Changeset 72e1d6eb in mainline for kernel/arch/abs32le/include/mm/page.h

Timestamp:

2012-07-03T19:35:41Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

bb4c9fca

Parents:

0bbd13e (diff), e943ecf (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge from lp:~jakub/helenos/mm.

File:

• kernel/arch/abs32le/include/mm/page.h (modified) (2 diffs)

kernel/arch/abs32le/include/mm/page.h

@@ -105 +105 @@
         set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x))
 
+/* Set PTE present bit accessors for each level. */
+#define SET_PTL1_PRESENT_ARCH(ptl0, i)  \
+        set_pt_present((pte_t *) (ptl0), (size_t) (i))
+#define SET_PTL2_PRESENT_ARCH(ptl1, i)
+#define SET_PTL3_PRESENT_ARCH(ptl2, i)
+#define SET_FRAME_PRESENT_ARCH(ptl3, i) \
+        set_pt_present((pte_t *) (ptl3), (size_t) (i))
+
 /* Macros for querying the last level entries. */
 #define PTE_VALID_ARCH(p) \
@@ -173 +181 @@
 }
 
+NO_TRACE static inline void set_pt_present(pte_t *pt, size_t i)
+    WRITES(ARRAY_RANGE(pt, PTL0_ENTRIES_ARCH))
+    REQUIRES_ARRAY_MUTABLE(pt, PTL0_ENTRIES_ARCH)
+{
+        pte_t *p = &pt[i];
+
+        p->present = 1;
+}
+
 extern void page_arch_init(void);
 extern void page_fault(unsigned int, istate_t *);