Update the README with instruction to build using CLANGDWARF toolchain. Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> Cc: Jiewen Yao <jiewen....@intel.com> Cc: Jordan Justen <jordan.l.jus...@intel.com> Cc: Gerd Hoffmann <kra...@redhat.com> Cc: Andrei Warkentin <andrei.warken...@intel.com>
Signed-off-by: Sunil V L <suni...@ventanamicro.com> Reviewed-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com> --- OvmfPkg/RiscVVirt/README.md | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/OvmfPkg/RiscVVirt/README.md b/OvmfPkg/RiscVVirt/README.md index 950694419e8b..8c3ac37b802a 100644 --- a/OvmfPkg/RiscVVirt/README.md +++ b/OvmfPkg/RiscVVirt/README.md @@ -12,24 +12,46 @@ The minimum QEMU version required is [7efd65423a](https://github.com/qemu/qemu/commit/7efd65423ab22e6f5890ca08ae40c84d6660242f) which supports separate pflash devices for EDK2 code and variable storage. +## Get edk2 sources + + git clone --recurse-submodule g...@github.com:tianocore/edk2.git + ## Build + +### Using GCC toolchain +**Prerequisite**: RISC-V GNU compiler toolchain should be installed. + export WORKSPACE=`pwd` export GCC5_RISCV64_PREFIX=riscv64-linux-gnu- export PACKAGES_PATH=$WORKSPACE/edk2 export EDK_TOOLS_PATH=$WORKSPACE/edk2/BaseTools - source edk2/edksetup.sh + source edk2/edksetup.sh --reconfig make -C edk2/BaseTools source edk2/edksetup.sh BaseTools build -a RISCV64 --buildtarget RELEASE -p OvmfPkg/RiscVVirt/RiscVVirtQemu.dsc -t GCC5 +### Using CLANGDWARF toolchain (clang + lld) +**Prerequisite**: LLVM toolchain with clang and lld should be installed. + + export WORKSPACE=`pwd` + export CLANGDWARF_BIN=/usr/bin/ + export PACKAGES_PATH=$WORKSPACE/edk2 + export EDK_TOOLS_PATH=$WORKSPACE/edk2/BaseTools + source edk2/edksetup.sh --reconfig + make -C edk2/BaseTools + source edk2/edksetup.sh BaseTools + build -a RISCV64 --buildtarget RELEASE -p OvmfPkg/RiscVVirt/RiscVVirtQemu.dsc -t CLANGDWARF + +After a successful build, two files namely **RISCV_VIRT_CODE.fd** and **RISCV_VIRT_VARS.fd** are created. + ## Test Below example shows how to boot openSUSE Tumbleweed E20. 1) RISC-V QEMU pflash devices should be of of size 32MiB. - `truncate -s 32M Build/RiscVVirtQemu/RELEASE_GCC5/FV/RISCV_VIRT_CODE.fd` + `truncate -s 32M RISCV_VIRT_CODE.fd` - `truncate -s 32M Build/RiscVVirtQemu/RELEASE_GCC5/FV/RISCV_VIRT_VARS.fd` + `truncate -s 32M RISCV_VIRT_VARS.fd` 2) Running QEMU -- 2.34.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#106594): https://edk2.groups.io/g/devel/message/106594 Mute This Topic: https://groups.io/mt/99923014/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
