freebsd-dev/sys/arm/include/asmacros.h
Ian Lepore 0da5fed4eb Remove the unreferenced DATA() macro. That leaves only GET_CURTHREAD_PTR()
which was added by cognet in 2012, so remove the no-longer-applicable
license stuff that referred to all the old contents, and put in a
standard 2-clause BSD license (to cover the 6 lines of useful code left
in here).
2014-03-11 22:41:34 +00:00

53 lines
1.8 KiB
C

/*-
* Copyright (c) 2012 Olivier Houchard <cognet@FreeBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE 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 _MACHINE_ASMACROS_H_
#define _MACHINE_ASMACROS_H_
#include <machine/asm.h>
#ifdef _KERNEL
#ifdef LOCORE
#include "opt_global.h"
#ifdef _ARM_ARCH_6
#define GET_CURTHREAD_PTR(tmp) \
mrc p15, 0, tmp, c13, c0, 4
#else
#define GET_CURTHREAD_PTR(tmp) \
ldr tmp, =_C_LABEL(__pcpu);\
ldr tmp, [tmp, #PC_CURTHREAD]
#endif
#endif /* LOCORE */
#endif /* _KERNEL */
#endif /* !_MACHINE_ASMACROS_H_ */