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实现了打开、关闭、读取文件的功能

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fslongjin
2022-04-27 20:49:10 +08:00
parent 966d67fcde
commit b3ad8405a4
10 changed files with 258 additions and 105 deletions
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7
kernel/process/proc.S
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@ -1,5 +1,12 @@
#include"../common/asm.h"
/**
* @brief 导出内核线程的执行引导程序
* 目的是还原执行现场(在kernel_thread中伪造的)
* 执行到这里时，rsp位于栈顶，然后弹出寄存器值
* 弹出之后还要向上移动7个unsigned long的大小，从而弹出额外的信息（详见pt_regs）
*/
ENTRY(kernel_thread_func)
popq %r15
popq %r14