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Project ACRN hypervisor
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This patch is prepared for enabling secure world feature. this api will create new eptp for secure world, whose PDPT entries are copied form normal world,the PML4/PDPT for secure world are separated from Normal World, PD/PT are shared in the Secure World's EPT and Normal World's EPT.Secure world can access Normal World's memory, but Normal World can not access Secure World's memory This function implemented： -- Unmap specific memory from guest ept mapping -- Copy PDPT from Normal world to Secure world -- Map specific memory for Secure world -- Unmap specific memory from SOS ept mapping Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com> |
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