kernel-common.tmpl

来自「coldfire MCF5445X基于unix平台的BSP」· TMPL 代码 · 共 237 行

%Build
if [ -n "%{buildsubdir}" ]
then
    rm -f $RPM_BUILD_DIR/linux
    ln -s %{buildsubdir} $RPM_BUILD_DIR/linux
fi
KSRC_DIR=${PKG_KERNEL_PATH_PRECONFIG:-%{_builddir}/%{buildsubdir}}
: ${LINTARCH:?must be set to the kernel architecture name}
: ${BUILDCC:?must be set to the token for your build machines compiler}
: ${PKG_KERNEL_PRECONFIG:?must be set to the name of your .config file}
: ${PLATFORM_PATH:?must be set to your ltib platform path}
: ${KSRC_DIR:?cannot find source directory (PKG_KERNEL_PATH_PRECONFIG)}
cd $KSRC_DIR
KBOUT="$(eval echo $PKG_KERNEL_KBUILD_PRECONFIG)"
KBOUT=${KBOUT:-"."}
if [ "$KBOUT" != '.' ]
then
    export KBUILD_OUTPUT="$KBOUT"
fi
test -d $KBOUT || mkdir -p $KBOUT

case $LINTARCH in
    m68k*)
        KTARG=vmlinux
        ;;
    ppc*)
        KTARG=uImage
        ;;
    powerpc*)
        KTARG=uImage
        ;;
    *)
        KTARG=zImage
        ;;
esac
SYSCFG_KTARG=${SYSCFG_KTARG:-$KTARG}

#
# This section makes sure there is a .config in the kernel build directory
#
for CFG in "$PLATFORM_PATH/${PKG_KERNEL_PRECONFIG}.dev" "$PLATFORM_PATH/$PKG_KERNEL_PRECONFIG" "$KSRC_DIR/arch/$GNUTARCH/configs/$PKG_KERNEL_PRECONFIG" "$KSRC_DIR/arch/$LINTARCH/configs/$PKG_KERNEL_PRECONFIG" notfound
do
   if [ -f $CFG ]
   then
       cp -f $CFG $KBOUT/.config
       break
   fi
done
if [ ! -f $KBOUT/.config ]
then
   echo "Cannot find a config file for the kernel"
   exit 1
fi

if grep -q 'CONFIG_PPC_MERGE=y' $KBOUT/.config
then
    LINTARCH=powerpc
fi

#
# Check for ltib full rebuilds (e.g. change of toolchain) if so
# force a build from scratch
#
if [ -n "$LTIB_FULL_REBUILD" ]
then
    mv $KBOUT/.config $KBOUT/config.tmp
    make ARCH=$LINTARCH CROSS_COMPILE= HOSTCC="$BUILDCC" mrproper
    mv $KBOUT/config.tmp $KBOUT/.config
fi

#
# configure 
#
if [ -n "$PKG_KERNEL_WANT_CF" -o -n "$SCB_WANT_CF" ]
then
    make ARCH=$LINTARCH CROSS_COMPILE= HOSTCC="$BUILDCC" menuconfig 
else
    yes "" | make ARCH=$LINTARCH CROSS_COMPILE= HOSTCC="$BUILDCC" oldconfig
fi
cp -f $KBOUT/.config $PLATFORM_PATH/${PKG_KERNEL_PRECONFIG}.dev

# The first time conf builds, a spurious .config gets made in 
# the source directory, this gets rid of it otherwise the kernel
# will not build complaining that the source tree is not clean
if [ "$KBOUT" != '.' ]
then
    rm -f .config
fi

#
# Make dep only needs to be done for 2.4 kernels
#
if [ "%{kernel_series}" = "2.4" ]
then
    make ARCH=$LINTARCH CROSS_COMPILE= HOSTCC="${BUILDCC}" dep
fi
#
# build the kernel and optionally the modules
#
make ARCH=$LINTARCH CROSS_COMPILE= HOSTCC="$BUILDCC" $SYSCFG_KTARG
if grep -q '^CONFIG_MODULES=' $KBOUT/.config
then
    make ARCH=$LINTARCH CROSS_COMPILE= HOSTCC="$BUILDCC" modules
fi

%Install
KSRC_DIR=${PKG_KERNEL_PATH_PRECONFIG:-%{_builddir}/%{buildsubdir}}
cd $KSRC_DIR
KSRC_DIR="`pwd`"
KBOUT="$(eval echo $PKG_KERNEL_KBUILD_PRECONFIG)"
KBOUT=${KBOUT:-"."}
if [ "$KBOUT" != '.' ]
then
    export KBUILD_OUTPUT="$KBOUT"
fi

if grep -q 'CONFIG_PPC_MERGE=y' $KBOUT/.config
then
    LINTARCH=powerpc
fi
case $LINTARCH in
    m68k*)
        BOOT_KERNEL=vmlinux
        ;;
    ppc)
        BOOT_KERNEL=arch/$LINTARCH/boot/images/uImage
        ;;
    powerpc)
        BOOT_KERNEL=arch/$LINTARCH/boot/uImage
        ;;
    *)
        BOOT_KERNEL=arch/$LINTARCH/boot/zImage
        ;;
esac

rm -rf $RPM_BUILD_ROOT
mkdir -p $RPM_BUILD_ROOT/%{pfx}/boot

cd $KBOUT

SYSCFG_BOOT_KERNEL=${SYSCFG_BOOT_KERNEL:-$BOOT_KERNEL}
if [ -n "$PKG_KERNEL_WANT_OBJCOPY" ]
then
    objcopy -O binary $SYSCFG_BOOT_KERNEL ${SYSCFG_BOOT_KERNEL}.bin
    SYSCFG_BOOT_KERNEL=${SYSCFG_BOOT_KERNEL}.bin
fi

for i in vmlinux System.map $SYSCFG_BOOT_KERNEL
do
    cp $i $RPM_BUILD_ROOT/%{pfx}/boot/
done

# JKM - hack to create m68k uImage -- fix by adding uImage
# target to the guts of the asm/m68k/Makefile bits
if [ "$LINTARCH" = "m68k" ]
then
     mkimage -A m68k -O linux -T kernel -C none -a 0x40020000 -e 0x40020000 -n "Linux Kernel Image" -d $RPM_BUILD_ROOT/%{pfx}/boot/vmlinux.bin $RPM_BUILD_ROOT/%{pfx}/boot/uImage
     SYSCFG_BOOT_KERNEL=$RPM_BUILD_ROOT/%{pfx}/boot/uImage
fi

ln -s `basename $SYSCFG_BOOT_KERNEL` $RPM_BUILD_ROOT/%{pfx}/boot/bootable_kernel
cp .config $RPM_BUILD_ROOT/%{pfx}/boot/linux.config

if grep -q '^CONFIG_MODULES=' .config
then
    make ARCH=$LINTARCH CROSS_COMPILE= HOSTCC="$BUILDCC" DEPMOD=/bin/true INSTALL_MOD_PATH=$RPM_BUILD_ROOT/%{pfx} modules_install
    KERNEL_VER=`ls $RPM_BUILD_ROOT/%{pfx}/lib/modules`
    for i in build source
    do
        rm -f $RPM_BUILD_ROOT/%{pfx}/lib/modules/$KERNEL_VER/$i
        ln -s /usr/src/linux $RPM_BUILD_ROOT/%{pfx}/lib/modules/$KERNEL_VER/$i
    done
fi

# handle the Flat Device Tree build
DTC_PATH=arch/$LINTARCH/boot/dts
if [ "$LINTARCH" = "powerpc" -a -d "$KSRC_DIR/$DTC_PATH" ]
then
   if [ -z $SYSCFG_DTC_NAME ]
   then
      SYSCFG_DTC_NAME=%dtc_name
   fi
   for PER_SYSCFG_DTC_NAME in $SYSCFG_DTC_NAME; do
      DTC_NAME=${PER_SYSCFG_DTC_NAME:-$PLATFORM}
      DTC_LOAD_ADDR=${SYSCFG_DTU_LOAD_ADDR:-0x300000}

      if [ "%dtc_name" != "%%dtc_name" ]
      then
          DTC_NAME=%dtc_name
      fi
      cd $KSRC_DIR/$DTC_PATH
      dtc -f -I dts -O dtb -R 8 -S 0x3000 ${DTC_NAME}.dts > $RPM_BUILD_ROOT/%{pfx}/boot/${DTC_NAME}.dtb
      cd -
      if [ -f "$RPM_BUILD_ROOT/%{pfx}/boot/uImage" ]
      then
          mkimage -A ppc -O Linux -T flat_dt -C none -a $DTC_LOAD_ADDR -e 0 -d $RPM_BUILD_ROOT/%{pfx}/boot/${DTC_NAME}.dtb $RPM_BUILD_ROOT/%{pfx}/boot/${DTC_NAME}.dtu
      fi
   done
fi
if [ -n "$PKG_KERNEL_WANT_HEADERS" ]
then
    mkdir -p $RPM_BUILD_ROOT/%{pfx}/usr/src/linux/include
    for i in asm-${LINTARCH} asm-generic config linux math-emu media mtd net pcmcia rxrpc scsi sound video
    do
        if [ -d $KSRC_DIR/include/$i ]
        then
            cp -a $KSRC_DIR/include/$i $RPM_BUILD_ROOT/%{pfx}/usr/src/linux/include/
        fi
    done

    for i in asm config linux
    do
        if [ -d $KBOUT/include/$i ]
        then
            cp -a $KBOUT/include/$i $RPM_BUILD_ROOT/%{pfx}/usr/src/linux/include/
        fi
    done

    if [ "${LINTARCH}" = "arm" ]
    then
        mkdir -p $RPM_BUILD_ROOT/%{pfx}/usr/src/linux/include/asm/arch
        cp -a $KBOUT/include/asm/arch/* $RPM_BUILD_ROOT/%{pfx}/usr/src/linux/include/asm/arch/
    fi
fi


%Clean
rm -rf $RPM_BUILD_ROOT
if [ -z "$PKG_KERNEL_LEAVESRC" ]
then
    rm -f $RPM_BUILD_DIR/linux
fi

%Files
%defattr(-,root,root)
%{pfx}/*