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61730c538f
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
27 lines
752 B
C
27 lines
752 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1994, 1995, 1996 by Ralf Baechle
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*/
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#ifndef _ASM_CACHECTL
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#define _ASM_CACHECTL
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/*
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* Options for cacheflush system call
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*/
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#define ICACHE (1<<0) /* flush instruction cache */
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#define DCACHE (1<<1) /* writeback and flush data cache */
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#define BCACHE (ICACHE|DCACHE) /* flush both caches */
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/*
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* Caching modes for the cachectl(2) call
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*
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* cachectl(2) is currently not supported and returns ENOSYS.
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*/
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#define CACHEABLE 0 /* make pages cacheable */
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#define UNCACHEABLE 1 /* make pages uncacheable */
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#endif /* _ASM_CACHECTL */
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