1 files changed, 128 insertions, 0 deletions
diff --git a/functions/bootloaders.sh b/functions/bootloaders.sh
new file mode 100644
index 000000000..1898232e5
--- /dev/null
+++ b/functions/bootloaders.sh
@@ -0,0 +1,128 @@
+#!/bin/sh
+
+## live-build(7) - System Build Scripts
+## Copyright (C) 2016 Adrian Gibanel Lopez <adrian15sgd@gmail.com>
+##
+## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
+## This is free software, and you are welcome to redistribute it
+## under certain conditions; see COPYING for details.
+
+Is_First_Bootloader ()
+{
+	EVAL_FIRST_BOOTLOADER="${1}"
+
+	if [ "${LB_FIRST_BOOTLOADER}" = "${EVAL_FIRST_BOOTLOADER}" ]
+	then
+		return 0
+	else
+		return 1
+	fi
+
+}
+
+Is_Bootloader ()
+{
+	EVAL_BOOTLOADER="${1}"
+	OLDIFS="$IFS"
+	IFS=","
+	for BOOTLOADER in ${LB_BOOTLOADERS}
+	do
+		if [ "${BOOTLOADER}" = "${EVAL_BOOTLOADER}" ]
+		then
+			IFS="$OLDIFS"
+			return 0
+		fi
+	done
+	IFS="$OLDIFS"
+	return 1
+}
+
+Is_Extra_Bootloader ()
+{
+	EVAL_EXTRA_BOOTLOADER="${1}"
+
+	if Is_First_Bootloader "${EVAL_EXTRA_BOOTLOADER}"
+	then
+		return 1
+	else
+		if Is_Bootloader "${EVAL_EXTRA_BOOTLOADER}"
+		then
+			return 0
+		fi
+	fi
+	return 1
+
+}
+
+Check_Non_First_Bootloader ()
+{
+	NON_FIRST_BOOTLOADER="${1}"
+
+	if Is_First_Bootloader "${NON_FIRST_BOOTLOADER}"
+	then
+		Echo_error "Bootloader: ${NON_FIRST_BOOTLOADER} not supported as a first bootloader."
+		exit 1
+	else
+		return 0
+	fi
+}
+
+
+Check_Non_Extra_Bootloader ()
+{
+	NON_EXTRA_BOOTLOADER="${1}"
+
+	if Is_Extra_Bootloader "${NON_EXTRA_BOOTLOADER}"
+	then
+		Echo_error "Bootloader: ${NON_EXTRA_BOOTLOADER} not supported as a extra bootloader."
+		exit 1
+	else
+		return 0
+	fi
+}
+
+Check_First_Bootloader_Role ()
+{
+	FIRST_BOOTLOADER_ROLE="${1}"
+	Check_Non_Extra_Bootloader "${FIRST_BOOTLOADER_ROLE}"
+
+	if Is_First_Bootloader "${FIRST_BOOTLOADER_ROLE}"
+	then
+		return 0
+	else
+		exit 0
+	fi
+
+}
+
+Check_Extra_Bootloader_Role ()
+{
+	EXTRA_BOOTLOADER_ROLE="${1}"
+	Check_Non_First_Bootloader "${EXTRA_BOOTLOADER_ROLE}"
+
+	if Is_Extra_Bootloader "${EXTRA_BOOTLOADER_ROLE}"
+	then
+		return 0
+	else
+		exit 0
+	fi
+
+}
+
+Check_Any_Bootloader_Role ()
+{
+	ANY_BOOTLOADER_ROLE="${1}"
+
+	if Is_First_Bootloader "${ANY_BOOTLOADER_ROLE}"
+	then
+		return 0
+	fi
+
+	if Is_Extra_Bootloader "${ANY_BOOTLOADER_ROLE}"
+	then
+		return 0
+	fi
+
+	exit 0
+
+}
+\ No newline at end of file