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qemu/target/loongarch/README

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target/loongarch: Add README This patch gives an introduction to the LoongArch target. Signed-off-by: Song Gao <gaosong@loongson.cn> Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220606124333.2060567-2-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 15:42:51 +03:00
- Introduction
LoongArch is the general processor architecture of Loongson.
The following versions of the LoongArch core are supported
core: 3A5000
https://github.com/loongson/LoongArch-Documentation/releases/download/2021.08.17/LoongArch-Vol1-v1.00-EN.pdf
We can get the latest loongarch documents at https://github.com/loongson/LoongArch-Documentation/tags.
target/loongarch: Add system emulation introduction Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220606124333.2060567-19-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 15:43:08 +03:00
- System emulation
docs/system/loongarch: Update the LoongArch document 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>
2022-08-12 12:19:57 +03:00
You can reference docs/system/loongarch/loongson3.rst to get the information about system emulation of LoongArch.
target/loongarch: Add system emulation introduction Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220606124333.2060567-19-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 15:43:08 +03:00
target/loongarch: Update README Add linux-user emulation introduction Signed-off-by: Song Gao <gaosong@loongson.cn> Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220624031049.1716097-14-gaosong@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-24 06:10:49 +03:00
- Linux-user emulation
We already support Linux user emulation. We can use LoongArch cross-tools to build LoongArch executables on X86 machines,
and We can also use qemu-loongarch64 to run LoongArch executables.
1. Config cross-tools env.
see System emulation.
2. Test tests/tcg/multiarch.
./configure --static --prefix=/usr --disable-werror --target-list="loongarch64-linux-user" --enable-debug
cd build
make && make check-tcg
3. Run LoongArch system basic command with loongarch-clfs-system.
- Config clfs env.
wget https://github.com/loongson/build-tools/releases/download/2022.05.29/loongarch64-clfs-system-5.0.tar.bz2
tar -vxf loongarch64-clfs-system-5.0.tar.bz2 -C /opt/clfs
cp /opt/clfs/lib64/ld-linux-loongarch-lp64d.so.1 /lib64
export LD_LIBRARY_PATH="/opt/clfs/lib64"
- Run LoongArch system basic command.
./qemu-loongarch64 /opt/clfs/usr/bin/bash
./qemu-loongarch64 /opt/clfs/usr/bin/ls
./qemu-loongarch64 /opt/clfs/usr/bin/pwd
target/loongarch: Add system emulation introduction Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220606124333.2060567-19-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 15:43:08 +03:00
- Note.
We can get the latest LoongArch documents or LoongArch tools at https://github.com/loongson/
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