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When wrong BAR address is set for pci-vuart, OS may assign a new BAR address to it. Pci-vuart BAR can't be reprogrammed, for its wrong fixed value. That can may because pci_vbar.fixed and pci_vbar.type has overlap in abstraction, pci_vbar.fixed has a confusing name, pci_vbar.type has PCIBAR_MEM64HI which is not really a type of pci BARs. So replace pci_vbar.type with pci_vbar.is_mem64hi, and change pci_vbar.fixed to an union type with new name pci_vbar.bar_type. Tracked-On: #5491 Signed-off-by: Tao Yuhong <yuhong.tao@intel.com>
ACRN Hypervisor ############### The open source `Project ACRN`_ defines a device hypervisor reference stack and an architecture for running multiple software subsystems, managed securely, on a consolidated system by means of a virtual machine manager. It also defines a reference framework implementation for virtual device emulation, called the "ACRN Device Model". The ACRN Hypervisor is a Type 1 reference hypervisor stack, running directly on the bare-metal hardware, and is suitable for a variety of IoT and embedded device solutions. The ACRN hypervisor addresses the gap that currently exists between datacenter hypervisors, and hard partitioning hypervisors. The ACRN hypervisor architecture partitions the system into different functional domains, with carefully selected guest OS sharing optimizations for IoT and embedded devices. You can find out more about Project ACRN on the `Project ACRN documentation`_ website. .. _`Project ACRN`: https://projectacrn.org .. _`ACRN Hypervisor`: https://github.com/projectacrn/acrn-hypervisor .. _`Project ACRN documentation`: https://projectacrn.github.io/