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+/****************************************************************************
+*
+* Inline helpers for x86emu
+*
+* Copyright (C) 2008 Bart Trojanowski, Symbio Technologies, LLC
+*
+* ========================================================================
+*
+* Permission to use, copy, modify, distribute, and sell this software and
+* its documentation for any purpose is hereby granted without fee,
+* provided that the above copyright notice appear in all copies and that
+* both that copyright notice and this permission notice appear in
+* supporting documentation, and that the name of the authors not be used
+* in advertising or publicity pertaining to distribution of the software
+* without specific, written prior permission. The authors makes no
+* representations about the suitability of this software for any purpose.
+* It is provided "as is" without express or implied warranty.
+*
+* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+* PERFORMANCE OF THIS SOFTWARE.
+*
+* ========================================================================
+*
+* Language: GNU C
+* Environment: GCC on i386 or x86-64
+* Developer: Bart Trojanowski
+*
+* Description: This file defines a few x86 macros that can be used by the
+* emulator to execute native instructions.
+*
+* For PIC vs non-PIC code refer to:
+* http://sam.zoy.org/blog/2007-04-13-shlib-with-non-pic-code-have-inline-assembly-and-pic-mix-well
+*
+****************************************************************************/
+#ifndef __X86EMU_PRIM_X86_GCC_H
+#define __X86EMU_PRIM_X86_GCC_H
+
+#include "x86emu/types.h"
+
+#if !defined(__GNUC__) || !(defined (__i386__) || defined(__i386) || defined(__AMD64__) || defined(__amd64__))
+#error This file is intended to be used by gcc on i386 or x86-64 system
+#endif
+
+#if defined(__PIC__) && defined(__i386__)
+
+#define X86EMU_HAS_HW_CPUID 1
+static inline void hw_cpuid (u32 *a, u32 *b, u32 *c, u32 *d)
+{
+ __asm__ __volatile__ ("pushl %%ebx \n\t"
+ "cpuid \n\t"
+ "movl %%ebx, %1 \n\t"
+ "popl %%ebx \n\t"
+ : "=a" (*a), "=r" (*b),
+ "=c" (*c), "=d" (*d)
+ : "a" (*a), "c" (*c)
+ : "cc");
+}
+
+#else // ! (__PIC__ && __i386__)
+
+#define x86EMU_HAS_HW_CPUID 1
+static inline void hw_cpuid (u32 *a, u32 *b, u32 *c, u32 *d)
+{
+ __asm__ __volatile__ ("cpuid"
+ : "=a" (*a), "=b" (*b),
+ "=c" (*c), "=d" (*d)
+ : "a" (*a), "c" (*c)
+ : "cc");
+}
+
+#endif // __PIC__ && __i386__
+
+
+#endif // __X86EMU_PRIM_X86_GCC_H