diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/amd64/amd64/pmap.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/arch/amd64/amd64/pmap.c b/sys/arch/amd64/amd64/pmap.c index 0bdf3b7..5b0d046 100644 --- a/sys/arch/amd64/amd64/pmap.c +++ b/sys/arch/amd64/amd64/pmap.c @@ -178,14 +178,15 @@ done: * @vas: Virtual address space. * @va: Target virtual address. * @val: Value to write. + * @alloc: True to alloc new paging entries. */ static int -pmap_update_tbl(struct vas vas, vaddr_t va, uint64_t val) +pmap_update_tbl(struct vas vas, vaddr_t va, uint64_t val, bool alloc) { uintptr_t *tbl; int status; - if ((status = pmap_get_tbl(vas, va, true, &tbl)) != 0) { + if ((status = pmap_get_tbl(vas, va, alloc, &tbl)) != 0) { return status; } @@ -268,13 +269,13 @@ pmap_map(struct vas vas, vaddr_t va, paddr_t pa, vm_prot_t prot) { uint32_t flags = pmap_prot_to_pte(prot); - return pmap_update_tbl(vas, va, (pa | flags)); + return pmap_update_tbl(vas, va, (pa | flags), true); } int pmap_unmap(struct vas vas, vaddr_t va) { - return pmap_update_tbl(vas, va, 0); + return pmap_update_tbl(vas, va, 0, false); } int |