27 lines
667 B
C
27 lines
667 B
C
#pragma once
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#include <stddef.h>
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#include "../PreKernel/bootstructure.h"
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#include "../Terminal/kterm.h"
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#include "../Lib/mem.h"
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#include "../bitmap.h"
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// Asumming i386 for now!
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#define BLOCK_SIZE 4092
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#define IS_ALIGNED(addr, align) !((addr) & ~((align) - 1))
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#define ALIGN(addr, align) (((addr) & ~((align) - 1 )) + (align))
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struct PhysicalMemoryManagerInfoBlock
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{
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uint32_t* memoryBitMap;
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size_t pmmap_size;
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size_t max_blocks;
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int used_blocks;
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};
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void SetupPhysicalMemoryManager(BootInfoBlock* memory);
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void free_block(void* ptr);
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void* allocate_block();
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void allocate_region(uint32_t, uint32_t);
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void deallocate_region(uint32_t , uint32_t );
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