The host operating system must provide the means to execute a driver in the privileged ring (ring0) and export the means to allocate memory (see Figure 3).
主机操作系统必须提供以特权级别(ring 0)执行驱动程序的方法,并提供分配内存的方法(见图3)。
2
Set "0 hour" on the R. A. and hour graduation ring to the R. A. indicator after loosening the graduation-ring setscrew.
松开赤经兼小时刻度环的定位螺丝后把赤经兼小时刻度环“0小时”位置对准赤经指示箭头。
3
NTLDR then sets up the ring0 mode for the kernel and loads the proper kernel (NTOSKRNL) for the computer.