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author | Paul Mundt <lethal@linux-sh.org> | 2007-11-10 19:46:31 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-28 13:18:42 +0900 |
commit | a62a3861e0adfd2612372883b5b1fc05a5182796 (patch) | |
tree | d3ff2c41f2a059173c8959f006bef770de528a0b /include/asm-sh/system_64.h | |
parent | 36bcd39dbca824daffe16d607ae574b6edc7d31a (diff) | |
download | kernel_samsung_aries-a62a3861e0adfd2612372883b5b1fc05a5182796.zip kernel_samsung_aries-a62a3861e0adfd2612372883b5b1fc05a5182796.tar.gz kernel_samsung_aries-a62a3861e0adfd2612372883b5b1fc05a5182796.tar.bz2 |
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 0000000..0e466e9 --- /dev/null +++ b/include/asm-sh/system_64.h @@ -0,0 +1,39 @@ +#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) + +/* No segmentation.. */ +#define jump_to_P2() do { } while (0) +#define back_to_P1() do { } while (0) + +#endif /* __ASM_SH_SYSTEM_64_H */ |