Abstract: The state of an interrupt is identified. An eligibility value corresponding to the interrupt is generated based on the state of the interrupt. The eligibility value is indicative of whether the interrupt should be processed by a first processing path or a second processing path, the second processing path being lower latency than the first processing path, and the second processing path bypassing operations performed in the first processing path. When an interrupt is received at an assembly language processing system, from a hardware device, the assembly language processing system accesses the eligibility value corresponding to the interrupt and routes the interrupt to the first or second processing path based on the eligibility value.

Abstract: User interaction with multiple domains is facilitated while preventing cross-domain transfer of data from those domains. A compositioning domain facilitates this interaction in a secure manner in which cross-domain transfer of data is prevented. This includes obtaining pixel information from the domains via one or more read-only communication paths, providing a user interface to the user, which includes providing a display buffer including at least some of the pixel information obtained from each domain of the domains for display to the user, and maintaining an in-focus domain state. The in-focus domain state indicates which domain of the domains is currently in-focus. User input from the user based on the user interface is provided by a user input handler directly to the currently in-focus domain indicated by the in-focus domain state absent transfer of the user input to the compositioning domain.

Abstract: A method, computer readable medium, and apparatus for securing a processing system includes implementing a virtual machine manager (VMM) using a hardware assisted handler in secure processing apparatus. One or more critical events are monitored with the VMM in the secure processing apparatus. One or more behaviors in response to the one or more monitored critical events are controlled with VMM.