Xilinx Virtex, Spartan, CPLD and ISP PROM devices can be configured using a microprocessor connected to the boundary scan (JTAG) port. The input file format is the industry standard Serial Vector Format (SVF) from the JTAG Programmer tool. See the application note and pre engineered C-code below for details.

 

Application Note	Reference Designs
Xilinx In-System Programming Using an Embedded Microcontroller	PC		Solaris	HP