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sys/powerpc/aim/mmu_oea64.c
| Show First 20 Lines • Show All 1,556 Lines • ▼ Show 20 Lines | moea64_extract_and_hold(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_prot_t prot) | ||||
| PMAP_LOCK(pmap); | PMAP_LOCK(pmap); | ||||
| retry: | retry: | ||||
| pvo = moea64_pvo_find_va(pmap, va & ~ADDR_POFF); | pvo = moea64_pvo_find_va(pmap, va & ~ADDR_POFF); | ||||
| if (pvo != NULL && (pvo->pvo_pte.prot & prot) == prot) { | if (pvo != NULL && (pvo->pvo_pte.prot & prot) == prot) { | ||||
| if (vm_page_pa_tryrelock(pmap, | if (vm_page_pa_tryrelock(pmap, | ||||
| pvo->pvo_pte.pa & LPTE_RPGN, &pa)) | pvo->pvo_pte.pa & LPTE_RPGN, &pa)) | ||||
| goto retry; | goto retry; | ||||
| m = PHYS_TO_VM_PAGE(pvo->pvo_pte.pa & LPTE_RPGN); | m = PHYS_TO_VM_PAGE(pvo->pvo_pte.pa & LPTE_RPGN); | ||||
| vm_page_hold(m); | vm_page_wire(m); | ||||
| } | } | ||||
| PA_UNLOCK_COND(pa); | PA_UNLOCK_COND(pa); | ||||
| PMAP_UNLOCK(pmap); | PMAP_UNLOCK(pmap); | ||||
| return (m); | return (m); | ||||
| } | } | ||||
| static mmu_t installed_mmu; | static mmu_t installed_mmu; | ||||
| ▲ Show 20 Lines • Show All 1,319 Lines • Show Last 20 Lines | |||||