, &lock); | pv = get_pv_entry(pmap, &lock); | ||||
| pv->pv_va = va; | pv->pv_va = va; | ||||
| } | } | ||||
| CHANGE_PV_LIST_LOCK_TO_PHYS(&lock, pa); | CHANGE_PV_LIST_LOCK_TO_PHYS(&lock, pa); | ||||
| TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next); | TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_next); | ||||
| m->md.pv_gen++; | m->md.pv_gen++; | ||||
| if ((new_l3 & ATTR_AP_RW_BIT) == ATTR_AP(ATTR_AP_RW)) | if ((new_l3 & ATTR_SW_DBM) != 0) | ||||
| vm_page_aflag_set(m, PGA_WRITEABLE); | vm_page_aflag_set(m, PGA_WRITEABLE); | ||||
| } | } | ||||
| validate: | validate: | ||||
| /* | /* | ||||
| * Sync icache if exec permission and attribute VM_MEMATTR_WRITE_BACK | * Sync icache if exec permission and attribute VM_MEMATTR_WRITE_BACK | ||||
| * is set. Do it now, before the mapping is stored and made | * is set. Do it now, before the mapping is stored and made | ||||
| * valid for hardware table walk. If done later, then other can | * valid for hardware table walk. If done later, then other can | ||||
| ▲ Show 20 Lines • Show All 176 Lines • ▼ Show 20 Lines | if (!pmap_pv_insert_l2(pmap, va, new_l2, flags, lockp)) { | ||||
| pmap_invalidate_page(pmap, va); | pmap_invalidate_page(pmap, va); | ||||
| vm_page_free_pages_toq(&free, true); | vm_page_free_pages_toq(&free, true); | ||||
| } | } | ||||
| CTR2(KTR_PMAP, | CTR2(KTR_PMAP, | ||||
| "pmap_enter_l2: failure for va %#lx in pmap %p", | "pmap_enter_l2: failure for va %#lx in pmap %p", | ||||
| va, pmap); | va, pmap); | ||||
| return (KERN_RESOURCE_SHORTAGE); | return (KERN_RESOURCE_SHORTAGE); | ||||
| } | } | ||||
| if ((new_l2 & ATTR_AP_RW_BIT) == ATTR_AP(ATTR_AP_RW)) | if ((new_l2 & ATTR_SW_DBM) != 0) | ||||
| for (mt = m; mt < &m[L2_SIZE / PAGE_SIZE]; mt++) | for (mt = m; mt < &m[L2_SIZE / PAGE_SIZE]; mt++) | ||||
| vm_page_aflag_set(mt, PGA_WRITEABLE); | vm_page_aflag_set(mt, PGA_WRITEABLE); | ||||
| } | } | ||||
| /* | /* | ||||
| * Increment counters. | * Increment counters. | ||||
| */ | */ | ||||
| if ((new_l2 & ATTR_SW_WIRED) != 0) | if ((new_l2 & ATTR_SW_WIRED) != 0) | ||||
| ▲ Show 20 Lines • Show All 2,267 Lines • Show Last 20 Lines | |||||