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Add the mostly finished physical memory allocator and expose its
functions to the paging system.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Clean up everything in the i386 arch directory. This code has been in
dire need of refactoring for a long while. All the inline assembly
functions and the data structures related to the architecture should be
placed into their own header file. Now the scheduler can access
registers and ISRs without having to deal with arch-specific code.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Strip the code calling for the memory manager to allocate pages to
kmalloc. The function should just return a raw pointer while a page
fault will allocate the required memory.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Add a simple implementation of kmalloc. This system only works on
x86-based processors at the time of commit.
Signed-off-by: Danny Holman <dholman@gymli.org>
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