2018-08-06 18:41:45 +02:00
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#pragma once
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2018-11-09 21:49:23 +01:00
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#include "types.h"
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2018-08-06 21:00:58 +02:00
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#include "stdarg.h"
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2018-08-06 18:41:45 +02:00
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#define PAGE_SHIFT 12
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#define PAGE_SIZE (1 << 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 mem_desc{
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2018-11-09 21:49:23 +01:00
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paddr_t phy_addr;
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2018-11-12 23:01:55 +01:00
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long ref;
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2018-08-09 22:19:34 +02:00
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struct mem_desc *next, *prev;
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2018-08-06 18:41:45 +02:00
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};
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2018-11-11 23:04:23 +01:00
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int memSetup(paddr_t upperMem, paddr_t *lastUsed);
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2018-11-09 21:49:23 +01:00
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paddr_t allocPhyPage(void);
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int unrefPhyPage(paddr_t addr);
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int refPhyPage(paddr_t addr);
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