Hi Ard, Thanks, Chao On 2024/3/15 17:51, Ard Biesheuvel wrote: > On Fri, 15 Mar 2024 at 10:49, Chao Li wrote: >> Hi Gerd, >> >> >> Thanks, >> Chao >> On 2024/3/15 17:33, Gerd Hoffmann wrote: >> >> On Mon, Mar 11, 2024 at 05:39:02PM +0800, Chao Li wrote: >> >> Add a serial port hook library in LoongArchVirt named >> Fdt16550SerialProtHookLib, this library is referenced from ArmVirtPkg. >> >> LoongArch QEMU virtual machine uses register of LOONGARCH_CSR_KS1 to >> transfer serial port base addres from the PEI phase to the DXE phase. >> >> Why use LOONGARCH_CSR_KS1? Can't you simply set PcdSerialRegisterBase? >> >> The LoongArch QEMU PEI stage runs on flash and does not allow set PCD operations(memory have not enabled), so the address can only be transferred through a SAVE register. >> > Then maybe use a HOB instead? Ha, I forgot this way, let's me try. > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#116799): https://edk2.groups.io/g/devel/message/116799 Mute This Topic: https://groups.io/mt/104859892/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-