What are appropriate directives for array implementation in hls

Question

dear friends,
  I have tried hardware implementation in VivadoHLS by passing arrays to the function in Microblaze based soc. The problem I am facing is that the RTL is not being implemented properly.Though the implementation was success for register inputs and outputs , there were no functions generated in the header files in include directory of pcores through which inputs are to be given to hardware while the input and output arguments are arrays in SDK. i need a help to know the appropriate directives for this implementation . And the functions to be used to give inputs after generating hardware and how the final outputs from the hardware are taken. Please clarify the implementation of this basic example.
void array_add(int z[4],int x[4])
#pragma HLS INTERFACE ap_fifo port=z
#pragma HLS INTERFACE ap_fifo port=x
#pragma HLS RESOURCE variable=z core=AXIS
#pragma HLS RESOURCE variable=x core=AXIS
#pragma HLS RESOURCE variable=return core=AXI4LiteS
int i;
label0:for(i=0;i<4;i++)
z[i]=x[i];
return;
thanks and regards
sasidhar

Answer 1

Hi
There are couple of directives for this. This can determine the way you want to implement your array or partition this.
I found a good guide.
http://users.ece.utexas.edu/~gerstl/ee382v_f14/soc/vivado_hls/VivadoHLS_Improving_Performance.pdf
Hope this helps.
Regards
Sikta