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memory Archive
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Should I use a physical or virtual memory model?
Posted on September 9, 2009 | No CommentsOne of the most important considerations for your OS kernel is memory management. For all but the very simplest of environments, your kernel is going to need memory allocation and deallocation (free) facilities. This, of course, means carving off a “chunk” of memory each time... -
Enabling paging vs. the GDT “wrap around” trick
Posted on August 29, 2009 | 1 CommentWhen writing our standalone code for the OS nucleus or kernel, one of the first problems we have to deal with is the difference between our linked addresses (i.e. the load addresses defined by the linker) versus the actual address we are loaded at by...