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forever-learner
8e2f60b4e7
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2 years ago | |
|---|---|---|
| boot | 2 years ago | |
| fs | 2 years ago | |
| include | 2 years ago | |
| init | 2 years ago | |
| kernel | 2 years ago | |
| lib | 2 years ago | |
| mm | 2 years ago | |
| tools | 2 years ago | |
| Image | 2 years ago | |
| Image.bkp | 2 years ago | |
| Makefile | 2 years ago | |
| README.md | 2 years ago | |
| System.map | 2 years ago | |
| System.map.2 | 2 years ago | |
| execve2.patch | 2 years ago | |
| linux-0.11-lab.zip | 2 years ago | |
| memory.c | 2 years ago | |
| os_exp1.doc | 2 years ago | |
| sys.c | 2 years ago | |
| sys_update.c | 2 years ago | |
README.md
linux_lab_os_exp1
在6.21日实现了sys_getcwd函数，在6.22日实现sys_getdents和sys_sleep，在6.23日实现了sys_execve2 其中sys_getcwd,sys_getdents,sys_sleep 在sys.c中定义，sys_execve2在memory.c中定义； sys_getcwd参照了find_entry的实现方式；sys_getdents和sys_getcwd基本原理相似，没有回溯回根节点的过程而已； sys_sleep的实现就是signal，alarm，pause的混合； sys_execve2模仿sys_execve，在do_execve的基础上加了类似do_no_page的代码；