From: Daniel Gregory <[email protected]> A new cross-compilation target that has extensions that DPDK uses and QEMU supports. This includes the vector extension V for ... and the Zbc extension for hardware CRC support.
Signed-off-by: Daniel Gregory <[email protected]> --- config/riscv/meson.build | 1 + config/riscv/riscv64_qemu_linux_gcc | 17 +++++++++++++++++ .../linux_gsg/cross_build_dpdk_for_riscv.rst | 5 +++++ 3 files changed, 23 insertions(+) create mode 100644 config/riscv/riscv64_qemu_linux_gcc diff --git a/config/riscv/meson.build b/config/riscv/meson.build index 65ab4b7347..3580d71bf3 100644 --- a/config/riscv/meson.build +++ b/config/riscv/meson.build @@ -45,6 +45,7 @@ vendor_generic = { 'arch_config': { 'generic': {'machine_args': ['-march=rv64gc']}, 'rv64gcv': {'machine_args': ['-march=rv64gcv']}, + 'qemu': {'machine_args': ['-march=rv64gcv_zbc']}, } } diff --git a/config/riscv/riscv64_qemu_linux_gcc b/config/riscv/riscv64_qemu_linux_gcc new file mode 100644 index 0000000000..f1298af8f0 --- /dev/null +++ b/config/riscv/riscv64_qemu_linux_gcc @@ -0,0 +1,17 @@ +[binaries] +c = ['ccache', 'riscv64-linux-gnu-gcc'] +cpp = ['ccache', 'riscv64-linux-gnu-g++'] +ar = 'riscv64-linux-gnu-ar' +strip = 'riscv64-linux-gnu-strip' +pcap-config = '' + +[host_machine] +system = 'linux' +cpu_family = 'riscv64' +cpu = 'rv64gcv_zbc' +endian = 'little' + +[properties] +vendor_id = 'generic' +arch_id = 'qemu' +pkg_config_libdir = '/usr/lib/riscv64-linux-gnu/pkgconfig' diff --git a/doc/guides/linux_gsg/cross_build_dpdk_for_riscv.rst b/doc/guides/linux_gsg/cross_build_dpdk_for_riscv.rst index bcba12a604..1767e7398c 100644 --- a/doc/guides/linux_gsg/cross_build_dpdk_for_riscv.rst +++ b/doc/guides/linux_gsg/cross_build_dpdk_for_riscv.rst @@ -112,6 +112,11 @@ Currently the following targets are supported: * SiFive U740 SoC: ``config/riscv/riscv64_sifive_u740_linux_gcc`` +* QEMU: ``config/riscv/riscv64_qemu_linux_gcc`` + + * A target with all the extensions that QEMU supports that DPDK has a use for + (currently ``rv64gcv_zbc``). Requires QEMU version 7.0.0 or newer. + To add a new target support, ``config/riscv/meson.build`` has to be modified by adding a new vendor/architecture id and a corresponding cross-file has to be added to ``config/riscv`` directory. -- 2.53.0
