diff options
Diffstat (limited to 'include/asm-x86/required-features_32.h')
-rw-r--r-- | include/asm-x86/required-features_32.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/asm-x86/required-features_32.h b/include/asm-x86/required-features_32.h new file mode 100644 index 000000000000..618feb98f9f5 --- /dev/null +++ b/include/asm-x86/required-features_32.h | |||
@@ -0,0 +1,55 @@ | |||
1 | #ifndef _ASM_REQUIRED_FEATURES_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/i386/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)) | ||
16 | #else | ||
17 | # define NEED_FPU 0 | ||
18 | #endif | ||
19 | |||
20 | #ifdef CONFIG_X86_PAE | ||
21 | # define NEED_PAE (1<<(X86_FEATURE_PAE & 31)) | ||
22 | #else | ||
23 | # define NEED_PAE 0 | ||
24 | #endif | ||
25 | |||
26 | #ifdef CONFIG_X86_CMOV | ||
27 | # define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31)) | ||
28 | #else | ||
29 | # define NEED_CMOV 0 | ||
30 | #endif | ||
31 | |||
32 | #ifdef CONFIG_X86_PAE | ||
33 | # define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) | ||
34 | #else | ||
35 | # define NEED_CX8 0 | ||
36 | #endif | ||
37 | |||
38 | #define REQUIRED_MASK0 (NEED_FPU|NEED_PAE|NEED_CMOV|NEED_CX8) | ||
39 | |||
40 | #ifdef CONFIG_X86_USE_3DNOW | ||
41 | # define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31)) | ||
42 | #else | ||
43 | # define NEED_3DNOW 0 | ||
44 | #endif | ||
45 | |||
46 | #define REQUIRED_MASK1 (NEED_3DNOW) | ||
47 | |||
48 | #define REQUIRED_MASK2 0 | ||
49 | #define REQUIRED_MASK3 0 | ||
50 | #define REQUIRED_MASK4 0 | ||
51 | #define REQUIRED_MASK5 0 | ||
52 | #define REQUIRED_MASK6 0 | ||
53 | #define REQUIRED_MASK7 0 | ||
54 | |||
55 | #endif | ||