diff options
Diffstat (limited to 'sys/powerpc/aim/mmu_oea64.c')
| -rw-r--r-- | sys/powerpc/aim/mmu_oea64.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/powerpc/aim/mmu_oea64.c b/sys/powerpc/aim/mmu_oea64.c index 5e74a13..cfb822e 100644 --- a/sys/powerpc/aim/mmu_oea64.c +++ b/sys/powerpc/aim/mmu_oea64.c @@ -400,6 +400,7 @@ vm_paddr_t moea64_extract(mmu_t, pmap_t, vm_offset_t); vm_page_t moea64_extract_and_hold(mmu_t, pmap_t, vm_offset_t, vm_prot_t); void moea64_init(mmu_t); boolean_t moea64_is_modified(mmu_t, vm_page_t); +boolean_t moea64_is_prefaultable(mmu_t, pmap_t, vm_offset_t); boolean_t moea64_is_referenced(mmu_t, vm_page_t); boolean_t moea64_ts_referenced(mmu_t, vm_page_t); vm_offset_t moea64_map(mmu_t, vm_offset_t *, vm_offset_t, vm_offset_t, int); @@ -441,6 +442,7 @@ static mmu_method_t moea64_methods[] = { MMUMETHOD(mmu_extract_and_hold, moea64_extract_and_hold), MMUMETHOD(mmu_init, moea64_init), MMUMETHOD(mmu_is_modified, moea64_is_modified), + MMUMETHOD(mmu_is_prefaultable, moea64_is_prefaultable), MMUMETHOD(mmu_is_referenced, moea64_is_referenced), MMUMETHOD(mmu_ts_referenced, moea64_ts_referenced), MMUMETHOD(mmu_map, moea64_map), @@ -1786,6 +1788,19 @@ moea64_is_modified(mmu_t mmu, vm_page_t m) return (moea64_query_bit(m, LPTE_CHG)); } +boolean_t +moea64_is_prefaultable(mmu_t mmu, pmap_t pmap, vm_offset_t va) +{ + struct pvo_entry *pvo; + boolean_t rv; + + PMAP_LOCK(pmap); + pvo = moea64_pvo_find_va(pmap, va & ~ADDR_POFF); + rv = pvo == NULL || (pvo->pvo_pte.lpte.pte_hi & LPTE_VALID) == 0; + PMAP_UNLOCK(pmap); + return (rv); +} + void moea64_clear_reference(mmu_t mmu, vm_page_t m) { |
