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Qemu doesn't implement Debug Communication Channel, as well as the rest of external debug interface. However, Microsoft Hyper-V in tries to access some of those registers during an EL2 context switch. Since there is no architectural way to not advertise support for external debug, provide RAZ/WI stubs for OSDTRRX_EL1, OSDTRTX_EL1 and OSECCR_EL1 registers in the same way the rest of DCM is currently done. Do account for access traps though with access_tda. Signed-off-by: Evgeny Iakovlev <eiakovlev@linux.microsoft.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230120155929.32384-3-eiakovlev@linux.microsoft.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org> |
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