Changeset dbd1059 in mainline for arch/ia64/include

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.

Location:

arch/ia64/include

Files:

• asm.h (modified) (1 diff)
• barrier.h (modified) (1 diff)
• interrupt.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);

arch/ia64/include/barrier.h

@@ -40 +40 @@
 #define write_barrier()
 
+#define srlz_i()                __asm__ volatile (";; srlz.i ;;\n" ::: "memory")
+#define srlz_d()                __asm__ volatile (";; srlz.d ;;\n" ::: "memory")
+
 #endif

arch/ia64/include/interrupt.h

@@ +1 @@
+/*
+ * Copyright (C) 2005 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __ia64_INTERRUPT_H__
+#define __ia64_INTERRUPT_H__
+
+extern void external_interrupt(void);
+
+#endif