Re: [RISC-V] [tech-tee] TEE proposal for M-mode SMEP/SMAP via PMP
Hello Greg and thanks for your feedback !
Στις 2019-12-21 05:04, Greg Favor έγραψε:
This all looks very good, except for one issue with item 3b: "Adding aGood point, I've updated the document so that writing pmpcfg.L and pmpcfg.X while MML is set is ignored. We could signal this in a different way but I don't think it's worth the complexity. Initially I thought that raising an exception will alert software about the illegal operation it tried to perform but it can simply read back the register to verify that.