diff options
| author | Richard Braun <rbraun@sceen.net> | 2013-07-04 14:20:24 +0200 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2013-07-06 19:02:10 +0200 |
| commit | 1c389aca56725700cf9e99805eb90feb0b94072b (patch) | |
| tree | 22ca929244a33c5d2c699d1a8b16399b2f707de8 /vm/vm_anon.c | |
| parent | b6e66e8290ca33102714f34f66d2ed2062ba33f3 (diff) | |
page fault handling works !
Diffstat (limited to 'vm/vm_anon.c')
| -rw-r--r-- | vm/vm_anon.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/vm/vm_anon.c b/vm/vm_anon.c index e923ff31..e6d1385f 100644 --- a/vm/vm_anon.c +++ b/vm/vm_anon.c @@ -15,8 +15,9 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <kern/kmem.h> +#include <kern/error.h> #include <kern/init.h> +#include <kern/kmem.h> #include <kern/list.h> #include <kern/llsync.h> #include <kern/macros.h> @@ -27,6 +28,7 @@ #include <vm/vm_anon.h> #include <vm/vm_object.h> #include <vm/vm_page.h> +#include <vm/vm_phys.h> /* * Anonymous memory container. @@ -43,7 +45,7 @@ struct vm_anon { static void vm_anon_ref(struct vm_object *object); static void vm_anon_unref(struct vm_object *object); static int vm_anon_get(struct vm_object *object, uint64_t offset, - struct vm_page **pagep, int access_prot, int advice); + struct vm_page **pagep); static struct vm_object_pager vm_anon_pager = { .ref = vm_anon_ref, @@ -108,13 +110,19 @@ vm_anon_unref(struct vm_object *object) static int vm_anon_get(struct vm_object *object, uint64_t offset, - struct vm_page **pagep, int access_prot, int advice) + struct vm_page **pagep) { + struct vm_page *page; + + page = vm_phys_alloc(0); + + if (page == NULL) + return ERROR_NOMEM; + + /* TODO Insert page in object */ (void)object; (void)offset; - (void)pagep; - (void)access_prot; - (void)advice; - return -1; + *pagep = page; + return 0; } |