pub fn __get_cpuid_max(leaf: u32) -> (u32, u32)Available on x86-64 only.
Expand description
Returns the EAX and EBX register after calling CPUID with the provided leaf,
with sub_leaf set to 0.
If leaf if 0 or 0x80000000, the first tuple argument contains the maximum
supported basic or extended leaf, respectively.
See also __cpuid and
__cpuid_count.