patch-2.1.80 linux/include/asm-arm/system.h

• Lines: 34
• Date: Tue Jan 20 16:39:43 1998
• Orig file: v2.1.79/linux/include/asm-arm/system.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.79/linux/include/asm-arm/system.h linux/include/asm-arm/system.h
@@ -0,0 +1,33 @@
+#ifndef __ASM_ARM_SYSTEM_H
+#define __ASM_ARM_SYSTEM_H
+
+#include <linux/kernel.h>
+#include <asm/proc-fns.h>
+
+extern void arm_malalignedptr(const char *, void *, volatile void *);
+extern void arm_invalidptr(const char *, int);
+
+#define xchg(ptr,x) \
+	((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
+
+#define tas(ptr) (xchg((ptr),1))
+
+/*
+ * switch_to(prev, next) should switch from task `prev' to `next'
+ * `prev' will never be the same as `next'.
+ *
+ * `next' and `prev' should be struct task_struct, but it isn't always defined
+ */
+#define switch_to(prev,next) processor._switch_to(prev,next)
+
+/*
+ * Include processor dependent parts
+ */
+#include <asm/proc/system.h>
+#include <asm/arch/system.h>
+
+#define mb() __asm__ __volatile__ ("" : : : "memory")
+#define nop() __asm__ __volatile__("mov r0,r0\n\t");
+
+#endif
+