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