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1. Add some information about how to boot the LoongArch virt machine by uefi bios and linux kernel and how to access the source code or binary file. 2. Move the explanation of LoongArch system emulation in the target/loongarch/README to docs/system/loongarch/loongson3.rst Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn> Message-Id: <20220812091957.3338126-1-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
53 lines
1.6 KiB
Plaintext
53 lines
1.6 KiB
Plaintext
- Introduction
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LoongArch is the general processor architecture of Loongson.
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The following versions of the LoongArch core are supported
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core: 3A5000
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https://github.com/loongson/LoongArch-Documentation/releases/download/2021.08.17/LoongArch-Vol1-v1.00-EN.pdf
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We can get the latest loongarch documents at https://github.com/loongson/LoongArch-Documentation/tags.
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- System emulation
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You can reference docs/system/loongarch/loongson3.rst to get the information about system emulation of LoongArch.
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- Linux-user emulation
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We already support Linux user emulation. We can use LoongArch cross-tools to build LoongArch executables on X86 machines,
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and We can also use qemu-loongarch64 to run LoongArch executables.
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1. Config cross-tools env.
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see System emulation.
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2. Test tests/tcg/multiarch.
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./configure --static --prefix=/usr --disable-werror --target-list="loongarch64-linux-user" --enable-debug
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cd build
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make && make check-tcg
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3. Run LoongArch system basic command with loongarch-clfs-system.
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- Config clfs env.
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wget https://github.com/loongson/build-tools/releases/download/2022.05.29/loongarch64-clfs-system-5.0.tar.bz2
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tar -vxf loongarch64-clfs-system-5.0.tar.bz2 -C /opt/clfs
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cp /opt/clfs/lib64/ld-linux-loongarch-lp64d.so.1 /lib64
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export LD_LIBRARY_PATH="/opt/clfs/lib64"
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- Run LoongArch system basic command.
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./qemu-loongarch64 /opt/clfs/usr/bin/bash
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./qemu-loongarch64 /opt/clfs/usr/bin/ls
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./qemu-loongarch64 /opt/clfs/usr/bin/pwd
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- Note.
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We can get the latest LoongArch documents or LoongArch tools at https://github.com/loongson/
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