Lines 146-153
Link Here
|
146 |
if (cpu_high < 0x15) |
146 |
if (cpu_high < 0x15) |
147 |
return (false); |
147 |
return (false); |
148 |
do_cpuid(0x15, regs); |
148 |
do_cpuid(0x15, regs); |
149 |
if (regs[0] == 0 || regs[1] == 0 || regs[2] == 0) |
149 |
if (regs[0] == 0 || regs[1] == 0 || regs[2] == 0) { |
|
|
150 |
if (cpu_high >= 0x16) { |
151 |
u_int freq_regs[4]; |
152 |
do_cpuid(0x16, freq_regs); |
153 |
tsc_freq = (uint64_t) freq_regs[0] * 1000000; |
154 |
return (true); |
155 |
} |
150 |
return (false); |
156 |
return (false); |
|
|
157 |
} |
151 |
tsc_freq = (uint64_t)regs[2] * regs[1] / regs[0]; |
158 |
tsc_freq = (uint64_t)regs[2] * regs[1] / regs[0]; |
152 |
return (true); |
159 |
return (true); |
153 |
} |
160 |
} |