diff -Nuar u-boot-2011.09/build.sh u-boot-2011.09-ok335x/build.sh
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--- u-boot-2011.09/build.sh 1970-01-01 08:00:00.000000000 +0800
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+++ u-boot-2011.09-ok335x/build.sh 2019-07-29 13:42:52.862123947 +0800
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@@ -0,0 +1,66 @@
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+#!/bin/bash
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+
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+TFTP_PATH=/tftp
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+IMGS_PATH=../images
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+IMG_NAME="u-boot.img MLO"
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+
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+CROSSTOOL=/opt/crosstool/cortex-a7/bin/arm-linux-gnueabi-
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+JOBS=`cat /proc/cpuinfo |grep "processor"|wc -l`
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+
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+
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+function do_clean()
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+{
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+ make CROSS_COMPILE=${CROSSTOOL} distclean
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+ rm -f MLO tags
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+}
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+
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+function do_modify()
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+{
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+ grep "export ARCH=arm" Makefile > /dev/null
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+
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+ if [ $? == 0 ] ; then
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+ return ;
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+ fi
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+
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+ echo "Modify Makefile for ARCH and cross compiler"
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+ sed -i "/ARCH CPU BOARD VENDOR SOC/a\export CROSS_COMPILE=${CROSSTOOL}" Makefile
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+ sed -i '/ARCH CPU BOARD VENDOR SOC/a\export ARCH=arm' Makefile
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+}
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+
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+function do_build()
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+{
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+ make ok335x_config
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+
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+ make -j${JOBS}
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+
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+ chmod a-x u-boot
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+
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+ chmod a+x ${IMG_NAME}
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+}
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+
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+function do_install()
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+{
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+ if [ -d $TFTP_PATH ] ;then
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+ cp ${IMG_NAME} $TFTP_PATH
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+ fi
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+
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+ if [ -d ${IMGS_PATH} ] ; then
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+ cp ${IMG_NAME} $IMGS_PATH
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+ fi
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+}
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+
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+if [ "$1" == "clean" ] ; then
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+
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+ do_clean
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+ exit 0;
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+fi
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+
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+do_modify
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+
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+set -e
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+
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+do_build
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+
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+do_install
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+
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+
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diff -Nuar u-boot-2011.09/Makefile u-boot-2011.09-ok335x/Makefile
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--- u-boot-2011.09/Makefile 2013-11-20 14:14:16.000000000 +0800
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+++ u-boot-2011.09-ok335x/Makefile 2019-07-29 13:39:47.514120392 +0800
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@@ -155,6 +155,8 @@
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# load ARCH, BOARD, and CPU configuration
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include $(obj)include/config.mk
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export ARCH CPU BOARD VENDOR SOC
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+export ARCH=arm
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+export CROSS_COMPILE=/opt/crosstool/cortex-a7/bin/arm-linux-gnueabi-
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# set default to nothing for native builds
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ifeq ($(HOSTARCH),$(ARCH))
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