64位关闭写保护

64位关闭写保护

KIRQL  WPOFFx64()
{
    KIRQL  irql = KeRaiseIrqlToDpcLevel();
    UINT64  cr0 = __readcr0();
    cr0 &= 0xfffffffffffeffff;
    _disable();
    __writecr0(cr0);
    return  irql;
}

void  WPONx64(KIRQL  irql)
{
    UINT64  cr0 = __readcr0();
    cr0 |= 0x10000;
    _enable();
    __writecr0(cr0);
    KeLowerIrql(irql);
}