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868de52f69
HCR_EL2.TID3 requires that AArch32 reads of MVFR[012] are trapped to EL2, and HCR_EL2.TID0 does the same for reads of FPSID. In order to handle this, introduce a new TCG helper function that checks for these control bits before executing the VMRC instruction. Tested with a hacked-up version of KVM/arm64 that sets the control bits for 32bit guests. Backports commit 9ca1d776cb49c09b09579d9edd0447542970c834 from qemu |
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