ClickHouse/libs/libcpuid/include/cpuid/asm-bits.h

54 lines
2.0 KiB
C

/*
* Copyright 2008 Veselin Georgiev,
* anrieffNOSPAM @ mgail_DOT.com (convert to gmail)
*
* 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 ``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 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.
*/
#ifndef __ASM_BITS_H__
#define __ASM_BITS_H__
#include "libcpuid.h"
/* Determine Compiler: */
#if defined(_MSC_VER)
# define COMPILER_MICROSOFT
#elif defined(__GNUC__)
# define COMPILER_GCC
#endif
/* Determine Platform */
#if defined(__x86_64__) || defined(_M_AMD64)
# define PLATFORM_X64
#elif defined(__i386__) || defined(_M_IX86)
# define PLATFORM_X86
#endif
/* Under Windows/AMD64 with MSVC, inline assembly isn't supported */
#if (defined(COMPILER_GCC) && defined(PLATFORM_X64)) || defined(PLATFORM_X86)
# define INLINE_ASM_SUPPORTED
#endif
int cpuid_exists_by_eflags(void);
void exec_cpuid(uint32_t *regs);
void busy_sse_loop(int cycles);
#endif /* __ASM_BITS_H__ */