Current Path : /sys/i386/include/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/i386/include/privatespace.h |
/*- * Copyright (c) Peter Wemm * 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: release/9.1.0/sys/i386/include/privatespace.h 158501 2006-05-12 22:38:53Z peter $ */ #ifndef _MACHINE_PRIVATESPACE_H_ #define _MACHINE_PRIVATESPACE_H_ /* * This is the upper (0xff800000) address space layout that is per-cpu. * It is setup in locore.s and pmap.c for the BSP and in mp_machdep.c for * each AP. This is only applicable to the x86 SMP kernel. */ struct privatespace { /* page 0 - data page */ struct pcpu pcpu; char __filler0[PAGE_SIZE - sizeof(struct pcpu)]; /* page 1 - idle stack (KSTACK_PAGES pages) */ char idlekstack[KSTACK_PAGES * PAGE_SIZE]; /* page 1+KSTACK_PAGES... */ }; extern struct privatespace SMP_prvspace[]; #endif /* ! _MACHINE_PRIVATESPACE_H_ */