/* * Copyright (c) 2001-2004 Ondrej Palkovsky * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - 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. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 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. */ /** @addtogroup kernel_amd64 * @{ */ /** @file */ #ifndef KERN_amd64_CPUID_H_ #define KERN_amd64_CPUID_H_ #define AMD_CPUID_EXTENDED 0x80000001 #define AMD_EXT_NOEXECUTE 20 #define AMD_EXT_LONG_MODE 29 #define INTEL_CPUID_LEVEL 0x00000000 #define INTEL_CPUID_STANDARD 0x00000001 #define INTEL_CPUID_EXTENDED 0x80000000 #define INTEL_SSE2 26 #define INTEL_FXSAVE 24 #ifndef __ASSEMBLER__ #include <stdint.h> typedef struct { uint32_t cpuid_eax; uint32_t cpuid_ebx; uint32_t cpuid_ecx; uint32_t cpuid_edx; } __attribute__((packed)) cpu_info_t; extern int has_cpuid(void); extern void cpuid(uint32_t cmd, cpu_info_t *info); #endif /* !def __ASSEMBLER__ */ #endif /** @} */