Nigel
13e9beea79
Folders now are alll lower case Started working on the implementation of the Virtual memory manager. Implemented allocate and free page funtionality for as far as I can atm. Implemented the
28 lines
654 B
C
28 lines
654 B
C
#include <stdint.h>
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struct SegmentDescriptor {
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unsigned short limit_low;
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unsigned short base_low;
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unsigned char base_middle;
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unsigned char access;
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unsigned char granularity;
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unsigned char base_high;
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}__attribute__((packed));
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struct GlobalDescriptorTableDescriptor{
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unsigned short limit;
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unsigned int base;
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}__attribute__((packed));
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extern SegmentDescriptor GlobalDescriptorTable[];
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extern GlobalDescriptorTableDescriptor gdtDescriptor;
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void add_descriptor(int which , unsigned long base, unsigned long limit, unsigned char access, unsigned char granularity );
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extern "C" void LoadGlobalDescriptorTable();
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void initGDT();
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