On Fri, Dec 02, 2022 at 10:05:19AM +1100, Benjamin Herrenschmidt wrote: > This series adds support for MMIO serial ports and auto-configuration > via ACPI SPCR. > > This is necessary for the serial port to work on AWS EC2 "metal" x86 > systems. > > An MMIO serial port can be specified explicitely using the > "mmio," prefix for the --port argument to the 'serial' command, > the register access size can also be specified via a suffix, > and when 'serial' is used without arguments, it will try to use > an ACPI SPCR entry (if any) to add the default port and configure > it appropriately (speed, parity etc...) > > This was tested using SPCR on an actual c5.metal instance, and using > explicit instanciation via serial -p mmioXXXXXXXX on a modified qemu > hacked to create MMIO PCI serial ports.
First of all sorry for very late reply. I sent you my comments. There are some important problems plus some nitpicks which have to be fixed. Though I like the patch set in general. Than you for doing this work. Daniel _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
