forked from luck/tmp_suning_uos_patched
e839ca5287
Disintegrate asm/system.h for SH. Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-sh@vger.kernel.org
36 lines
968 B
C
36 lines
968 B
C
/*
|
|
* 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.
|
|
*/
|
|
#ifndef __ASM_SH_SWITCH_TO_64_H
|
|
#define __ASM_SH_SWITCH_TO_64_H
|
|
|
|
struct thread_struct;
|
|
struct task_struct;
|
|
|
|
/*
|
|
* 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)
|
|
|
|
|
|
#endif /* __ASM_SH_SWITCH_TO_64_H */
|