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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>
This is the gem5 simulator. The main website can be found at http://www.gem5.org A good starting point is http://www.gem5.org/about, and for more information about building the simulator and getting started please see http://www.gem5.org/documentation and http://www.gem5.org/documentation/learning_gem5/introduction. To build gem5, you will need the following software: g++ or clang, Python (gem5 links in the Python interpreter), SCons, zlib, m4, and lastly protobuf if you want trace capture and playback support. Please see http://www.gem5.org/documentation/general_docs/building for more details concerning the minimum versions of these tools. Once you have all dependencies resolved, type 'scons build/<CONFIG>/gem5.opt' where CONFIG is one of the options in build_opts like ARM, NULL, MIPS, POWER, SPARC, X86, Garnet_standalone, etc. This will build an optimized version of the gem5 binary (gem5.opt) with the the specified configuration. See http://www.gem5.org/documentation/general_docs/building for more details and options. The main source tree includes these subdirectories: - build_opts: pre-made default configurations for gem5 - build_tools: tools used internally by gem5's build process. - configs: example simulation configuration scripts - ext: less-common external packages needed to build gem5 - include: include files for use in other programs - site_scons: modular components of the build system - src: source code of the gem5 simulator - system: source for some optional system software for simulated systems - tests: regression tests - util: useful utility programs and files To run full-system simulations, you may need compiled system firmware, kernel binaries and one or more disk images, depending on gem5's configuration and what type of workload you're trying to run. Many of those resources can be downloaded from http://resources.gem5.org, and/or from the git repository here: https://gem5.googlesource.com/public/gem5-resources/ If you have questions, please send mail to gem5-users@gem5.org Enjoy using gem5 and please share your modifications and extensions.