Changeset 05d9dd89 in mainline for arch/ia64/include/asm.h

Timestamp:

2005-11-03T21:55:52Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

dd118f0

Parents:

0259524

Message:

ia64 work.
Fix definition of u32.
Add more register manipulation functions.
Add unions describing bit-structured registers.
Distinguish between timer, unhandled and spurious external interrupts.
Initialize interval timer to generate first timer interrupt.

File:

• arch/ia64/include/asm.h (modified) (1 diff)

arch/ia64/include/asm.h

@@ -93 +93 @@
 }
 
+/** Read ITV (Interval Timer Vector) register.
+ *
+ * @return Current vector and mask bit.
+ */
+static inline __u64 itv_read(void)
+{
+        __u64 v;
+        
+        __asm__ volatile ("mov %0 = cr.itv\n" : "=r" (v));
+        
+        return v;
+}
+
 /** Write ITV (Interval Timer Vector) register.
  *
- * @param New vector and masked bit.
+ * @param New vector and mask bit.
  */
 static inline void itv_write(__u64 v)