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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | #ifndef __amd64_CPU_H__ |
29 | #ifndef __amd64_CPU_H__ |
| 30 | #define __amd64_CPU_H__ |
30 | #define __amd64_CPU_H__ |
| 31 | 31 | ||
| 32 | 32 | ||
| 33 | #define EFER_MSR_NUM 0xc0000080 |
33 | #define EFER_MSR_NUM 0xc0000080 |
| 34 | #define AMD_SCE_FLAG 0 |
34 | #define AMD_SCE_FLAG 0 |
| 35 | #define AMD_LME_FLAG 8 |
35 | #define AMD_LME_FLAG 8 |
| 36 | #define AMD_LMA_FLAG 10 |
36 | #define AMD_LMA_FLAG 10 |
| 37 | #define AMD_FFXSR_FLAG 14 |
37 | #define AMD_FFXSR_FLAG 14 |
| 38 | #define AMD_NXE_FLAG 11 |
38 | #define AMD_NXE_FLAG 11 |
| 39 | 39 | ||
| 40 | /* MSR registers */ |
40 | /* MSR registers */ |
| 41 | #define AMD_MSR_STAR 0xc0000081 |
41 | #define AMD_MSR_STAR 0xc0000081 |
| 42 | #define AMD_MSR_LSTAR 0xc0000082 |
42 | #define AMD_MSR_LSTAR 0xc0000082 |
| 43 | #define AMD_MSR_SFMASK 0xc0000084 |
43 | #define AMD_MSR_SFMASK 0xc0000084 |
| - | 44 | #define AMD_MSR_GS 0xc0000101 |
|
| 44 | 45 | ||
| 45 | #ifndef __ASM__ |
46 | #ifndef __ASM__ |
| 46 | 47 | ||
| 47 | #include <typedefs.h> |
48 | #include <typedefs.h> |
| 48 | #include <arch/pm.h> |
49 | #include <arch/pm.h> |
| 49 | 50 | ||
| 50 | struct cpu_arch { |
51 | struct cpu_arch { |
| 51 | int vendor; |
52 | int vendor; |
| 52 | int family; |
53 | int family; |
| 53 | int model; |
54 | int model; |
| 54 | int stepping; |
55 | int stepping; |
| 55 | struct tss *tss; |
56 | struct tss *tss; |
| 56 | }; |
57 | }; |
| 57 | 58 | ||
| 58 | struct star_msr { |
59 | struct star_msr { |
| 59 | 60 | ||
| 60 | }; |
61 | }; |
| 61 | 62 | ||
| 62 | struct lstar_msr { |
63 | struct lstar_msr { |
| 63 | 64 | ||
| 64 | }; |
65 | }; |
| 65 | 66 | ||
| 66 | extern void set_efer_flag(int flag); |
67 | extern void set_efer_flag(int flag); |
| 67 | extern __u64 read_efer_flag(void); |
68 | extern __u64 read_efer_flag(void); |
| 68 | void cpu_setup_fpu(void); |
69 | void cpu_setup_fpu(void); |
| 69 | 70 | ||
| 70 | #endif /* __ASM__ */ |
71 | #endif /* __ASM__ */ |
| 71 | 72 | ||
| 72 | #endif |
73 | #endif |
| 73 | 74 | ||