kernel.bbclass: Simplify the current external module code

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 21 insertions, 45 deletions

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 0de4dfbef0..b8bff3e565 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -83,13 +83,19 @@ kernel_do_compile() {
 }
 
 kernel_do_install() {
+        #
+        # First install the modules
+        #
         unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
         if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
                 oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
         else
                 oenote "no modules to install"
         fi
-        
+
+        #
+        # Install various kernel output (zImage, map file, config, module support files)
+        #       
         install -d ${D}/${KERNEL_IMAGEDEST}
         install -d ${D}/boot
         install -m 0644 ${KERNEL_OUTPUT} ${D}/${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}
@@ -101,23 +107,16 @@ kernel_do_install() {
         if [ "${KERNEL_MAJOR_VERSION}" = "2.6" ]; then
                 install -d ${D}/etc/modprobe.d
         fi
-        
-        # Check if scripts/genksyms exists and if so, build it
-        if [ -e scripts/genksyms/ ]; then
-                oe_runmake SUBDIRS="scripts/genksyms"
-        fi
 
-        kerneldir=${D}/kernel/
 
-        if [ -e include/asm ] ; then
-                # This link is generated only in kernel before 2.6.33-rc1, don't stage it for newer kernels
-                ASMDIR=`readlink include/asm`
 
-                mkdir -p $kerneldir/include/$ASMDIR
-                cp -fR include/$ASMDIR/* $kerneldir/include/$ASMDIR/
-        fi
+        #
+        # Support for external module building - create a minimal copy of the kernel source tree
+        #
+        kerneldir=${D}/kernel/
 
-        # Kernel 2.6.27 moved headers from includes/asm-${ARCH} to arch/${ARCH}/include/asm     
+        # Take care of arch specific headers    
+        # Kernel 2.6.27 moved headers from includes/asm-${ARCH} to arch/${ARCH}/include/asm
         if [ -e arch/${ARCH}/include/asm/ ] ; then 
                 if [ -e include/asm ] ; then
                         cp -fR arch/${ARCH}/include/asm/* $kerneldir/include/asm/
@@ -134,34 +133,14 @@ kernel_do_install() {
                 cp -fR arch/x86/* $kerneldir/arch/x86/
         fi
 
-        # ASMDIR is not always set ...
-        if [ -e include/asm ] ; then
-                rm -f $kerneldir/include/asm
-                if [ -n $ASMDIR ] ; then
-                        ln -sf $ASMDIR $kerneldir/include/asm
-                fi
-        fi
-
-        mkdir -p $kerneldir/include/asm-generic
-        cp -fR include/asm-generic/* $kerneldir/include/asm-generic/
-
-        for entry in drivers/crypto drivers/media include/generated include/linux include/net include/pcmcia include/media include/acpi include/sound include/video include/scsi include/trace include/mtd include/rdma include/drm include/xen; do
+        # Take care of the rest of the main directories we need
+        for entry in drivers/crypto drivers/media include scripts; do
                 if [ -d $entry ]; then
                         mkdir -p $kerneldir/$entry
                         cp -fR $entry/* $kerneldir/$entry/
                 fi
         done
 
-        if [ -f include/Kbuild ]; then
-                cp -fR include/Kbuild $kerneldir/include
-        fi
-
-        if [ -d drivers/sound ]; then
-                # 2.4 alsa needs some headers from this directory
-                mkdir -p $kerneldir/include/drivers/sound
-                cp -fR drivers/sound/*.h $kerneldir/include/drivers/sound/
-        fi
-
         install -m 0644 .config $kerneldir/config-${KERNEL_VERSION}
         ln -sf config-${KERNEL_VERSION} $kerneldir/.config
         ln -sf config-${KERNEL_VERSION} $kerneldir/kernel-config
@@ -169,9 +148,14 @@ kernel_do_install() {
         echo "${S}" >$kerneldir/kernel-source
         echo "${KERNEL_CCSUFFIX}" >$kerneldir/kernel-ccsuffix
         echo "${KERNEL_LDSUFFIX}" >$kerneldir/kernel-ldsuffix
+        [ -e vmlinux ] && install -m 0644 vmlinux $kerneldir/   
+        install -m 0644 ${KERNEL_OUTPUT} $kerneldir/${KERNEL_IMAGETYPE}
+        install -m 0644 System.map $kerneldir/System.map-${KERNEL_VERSION}
+        [ -e Module.symvers ] && install -m 0644 Module.symvers $kerneldir/
+
+        # Copy over the main Makefiles
         [ -e Rules.make ] && install -m 0644 Rules.make $kerneldir/
         [ -e Makefile ] && install -m 0644 Makefile $kerneldir/
-        
         # Check if arch/${ARCH}/Makefile exists and install it
         if [ -e arch/${ARCH}/Makefile ]; then
                 install -d $kerneldir/arch/${ARCH}
@@ -181,14 +165,6 @@ kernel_do_install() {
                 install -d $kerneldir/arch/x86
                 install -m 0644 arch/x86/Makefile* $kerneldir/arch/x86
         fi
-        cp -fR include/config* $kerneldir/include/      
-        # Install kernel images and system.map to staging
-        [ -e vmlinux ] && install -m 0644 vmlinux $kerneldir/   
-        install -m 0644 ${KERNEL_OUTPUT} $kerneldir/${KERNEL_IMAGETYPE}
-        install -m 0644 System.map $kerneldir/System.map-${KERNEL_VERSION}
-        [ -e Module.symvers ] && install -m 0644 Module.symvers $kerneldir/
-
-        cp -fR scripts $kerneldir/
 
         # Remove the following binaries which cause strip errors
         # during do_package for cross-compiled platforms