ti processor sdk linux am335x evm setup.sh hacking

#!/bin/sh

#
#   ti processor sdk linux am335x evm setup.sh hacking
# 说明：
#     本文主要对TI的sdk中的setup.sh脚本进行解读，是为了了解其工作机制。
# 该文件中主要时调用bin下的脚本。
#
#                                      2016-4-16 深圳 南山平山村 曾剑锋


# This distribution contains contributions or derivatives under copyright
# as follows:
#
# Copyright (c) 2010, Texas Instruments Incorporated
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# - Redistributions of source code must retain the above copyright notice,
#   this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
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#   documentation and/or other materials provided with the distribution.
# - Neither the name of Texas Instruments nor the names of its
#   contributors may be used to endorse or promote products derived
#   from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

entry_header() {
cat << EOF
-------------------------------------------------------------------------------
TISDK setup script
This script will set up your development host for SDK development.
Parts of this script require administrator priviliges (sudo access).
-------------------------------------------------------------------------------
EOF
}

exit_footer() {
cat << EOF
-------------------------------------------------------------------------------
TISDK setup completed!
Please continue reading the Software Developer‘s Guide for more information on
how to develop software on the EVM
-------------------------------------------------------------------------------
EOF
}

cwd=`dirname $0`
# Minimum major Linux version for running add-to-group script
# Ubuntu 最低版本
min_ver_upper=12

# Publish the TISDK setup header
entry_header

# Make sure that the common.sh file exists
if [ -f $cwd/bin/common.sh ]; then
    . $cwd/bin/common.sh
    get_host_type host
    get_major_host_version host_upper
else
    echo "common.sh does not exist in the bin directory"
    exit 1
fi

if [ -f $cwd/bin/setup-host-check.sh ]; then
    $cwd/bin/setup-host-check.sh
    check_status
else
    echo "setup-host-check.sh does not exist in the bin directory"
    exit 1
fi

# Only execute if the Linux version is above 12.xx
if [ "$host_upper" -gt "$min_ver_upper" -o "$host_upper" -eq "$min_ver_upper" ]; then
    if [ -f $cwd/bin/add-to-group.sh ]; then
        $cwd/bin/add-to-group.sh
        check_status
    else
        echo "add-to-group.sh does not exist in the bin directory"
        exit 1
    fi
fi

if [ -f $cwd/bin/setup-package-install.sh ]; then
     $cwd/bin/setup-package-install.sh
     check_status
else
    echo "setup-package-install.sh does not exist in the bin directory"
    exit 1
fi

if [ -f $cwd/bin/setup-targetfs-nfs.sh ]; then
    $cwd/bin/setup-targetfs-nfs.sh
    check_status
else
    echo "setup-targetfs-nfs.sh does not exist in the bin directory"
    exit 1
fi

if [ -f $cwd/bin/setup-tftp.sh ]; then
    $cwd/bin/setup-tftp.sh
    check_status
else
    echo "setup-tftp.sh does not exist in the bin directory"
    exit 1
fi

if [ -f $cwd/bin/setup-minicom.sh ]; then
    $cwd/bin/setup-minicom.sh
    check_status
else
    echo "setup-minicom.sh does not exist in the bin directory"
    exit 1
fi

if [ -f $cwd/bin/setup-uboot-env.sh ]; then
    $cwd/bin/setup-uboot-env.sh
    check_status
else
    echo "setup-uboot-env.sh does not exist in the bin directory"
    exit 1
fi

# Publish the TISDK exit header
exit_footer