forked from KolibriOS/kolibrios
39 lines
989 B
C
39 lines
989 B
C
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#ifndef _MEM_H_
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#define _MEM_H_
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#include "types.h"
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#define MAX_MEM_REGIONS 16
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#define errPhysMemNoSuchRegion (errPhysMem + 1) //this physical address is not claimed by any region
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#define errPhysMemInvalidAdr (errPhysMem + 2) //address is IN a region but access to it is not allowed (it doesn't exist really)
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#define errPhysMemInvalidSize (errPhysMem + 3) //access that is not 1, 2 or 4-byte big
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typedef Boolean (*ArmMemAccessF)(void* userData, UInt32 pa, UInt8 size, Boolean write, void* buf);
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typedef struct{
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UInt32 pa;
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UInt32 sz;
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ArmMemAccessF aF;
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void* uD;
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}ArmMemRegion;
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typedef struct{
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ArmMemRegion regions[MAX_MEM_REGIONS];
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}ArmMem;
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void memInit(ArmMem* mem);
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void memDeinit(ArmMem* mem);
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Boolean memRegionAdd(ArmMem* mem, UInt32 pa, UInt32 sz, ArmMemAccessF af, void* uD);
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Boolean memRegionDel(ArmMem* mem, UInt32 pa, UInt32 sz);
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Boolean memAccess(ArmMem* mem, UInt32 addr, UInt8 size, Boolean write, void* buf);
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#endif
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