HWC_OFF
for (row = 0, hwp = (u_long *)(fb + HWC_OFF),
test = HWC_OFF / HWC_SIZE;
hwp = (u_short *)(fb +HWC_OFF);
((volatile char*)gp->g_fbkva + HWC_OFF);
for (row = 0, hwp = (u_long *)(fb + HWC_OFF),
test = HWC_OFF / HWC_SIZE;
hwp = (u_short *)(fb +HWC_OFF);