linux kernel struct 之 kernel_vm86_regs

linux-4.9.37/arch/x86/include/asm/vm86.h

用于保存VM86模式下的寄存器状态的结构体。

struct kernel_vm86_regs {
/*
 * normal regs, with special meaning for the segment descriptors..
 */
    struct pt_regs pt;
/*
 * these are specific to v86 mode:
 */
    unsigned short es, __esh;
    unsigned short ds, __dsh;
    unsigned short fs, __fsh;
    unsigned short gs, __gsh;
};