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-   -   How to implement memory mapping between protected mode and real mode? (https://www.linuxquestions.org/questions/linux-newbie-8/how-to-implement-memory-mapping-between-protected-mode-and-real-mode-641804/)

me_too 05-13-2008 01:12 AM
How to implement memory mapping between protected mode and real mode?
 
I had recorded which OS the user selected on the menu and displayed it
in stage2.c in GRUB source code, however, that happens in protected mode. further, I need to assign some memory somewhere in protected mode to save the content ensure that I read them out latter in real-address mode, for example, under DOS ,how to then?


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