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| 164 | palkovsky | 1 | /* |
| 2 | * Copyright (C) 2001-2004 Jakub Jermar |
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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 | |||
| 29 | #ifndef __amd64_CPU_H__ |
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| 30 | #define __amd64_CPU_H__ |
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| 31 | |||
| 1072 | palkovsky | 32 | #define RFLAGS_RF (1 << 16) |
| 251 | palkovsky | 33 | |
| 34 | #define EFER_MSR_NUM 0xc0000080 |
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| 35 | #define AMD_SCE_FLAG 0 |
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| 36 | #define AMD_LME_FLAG 8 |
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| 37 | #define AMD_LMA_FLAG 10 |
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| 38 | #define AMD_FFXSR_FLAG 14 |
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| 39 | #define AMD_NXE_FLAG 11 |
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| 40 | |||
| 803 | palkovsky | 41 | /* MSR registers */ |
| 42 | #define AMD_MSR_STAR 0xc0000081 |
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| 43 | #define AMD_MSR_LSTAR 0xc0000082 |
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| 44 | #define AMD_MSR_SFMASK 0xc0000084 |
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| 1112 | palkovsky | 45 | #define AMD_MSR_FS 0xc0000100 |
| 806 | palkovsky | 46 | #define AMD_MSR_GS 0xc0000101 |
| 803 | palkovsky | 47 | |
| 251 | palkovsky | 48 | #ifndef __ASM__ |
| 49 | |||
| 164 | palkovsky | 50 | #include <typedefs.h> |
| 51 | #include <arch/pm.h> |
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| 52 | |||
| 53 | struct cpu_arch { |
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| 54 | int vendor; |
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| 55 | int family; |
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| 56 | int model; |
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| 57 | int stepping; |
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| 58 | struct tss *tss; |
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| 59 | }; |
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| 60 | |||
| 799 | palkovsky | 61 | struct star_msr { |
| 62 | |||
| 63 | }; |
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| 164 | palkovsky | 64 | |
| 799 | palkovsky | 65 | struct lstar_msr { |
| 66 | |||
| 67 | }; |
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| 68 | |||
| 251 | palkovsky | 69 | extern void set_efer_flag(int flag); |
| 70 | extern __u64 read_efer_flag(void); |
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| 282 | palkovsky | 71 | void cpu_setup_fpu(void); |
| 164 | palkovsky | 72 | |
| 251 | palkovsky | 73 | #endif /* __ASM__ */ |
| 74 | |||
| 164 | palkovsky | 75 | #endif |