Rev 2316 | Rev 4016 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2316 | Rev 2317 | ||
|---|---|---|---|
| Line 47... | Line 47... | ||
| 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 | ||