blobutil/extract: split up extract_blobs()

resources/scripts/blobs/extract

@@ -14,6 +14,15 @@ cbcfgsdir="resources/coreboot"
 ifdtool="${cbdir}/util/ifdtool/ifdtool"
 boarddir=""
 
+CONFIG_HAVE_MRC=""
+CONFIG_ME_BIN_PATH=""
+CONFIG_GBE_BIN_PATH=""
+CONFIG_IFD_BIN_PATH=""
+
+_me_destination=""
+_gbe_destination=""
+_ifd_destination=""
+
 main()
 {
 	sname=${0}
@@ -70,7 +79,6 @@ build_dependencies()
 
 extract_blobs()
 {
-	# TODO: split up this function, it's a mess
 	printf "extracting blobs for %s from %s\n" ${board} ${vendor_rom}
 
 	set -- "${boarddir}/config/"*
@@ -86,20 +94,11 @@ extract_blobs()
 	_gbe_destination=${CONFIG_GBE_BIN_PATH#../../}
 	_ifd_destination=${CONFIG_IFD_BIN_PATH#../../}
 
-	printf "extracting clean ime and modified ifd\n"
-	./me_cleaner/me_cleaner.py -D ${_ifd_destination} \
-			-M ${_me_destination} ${vendor_rom} -t -r -S || \
-		./resources/blobs/me7_update_parser.py
-				-O ${_me_destination} ${vendor_rom} \
-			|| fail 'me_cleaner failed to extract blobs from rom'
+	extract_blob_intel_me
+	extract_blob_intel_gbe_nvm
 
-	printf "extracting gigabit ethernet firmware"
-	./${ifdtool} -x ${vendor_rom}
-	mv flashregion*gbe.bin ${_gbe_destination} \
-			|| fail 'could not extract gbe'
-	
 	# Cleans up other files extracted with ifdtool
-	rm flashregion*.bin 2> /dev/null
+	rm -f flashregion*.bin 2> /dev/null
 
 	if [ -f ${_ifd_destination} ]; then
 		printf "gbe, ifd, and me extracted to ${_me_destination%/*}\n"
@@ -109,6 +108,24 @@ extract_blobs()
 	fi
 }
 
+extract_blob_intel_me()
+{
+	printf "extracting clean ime and modified ifd\n"
+	./me_cleaner/me_cleaner.py -D ${_ifd_destination} \
+			-M ${_me_destination} ${vendor_rom} -t -r -S || \
+		./resources/blobs/me7_update_parser.py
+				-O ${_me_destination} ${vendor_rom} \
+			|| fail 'me_cleaner failed to extract blobs from rom'
+}
+
+extract_blob_intel_gbe_nvm()
+{
+	printf "extracting gigabit ethernet firmware"
+	./${ifdtool} -x ${vendor_rom}
+	mv flashregion*gbe.bin ${_gbe_destination} \
+			|| fail 'could not extract gbe'
+}
+
 fail()
 {
 	print_help