mtk-preloader/tools/sync_gfh.sh

#!/bin/bash

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# This software/firmware and related documentation ("MediaTek Software") are
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CUR_DIR=$(pwd)
STORAGE_TYPE=

cd ${CUR_DIR}/../custom

for d in * ; do
	if [ -d "$d" ]; then
		if [ -e  $d/cust_bldr.mak ]; then
			grep "CFG_BOOT_DEV\s*:=\s*BOOTDEV_UFS" $d/cust_bldr.mak > /dev/null
			if [ $? -eq "0" ]; then
				STORAGE_TYPE="ufs"
			else
				grep "MTK_EMMC_SUPPORT" $d/cust_bldr.mak > /dev/null
				# storage type is determined within cust_bldr.mak
				if [ ! $? -eq "0" ]; then
					grep "CFG_BOOT_DEV\s*:=\s*BOOTDEV_SDMMC" $d/cust_bldr.mak > /dev/null
					if [ $? -eq "0" ]; then
						STORAGE_TYPE="emmc"
					fi
					grep "CFG_BOOT_DEV\s*:=\s*BOOTDEV_NAND" $d/cust_bldr.mak > /dev/null
					if [ $? -eq "0" ]; then
						STORAGE_TYPE="nand"
					fi
				else
					# used MTK_EMMC_SUPPORT to determine storage type
					if [ -e $d/$d.mk ]; then
						grep "MTK_EMMC_SUPPORT\s*=\s*yes" $d/$d.mk > /dev/null
						if [ $? -eq "0" ]; then
							STORAGE_TYPE="emmc"
						else
							STORAGE_TYPE="nand"
						fi
					else
						# default storage type is emmc
						STORAGE_TYPE="emmc"
					fi
				fi
			fi
			GFH_LEGACY_PATH=$d/security/chip_config/s/gfh/GFH_CONFIG.ini
			GFH_PSS_PATH=$d/security/chip_config/s/gfh/pl_gfh_config_pss.ini
			GFH_CERT_CHAIN_PATH=$d/security/chip_config/s/gfh/pl_gfh_config_cert_chain.ini
			# process legacy GFH
			if [ -e ${GFH_LEGACY_PATH} ]; then
				sed -ri "s/(flash_dev\s+=)[^=]*$/\1 \"${STORAGE_TYPE}\"/" ${GFH_LEGACY_PATH}
			fi
			# process pss GFH
			if [ -e ${GFH_PSS_PATH} ]; then
				sed -ri "s/(flash_dev\s+=)[^=]*$/\1 \"${STORAGE_TYPE}\"/" ${GFH_PSS_PATH}
			fi
			# process cert chain GFH
			if [ -e ${GFH_CERT_CHAIN_PATH} ]; then
				sed -ri "s/(flash_dev\s+=)[^=]*$/\1 \"${STORAGE_TYPE}\"/" ${GFH_CERT_CHAIN_PATH}
			fi
		fi
	fi
done

cd ${CUR_DIR}