genldscript.sh

Stellaris Luminary Micro ARM 系列的 Library Source Code.

#!/bin/sh
#******************************************************************************
#
# genldscript.sh - Script to generate a linker script for gcc tools.
#
# Copyright (c) 2006-2007 Luminary Micro, Inc.  All rights reserved.
#
# Software License Agreement
#
# Luminary Micro, Inc. (LMI) is supplying this software for use solely and
# exclusively on LMI's microcontroller products.
#
# The software is owned by LMI and/or its suppliers, and is protected under
# applicable copyright laws.  All rights are reserved.  Any use in violation
# of the foregoing restrictions may subject the user to criminal sanctions
# under applicable laws, as well as to civil liability for the breach of the
# terms and conditions of this license.
#
# THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
# OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
# LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
# CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
#
# This is part of revision 1049 of the Stellaris Driver Library.
#
#******************************************************************************

#
# Default part number is the LMS3101
#
PARTTYPE=LM3S101

#
# Default base address of FLASH is 0x00000000 and SRAM is 0x20000000.
#
declare -i ROBASE=0x00000000
declare -i FlashBase=0x00000000

#
# This integer will hold the size of the flash for the given part.
#
declare -i FlashSize

#
# Default the filename to standalone.ld.
#
FILE="standalone.ld"

#
# Default location of code is to run from FLASH.
#
TEXT_LOAD="FLASH"

#
# Scan the command line arguments.
#
while getopts ":f:r:w:p:" opt
do
    case $opt in
        #
        # -f specifies the name of the output scatter file.
        #
        f)
            FILE=$OPTARG
            ;;

        #
        # -r specifies the read-only base address.
        #
        r)
            ROBASE=$OPTARG
            ;;

        #
        # -p specifies the part number.
        #
        p)
            PARTTYPE=$OPTARG
            ;;

        #
        # All other arugments are invalid.
        #
        \?)
            echo "Usage: genldscript.sh {-f <filename>} {-r <robase}" \
                 "{-p partnum}"
            echo "Where:"
            echo "  -f <filename> specifies the name of the output script" \
                 "file (default is "
            echo "                'standalone.xcl')."
            echo "  -r <robase> specifies the read-only base address" \
                 "(default is '0x00000000')."
            echo "  -p <partnum> specifies the part number (default is" \
                 "'LM3S101')."
            exit
            ;;
    esac
done

#
# Set the Flash and SRAM size based on part.
#
case $PARTTYPE in
    #
    # The LM3S101 has 8 KB of flash and 2 KB of SRAM.
    #
    LM3S101)
        FlashSize=0x00002000
        SRAMSize=0x00000800
        ;;

    #
    # The LM3S102 has 8 KB of flash and 2 KB of SRAM.
    #
    LM3S102)
        FlashSize=0x00002000
        SRAMSize=0x00000800
        ;;

    #
    # The LM3S301 has 16 KB of flash and 2 KB of SRAM.
    #
    LM3S301)
        FlashSize=0x00004000
        SRAMSize=0x00000800
        ;;

    #
    # The LM3S310 has 16 KB of flash and 4 KB of SRAM.
    #
    LM3S310)
        FlashSize=0x00004000
        SRAMSize=0x00001000
        ;;

    #
    # The LM3S315 has 16 KB of flash and 4 KB of SRAM.
    #
    LM3S315)
        FlashSize=0x00004000
        SRAMSize=0x00001000
        ;;

    #
    # The LM3S316 has 16 KB of flash and 4 KB of SRAM.
    #
    LM3S316)
        FlashSize=0x00004000
        SRAMSize=0x00001000
        ;;

    #
    # The LM3S317 has 16 KB of flash and 4 KB of SRAM.
    #
    LM3S317)
        FlashSize=0x00004000
        SRAMSize=0x00001000
        ;;

    #
    # The LM3S328 has 16 KB of flash and 4 KB of SRAM.
    #
    LM3S328)
        FlashSize=0x00004000
        SRAMSize=0x00001000
        ;;

    #
    # The LM3S601 has 32 KB of flash and 8 KB of SRAM.
    #
    LM3S601)
        FlashSize=0x00008000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S610 has 32 KB of flash and 8 KB of SRAM.
    #
    LM3S610)
        FlashSize=0x00008000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S611 has 32 KB of flash and 8 KB of SRAM.
    #
    LM3S611)
        FlashSize=0x00008000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S612 has 32 KB of flash and 8 KB of SRAM.
    #
    LM3S612)
        FlashSize=0x00008000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S613 has 32 KB of flash and 8 KB of SRAM.
    #
    LM3S613)
        FlashSize=0x00008000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S615 has 32 KB of flash and 8 KB of SRAM.
    #
    LM3S615)
        FlashSize=0x00008000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S617 has 32 KB of flash and 8 KB of SRAM.
    #
    LM3S617)
        FlashSize=0x00008000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S618 has 32 KB of flash and 8 KB of SRAM.
    #
    LM3S618)
        FlashSize=0x00008000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S628 has 32 KB of flash and 8 KB of SRAM.
    #
    LM3S628)
        FlashSize=0x00008000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S801 has 64 KB of flash and 8 KB of SRAM.
    #
    LM3S801)
        FlashSize=0x00010000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S811 has 64 KB of flash and 8 KB of SRAM.
    #
    LM3S811)
        FlashSize=0x00010000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S812 has 64 KB of flash and 8 KB of SRAM.
    #
    LM3S812)
        FlashSize=0x00010000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S815 has 64 KB of flash and 8 KB of SRAM.
    #
    LM3S815)
        FlashSize=0x00010000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S817 has 64 KB of flash and 8 KB of SRAM.
    #
    LM3S817)
        FlashSize=0x00010000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S818 has 64 KB of flash and 8 KB of SRAM.
    #
    LM3S818)
        FlashSize=0x00010000
        SRAMSize=0x00002000
        ;;

    #
    # The LM3S828 has 64 KB of flash and 8 KB of SRAM.
    #
    LM3S828)
        FlashSize=0x00010000
        SRAMSize=0x00002000
        ;;
esac

#
# If the .text is located in SRAM 0x20000000 then set the address to SRAM and
# if the .text is located below SRAM then reduce the flash size by the amount
# that the code was offset into FLASH.
#
if [ $ROBASE -ge 536870912 ]
then
    TEXT_LOAD="SRAM"
else
    FlashBase=$ROBASE
    FlashSize="$FlashSize - $ROBASE"
    DataLoad="AT (ADDR(.text) + SIZEOF(.text))"
fi

#
# Generate the FLASH section definition.
#
FLASH_SECTION=`printf "FLASH (rx) : ORIGIN = 0x%08x, LENGTH = 0x%08x" $(( $FlashBase )) $(( $FlashSize ))`

#
# Redirect the rest of the printing of this script to the scatter load file.
#
exec > ${FILE}
echo "/******************************************************************************"
echo " *"
echo " ****************** WARNING THIS FILE IS AUTOMATICALLY GENERATED **************"
echo " ****************** DO NOT MODIFY *********************************************"
echo " *"
echo " * ${FILE##*/} - Scatter file for Gnu tools"
echo " *"
echo " * Copyright (c) 2006-2007 Luminary Micro, Inc.  All rights reserved."
echo " *"
echo " * Software License Agreement"
echo " *"
echo " * Luminary Micro, Inc. (LMI) is supplying this software for use solely and"
echo " * exclusively on LMI's microcontroller products."
echo " *"
echo " * The software is owned by LMI and/or its suppliers, and is protected under"
echo " * applicable copyright laws.  All rights are reserved.  Any use in violation"
echo " * of the foregoing restrictions may subject the user to criminal sanctions"
echo " * under applicable laws, as well as to civil liability for the breach of the"
echo " * terms and conditions of this license."
echo " *"
echo " * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED"
echo " * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF"
echo " * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE."
echo " * LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR"
echo " * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER."
echo " *"
echo " *****************************************************************************/"
echo ""
echo "MEMORY"
echo "{"
echo "    $FLASH_SECTION"
echo "    SRAM (rwx) : ORIGIN = 0x20000000, LENGTH = $SRAMSize"
echo "}"
echo ""
echo "SECTIONS"
echo "{"
echo "    .text :"
echo "    {"
echo "        _text = .;"
echo "        KEEP(*(.isr_vector))"
echo "        *(.text)"
echo "        *(.rodata*)"
echo "        _etext = .;"
echo "    } > $TEXT_LOAD"
echo "    .data : $DataLoad"
echo "    {"
echo "        _data = .;"
echo "        *(vtable)"
echo "        *(.data)"
echo "        _edata = .;"
echo "    } > SRAM"
echo "    .bss :"
echo "    {"
echo "        _bss = .;"
echo "        *(.bss)"
echo "        *(COMMON)"
echo "        _ebss = .;"
echo "    } > SRAM"
echo "}"