25 lines
605 B
C
25 lines
605 B
C
#pragma once
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#include "stdarg.h"
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#include "types.h"
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#define PAGE_SHIFT 12U
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#define PAGE_SIZE (1U << PAGE_SHIFT)
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// Defined in linker.ld script
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extern uint32_t __ld_kernel_begin;
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extern uint32_t __ld_kernel_end;
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struct memDesc {
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paddr_t phy_addr;
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unsigned long ref;
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struct memDesc *next, *prev;
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};
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int memSetup(paddr_t upperMem, paddr_t *lastUsed);
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int memAddBank(paddr_t bottomMem, paddr_t topMem, int isFree);
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paddr_t allocPhyPage(uint nbPage);
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int unrefPhyPage(paddr_t addr);
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int refPhyPage(paddr_t addr);
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unsigned long getNbAllocatedPage(void);
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void memGetStat(uint *free, uint *used);
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