run_config/fvp-linux.tc

#!/usr/bin/env bash
#
# Copyright (c) 2019-2023, Arm Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#

sign_image() {
	# $1 ... host binary name to sign
	# $2 ... image load address
	# $3 ... signed bin size

	local tmpdir="$(mktempdir)"
	host_bin="`basename ${1}`"
	signed_bin="signed_`basename ${1}`"
	host_binary_layout="`basename -s .bin ${1}`_ns"

	# development PEM containing a key - use same key which is used for SCP BL1 in pre-built image
	url="$tc_prebuilts/tc$plat_variant/root-RSA-3072.pem" saveas="root-RSA-3072.pem" fetch_file
	archive_file "root-RSA-3072.pem"

	RSS_SIGN_PRIVATE_KEY=$archive/root-RSA-3072.pem
	RSS_SEC_CNTR_INIT_VAL=1
	RSS_LAYOUT_WRAPPER_VERSION="1.7.0"

	cat << EOF > $tmpdir/$host_binary_layout
enum image_attributes {
    RE_IMAGE_LOAD_ADDRESS = $2,
    RE_SIGN_BIN_SIZE = $3,
};
EOF

	if [ ! -f $archive/$host_bin ]; then
		echo "$archive/$host_bin does not exist. Aborting...!"
		exit 1
	fi

	echo "Signing `basename ${1}`"
	# Get mcuboot
	git clone "https://github.com/mcu-tools/mcuboot.git" $tmpdir/mcuboot
	# Fetch wrapper script
	saveas="$tmpdir" url="$tc_prebuilts/tc$plat_variant/wrapper_scripts" fetch_directory

	echo "Installing dependencies..."
	pip3 install cryptography cbor2 intelhex pyyaml

	pushd $tmpdir/mcuboot/scripts
	python3 $tmpdir/wrapper_scripts/wrapper/wrapper.py \
		-v $RSS_LAYOUT_WRAPPER_VERSION \
		--layout $tmpdir/$host_binary_layout \
		-k $RSS_SIGN_PRIVATE_KEY \
		--public-key-format full \
		--align 1 \
		--pad \
		--pad-header \
		-H 0x2000 \
		-s $RSS_SEC_CNTR_INIT_VAL \
		$archive/$host_bin  \
		$tmpdir/$signed_bin

	echo "created signed_`basename ${1}`"
	url="$tmpdir/$signed_bin" saveas="$signed_bin" fetch_file
	archive_file "$signed_bin"
	popd
}

update_fip() {
	local prebuild_prefix=$tc_prebuilts/tc$plat_variant/$rss_revision

	# Get pre-built rss rom
	url="$prebuild_prefix/rss_rom.bin" fetch_file
	archive_file "rss_rom.bin"

	# Get pre-built rss bl2 signed bin
	url="$prebuild_prefix/bl2_signed.bin" fetch_file
	archive_file "bl2_signed.bin"

	# Get pre-built rss TF-M NS signed bin
	url="$prebuild_prefix/tfm_ns_signed.bin" fetch_file
	archive_file "tfm_ns_signed.bin"

	# Get pre-built rss TF-M S signed bin
	url="$prebuild_prefix/tfm_s_signed.bin" fetch_file
	archive_file "tfm_s_signed.bin"

	# Get pre-built SCP signed bin
	url="$prebuild_prefix/scp_signed.bin" fetch_file
	archive_file "scp_signed.bin"

	# Create FIP layout
	"$fiptool" update \
		--align 8192 --rss-bl2 "$archive/bl2_signed.bin" \
		--align 8192 --rss-ns "$archive/tfm_ns_signed.bin" \
		--align 8192 --rss-s "$archive/tfm_s_signed.bin" \
		--align 8192 --rss-scp-bl1 "$archive/scp_signed.bin" \
		--align 8192 --rss-ap-bl1 "$archive/$signed_bin" \
		--out "host_flash_fip.bin" \
		"$archive/fip.bin"
	archive_file "host_flash_fip.bin"
}

fetch_tf_resource() {
	kernel_type="fvp-tc-kernel" get_kernel
	initrd_type="fvp-tc-ramdisk" get_initrd

	# Use SCP binary from SCP build if it exists, or fetch pre-built ones.
	if [ ! -f "$archive/scp_rom.bin" ]; then
		# Pick the appropriate binary based on target platform variant
		url="$scp_prebuilts/tc$plat_variant/release/tc$plat_variant-bl1.bin" saveas="scp_rom.bin" fetch_file
		archive_file "scp_rom.bin"
	fi


	# RSS is applicable to TC2
	if [ $plat_variant -eq 2 ]; then

	    # Hold RSS terminal_uart_ap
	    uart="2" file="hold_uart.exp" track_expect

            # sign AP bl1
	    sign_image bl1.bin $ap_bl1_flash_load_addr $ap_bl1_flash_size

	    # Update FIP with pre-built RSS binaries and signed AP BL1 to create host flash fip image
	    update_fip
	fi
}

generate_lava_job_template() {
	# Hold scp terminal_s0
	uart="0" port="5002" file="hold_uart.exp" track_expect
	uart="1" port="5003" file="linux-rd-busybox.exp" set_primary="1" \
		track_expect

	set_uart_port "${archive:?}" 2 5000
	set_uart_port "${archive:?}" 3 5001

	payload_type="linux" gen_yaml_template
}