25 lines
648 B
C
25 lines
648 B
C
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#include <stddef.h>
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#include <stdint.h>
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#define PAGE_SIZE 4096
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#define PAGES_PER_BUCKET 8
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#define OFFSET_BIT(i) Memory[i / PAGES_PER_BUCKET]
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#define SET_BIT(i) OFFSET_BIT(i) = OFFSET_BIT(i) | (1 << (i % PAGES_PER_BUCKET))
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#define UNSET_BIT(i) OFFSET_BIT(i) = OFFSET_BIT(i) & (~(1 << (i % PAGES_PER_BUCKET)))
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#define READ_BIT(i) ((OFFSET_BIT(i) >> (i % PAGES_PER_BUCKET)) & 0x1)
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#define GET_BUCKET32(i) (*((uint32_t*) (&Memory[i / 32])))
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#define PAGE_ALIGN(addr) (((addr) & 0xFFFFF000) + 0x1000)
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extern size_t end;
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void InitMemoryManager();
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size_t AllocatePage();
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void FreePage(size_t PageNumber);
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size_t FirstFreePage();
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void MemoryTest();
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