Sys_Critical_Exit

include vmm.inc

mov     eax, Sys_Critical_Exit
VMMCall System_Control
 

Notifies the virtual device that the system is exiting either normally or as a result of a crash. Virtual devices should reset their associated hardware to allow for a return to the state before Windows was started. The virtual device may modify all general registers and flags.

• This message cannot be failed. The virtual device must return carry clear.

This message is sent with interrupts disabled and the virtual device must not enable interrupts while this message is being processed.

The handler for this message must not be in pageable memory, and must not call the Simulate_Int or Exec_Int service.

See Also

Sys_Critical_Exit2, Sys_Critical_Init, Sys_VM_Terminate