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Arjun_07

How to declare dynamic memory by new in systemC

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Hello everyone,

I am trying to design memory in systemC  , first i tried with regular array it worked perfectly.

sc_uint<32> mem[MEMORY_DEPTH]; bur storing higher no of bytes, regular array is not working.

 

thats why i tried with dynamic allocation of memory by new keyword.

int *mem= new int [MEMORY_DEPTH];

but it produces following errors, can anyone please help me, how to solve this problem.

error: 'new' cannot appear in a constant-expression
error: ISO C++ forbids initialization of member 'mem' [-fpermissive]
error: making 'mem' static [-fpermissive]
error: invalid in-class initialization of static data member of non-integral type 'int*'

 

thanks and regards

Arjun

 

 

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Actually using new is not recommended at all. You should do something like:

std::array<sc_dt::sc_uint<32>, MEMORY_DEPTH> mem;

or (C++11):

std::vector<sc_dt::sc_uint<32>> mem{MEMORY_DEPTH};

As far as I can see you try to initialize mem in-class (during declaration) and this is not allowed in C++. You can do this only in the constructor. And if you need to use new, don't forget to delete.

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