Changeset View
Changeset View
Standalone View
Standalone View
sys/arm64/include/pcpu.h
- This file was added.
/*- | |||||
* Copyright (c) 1999 Luoqi Chen <luoqi@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. | |||||
* | |||||
* from: FreeBSD: src/sys/i386/include/globaldata.h,v 1.27 2001/04/27 | |||||
* $FreeBSD$ | |||||
*/ | |||||
#ifndef _MACHINE_PCPU_H_ | |||||
#define _MACHINE_PCPU_H_ | |||||
#include <machine/cpu.h> | |||||
#include <machine/cpufunc.h> | |||||
#define ALT_STACK_SIZE 128 | |||||
#define PCPU_MD_FIELDS \ | |||||
char __pad[129] | |||||
#ifdef _KERNEL | |||||
struct pcb; | |||||
struct pcpu; | |||||
static inline struct pcpu * | |||||
get_pcpu(void) | |||||
{ | |||||
struct pcpu *pcpu; | |||||
__asm __volatile("mov %0, x18" : "=&r"(pcpu)); | |||||
return (pcpu); | |||||
} | |||||
static inline struct thread * | |||||
get_curthread(void) | |||||
{ | |||||
struct thread *td; | |||||
__asm __volatile("ldr %0, [x18]" : "=&r"(td)); | |||||
return (td); | |||||
} | |||||
#define curthread get_curthread() | |||||
#define PCPU_GET(member) (get_pcpu()->pc_ ## member) | |||||
#define PCPU_ADD(member, value) (get_pcpu()->pc_ ## member += (value)) | |||||
#define PCPU_INC(member) PCPU_ADD(member, 1) | |||||
#define PCPU_PTR(member) (&get_pcpu()->pc_ ## member) | |||||
#define PCPU_SET(member,value) (get_pcpu()->pc_ ## member = (value)) | |||||
#endif /* _KERNEL */ | |||||
#endif /* !_MACHINE_PCPU_H_ */ |