tree e1cab49f6ae0f6e292e915f170e2e5bc470991b6
parent c685cfcb7e993b23f369a4fcc0a9aeb62c6a3aa9
author ntampouratzis <ntampouratzis@isc.tuc.gr> 1653424258 +0300
committer Bobby Bruce <bbruce@ucdavis.edu> 1654540932 +0000

arch-riscv,dev: Add PCI Host to RISCV Board

Add GenericRiscvPciHost to RISCV Board. In addition, we connect the IGbE_e1000
ethernet card to PCI in order to verify the correct functionality.

To be noticed that we build a new Linux kernel v5.10 (with Bootloader) according to these steps (
https://github.com/gem5/gem5-resources/tree/stable/src/riscv-fs) adding the the PCI and e1000 drivers:

CONFIG_PCI_SYSCALL=y
CONFIG_PCI_STUB=y
CONFIG_PCI_HOST_GENERIC=y
CONFIG_NET_VENDOR_INTEL=y
CONFIG_E1000=y
CONFIG_E1000E=y
CONFIG_IGB=y
CONFIG_NET_VENDOR_I825XX=y

Here you can find the kernel.config and our prebuild kernel to verify the correct behaviour:
https://www.dropbox.com/scl/fo/sz9s37vybpfecbfilxqzz/h?dl=0&rlkey=klkxh33anjqnzwj3sopucqqzx

You can verify it with the following command:
build/RISCV/gem5.fast configs/example/gem5_library/riscv-fs.py

Dear Jason Lowe-Power,

Thank you for your comments! We have addressed all of them.

Best regards,
Nikolaos Tampouratzis

Dear Jason,

I think that it is ok now! :)

Thanks!

Best regards,
Nikolaos Tampouratzis

Change-Id: Id27d84a5588648b82cbfd5c88471927157ae6759
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/59969
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>