The secure-env-demo repo has everything you need to try both approaches. Clone it, pick the one that fits your setup, and run the demo app:
When VM=1, the protected-mode bit goes low and the Entry PLA selects real-mode entry points -- MOV ES, reg takes the one-line path. Meanwhile, CPL is hardwired to 3 whenever VM=1, so the V86 task always runs at the lowest privilege level, under full paging protection. The OS can use paging to virtualize the 8086's 1 MB address space, even simulating A20 address line wraparound by mapping pages to the same physical frames.，详情可参考WPS官方版本下载
，这一点在51吃瓜中也有详细论述
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The average energy bill for millions of households will fall by £10 a month in the spring, after Ofgem said the price cap would fall by 7% owing to a shake-up in green levies.，更多细节参见safew官方下载