About the Compilation and Execution of linux.bin

[figuresudo]

We are currently following this tutorial (https://docs.xiangshan.cc/zh-cn/latest/tools/opensbi-kernel-for-xs/) to compile linux.bin. However, when using the emu_defconfig configuration, the output's scale is about ten times larger compared to the linux.bin available in this repository. Specifically, by the time it reaches the paging init instruction, the instruction count has already exceeded tens of millions.

Could you please advise if this behavior is expected or if there might be an issue with our configuration?

[cebarobot]

I think that is expected. The linux in ready-to-run is just a 'minimal' linux workload with a kernel
that disables tons of feature and only runs an simple application software on it.

It's very possible that the defualt config worklaods is much bigger than minimal ones.

[figuresudo]

I understand. However, in the tutorial, the required riscv-linux repository (https://github.com/OpenXiangShan/riscv-linux) only provides the default config. Could you please provide the config file used for compiling in this repository?

[cebarobot]

This legacy tutorial (linux-kernel-for-xs) did use OpenXiangShan/riscv-linux, but in our new tutorial (opensbi-kernel-for-xs) turns to use mainline kernel.

We have not publish our minimal config officially yet. You could try this config, without any guarantee:

minimal_defconfig.txt