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[PATCH v18 13/13] target/loongarch: Update README
From: |
Song Gao |
Subject: |
[PATCH v18 13/13] target/loongarch: Update README |
Date: |
Mon, 20 Jun 2022 17:34:01 +0800 |
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>
---
target/loongarch/README | 39 +++++++++++++++++++++++++++++++++++++--
1 file changed, 37 insertions(+), 2 deletions(-)
diff --git a/target/loongarch/README b/target/loongarch/README
index 4dcd0f1682..9f5edd10c8 100644
--- a/target/loongarch/README
+++ b/target/loongarch/README
@@ -24,9 +24,9 @@
Download cross-tools.
- wget
https://github.com/loongson/build-tools/releases/latest/download/loongarch64-clfs-20211202-cross-tools.tar.xz
+ wget
https://github.com/loongson/build-tools/releases/download/2022.05.29/loongarch64-clfs-5.0-cross-tools-gcc-full.tar.xz
- tar -vxf loongarch64-clfs-20211202-cross-tools.tar.xz -C /opt
+ tar -vxf loongarch64-clfs-5.0-cross-tools-gcc-full.tar.xz -C /opt
Config cross-tools env.
@@ -60,5 +60,40 @@
./build/qemu-system-loongarch64 -machine virt -m 4G -cpu Loongson-3A5000
-smp 1 -kernel build/tests/tcg/loongarch64-softmmu/hello -monitor none -display
none -chardev file,path=hello.out,id=output -serial chardev:output
+- 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
+
- Note.
We can get the latest LoongArch documents or LoongArch tools at
https://github.com/loongson/
--
2.31.1
- [PATCH v18 00/13] Add LoongArch linux-user emulation support, Song Gao, 2022/06/20
- [PATCH v18 05/13] linux-user: Add LoongArch cpu_loop support, Song Gao, 2022/06/20
- [PATCH v18 06/13] scripts: add loongarch64 binfmt config, Song Gao, 2022/06/20
- [PATCH v18 01/13] linux-user: Add LoongArch generic header files, Song Gao, 2022/06/20
- [PATCH v18 09/13] target/loongarch: Fix helper_asrtle_d/asrtgt_d raise wrong exception, Song Gao, 2022/06/20
- [PATCH v18 07/13] target/loongarch: remove badaddr from CPULoongArch, Song Gao, 2022/06/20
- [PATCH v18 04/13] linux-user: Add LoongArch syscall support, Song Gao, 2022/06/20
- [PATCH v18 03/13] linux-user: Add LoongArch elf support, Song Gao, 2022/06/20
- [PATCH v18 13/13] target/loongarch: Update README,
Song Gao <=
- [PATCH v18 11/13] target/loongarch: Adjust functions and structure to support user-mode, Song Gao, 2022/06/20
- [PATCH v18 02/13] linux-user: Add LoongArch signal support, Song Gao, 2022/06/20
- [PATCH v18 08/13] target/loongarch: Fix missing update CSR_BADV, Song Gao, 2022/06/20
- [PATCH v18 10/13] target/loongarch: remove unused include hw/loader.h, Song Gao, 2022/06/20
- [PATCH v18 12/13] default-configs: Add loongarch linux-user support, Song Gao, 2022/06/20