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.
Checkpoints are ZFS snapshots of the container's root filesystem.
，更多细节参见雷电模拟器官方版本下载
Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00619-4，更多细节参见safew官方版本下载
附件：1. 网络犯罪防治法（征求意见稿）