aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-sh/system_64.h
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2007-11-10 05:46:31 -0500
committerPaul Mundt <lethal@linux-sh.org>2008-01-27 23:18:42 -0500
commita62a3861e0adfd2612372883b5b1fc05a5182796 (patch)
treed3ff2c41f2a059173c8959f006bef770de528a0b /include/asm-sh/system_64.h
parent36bcd39dbca824daffe16d607ae574b6edc7d31a (diff)
sh: Split out system.h in to _32 and _64 variants.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh/system_64.h')
-rw-r--r--include/asm-sh/system_64.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/asm-sh/system_64.h b/include/asm-sh/system_64.h
new file mode 100644
index 000000000000..0e466e991f7d
--- /dev/null
+++ b/include/asm-sh/system_64.h
@@ -0,0 +1,39 @@
1#ifndef __ASM_SH_SYSTEM_64_H
2#define __ASM_SH_SYSTEM_64_H
3
4/*
5 * include/asm-sh/system_64.h
6 *
7 * Copyright (C) 2000, 2001 Paolo Alberelli
8 * Copyright (C) 2003 Paul Mundt
9 * Copyright (C) 2004 Richard Curnow
10 *
11 * This file is subject to the terms and conditions of the GNU General Public
12 * License. See the file "COPYING" in the main directory of this archive
13 * for more details.
14 */
15#include <asm/processor.h>
16
17/*
18 * switch_to() should switch tasks to task nr n, first
19 */
20struct task_struct *sh64_switch_to(struct task_struct *prev,
21 struct thread_struct *prev_thread,
22 struct task_struct *next,
23 struct thread_struct *next_thread);
24
25#define switch_to(prev,next,last) \
26do { \
27 if (last_task_used_math != next) { \
28 struct pt_regs *regs = next->thread.uregs; \
29 if (regs) regs->sr |= SR_FD; \
30 } \
31 last = sh64_switch_to(prev, &prev->thread, next, \
32 &next->thread); \
33} while (0)
34
35/* No segmentation.. */
36#define jump_to_P2() do { } while (0)
37#define back_to_P1() do { } while (0)
38
39#endif /* __ASM_SH_SYSTEM_64_H */