IFC @ r234692

sys/amd64/include/cpufunc.h
sys/amd64/include/fpu.h
sys/amd64/amd64/fpu.c
sys/amd64/vmm/vmm.c

 - Add API to allow vmm FPU state init/save/restore.

FP stuff discussed with: kib

28 files changed, 129 insertions, 2031 deletions

diff --git a/sys/amd64/include/_limits.h b/sys/amd64/include/_limits.h
index 2f3352b..3c7365b 100644
--- a/sys/amd64/include/_limits.h
+++ b/sys/amd64/include/_limits.h
@@ -1,87 +1,6 @@
 /*-
- * Copyright (c) 1988, 1993
- *	The Regents of the University of California.  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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- *
- *	@(#)limits.h	8.3 (Berkeley) 1/4/94
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef	_MACHINE__LIMITS_H_
-#define	_MACHINE__LIMITS_H_
-
-/*
- * According to ANSI (section 2.2.4.2), the values below must be usable by
- * #if preprocessing directives.  Additionally, the expression must have the
- * same type as would an expression that is an object of the corresponding
- * type converted according to the integral promotions.  The subtraction for
- * INT_MIN, etc., is so the value is not unsigned; e.g., 0x80000000 is an
- * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
- */
-
-#define	__CHAR_BIT	8		/* number of bits in a char */
-
-#define	__SCHAR_MAX	0x7f		/* max value for a signed char */
-#define	__SCHAR_MIN	(-0x7f - 1)	/* min value for a signed char */
-
-#define	__UCHAR_MAX	0xff		/* max value for an unsigned char */
-
-#define	__USHRT_MAX	0xffff		/* max value for an unsigned short */
-#define	__SHRT_MAX	0x7fff		/* max value for a short */
-#define	__SHRT_MIN	(-0x7fff - 1)	/* min value for a short */
-
-#define	__UINT_MAX	0xffffffff	/* max value for an unsigned int */
-#define	__INT_MAX	0x7fffffff	/* max value for an int */
-#define	__INT_MIN	(-0x7fffffff - 1)	/* min value for an int */
-
-#define	__ULONG_MAX	0xffffffffffffffff	/* max for an unsigned long */
-#define	__LONG_MAX	0x7fffffffffffffff	/* max for a long */
-#define	__LONG_MIN	(-0x7fffffffffffffff - 1) /* min for a long */
-
-			/* max value for an unsigned long long */
-#define	__ULLONG_MAX	0xffffffffffffffffULL
-#define	__LLONG_MAX	0x7fffffffffffffffLL	/* max value for a long long */
-#define	__LLONG_MIN	(-0x7fffffffffffffffLL - 1)  /* min for a long long */
-
-#define	__SSIZE_MAX	__LONG_MAX	/* max value for a ssize_t */
-
-#define	__SIZE_T_MAX	__ULONG_MAX	/* max value for a size_t */
-
-#define	__OFF_MAX	__LONG_MAX	/* max value for an off_t */
-#define	__OFF_MIN	__LONG_MIN	/* min value for an off_t */
-
-/* Quads and longs are the same on the amd64.  Ensure they stay in sync. */
-#define	__UQUAD_MAX	__ULONG_MAX	/* max value for a uquad_t */
-#define	__QUAD_MAX	__LONG_MAX	/* max value for a quad_t */
-#define	__QUAD_MIN	__LONG_MIN	/* min value for a quad_t */
-
-#define	__LONG_BIT	64
-#define	__WORD_BIT	32
-
-/* Minimum signal stack size. */
-#define	__MINSIGSTKSZ	(512 * 4)
-
-#endif /* !_MACHINE__LIMITS_H_ */
+#include <x86/_limits.h>
diff --git a/sys/amd64/include/_stdint.h b/sys/amd64/include/_stdint.h
index d755bb3..db1affc 100644
--- a/sys/amd64/include/_stdint.h
+++ b/sys/amd64/include/_stdint.h
@@ -1,171 +1,6 @@
 /*-
- * Copyright (c) 2001, 2002 Mike Barcroft <mike@FreeBSD.org>
- * Copyright (c) 2001 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Klaus Klein.
- *
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *        This product includes software developed by the NetBSD
- *        Foundation, Inc. and its contributors.
- * 4. Neither the name of The NetBSD Foundation nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
- *
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE__STDINT_H_
-#define	_MACHINE__STDINT_H_
-
-#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
-
-#define	INT8_C(c)		(c)
-#define	INT16_C(c)		(c)
-#define	INT32_C(c)		(c)
-#define	INT64_C(c)		(c ## L)
-
-#define	UINT8_C(c)		(c)
-#define	UINT16_C(c)		(c)
-#define	UINT32_C(c)		(c ## U)
-#define	UINT64_C(c)		(c ## UL)
-
-#define	INTMAX_C(c)		INT64_C(c)
-#define	UINTMAX_C(c)		UINT64_C(c)
-
-#endif /* !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) */
-
-#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
-
-/*
- * ISO/IEC 9899:1999
- * 7.18.2.1 Limits of exact-width integer types
- */
-/* Minimum values of exact-width signed integer types. */
-#define	INT8_MIN	(-0x7f-1)
-#define	INT16_MIN	(-0x7fff-1)
-#define	INT32_MIN	(-0x7fffffff-1)
-#define	INT64_MIN	(-0x7fffffffffffffffL-1)
-
-/* Maximum values of exact-width signed integer types. */
-#define	INT8_MAX	0x7f
-#define	INT16_MAX	0x7fff
-#define	INT32_MAX	0x7fffffff
-#define	INT64_MAX	0x7fffffffffffffffL
-
-/* Maximum values of exact-width unsigned integer types. */
-#define	UINT8_MAX	0xff
-#define	UINT16_MAX	0xffff
-#define	UINT32_MAX	0xffffffffU
-#define	UINT64_MAX	0xffffffffffffffffUL
-
-/*
- * ISO/IEC 9899:1999
- * 7.18.2.2  Limits of minimum-width integer types
- */
-/* Minimum values of minimum-width signed integer types. */
-#define	INT_LEAST8_MIN	INT8_MIN
-#define	INT_LEAST16_MIN	INT16_MIN
-#define	INT_LEAST32_MIN	INT32_MIN
-#define	INT_LEAST64_MIN	INT64_MIN
-
-/* Maximum values of minimum-width signed integer types. */
-#define	INT_LEAST8_MAX	INT8_MAX
-#define	INT_LEAST16_MAX	INT16_MAX
-#define	INT_LEAST32_MAX	INT32_MAX
-#define	INT_LEAST64_MAX	INT64_MAX
-
-/* Maximum values of minimum-width unsigned integer types. */
-#define	UINT_LEAST8_MAX	 UINT8_MAX
-#define	UINT_LEAST16_MAX UINT16_MAX
-#define	UINT_LEAST32_MAX UINT32_MAX
-#define	UINT_LEAST64_MAX UINT64_MAX
-
-/*
- * ISO/IEC 9899:1999
- * 7.18.2.3  Limits of fastest minimum-width integer types
- */
-/* Minimum values of fastest minimum-width signed integer types. */
-#define	INT_FAST8_MIN	INT32_MIN
-#define	INT_FAST16_MIN	INT32_MIN
-#define	INT_FAST32_MIN	INT32_MIN
-#define	INT_FAST64_MIN	INT64_MIN
-
-/* Maximum values of fastest minimum-width signed integer types. */
-#define	INT_FAST8_MAX	INT32_MAX
-#define	INT_FAST16_MAX	INT32_MAX
-#define	INT_FAST32_MAX	INT32_MAX
-#define	INT_FAST64_MAX	INT64_MAX
-
-/* Maximum values of fastest minimum-width unsigned integer types. */
-#define	UINT_FAST8_MAX	UINT32_MAX
-#define	UINT_FAST16_MAX	UINT32_MAX
-#define	UINT_FAST32_MAX	UINT32_MAX
-#define	UINT_FAST64_MAX	UINT64_MAX
-
-/*
- * ISO/IEC 9899:1999
- * 7.18.2.4  Limits of integer types capable of holding object pointers
- */
-#define	INTPTR_MIN	INT64_MIN
-#define	INTPTR_MAX	INT64_MAX
-#define	UINTPTR_MAX	UINT64_MAX
-
-/*
- * ISO/IEC 9899:1999
- * 7.18.2.5  Limits of greatest-width integer types
- */
-#define	INTMAX_MIN	INT64_MIN
-#define	INTMAX_MAX	INT64_MAX
-#define	UINTMAX_MAX	UINT64_MAX
-
-/*
- * ISO/IEC 9899:1999
- * 7.18.3  Limits of other integer types
- */
-/* Limits of ptrdiff_t. */
-#define	PTRDIFF_MIN	INT64_MIN	
-#define	PTRDIFF_MAX	INT64_MAX
-
-/* Limits of sig_atomic_t. */
-#define	SIG_ATOMIC_MIN	LONG_MIN
-#define	SIG_ATOMIC_MAX	LONG_MAX
-
-/* Limit of size_t. */
-#define	SIZE_MAX	UINT64_MAX
-
-#ifndef WCHAR_MIN /* Also possibly defined in <wchar.h> */
-/* Limits of wchar_t. */
-#define	WCHAR_MIN	INT32_MIN
-#define	WCHAR_MAX	INT32_MAX
-#endif
-
-/* Limits of wint_t. */
-#define	WINT_MIN	INT32_MIN
-#define	WINT_MAX	INT32_MAX
-
-#endif /* !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) */
-
-#endif /* !_MACHINE__STDINT_H_ */
+#include <x86/_stdint.h>
diff --git a/sys/amd64/include/_types.h b/sys/amd64/include/_types.h
index 99db9b0..2680367 100644
--- a/sys/amd64/include/_types.h
+++ b/sys/amd64/include/_types.h
@@ -1,116 +1,6 @@
 /*-
- * Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org>
- * Copyright (c) 1990, 1993
- *	The Regents of the University of California.  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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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: @(#)ansi.h	8.2 (Berkeley) 1/4/94
- *	From: @(#)types.h	8.3 (Berkeley) 1/5/94
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE__TYPES_H_
-#define	_MACHINE__TYPES_H_
-
-#ifndef _SYS_CDEFS_H_
-#error this file needs sys/cdefs.h as a prerequisite
-#endif
-
-#define __NO_STRICT_ALIGNMENT
-
-/*
- * Basic types upon which most other types are built.
- */
-typedef	signed char		__int8_t;
-typedef	unsigned char		__uint8_t;
-typedef	short			__int16_t;
-typedef	unsigned short		__uint16_t;
-typedef	int			__int32_t;
-typedef	unsigned int		__uint32_t;
-typedef	long			__int64_t;
-typedef	unsigned long		__uint64_t;
-
-/*
- * Standard type definitions.
- */
-typedef	__int32_t	__clock_t;		/* clock()... */
-typedef	__int64_t	__critical_t;
-typedef	double		__double_t;
-typedef	float		__float_t;
-typedef	__int64_t	__intfptr_t;
-typedef	__int64_t	__intmax_t;
-typedef	__int64_t	__intptr_t;
-typedef	__int32_t	__int_fast8_t;
-typedef	__int32_t	__int_fast16_t;
-typedef	__int32_t	__int_fast32_t;
-typedef	__int64_t	__int_fast64_t;
-typedef	__int8_t	__int_least8_t;
-typedef	__int16_t	__int_least16_t;
-typedef	__int32_t	__int_least32_t;
-typedef	__int64_t	__int_least64_t;
-typedef	__int64_t	__ptrdiff_t;		/* ptr1 - ptr2 */
-typedef	__int64_t	__register_t;
-typedef	__int64_t	__segsz_t;		/* segment size (in pages) */
-typedef	__uint64_t	__size_t;		/* sizeof() */
-typedef	__int64_t	__ssize_t;		/* byte count or error */
-typedef	__int64_t	__time_t;		/* time()... */
-typedef	__uint64_t	__uintfptr_t;
-typedef	__uint64_t	__uintmax_t;
-typedef	__uint64_t	__uintptr_t;
-typedef	__uint32_t	__uint_fast8_t;
-typedef	__uint32_t	__uint_fast16_t;
-typedef	__uint32_t	__uint_fast32_t;
-typedef	__uint64_t	__uint_fast64_t;
-typedef	__uint8_t	__uint_least8_t;
-typedef	__uint16_t	__uint_least16_t;
-typedef	__uint32_t	__uint_least32_t;
-typedef	__uint64_t	__uint_least64_t;
-typedef	__uint64_t	__u_register_t;
-typedef	__uint64_t	__vm_offset_t;
-typedef	__int64_t	__vm_ooffset_t;
-typedef	__uint64_t	__vm_paddr_t;
-typedef	__uint64_t	__vm_pindex_t;
-typedef	__uint64_t	__vm_size_t;
-
-/*
- * Unusual type definitions.
- */
-#ifdef __GNUCLIKE_BUILTIN_VARARGS
-typedef	__builtin_va_list	__va_list;	/* internally known to gcc */
-#elif defined(lint)
-typedef	char *			__va_list;	/* pretend */
-#endif
-#if defined(__GNUC_VA_LIST_COMPATIBILITY) && !defined(__GNUC_VA_LIST) \
-    && !defined(__NO_GNUC_VA_LIST)
-#define __GNUC_VA_LIST
-typedef __va_list		__gnuc_va_list;	/* compatibility w/GNU headers*/
-#endif
-
-#endif /* !_MACHINE__TYPES_H_ */
+#include <x86/_types.h>
diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h
index c07e09b..c616a3e 100644
--- a/sys/amd64/include/cpufunc.h
+++ b/sys/amd64/include/cpufunc.h
@@ -663,6 +663,23 @@ intr_disable(void)
 	return (rflags);
 }
 
+#ifndef	CR0_TS
+/* Defined in <machine/specialreg.h> */
+#define	CR0_TS	0x00000008
+#endif
+static __inline void
+start_emulating(void)
+{
+	__asm __volatile("smsw %%ax; orb %0,%%al; lmsw %%ax"
+			 : : "n" (CR0_TS) : "ax");
+}
+
+static __inline void
+stop_emulating(void)
+{
+	__asm __volatile("clts");
+}
+
 static __inline void
 intr_restore(register_t rflags)
 {
@@ -727,7 +744,7 @@ uint64_t rdr5(void);
 uint64_t rdr6(void);
 uint64_t rdr7(void);
 uint64_t rdtsc(void);
-u_int	read_rflags(void);
+u_long	read_rflags(void);
 u_int	rfs(void);
 u_int	rgs(void);
 void	wbinvd(void);
diff --git a/sys/amd64/include/endian.h b/sys/amd64/include/endian.h
index de22c8b..2ad27a9 100644
--- a/sys/amd64/include/endian.h
+++ b/sys/amd64/include/endian.h
@@ -1,145 +1,6 @@
 /*-
- * Copyright (c) 1987, 1991 Regents of the University of California.
- * 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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- *
- *	@(#)endian.h	7.8 (Berkeley) 4/3/91
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE_ENDIAN_H_
-#define	_MACHINE_ENDIAN_H_
-
-#include <sys/cdefs.h>
-#include <sys/_types.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * Define the order of 32-bit words in 64-bit words.
- */
-#define	_QUAD_HIGHWORD 1
-#define	_QUAD_LOWWORD 0
-
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define	_LITTLE_ENDIAN	1234	/* LSB first: i386, vax */
-#define	_BIG_ENDIAN	4321	/* MSB first: 68000, ibm, net */
-#define	_PDP_ENDIAN	3412	/* LSB first in word, MSW first in long */
-
-#define	_BYTE_ORDER	_LITTLE_ENDIAN
-
-/*
- * Deprecated variants that don't have enough underscores to be useful in more
- * strict namespaces.
- */
-#if __BSD_VISIBLE
-#define	LITTLE_ENDIAN	_LITTLE_ENDIAN
-#define	BIG_ENDIAN	_BIG_ENDIAN
-#define	PDP_ENDIAN	_PDP_ENDIAN
-#define	BYTE_ORDER	_BYTE_ORDER
-#endif
-
-#if defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE_BUILTIN_CONSTANT_P)
-
-#define	__bswap64_const(_x)			\
-	(((_x) >> 56) |				\
-	(((_x) >> 40) & (0xffUL << 8)) |	\
-	(((_x) >> 24) & (0xffUL << 16)) |	\
-	(((_x) >> 8) & (0xffUL << 24)) |	\
-	(((_x) << 8) & (0xffUL << 32)) |	\
-	(((_x) << 24) & (0xffUL << 40)) |	\
-	(((_x) << 40) & (0xffUL << 48)) |	\
-	((_x) << 56))
-
-#define	__bswap32_const(_x)			\
-	(((_x) >> 24) |				\
-	(((_x) & (0xff << 16)) >> 8) |		\
-	(((_x) & (0xff << 8)) << 8) |		\
-	((_x) << 24))
-
-#define __bswap16_const(_x)	(__uint16_t)((_x) << 8 | (_x) >> 8)
-
-static __inline __uint64_t
-__bswap64_var(__uint64_t _x)
-{
-
-	__asm ("bswap %0" : "+r" (_x));
-	return (_x);
-}
-
-static __inline __uint32_t
-__bswap32_var(__uint32_t _x)
-{
-
-	__asm ("bswap %0" : "+r" (_x));
-	return (_x);
-}
-
-static __inline __uint16_t
-__bswap16_var(__uint16_t _x)
-{
-
-	return (__bswap16_const(_x));
-}
-
-#define	__bswap64(_x)					\
-	(__builtin_constant_p(_x) ?			\
-	    __bswap64_const((__uint64_t)(_x)) : __bswap64_var(_x))
-
-#define	__bswap32(_x)					\
-	(__builtin_constant_p(_x) ?			\
-	    __bswap32_const((__uint32_t)(_x)) : __bswap32_var(_x))
-
-#define	__bswap16(_x)					\
-	(__builtin_constant_p(_x) ?			\
-	    __bswap16_const((__uint16_t)(_x)) : __bswap16_var(_x))
-
-#define	__htonl(x)	__bswap32(x)
-#define	__htons(x)	__bswap16(x)
-#define	__ntohl(x)	__bswap32(x)
-#define	__ntohs(x)	__bswap16(x)
-
-#else /* !(__GNUCLIKE_ASM && __GNUCLIKE_BUILTIN_CONSTANT_P) */
-
-/*
- * No optimizations are available for this compiler.  Fall back to
- * non-optimized functions by defining the constant usually used to prevent
- * redefinition.
- */
-#define	_BYTEORDER_FUNC_DEFINED
-
-#endif /* __GNUCLIKE_ASM && __GNUCLIKE_BUILTIN_CONSTANT_P */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* !_MACHINE_ENDIAN_H_ */
+#include <x86/endian.h>
diff --git a/sys/amd64/include/float.h b/sys/amd64/include/float.h
index 8f0d713..4759963 100644
--- a/sys/amd64/include/float.h
+++ b/sys/amd64/include/float.h
@@ -1,78 +1,6 @@
 /*-
- * Copyright (c) 1989 Regents of the University of California.
- * 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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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: @(#)float.h	7.1 (Berkeley) 5/8/90
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE_FLOAT_H_
-#define _MACHINE_FLOAT_H_ 1
-
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
-extern int __flt_rounds(void);
-__END_DECLS
-
-#define FLT_RADIX	2		/* b */
-#define FLT_ROUNDS	__flt_rounds()
-#if __ISO_C_VISIBLE >= 1999
-#define	FLT_EVAL_METHOD	0		/* no promotions */
-#define	DECIMAL_DIG	21		/* max precision in decimal digits */
-#endif
-
-#define FLT_MANT_DIG	24		/* p */
-#define FLT_EPSILON	1.19209290E-07F	/* b**(1-p) */
-#define FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
-#define FLT_MIN_EXP	(-125)		/* emin */
-#define FLT_MIN		1.17549435E-38F	/* b**(emin-1) */
-#define FLT_MIN_10_EXP	(-37)		/* ceil(log10(b**(emin-1))) */
-#define FLT_MAX_EXP	128		/* emax */
-#define FLT_MAX		3.40282347E+38F	/* (1-b**(-p))*b**emax */
-#define FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
-
-#define DBL_MANT_DIG	53
-#define DBL_EPSILON	2.2204460492503131E-16
-#define DBL_DIG		15
-#define DBL_MIN_EXP	(-1021)
-#define DBL_MIN		2.2250738585072014E-308
-#define DBL_MIN_10_EXP	(-307)
-#define DBL_MAX_EXP	1024
-#define DBL_MAX		1.7976931348623157E+308
-#define DBL_MAX_10_EXP	308
-
-#define LDBL_MANT_DIG	64
-#define LDBL_EPSILON	1.0842021724855044340E-19L
-#define LDBL_DIG	18
-#define LDBL_MIN_EXP	(-16381)
-#define LDBL_MIN	3.3621031431120935063E-4932L
-#define LDBL_MIN_10_EXP	(-4931)
-#define LDBL_MAX_EXP	16384
-#define LDBL_MAX	1.1897314953572317650E+4932L
-#define LDBL_MAX_10_EXP	4932
-#endif /* _MACHINE_FLOAT_H_ */
+#include <x86/float.h>
diff --git a/sys/amd64/include/fpu.h b/sys/amd64/include/fpu.h
index 50b3819..4c39fa6 100644
--- a/sys/amd64/include/fpu.h
+++ b/sys/amd64/include/fpu.h
@@ -41,92 +41,47 @@
 #ifndef _MACHINE_FPU_H_
 #define	_MACHINE_FPU_H_
 
-/* Contents of each x87 floating point accumulator */
-struct fpacc87 {
-	u_char	fp_bytes[10];
-};
-
-/* Contents of each SSE extended accumulator */
-struct  xmmacc {
-	u_char	xmm_bytes[16];
-};
-
-struct  envxmm {
-	u_int16_t	en_cw;		/* control word (16bits) */
-	u_int16_t	en_sw;		/* status word (16bits) */
-	u_int8_t	en_tw;		/* tag word (8bits) */
-	u_int8_t	en_zero;
-	u_int16_t	en_opcode;	/* opcode last executed (11 bits ) */
-	u_int64_t	en_rip;		/* floating point instruction pointer */
-	u_int64_t	en_rdp;		/* floating operand pointer */
-	u_int32_t	en_mxcsr;	/* SSE sontorol/status register */
-	u_int32_t	en_mxcsr_mask;	/* valid bits in mxcsr */
-};
-
-struct  savefpu {
-	struct	envxmm	sv_env;
-	struct {
-		struct fpacc87	fp_acc;
-		u_char		fp_pad[6];      /* padding */
-	} sv_fp[8];
-	struct xmmacc	sv_xmm[16];
-	u_char sv_pad[96];
-} __aligned(16);
+#include <x86/fpu.h>
 
 #ifdef _KERNEL
-struct fpu_kern_ctx {
-	struct savefpu hwstate;
-	struct savefpu *prev;
-	uint32_t flags;
-};
-#define	FPU_KERN_CTX_FPUINITDONE 0x01
+
+struct fpu_kern_ctx;
 
 #define	PCB_USER_FPU(pcb) (((pcb)->pcb_flags & PCB_KERNFPU) == 0)
-#endif
 
-/*
- * The hardware default control word for i387's and later coprocessors is
- * 0x37F, giving:
- *
- *	round to nearest
- *	64-bit precision
- *	all exceptions masked.
- *
- * FreeBSD/i386 uses 53 bit precision for things like fadd/fsub/fsqrt etc
- * because of the difference between memory and fpu register stack arguments.
- * If its using an intermediate fpu register, it has 80/64 bits to work
- * with.  If it uses memory, it has 64/53 bits to work with.  However,
- * gcc is aware of this and goes to a fair bit of trouble to make the
- * best use of it.
- *
- * This is mostly academic for AMD64, because the ABI prefers the use
- * SSE2 based math.  For FreeBSD/amd64, we go with the default settings.
- */
-#define	__INITIAL_FPUCW__	0x037F
-#define	__INITIAL_FPUCW_I386__	0x127F
-#define	__INITIAL_MXCSR__	0x1F80
-#define	__INITIAL_MXCSR_MASK__	0xFFBF
+#define	XSAVE_AREA_ALIGN	64
 
-#ifdef _KERNEL
 void	fpudna(void);
 void	fpudrop(void);
 void	fpuexit(struct thread *td);
 int	fpuformat(void);
 int	fpugetregs(struct thread *td);
 void	fpuinit(void);
-void	fpusetregs(struct thread *td, struct savefpu *addr);
+void	fpurestore(void *addr);
+void	fpusave(void *addr);
+int	fpusetregs(struct thread *td, struct savefpu *addr,
+	    char *xfpustate, size_t xfpustate_size);
+int	fpusetxstate(struct thread *td, char *xfpustate,
+	    size_t xfpustate_size);
 int	fputrap(void);
 void	fpuuserinited(struct thread *td);
+struct fpu_kern_ctx *fpu_kern_alloc_ctx(u_int flags);
+void	fpu_kern_free_ctx(struct fpu_kern_ctx *ctx);
 int	fpu_kern_enter(struct thread *td, struct fpu_kern_ctx *ctx,
 	    u_int flags);
 int	fpu_kern_leave(struct thread *td, struct fpu_kern_ctx *ctx);
 int	fpu_kern_thread(u_int flags);
 int	is_fpu_kern_thread(u_int flags);
 
+struct savefpu	*fpu_save_area_alloc(void);
+void	fpu_save_area_free(struct savefpu *fsa);
+void	fpu_save_area_reset(struct savefpu *fsa);
+
 /*
- * Flags for fpu_kern_enter() and fpu_kern_thread().
+ * Flags for fpu_kern_alloc_ctx(), fpu_kern_enter() and fpu_kern_thread().
  */
 #define	FPU_KERN_NORMAL	0x0000
+#define	FPU_KERN_NOWAIT	0x0001
 
 #endif
 
diff --git a/sys/amd64/include/frame.h b/sys/amd64/include/frame.h
index 12722a4..e171407 100644
--- a/sys/amd64/include/frame.h
+++ b/sys/amd64/include/frame.h
@@ -81,6 +81,7 @@ struct trapframe {
 };
 
 #define	TF_HASSEGS	0x1
-/* #define	_MC_HASBASES	0x2 */
+#define	TF_HASBASES	0x2
+#define	TF_HASFPXSTATE	0x4
 
 #endif /* _MACHINE_FRAME_H_ */
diff --git a/sys/amd64/include/intr_machdep.h b/sys/amd64/include/intr_machdep.h
index 6cd4eee..700e35f 100644
--- a/sys/amd64/include/intr_machdep.h
+++ b/sys/amd64/include/intr_machdep.h
@@ -60,10 +60,10 @@
  * - 1 ??? dummy counter.
  * - 2 counters for each I/O interrupt.
  * - 1 counter for each CPU for lapic timer.
- * - 7 counters for each CPU for IPI counters for SMP.
+ * - 8 counters for each CPU for IPI counters for SMP.
  */
 #ifdef SMP
-#define	INTRCNT_COUNT	(1 + NUM_IO_INTS * 2 + (1 + 7) * MAXCPU)
+#define	INTRCNT_COUNT	(1 + NUM_IO_INTS * 2 + (1 + 8) * MAXCPU)
 #else
 #define	INTRCNT_COUNT	(1 + NUM_IO_INTS * 2 + 1)
 #endif
diff --git a/sys/amd64/include/legacyvar.h b/sys/amd64/include/legacyvar.h
deleted file mode 100644
index 12a2864..0000000
--- a/sys/amd64/include/legacyvar.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*-
- * Copyright (c) 2000 Peter Wemm <peter@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.
- *
- * $FreeBSD$
- */
-
-#ifndef _MACHINE_LEGACYVAR_H_
-#define	_MACHINE_LEGACYVAR_H_
-
-enum legacy_device_ivars {
-	LEGACY_IVAR_PCIDOMAIN,
-	LEGACY_IVAR_PCIBUS
-};
-
-#define LEGACY_ACCESSOR(var, ivar, type)				\
-    __BUS_ACCESSOR(legacy, var, LEGACY, ivar, type)
-
-LEGACY_ACCESSOR(pcidomain,		PCIDOMAIN,	uint32_t)
-LEGACY_ACCESSOR(pcibus,			PCIBUS,		uint32_t)
-
-#undef LEGACY_ACCESSOR
-
-int	legacy_pcib_maxslots(device_t dev);
-uint32_t legacy_pcib_read_config(device_t dev, u_int bus, u_int slot,
-    u_int func, u_int reg, int bytes);
-int	legacy_pcib_read_ivar(device_t dev, device_t child, int which,
-    uintptr_t *result);
-void	legacy_pcib_write_config(device_t dev, u_int bus, u_int slot,
-    u_int func, u_int reg, uint32_t data, int bytes);
-int	legacy_pcib_write_ivar(device_t dev, device_t child, int which,
-    uintptr_t value);
-struct resource *legacy_pcib_alloc_resource(device_t dev, device_t child,
-    int type, int *rid, u_long start, u_long end, u_long count, u_int flags);
-
-#endif /* !_MACHINE_LEGACYVAR_H_ */
diff --git a/sys/amd64/include/md_var.h b/sys/amd64/include/md_var.h
index 479c84e..ff11ea1 100644
--- a/sys/amd64/include/md_var.h
+++ b/sys/amd64/include/md_var.h
@@ -51,6 +51,7 @@ extern	u_int	cpu_clflush_line_size;
 extern	u_int	cpu_fxsr;
 extern	u_int	cpu_high;
 extern	u_int	cpu_id;
+extern	u_int	cpu_max_ext_state_size;
 extern	u_int	cpu_mxcsr_mask;
 extern	u_int	cpu_procinfo;
 extern	u_int	cpu_procinfo2;
@@ -67,17 +68,23 @@ extern	int	_ucodesel;
 extern	int	_ucode32sel;
 extern	int	_ufssel;
 extern	int	_ugssel;
+extern	int	use_xsave;
+extern	uint64_t xsave_mask;
 
 typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss);
+struct	pcb;
+struct	savefpu;
 struct	thread;
 struct	reg;
 struct	fpreg;
 struct  dbreg;
 struct	dumperinfo;
 
+void	*alloc_fpusave(int flags);
 void	amd64_syscall(struct thread *td, int traced);
 void	busdma_swi(void);
 void	cpu_setregs(void);
+void	ctx_fpusave(void *);
 void	doreti_iret(void) __asm(__STRING(doreti_iret));
 void	doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
 void	ld_ds(void) __asm(__STRING(ld_ds));
@@ -105,5 +112,8 @@ void	pagezero(void *addr);
 void	setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int ist);
 int	user_dbreg_trap(void);
 void	minidumpsys(struct dumperinfo *);
+struct savefpu *get_pcb_user_save_td(struct thread *td);
+struct savefpu *get_pcb_user_save_pcb(struct pcb *pcb);
+struct pcb *get_pcb_td(struct thread *td);
 
 #endif /* !_MACHINE_MD_VAR_H_ */
diff --git a/sys/amd64/include/npx.h b/sys/amd64/include/npx.h
new file mode 100644
index 0000000..ec70f1c
--- /dev/null
+++ b/sys/amd64/include/npx.h
@@ -0,0 +1,6 @@
+/*-
+ * This file is in the public domain.
+ */
+/* $FreeBSD$ */
+
+#include <x86/fpu.h>
diff --git a/sys/amd64/include/pcb.h b/sys/amd64/include/pcb.h
index 1af8f6d..61f651bb 100644
--- a/sys/amd64/include/pcb.h
+++ b/sys/amd64/include/pcb.h
@@ -92,7 +92,8 @@ struct pcb {
 	struct amd64tss *pcb_tssp;
 
 	struct savefpu	*pcb_save;
-	struct savefpu	pcb_user_save;
+
+	uint64_t	pcb_pad[2];
 };
 
 #ifdef _KERNEL
@@ -130,6 +131,7 @@ clear_pcb_flags(struct pcb *pcb, const u_int flags)
 
 void	makectx(struct trapframe *, struct pcb *);
 int	savectx(struct pcb *);
+
 #endif
 
 #endif /* _AMD64_PCB_H_ */
diff --git a/sys/amd64/include/pcpu.h b/sys/amd64/include/pcpu.h
index c4b0c44..d07dbac 100644
--- a/sys/amd64/include/pcpu.h
+++ b/sys/amd64/include/pcpu.h
@@ -226,6 +226,8 @@ __curthread(void)
 }
 #define	curthread		(__curthread())
 
+#define	IS_BSP()	(PCPU_GET(cpuid) == 0)
+
 #else /* !lint || defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE___TYPEOF) */
 
 #error "this file needs to be ported to your compiler"
diff --git a/sys/amd64/include/pmc_mdep.h b/sys/amd64/include/pmc_mdep.h
index 4f16485..73c93fe 100644
--- a/sys/amd64/include/pmc_mdep.h
+++ b/sys/amd64/include/pmc_mdep.h
@@ -50,13 +50,13 @@ struct pmc_mdep;
  * measurement architecture have PMCs of the following classes: TSC,
  * IAF, IAP, UCF and UCP.
  */
-#define	PMC_MDEP_CLASS_INDEX_TSC	0
-#define	PMC_MDEP_CLASS_INDEX_K8		1
-#define	PMC_MDEP_CLASS_INDEX_P4		1
-#define	PMC_MDEP_CLASS_INDEX_IAP	1
-#define	PMC_MDEP_CLASS_INDEX_IAF	2
-#define	PMC_MDEP_CLASS_INDEX_UCP	3
-#define	PMC_MDEP_CLASS_INDEX_UCF	4
+#define	PMC_MDEP_CLASS_INDEX_TSC	1
+#define	PMC_MDEP_CLASS_INDEX_K8		2
+#define	PMC_MDEP_CLASS_INDEX_P4		2
+#define	PMC_MDEP_CLASS_INDEX_IAP	2
+#define	PMC_MDEP_CLASS_INDEX_IAF	3
+#define	PMC_MDEP_CLASS_INDEX_UCP	4
+#define	PMC_MDEP_CLASS_INDEX_UCF	5
 
 /*
  * On the amd64 platform we support the following PMCs.
@@ -119,6 +119,15 @@ union pmc_md_pmc {
 
 #define	PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS)
 
+/* Build a fake kernel trapframe from current instruction pointer. */
+#define PMC_FAKE_TRAPFRAME(TF)						\
+	do {								\
+	(TF)->tf_cs = 0; (TF)->tf_rflags = 0;				\
+	__asm __volatile("movq %%rbp,%0" : "=r" ((TF)->tf_rbp));	\
+	__asm __volatile("movq %%rsp,%0" : "=r" ((TF)->tf_rsp));	\
+	__asm __volatile("call 1f \n\t1: pop %0" : "=r"((TF)->tf_rip));	\
+	} while (0)
+
 /*
  * Prototypes
  */
diff --git a/sys/amd64/include/proc.h b/sys/amd64/include/proc.h
index 5207d89..14585fb 100644
--- a/sys/amd64/include/proc.h
+++ b/sys/amd64/include/proc.h
@@ -46,6 +46,7 @@ struct proc_ldt {
 struct mdthread {
 	int	md_spinlock_count;	/* (k) */
 	register_t md_saved_flags;	/* (k) */
+	register_t md_spurflt_addr;	/* (k) Spurious page fault address. */
 };
 
 struct mdproc {
diff --git a/sys/amd64/include/psl.h b/sys/amd64/include/psl.h
index 07c21ea..4d945a1 100644
--- a/sys/amd64/include/psl.h
+++ b/sys/amd64/include/psl.h
@@ -1,84 +1,6 @@
 /*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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: @(#)psl.h	5.2 (Berkeley) 1/18/91
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE_PSL_H_
-#define	_MACHINE_PSL_H_
-
-/*
- * 386 processor status longword.
- */
-#define	PSL_C		0x00000001	/* carry bit */
-#define	PSL_PF		0x00000004	/* parity bit */
-#define	PSL_AF		0x00000010	/* bcd carry bit */
-#define	PSL_Z		0x00000040	/* zero bit */
-#define	PSL_N		0x00000080	/* negative bit */
-#define	PSL_T		0x00000100	/* trace enable bit */
-#define	PSL_I		0x00000200	/* interrupt enable bit */
-#define	PSL_D		0x00000400	/* string instruction direction bit */
-#define	PSL_V		0x00000800	/* overflow bit */
-#define	PSL_IOPL	0x00003000	/* i/o privilege level */
-#define	PSL_NT		0x00004000	/* nested task bit */
-#define	PSL_RF		0x00010000	/* resume flag bit */
-/* #define PSL_VM	0x00020000 */	/* virtual 8086 mode bit */
-#define	PSL_AC		0x00040000	/* alignment checking */
-/* #define PSL_VIF	0x00080000 */	/* virtual interrupt enable */
-/* #define PSL_VIP	0x00100000 */	/* virtual interrupt pending */
-#define	PSL_ID		0x00200000	/* identification bit */
-
-/*
- * The i486 manual says that we are not supposed to change reserved flags,
- * but this is too much trouble since the reserved flags depend on the cpu
- * and setting them to their historical values works in practice.
- */
-#define	PSL_RESERVED_DEFAULT	0x00000002
-
-/*
- * Initial flags for kernel and user mode.  The kernel later inherits
- * PSL_I and some other flags from user mode.
- */
-#define	PSL_KERNEL	PSL_RESERVED_DEFAULT
-#define	PSL_USER	(PSL_RESERVED_DEFAULT | PSL_I)
-
-/*
- * Bits that can be changed in user mode on 486's.  We allow these bits
- * to be changed using ptrace(), sigreturn() and procfs.  Setting PS_NT
- * is undesirable but it may as well be allowed since users can inflict
- * it on the kernel directly.  Changes to PSL_AC are silently ignored on
- * 386's.
- */
-#define	PSL_USERCHANGE (PSL_C | PSL_PF | PSL_AF | PSL_Z | PSL_N | PSL_T \
-			| PSL_D | PSL_V | PSL_NT | PSL_AC | PSL_ID)
-
-#endif /* !_MACHINE_PSL_H_ */
+#include <x86/psl.h>
diff --git a/sys/amd64/include/ptrace.h b/sys/amd64/include/ptrace.h
index eef24f8..bf86754 100644
--- a/sys/amd64/include/ptrace.h
+++ b/sys/amd64/include/ptrace.h
@@ -1,36 +1,6 @@
 /*-
- * Copyright (c) 1992, 1993
- *	The Regents of the University of California.  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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- *
- *	@(#)ptrace.h	8.1 (Berkeley) 6/11/93
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE_PTRACE_H_
-#define _MACHINE_PTRACE_H_
-
-#endif
+#include <x86/ptrace.h>
diff --git a/sys/amd64/include/reg.h b/sys/amd64/include/reg.h
index 275a998..f6fb2bc 100644
--- a/sys/amd64/include/reg.h
+++ b/sys/amd64/include/reg.h
@@ -1,141 +1,6 @@
 /*-
- * Copyright (c) 2003 Peter Wemm.
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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: @(#)reg.h	5.5 (Berkeley) 1/18/91
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE_REG_H_
-#define	_MACHINE_REG_H_
-
-#if defined(_KERNEL) && !defined(_STANDALONE)
-#include "opt_compat.h"
-#endif
-
-/*
- * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
- */
-struct reg {
-	register_t	r_r15;
-	register_t	r_r14;
-	register_t	r_r13;
-	register_t	r_r12;
-	register_t	r_r11;
-	register_t	r_r10;
-	register_t	r_r9;
-	register_t	r_r8;
-	register_t	r_rdi;
-	register_t	r_rsi;
-	register_t	r_rbp;
-	register_t	r_rbx;
-	register_t	r_rdx;
-	register_t	r_rcx;
-	register_t	r_rax;
-	uint32_t	r_trapno;
-	uint16_t	r_fs;
-	uint16_t	r_gs;
-	uint32_t	r_err;
-	uint16_t	r_es;
-	uint16_t	r_ds;
-	register_t	r_rip;
-	register_t	r_cs;
-	register_t	r_rflags;
-	register_t	r_rsp;
-	register_t	r_ss;
-};
-
-/*
- * Register set accessible via /proc/$pid/fpregs.
- */
-struct fpreg {
-	/*
-	 * XXX should get struct from fpu.h.  Here we give a slightly
-	 * simplified struct.  This may be too much detail.  Perhaps
-	 * an array of unsigned longs is best.
-	 */
-	unsigned long	fpr_env[4];
-	unsigned char	fpr_acc[8][16];
-	unsigned char	fpr_xacc[16][16];
-	unsigned long	fpr_spare[12];
-};
-
-/*
- * Register set accessible via /proc/$pid/dbregs.
- */
-struct dbreg {
-	unsigned long  dr[16];	/* debug registers */
-				/* Index 0-3: debug address registers */
-				/* Index 4-5: reserved */
-				/* Index 6: debug status */
-				/* Index 7: debug control */
-				/* Index 8-15: reserved */
-};
-
-#define	DBREG_DR7_LOCAL_ENABLE	0x01
-#define	DBREG_DR7_GLOBAL_ENABLE	0x02
-#define	DBREG_DR7_LEN_1		0x00	/* 1 byte length          */
-#define	DBREG_DR7_LEN_2		0x01
-#define	DBREG_DR7_LEN_4		0x03
-#define	DBREG_DR7_LEN_8		0x02
-#define	DBREG_DR7_EXEC		0x00	/* break on execute       */
-#define	DBREG_DR7_WRONLY	0x01	/* break on write         */
-#define	DBREG_DR7_RDWR		0x03	/* break on read or write */
-#define	DBREG_DR7_MASK(i)	(0xful << ((i) * 4 + 16) | 0x3 << (i) * 2)
-#define	DBREG_DR7_SET(i, len, access, enable)				\
-	((u_long)((len) << 2 | (access)) << ((i) * 4 + 16) | (enable) << (i) * 2)
-#define	DBREG_DR7_GD		0x2000
-#define	DBREG_DR7_ENABLED(d, i)	(((d) & 0x3 << (i) * 2) != 0)
-#define	DBREG_DR7_ACCESS(d, i)	((d) >> ((i) * 4 + 16) & 0x3)
-#define	DBREG_DR7_LEN(d, i)	((d) >> ((i) * 4 + 18) & 0x3)
-
-#define	DBREG_DRX(d,x)	((d)->dr[(x)])	/* reference dr0 - dr15 by
-					   register number */
-
-#ifdef COMPAT_FREEBSD32
-#include <machine/fpu.h>
-#include <compat/ia32/ia32_reg.h>
-#endif
-
-#ifdef _KERNEL
-/*
- * XXX these interfaces are MI, so they should be declared in a MI place.
- */
-int	fill_regs(struct thread *, struct reg *);
-int	fill_frame_regs(struct trapframe *, struct reg *);
-int	set_regs(struct thread *, struct reg *);
-int	fill_fpregs(struct thread *, struct fpreg *);
-int	set_fpregs(struct thread *, struct fpreg *);
-int	fill_dbregs(struct thread *, struct dbreg *);
-int	set_dbregs(struct thread *, struct dbreg *);
-#endif
-
-#endif /* !_MACHINE_REG_H_ */
+#include <x86/reg.h>
diff --git a/sys/amd64/include/segments.h b/sys/amd64/include/segments.h
index 2796511..d9f4280 100644
--- a/sys/amd64/include/segments.h
+++ b/sys/amd64/include/segments.h
@@ -41,45 +41,7 @@
  * AMD64 Segmentation Data Structures and definitions
  */
 
-/*
- * Selectors
- */
-
-#define	SEL_RPL_MASK	3	/* requester priv level */
-#define	ISPL(s)	((s)&3)		/* what is the priority level of a selector */
-#define	SEL_KPL	0		/* kernel priority level */
-#define	SEL_UPL	3		/* user priority level */
-#define	ISLDT(s)	((s)&SEL_LDT)	/* is it local or global */
-#define	SEL_LDT	4		/* local descriptor table */
-#define	IDXSEL(s)	(((s)>>3) & 0x1fff)		/* index of selector */
-#define	LSEL(s,r)	(((s)<<3) | SEL_LDT | r)	/* a local selector */
-#define	GSEL(s,r)	(((s)<<3) | r)			/* a global selector */
-
-/*
- * User segment descriptors (%cs, %ds etc for compatability apps. 64 bit wide)
- * For long-mode apps, %cs only has the conforming bit in sd_type, the sd_dpl,
- * sd_p, sd_l and sd_def32 which must be zero).  %ds only has sd_p.
- */
-struct	user_segment_descriptor {
-	u_int64_t sd_lolimit:16;	/* segment extent (lsb) */
-	u_int64_t sd_lobase:24;		/* segment base address (lsb) */
-	u_int64_t sd_type:5;		/* segment type */
-	u_int64_t sd_dpl:2;		/* segment descriptor priority level */
-	u_int64_t sd_p:1;		/* segment descriptor present */
-	u_int64_t sd_hilimit:4;		/* segment extent (msb) */
-	u_int64_t sd_xx:1;		/* unused */
-	u_int64_t sd_long:1;		/* long mode (cs only) */
-	u_int64_t sd_def32:1;		/* default 32 vs 16 bit size */
-	u_int64_t sd_gran:1;		/* limit granularity (byte/page units)*/
-	u_int64_t sd_hibase:8;		/* segment base address  (msb) */
-} __packed;
-
-#define	USD_GETBASE(sd)		(((sd)->sd_lobase) | (sd)->sd_hibase << 24) 
-#define	USD_SETBASE(sd, b)	(sd)->sd_lobase = (b); 	\
-				(sd)->sd_hibase = ((b) >> 24);
-#define	USD_GETLIMIT(sd)	(((sd)->sd_lolimit) | (sd)->sd_hilimit << 16)
-#define	USD_SETLIMIT(sd, l)	(sd)->sd_lolimit = (l);	\
-				(sd)->sd_hilimit = ((l) >> 16);
+#include <x86/segments.h>
 
 /*
  * System segment descriptors (128 bit wide)
@@ -100,66 +62,6 @@ struct	system_segment_descriptor {
 } __packed;
 
 /*
- * Gate descriptors (e.g. indirect descriptors, trap, interrupt etc. 128 bit)
- * Only interrupt and trap gates have gd_ist.
- */
-struct	gate_descriptor {
-	u_int64_t gd_looffset:16;	/* gate offset (lsb) */
-	u_int64_t gd_selector:16;	/* gate segment selector */
-	u_int64_t gd_ist:3;		/* IST table index */
-	u_int64_t gd_xx:5;		/* unused */
-	u_int64_t gd_type:5;		/* segment type */
-	u_int64_t gd_dpl:2;		/* segment descriptor priority level */
-	u_int64_t gd_p:1;		/* segment descriptor present */
-	u_int64_t gd_hioffset:48 __packed;	/* gate offset (msb) */
-	u_int64_t sd_xx1:32;
-} __packed;
-
-/*
- * Generic descriptor
- */
-union	descriptor	{
-	struct	user_segment_descriptor sd;
-	struct	gate_descriptor gd;
-};
-
-	/* system segments and gate types */
-#define	SDT_SYSNULL	 0	/* system null */
-#define	SDT_SYS286TSS	 1	/* system 286 TSS available */
-#define	SDT_SYSLDT	 2	/* system 64 bit local descriptor table */
-#define	SDT_SYS286BSY	 3	/* system 286 TSS busy */
-#define	SDT_SYS286CGT	 4	/* system 286 call gate */
-#define	SDT_SYSTASKGT	 5	/* system task gate */
-#define	SDT_SYS286IGT	 6	/* system 286 interrupt gate */
-#define	SDT_SYS286TGT	 7	/* system 286 trap gate */
-#define	SDT_SYSNULL2	 8	/* system null again */
-#define	SDT_SYSTSS	 9	/* system available 64 bit TSS */
-#define	SDT_SYSNULL3	10	/* system null again */
-#define	SDT_SYSBSY	11	/* system busy 64 bit TSS */
-#define	SDT_SYSCGT	12	/* system 64 bit call gate */
-#define	SDT_SYSNULL4	13	/* system null again */
-#define	SDT_SYSIGT	14	/* system 64 bit interrupt gate */
-#define	SDT_SYSTGT	15	/* system 64 bit trap gate */
-
-	/* memory segment types */
-#define	SDT_MEMRO	16	/* memory read only */
-#define	SDT_MEMROA	17	/* memory read only accessed */
-#define	SDT_MEMRW	18	/* memory read write */
-#define	SDT_MEMRWA	19	/* memory read write accessed */
-#define	SDT_MEMROD	20	/* memory read only expand dwn limit */
-#define	SDT_MEMRODA	21	/* memory read only expand dwn limit accessed */
-#define	SDT_MEMRWD	22	/* memory read write expand dwn limit */
-#define	SDT_MEMRWDA	23	/* memory read write expand dwn limit accessed */
-#define	SDT_MEME	24	/* memory execute only */
-#define	SDT_MEMEA	25	/* memory execute only accessed */
-#define	SDT_MEMER	26	/* memory execute read */
-#define	SDT_MEMERA	27	/* memory execute read accessed */
-#define	SDT_MEMEC	28	/* memory execute only conforming */
-#define	SDT_MEMEAC	29	/* memory execute only accessed conforming */
-#define	SDT_MEMERC	30	/* memory execute read conforming */
-#define	SDT_MEMERAC	31	/* memory execute read accessed conforming */
-
-/*
  * Software definitions are in this convenient format,
  * which are translated into inconvenient segment descriptors
  * when needed to be used by the 386 hardware
@@ -184,56 +86,6 @@ struct region_descriptor {
 	unsigned long rd_base:64 __packed;	/* base address  */
 } __packed;
 
-/*
- * Size of IDT table
- */
-#define	NIDT	256		/* 32 reserved, 16 h/w, 0 s/w, linux's 0x80 */
-#define	NRSVIDT	32		/* reserved entries for cpu exceptions */
-
-/*
- * Entries in the Interrupt Descriptor Table (IDT)
- */
-#define	IDT_DE		0	/* #DE: Divide Error */
-#define	IDT_DB		1	/* #DB: Debug */
-#define	IDT_NMI		2	/* Nonmaskable External Interrupt */
-#define	IDT_BP		3	/* #BP: Breakpoint */
-#define	IDT_OF		4	/* #OF: Overflow */
-#define	IDT_BR		5	/* #BR: Bound Range Exceeded */
-#define	IDT_UD		6	/* #UD: Undefined/Invalid Opcode */
-#define	IDT_NM		7	/* #NM: No Math Coprocessor */
-#define	IDT_DF		8	/* #DF: Double Fault */
-#define	IDT_FPUGP	9	/* Coprocessor Segment Overrun */
-#define	IDT_TS		10	/* #TS: Invalid TSS */
-#define	IDT_NP		11	/* #NP: Segment Not Present */
-#define	IDT_SS		12	/* #SS: Stack Segment Fault */
-#define	IDT_GP		13	/* #GP: General Protection Fault */
-#define	IDT_PF		14	/* #PF: Page Fault */
-#define	IDT_MF		16	/* #MF: FPU Floating-Point Error */
-#define	IDT_AC		17	/* #AC: Alignment Check */
-#define	IDT_MC		18	/* #MC: Machine Check */
-#define	IDT_XF		19	/* #XF: SIMD Floating-Point Exception */
-#define	IDT_IO_INTS	NRSVIDT	/* Base of IDT entries for I/O interrupts. */
-#define	IDT_SYSCALL	0x80	/* System Call Interrupt Vector */
-#define	IDT_DTRACE_RET	0x20	/* DTrace pid provider Interrupt Vector */
-
-/*
- * Entries in the Global Descriptor Table (GDT)
- */
-#define	GNULL_SEL	0	/* Null Descriptor */
-#define	GNULL2_SEL	1	/* Null Descriptor */
-#define	GUFS32_SEL	2	/* User 32 bit %fs Descriptor */
-#define	GUGS32_SEL	3	/* User 32 bit %gs Descriptor */
-#define	GCODE_SEL	4	/* Kernel Code Descriptor */
-#define	GDATA_SEL	5	/* Kernel Data Descriptor */
-#define	GUCODE32_SEL	6	/* User 32 bit code Descriptor */
-#define	GUDATA_SEL	7	/* User 32/64 bit Data Descriptor */
-#define	GUCODE_SEL	8	/* User 64 bit Code Descriptor */
-#define	GPROC0_SEL	9	/* TSS for entering kernel etc */
-/* slot 10 is second half of GPROC0_SEL */
-#define	GUSERLDT_SEL	11	/* LDT */
-/* slot 11 is second half of GUSERLDT_SEL */
-#define	NGDT 		13
-
 #ifdef _KERNEL
 extern struct user_segment_descriptor gdt[];
 extern struct soft_segment_descriptor gdt_segs[];
@@ -249,7 +101,6 @@ void	ssdtosyssd(struct soft_segment_descriptor *ssdp,
 	    struct system_segment_descriptor *sdp);
 void	update_gdt_gsbase(struct thread *td, uint32_t base);
 void	update_gdt_fsbase(struct thread *td, uint32_t base);
-
 #endif /* _KERNEL */
 
 #endif /* !_MACHINE_SEGMENTS_H_ */
diff --git a/sys/amd64/include/setjmp.h b/sys/amd64/include/setjmp.h
index c33f9a5..c4101a7 100644
--- a/sys/amd64/include/setjmp.h
+++ b/sys/amd64/include/setjmp.h
@@ -1,50 +1,6 @@
 /*-
- * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
- * 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.
- * 3. Neither the name of the author nor the names of any co-contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL 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 REGENTS 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.
- *
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE_SETJMP_H_
-#define	_MACHINE_SETJMP_H_
-
-#include <sys/cdefs.h>
-
-#define	_JBLEN	12		/* Size of the jmp_buf on AMD64. */
-
-/*
- * jmp_buf and sigjmp_buf are encapsulated in different structs to force
- * compile-time diagnostics for mismatches.  The structs are the same
- * internally to avoid some run-time errors for mismatches.
- */
-#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE
-typedef	struct _sigjmp_buf { long _sjb[_JBLEN]; } sigjmp_buf[1];
-#endif
-
-typedef	struct _jmp_buf { long _jb[_JBLEN]; } jmp_buf[1];
-
-#endif /* !_MACHINE_SETJMP_H_ */
+#include <x86/setjmp.h>
diff --git a/sys/amd64/include/signal.h b/sys/amd64/include/signal.h
index 0374339..085d43a 100644
--- a/sys/amd64/include/signal.h
+++ b/sys/amd64/include/signal.h
@@ -99,7 +99,10 @@ struct sigcontext {
 	long	sc_fsbase;
 	long	sc_gsbase;
 
-	long	sc_spare[6];
+	long	sc_xfpustate;
+	long	sc_xfpustate_len;
+
+	long	sc_spare[4];
 };
 #endif /* __BSD_VISIBLE */
 
diff --git a/sys/amd64/include/specialreg.h b/sys/amd64/include/specialreg.h
index 6ee76aa..aace4bf 100644
--- a/sys/amd64/include/specialreg.h
+++ b/sys/amd64/include/specialreg.h
@@ -1,615 +1,6 @@
 /*-
- * Copyright (c) 1991 The Regents of the University of California.
- * 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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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: @(#)specialreg.h	7.1 (Berkeley) 5/9/91
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE_SPECIALREG_H_
-#define	_MACHINE_SPECIALREG_H_
-
-/*
- * Bits in 386 special registers:
- */
-#define	CR0_PE	0x00000001	/* Protected mode Enable */
-#define	CR0_MP	0x00000002	/* "Math" (fpu) Present */
-#define	CR0_EM	0x00000004	/* EMulate FPU instructions. (trap ESC only) */
-#define	CR0_TS	0x00000008	/* Task Switched (if MP, trap ESC and WAIT) */
-#define	CR0_PG	0x80000000	/* PaGing enable */
-
-/*
- * Bits in 486 special registers:
- */
-#define	CR0_NE	0x00000020	/* Numeric Error enable (EX16 vs IRQ13) */
-#define	CR0_WP	0x00010000	/* Write Protect (honor page protect in
-							   all modes) */
-#define	CR0_AM	0x00040000	/* Alignment Mask (set to enable AC flag) */
-#define	CR0_NW  0x20000000	/* Not Write-through */
-#define	CR0_CD  0x40000000	/* Cache Disable */
-
-/*
- * Bits in PPro special registers
- */
-#define	CR4_VME	0x00000001	/* Virtual 8086 mode extensions */
-#define	CR4_PVI	0x00000002	/* Protected-mode virtual interrupts */
-#define	CR4_TSD	0x00000004	/* Time stamp disable */
-#define	CR4_DE	0x00000008	/* Debugging extensions */
-#define	CR4_PSE	0x00000010	/* Page size extensions */
-#define	CR4_PAE	0x00000020	/* Physical address extension */
-#define	CR4_MCE	0x00000040	/* Machine check enable */
-#define	CR4_PGE	0x00000080	/* Page global enable */
-#define	CR4_PCE	0x00000100	/* Performance monitoring counter enable */
-#define	CR4_FXSR 0x00000200	/* Fast FPU save/restore used by OS */
-#define	CR4_XMM	0x00000400	/* enable SIMD/MMX2 to use except 16 */
-
-/*
- * Bits in AMD64 special registers.  EFER is 64 bits wide.
- */
-#define	EFER_SCE 0x000000001	/* System Call Extensions (R/W) */
-#define	EFER_LME 0x000000100	/* Long mode enable (R/W) */
-#define	EFER_LMA 0x000000400	/* Long mode active (R) */
-#define	EFER_NXE 0x000000800	/* PTE No-Execute bit enable (R/W) */
-
-/*
- * CPUID instruction features register
- */
-#define	CPUID_FPU	0x00000001
-#define	CPUID_VME	0x00000002
-#define	CPUID_DE	0x00000004
-#define	CPUID_PSE	0x00000008
-#define	CPUID_TSC	0x00000010
-#define	CPUID_MSR	0x00000020
-#define	CPUID_PAE	0x00000040
-#define	CPUID_MCE	0x00000080
-#define	CPUID_CX8	0x00000100
-#define	CPUID_APIC	0x00000200
-#define	CPUID_B10	0x00000400
-#define	CPUID_SEP	0x00000800
-#define	CPUID_MTRR	0x00001000
-#define	CPUID_PGE	0x00002000
-#define	CPUID_MCA	0x00004000
-#define	CPUID_CMOV	0x00008000
-#define	CPUID_PAT	0x00010000
-#define	CPUID_PSE36	0x00020000
-#define	CPUID_PSN	0x00040000
-#define	CPUID_CLFSH	0x00080000
-#define	CPUID_B20	0x00100000
-#define	CPUID_DS	0x00200000
-#define	CPUID_ACPI	0x00400000
-#define	CPUID_MMX	0x00800000
-#define	CPUID_FXSR	0x01000000
-#define	CPUID_SSE	0x02000000
-#define	CPUID_XMM	0x02000000
-#define	CPUID_SSE2	0x04000000
-#define	CPUID_SS	0x08000000
-#define	CPUID_HTT	0x10000000
-#define	CPUID_TM	0x20000000
-#define	CPUID_IA64	0x40000000
-#define	CPUID_PBE	0x80000000
-
-#define	CPUID2_SSE3	0x00000001
-#define	CPUID2_PCLMULQDQ 0x00000002
-#define	CPUID2_DTES64	0x00000004
-#define	CPUID2_MON	0x00000008
-#define	CPUID2_DS_CPL	0x00000010
-#define	CPUID2_VMX	0x00000020
-#define	CPUID2_SMX	0x00000040
-#define	CPUID2_EST	0x00000080
-#define	CPUID2_TM2	0x00000100
-#define	CPUID2_SSSE3	0x00000200
-#define	CPUID2_CNXTID	0x00000400
-#define	CPUID2_FMA	0x00001000
-#define	CPUID2_CX16	0x00002000
-#define	CPUID2_XTPR	0x00004000
-#define	CPUID2_PDCM	0x00008000
-#define	CPUID2_PCID	0x00020000
-#define	CPUID2_DCA	0x00040000
-#define	CPUID2_SSE41	0x00080000
-#define	CPUID2_SSE42	0x00100000
-#define	CPUID2_X2APIC	0x00200000
-#define	CPUID2_MOVBE	0x00400000
-#define	CPUID2_POPCNT	0x00800000
-#define	CPUID2_TSCDLT	0x01000000
-#define	CPUID2_AESNI	0x02000000
-#define	CPUID2_XSAVE	0x04000000
-#define	CPUID2_OSXSAVE	0x08000000
-#define	CPUID2_AVX	0x10000000
-#define	CPUID2_F16C	0x20000000
-#define	CPUID2_HV	0x80000000
-
-/*
- * Important bits in the Thermal and Power Management flags
- * CPUID.6 EAX and ECX.
- */
-#define	CPUTPM1_SENSOR	0x00000001
-#define	CPUTPM1_TURBO	0x00000002
-#define	CPUTPM1_ARAT	0x00000004
-#define	CPUTPM2_EFFREQ	0x00000001
-
-/*
- * Important bits in the AMD extended cpuid flags
- */
-#define	AMDID_SYSCALL	0x00000800
-#define	AMDID_MP	0x00080000
-#define	AMDID_NX	0x00100000
-#define	AMDID_EXT_MMX	0x00400000
-#define	AMDID_FFXSR	0x01000000
-#define	AMDID_PAGE1GB	0x04000000
-#define	AMDID_RDTSCP	0x08000000
-#define	AMDID_LM	0x20000000
-#define	AMDID_EXT_3DNOW	0x40000000
-#define	AMDID_3DNOW	0x80000000
-
-#define	AMDID2_LAHF	0x00000001
-#define	AMDID2_CMP	0x00000002
-#define	AMDID2_SVM	0x00000004
-#define	AMDID2_EXT_APIC	0x00000008
-#define	AMDID2_CR8	0x00000010
-#define	AMDID2_ABM	0x00000020
-#define	AMDID2_SSE4A	0x00000040
-#define	AMDID2_MAS	0x00000080
-#define	AMDID2_PREFETCH	0x00000100
-#define	AMDID2_OSVW	0x00000200
-#define	AMDID2_IBS	0x00000400
-#define	AMDID2_XOP	0x00000800
-#define	AMDID2_SKINIT	0x00001000
-#define	AMDID2_WDT	0x00002000
-#define	AMDID2_LWP	0x00008000
-#define	AMDID2_FMA4	0x00010000
-#define	AMDID2_NODE_ID	0x00080000
-#define	AMDID2_TBM	0x00200000
-#define	AMDID2_TOPOLOGY	0x00400000
-
-/*
- * CPUID instruction 1 eax info
- */
-#define	CPUID_STEPPING		0x0000000f
-#define	CPUID_MODEL		0x000000f0
-#define	CPUID_FAMILY		0x00000f00
-#define	CPUID_EXT_MODEL		0x000f0000
-#define	CPUID_EXT_FAMILY	0x0ff00000
-#define	CPUID_TO_MODEL(id) \
-    ((((id) & CPUID_MODEL) >> 4) | \
-    (((id) & CPUID_EXT_MODEL) >> 12))
-#define	CPUID_TO_FAMILY(id) \
-    ((((id) & CPUID_FAMILY) >> 8) + \
-    (((id) & CPUID_EXT_FAMILY) >> 20))
-
-/*
- * CPUID instruction 1 ebx info
- */
-#define	CPUID_BRAND_INDEX	0x000000ff
-#define	CPUID_CLFUSH_SIZE	0x0000ff00
-#define	CPUID_HTT_CORES		0x00ff0000
-#define	CPUID_LOCAL_APIC_ID	0xff000000
-
-/*
- * CPUID instruction 6 ecx info
- */
-#define	CPUID_PERF_STAT		0x00000001
-#define	CPUID_PERF_BIAS		0x00000008
-
-/* 
- * CPUID instruction 0xb ebx info.
- */
-#define	CPUID_TYPE_INVAL	0
-#define	CPUID_TYPE_SMT		1
-#define	CPUID_TYPE_CORE		2
-
-/*
- * AMD extended function 8000_0007h edx info
- */
-#define	AMDPM_TS		0x00000001
-#define	AMDPM_FID		0x00000002
-#define	AMDPM_VID		0x00000004
-#define	AMDPM_TTP		0x00000008
-#define	AMDPM_TM		0x00000010
-#define	AMDPM_STC		0x00000020
-#define	AMDPM_100MHZ_STEPS	0x00000040
-#define	AMDPM_HW_PSTATE		0x00000080
-#define	AMDPM_TSC_INVARIANT	0x00000100
-#define	AMDPM_CPB		0x00000200
-
-/*
- * AMD extended function 8000_0008h ecx info
- */
-#define	AMDID_CMP_CORES		0x000000ff
-#define	AMDID_COREID_SIZE	0x0000f000
-#define	AMDID_COREID_SIZE_SHIFT	12
-
-/*
- * CPUID manufacturers identifiers
- */
-#define	AMD_VENDOR_ID		"AuthenticAMD"
-#define	CENTAUR_VENDOR_ID	"CentaurHauls"
-#define	INTEL_VENDOR_ID		"GenuineIntel"
-
-/*
- * Model-specific registers for the i386 family
- */
-#define	MSR_P5_MC_ADDR		0x000
-#define	MSR_P5_MC_TYPE		0x001
-#define	MSR_TSC			0x010
-#define	MSR_P5_CESR		0x011
-#define	MSR_P5_CTR0		0x012
-#define	MSR_P5_CTR1		0x013
-#define	MSR_IA32_PLATFORM_ID	0x017
-#define	MSR_APICBASE		0x01b
-#define	MSR_EBL_CR_POWERON	0x02a
-#define	MSR_TEST_CTL		0x033
-#define	MSR_BIOS_UPDT_TRIG	0x079
-#define	MSR_BBL_CR_D0		0x088
-#define	MSR_BBL_CR_D1		0x089
-#define	MSR_BBL_CR_D2		0x08a
-#define	MSR_BIOS_SIGN		0x08b
-#define	MSR_PERFCTR0		0x0c1
-#define	MSR_PERFCTR1		0x0c2
-#define	MSR_MPERF		0x0e7
-#define	MSR_APERF		0x0e8
-#define	MSR_IA32_EXT_CONFIG	0x0ee	/* Undocumented. Core Solo/Duo only */
-#define	MSR_MTRRcap		0x0fe
-#define	MSR_BBL_CR_ADDR		0x116
-#define	MSR_BBL_CR_DECC		0x118
-#define	MSR_BBL_CR_CTL		0x119
-#define	MSR_BBL_CR_TRIG		0x11a
-#define	MSR_BBL_CR_BUSY		0x11b
-#define	MSR_BBL_CR_CTL3		0x11e
-#define	MSR_SYSENTER_CS_MSR	0x174
-#define	MSR_SYSENTER_ESP_MSR	0x175
-#define	MSR_SYSENTER_EIP_MSR	0x176
-#define	MSR_MCG_CAP		0x179
-#define	MSR_MCG_STATUS		0x17a
-#define	MSR_MCG_CTL		0x17b
-#define	MSR_EVNTSEL0		0x186
-#define	MSR_EVNTSEL1		0x187
-#define	MSR_THERM_CONTROL	0x19a
-#define	MSR_THERM_INTERRUPT	0x19b
-#define	MSR_THERM_STATUS	0x19c
-#define	MSR_IA32_MISC_ENABLE	0x1a0
-#define	MSR_IA32_TEMPERATURE_TARGET	0x1a2
-#define	MSR_DEBUGCTLMSR		0x1d9
-#define	MSR_LASTBRANCHFROMIP	0x1db
-#define	MSR_LASTBRANCHTOIP	0x1dc
-#define	MSR_LASTINTFROMIP	0x1dd
-#define	MSR_LASTINTTOIP		0x1de
-#define	MSR_ROB_CR_BKUPTMPDR6	0x1e0
-#define	MSR_MTRRVarBase		0x200
-#define	MSR_MTRR64kBase		0x250
-#define	MSR_MTRR16kBase		0x258
-#define	MSR_MTRR4kBase		0x268
-#define	MSR_PAT			0x277
-#define	MSR_MC0_CTL2		0x280
-#define	MSR_MTRRdefType		0x2ff
-#define	MSR_MC0_CTL		0x400
-#define	MSR_MC0_STATUS		0x401
-#define	MSR_MC0_ADDR		0x402
-#define	MSR_MC0_MISC		0x403
-#define	MSR_MC1_CTL		0x404
-#define	MSR_MC1_STATUS		0x405
-#define	MSR_MC1_ADDR		0x406
-#define	MSR_MC1_MISC		0x407
-#define	MSR_MC2_CTL		0x408
-#define	MSR_MC2_STATUS		0x409
-#define	MSR_MC2_ADDR		0x40a
-#define	MSR_MC2_MISC		0x40b
-#define	MSR_MC3_CTL		0x40c
-#define	MSR_MC3_STATUS		0x40d
-#define	MSR_MC3_ADDR		0x40e
-#define	MSR_MC3_MISC		0x40f
-#define	MSR_MC4_CTL		0x410
-#define	MSR_MC4_STATUS		0x411
-#define	MSR_MC4_ADDR		0x412
-#define	MSR_MC4_MISC		0x413
-
-/* X2APIC MSRs */
-#define	MSR_APIC_ID		0x802
-#define	MSR_APIC_VERSION	0x803
-#define	MSR_APIC_TPR		0x808
-#define	MSR_APIC_EOI		0x80b
-#define	MSR_APIC_LDR		0x80d
-#define	MSR_APIC_SVR		0x80f
-#define	MSR_APIC_ISR0		0x810
-#define	MSR_APIC_ISR1		0x811
-#define	MSR_APIC_ISR2		0x812
-#define	MSR_APIC_ISR3		0x813
-#define	MSR_APIC_ISR4		0x814
-#define	MSR_APIC_ISR5		0x815
-#define	MSR_APIC_ISR6		0x816
-#define	MSR_APIC_ISR7		0x817
-#define	MSR_APIC_TMR0		0x818
-#define	MSR_APIC_IRR0		0x820
-#define	MSR_APIC_ESR		0x828
-#define	MSR_APIC_LVT_CMCI	0x82F
-#define	MSR_APIC_ICR		0x830
-#define	MSR_APIC_LVT_TIMER	0x832
-#define	MSR_APIC_LVT_THERMAL	0x833
-#define	MSR_APIC_LVT_PCINT	0x834
-#define	MSR_APIC_LVT_LINT0	0x835
-#define	MSR_APIC_LVT_LINT1	0x836
-#define	MSR_APIC_LVT_ERROR	0x837
-#define	MSR_APIC_ICR_TIMER	0x838
-#define	MSR_APIC_CCR_TIMER	0x839
-#define	MSR_APIC_DCR_TIMER	0x83e
-
-/*
- * Constants related to MSR's.
- */
-#define	APICBASE_RESERVED	0x000002ff
-#define	APICBASE_BSP		0x00000100
-#define	APICBASE_X2APIC		0x00000400
-#define	APICBASE_ENABLED	0x00000800
-#define	APICBASE_ADDRESS	0xfffff000
-
-/*
- * PAT modes.
- */
-#define	PAT_UNCACHEABLE		0x00
-#define	PAT_WRITE_COMBINING	0x01
-#define	PAT_WRITE_THROUGH	0x04
-#define	PAT_WRITE_PROTECTED	0x05
-#define	PAT_WRITE_BACK		0x06
-#define	PAT_UNCACHED		0x07
-#define	PAT_VALUE(i, m)		((long)(m) << (8 * (i)))
-#define	PAT_MASK(i)		PAT_VALUE(i, 0xff)
-
-/*
- * Constants related to MTRRs
- */
-#define	MTRR_UNCACHEABLE	0x00
-#define	MTRR_WRITE_COMBINING	0x01
-#define	MTRR_WRITE_THROUGH	0x04
-#define	MTRR_WRITE_PROTECTED	0x05
-#define	MTRR_WRITE_BACK		0x06
-#define	MTRR_N64K		8	/* numbers of fixed-size entries */
-#define	MTRR_N16K		16
-#define	MTRR_N4K		64
-#define	MTRR_CAP_WC		0x0000000000000400
-#define	MTRR_CAP_FIXED		0x0000000000000100
-#define	MTRR_CAP_VCNT		0x00000000000000ff
-#define	MTRR_DEF_ENABLE		0x0000000000000800
-#define	MTRR_DEF_FIXED_ENABLE	0x0000000000000400
-#define	MTRR_DEF_TYPE		0x00000000000000ff
-#define	MTRR_PHYSBASE_PHYSBASE	0x000ffffffffff000
-#define	MTRR_PHYSBASE_TYPE	0x00000000000000ff
-#define	MTRR_PHYSMASK_PHYSMASK	0x000ffffffffff000
-#define	MTRR_PHYSMASK_VALID	0x0000000000000800
-
-/* Performance Control Register (5x86 only). */
-#define	PCR0			0x20
-#define	PCR0_RSTK		0x01	/* Enables return stack */
-#define	PCR0_BTB		0x02	/* Enables branch target buffer */
-#define	PCR0_LOOP		0x04	/* Enables loop */
-#define	PCR0_AIS		0x08	/* Enables all instrcutions stalled to
-								   serialize pipe. */
-#define	PCR0_MLR		0x10	/* Enables reordering of misaligned loads */
-#define	PCR0_BTBRT		0x40	/* Enables BTB test register. */
-#define	PCR0_LSSER		0x80	/* Disable reorder */
-
-/* Device Identification Registers */
-#define	DIR0			0xfe
-#define	DIR1			0xff
-
-/*
- * Machine Check register constants.
- */
-#define	MCG_CAP_COUNT		0x000000ff
-#define	MCG_CAP_CTL_P		0x00000100
-#define	MCG_CAP_EXT_P		0x00000200
-#define	MCG_CAP_CMCI_P		0x00000400
-#define	MCG_CAP_TES_P		0x00000800
-#define	MCG_CAP_EXT_CNT		0x00ff0000
-#define	MCG_CAP_SER_P		0x01000000
-#define	MCG_STATUS_RIPV		0x00000001
-#define	MCG_STATUS_EIPV		0x00000002
-#define	MCG_STATUS_MCIP		0x00000004
-#define	MCG_CTL_ENABLE		0xffffffffffffffff
-#define	MCG_CTL_DISABLE		0x0000000000000000
-#define	MSR_MC_CTL(x)		(MSR_MC0_CTL + (x) * 4)
-#define	MSR_MC_STATUS(x)	(MSR_MC0_STATUS + (x) * 4)
-#define	MSR_MC_ADDR(x)		(MSR_MC0_ADDR + (x) * 4)
-#define	MSR_MC_MISC(x)		(MSR_MC0_MISC + (x) * 4)
-#define	MSR_MC_CTL2(x)		(MSR_MC0_CTL2 + (x))	/* If MCG_CAP_CMCI_P */
-#define	MC_STATUS_MCA_ERROR	0x000000000000ffff
-#define	MC_STATUS_MODEL_ERROR	0x00000000ffff0000
-#define	MC_STATUS_OTHER_INFO	0x01ffffff00000000
-#define	MC_STATUS_COR_COUNT	0x001fffc000000000	/* If MCG_CAP_CMCI_P */
-#define	MC_STATUS_TES_STATUS	0x0060000000000000	/* If MCG_CAP_TES_P */
-#define	MC_STATUS_AR		0x0080000000000000	/* If MCG_CAP_TES_P */
-#define	MC_STATUS_S		0x0100000000000000	/* If MCG_CAP_TES_P */
-#define	MC_STATUS_PCC		0x0200000000000000
-#define	MC_STATUS_ADDRV		0x0400000000000000
-#define	MC_STATUS_MISCV		0x0800000000000000
-#define	MC_STATUS_EN		0x1000000000000000
-#define	MC_STATUS_UC		0x2000000000000000
-#define	MC_STATUS_OVER		0x4000000000000000
-#define	MC_STATUS_VAL		0x8000000000000000
-#define	MC_MISC_RA_LSB		0x000000000000003f	/* If MCG_CAP_SER_P */
-#define	MC_MISC_ADDRESS_MODE	0x00000000000001c0	/* If MCG_CAP_SER_P */
-#define	MC_CTL2_THRESHOLD	0x0000000000007fff
-#define	MC_CTL2_CMCI_EN		0x0000000040000000
-
-/*
- * The following four 3-byte registers control the non-cacheable regions.
- * These registers must be written as three separate bytes.
- *
- * NCRx+0: A31-A24 of starting address
- * NCRx+1: A23-A16 of starting address
- * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
- *
- * The non-cacheable region's starting address must be aligned to the
- * size indicated by the NCR_SIZE_xx field.
- */
-#define	NCR1	0xc4
-#define	NCR2	0xc7
-#define	NCR3	0xca
-#define	NCR4	0xcd
-
-#define	NCR_SIZE_0K	0
-#define	NCR_SIZE_4K	1
-#define	NCR_SIZE_8K	2
-#define	NCR_SIZE_16K	3
-#define	NCR_SIZE_32K	4
-#define	NCR_SIZE_64K	5
-#define	NCR_SIZE_128K	6
-#define	NCR_SIZE_256K	7
-#define	NCR_SIZE_512K	8
-#define	NCR_SIZE_1M	9
-#define	NCR_SIZE_2M	10
-#define	NCR_SIZE_4M	11
-#define	NCR_SIZE_8M	12
-#define	NCR_SIZE_16M	13
-#define	NCR_SIZE_32M	14
-#define	NCR_SIZE_4G	15
-
-/*
- * The address region registers are used to specify the location and
- * size for the eight address regions.
- *
- * ARRx + 0: A31-A24 of start address
- * ARRx + 1: A23-A16 of start address
- * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx
- */
-#define	ARR0	0xc4
-#define	ARR1	0xc7
-#define	ARR2	0xca
-#define	ARR3	0xcd
-#define	ARR4	0xd0
-#define	ARR5	0xd3
-#define	ARR6	0xd6
-#define	ARR7	0xd9
-
-#define	ARR_SIZE_0K		0
-#define	ARR_SIZE_4K		1
-#define	ARR_SIZE_8K		2
-#define	ARR_SIZE_16K	3
-#define	ARR_SIZE_32K	4
-#define	ARR_SIZE_64K	5
-#define	ARR_SIZE_128K	6
-#define	ARR_SIZE_256K	7
-#define	ARR_SIZE_512K	8
-#define	ARR_SIZE_1M		9
-#define	ARR_SIZE_2M		10
-#define	ARR_SIZE_4M		11
-#define	ARR_SIZE_8M		12
-#define	ARR_SIZE_16M	13
-#define	ARR_SIZE_32M	14
-#define	ARR_SIZE_4G		15
-
-/*
- * The region control registers specify the attributes associated with
- * the ARRx addres regions.
- */
-#define	RCR0	0xdc
-#define	RCR1	0xdd
-#define	RCR2	0xde
-#define	RCR3	0xdf
-#define	RCR4	0xe0
-#define	RCR5	0xe1
-#define	RCR6	0xe2
-#define	RCR7	0xe3
-
-#define	RCR_RCD	0x01	/* Disables caching for ARRx (x = 0-6). */
-#define	RCR_RCE	0x01	/* Enables caching for ARR7. */
-#define	RCR_WWO	0x02	/* Weak write ordering. */
-#define	RCR_WL	0x04	/* Weak locking. */
-#define	RCR_WG	0x08	/* Write gathering. */
-#define	RCR_WT	0x10	/* Write-through. */
-#define	RCR_NLB	0x20	/* LBA# pin is not asserted. */
-
-/* AMD Write Allocate Top-Of-Memory and Control Register */
-#define	AMD_WT_ALLOC_TME	0x40000	/* top-of-memory enable */
-#define	AMD_WT_ALLOC_PRE	0x20000	/* programmable range enable */
-#define	AMD_WT_ALLOC_FRE	0x10000	/* fixed (A0000-FFFFF) range enable */
-
-/* AMD64 MSR's */
-#define	MSR_EFER	0xc0000080	/* extended features */
-#define	MSR_STAR	0xc0000081	/* legacy mode SYSCALL target/cs/ss */
-#define	MSR_LSTAR	0xc0000082	/* long mode SYSCALL target rip */
-#define	MSR_CSTAR	0xc0000083	/* compat mode SYSCALL target rip */
-#define	MSR_SF_MASK	0xc0000084	/* syscall flags mask */
-#define	MSR_FSBASE	0xc0000100	/* base address of the %fs "segment" */
-#define	MSR_GSBASE	0xc0000101	/* base address of the %gs "segment" */
-#define	MSR_KGSBASE	0xc0000102	/* base address of the kernel %gs */
-#define	MSR_PERFEVSEL0	0xc0010000
-#define	MSR_PERFEVSEL1	0xc0010001
-#define	MSR_PERFEVSEL2	0xc0010002
-#define	MSR_PERFEVSEL3	0xc0010003
-#undef MSR_PERFCTR0
-#undef MSR_PERFCTR1
-#define	MSR_PERFCTR0	0xc0010004
-#define	MSR_PERFCTR1	0xc0010005
-#define	MSR_PERFCTR2	0xc0010006
-#define	MSR_PERFCTR3	0xc0010007
-#define	MSR_SYSCFG	0xc0010010
-#define	MSR_HWCR	0xc0010015
-#define	MSR_IORRBASE0	0xc0010016
-#define	MSR_IORRMASK0	0xc0010017
-#define	MSR_IORRBASE1	0xc0010018
-#define	MSR_IORRMASK1	0xc0010019
-#define	MSR_TOP_MEM	0xc001001a	/* boundary for ram below 4G */
-#define	MSR_TOP_MEM2	0xc001001d	/* boundary for ram above 4G */
-#define	MSR_K8_UCODE_UPDATE	0xc0010020	/* update microcode */
-#define	MSR_MC0_CTL_MASK	0xc0010044
-
-/* VIA ACE crypto featureset: for via_feature_rng */
-#define	VIA_HAS_RNG		1	/* cpu has RNG */
-
-/* VIA ACE crypto featureset: for via_feature_xcrypt */
-#define	VIA_HAS_AES		1	/* cpu has AES */
-#define	VIA_HAS_SHA		2	/* cpu has SHA1 & SHA256 */
-#define	VIA_HAS_MM		4	/* cpu has RSA instructions */
-#define	VIA_HAS_AESCTR		8	/* cpu has AES-CTR instructions */
-
-/* Centaur Extended Feature flags */
-#define	VIA_CPUID_HAS_RNG	0x000004
-#define	VIA_CPUID_DO_RNG	0x000008
-#define	VIA_CPUID_HAS_ACE	0x000040
-#define	VIA_CPUID_DO_ACE	0x000080
-#define	VIA_CPUID_HAS_ACE2	0x000100
-#define	VIA_CPUID_DO_ACE2	0x000200
-#define	VIA_CPUID_HAS_PHE	0x000400
-#define	VIA_CPUID_DO_PHE	0x000800
-#define	VIA_CPUID_HAS_PMM	0x001000
-#define	VIA_CPUID_DO_PMM	0x002000
-
-/* VIA ACE xcrypt-* instruction context control options */
-#define	VIA_CRYPT_CWLO_ROUND_M		0x0000000f
-#define	VIA_CRYPT_CWLO_ALG_M		0x00000070
-#define	VIA_CRYPT_CWLO_ALG_AES		0x00000000
-#define	VIA_CRYPT_CWLO_KEYGEN_M		0x00000080
-#define	VIA_CRYPT_CWLO_KEYGEN_HW	0x00000000
-#define	VIA_CRYPT_CWLO_KEYGEN_SW	0x00000080
-#define	VIA_CRYPT_CWLO_NORMAL		0x00000000
-#define	VIA_CRYPT_CWLO_INTERMEDIATE	0x00000100
-#define	VIA_CRYPT_CWLO_ENCRYPT		0x00000000
-#define	VIA_CRYPT_CWLO_DECRYPT		0x00000200
-#define	VIA_CRYPT_CWLO_KEY128		0x0000000a	/* 128bit, 10 rds */
-#define	VIA_CRYPT_CWLO_KEY192		0x0000040c	/* 192bit, 12 rds */
-#define	VIA_CRYPT_CWLO_KEY256		0x0000080e	/* 256bit, 15 rds */
-
-#endif /* !_MACHINE_SPECIALREG_H_ */
+#include <x86/specialreg.h>
diff --git a/sys/amd64/include/stdarg.h b/sys/amd64/include/stdarg.h
index c315dfc..1f80090 100644
--- a/sys/amd64/include/stdarg.h
+++ b/sys/amd64/include/stdarg.h
@@ -1,75 +1,6 @@
 /*-
- * Copyright (c) 2002 David E. O'Brien.  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.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * 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.
- *
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE_STDARG_H_
-#define	_MACHINE_STDARG_H_
-
-#include <sys/cdefs.h>
-#include <sys/_types.h>
-
-#ifndef _VA_LIST_DECLARED
-#define	_VA_LIST_DECLARED
-typedef	__va_list	va_list;
-#endif
-
-#ifdef __GNUCLIKE_BUILTIN_STDARG
-
-#define	va_start(ap, last) \
-	__builtin_va_start((ap), (last))
-
-#define	va_arg(ap, type) \
-	__builtin_va_arg((ap), type)
-
-#define	__va_copy(dest, src) \
-	__builtin_va_copy((dest), (src))
-
-#if __ISO_C_VISIBLE >= 1999
-#define	va_copy(dest, src) \
-	__va_copy(dest, src)
-#endif
-
-#define	va_end(ap) \
-	__builtin_va_end(ap)
-
-#elif defined(lint)
-/* Provide a fake implementation for lint's benefit */
-#define	__va_size(type) \
-	(((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
-#define	va_start(ap, last) \
-	((ap) = (va_list)&(last) + __va_size(last))
-#define	va_arg(ap, type) \
-	(*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
-#define	va_end(ap)
-
-#else
-#error this file needs to be ported to your compiler
-#endif
-
-#endif /* !_MACHINE_STDARG_H_ */
+#include <x86/stdarg.h>
diff --git a/sys/amd64/include/sysarch.h b/sys/amd64/include/sysarch.h
index 7b95a8b..cd380d4 100644
--- a/sys/amd64/include/sysarch.h
+++ b/sys/amd64/include/sysarch.h
@@ -1,91 +1,6 @@
 /*-
- * Copyright (c) 1993 The Regents of the University of California.
- * 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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- *
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-/*
- * Architecture specific syscalls (AMD64)
- */
-#ifndef _MACHINE_SYSARCH_H_
-#define _MACHINE_SYSARCH_H_
-
-#include <sys/cdefs.h>
-
-#define I386_GET_LDT	0
-#define I386_SET_LDT	1
-#define	LDT_AUTO_ALLOC	0xffffffff
-				/* I386_IOPL */
-#define I386_GET_IOPERM	3
-#define I386_SET_IOPERM	4
-
-/* XXX Not implementable #define I386_VM86	6 */
-
-#define	I386_GET_FSBASE		7
-#define	I386_SET_FSBASE		8
-#define	I386_GET_GSBASE		9
-#define	I386_SET_GSBASE		10
-
-/* Leave space for 0-127 for to avoid translating syscalls */
-#define	AMD64_GET_FSBASE	128
-#define	AMD64_SET_FSBASE	129
-#define	AMD64_GET_GSBASE	130
-#define	AMD64_SET_GSBASE	131
-
-struct i386_ldt_args {
-	unsigned int start;
-	struct user_segment_descriptor *descs __packed;
-	unsigned int num;
-};
-
-struct i386_ioperm_args {
-	unsigned int start;
-	unsigned int length;
-	int	enable;
-};
-
-#ifndef _KERNEL
-__BEGIN_DECLS
-int amd64_get_fsbase(void **);
-int amd64_get_gsbase(void **);
-int amd64_set_fsbase(void *);
-int amd64_set_gsbase(void *);
-int sysarch(int, void *);
-__END_DECLS
-#else
-struct thread;
-union descriptor;
-
-int amd64_get_ldt(struct thread *, struct i386_ldt_args *);
-int amd64_set_ldt(struct thread *, struct i386_ldt_args *,
-    struct user_segment_descriptor *);
-int amd64_get_ioperm(struct thread *, struct i386_ioperm_args *);
-int amd64_set_ioperm(struct thread *, struct i386_ioperm_args *);
-#endif
-
-#endif /* !_MACHINE_SYSARCH_H_ */
+#include <x86/sysarch.h>
diff --git a/sys/amd64/include/trap.h b/sys/amd64/include/trap.h
index a395d62..4d95077 100644
--- a/sys/amd64/include/trap.h
+++ b/sys/amd64/include/trap.h
@@ -1,95 +1,6 @@
 /*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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: @(#)trap.h	5.4 (Berkeley) 5/9/91
- * $FreeBSD$
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#ifndef _MACHINE_TRAP_H_
-#define	_MACHINE_TRAP_H_
-
-/*
- * Trap type values
- * also known in trap.c for name strings
- */
-
-#define	T_PRIVINFLT	1	/* privileged instruction */
-#define	T_BPTFLT	3	/* breakpoint instruction */
-#define	T_ARITHTRAP	6	/* arithmetic trap */
-#define	T_PROTFLT	9	/* protection fault */
-#define	T_TRCTRAP	10	/* debug exception (sic) */
-#define	T_PAGEFLT	12	/* page fault */
-#define	T_ALIGNFLT	14	/* alignment fault */
-
-#define	T_DIVIDE	18	/* integer divide fault */
-#define	T_NMI		19	/* non-maskable trap */
-#define	T_OFLOW		20	/* overflow trap */
-#define	T_BOUND		21	/* bound instruction fault */
-#define	T_DNA		22	/* device not available fault */
-#define	T_DOUBLEFLT	23	/* double fault */
-#define	T_FPOPFLT	24	/* fp coprocessor operand fetch fault */
-#define	T_TSSFLT	25	/* invalid tss fault */
-#define	T_SEGNPFLT	26	/* segment not present fault */
-#define	T_STKFLT	27	/* stack fault */
-#define	T_MCHK		28	/* machine check trap */
-#define	T_XMMFLT	29	/* SIMD floating-point exception */
-#define	T_RESERVED	30	/* reserved (unknown) */
-#define	T_DTRACE_RET	32	/* DTrace pid return */
-#define	T_DTRACE_PROBE	33	/* DTrace fasttrap probe */
-
-/* XXX most of the following codes aren't used, but could be. */
-
-/* definitions for <sys/signal.h> */
-#define	    ILL_RESAD_FAULT	T_RESADFLT
-#define	    ILL_PRIVIN_FAULT	T_PRIVINFLT
-#define	    ILL_RESOP_FAULT	T_RESOPFLT
-#define	    ILL_ALIGN_FAULT	T_ALIGNFLT
-#define	    ILL_FPOP_FAULT	T_FPOPFLT	/* coprocessor operand fault */
-
-/* old FreeBSD macros, deprecated */
-#define	FPE_INTOVF_TRAP	0x1	/* integer overflow */
-#define	FPE_INTDIV_TRAP	0x2	/* integer divide by zero */
-#define	FPE_FLTDIV_TRAP	0x3	/* floating/decimal divide by zero */
-#define	FPE_FLTOVF_TRAP	0x4	/* floating overflow */
-#define	FPE_FLTUND_TRAP	0x5	/* floating underflow */
-#define	FPE_FPU_NP_TRAP	0x6	/* floating point unit not present  */
-#define	FPE_SUBRNG_TRAP	0x7	/* subrange out of bounds */
-
-/* codes for SIGBUS */
-#define	    BUS_PAGE_FAULT	T_PAGEFLT	/* page fault protection base */
-#define	    BUS_SEGNP_FAULT	T_SEGNPFLT	/* segment not present */
-#define	    BUS_STK_FAULT	T_STKFLT	/* stack segment */
-#define	    BUS_SEGM_FAULT	T_RESERVED	/* segment protection base */
-
-/* Trap's coming from user mode */
-#define	T_USER	0x100
-
-#endif /* !_MACHINE_TRAP_H_ */
+#include <x86/trap.h>
diff --git a/sys/amd64/include/ucontext.h b/sys/amd64/include/ucontext.h
index 75b7bd2..5ab841e 100644
--- a/sys/amd64/include/ucontext.h
+++ b/sys/amd64/include/ucontext.h
@@ -37,7 +37,8 @@
  */
 #define	_MC_HASSEGS	0x1
 #define	_MC_HASBASES	0x2
-#define	_MC_FLAG_MASK	(_MC_HASSEGS | _MC_HASBASES)
+#define	_MC_HASFPXSTATE	0x4
+#define	_MC_FLAG_MASK	(_MC_HASSEGS | _MC_HASBASES | _MC_HASFPXSTATE)
 
 typedef struct __mcontext {
 	/*
@@ -93,7 +94,10 @@ typedef struct __mcontext {
 	__register_t	mc_fsbase;
 	__register_t	mc_gsbase;
 
-	long	mc_spare[6];
+	__register_t	mc_xfpustate;
+	__register_t	mc_xfpustate_len;
+
+	long	mc_spare[4];
 } mcontext_t;
 
 #endif /* !_MACHINE_UCONTEXT_H_ */
diff --git a/sys/amd64/include/vm.h b/sys/amd64/include/vm.h
index 4065a36..6573e37 100644
--- a/sys/amd64/include/vm.h
+++ b/sys/amd64/include/vm.h
@@ -38,7 +38,7 @@
 #define	VM_MEMATTR_WRITE_THROUGH	((vm_memattr_t)PAT_WRITE_THROUGH)
 #define	VM_MEMATTR_WRITE_PROTECTED	((vm_memattr_t)PAT_WRITE_PROTECTED)
 #define	VM_MEMATTR_WRITE_BACK		((vm_memattr_t)PAT_WRITE_BACK)
-#define	VM_MEMATTR_UNCACHED		((vm_memattr_t)PAT_UNCACHED)
+#define	VM_MEMATTR_WEAK_UNCACHEABLE	((vm_memattr_t)PAT_UNCACHED)
 
 #define	VM_MEMATTR_DEFAULT		VM_MEMATTR_WRITE_BACK