This directory contains ports that are no longer actively maintained. 6502/ - Architectural files for the 6502 CPU. c16x/ - Architectural files for the C16x/ST10 uC. Supports lwIP Raw API only. CS8900a Ethernet driver for 16-bit mode. msvc6/ - Architectural files for Microsoft Visual C++ 6.0. rtxc/ - Architectural files for the RTXC operating system. v2pro/ - Architectural files for the Xilinx Virtex-II PRO device with embedded PowerPC 405 Processor. Supports lwIP Raw API only. (requires EDK - http://www.xilinx.com/ise/embedded/edk.htm) coldfire/ - Architectural files for Motorola Coldfire 5272 CPU running under Nucleus OS. Supports DMA and ISRs in ethernet driver. ti_c6711/ - Architectural files for TI TMS320C6000 DSP running under uC/OS-II. Supports lwIP Raw API only. It's done with an 10/100M ethernet daughtercard. [more info at https://sourceforge.net/projects/ucos-lwip-c6x/] Each subdirectory (may) also include: perf.c - Optional file that should be implemented when running performance tests of lwIP. sys.c - Implementation of the operating system emulation layer. include/ - Architectural specific header files. netif/ - Architectural specific network interfaces.