On Wed, Jun 8, 2022 at 10:41 AM David Marchand <david.march...@redhat.com> wrote: > On Tue, May 31, 2022 at 4:14 PM Stanislaw Kardach <k...@semihalf.com> wrote: > > > > This patchset adds support for building and running DPDK on 64bit RISC-V > > architecture. The initial support targets rv64gc (rv64imafdc) ISA and > > was tested on SiFive Unmatched development board with the Freedom U740 > > SoC running Linux (freedom-u-sdk based kernel). > > I have tested this codebase using DPDK unit and perf tests as well as > > test-pmd, l2fwd and l3fwd examples. > > The NIC attached to the DUT was Intel X520-DA2 which uses ixgbe PMD. > > On the UIO side, since U740 does not have an IOMMU, I've used igb_uio, > > uio_pci_generic and vfio-pci noiommu drivers. > > > > Functional verification done using meson tests. fast-tests suite passing > > with > > the default config. > > > > PMD verification done using a Intel x520-DA2 NIC (ixgbe) and the test-pmd > > application. Packet transfer checked using all UIO drivers available for > > non-IOMMU platforms: uio_pci_generic, vfio-pci noiommu and igb_uio. > > > > The i40e PMD driver is disabled on RISC-V as the rv64gc ISA has no vector > > operations. > > > > RISCV support is currently limited to Linux as the time measurement > > frequency > > discovery is tied to reading a device-tree node via procfs. > > > > Clang compilation currently not supported due to issues with missing > > relocation > > relaxation. > > > > Commit 1 introduces EAL and build system support for RISC-V architecture > > as well as documentation updates. > > Commits 2-5 add missing defines and stubs to enable RISC-V operation in > > non-EAL parts. > > Commit 6 adds RISC-V specific cpuflags test. > > Commits 7-8 add RISC-V build testing to test-meson-builds.sh and github CI. > > Overall, the series lgtm. > It did not get much reviews, but the porting is straightforward and > clean enough. > > I'm waiting for some compilation to finish and I will merge it for 22.07-rc1.
Welcome to RISC-V in DPDK! Let's work out the last details in -rc2. Series applied, thanks. -- David Marchand
