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author | Paul Mundt <lethal@linux-sh.org> | 2008-07-29 08:09:44 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-07-29 08:09:44 +0900 |
commit | f15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (patch) | |
tree | 774d7b11abaaf33561ab8268bf51ddd9ceb79025 /arch/sh/include/asm/system_64.h | |
parent | 25326277d8d1393d1c66240e6255aca780f9e3eb (diff) | |
download | kernel_samsung_smdk4412-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.tar.gz kernel_samsung_smdk4412-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.tar.bz2 kernel_samsung_smdk4412-f15cbe6f1a4b4d9df59142fc8e4abb973302cf44.zip |
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.h | 40 |
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 00000000000..943acf5ea07 --- /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 */ |