Current Path : /sys/ia64/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/ia64/include/cpufunc.h |
/*- * Copyright (c) 1998 Doug Rabson * 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/ia64/include/cpufunc.h 205713 2010-03-26 21:22:02Z marcel $ */ #ifndef _MACHINE_CPUFUNC_H_ #define _MACHINE_CPUFUNC_H_ #ifdef _KERNEL #include <sys/types.h> #include <machine/ia64_cpu.h> #include <machine/vmparam.h> #ifndef _SYS_CDEFS_H_ #error this file needs sys/cdefs.h as a prerequisite #endif struct thread; #define IA64_FIXED_BREAK 0x84B5D #ifdef __GNUCLIKE_ASM static __inline void breakpoint(void) { __asm __volatile("break.m %0" :: "i"(IA64_FIXED_BREAK)); } #define HAVE_INLINE_FFS #define ffs(x) __builtin_ffs(x) static __inline void ia64_disable_intr(void) { __asm __volatile ("rsm psr.i"); } static __inline void ia64_enable_intr(void) { __asm __volatile ("ssm psr.i;; srlz.d"); } static __inline register_t intr_disable(void) { register_t psr; __asm __volatile ("mov %0=psr;;" : "=r"(psr)); ia64_disable_intr(); return ((psr & IA64_PSR_I) ? 1 : 0); } static __inline void intr_restore(register_t ie) { if (ie) ia64_enable_intr(); } #endif /* __GNUCLIKE_ASM */ #endif /* _KERNEL */ #endif /* !_MACHINE_CPUFUNC_H_ */