Changeset dbd1059 in mainline for arch/ia64/include/asm.h

Timestamp:

2005-11-03T12:12:47Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

0259524

Parents:

169c408

Message:

IA-64 work.
Exclude external interrupt from universal_handler() scope.

File:

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

arch/ia64/include/asm.h

@@ -48 +48 @@
 }
 
+/** Read IVR (External Interrupt Vector Register)
+ *
+ * @return Highest priority, pending, unmasked external interrupt vector.
+ */
+static inline __u8 read_ivr(void)
+{
+        __u64 v;
+        
+        __asm__ volatile ("mov %0 = cr65\n" : "=r" (v));
+        
+        return (__u8) (v & 0xf);
+}
+
 
 void cpu_sleep(void);