Re: [ipxe-devel] [edk2-devel] EfiRom vs. iPXE usability note

2021-02-22 Thread Laszlo Ersek
On 02/19/21 21:12, Michael Brown wrote: > On 19/02/2021 17:33, Laszlo Ersek wrote: >> The PCI Firmware Spec does not seem to specify a particular "checksum >> byte" in the option ROM format, it only seems to state that the bytes in >> the option ROM must sum to zero. >> >> This (apparently) allows

Re: [ipxe-devel] [edk2-devel] EfiRom vs. iPXE usability note

2021-02-19 Thread Michael Brown
On 19/02/2021 17:33, Laszlo Ersek wrote: The PCI Firmware Spec does not seem to specify a particular "checksum byte" in the option ROM format, it only seems to state that the bytes in the option ROM must sum to zero. This (apparently) allows option ROM providers to implement different schemes fo