# Chapter 4: Traps and System Calls 注释:该内容基于原版课程的textbook和源代码,在大模型辅助翻译的基础上进行的整理。 ```{toctree} :maxdepth: 1 0-intro.md 1-RISC-V_trap_machinery.md 2-Traps_from_user_space.md 3-Code_Calling_system_calls.md 4-Code_system_call_arguments_1.md 4-Code_system_call_arguments_2.md 5-Traps_from_kernel_space.md 6-Page-fault exceptions.md 7-Real-world.md registers.md