On Wed, 21 Jun 2023 at 10:04, 运辉崔 <cuiyunhui@xxxxxxxxxxxxx> wrote: > > Thanks for Ron's suggestions. > > Hi Ard, Mark, > > > > Is there some feeling here that it would be ok to restrict this discussion to risc-v, and not bring in ARM considerations. WDYT? > > > > Hi Ard, Mark, > > Now the coreboot we are using does not support EFI and only supports > one interface DTB. It seems that we have to pass the firmware > information through DTB. > > From another point of view, ACPI and SMBIOS are common modules of the > kernel, not only EFI, but also other interfaces can also be connected > to this module, such as 0xF0000 for SMBIOS, > CONFIG_ACPI_LEGACY_TABLES_LOOKUP for ACPI, this patch is also. > > We just use the DTB channel to add a few nodes to complete the > transfer of firmware information, which does not interfere with DTS > itself. > > We think it is unnecessary to add an ACPI-supporting framework under > the fdt framework we discussed before. We only need one set of ACPI > framework, but one more set will cause unnecessary trouble. > > So, let's move on to this patch, shall we? > How do you intend to provide the ACPI core with the memory attribute information that it needs to access SystemMemory OpRegions?
