[OpenWrt Wiki] Raspberry Pi
https://openwrt.org/toh/raspberry_pi_foundation/raspberry_piRaspberry Pi The Raspberry Pi is a single-board computer without an Ethernet Network Switch. There are many more Single-board computers without one. Raspberry Pi 1 and Zero support only soft-float (armel) which is slower than hard-float. Raspberry Pi 2 and 3 is compiled with the ARM hard-float kernel ABI (armhf), this means that non-integer math is done in hardware instead of in …