MKUBOOTIMAGE(1)         NetBSD General Commands Manual         MKUBOOTIMAGE(1)

NAME
     mkubootimage -- create U-Boot loader image

SYNOPSIS
     mkubootimage [-h] -A (arm|mips|mips64|powerpc) -a address
                  [-C (bz2|gz|lzma|lzo|none)] [-E address] [-e address]
                  [-m magic] -n image [-O (freebsd|linux|netbsd|openbsd)] -T
                  (fs|kernel|ramdisk|standalone) source destination

DESCRIPTION
     The mkubootimage utility is used to create an image for Das U-Boot, the
     "Universal Boot Loader".

     The arguments are as follows:

     -A (arm|mips|mips64|powerpc)
             Defines the architecture.  This is required.

     -a address
             Sets the image load address.  This is an integer between 0 and
             UINT32_MAX.  This is required.

     -C (bz2|gz|lzma|lzo|none)
             Defines the compression.  The default is "none".

     -E address
             Define the entry point.  This is an integer between 0 and
             UINT32_MAX.  This option is the same as -e but it inverts the
             bytes to convert the 32 bit integer from little to big endian (or
             vice versa).  If -E or -e are not set, the entry point defaults
             to the image load address (-a).

     -e address
             Define the entry point.  This is an integer between 0 and
             UINT32_MAX.  If -E or -e are not set, the entry point defaults to
             the image load address (-a).

     -h      Display the usage and exit.

     -m magic
             Set the magic.  This is an integer between 0 and UINT32_MAX.  The
             default is "0x27051956".

     -n image
             Defines the image name.  This is required.

     -O (freebsd|linux|netbsd|openbsd)
             Defines the operating system type.  The default OS name is
             "netbsd".

     -T (fs|kernel|ramdisk|standalone|script)
             Defines the image type.  This is required.

     The required source argument is the filename of the kernel that is read.
     The required destination argument is the filename of the image file that
     is created.

RETURN VALUES
     mkubootimage returns 1 on failure to read the kernel, generate a header,
     or create the image.

EXAMPLES
     Before the image is written, the header is displayed to standard out; for
     example:

      magic:       0x27051956
      time:        Tue Jun  7 15:58:41 2011
      size:        2482203
      load addr:   0x00020000
      entry point: 0x00020000
      data crc:    0x700fdf53
      os:          2 (netbsd)
      arch:        7 (powerpc)
      type:        2 (kernel)
      comp:        1 (gz)
      name:        NetBSD/evbppc 5.99.52 (INSTALL_PMPPC)
      header crc:  0x94ea96cf

SEE ALSO
     "Das U-Boot - the Universal Boot Loader" http://www.denx.de/wiki/U-Boot/

HISTORY
     The mkubootimage command first appeared in NetBSD 6.0.

AUTHORS
     The mkubootimage utility was originally written by Jared D. McNeill.
     This manual page was written by Jeremy C. Reed.

NetBSD 7.1                     December 29, 2012                    NetBSD 7.1

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