Changeset 0d8269b in mainline for kernel/arch/ppc32/include/mm/page.h

Timestamp:

2012-07-01T22:19:49Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

609a417

Parents:

9432f08

Message:

Add macros for setting the present bit in PTEs separately.

File:

• kernel/arch/ppc32/include/mm/page.h (modified) (2 diffs)

kernel/arch/ppc32/include/mm/page.h

@@ -128 +128 @@
 #define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \
         set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x))
+
+/* Set PTE present 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 PTEs. */
@@ -175 +185 @@
 }
 
+NO_TRACE static inline void set_pt_present(pte_t *pt, size_t i)
+{
+        pte_t *entry = &pt[i];
+
+        entry->present = 1;
+}
+
 extern void page_arch_init(void);