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Project ACRN hypervisor
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For ARM, The SMC instruction is used to generate a synchronous exception that is handled by Secure Monitor code running in EL3. In the ARM architecture, synchronous control is transferred between the normal Non-secure state and the Secure state through Secure Monitor Call exceptions. SMC exceptions are generated by the SMC instruction, and handled by the Secure Monitor.The operation of the Secure Monitor is determined by the parameters that are passed in through registers. For ACRN, Hypervisor will simulate SMC by hypercall to switch vCPU State between Normal World and Secure World. There are 4 registers(RDI, RSI, RDX, RBX) reserved for paramters passing between Normal World and Secure World. Signed-off-by: Qi Yadong <yadong.qi@intel.com> |
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Embedded-Hypervisor ################### This open source embedded hypervisor defines a software architecture for running multiple software subsystems managed securely on a consolidated system (by means of a virtual machine manager), and defines a reference framework Device Model implementation for devices emulation This embedded hypervisor is type-1 reference hypervisor, running directly on the system hardware. It can be used for building software defined cockpit (SDC) or In-Vehicle Experience (IVE) solutions running on Intel Architecture Apollo Lake platforms. As a reference implementation, it provides the basis for embedded hypervisor vendors to build solutions with an open source reference I/O mediation solution, and provides auto makers a reference software stack for SDC usage. This embedded hypervisor is able to support both Linux* and Android* as a Guest OS, managed by the hypervisor, where applications can run. This embedded hypervisor is a partitioning hypervisor reference stack, also suitable for non-automotive IoT & embedded device solutions. It will be addressing the gap that currently exists between datacenter hypervisors, hard partitioning hypervisors, and select industrial applications. Extending the scope of this open source embedded hypervisor relies on the involvement of community developers like you!