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47 | struct __cpuid_extended_feature_info { |
47 | struct __cpuid_extended_feature_info { |
48 | unsigned sse3 : 1; |
48 | unsigned sse3 : 1; |
49 | unsigned : 31; |
49 | unsigned : 31; |
50 | } __attribute__ ((packed)); |
50 | } __attribute__ ((packed)); |
51 | 51 | ||
52 | typedef union cpuid_extended_feature_info |
52 | typedef union cpuid_extended_feature_info { |
53 | { |
- | |
54 | struct __cpuid_extended_feature_info bits; |
53 | struct __cpuid_extended_feature_info bits; |
55 | uint32_t word; |
54 | uint32_t word; |
56 | }cpuid_extended_feature_info; |
55 | } cpuid_extended_feature_info; |
57 | - | ||
58 | 56 | ||
59 | struct __cpuid_feature_info { |
57 | struct __cpuid_feature_info { |
60 | unsigned : 23; |
58 | unsigned : 23; |
61 | unsigned mmx : 1; |
59 | unsigned mmx : 1; |
62 | unsigned fxsr : 1; |
60 | unsigned fxsr : 1; |
63 | unsigned sse : 1; |
61 | unsigned sse : 1; |
64 | unsigned sse2 : 1; |
62 | unsigned sse2 : 1; |
65 | unsigned : 5; |
63 | unsigned : 5; |
66 | } __attribute__ ((packed)); |
64 | } __attribute__ ((packed)); |
67 | 65 | ||
68 | typedef union cpuid_feature_info |
66 | typedef union cpuid_feature_info { |
69 | { |
- | |
70 | struct __cpuid_feature_info bits; |
67 | struct __cpuid_feature_info bits; |
71 | uint32_t word ; |
68 | uint32_t word; |
72 | }cpuid_feature_info; |
69 | } cpuid_feature_info; |
73 | 70 | ||
74 | 71 | ||
75 | static inline uint32_t has_cpuid(void) |
72 | static inline uint32_t has_cpuid(void) |
76 | { |
73 | { |
77 | uint32_t val, ret; |
74 | uint32_t val, ret; |
Line 98... | Line 95... | ||
98 | } |
95 | } |
99 | 96 | ||
100 | static inline void cpuid(uint32_t cmd, cpu_info_t *info) |
97 | static inline void cpuid(uint32_t cmd, cpu_info_t *info) |
101 | { |
98 | { |
102 | asm volatile ( |
99 | asm volatile ( |
103 | "movl %4, %%eax\n" |
- | |
104 | "cpuid\n" |
100 | "cpuid\n" |
105 | : "=a" (info->cpuid_eax), "=b" (info->cpuid_ebx), "=c" (info->cpuid_ecx), "=d" (info->cpuid_edx) |
101 | : "=a" (info->cpuid_eax), "=b" (info->cpuid_ebx), "=c" (info->cpuid_ecx), "=d" (info->cpuid_edx) |
106 | : "m" (cmd) |
102 | : "a" (cmd) |
107 | ); |
103 | ); |
108 | } |
104 | } |
109 | 105 | ||
110 | #endif |
106 | #endif |
111 | 107 |