Changeset 4512d7e in mainline for generic/src/mm/tlb.c

Timestamp:

2006-01-19T22:17:47Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

6461d67c

Parents:

64c44e8

Message:

New ASID management subsystem (initial work, more is required).
Some TLB invalidation changes.

File:

• generic/src/mm/tlb.c (modified) (3 diffs)

generic/src/mm/tlb.c

@@ -47 +47 @@
 #ifdef CONFIG_SMP
 /* must be called with interrupts disabled */
-void tlb_shootdown_start(void)
+void tlb_shootdown_start(tlb_invalidate_type_t type, asid_t asid, __address page, count_t cnt)
 {
         int i;
@@ -53 +53 @@
         CPU->tlb_active = 0;
         spinlock_lock(&tlblock);
+        
+        /*
+         * TODO: assemble shootdown message.
+         */
         tlb_shootdown_ipi_send();
-        tlb_invalidate(0); /* TODO: use valid ASID */
+
+        switch (type) {
+            case TLB_INVL_ALL:
+                tlb_invalidate_all();
+                break;
+            case TLB_INVL_ASID:
+                tlb_invalidate_asid(asid);
+                break;
+            case TLB_INVL_PAGES:
+                tlb_invalidate_pages(asid, page, cnt);
+                break;
+            default:
+                panic("unknown tlb_invalidate_type_t value: %d\n", type);
+                break;
+        }
         
 busy_wait:      
@@ -78 +96 @@
         spinlock_lock(&tlblock);
         spinlock_unlock(&tlblock);
-        tlb_invalidate(0);      /* TODO: use valid ASID */
+        tlb_invalidate_all();   /* TODO: use valid ASID */
         CPU->tlb_active = 1;
 }