tools: Small improvement to print_memory_map script
This patch:
- Add the __COHERENT_RAM_START__ and __COHERENT_RAM_END__ symbols.
- Improve how the symbols are found with a regex.
- Add a build option to revert the memory layout output.
Change-Id: I54ec660261431bc98d78acb0f80e3d95bc5397ac
Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>
diff --git a/Makefile b/Makefile
index 7e41678..8b6052d 100644
--- a/Makefile
+++ b/Makefile
@@ -770,6 +770,7 @@
$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
+$(eval $(call assert_boolean,INVERTED_MEMMAP))
$(eval $(call assert_boolean,MEASURED_BOOT))
$(eval $(call assert_boolean,NS_TIMER_SWITCH))
$(eval $(call assert_boolean,OVERRIDE_LIBC))
@@ -1088,7 +1089,7 @@
# Call print_memory_map tool
memmap: all
- ${Q}${PYTHON} $(PRINT_MEMORY_MAP) $(BUILD_PLAT)
+ ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP}
doc:
@echo " BUILD DOCUMENTATION"
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index 8854a79..d79e9f5 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -340,6 +340,11 @@
translation library (xlat tables v2) must be used; version 1 of translation
library is not supported.
+- ``INVERTED_MEMMAP``: memmap tool print by default lower addresses at the
+ bottom, higher addresses at the top. This buid flag can be set to '1' to
+ invert this behavior. Lower addresses will be printed at the top and higher
+ addresses at the bottom.
+
- ``JUNO_AARCH32_EL3_RUNTIME``: This build flag enables you to execute EL3
runtime software in AArch32 mode, which is required to run AArch32 on Juno.
By default this flag is set to '0'. Enabling this flag builds BL1 and BL2 in
diff --git a/tools/memory/print_memory_map.py b/tools/memory/print_memory_map.py
index 35cccd3..8a84018 100755
--- a/tools/memory/print_memory_map.py
+++ b/tools/memory/print_memory_map.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (c) 2019, Arm Limited. All rights reserved.
+# Copyright (c) 2019-2020, Arm Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -22,6 +22,7 @@
'__DATA_START__', '__DATA_END__',
'__STACKS_START__', '__STACKS_END__',
'__BSS_END',
+ '__COHERENT_RAM_START__', '__COHERENT_RAM_END__',
]
# Regex to extract address from map file
@@ -31,8 +32,11 @@
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'
@@ -43,7 +47,10 @@
with open (file_path, 'rt') as mapfile:
for line in mapfile:
for symbol in blx_symbols:
- if line.find(symbol) > 0 and line.find("ASSERT") < 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:
@@ -52,17 +59,21 @@
# Sort by address
address_list.sort(key=operator.itemgetter(0))
-# Generate memory view
-print('{:-^87}'.format('Memory Map from: ' + build_dir))
-for address in reversed(address_list):
- if "bl1" in address[2]:
- print(address[0], '+{:-^20}+ |{:^20}| |{:^20}|'.format(address[1], '', ''))
- elif "bl2" in address[2]:
- print(address[0], '|{:^20}| +{:-^20}+ |{:^20}|'.format('', address[1], ''))
- elif "bl31" in address[2]:
- print(address[0], '|{:^20}| |{:^20}| +{:-^20}+'.format('', '', address[1]))
- else:
- print(address[0], '|{:^20}| |{:^20}| +{:-^20}+'.format('', '', address[1]))
+# Invert list for lower address at bottom
+if inverted_print:
+ address_list = reversed(address_list)
-print('{:^20}{:_^20} {:_^20} {:_^20}'.format('', '', '', ''))
-print('{:^20}{:^20} {:^20} {:^20}'.format('address', 'bl1', 'bl2', 'bl31'))
+# Generate memory view
+print('{:-^93}'.format('Memory Map from: ' + build_dir))
+for address in address_list:
+ if "bl1" in address[2]:
+ print(address[0], '+{:-^22}+ |{:^22}| |{:^22}|'.format(address[1], '', ''))
+ elif "bl2" in address[2]:
+ print(address[0], '|{:^22}| +{:-^22}+ |{:^22}|'.format('', address[1], ''))
+ elif "bl31" in address[2]:
+ print(address[0], '|{:^22}| |{:^22}| +{:-^22}+'.format('', '', address[1]))
+ else:
+ print(address[0], '|{:^22}| |{:^22}| +{:-^22}+'.format('', '', address[1]))
+
+print('{:^20}{:_^22} {:_^22} {:_^22}'.format('', '', '', ''))
+print('{:^20}{:^22} {:^22} {:^22}'.format('address', 'bl1', 'bl2', 'bl31'))