Subversion Repositories HelenOS

Rev

Rev 1780 | Rev 1888 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
242 palkovsky 1
/*
2
 * Copyright (C) 2001-2004 Ondrej Palkovsky
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
1731 jermar 29
/** @addtogroup amd64
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
860 decky 35
#ifndef __amd64_CPUID_H__
36
#define __amd64_CPUID_H__
242 palkovsky 37
 
282 palkovsky 38
#define AMD_CPUID_EXTENDED   0x80000001
251 palkovsky 39
#define AMD_EXT_NOEXECUTE    20
40
 
282 palkovsky 41
#define INTEL_CPUID_STANDARD 0x1
42
#define INTEL_SSE2           26
43
#define INTEL_FXSAVE         24
44
 
275 palkovsky 45
#ifndef __ASM__
46
 
47
#include <arch/types.h>
48
 
242 palkovsky 49
struct cpu_info {
1780 jermar 50
    uint32_t cpuid_eax;
51
    uint32_t cpuid_ebx;
52
    uint32_t cpuid_ecx;
53
    uint32_t cpuid_edx;
242 palkovsky 54
} __attribute__ ((packed));
55
 
56
extern int has_cpuid(void);
57
 
1780 jermar 58
extern void cpuid(uint32_t cmd, cpu_info_t *info);
242 palkovsky 59
 
251 palkovsky 60
 
1780 jermar 61
extern uint64_t rdtsc(void);
242 palkovsky 62
 
275 palkovsky 63
#endif /* __ASM__ */
242 palkovsky 64
#endif
1702 cejka 65
 
1731 jermar 66
/** @}
1702 cejka 67
 */