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authorPaul Mundt <lethal@linux-sh.org>2008-07-29 08:09:44 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-07-29 08:09:44 +0900
commitf15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (patch)
tree774d7b11abaaf33561ab8268bf51ddd9ceb79025 /arch/sh/include/asm/system_64.h
parent25326277d8d1393d1c66240e6255aca780f9e3eb (diff)
downloadop-kernel-dev-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.zip
op-kernel-dev-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.tar.gz
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>
Diffstat (limited to 'arch/sh/include/asm/system_64.h')
-rw-r--r--arch/sh/include/asm/system_64.h40
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 */
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