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| Rev 2079 | Rev 2082 | ||
|---|---|---|---|
| Line 74... | Line 74... | ||
| 74 | 74 | ||
| 75 | static inline uint32_t has_cpuid(void) |
75 | static inline uint32_t has_cpuid(void) |
| 76 | { |
76 | { |
| 77 | uint32_t val, ret; |
77 | uint32_t val, ret; |
| 78 | 78 | ||
| 79 | __asm__ volatile ( |
79 | asm volatile ( |
| 80 | "pushf\n" /* read flags */ |
80 | "pushf\n" /* read flags */ |
| 81 | "popl %0\n" |
81 | "popl %0\n" |
| 82 | "movl %0, %1\n" |
82 | "movl %0, %1\n" |
| 83 | 83 | ||
| 84 | "btcl $21, %1\n" /* swap the ID bit */ |
84 | "btcl $21, %1\n" /* swap the ID bit */ |
| Line 97... | Line 97... | ||
| 97 | return ret; |
97 | return ret; |
| 98 | } |
98 | } |
| 99 | 99 | ||
| 100 | static inline void cpuid(uint32_t cmd, cpu_info_t *info) |
100 | static inline void cpuid(uint32_t cmd, cpu_info_t *info) |
| 101 | { |
101 | { |
| 102 | __asm__ volatile ( |
102 | asm volatile ( |
| 103 | "movl %4, %%eax\n" |
103 | "movl %4, %%eax\n" |
| 104 | "cpuid\n" |
104 | "cpuid\n" |
| 105 | 105 | ||
| 106 | "movl %%eax, %0\n" |
106 | "movl %%eax, %0\n" |
| 107 | "movl %%ebx, %1\n" |
107 | "movl %%ebx, %1\n" |