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author | cognet <cognet@FreeBSD.org> | 2004-09-23 21:56:01 +0000 |
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committer | cognet <cognet@FreeBSD.org> | 2004-09-23 21:56:01 +0000 |
commit | 7dea9853065402ecce5f90e87f82c48681dff709 (patch) | |
tree | 8cae539484cbbc5d2e2900b8d425ccb081d20bb4 /sys/arm/include/sysarch.h | |
parent | 639630ead726f5222ab57c8eec28eded349ed6e5 (diff) | |
download | FreeBSD-src-7dea9853065402ecce5f90e87f82c48681dff709.zip FreeBSD-src-7dea9853065402ecce5f90e87f82c48681dff709.tar.gz |
Add MD syscalls to sync the icache and to drain the write buffer.
Obtained from: NetBSD
Diffstat (limited to 'sys/arm/include/sysarch.h')
-rw-r--r-- | sys/arm/include/sysarch.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/sys/arm/include/sysarch.h b/sys/arm/include/sysarch.h new file mode 100644 index 0000000..8ff3f18 --- /dev/null +++ b/sys/arm/include/sysarch.h @@ -0,0 +1,66 @@ +/* $NetBSD: sysarch.h,v 1.5 2003/09/11 09:40:12 kleink Exp $ */ + +/* + * Copyright (c) 1996-1997 Mark Brinicombe. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Mark Brinicombe. + * 4. The name of the company nor the name of the author may be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $FreeBSD$ */ + +#ifndef _ARM_SYSARCH_H_ +#define _ARM_SYSARCH_H_ + +#include <sys/cdefs.h> + +/* + * Pickup definition of uintptr_t + */ +#include <sys/stdint.h> + +/* + * Architecture specific syscalls (arm) + */ + +#define ARM_SYNC_ICACHE 0 +#define ARM_DRAIN_WRITEBUF 1 + +struct arm_sync_icache_args { + uintptr_t addr; /* Virtual start address */ + size_t len; /* Region size */ +}; + +#ifndef _KERNEL +__BEGIN_DECLS +int arm_sync_icache (u_int addr, int len); +int arm_drain_writebuf (void); +__END_DECLS +#endif + +#endif /* !_ARM_SYSARCH_H_ */ |