tools: add support to convert elf to mbn

Change-Id: I3caca1f0a7f7bea61ea29186fdb04becb8ef0b37
Signed-off-by: Ram Kumar D <quic_ramd@quicinc.com>
(cherry picked from commit 2e0ccbbaa5)

tools/elftombn.py

@@ -0,0 +1,106 @@
+# ==========================================================================
+# Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+# SPDX-License-Identifier: GPL-2.0-only
+# ==========================================================================
+
+from optparse import OptionParser
+import os
+import mbn_tools
+
+##############################################################################
+# main
+##############################################################################
+def main():
+	parser = OptionParser(usage='usage: %prog [options] arguments')
+
+	parser.add_option("-f", "--first_filepath",
+			action="store", type="string", dest="elf_inp_file1",
+			help="First ELF file to merge.")
+
+	parser.add_option("-o", "--output_filepath",
+			action="store", type="string", dest="binary_out",
+			help="Merged filename and path.")
+
+	parser.add_option("-v", "--mbn_version_number",
+			action="store", type="string", dest="mbnv",
+			help="Default MBN version is 3.")
+
+        parser.add_option("-c", "--com compression option",
+                        action="store", type="string", dest="compress_method",
+                        help="Compression method")
+
+        parser.add_option("-a", "--arch",
+                        action="store", type="string", dest="arch",
+                        help="arch ipq5332")
+
+	(options, args) = parser.parse_args()
+	if not options.elf_inp_file1:
+		parser.error('First ELF filename not given')
+
+	if not options.binary_out:
+		parser.error('Output filename not given')
+	if options.mbnv != '6':
+		mbnv = 3
+        else:
+		mbnv = 6
+
+	if options.compress_method:
+          compress_method = options.compress_method
+        else:
+          compress_method = ""
+
+	gen_dict = {}
+
+	elf_inp_file1 = options.elf_inp_file1
+
+	binary_out = options.binary_out
+	arch = options.arch
+
+	mbn_type = 'elf'
+	header_format = 'reg'
+	gen_dict['IMAGE_KEY_IMAGE_ID'] = mbn_tools.ImageType.SBL1_IMG
+	gen_dict['IMAGE_KEY_MBN_TYPE'] = mbn_type
+	image_header_secflag = 'non_secure'
+
+	source_base = os.path.splitext(str(binary_out))[0]
+	target_base = os.path.splitext(str(binary_out))[0]
+	source_elf = source_base + "_nohash.elf"
+	target_hash = target_base + ".hash"
+	target_hash_hd = target_base + "_hash.hd"
+	target_phdr_elf = target_base + "_phdr.pbn"
+	target_nonsec = target_base + "_combined_hash.mbn"
+
+	# Create hash table
+	rv = mbn_tools.pboot_gen_elf([],
+			elf_inp_file1,
+			target_hash,
+			compress_method,
+			elf_out_file_name = target_phdr_elf,
+			secure_type = image_header_secflag,
+			mbn_version = mbnv,
+			arch = arch)
+	if rv:
+		raise RuntimeError, "Failed to run pboot_gen_elf"
+
+	# Create hash table header
+	rv = mbn_tools.image_header([],
+			gen_dict,
+			target_hash,
+			target_hash_hd,
+			image_header_secflag,
+			elf_file_name = target_phdr_elf,
+			mbn_version = mbnv)
+	if rv:
+		raise RuntimeError, "Failed to create image header for hash segment"
+
+	files_to_cat_in_order = [target_hash_hd, target_hash]
+	mbn_tools.concat_files (target_nonsec, files_to_cat_in_order)
+
+	# Add the hash segment into the ELF
+	mbn_tools.pboot_add_hash([],
+			target_phdr_elf,
+			target_nonsec, binary_out)
+
+	return
+
+main()