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We currently abort QEMU during the dispatch of an interrupt if we try to set MSR_HV without having MSR_HVB in the msr_mask. I think we should verify this for all MSR bits. There is no reason to ever have a MSR bit set if the corresponding bit is not set in that CPU's msr_mask. Note that this is not about the emulated code setting reserved bits. We clear the new_msr when starting to dispatch an exception, so if we end up with bits not present in the msr_mask that is a QEMU programming error. I kept the HSRR verification for BookS because it is the only CPU family that has HSRRs. Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com> Message-Id: <20220207183036.1507882-4-farosas@linux.ibm.com> Signed-off-by: Cédric Le Goater <clg@kaod.org> |
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