diff options
Diffstat (limited to 'include/asm-x86/required-features.h')
-rw-r--r-- | include/asm-x86/required-features.h | 73 |
1 files changed, 70 insertions, 3 deletions
diff --git a/include/asm-x86/required-features.h b/include/asm-x86/required-features.h index 8b64f3ea2b78..7400d3ad75c6 100644 --- a/include/asm-x86/required-features.h +++ b/include/asm-x86/required-features.h | |||
@@ -1,5 +1,72 @@ | |||
1 | #ifdef CONFIG_X86_32 | 1 | #ifndef _ASM_REQUIRED_FEATURES_H |
2 | # include "required-features_32.h" | 2 | #define _ASM_REQUIRED_FEATURES_H 1 |
3 | |||
4 | /* Define minimum CPUID feature set for kernel These bits are checked | ||
5 | really early to actually display a visible error message before the | ||
6 | kernel dies. Make sure to assign features to the proper mask! | ||
7 | |||
8 | Some requirements that are not in CPUID yet are also in the | ||
9 | CONFIG_X86_MINIMUM_CPU_FAMILY which is checked too. | ||
10 | |||
11 | The real information is in arch/x86/Kconfig.cpu, this just converts | ||
12 | the CONFIGs into a bitmask */ | ||
13 | |||
14 | #ifndef CONFIG_MATH_EMULATION | ||
15 | # define NEED_FPU (1<<(X86_FEATURE_FPU & 31)) | ||
3 | #else | 16 | #else |
4 | # include "required-features_64.h" | 17 | # define NEED_FPU 0 |
18 | #endif | ||
19 | |||
20 | #if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) | ||
21 | # define NEED_PAE (1<<(X86_FEATURE_PAE & 31)) | ||
22 | # define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) | ||
23 | #else | ||
24 | # define NEED_PAE 0 | ||
25 | # define NEED_CX8 0 | ||
26 | #endif | ||
27 | |||
28 | #if defined(CONFIG_X86_CMOV) || defined(CONFIG_X86_64) | ||
29 | # define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31)) | ||
30 | #else | ||
31 | # define NEED_CMOV 0 | ||
32 | #endif | ||
33 | |||
34 | #ifdef CONFIG_X86_USE_3DNOW | ||
35 | # define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31)) | ||
36 | #else | ||
37 | # define NEED_3DNOW 0 | ||
38 | #endif | ||
39 | |||
40 | #ifdef CONFIG_X86_64 | ||
41 | #define NEED_PSE (1<<(X86_FEATURE_PSE & 31)) | ||
42 | #define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) | ||
43 | #define NEED_PGE (1<<(X86_FEATURE_PGE & 31)) | ||
44 | #define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31)) | ||
45 | #define NEED_XMM (1<<(X86_FEATURE_XMM & 31)) | ||
46 | #define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31)) | ||
47 | #define NEED_LM (1<<(X86_FEATURE_LM & 31)) | ||
48 | #else | ||
49 | #define NEED_PSE 0 | ||
50 | #define NEED_MSR 0 | ||
51 | #define NEED_PGE 0 | ||
52 | #define NEED_FXSR 0 | ||
53 | #define NEED_XMM 0 | ||
54 | #define NEED_XMM2 0 | ||
55 | #define NEED_LM 0 | ||
56 | #endif | ||
57 | |||
58 | #define REQUIRED_MASK0 (NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\ | ||
59 | NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\ | ||
60 | NEED_XMM|NEED_XMM2) | ||
61 | #define SSE_MASK (NEED_XMM|NEED_XMM2) | ||
62 | |||
63 | #define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW) | ||
64 | |||
65 | #define REQUIRED_MASK2 0 | ||
66 | #define REQUIRED_MASK3 0 | ||
67 | #define REQUIRED_MASK4 0 | ||
68 | #define REQUIRED_MASK5 0 | ||
69 | #define REQUIRED_MASK6 0 | ||
70 | #define REQUIRED_MASK7 0 | ||
71 | |||
5 | #endif | 72 | #endif |