Design
eCos was designed for devices with memory size in the tens to hundreds of kilobytes, or with real-time requirements. It can be used on hardware with too little RAM to support embedded Linux, which currently needs a minimum of about 2 MB of RAM, not including application and service needs.
eCos runs on a wide variety of hardware platforms, including ARM, CalmRISC, FR-V, Hitachi H8, IA-32, Motorola 68000, Matsushita AM3x, MIPS, NEC V8xx, Nios II, PowerPC, SPARC, and SuperH.
Included with the eCos distribution is RedBoot, an open source application that uses the eCos Hardware Abstraction Layer to provide bootstrap firmware for embedded systems.
Read more about this topic: ECos
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