1. 根目录:
2. drivers
3. staging
4. xgifb
5. vb_ext.h

#ifndef _VBEXT_
#define _VBEXT_

struct DWORDREGS {
	unsigned long Eax, Ebx, Ecx, Edx, Esi, Edi, Ebp;
};

struct WORDREGS {
	unsigned short  ax, hi_ax, bx, hi_bx, cx, hi_cx, dx, hi_dx, si,
			hi_si, di, hi_di, bp, hi_bp;
};

struct BYTEREGS {
	unsigned char   al, ah, hi_al, hi_ah, bl, bh, hi_bl, hi_bh, cl, ch,
			hi_cl, hi_ch, dl, dh, hi_dl, hi_dh;
};

typedef union _X86_REGS {
	struct  DWORDREGS e;
	struct  WORDREGS x;
	struct  BYTEREGS h;
} X86_REGS, *PX86_REGS;

extern void XGI_GetSenseStatus(struct xgi_hw_device_info *HwDeviceExtension,
			       struct vb_device_info *pVBInfo);
extern unsigned short XGINew_SenseLCD(struct xgi_hw_device_info *,
				      struct vb_device_info *pVBInfo);

#endif