linux 安装 gem5

官方文档 https://www.gem5.org/documentation/learning_gem5/part1/building/

ubuntu18.05 版本

sudo apt install build-essential git m4 scons zlib1g zlib1g-dev libprotobuf-dev protobuf-compiler libprotoc-dev libgoogle-perftools-dev python-dev python

最后 编译

scons build/X86/gem5.opt -j <NUMBER OF CPUs ON YOUR PLATFORM>

出现的错误：

1. 权限问题

/tmp/tmpi2synp81: 1: util/cpt_upgrader.py: Permission denied
scons: *** [build/X86/sim/tags.cc] Error 126
scons: building terminated because of errors.

解决: 给该文件权限 777

sudo chmod 777 ./util/cpt_upgrader.py

参考文献

https://yuchen112358.github.io/2016/03/21/gem5-install/