Best way to safely check if virtual address exists

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 楼主| kaloulin 发表于 2018-9-9 10:40 | 显示全部楼层 |阅读模式
Hello, I\'m trying to, given a virtual address, quickly check if it exists (if it is mapped) to know if I can access it in a safe way, without generating an exception. I\'m currently using the AT instruction to check if a virtual address exists. Is there an alternative or better way to do this?
Thank you in advance
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