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。
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。
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