1994-08-02 07:55:43 +00:00
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/*-
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* Copyright (c) 1993 The Regents of the University of California.
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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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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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1999-08-28 01:08:13 +00:00
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* $FreeBSD$
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1994-08-02 07:55:43 +00:00
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*/
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1993-06-12 14:58:17 +00:00
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/*
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* Functions to provide access to special i386 instructions.
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2002-02-28 18:26:30 +00:00
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* This in included in sys/systm.h, and that file should be
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* used in preference to this.
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1993-06-12 14:58:17 +00:00
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*/
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1993-11-07 17:43:17 +00:00
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#ifndef _MACHINE_CPUFUNC_H_
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1994-11-14 15:04:06 +00:00
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#define _MACHINE_CPUFUNC_H_
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1993-11-07 17:43:17 +00:00
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2005-03-02 21:33:29 +00:00
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#ifndef _SYS_CDEFS_H_
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#error this file needs sys/cdefs.h as a prerequisite
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#endif
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2008-08-15 20:51:31 +00:00
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#ifdef XEN
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extern void xen_cli(void);
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extern void xen_sti(void);
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2008-10-19 01:27:40 +00:00
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extern u_int xen_rcr2(void);
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2008-08-15 20:51:31 +00:00
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extern void xen_load_cr3(u_int data);
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extern void xen_tlb_flush(void);
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extern void xen_invlpg(u_int addr);
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2009-10-01 22:05:38 +00:00
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extern void write_eflags(u_int eflags);
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extern u_int read_eflags(void);
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2008-08-15 20:51:31 +00:00
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#endif
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2002-09-22 04:45:21 +00:00
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struct region_descriptor;
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2002-03-27 05:39:23 +00:00
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2011-04-14 16:02:52 +00:00
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#define readb(va) (*(volatile uint8_t *) (va))
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#define readw(va) (*(volatile uint16_t *) (va))
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#define readl(va) (*(volatile uint32_t *) (va))
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1998-08-17 08:57:05 +00:00
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2011-04-14 16:02:52 +00:00
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#define writeb(va, d) (*(volatile uint8_t *) (va) = (d))
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#define writew(va, d) (*(volatile uint16_t *) (va) = (d))
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#define writel(va, d) (*(volatile uint32_t *) (va) = (d))
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1998-08-17 08:57:05 +00:00
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2005-03-02 21:33:29 +00:00
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#if defined(__GNUCLIKE_ASM) && defined(__CC_SUPPORTS___INLINE)
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1993-06-12 14:58:17 +00:00
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1996-04-07 18:30:56 +00:00
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static __inline void
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breakpoint(void)
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1994-09-25 21:31:55 +00:00
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{
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1994-11-14 15:04:06 +00:00
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__asm __volatile("int $3");
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1994-09-25 21:31:55 +00:00
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}
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2000-01-09 16:46:03 +00:00
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static __inline u_int
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bsfl(u_int mask)
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{
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u_int result;
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2009-06-13 14:30:08 +00:00
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__asm("bsfl %1,%0" : "=r" (result) : "rm" (mask) : "cc");
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2000-01-09 16:46:03 +00:00
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return (result);
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}
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static __inline u_int
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bsrl(u_int mask)
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{
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u_int result;
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2009-06-13 14:30:08 +00:00
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__asm("bsrl %1,%0" : "=r" (result) : "rm" (mask) : "cc");
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2000-01-09 16:46:03 +00:00
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return (result);
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}
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2009-07-29 08:49:58 +00:00
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static __inline void
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clflush(u_long addr)
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{
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__asm __volatile("clflush %0" : : "m" (*(char *)addr));
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}
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2012-07-09 20:55:39 +00:00
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static __inline void
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clts(void)
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{
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__asm __volatile("clts");
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}
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1994-09-25 21:31:55 +00:00
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static __inline void
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1994-11-14 15:04:06 +00:00
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disable_intr(void)
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1994-09-25 21:31:55 +00:00
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{
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2008-08-15 20:51:31 +00:00
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#ifdef XEN
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xen_cli();
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#else
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2008-10-19 01:27:40 +00:00
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__asm __volatile("cli" : : : "memory");
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2008-08-15 20:51:31 +00:00
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#endif
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1994-09-25 21:31:55 +00:00
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}
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2002-04-10 21:18:46 +00:00
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static __inline void
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do_cpuid(u_int ax, u_int *p)
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{
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__asm __volatile("cpuid"
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: "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3])
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: "0" (ax));
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}
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2005-05-13 00:10:56 +00:00
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static __inline void
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cpuid_count(u_int ax, u_int cx, u_int *p)
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{
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__asm __volatile("cpuid"
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: "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3])
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: "0" (ax), "c" (cx));
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}
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1994-09-25 21:31:55 +00:00
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static __inline void
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1994-11-14 15:04:06 +00:00
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enable_intr(void)
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1994-09-25 21:31:55 +00:00
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{
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2008-08-15 20:51:31 +00:00
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#ifdef XEN
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xen_sti();
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2008-10-19 01:27:40 +00:00
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#else
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1995-08-26 20:45:59 +00:00
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__asm __volatile("sti");
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2008-08-15 20:51:31 +00:00
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#endif
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1994-09-25 21:31:55 +00:00
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}
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2009-09-30 16:34:50 +00:00
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static __inline void
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2011-07-05 18:42:10 +00:00
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cpu_monitor(const void *addr, u_long extensions, u_int hints)
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2008-04-18 05:47:56 +00:00
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{
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2011-07-05 18:42:10 +00:00
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__asm __volatile("monitor"
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: : "a" (addr), "c" (extensions), "d" (hints));
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2008-04-18 05:47:56 +00:00
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}
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2009-09-30 16:34:50 +00:00
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static __inline void
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2011-07-05 18:42:10 +00:00
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cpu_mwait(u_long extensions, u_int hints)
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2008-04-18 05:47:56 +00:00
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{
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2011-07-05 18:42:10 +00:00
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__asm __volatile("mwait" : : "a" (hints), "c" (extensions));
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2008-04-18 05:47:56 +00:00
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}
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2012-08-01 17:24:53 +00:00
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static __inline void
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lfence(void)
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{
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__asm __volatile("lfence" : : : "memory");
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}
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2009-07-29 08:49:58 +00:00
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static __inline void
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mfence(void)
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{
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__asm __volatile("mfence" : : : "memory");
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}
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2004-03-11 13:38:54 +00:00
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#ifdef _KERNEL
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1999-08-19 14:54:40 +00:00
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#define HAVE_INLINE_FFS
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static __inline int
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ffs(int mask)
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{
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/*
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1994-11-14 15:04:06 +00:00
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* Note that gcc-2's builtin ffs would be used if we didn't declare
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* this inline or turn off the builtin. The builtin is faster but
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2000-01-09 16:46:03 +00:00
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* broken in gcc-2.4.5 and slower but working in gcc-2.5 and later
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* versions.
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1994-11-14 15:04:06 +00:00
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*/
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2002-07-15 13:27:43 +00:00
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return (mask == 0 ? mask : (int)bsfl((u_int)mask) + 1);
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1994-09-25 21:31:55 +00:00
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}
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2014-02-14 15:18:37 +00:00
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#define HAVE_INLINE_FFSL
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static __inline int
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ffsl(long mask)
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{
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return (ffs((int)mask));
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}
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1996-08-01 20:29:28 +00:00
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#define HAVE_INLINE_FLS
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static __inline int
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fls(int mask)
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{
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2002-07-15 13:27:43 +00:00
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return (mask == 0 ? mask : (int)bsrl((u_int)mask) + 1);
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1996-08-01 20:29:28 +00:00
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}
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2014-02-14 15:18:37 +00:00
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#define HAVE_INLINE_FLSL
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static __inline int
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flsl(long mask)
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{
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return (fls((int)mask));
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}
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2004-03-11 13:38:54 +00:00
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#endif /* _KERNEL */
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2002-09-21 18:26:53 +00:00
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static __inline void
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halt(void)
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{
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__asm __volatile("hlt");
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}
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1994-11-14 15:04:06 +00:00
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static __inline u_char
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2009-04-11 14:01:01 +00:00
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inb(u_int port)
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1994-09-25 21:31:55 +00:00
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{
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1994-11-14 15:04:06 +00:00
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u_char data;
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2011-04-14 16:19:41 +00:00
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__asm __volatile("inb %w1, %0" : "=a" (data) : "Nd" (port));
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1994-11-14 15:04:06 +00:00
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return (data);
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1994-09-16 13:33:56 +00:00
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}
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1998-07-11 04:58:25 +00:00
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static __inline u_int
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1994-11-14 15:04:06 +00:00
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inl(u_int port)
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1994-09-16 13:33:56 +00:00
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{
|
1998-07-11 04:58:25 +00:00
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u_int data;
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1994-09-16 13:33:56 +00:00
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2011-04-14 16:19:41 +00:00
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__asm __volatile("inl %w1, %0" : "=a" (data) : "Nd" (port));
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1994-11-14 15:04:06 +00:00
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return (data);
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1994-09-16 13:33:56 +00:00
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}
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1994-11-14 15:04:06 +00:00
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static __inline void
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2010-01-01 20:55:11 +00:00
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insb(u_int port, void *addr, size_t count)
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1994-09-16 13:33:56 +00:00
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{
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1994-11-14 15:04:06 +00:00
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__asm __volatile("cld; rep; insb"
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2010-01-01 20:55:11 +00:00
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: "+D" (addr), "+c" (count)
|
2001-12-18 08:54:39 +00:00
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: "d" (port)
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1999-01-09 13:00:27 +00:00
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: "memory");
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1994-09-16 13:33:56 +00:00
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}
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1994-11-14 15:04:06 +00:00
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static __inline void
|
2010-01-01 20:55:11 +00:00
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insw(u_int port, void *addr, size_t count)
|
1994-09-16 13:33:56 +00:00
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{
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1994-11-14 15:04:06 +00:00
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__asm __volatile("cld; rep; insw"
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2010-01-01 20:55:11 +00:00
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: "+D" (addr), "+c" (count)
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2001-12-18 08:54:39 +00:00
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: "d" (port)
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1999-01-09 13:00:27 +00:00
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: "memory");
|
1994-09-16 13:33:56 +00:00
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}
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|
1994-11-14 15:04:06 +00:00
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static __inline void
|
2010-01-01 20:55:11 +00:00
|
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insl(u_int port, void *addr, size_t count)
|
1994-09-16 13:33:56 +00:00
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{
|
1994-11-14 15:04:06 +00:00
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__asm __volatile("cld; rep; insl"
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2010-01-01 20:55:11 +00:00
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: "+D" (addr), "+c" (count)
|
2001-12-18 08:54:39 +00:00
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: "d" (port)
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1999-01-09 13:00:27 +00:00
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|
: "memory");
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1994-09-16 13:33:56 +00:00
|
|
|
}
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|
|
|
|
1997-03-22 18:54:54 +00:00
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|
|
static __inline void
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invd(void)
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{
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__asm __volatile("invd");
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|
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}
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|
|
1994-11-14 15:04:06 +00:00
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|
static __inline u_short
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|
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inw(u_int port)
|
1994-09-16 13:33:56 +00:00
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|
|
{
|
1994-11-14 15:04:06 +00:00
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u_short data;
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|
2011-04-14 16:19:41 +00:00
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__asm __volatile("inw %w1, %0" : "=a" (data) : "Nd" (port));
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1994-11-14 15:04:06 +00:00
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return (data);
|
1994-09-16 13:33:56 +00:00
|
|
|
}
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|
|
|
|
1994-11-14 15:04:06 +00:00
|
|
|
static __inline void
|
2009-04-11 14:01:01 +00:00
|
|
|
outb(u_int port, u_char data)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
2009-04-11 14:01:01 +00:00
|
|
|
__asm __volatile("outb %0, %w1" : : "a" (data), "Nd" (port));
|
1994-11-14 15:04:06 +00:00
|
|
|
}
|
1993-06-12 14:58:17 +00:00
|
|
|
|
1994-11-14 15:04:06 +00:00
|
|
|
static __inline void
|
1998-07-11 04:58:25 +00:00
|
|
|
outl(u_int port, u_int data)
|
1994-11-14 15:04:06 +00:00
|
|
|
{
|
2011-04-14 16:19:41 +00:00
|
|
|
__asm __volatile("outl %0, %w1" : : "a" (data), "Nd" (port));
|
1993-06-12 14:58:17 +00:00
|
|
|
}
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|
|
|
|
1994-11-14 15:04:06 +00:00
|
|
|
static __inline void
|
2010-01-01 20:55:11 +00:00
|
|
|
outsb(u_int port, const void *addr, size_t count)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
1994-11-14 15:04:06 +00:00
|
|
|
__asm __volatile("cld; rep; outsb"
|
2010-01-01 20:55:11 +00:00
|
|
|
: "+S" (addr), "+c" (count)
|
2001-12-18 08:54:39 +00:00
|
|
|
: "d" (port));
|
1993-06-12 14:58:17 +00:00
|
|
|
}
|
|
|
|
|
1994-11-14 15:04:06 +00:00
|
|
|
static __inline void
|
2010-01-01 20:55:11 +00:00
|
|
|
outsw(u_int port, const void *addr, size_t count)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
1994-11-14 15:04:06 +00:00
|
|
|
__asm __volatile("cld; rep; outsw"
|
2010-01-01 20:55:11 +00:00
|
|
|
: "+S" (addr), "+c" (count)
|
2001-12-18 08:54:39 +00:00
|
|
|
: "d" (port));
|
1993-06-12 14:58:17 +00:00
|
|
|
}
|
|
|
|
|
1994-11-14 15:04:06 +00:00
|
|
|
static __inline void
|
2010-01-01 20:55:11 +00:00
|
|
|
outsl(u_int port, const void *addr, size_t count)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
1994-11-14 15:04:06 +00:00
|
|
|
__asm __volatile("cld; rep; outsl"
|
2010-01-01 20:55:11 +00:00
|
|
|
: "+S" (addr), "+c" (count)
|
2001-12-18 08:54:39 +00:00
|
|
|
: "d" (port));
|
1993-06-12 14:58:17 +00:00
|
|
|
}
|
|
|
|
|
1994-11-14 15:04:06 +00:00
|
|
|
static __inline void
|
|
|
|
outw(u_int port, u_short data)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
2011-04-14 16:19:41 +00:00
|
|
|
__asm __volatile("outw %0, %w1" : : "a" (data), "Nd" (port));
|
1993-06-12 14:58:17 +00:00
|
|
|
}
|
|
|
|
|
2002-05-22 13:27:05 +00:00
|
|
|
static __inline void
|
2002-05-22 20:32:39 +00:00
|
|
|
ia32_pause(void)
|
2002-05-22 13:27:05 +00:00
|
|
|
{
|
|
|
|
__asm __volatile("pause");
|
|
|
|
}
|
|
|
|
|
1998-07-11 04:58:25 +00:00
|
|
|
static __inline u_int
|
2009-10-01 22:05:38 +00:00
|
|
|
#ifdef XEN
|
|
|
|
_read_eflags(void)
|
|
|
|
#else
|
1994-11-14 15:04:06 +00:00
|
|
|
read_eflags(void)
|
2009-10-01 22:05:38 +00:00
|
|
|
#endif
|
1994-11-14 15:04:06 +00:00
|
|
|
{
|
1998-07-11 04:58:25 +00:00
|
|
|
u_int ef;
|
1994-11-14 15:04:06 +00:00
|
|
|
|
1995-05-30 08:16:23 +00:00
|
|
|
__asm __volatile("pushfl; popl %0" : "=r" (ef));
|
1994-11-14 15:04:06 +00:00
|
|
|
return (ef);
|
|
|
|
}
|
|
|
|
|
2007-08-09 20:14:35 +00:00
|
|
|
static __inline uint64_t
|
1996-04-07 18:30:56 +00:00
|
|
|
rdmsr(u_int msr)
|
1994-11-14 15:04:06 +00:00
|
|
|
{
|
2007-08-09 20:14:35 +00:00
|
|
|
uint64_t rv;
|
1996-04-07 18:30:56 +00:00
|
|
|
|
2000-11-21 20:16:49 +00:00
|
|
|
__asm __volatile("rdmsr" : "=A" (rv) : "c" (msr));
|
1996-04-07 18:30:56 +00:00
|
|
|
return (rv);
|
1994-06-06 14:54:41 +00:00
|
|
|
}
|
|
|
|
|
2007-08-09 20:14:35 +00:00
|
|
|
static __inline uint64_t
|
1996-04-07 18:30:56 +00:00
|
|
|
rdpmc(u_int pmc)
|
1996-03-26 19:57:56 +00:00
|
|
|
{
|
2007-08-09 20:14:35 +00:00
|
|
|
uint64_t rv;
|
1996-04-07 18:30:56 +00:00
|
|
|
|
2000-11-21 20:16:49 +00:00
|
|
|
__asm __volatile("rdpmc" : "=A" (rv) : "c" (pmc));
|
1996-04-07 18:30:56 +00:00
|
|
|
return (rv);
|
1996-03-26 19:57:56 +00:00
|
|
|
}
|
|
|
|
|
2007-08-09 20:14:35 +00:00
|
|
|
static __inline uint64_t
|
1996-03-26 19:57:56 +00:00
|
|
|
rdtsc(void)
|
|
|
|
{
|
2007-08-09 20:14:35 +00:00
|
|
|
uint64_t rv;
|
1996-04-07 18:30:56 +00:00
|
|
|
|
2000-11-21 20:16:49 +00:00
|
|
|
__asm __volatile("rdtsc" : "=A" (rv));
|
1996-04-07 18:30:56 +00:00
|
|
|
return (rv);
|
1996-03-26 19:57:56 +00:00
|
|
|
}
|
|
|
|
|
2011-04-14 16:53:32 +00:00
|
|
|
static __inline uint32_t
|
|
|
|
rdtsc32(void)
|
|
|
|
{
|
|
|
|
uint32_t rv;
|
|
|
|
|
|
|
|
__asm __volatile("rdtsc" : "=a" (rv) : : "edx");
|
|
|
|
return (rv);
|
|
|
|
}
|
|
|
|
|
1997-03-22 18:54:54 +00:00
|
|
|
static __inline void
|
|
|
|
wbinvd(void)
|
|
|
|
{
|
|
|
|
__asm __volatile("wbinvd");
|
|
|
|
}
|
|
|
|
|
1996-04-07 18:30:56 +00:00
|
|
|
static __inline void
|
2009-10-01 22:05:38 +00:00
|
|
|
#ifdef XEN
|
|
|
|
_write_eflags(u_int ef)
|
|
|
|
#else
|
1998-07-11 04:58:25 +00:00
|
|
|
write_eflags(u_int ef)
|
2009-10-01 22:05:38 +00:00
|
|
|
#endif
|
1996-03-26 19:57:56 +00:00
|
|
|
{
|
1996-04-07 18:30:56 +00:00
|
|
|
__asm __volatile("pushl %0; popfl" : : "r" (ef));
|
1996-03-26 19:57:56 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
2007-08-09 20:14:35 +00:00
|
|
|
wrmsr(u_int msr, uint64_t newval)
|
1996-03-26 19:57:56 +00:00
|
|
|
{
|
2000-11-21 20:16:49 +00:00
|
|
|
__asm __volatile("wrmsr" : : "A" (newval), "c" (msr));
|
1996-03-26 19:57:56 +00:00
|
|
|
}
|
|
|
|
|
2002-07-12 07:56:11 +00:00
|
|
|
static __inline void
|
|
|
|
load_cr0(u_int data)
|
|
|
|
{
|
|
|
|
|
|
|
|
__asm __volatile("movl %0,%%cr0" : : "r" (data));
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline u_int
|
|
|
|
rcr0(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
|
|
|
|
|
|
|
__asm __volatile("movl %%cr0,%0" : "=r" (data));
|
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline u_int
|
|
|
|
rcr2(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
|
|
|
|
2008-10-19 01:27:40 +00:00
|
|
|
#ifdef XEN
|
|
|
|
return (xen_rcr2());
|
|
|
|
#endif
|
2002-07-12 07:56:11 +00:00
|
|
|
__asm __volatile("movl %%cr2,%0" : "=r" (data));
|
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
|
|
|
load_cr3(u_int data)
|
|
|
|
{
|
2008-08-15 20:51:31 +00:00
|
|
|
#ifdef XEN
|
|
|
|
xen_load_cr3(data);
|
|
|
|
#else
|
2002-07-12 07:56:11 +00:00
|
|
|
__asm __volatile("movl %0,%%cr3" : : "r" (data) : "memory");
|
2008-08-15 20:51:31 +00:00
|
|
|
#endif
|
2002-07-12 07:56:11 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static __inline u_int
|
|
|
|
rcr3(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
|
|
|
|
|
|
|
__asm __volatile("movl %%cr3,%0" : "=r" (data));
|
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
|
|
|
load_cr4(u_int data)
|
|
|
|
{
|
|
|
|
__asm __volatile("movl %0,%%cr4" : : "r" (data));
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline u_int
|
|
|
|
rcr4(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
|
|
|
|
|
|
|
__asm __volatile("movl %%cr4,%0" : "=r" (data));
|
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
2014-11-02 22:58:30 +00:00
|
|
|
static __inline uint64_t
|
|
|
|
rxcr(u_int reg)
|
|
|
|
{
|
|
|
|
u_int low, high;
|
|
|
|
|
|
|
|
__asm __volatile("xgetbv" : "=a" (low), "=d" (high) : "c" (reg));
|
|
|
|
return (low | ((uint64_t)high << 32));
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
|
|
|
load_xcr(u_int reg, uint64_t val)
|
|
|
|
{
|
|
|
|
u_int low, high;
|
|
|
|
|
|
|
|
low = val;
|
|
|
|
high = val >> 32;
|
|
|
|
__asm __volatile("xsetbv" : : "c" (reg), "a" (low), "d" (high));
|
|
|
|
}
|
|
|
|
|
2002-07-12 07:56:11 +00:00
|
|
|
/*
|
|
|
|
* Global TLB flush (except for thise for pages marked PG_G)
|
|
|
|
*/
|
|
|
|
static __inline void
|
|
|
|
invltlb(void)
|
|
|
|
{
|
2008-08-15 20:51:31 +00:00
|
|
|
#ifdef XEN
|
|
|
|
xen_tlb_flush();
|
|
|
|
#else
|
2002-07-12 07:56:11 +00:00
|
|
|
load_cr3(rcr3());
|
2008-08-15 20:51:31 +00:00
|
|
|
#endif
|
2002-07-12 07:56:11 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* TLB flush for an individual page (even if it has PG_G).
|
|
|
|
* Only works on 486+ CPUs (i386 does not have PG_G).
|
|
|
|
*/
|
|
|
|
static __inline void
|
|
|
|
invlpg(u_int addr)
|
|
|
|
{
|
|
|
|
|
2008-08-15 20:51:31 +00:00
|
|
|
#ifdef XEN
|
|
|
|
xen_invlpg(addr);
|
|
|
|
#else
|
2002-07-12 07:56:11 +00:00
|
|
|
__asm __volatile("invlpg %0" : : "m" (*(char *)addr) : "memory");
|
2008-08-15 20:51:31 +00:00
|
|
|
#endif
|
2002-07-12 07:56:11 +00:00
|
|
|
}
|
|
|
|
|
2010-09-03 14:25:17 +00:00
|
|
|
static __inline u_short
|
1999-04-28 01:04:33 +00:00
|
|
|
rfs(void)
|
|
|
|
{
|
2010-09-03 14:25:17 +00:00
|
|
|
u_short sel;
|
|
|
|
__asm __volatile("movw %%fs,%0" : "=rm" (sel));
|
1999-04-28 01:04:33 +00:00
|
|
|
return (sel);
|
|
|
|
}
|
|
|
|
|
2007-08-09 20:14:35 +00:00
|
|
|
static __inline uint64_t
|
|
|
|
rgdt(void)
|
|
|
|
{
|
|
|
|
uint64_t gdtr;
|
|
|
|
__asm __volatile("sgdt %0" : "=m" (gdtr));
|
|
|
|
return (gdtr);
|
|
|
|
}
|
|
|
|
|
2010-09-03 14:25:17 +00:00
|
|
|
static __inline u_short
|
1999-04-28 01:04:33 +00:00
|
|
|
rgs(void)
|
|
|
|
{
|
2010-09-03 14:25:17 +00:00
|
|
|
u_short sel;
|
|
|
|
__asm __volatile("movw %%gs,%0" : "=rm" (sel));
|
1999-04-28 01:04:33 +00:00
|
|
|
return (sel);
|
|
|
|
}
|
|
|
|
|
2007-08-09 20:14:35 +00:00
|
|
|
static __inline uint64_t
|
|
|
|
ridt(void)
|
|
|
|
{
|
|
|
|
uint64_t idtr;
|
|
|
|
__asm __volatile("sidt %0" : "=m" (idtr));
|
|
|
|
return (idtr);
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline u_short
|
|
|
|
rldt(void)
|
|
|
|
{
|
|
|
|
u_short ldtr;
|
|
|
|
__asm __volatile("sldt %0" : "=g" (ldtr));
|
|
|
|
return (ldtr);
|
|
|
|
}
|
|
|
|
|
2010-09-03 14:25:17 +00:00
|
|
|
static __inline u_short
|
2004-04-03 22:23:36 +00:00
|
|
|
rss(void)
|
|
|
|
{
|
2010-09-03 14:25:17 +00:00
|
|
|
u_short sel;
|
|
|
|
__asm __volatile("movw %%ss,%0" : "=rm" (sel));
|
2004-04-03 22:23:36 +00:00
|
|
|
return (sel);
|
|
|
|
}
|
|
|
|
|
2007-08-09 20:14:35 +00:00
|
|
|
static __inline u_short
|
|
|
|
rtr(void)
|
|
|
|
{
|
|
|
|
u_short tr;
|
|
|
|
__asm __volatile("str %0" : "=g" (tr));
|
|
|
|
return (tr);
|
|
|
|
}
|
|
|
|
|
1999-04-28 01:04:33 +00:00
|
|
|
static __inline void
|
2010-09-03 14:25:17 +00:00
|
|
|
load_fs(u_short sel)
|
1999-04-28 01:04:33 +00:00
|
|
|
{
|
2010-09-03 14:25:17 +00:00
|
|
|
__asm __volatile("movw %0,%%fs" : : "rm" (sel));
|
1999-04-28 01:04:33 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
2010-09-03 14:25:17 +00:00
|
|
|
load_gs(u_short sel)
|
1999-04-28 01:04:33 +00:00
|
|
|
{
|
2010-09-03 14:25:17 +00:00
|
|
|
__asm __volatile("movw %0,%%gs" : : "rm" (sel));
|
1999-04-28 01:04:33 +00:00
|
|
|
}
|
|
|
|
|
2002-09-22 04:45:21 +00:00
|
|
|
static __inline void
|
|
|
|
lidt(struct region_descriptor *addr)
|
|
|
|
{
|
|
|
|
__asm __volatile("lidt (%0)" : : "r" (addr));
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
|
|
|
lldt(u_short sel)
|
|
|
|
{
|
|
|
|
__asm __volatile("lldt %0" : : "r" (sel));
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
|
|
|
ltr(u_short sel)
|
|
|
|
{
|
|
|
|
__asm __volatile("ltr %0" : : "r" (sel));
|
|
|
|
}
|
|
|
|
|
2000-02-20 20:51:23 +00:00
|
|
|
static __inline u_int
|
|
|
|
rdr0(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
2000-02-21 13:06:50 +00:00
|
|
|
__asm __volatile("movl %%dr0,%0" : "=r" (data));
|
2000-02-20 20:51:23 +00:00
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
2001-06-28 02:08:13 +00:00
|
|
|
static __inline void
|
2002-05-22 13:29:18 +00:00
|
|
|
load_dr0(u_int dr0)
|
2001-06-28 02:08:13 +00:00
|
|
|
{
|
2002-05-22 13:29:18 +00:00
|
|
|
__asm __volatile("movl %0,%%dr0" : : "r" (dr0));
|
2001-06-28 02:08:13 +00:00
|
|
|
}
|
|
|
|
|
2000-02-20 20:51:23 +00:00
|
|
|
static __inline u_int
|
|
|
|
rdr1(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
2000-02-21 13:06:50 +00:00
|
|
|
__asm __volatile("movl %%dr1,%0" : "=r" (data));
|
2000-02-20 20:51:23 +00:00
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
2001-06-28 02:08:13 +00:00
|
|
|
static __inline void
|
2002-05-22 13:29:18 +00:00
|
|
|
load_dr1(u_int dr1)
|
2001-06-28 02:08:13 +00:00
|
|
|
{
|
2002-05-22 13:29:18 +00:00
|
|
|
__asm __volatile("movl %0,%%dr1" : : "r" (dr1));
|
2001-06-28 02:08:13 +00:00
|
|
|
}
|
|
|
|
|
2000-02-20 20:51:23 +00:00
|
|
|
static __inline u_int
|
|
|
|
rdr2(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
2000-02-21 13:06:50 +00:00
|
|
|
__asm __volatile("movl %%dr2,%0" : "=r" (data));
|
2000-02-20 20:51:23 +00:00
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
2001-06-28 02:08:13 +00:00
|
|
|
static __inline void
|
2002-05-22 13:29:18 +00:00
|
|
|
load_dr2(u_int dr2)
|
2001-06-28 02:08:13 +00:00
|
|
|
{
|
2002-05-22 13:29:18 +00:00
|
|
|
__asm __volatile("movl %0,%%dr2" : : "r" (dr2));
|
2001-06-28 02:08:13 +00:00
|
|
|
}
|
|
|
|
|
2000-02-20 20:51:23 +00:00
|
|
|
static __inline u_int
|
|
|
|
rdr3(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
2000-02-21 13:06:50 +00:00
|
|
|
__asm __volatile("movl %%dr3,%0" : "=r" (data));
|
2000-02-20 20:51:23 +00:00
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
2001-06-28 02:08:13 +00:00
|
|
|
static __inline void
|
2002-05-22 13:29:18 +00:00
|
|
|
load_dr3(u_int dr3)
|
2001-06-28 02:08:13 +00:00
|
|
|
{
|
2002-05-22 13:29:18 +00:00
|
|
|
__asm __volatile("movl %0,%%dr3" : : "r" (dr3));
|
2001-06-28 02:08:13 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static __inline u_int
|
|
|
|
rdr4(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
|
|
|
__asm __volatile("movl %%dr4,%0" : "=r" (data));
|
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
2002-05-22 13:29:18 +00:00
|
|
|
load_dr4(u_int dr4)
|
2001-06-28 02:08:13 +00:00
|
|
|
{
|
2002-05-22 13:29:18 +00:00
|
|
|
__asm __volatile("movl %0,%%dr4" : : "r" (dr4));
|
2001-06-28 02:08:13 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static __inline u_int
|
|
|
|
rdr5(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
|
|
|
__asm __volatile("movl %%dr5,%0" : "=r" (data));
|
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
2002-05-22 13:29:18 +00:00
|
|
|
load_dr5(u_int dr5)
|
2001-06-28 02:08:13 +00:00
|
|
|
{
|
2002-05-22 13:29:18 +00:00
|
|
|
__asm __volatile("movl %0,%%dr5" : : "r" (dr5));
|
2001-06-28 02:08:13 +00:00
|
|
|
}
|
|
|
|
|
2000-02-20 20:51:23 +00:00
|
|
|
static __inline u_int
|
|
|
|
rdr6(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
2000-02-21 13:06:50 +00:00
|
|
|
__asm __volatile("movl %%dr6,%0" : "=r" (data));
|
2000-02-20 20:51:23 +00:00
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
2001-06-28 02:08:13 +00:00
|
|
|
static __inline void
|
2002-05-22 13:29:18 +00:00
|
|
|
load_dr6(u_int dr6)
|
2001-06-28 02:08:13 +00:00
|
|
|
{
|
2002-05-22 13:29:18 +00:00
|
|
|
__asm __volatile("movl %0,%%dr6" : : "r" (dr6));
|
2001-06-28 02:08:13 +00:00
|
|
|
}
|
|
|
|
|
2000-02-20 20:51:23 +00:00
|
|
|
static __inline u_int
|
|
|
|
rdr7(void)
|
|
|
|
{
|
|
|
|
u_int data;
|
2000-02-21 13:06:50 +00:00
|
|
|
__asm __volatile("movl %%dr7,%0" : "=r" (data));
|
2000-02-20 20:51:23 +00:00
|
|
|
return (data);
|
|
|
|
}
|
|
|
|
|
2001-06-28 02:08:13 +00:00
|
|
|
static __inline void
|
2002-05-22 13:29:18 +00:00
|
|
|
load_dr7(u_int dr7)
|
2001-06-28 02:08:13 +00:00
|
|
|
{
|
2002-05-22 13:29:18 +00:00
|
|
|
__asm __volatile("movl %0,%%dr7" : : "r" (dr7));
|
2001-06-28 02:08:13 +00:00
|
|
|
}
|
|
|
|
|
2009-06-16 15:13:18 +00:00
|
|
|
static __inline u_char
|
|
|
|
read_cyrix_reg(u_char reg)
|
|
|
|
{
|
|
|
|
outb(0x22, reg);
|
|
|
|
return inb(0x23);
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
|
|
|
write_cyrix_reg(u_char reg, u_char data)
|
|
|
|
{
|
|
|
|
outb(0x22, reg);
|
|
|
|
outb(0x23, data);
|
|
|
|
}
|
|
|
|
|
2002-03-21 06:19:08 +00:00
|
|
|
static __inline register_t
|
|
|
|
intr_disable(void)
|
|
|
|
{
|
2008-08-20 09:16:46 +00:00
|
|
|
register_t eflags;
|
2002-03-21 06:19:08 +00:00
|
|
|
|
|
|
|
eflags = read_eflags();
|
|
|
|
disable_intr();
|
|
|
|
return (eflags);
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline void
|
|
|
|
intr_restore(register_t eflags)
|
|
|
|
{
|
|
|
|
write_eflags(eflags);
|
|
|
|
}
|
|
|
|
|
2005-03-02 21:33:29 +00:00
|
|
|
#else /* !(__GNUCLIKE_ASM && __CC_SUPPORTS___INLINE) */
|
1993-06-12 14:58:17 +00:00
|
|
|
|
2002-03-20 19:04:56 +00:00
|
|
|
int breakpoint(void);
|
|
|
|
u_int bsfl(u_int mask);
|
|
|
|
u_int bsrl(u_int mask);
|
2012-07-09 20:55:39 +00:00
|
|
|
void clflush(u_long addr);
|
|
|
|
void clts(void);
|
|
|
|
void cpuid_count(u_int ax, u_int cx, u_int *p);
|
2002-03-20 19:04:56 +00:00
|
|
|
void disable_intr(void);
|
|
|
|
void do_cpuid(u_int ax, u_int *p);
|
|
|
|
void enable_intr(void);
|
2002-09-21 18:26:53 +00:00
|
|
|
void halt(void);
|
2004-03-05 15:30:40 +00:00
|
|
|
void ia32_pause(void);
|
2002-03-20 19:04:56 +00:00
|
|
|
u_char inb(u_int port);
|
|
|
|
u_int inl(u_int port);
|
2010-01-01 20:55:11 +00:00
|
|
|
void insb(u_int port, void *addr, size_t count);
|
|
|
|
void insl(u_int port, void *addr, size_t count);
|
|
|
|
void insw(u_int port, void *addr, size_t count);
|
2004-03-05 15:30:40 +00:00
|
|
|
register_t intr_disable(void);
|
|
|
|
void intr_restore(register_t ef);
|
2002-03-20 19:04:56 +00:00
|
|
|
void invd(void);
|
|
|
|
void invlpg(u_int addr);
|
|
|
|
void invltlb(void);
|
|
|
|
u_short inw(u_int port);
|
2004-03-05 15:30:40 +00:00
|
|
|
void lidt(struct region_descriptor *addr);
|
|
|
|
void lldt(u_short sel);
|
2002-07-12 07:56:11 +00:00
|
|
|
void load_cr0(u_int cr0);
|
|
|
|
void load_cr3(u_int cr3);
|
|
|
|
void load_cr4(u_int cr4);
|
2004-03-05 15:30:40 +00:00
|
|
|
void load_dr0(u_int dr0);
|
|
|
|
void load_dr1(u_int dr1);
|
|
|
|
void load_dr2(u_int dr2);
|
|
|
|
void load_dr3(u_int dr3);
|
|
|
|
void load_dr4(u_int dr4);
|
|
|
|
void load_dr5(u_int dr5);
|
|
|
|
void load_dr6(u_int dr6);
|
|
|
|
void load_dr7(u_int dr7);
|
2010-09-03 14:25:17 +00:00
|
|
|
void load_fs(u_short sel);
|
|
|
|
void load_gs(u_short sel);
|
2002-09-22 04:45:21 +00:00
|
|
|
void ltr(u_short sel);
|
2002-03-20 19:04:56 +00:00
|
|
|
void outb(u_int port, u_char data);
|
|
|
|
void outl(u_int port, u_int data);
|
2010-01-01 20:55:11 +00:00
|
|
|
void outsb(u_int port, const void *addr, size_t count);
|
|
|
|
void outsl(u_int port, const void *addr, size_t count);
|
|
|
|
void outsw(u_int port, const void *addr, size_t count);
|
2002-03-20 19:04:56 +00:00
|
|
|
void outw(u_int port, u_short data);
|
2002-07-12 07:56:11 +00:00
|
|
|
u_int rcr0(void);
|
2002-03-20 19:04:56 +00:00
|
|
|
u_int rcr2(void);
|
2002-07-12 07:56:11 +00:00
|
|
|
u_int rcr3(void);
|
|
|
|
u_int rcr4(void);
|
2007-08-09 20:14:35 +00:00
|
|
|
uint64_t rdmsr(u_int msr);
|
|
|
|
uint64_t rdpmc(u_int pmc);
|
2002-05-22 13:27:05 +00:00
|
|
|
u_int rdr0(void);
|
|
|
|
u_int rdr1(void);
|
|
|
|
u_int rdr2(void);
|
|
|
|
u_int rdr3(void);
|
|
|
|
u_int rdr4(void);
|
|
|
|
u_int rdr5(void);
|
|
|
|
u_int rdr6(void);
|
|
|
|
u_int rdr7(void);
|
2007-08-09 20:14:35 +00:00
|
|
|
uint64_t rdtsc(void);
|
2009-06-16 15:13:18 +00:00
|
|
|
u_char read_cyrix_reg(u_char reg);
|
2004-03-05 15:30:40 +00:00
|
|
|
u_int read_eflags(void);
|
|
|
|
u_int rfs(void);
|
2007-08-09 20:14:35 +00:00
|
|
|
uint64_t rgdt(void);
|
2004-03-05 15:30:40 +00:00
|
|
|
u_int rgs(void);
|
2007-08-09 20:14:35 +00:00
|
|
|
uint64_t ridt(void);
|
|
|
|
u_short rldt(void);
|
|
|
|
u_short rtr(void);
|
2004-03-05 15:30:40 +00:00
|
|
|
void wbinvd(void);
|
2009-06-16 15:13:18 +00:00
|
|
|
void write_cyrix_reg(u_char reg, u_char data);
|
2004-03-05 15:30:40 +00:00
|
|
|
void write_eflags(u_int ef);
|
2007-08-09 20:14:35 +00:00
|
|
|
void wrmsr(u_int msr, uint64_t newval);
|
1994-11-14 15:04:06 +00:00
|
|
|
|
2005-03-02 21:33:29 +00:00
|
|
|
#endif /* __GNUCLIKE_ASM && __CC_SUPPORTS___INLINE */
|
1993-06-12 14:58:17 +00:00
|
|
|
|
2002-03-20 05:48:58 +00:00
|
|
|
void reset_dbregs(void);
|
2002-03-27 05:39:23 +00:00
|
|
|
|
2008-08-08 16:26:53 +00:00
|
|
|
#ifdef _KERNEL
|
|
|
|
int rdmsr_safe(u_int msr, uint64_t *val);
|
|
|
|
int wrmsr_safe(u_int msr, uint64_t newval);
|
|
|
|
#endif
|
|
|
|
|
1994-11-14 15:04:06 +00:00
|
|
|
#endif /* !_MACHINE_CPUFUNC_H_ */
|