#ifndef __LIBMEM_H__
#define __LIBMEM_H__

#include <stdint.h>
#include <stdlib.h>

#define GET_BIT(n, b) ((n >> b) & 1)

// Internal mem handlers
typedef void* (*mem_h_read_func)(uint64_t ident, uint64_t addr, void* rawCells);
typedef void (*mem_h_write_func)(uint64_t ident, uint64_t addr, void* rawCells, void* data);

typedef struct {
    mem_h_read_func func;
    uint64_t ident;
} mem_h_read_handler;
typedef struct {
    mem_h_write_func func;
    uint64_t ident;
} mem_h_write_handler;

typedef struct 
{
    void* rawCells;
    void** cells;
    uint64_t smartAddrReadMask;
    uint64_t smartAddrWriteMask;
    mem_h_read_handler* smartAddrReadHandlers;
    mem_h_write_handler* smartAddrWriteHandlers;
    char** memsegNames;
    uint64_t* memsegShifts;
    uint64_t* memreadCellAddrs;
    uint64_t* memwriteCellAddrs;
    uint8_t memreadLen;
    uint8_t memwriteLen;
} device_mem_t;


typedef struct 
{
    uint64_t start;
    uint64_t len;
    uint8_t wordLen;
    char* name;
} memseg_spec_t;


// External handlers
typedef void* (*ext_h_read_func)(uint64_t addr, void* rawCells, void* devContext);
typedef void (*ext_h_write_func)(uint64_t addr, void* rawCells, void* data, void* devContext);

#endif // ifndef __LIBMEM_H__