#pragma once // 保存当前rflags的值到变量x内并关闭中断 #define local_irq_save(x) \ do \ { \ } while (1) // 恢复先前保存的rflags的值x #define local_irq_restore(x) \ do \ { \ } while (1) #define local_irq_disable() cli(); #define local_irq_enable() sti();