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Lines 86-91
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| 86 |
"\n\txor %%esi, %%esi" // clear %%esi = result register |
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"\n\txor %%esi, %%esi" // clear %%esi = result register |
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// check if 'cpuid' instructions is available by toggling eflags bit 21 |
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// check if 'cpuid' instructions is available by toggling eflags bit 21 |
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"\n\tpushl %%ebx" |
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"\n\tpushf" // save eflags to stack |
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"\n\tpushf" // save eflags to stack |
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"\n\tpop %%eax" // load eax from stack (with eflags) |
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"\n\tpop %%eax" // load eax from stack (with eflags) |
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"\n\tmovl %%eax, %%ecx" // save the original eflags values to ecx |
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"\n\tmovl %%eax, %%ecx" // save the original eflags values to ecx |
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Lines 130-140
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| 130 |
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"\n\tend:" |
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"\n\tend:" |
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"\n\tpopl %%ebx" |
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"\n\tmov %%esi, %0" |
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"\n\tmov %%esi, %0" |
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| 135 |
: "=rm" (res) |
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: "=rm" (res) |
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: /* no inputs */ |
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: /* no inputs */ |
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: "%edx", "%eax", "%ecx", "%ebx", "%esi" ); |
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: "%edx", "%eax", "%ecx", "%esi" ); |
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return res & ~_dwDisabledISA; |
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return res & ~_dwDisabledISA; |
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#endif |
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#endif |
