On Fri, Oct 14, 2016 at 05:28:58PM +0100, Suzuki K Poulose wrote: > On 13/10/16 20:37, Baicar, Tyler wrote: > >On 10/13/2016 2:50 AM, Suzuki K Poulose wrote: > >>Is it always the same endianness as that of the CPU ? > > > >It is a fair assumption that the firmware populating this record will > >use a CPU of the same endianness. There is no mechanism in the spec > >to indicate otherwise. > > Yep, you are right. The EFI expects the EL2/EL1 to be of the same endianness To be clear, it is specifically required in the ACPI spec that elements are in little-endian. Per the ACPI 6.1 spec, page 109: All numeric values in ACPI-defined tables, blocks, and structures are always encoded in little endian format. Given that CPER, HEST, etc are defined within the ACPI specification, they are covered by this requirement. Elements outside of the ACPI spec are not necessarily covered by this requirement, but their specifications should state their endianness. Thanks, Mark. -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
