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pull-loongarch-20230303
-----BEGIN PGP SIGNATURE----- iLMEAAEIAB0WIQS4/x2g0v3LLaCcbCxAov/yOSY+3wUCZAFb5wAKCRBAov/yOSY+ 35hmA/sHIGXU5zQV6p6DBILFGEE6x91sPtV8WKY3zujVY0hsfD4SF6bKTaKJYisZ EztZZ5/EunQcu/vfgO46YtYysEWzrzGiinbZ5lAjxk6sdlBYlfcTQLAQEEW3zPbP qB3SiiGmGQ0iYFHIlkyi1tCF5OEmqqQKrHYrNVk6cGBoJle2PA== =giPH -----END PGP SIGNATURE----- Merge tag 'pull-loongarch-20230303' of https://gitlab.com/gaosong/qemu into staging pull-loongarch-20230303 # -----BEGIN PGP SIGNATURE----- # # iLMEAAEIAB0WIQS4/x2g0v3LLaCcbCxAov/yOSY+3wUCZAFb5wAKCRBAov/yOSY+ # 35hmA/sHIGXU5zQV6p6DBILFGEE6x91sPtV8WKY3zujVY0hsfD4SF6bKTaKJYisZ # EztZZ5/EunQcu/vfgO46YtYysEWzrzGiinbZ5lAjxk6sdlBYlfcTQLAQEEW3zPbP # qB3SiiGmGQ0iYFHIlkyi1tCF5OEmqqQKrHYrNVk6cGBoJle2PA== # =giPH # -----END PGP SIGNATURE----- # gpg: Signature made Fri 03 Mar 2023 02:31:03 GMT # gpg: using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF # gpg: Good signature from "Song Gao <m17746591750@163.com>" [unknown] # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: B8FF 1DA0 D2FD CB2D A09C 6C2C 40A2 FFF2 3926 3EDF * tag 'pull-loongarch-20230303' of https://gitlab.com/gaosong/qemu: hw/loongarch/virt: add system_powerdown hmp command support target/loongarch: Implement Chip Configuraiton Version Register(0x0000) docs/system/loongarch: update loongson3.rst and rename it to virt.rst loongarch: Add smbios command line option. hw/loongarch/virt: rename PCH_PIC_IRQ_OFFSET with VIRT_GSI_BASE Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
commit
bfbcaae963
8 changed files with 70 additions and 73 deletions
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@ -19,14 +19,14 @@ The ``virt`` machine supports:
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- Fw_cfg device
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- PCI/PCIe devices
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- Memory device
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- CPU device. Type: la464-loongarch-cpu.
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- CPU device. Type: la464.
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CPU and machine Type
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--------------------
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The ``qemu-system-loongarch64`` provides emulation for virt
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machine. You can specify the machine type ``virt`` and
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cpu type ``la464-loongarch-cpu``.
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cpu type ``la464``.
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Boot options
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------------
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@ -35,95 +35,74 @@ We can boot the LoongArch virt machine by specifying the uefi bios,
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initrd, and linux kernel. And those source codes and binary files
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can be accessed by following steps.
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(1) booting command:
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(1) Build qemu-system-loongarch64:
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.. code-block:: bash
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$ qemu-system-loongarch64 -machine virt -m 4G -cpu la464-loongarch-cpu \
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-smp 1 -bios QEMU_EFI.fd -kernel vmlinuz.efi -initrd initrd.img \
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-append "root=/dev/ram rdinit=/sbin/init console=ttyS0,115200" \
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--nographic
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Note: The running speed may be a little slow, as the performance of our
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qemu and uefi bios is not perfect, and it is being fixed.
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(2) cross compiler tools:
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.. code-block:: bash
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wget https://github.com/loongson/build-tools/releases/download/ \
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2022.05.29/loongarch64-clfs-5.0-cross-tools-gcc-full.tar.xz
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tar -vxf loongarch64-clfs-5.0-cross-tools-gcc-full.tar.xz
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(3) qemu compile configure option:
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.. code-block:: bash
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./configure --disable-rdma --disable-pvrdma --prefix=usr \
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./configure --disable-rdma --disable-pvrdma --prefix=/usr \
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--target-list="loongarch64-softmmu" \
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--disable-libiscsi --disable-libnfs --disable-libpmem \
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--disable-glusterfs --enable-libusb --enable-usb-redir \
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--disable-opengl --disable-xen --enable-spice \
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--enable-debug --disable-capstone --disable-kvm \
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--enable-profiler
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make
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make -j8
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(4) uefi bios source code and compile method:
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(2) Set cross tools:
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.. code-block:: bash
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git clone https://github.com/loongson/edk2-LoongarchVirt.git
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wget https://github.com/loongson/build-tools/releases/download/2022.09.06/loongarch64-clfs-6.3-cross-tools-gcc-glibc.tar.xz
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cd edk2-LoongarchVirt
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tar -vxf loongarch64-clfs-6.3-cross-tools-gcc-glibc.tar.xz -C /opt
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git submodule update --init
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export PATH=/opt/cross-tools/bin:$PATH
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export LD_LIBRARY_PATH=/opt/cross-tools/lib:$LD_LIBRARY_PATH
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export LD_LIBRARY_PATH=/opt/cross-tools/loongarch64-unknown-linux-gnu/lib/:$LD_LIBRARY_PATH
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export PATH=$YOUR_COMPILER_PATH/bin:$PATH
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Note: You need get the latest cross-tools at https://github.com/loongson/build-tools
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export WORKSPACE=`pwd`
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(3) Build BIOS:
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export PACKAGES_PATH=$WORKSPACE/edk2-LoongarchVirt
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See: https://github.com/tianocore/edk2-platforms/tree/master/Platform/Loongson/LoongArchQemuPkg#readme
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export GCC5_LOONGARCH64_PREFIX=loongarch64-unknown-linux-gnu-
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Note: To build the release version of the bios, set --buildtarget=RELEASE,
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the bios file path: Build/LoongArchQemu/RELEASE_GCC5/FV/QEMU_EFI.fd
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edk2-LoongarchVirt/edksetup.sh
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make -C edk2-LoongarchVirt/BaseTools
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build --buildtarget=DEBUG --tagname=GCC5 --arch=LOONGARCH64 --platform=OvmfPkg/LoongArchQemu/Loongson.dsc
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build --buildtarget=RELEASE --tagname=GCC5 --arch=LOONGARCH64 --platform=OvmfPkg/LoongArchQemu/Loongson.dsc
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The efi binary file path:
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Build/LoongArchQemu/DEBUG_GCC5/FV/QEMU_EFI.fd
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Build/LoongArchQemu/RELEASE_GCC5/FV/QEMU_EFI.fd
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(5) linux kernel source code and compile method:
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(4) Build kernel:
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.. code-block:: bash
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git clone https://github.com/loongson/linux.git
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export PATH=$YOUR_COMPILER_PATH/bin:$PATH
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cd linux
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export LD_LIBRARY_PATH=$YOUR_COMPILER_PATH/lib:$LD_LIBRARY_PATH
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export LD_LIBRARY_PATH=$YOUR_COMPILER_PATH/loongarch64-unknown-linux-gnu/lib/:$LD_LIBRARY_PATH
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git checkout loongarch-next
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make ARCH=loongarch CROSS_COMPILE=loongarch64-unknown-linux-gnu- loongson3_defconfig
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make ARCH=loongarch CROSS_COMPILE=loongarch64-unknown-linux-gnu-
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make ARCH=loongarch CROSS_COMPILE=loongarch64-unknown-linux-gnu- install
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make ARCH=loongarch CROSS_COMPILE=loongarch64-unknown-linux-gnu- modules_install
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make ARCH=loongarch CROSS_COMPILE=loongarch64-unknown-linux-gnu- -j32
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Note: The branch of linux source code is loongarch-next.
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the kernel file: arch/loongarch/boot/vmlinuz.efi
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(6) initrd file:
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(5) Get initrd:
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You can use busybox tool and the linux modules to make a initrd file. Or you can access the
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binary files: https://github.com/yangxiaojuan-loongson/qemu-binary
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.. code-block:: bash
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git clone https://github.com/yangxiaojuan-loongson/qemu-binary
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Note: the initrd file is ramdisk
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(6) Booting LoongArch:
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.. code-block:: bash
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$ ./build/qemu-system-loongarch64 -machine virt -m 4G -cpu la464 \
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-smp 1 -bios QEMU_EFI.fd -kernel vmlinuz.efi -initrd ramdisk \
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-serial stdio -monitor telnet:localhost:4495,server,nowait \
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-append "root=/dev/ram rdinit=/sbin/init console=ttyS0,115200" \
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--nographic
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