github.com/mvdan/u-root-coreutils@v0.0.0-20230122170626-c2eef2898555/pkg/memio (about) archport_linux.go ioport_linux_386.s ioport_linux_amd64.s memio_ports.go mmap_linux.go mmap_test.go ports.go ports_linux.go ports_linux_test.go ports_plan9.go uintn.go uintn_test.go