github.com/u-root/u-root@v7.0.1-0.20200915234505-ad7babab0a8e+incompatible/cmds/core/io/io_linux.go (about)

     1  // Copyright 2010-2020 the u-root Authors. All rights reserved
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package main
     6  
     7  import (
     8  	"github.com/u-root/u-root/pkg/memio"
     9  )
    10  
    11  func init() {
    12  	addCmd(readCmds, "rb", &cmd{memio.Read, 64, 8})
    13  	addCmd(readCmds, "rw", &cmd{memio.Read, 64, 16})
    14  	addCmd(readCmds, "rl", &cmd{memio.Read, 64, 32})
    15  	addCmd(readCmds, "rq", &cmd{memio.Read, 64, 64})
    16  
    17  	addCmd(writeCmds, "wb", &cmd{memio.Write, 64, 8})
    18  	addCmd(writeCmds, "ww", &cmd{memio.Write, 64, 16})
    19  	addCmd(writeCmds, "wl", &cmd{memio.Write, 64, 32})
    20  	addCmd(writeCmds, "wq", &cmd{memio.Write, 64, 64})
    21  
    22  	usageMsg += `io (r{b,w,l,q} address)...
    23  io (w{b,w,l,q} address value)...
    24  `
    25  }