宿主机：ubuntu 20.04
安装qemu-system-riscv64和qemu-system-riscv32
sudo apt install qemu-system-misc
查看环境
$ qemu-system-riscv32 --version
QEMU emulator version 4.2.1 (Debian 1:4.2-3ubuntu6.19)
Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers
$ qemu-system-riscv64 --version
QEMU emulator version 4.2.1 (Debian 1:4.2-3ubuntu6.19)
Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers
安装risc-v工具链
sudo apt intall gcc-9-riscv64-linux-gnu \
gcc-9-riscv64-linux-gnu-base gcc-riscv64-linux-gnu
查看环境
$ riscv64-linux-gnu-gcc --version
riscv64-linux-gnu-gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
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