blob: 9db866c1e64c4b03bc0e7fc96509ef69e9344f0e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
#ifndef _ASM_REQUIRED_FEATURES_H
#define _ASM_REQUIRED_FEATURES_H 1
/* Define minimum CPUID feature set for kernel These bits are checked
really early to actually display a visible error message before the
kernel dies. Only add word 0 bits here
Some requirements that are not in CPUID yet are also in the
CONFIG_X86_MINIMUM_CPU mode which is checked too.
The real information is in arch/i386/Kconfig.cpu, this just converts
the CONFIGs into a bitmask */
#ifdef CONFIG_X86_PAE
#define NEED_PAE (1<<X86_FEATURE_PAE)
#else
#define NEED_PAE 0
#endif
#ifdef CONFIG_X86_CMOV
#define NEED_CMOV (1<<X86_FEATURE_CMOV)
#else
#define NEED_CMOV 0
#endif
#ifdef CONFIG_X86_CMPXCHG64
#define NEED_CMPXCHG64 (1<<X86_FEATURE_CX8)
#else
#define NEED_CMPXCHG64 0
#endif
#define REQUIRED_MASK1 (NEED_PAE|NEED_CMOV|NEED_CMPXCHG64)
#endif
|
