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GoMips

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probonopd edited this page Oct 30, 2019 · 7 revisions

Introduction

Go programs can be cross-compiled e.g., on x86/x86_64 build systems to run on MIPS target machines.

Supported architectures

Go supports the following MIPS architectural families. (Are there more?)

Architecture Status GOMIPS value GOARCH value
Big endian (e.g., ar71xx) supported GOMIPS=softfloat GOARCH=mips
Little endian supported n/a GOARCH=mipsle

Supported operating systems

  • MIPS on Linux. Tested with an ar71xx based OpenWrt device.

Recommended Go version

The tested version for running Go on MIPS systems is Go 1.13.

Tips and tricks

Building for ar71xx OpenWrt

This builds a Go program, strips unneeded strings and symbols to minimize its size, and compresses it to further minimize its size:

env GOOS=linux GOARCH=mips GOMIPS=softfloat  go build -trimpath -ldflags="-s -w" 'server.go'
upx -9 server

Success stories

MIPS hardware comes in a myriad of shapes and sizes. If you've had a success story building and running Go on your Arm system, please detail your results here.

D-Link DIR-505 Mobile Companion

Architecture: ar71xx

Operating System: OpenWrt

The D-Link DIR-505 Mobile Companion comes with an Atheros AR1311 processor, 8 MB flash and 64 MB RAM. This space is limited but allows us to load Go applications, e.g., from network into /tmpfs and execute them from there.

Further information about the device can be found at https://openwrt.org/toh/d-link/dir-505.

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