Thanks, I will test mm command and let you know the result. Regards,
Heyi On Fri, Apr 13, 2018 at 09:19:53AM +0200, Ard Biesheuvel wrote: > On 13 April 2018 at 04:05, Guo Heyi <heyi....@linaro.org> wrote: > > Hi Ard, > > > > Any comments? > > > > Apologies for the delay. I have been travelling and am behind on email. > > > Anyway we can modify the code if you insist on using an intermediate CPU IO > > address space. > > > > I have not made up my mind yet, to be honest. I agree there is a > certain elegance to merging both translations, but I am concerned that > existing EDK2 code may deal poorly with I/O addresses that require > more than 32 bits to express. > > Did you try the mm command in the shell for instance? As you know, I > recently removed an artificial address range limit there, but I wonder > if it uses 64-bit variables for I/O ports. _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel