Changeset 1d79c04 in mainline

Timestamp:

2007-03-28T21:56:15Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

7e2432b

Parents:

29fc8e0

Message:

Fix TSB size.

File:

• kernel/arch/sparc64/src/mm/as.c (modified) (3 diffs)

kernel/arch/sparc64/src/mm/as.c

@@ -62 +62 @@
 {
 #ifdef CONFIG_TSB
+        /*
+         * The order must be calculated with respect to the emulated
+         * 16K page size.
+         */
         int order = fnzb32(((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) *
-                sizeof(tsb_entry_t)) >> MMU_FRAME_WIDTH);
+            sizeof(tsb_entry_t)) >> FRAME_WIDTH);
         uintptr_t tsb = (uintptr_t) frame_alloc(order, flags | FRAME_KA);
 
@@ -71 +75 @@
         as->arch.itsb = (tsb_entry_t *) tsb;
         as->arch.dtsb = (tsb_entry_t *) (tsb + ITSB_ENTRY_COUNT *
-                sizeof(tsb_entry_t));
+            sizeof(tsb_entry_t));
         memsetb((uintptr_t) as->arch.itsb,
             (ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) * sizeof(tsb_entry_t), 0);
@@ -81 +85 @@
 {
 #ifdef CONFIG_TSB
+        /*
+         * The count must be calculated with respect to the emualted 16K page
+         * size.
+         */
         count_t cnt = ((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) *
-                sizeof(tsb_entry_t)) >> MMU_FRAME_WIDTH;
+            sizeof(tsb_entry_t)) >> FRAME_WIDTH;
         frame_free(KA2PA((uintptr_t) as->arch.itsb));
         return cnt;