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37 | __u32 cpuid_ecx; |
37 | __u32 cpuid_ecx; |
38 | __u32 cpuid_edx; |
38 | __u32 cpuid_edx; |
39 | } __attribute__ ((packed)); |
39 | } __attribute__ ((packed)); |
40 | 40 | ||
41 | extern int has_cpuid(void); |
41 | extern int has_cpuid(void); |
42 | extern void cpuid(__u32 cmd, cpu_info_t *info); |
- | |
43 | 42 | ||
- | 43 | static inline void cpuid(__u32 cmd, struct cpu_info *info) |
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- | 44 | { |
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- | 45 | __asm__ volatile ( |
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- | 46 | "movl %4, %%eax\n" |
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44 | extern __u64 rdtsc(void); |
47 | "cpuid\n" |
- | 48 | "movl %%eax,%0\n" |
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- | 49 | "movl %%ebx,%1\n" |
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- | 50 | "movl %%ecx,%2\n" |
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- | 51 | "movl %%edx,%3\n" |
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- | 52 | : "=m" (info->cpuid_eax), "=m" (info->cpuid_ebx), "=m" (info->cpuid_ecx), "=m" (info->cpuid_edx) |
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- | 53 | : "m" (cmd) |
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- | 54 | : "eax", "ebx", "ecx", "edx" |
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- | 55 | ); |
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- | 56 | } |
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45 | 57 | ||
46 | #endif |
58 | #endif |