Re: [PATCH v2 04/11] tpm_crb: use a single read-as-mem/write-as-mmio mapping

On 7/14/23 03:09, Joelle van Dyne wrote: On Apple Silicon, when Windows performs a LDP on the CRB MMIO space, the exception is not decoded by hardware and we cannot trap the MMIO read. This led to the idea from @agraf to use the same mapping type as ROM devices: namely that reads should be see

[PATCH v2 04/11] tpm_crb: use a single read-as-mem/write-as-mmio mapping

On Apple Silicon, when Windows performs a LDP on the CRB MMIO space, the exception is not decoded by hardware and we cannot trap the MMIO read. This led to the idea from @agraf to use the same mapping type as ROM devices: namely that reads should be seen as memory type and writes should trap as MMI