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29 | #ifndef __CPUID_H__ |
29 | #ifndef __CPUID_H__ |
30 | #define __CPUID_H__ |
30 | #define __CPUID_H__ |
31 | 31 | ||
32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
33 | 33 | ||
- | 34 | #define AMD_CPUID_EXTENDED 0x80000001 |
|
- | 35 | #define AMD_EXT_NOEXECUTE 20 |
|
- | 36 | ||
34 | struct cpu_info { |
37 | struct cpu_info { |
35 | __u32 cpuid_eax; |
38 | __u32 cpuid_eax; |
36 | __u32 cpuid_ebx; |
39 | __u32 cpuid_ebx; |
37 | __u32 cpuid_ecx; |
40 | __u32 cpuid_ecx; |
38 | __u32 cpuid_edx; |
41 | __u32 cpuid_edx; |
39 | } __attribute__ ((packed)); |
42 | } __attribute__ ((packed)); |
40 | 43 | ||
41 | extern int has_cpuid(void); |
44 | extern int has_cpuid(void); |
42 | 45 | ||
43 | static inline void cpuid(__u32 cmd, cpu_info_t *info) |
46 | extern void cpuid(__u32 cmd, cpu_info_t *info); |
44 | { |
47 | |
45 | __asm__ ( |
- | |
46 | "movl %1, %eax" |
- | |
47 | "cpuid" |
- | |
48 | "movl %eax, 0(%0)" |
- | |
49 | "movl %ebx, 4(%0)" |
- | |
50 | "movl %ecx, 8(%0)" |
- | |
51 | "movl %edx, 12(%0)" |
- | |
52 | : "=m"(info) |
- | |
53 | : "r"(cmd) |
- | |
54 | : "%eax","%ebx","%ecx","%edx" |
- | |
55 | ); |
- | |
56 | } |
- | |
57 | 48 | ||
58 | extern __u64 rdtsc(void); |
49 | extern __u64 rdtsc(void); |
59 | 50 | ||
60 | #endif |
51 | #endif |