diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-11-10 05:46:31 -0500 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-27 23:18:42 -0500 |
commit | a62a3861e0adfd2612372883b5b1fc05a5182796 (patch) | |
tree | d3ff2c41f2a059173c8959f006bef770de528a0b /include/asm-sh/system_64.h | |
parent | 36bcd39dbca824daffe16d607ae574b6edc7d31a (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.h | 39 |
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 | */ | ||
20 | struct 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) \ | ||
26 | do { \ | ||
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 */ | ||