28 lines
625 B
C++
28 lines
625 B
C++
#pragma once
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#include <stdint.h>
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extern "C" void loadPageDirectory (uint32_t* addr );
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extern "C" void enablePaging();
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typedef uintptr_t address_t;
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#define KB 1024
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static const int MAX_PAGES = 1024 * KB; // 4GB , 4kB/page
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static volatile address_t pmem_stack[MAX_PAGES];
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static volatile address_t pmem_stack_top = MAX_PAGES; // top down allocation
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struct page_directory_entry {};
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struct page_table_entry{};
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class PageDirectory {
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public:
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void enable ();
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private:
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uint32_t page_directory[1024] __attribute__((aligned(4096)));
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uint32_t first_page_table[1024] __attribute__((aligned(4096)));
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}; |