On 14/09/2015 19:21, Richard Henderson wrote: >>> About implementing DE in TCG: I really don't think it is easier, but if >>> >> somebody wants to implement it, it would be welcome. >> > >> > Actually I agree that it's easier, and even a partial implementation >> > (e.g. no I/O port breakpoints) would be nice to have because recent >> > Windows IIRC requires DE. > Isn't I/O port breakpoints the only thing we're missing from DE?
I was thinking of the CR4 bit, but it looks like we don't raise #GP at all on writes to unknown CR0 or CR4 bits. Paolo
