Changeset 48c1ef9 in mainline for arch/ppc64/src/mm/tlb.c

Timestamp:

2006-05-21T20:38:18Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

040542aa

Parents:

bd55bbb

Message:

port ppc32 changes to ppc64 (raw)

File:

• arch/ppc64/src/mm/tlb.c (moved) (moved from arch/ppc64/src/console.c ) (2 diffs)

arch/ppc64/src/mm/tlb.c

@@ -1 +1 @@
 /*
- * Copyright (C) 2005 Jakub Jermar
+ * Copyright (C) 2006 Martin Decky
  * All rights reserved.
  *
@@ -27 +27 @@
  */
 
-#include <arch/boot/boot.h>
-#include <arch/console.h>
-#include <console/chardev.h>
-#include <console/console.h>
-#include <genarch/fb/fb.h>
+#include <mm/tlb.h>
 
 
-/** Initialize console to use frame buffer. */
-void ppc64_console_init(void)
+/** Initialize Page Hash Table.
+ *
+ * Setup the Page Hash Table with no entries.
+ *
+ */
+void tlb_arch_init(void)
 {
-        /* TODO: Framebuffer mapping */
-        fb_init(0xf0000000 + (bootinfo.screen.addr & ((__address) ~0 >> 15)), bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);
+        tlb_invalidate_all();
 }
+
+
+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();
+}
+
+
+
+/** Print contents of Page Hash Table. */
+void tlb_print(void)
+{
+}