sh: Split out system.h in to _32 and _64 variants.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/system_64.h b/include/asm-sh/system_64.h
new file mode 100644
index 0000000..0e466e9
--- /dev/null
+++ b/include/asm-sh/system_64.h
@@ -0,0 +1,39 @@
+#ifndef __ASM_SH_SYSTEM_64_H
+#define __ASM_SH_SYSTEM_64_H
+
+/*
+ * include/asm-sh/system_64.h
+ *
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ * Copyright (C) 2003 Paul Mundt
+ * Copyright (C) 2004 Richard Curnow
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <asm/processor.h>
+
+/*
+ * switch_to() should switch tasks to task nr n, first
+ */
+struct task_struct *sh64_switch_to(struct task_struct *prev,
+ struct thread_struct *prev_thread,
+ struct task_struct *next,
+ struct thread_struct *next_thread);
+
+#define switch_to(prev,next,last) \
+do { \
+ if (last_task_used_math != next) { \
+ struct pt_regs *regs = next->thread.uregs; \
+ if (regs) regs->sr |= SR_FD; \
+ } \
+ last = sh64_switch_to(prev, &prev->thread, next, \
+ &next->thread); \
+} while (0)
+
+/* No segmentation.. */
+#define jump_to_P2() do { } while (0)
+#define back_to_P1() do { } while (0)
+
+#endif /* __ASM_SH_SYSTEM_64_H */