system/loongarch/virt.rst

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28 The ``qemu-system-loongarch64`` provides emulation for virt
33 ------------
39 (1) Build qemu-system-loongarch64:
41 .. code-block:: bash
43   ./configure --target-list="loongarch64-softmmu"
44   make -j8
48 .. code-block:: bash
50 …wget https://github.com/loongson/build-tools/releases/download/2022.09.06/loongarch64-clfs-6.3-cro…
51   tar -vxf loongarch64-clfs-6.3-cross-tools-gcc-glibc.tar.xz  -C /opt
52   export PATH=/opt/cross-tools/bin:$PATH
53   export LD_LIBRARY_PATH=/opt/cross-tools/lib:$LD_LIBRARY_PATH
54   export LD_LIBRARY_PATH=/opt/cross-tools/loongarch64-unknown-linux-gnu/lib/:$LD_LIBRARY_PATH
56 Note: You need get the latest cross-tools at https://github.com/loongson/build-tools
62 Note: To build the release version of the bios,  set --buildtarget=RELEASE,
67 .. code-block:: bash
69   git clone https://github.com/loongson/linux.git
71   git checkout loongarch-next
72   make ARCH=loongarch CROSS_COMPILE=loongarch64-unknown-linux-gnu- loongson3_defconfig
73   make ARCH=loongarch CROSS_COMPILE=loongarch64-unknown-linux-gnu- -j32
75 Note: The branch of linux source code is loongarch-next.
81   binary files: https://github.com/yangxiaojuan-loongson/qemu-binary
83 .. code-block:: bash
85   git clone https://github.com/yangxiaojuan-loongson/qemu-binary
91 .. code-block:: bash
93   $ ./build/qemu-system-loongarch64 -machine virt -m 4G -cpu la464 \
94       -smp 1 -bios QEMU_EFI.fd -kernel vmlinuz.efi -initrd ramdisk \
95       -serial stdio   -monitor telnet:localhost:4495,server,nowait \
96       -append "root=/dev/ram rdinit=/sbin/init console=ttyS0,115200" \
97       --nographic