matos/core/mem.h

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#pragma once
#include "types.h"
#include "stdarg.h"
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#define PAGE_SHIFT 12
#define PAGE_SIZE (1 << PAGE_SHIFT)
// Defined in linker.ld script
extern uint32_t __ld_kernel_begin;
extern uint32_t __ld_kernel_end;
struct mem_desc{
paddr_t phy_addr;
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long ref;
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struct mem_desc *next, *prev;
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};
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int memSetup(paddr_t upperMem, paddr_t *lastUsed);
paddr_t allocPhyPage(void);
int unrefPhyPage(paddr_t addr);
int refPhyPage(paddr_t addr);
unsigned long getNbAllocatedPage(void);