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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/arm/include/asmacros.h
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/*-

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 * SPDX-License-Identifier: BSD-2-Clause

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 *

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 * Copyright (c) 2012 Olivier Houchard <[email protected]>

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 * All rights reserved.

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 *

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 * Redistribution and use in source and binary forms, with or without

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 * modification, are permitted provided that the following conditions

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 * are met:

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 * 1. Redistributions of source code must retain the above copyright

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 *    notice, this list of conditions and the following disclaimer.

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 * 2. Redistributions in binary form must reproduce the above copyright

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 *    notice, this list of conditions and the following disclaimer in the

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 *    documentation and/or other materials provided with the distribution.

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 *

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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND

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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

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 * SUCH DAMAGE.

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 */

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#ifndef	_MACHINE_ASMACROS_H_

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#define	_MACHINE_ASMACROS_H_

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#include <machine/asm.h>

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#ifdef _KERNEL

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#ifdef LOCORE

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#define GET_CURTHREAD_PTR(tmp) \

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    	mrc	p15, 0, tmp, c13, c0, 4

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#define	ELFNOTE(section, type, vendor, desctype, descdata...)	  \

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	.pushsection section, "a", %note			; \

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	    .balign 4						; \

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	    .long 2f - 1f		/* namesz */		; \

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	    .long 4f - 3f		/* descsz */		; \

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	    .long type			/* type */		; \

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	    1: .asciz vendor		/* vendor name */	; \

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	    2: .balign 4					; \

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	    3:  desctype descdata	/* node */		; \

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	    4: .balign 4					; \

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	.popsection

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#endif /* LOCORE */

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#endif /* _KERNEL */

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#endif /* !_MACHINE_ASMACROS_H_ */

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