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