Changeset 7cb53f62 in mainline for arch/sparc64/include/asm.h

Timestamp:

2006-02-26T12:02:25Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

4767721

Parents:

7a255e69

Message:

sparc64 work.
Switch console to framebuffer (needs proper detection and initialization).
No native keyboard support, so far.
Memory management trap handler fixes.
Do not use OpenFirmware trap table anymore.

File:

• arch/sparc64/include/asm.h (modified) (1 diff)

arch/sparc64/include/asm.h

@@ -250 +250 @@
 }
 
+/** Read Trap Level register.
+ *
+ * @return Current value in TL.
+ */
+static inline __u64 tl_read(void)
+{
+        __u64 v;
+        
+        __asm__ volatile ("rdpr %%tl, %0\n" : "=r" (v));
+        
+        return v;
+}
 
 /** Write Trap Base Address register.