freebsd-dev/sys/dev/cpuctl
Andriy Gapon e21e29d716 cpuctl_do_cpuid: explicitly use ecx=0 for cpuid call
... instead of whatever random value may happen to be in the register.
ecx is important to some cpuid leaves.

To do: extend cpuctl interface to provide for ecx value parameter.

MFC after:	5 days
2012-11-04 13:46:28 +00:00
..
cpuctl.c