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#!/bin/bash

name=$1
dtb=$2
imd=$3

echo "#include <asm-generic/barebox.lds.h>"

le32() {
	printf ".byte 0x%02x, 0x%02x, 0x%02x, 0x%02x\n" \
		$(($1 & 0xff))				\
		$((($1 >> 8) & 0xff))			\
		$((($1 >> 16) & 0xff))			\
		$((($1 >> 24) & 0xff))
}

FDTGET=scripts/dtc/fdtget

if [ "$imd" = "y" ]; then
	echo ".section .barebox_imd_0.${name},\"a\""
	echo ".global __imd_${name}_start"
	echo "__imd_${name}_start:"

	compat=$($FDTGET -d notfound -t bi "$dtb" / compatible | sed "s^ ^,^g")
	if [ "$compat" != "notfound" ]; then

		compatlen=$($FDTGET -t s "$dtb" / compatible | wc -c)
		le32 0x640c8005
		le32 $compatlen
		echo ".byte " $compat
		echo ".balign 4"
	fi

	model=$($FDTGET -d notfound -t bi "$dtb" / model | sed "s^ ^,^g")

	if [ "$model" != "notfound" ]; then
		modellen=$($FDTGET -t s "$dtb" / model | wc -c)
		le32 0x640c8004
		le32 $compatlen
		echo ".byte " $model
		echo ".balign 4"
	fi
fi

echo ".section .dtb.rodata.${name},\"a\""
echo ".balign STRUCT_ALIGNMENT"
echo ".global __dtb_${name}_start"
echo "__dtb_${name}_start:"
echo ".incbin \"$dtb\""
echo "__dtb_${name}_end:"
echo ".global __dtb_${name}_end"
echo ".balign STRUCT_ALIGNMENT"

if [ "$imd" = "y" ]; then
	echo ".word __imd_${name}_start"
fi