patch-2.4.10 linux/include/asm-alpha/processor.h

• Lines: 46
• Date: Mon Sep 17 15:30:14 2001
• Orig file: v2.4.9/linux/include/asm-alpha/processor.h
• Orig date: Sat Dec 30 09:35:40 2000

diff -u --recursive --new-file v2.4.9/linux/include/asm-alpha/processor.h linux/include/asm-alpha/processor.h
@@ -7,6 +7,8 @@
 #ifndef __ASM_ALPHA_PROCESSOR_H
 #define __ASM_ALPHA_PROCESSOR_H
 
+#include <linux/personality.h>	/* for ADDR_LIMIT_32BIT */
+
 /*
  * Returns current instruction pointer ("program counter").
  */
@@ -70,9 +72,6 @@
 	int bpt_nsaved;
 };
 
-#define INIT_MMAP { &init_mm, PAGE_OFFSET,  PAGE_OFFSET+0x10000000, \
-	NULL, PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, 1, NULL, NULL }
-
 #define INIT_THREAD  { \
 	0, 0, 0, \
 	0, 0, 0, \
@@ -148,5 +147,26 @@
 
 #define init_task	(init_task_union.task)
 #define init_stack	(init_task_union.stack)
+
+#define ARCH_HAS_PREFETCH
+#define ARCH_HAS_PREFETCHW
+#define ARCH_HAS_SPINLOCK_PREFETCH
+
+extern inline void prefetch(const void *ptr)  
+{ 
+	__asm__ ("ldl $31,%0" : : "m"(*(char *)ptr)); 
+}
+
+extern inline void prefetchw(const void *ptr)  
+{
+	__asm__ ("ldl $31,%0" : : "m"(*(char *)ptr)); 
+}
+
+extern inline void spin_lock_prefetch(const void *ptr)  
+{
+	__asm__ ("ldl $31,%0" : : "m"(*(char *)ptr)); 
+}
+	
+
 
 #endif /* __ASM_ALPHA_PROCESSOR_H */