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ae47394658
Disintegrate asm/system.h for AVR32. This has not been compiled at all. Signed-off-by: David Howells <dhowells@redhat.com> cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/*
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* Copyright (C) 2004-2006 Atmel Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_AVR32_SWITCH_TO_H
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#define __ASM_AVR32_SWITCH_TO_H
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/*
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* Help PathFinder and other Nexus-compliant debuggers keep track of
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* the current PID by emitting an Ownership Trace Message each time we
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* switch task.
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*/
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#ifdef CONFIG_OWNERSHIP_TRACE
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#include <asm/ocd.h>
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#define finish_arch_switch(prev) \
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do { \
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ocd_write(PID, prev->pid); \
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ocd_write(PID, current->pid); \
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} while(0)
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#endif
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/*
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* switch_to(prev, next, last) should switch from task `prev' to task
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* `next'. `prev' will never be the same as `next'.
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*
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* We just delegate everything to the __switch_to assembly function,
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* which is implemented in arch/avr32/kernel/switch_to.S
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*
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* mb() tells GCC not to cache `current' across this call.
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*/
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struct cpu_context;
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struct task_struct;
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extern struct task_struct *__switch_to(struct task_struct *,
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struct cpu_context *,
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struct cpu_context *);
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#define switch_to(prev, next, last) \
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do { \
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last = __switch_to(prev, &prev->thread.cpu_context + 1, \
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&next->thread.cpu_context); \
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} while (0)
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#endif /* __ASM_AVR32_SWITCH_TO_H */
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