sh: migrate to arch/sh/include/

This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac.

Most of the moving about was done with Sam's directions at:

http://marc.info/?l=linux-sh&m=121724823706062&w=2

with subsequent hacking and fixups entirely my fault.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h
new file mode 100644
index 0000000..943acf5
--- /dev/null
+++ b/arch/sh/include/asm/system_64.h
@@ -0,0 +1,40 @@
+#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)
+
+#define __uses_jump_to_uncached
+
+#define jump_to_uncached()	do { } while (0)
+#define back_to_cached()	do { } while (0)
+
+#endif /* __ASM_SH_SYSTEM_64_H */