Changeset 2c8a70a in mainline

Timestamp:

2006-06-20T17:29:45Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

a832dd7

Parents:

cc73a8a1

Message:

remove ASIDs from Page Hash Table

File:

• arch/ppc32/src/mm/tlb.c (modified) (1 diff)

arch/ppc32/src/mm/tlb.c

@@ -365 +365 @@
 void tlb_invalidate_asid(asid_t asid)
 {
-        // TODO
+        __u32 sdr1;
+        asm volatile (
+                "mfsdr1 %0\n"
+                : "=r" (sdr1)
+        );
+        phte_t *phte = (phte_t *) PA2KA(sdr1 & 0xffff0000);
+        
+        __u32 i;
+        for (i = 0; i < 8192; i++) {
+                if ((phte[i].v) && (phte[i].vsid >= (asid << 4)) && (phte[i].vsid < ((asid << 4) + 16)))
+                        phte[i].v = 0;
+        }
         tlb_invalidate_all();
 }