Bicycle User Manual

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20
AMD IOMMU
•in DomU OS not loaded at address 0
•Xen: direct access to memory difficult-->corruption
•
hypervisor intervenes in I/O, apply translation-->overhead
•solutions:
•
rewrite graphics driver ?
•
HW to support IOMMU
•AMD IOMMU -provides isolation and memory protection
•IOMMU: device remap address accessed by HW,