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