You set some registers and issue a system call instruction (or an interrupt) and have the kernel code called directly from the trap handler.

你可以设置一些寄存器，并发出一个系统调用指令(或中断)，并由陷阱处理程序直接调用内核代码。

youdao

You set some registers and issue a system call instruction (or an interrupt) and have the kernel code called directly from the trap handler.

你可以设置一些寄存器，并发出一个系统调用指令(或中断)，并由陷阱处理程序直接调用内核代码。

youdao