1.FreeRTOS porting on OpenRISC

FreeRTOS_OpenRISC.patch patch against FreeRTOS V8.2.0 source directory

unzip FreeRTOSV8.2.0.zip
cd FreeRTOS8.2.0/FreeRTOS/Demo/Source
patch -p0 < openrisc.patch
cd Source

2.LWIP sys_arch port on OpenRISC

LWIP OpenRISC.patch patch against LWIP V1.4.1 ports directory

copy sys_arch.c in lwip/ports into 
lwip/contrib/port/FreeRTOS/OpenRISC in OpenRISC folder.