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1 | #ifndef _ASM_X86_REQUIRED_FEATURES_H |
1 | #ifndef _ASM_X86_REQUIRED_FEATURES_H |
2 | #define _ASM_X86_REQUIRED_FEATURES_H |
2 | #define _ASM_X86_REQUIRED_FEATURES_H |
3 | 3 | ||
4 | /* Define minimum CPUID feature set for kernel These bits are checked |
4 | /* Define minimum CPUID feature set for kernel These bits are checked |
5 | really early to actually display a visible error message before the |
5 | really early to actually display a visible error message before the |
6 | kernel dies. Make sure to assign features to the proper mask! |
6 | kernel dies. Make sure to assign features to the proper mask! |
7 | 7 | ||
8 | Some requirements that are not in CPUID yet are also in the |
8 | Some requirements that are not in CPUID yet are also in the |
9 | CONFIG_X86_MINIMUM_CPU_FAMILY which is checked too. |
9 | CONFIG_X86_MINIMUM_CPU_FAMILY which is checked too. |
10 | 10 | ||
11 | The real information is in arch/x86/Kconfig.cpu, this just converts |
11 | The real information is in arch/x86/Kconfig.cpu, this just converts |
12 | the CONFIGs into a bitmask */ |
12 | the CONFIGs into a bitmask */ |
13 | 13 | ||
14 | #ifndef CONFIG_MATH_EMULATION |
14 | #ifndef CONFIG_MATH_EMULATION |
15 | # define NEED_FPU (1<<(X86_FEATURE_FPU & 31)) |
15 | # define NEED_FPU (1<<(X86_FEATURE_FPU & 31)) |
16 | #else |
16 | #else |
17 | # define NEED_FPU 0 |
17 | # define NEED_FPU 0 |
18 | #endif |
18 | #endif |
19 | 19 | ||
20 | #if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) |
20 | #if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) |
21 | # define NEED_PAE (1<<(X86_FEATURE_PAE & 31)) |
21 | # define NEED_PAE (1<<(X86_FEATURE_PAE & 31)) |
22 | #else |
22 | #else |
23 | # define NEED_PAE 0 |
23 | # define NEED_PAE 0 |
24 | #endif |
24 | #endif |
25 | 25 | ||
26 | #ifdef CONFIG_X86_CMPXCHG64 |
26 | #ifdef CONFIG_X86_CMPXCHG64 |
27 | # define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) |
27 | # define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) |
28 | #else |
28 | #else |
29 | # define NEED_CX8 0 |
29 | # define NEED_CX8 0 |
30 | #endif |
30 | #endif |
31 | 31 | ||
32 | #if defined(CONFIG_X86_CMOV) || defined(CONFIG_X86_64) |
32 | #if defined(CONFIG_X86_CMOV) || defined(CONFIG_X86_64) |
33 | # define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31)) |
33 | # define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31)) |
34 | #else |
34 | #else |
35 | # define NEED_CMOV 0 |
35 | # define NEED_CMOV 0 |
36 | #endif |
36 | #endif |
37 | 37 | ||
38 | #ifdef CONFIG_X86_USE_3DNOW |
38 | #ifdef CONFIG_X86_USE_3DNOW |
39 | # define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31)) |
39 | # define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31)) |
40 | #else |
40 | #else |
41 | # define NEED_3DNOW 0 |
41 | # define NEED_3DNOW 0 |
42 | #endif |
42 | #endif |
43 | 43 | ||
44 | #if defined(CONFIG_X86_P6_NOP) || defined(CONFIG_X86_64) |
44 | #if defined(CONFIG_X86_P6_NOP) || defined(CONFIG_X86_64) |
45 | # define NEED_NOPL (1<<(X86_FEATURE_NOPL & 31)) |
45 | # define NEED_NOPL (1<<(X86_FEATURE_NOPL & 31)) |
46 | #else |
46 | #else |
47 | # define NEED_NOPL 0 |
47 | # define NEED_NOPL 0 |
48 | #endif |
48 | #endif |
49 | 49 | ||
50 | #ifdef CONFIG_X86_64 |
50 | #ifdef CONFIG_X86_64 |
51 | #ifdef CONFIG_PARAVIRT |
51 | #ifdef CONFIG_PARAVIRT |
52 | /* Paravirtualized systems may not have PSE or PGE available */ |
52 | /* Paravirtualized systems may not have PSE or PGE available */ |
53 | #define NEED_PSE 0 |
53 | #define NEED_PSE 0 |
54 | #define NEED_PGE 0 |
54 | #define NEED_PGE 0 |
55 | #else |
55 | #else |
56 | #define NEED_PSE (1<<(X86_FEATURE_PSE) & 31) |
56 | #define NEED_PSE (1<<(X86_FEATURE_PSE) & 31) |
57 | #define NEED_PGE (1<<(X86_FEATURE_PGE) & 31) |
57 | #define NEED_PGE (1<<(X86_FEATURE_PGE) & 31) |
58 | #endif |
58 | #endif |
59 | #define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) |
59 | #define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) |
60 | #define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31)) |
60 | #define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31)) |
61 | #define NEED_XMM (1<<(X86_FEATURE_XMM & 31)) |
61 | #define NEED_XMM (1<<(X86_FEATURE_XMM & 31)) |
62 | #define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31)) |
62 | #define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31)) |
63 | #define NEED_LM (1<<(X86_FEATURE_LM & 31)) |
63 | #define NEED_LM (1<<(X86_FEATURE_LM & 31)) |
64 | #else |
64 | #else |
65 | #define NEED_PSE 0 |
65 | #define NEED_PSE 0 |
66 | #define NEED_MSR 0 |
66 | #define NEED_MSR 0 |
67 | #define NEED_PGE 0 |
67 | #define NEED_PGE 0 |
68 | #define NEED_FXSR 0 |
68 | #define NEED_FXSR 0 |
69 | #define NEED_XMM 0 |
69 | #define NEED_XMM 0 |
70 | #define NEED_XMM2 0 |
70 | #define NEED_XMM2 0 |
71 | #define NEED_LM 0 |
71 | #define NEED_LM 0 |
72 | #endif |
72 | #endif |
73 | 73 | ||
74 | #define REQUIRED_MASK0 (NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\ |
74 | #define REQUIRED_MASK0 (NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\ |
75 | NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\ |
75 | NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\ |
76 | NEED_XMM|NEED_XMM2) |
76 | NEED_XMM|NEED_XMM2) |
77 | #define SSE_MASK (NEED_XMM|NEED_XMM2) |
77 | #define SSE_MASK (NEED_XMM|NEED_XMM2) |
78 | 78 | ||
79 | #define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW) |
79 | #define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW) |
80 | 80 | ||
81 | #define REQUIRED_MASK2 0 |
81 | #define REQUIRED_MASK2 0 |
82 | #define REQUIRED_MASK3 (NEED_NOPL) |
82 | #define REQUIRED_MASK3 (NEED_NOPL) |
83 | #define REQUIRED_MASK4 0 |
83 | #define REQUIRED_MASK4 0 |
84 | #define REQUIRED_MASK5 0 |
84 | #define REQUIRED_MASK5 0 |
85 | #define REQUIRED_MASK6 0 |
85 | #define REQUIRED_MASK6 0 |
86 | #define REQUIRED_MASK7 0 |
86 | #define REQUIRED_MASK7 0 |
- | 87 | #define REQUIRED_MASK8 0 |
|
- | 88 | #define REQUIRED_MASK9 0 |
|
87 | 89 | ||
88 | #endif /* _ASM_X86_REQUIRED_FEATURES_H */(X86_FEATURE_LM><(X86_FEATURE_LM>(X86_FEATURE_XMM2><(X86_FEATURE_XMM2>(X86_FEATURE_XMM><(X86_FEATURE_XMM>(X86_FEATURE_FXSR><(X86_FEATURE_FXSR>(X86_FEATURE_MSR><(X86_FEATURE_MSR>(X86_FEATURE_PGE)><(X86_FEATURE_PGE)>(X86_FEATURE_PSE)><(X86_FEATURE_PSE)>(X86_FEATURE_NOPL><(X86_FEATURE_NOPL>(X86_FEATURE_3DNOW><(X86_FEATURE_3DNOW>(X86_FEATURE_CMOV><(X86_FEATURE_CMOV>(X86_FEATURE_CX8><(X86_FEATURE_CX8>(X86_FEATURE_PAE><(X86_FEATURE_PAE>(X86_FEATURE_FPU><(X86_FEATURE_FPU> |
90 | #endif /* _ASM_X86_REQUIRED_FEATURES_H */(X86_FEATURE_LM><(X86_FEATURE_LM>(X86_FEATURE_XMM2><(X86_FEATURE_XMM2>(X86_FEATURE_XMM><(X86_FEATURE_XMM>(X86_FEATURE_FXSR><(X86_FEATURE_FXSR>(X86_FEATURE_MSR><(X86_FEATURE_MSR>(X86_FEATURE_PGE)><(X86_FEATURE_PGE)>(X86_FEATURE_PSE)><(X86_FEATURE_PSE)>(X86_FEATURE_NOPL><(X86_FEATURE_NOPL>(X86_FEATURE_3DNOW><(X86_FEATURE_3DNOW>(X86_FEATURE_CMOV><(X86_FEATURE_CMOV>(X86_FEATURE_CX8><(X86_FEATURE_CX8>(X86_FEATURE_PAE><(X86_FEATURE_PAE>(X86_FEATURE_FPU><(X86_FEATURE_FPU> |