Architecture

armhf

armhf : "arm hard float", the name given to a debian port for arm processors (armv7+) that have hardware floating point support.

$ cat /proc/cpuinfo 
processor       : 0
model name      : ARMv7 Processor rev 2 (v7l)
BogoMIPS        : 995.32
Features        : half thumb fastmult vfp edsp thumbee neon vfpv3 tls

The vfpv3 listed under Features is what refers to the floating point support.

aarch64 == arm64

mipsel == mipsle

LE (小端序)的 mips 指令集架构。

mips 架构分为 hard float / soft float。一些架构 soc (如 MT7621A) 没有 fpu (是浮点处理器)，编译某些程序时必须使用软浮点(即编译出的程序不含浮点指令集)，这些 soc 即为 soft float。