diff options
Diffstat (limited to 'sys/powerpc/aim/mmu_oea.c')
| -rw-r--r-- | sys/powerpc/aim/mmu_oea.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sys/powerpc/aim/mmu_oea.c b/sys/powerpc/aim/mmu_oea.c index 6a339ca..ddd22ae 100644 --- a/sys/powerpc/aim/mmu_oea.c +++ b/sys/powerpc/aim/mmu_oea.c @@ -275,6 +275,8 @@ void moea_change_wiring(mmu_t, pmap_t, vm_offset_t, boolean_t); void moea_clear_modify(mmu_t, vm_page_t); void moea_clear_reference(mmu_t, vm_page_t); void moea_copy_page(mmu_t, vm_page_t, vm_page_t); +void moea_copy_pages(mmu_t mmu, vm_page_t *ma, vm_offset_t a_offset, + vm_page_t *mb, vm_offset_t b_offset, int xfersize); void moea_enter(mmu_t, pmap_t, vm_offset_t, vm_page_t, vm_prot_t, boolean_t); void moea_enter_object(mmu_t, pmap_t, vm_offset_t, vm_offset_t, vm_page_t, vm_prot_t); @@ -320,6 +322,7 @@ static mmu_method_t moea_methods[] = { MMUMETHOD(mmu_clear_modify, moea_clear_modify), MMUMETHOD(mmu_clear_reference, moea_clear_reference), MMUMETHOD(mmu_copy_page, moea_copy_page), + MMUMETHOD(mmu_copy_pages, moea_copy_pages), MMUMETHOD(mmu_enter, moea_enter), MMUMETHOD(mmu_enter_object, moea_enter_object), MMUMETHOD(mmu_enter_quick, moea_enter_quick), @@ -1043,6 +1046,30 @@ moea_copy_page(mmu_t mmu, vm_page_t msrc, vm_page_t mdst) bcopy((void *)src, (void *)dst, PAGE_SIZE); } +void +moea_copy_pages(mmu_t mmu, vm_page_t *ma, vm_offset_t a_offset, + vm_page_t *mb, vm_offset_t b_offset, int xfersize) +{ + void *a_cp, *b_cp; + vm_offset_t a_pg_offset, b_pg_offset; + int cnt; + + while (xfersize > 0) { + a_pg_offset = a_offset & PAGE_MASK; + cnt = min(xfersize, PAGE_SIZE - a_pg_offset); + a_cp = (char *)VM_PAGE_TO_PHYS(ma[a_offset >> PAGE_SHIFT]) + + a_pg_offset; + b_pg_offset = b_offset & PAGE_MASK; + cnt = min(cnt, PAGE_SIZE - b_pg_offset); + b_cp = (char *)VM_PAGE_TO_PHYS(mb[b_offset >> PAGE_SHIFT]) + + b_pg_offset; + bcopy(a_cp, b_cp, cnt); + a_offset += cnt; + b_offset += cnt; + xfersize -= cnt; + } +} + /* * Zero a page of physical memory by temporarily mapping it into the tlb. */ |
