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#!/usr/bin/env python3
#
# Copyright (c) 2019-2022, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
import re
import os
import sys
import operator
# List of folder/map to parse
bl_images = ['bl1', 'bl2', 'bl31']
# List of symbols to search for
blx_symbols = ['__BL1_RAM_START__', '__BL1_RAM_END__',
'__BL2_END__',
'__BL31_END__',
'__RO_START__', '__RO_END_UNALIGNED__', '__RO_END__',
'__TEXT_START__', '__TEXT_END__',
'__TEXT_RESIDENT_START__', '__TEXT_RESIDENT_END__',
'__RODATA_START__', '__RODATA_END__',
'__DATA_START__', '__DATA_END__',
'__STACKS_START__', '__STACKS_END__',
'__BSS_START__', '__BSS_END__',
'__COHERENT_RAM_START__', '__COHERENT_RAM_END__',
'__CPU_OPS_START__', '__CPU_OPS_END__',
'__FCONF_POPULATOR_START__', '__FCONF_POPULATOR_END__',
'__GOT_START__', '__GOT_END__',
'__PARSER_LIB_DESCS_START__', '__PARSER_LIB_DESCS_END__',
'__PMF_TIMESTAMP_START__', '__PMF_TIMESTAMP_END__',
'__PMF_SVC_DESCS_START__', '__PMF_SVC_DESCS_END__',
'__RELA_START__', '__RELA_END__',
'__RT_SVC_DESCS_START__', '__RT_SVC_DESCS_END__',
'__BASE_XLAT_TABLE_START__', '__BASE_XLAT_TABLE_END__',
'__XLAT_TABLE_START__', '__XLAT_TABLE_END__',
]
# Regex to extract address from map file
address_pattern = re.compile(r"\b0x\w*")
# List of found element: [address, symbol, file]
address_list = []
# Get the directory from command line or use a default one
inverted_print = True
if len(sys.argv) >= 2:
build_dir = sys.argv[1]
if len(sys.argv) >= 3:
inverted_print = sys.argv[2] == '0'
else:
build_dir = 'build/fvp/debug'
max_len = max(len(word) for word in blx_symbols) + 2
if (max_len % 2) != 0:
max_len += 1
# Extract all the required symbols from the map files
for image in bl_images:
file_path = os.path.join(build_dir, image, '{}.map'.format(image))
if os.path.isfile(file_path):
with open (file_path, 'rt') as mapfile:
for line in mapfile:
for symbol in blx_symbols:
skip_symbol = 0
# Regex to find symbol definition
line_pattern = re.compile(r"\b0x\w*\s*" + symbol + "\s= .")
match = line_pattern.search(line)
if match:
# Extract address from line
match = address_pattern.search(line)
if match:
if '_END__' in symbol:
sym_start = symbol.replace('_END__', '_START__')
if [match.group(0), sym_start, image] in address_list:
address_list.remove([match.group(0), sym_start, image])
skip_symbol = 1
if skip_symbol == 0:
address_list.append([match.group(0), symbol, image])
# Sort by address
address_list.sort(key=operator.itemgetter(0))
# Invert list for lower address at bottom
if inverted_print:
address_list = reversed(address_list)
# Generate memory view
print(('{:-^%d}' % (max_len * 3 + 20 + 7)).format('Memory Map from: ' + build_dir))
for address in address_list:
if "bl1" in address[2]:
print(address[0], ('+{:-^%d}+ |{:^%d}| |{:^%d}|' % (max_len, max_len, max_len)).format(address[1], '', ''))
elif "bl2" in address[2]:
print(address[0], ('|{:^%d}| +{:-^%d}+ |{:^%d}|' % (max_len, max_len, max_len)).format('', address[1], ''))
elif "bl31" in address[2]:
print(address[0], ('|{:^%d}| |{:^%d}| +{:-^%d}+' % (max_len, max_len, max_len)).format('', '', address[1]))
else:
print(address[0], ('|{:^%d}| |{:^%d}| +{:-^%d}+' % (max_len, max_len, max_len)).format('', '', address[1]))
print(('{:^20}{:_^%d} {:_^%d} {:_^%d}' % (max_len, max_len, max_len)).format('', '', '', ''))
print(('{:^20}{:^%d} {:^%d} {:^%d}' % (max_len, max_len, max_len)).format('address', 'bl1', 'bl2', 'bl31'))
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