2018-08-06 18:41:45 +02:00
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#pragma once
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2018-08-06 21:00:58 +02:00
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#include "stdarg.h"
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2020-04-27 00:14:37 +02:00
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#include "types.h"
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2018-08-06 18:41:45 +02:00
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2021-04-10 21:53:03 +02:00
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/** Physical Page related function
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*/
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2019-04-11 22:34:20 +02:00
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#define PAGE_SHIFT 12U
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#define PAGE_SIZE (1U << PAGE_SHIFT)
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2021-10-26 22:08:36 +02:00
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#define PAGE_MASK (PAGE_SIZE - 1)
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2018-08-06 18:41:45 +02:00
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// Defined in linker.ld script
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2023-11-20 00:02:22 +01:00
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extern char __ld_kernel_begin;
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extern char __ld_kernel_end;
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2018-08-06 18:41:45 +02:00
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2021-04-10 21:53:03 +02:00
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struct phyMemDesc {
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2020-04-27 00:14:37 +02:00
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paddr_t phy_addr;
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2021-02-10 21:15:35 +01:00
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unsigned long ref;
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2021-04-10 21:53:03 +02:00
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struct phyMemDesc *next, *prev;
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2018-08-06 18:41:45 +02:00
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};
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2021-04-10 00:24:02 +02:00
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int memSetup(paddr_t upperMem, paddr_t * firstUsed, paddr_t *lastUsed);
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2021-01-23 00:42:09 +01:00
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int memAddBank(paddr_t bottomMem, paddr_t topMem, int isFree);
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2020-08-28 22:38:05 +02:00
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paddr_t allocPhyPage(uint nbPage);
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2018-11-09 21:49:23 +01:00
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int unrefPhyPage(paddr_t addr);
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int refPhyPage(paddr_t addr);
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2018-11-14 14:28:06 +01:00
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unsigned long getNbAllocatedPage(void);
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2021-01-23 21:51:00 +01:00
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void memGetStat(uint *free, uint *used);
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