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new: devfs删除文件夹

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fslongjin
2022-09-12 23:56:31 +08:00
parent d60f1a8f80
commit 9f2b080cda
24 changed files with 366 additions and 92 deletions
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kernel/syscall/syscall.h
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@ -15,6 +15,11 @@ extern void ret_from_system_call(void); // 导出从系统调用返回的函数
extern system_call_t system_call_table[MAX_SYSTEM_CALL_NUM];
// 判断系统调用是否来自用户态
#define SYSCALL_FROM_USER(regs) ((regs)->cs & USER_CS)
// 判断系统调用是否来自内核态
#define SYSCALL_FROM_KERNEL(regs) (!SYSCALL_FROM_USER(regs))
/**
* @brief 初始化系统调用模块
*