Changeset 7910cff in mainline for arch/amd64/include/asm.h

Timestamp:

2005-12-11T13:31:33Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

a98d2ec

Parents:

442d0ae

Message:

Finer grained TLB invalidate functions for ia32 and amd64. Not yet deployed.

File:

• arch/amd64/include/asm.h (modified) (2 diffs)

arch/amd64/include/asm.h

@@ -33 +33 @@
 #include <config.h>
 
-
-void asm_delay_loop(__u32 t);
-void asm_fake_loop(__u32 t);
+extern void asm_delay_loop(__u32 t);
+extern void asm_fake_loop(__u32 t);
 
 /** Return base address of current stack.
@@ -229 +228 @@
 }
 
+/** Invalidate TLB Entry.
+ *
+ * @param addr Address on a page whose TLB entry is to be invalidated.
+ */
+static inline void invlpg(__address addr)
+{
+        __asm__ volatile ("invlpg %0\n" :: "m" (addr));
+}
 
 extern size_t interrupt_handler_size;