Changeset f6b84f7 in mainline

Timestamp:

2012-01-15T20:51:21Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a538808

Parents:

8356e59

Message:

Streamline allocation of the frame for the exception vectors.

File:

• kernel/arch/arm32/src/mm/page.c (modified) (1 diff)

kernel/arch/arm32/src/mm/page.c

@@ -65 +65 @@
                 page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags);
         
+#ifdef HIGH_EXCEPTION_VECTORS
         /* Create mapping for exception table at high offset */
-#ifdef HIGH_EXCEPTION_VECTORS
-        // XXX: fixme to use proper non-identity page
-        void *virtaddr = frame_alloc(ONE_FRAME, FRAME_KA);
-        page_mapping_insert(AS_KERNEL, EXC_BASE_ADDRESS, KA2PA(virtaddr),
-            flags);
+        uintptr_t ev_frame = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_NONE);
+        page_mapping_insert(AS_KERNEL, EXC_BASE_ADDRESS, ev_frame, flags);
 #else
 #error "Only high exception vector supported now"