A method and apparatus for initiating secure operations in a
microprocessor system is described. In one embodiment, one initiating
logical processor initiates the process by halting the execution of the
other logical processors, and then loading initialization and secure
virtual machine monitor software into memory. The initiating processor
then loads the initialization software into secure memory for
authentication and execution. The initialization software then
authenticates and registers the secure virtual machine monitor software
prior to secure system operations.