Changeset a33c990 in mainline for arch/ppc32/src/mm/tlb.c

Timestamp:

2006-05-20T22:51:05Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

7ca8b36b

Parents:

125e944

Message:

ppc32 work
decrementer workaround
primitive TLB support

File:

• arch/ppc32/src/mm/tlb.c (modified) (2 diffs)

arch/ppc32/src/mm/tlb.c

@@ -37 +37 @@
 void tlb_arch_init(void)
 {
-        asm volatile (
-                "tlbia\n"
-        );
+        tlb_invalidate_all();
 }
 
@@ -45 +43 @@
 void tlb_invalidate_all(void)
 {
+        asm volatile (
+                "tlbia\n"
+                "tlbsync\n"
+        );
 }
+
+
+/** Invalidate all entries in TLB that belong to specified address space.
+ *
+ * @param asid This parameter is ignored as the architecture doesn't support it.
+ */
+void tlb_invalidate_asid(asid_t asid)
+{
+        tlb_invalidate_all();
+}
+
+/** Invalidate TLB entries for specified page range belonging to specified address space.
+ *
+ * @param asid This parameter is ignored as the architecture doesn't support it.
+ * @param page Address of the first page whose entry is to be invalidated.
+ * @param cnt Number of entries to invalidate.
+ */
+void tlb_invalidate_pages(asid_t asid, __address page, count_t cnt)
+{
+        tlb_invalidate_all();
+}
+