> Begin forwarded message: > > From: Arindam Khan <arindamkhan2...@gmail.com> > Subject: PCIe communication at linux command in grub-core/loader/i386/linux.c > Date: 2 September 2017 at 09:48:40 IST > To: grub-devel@gnu.org > > Hi, > > I have a PCIe 4x card in PCIe slots, which does a communication to card, > before “linux” command is loaded. I had an implementation of PCIe > communication which perfectly works for BIOS based system. However, when i > configure he GRUB2 for EFI system and install it, the same communication to > PCIe board does not occur. It is not able to read/write BAR2 address and > giving communication error. > > > I have following questions in this regard - > a) Is any changes in GRUB2 for UEFi system for PCIe communication > b) TLP packet generated for PCIe communication uses 32-bit or 64-bit > address?. Because BIOS uses 32-bit address only for PCIe TLP. > > with regards, > Arindam
_______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
