How to place a variable in eCore in C langugage

Hi, All
I want my FPGA write a signal to each core of epiphany.
So I want to define a variable in my epiphany C code with specific address for FPGA writing
But I don't know how to define this variable in C language.
Anyone could help? Thanks.
I want my FPGA write a signal to each core of epiphany.
So I want to define a variable in my epiphany C code with specific address for FPGA writing
But I don't know how to define this variable in C language.
Anyone could help? Thanks.