NetBSD/sys/arch/arm/include/sysarch.h

86 lines
2.7 KiB
C

/* $NetBSD: sysarch.h,v 1.12 2015/03/09 11:03:19 joerg 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.
*/
#ifndef _ARM_SYSARCH_H_
#define _ARM_SYSARCH_H_
#include <sys/cdefs.h>
/*
* Pickup definition of size_t and uintptr_t
*/
#include <machine/ansi.h>
#include <sys/stdint.h>
#ifndef _KERNEL
#include <stdbool.h>
#endif
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif
/*
* Architecture specific syscalls (arm)
*/
#define ARM_SYNC_ICACHE 0
#define ARM_DRAIN_WRITEBUF 1
#define ARM_VFP_FPSCR 2
#define ARM_FPU_USED 3
struct arm_sync_icache_args {
uintptr_t addr; /* Virtual start address */
size_t len; /* Region size */
};
struct arm_vfp_fpscr_args {
uint32_t fpscr_clear; /* bits to clear */
uint32_t fpscr_set; /* bits to set */
};
struct arm_unaligned_faults_args {
bool enabled; /* unaligned faults are enabled */
};
#ifndef _KERNEL
__BEGIN_DECLS
int arm_sync_icache(uintptr_t, size_t);
int arm_drain_writebuf(void);
int sysarch(int, void *);
__END_DECLS
#endif
#endif /* !_ARM_SYSARCH_H_ */