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-rwxr-xr-xtools/memory/print_memory_map.py102
1 files changed, 102 insertions, 0 deletions
diff --git a/tools/memory/print_memory_map.py b/tools/memory/print_memory_map.py
new file mode 100755
index 0000000..ef53f7e
--- /dev/null
+++ b/tools/memory/print_memory_map.py
@@ -0,0 +1,102 @@
+#!/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'))