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sof: Calculate source code hash 

It may be used to check FW compatibility with ldc file.
It's much better than comparing DBG_ABI because logs content
may be updated without any DBG_ABI change in opposite to source
code hash value.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
This commit is contained in:
Karol Trzcinski 2020-07-17 12:35:48 +02:00 committed by Liam Girdwood
parent b4a6cea5aa
commit 60b737a7a1
1 changed files with 29 additions and 0 deletions
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29
scripts/cmake/version.cmake
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@ -59,6 +59,34 @@ if(NOT SOF_TAG)
set(SOF_TAG 0)
endif()
# Calculate source hash value, used to check ldc file and firmware compatibility
if(EXISTS ${CMAKE_SOURCE_DIR}/.git/)
# list tracked files from src directory
execute_process(COMMAND git ls-files src
WORKING_DIRECTORY ${SOF_ROOT_SOURCE_DIRECTORY}
OUTPUT_FILE tracked_file_list
)
# calculate hash of each listed files (from file version saved in file system)
execute_process(COMMAND git hash-object --stdin-paths
WORKING_DIRECTORY ${SOF_ROOT_SOURCE_DIRECTORY}
INPUT_FILE tracked_file_list
OUTPUT_FILE tracked_file_hash_list
)
# then calculate single hash of previously calculated hash list
execute_process(COMMAND git hash-object --stdin
WORKING_DIRECTORY ${SOF_ROOT_SOURCE_DIRECTORY}
OUTPUT_STRIP_TRAILING_WHITESPACE
INPUT_FILE tracked_file_hash_list
OUTPUT_VARIABLE SOF_SRC_HASH_LONG
)
file(REMOVE tracked_file_list tracked_file_hash_list)
string(SUBSTRING ${SOF_SRC_HASH_LONG} 0 8 SOF_SRC_HASH)
message(STATUS "Source content hash: ${SOF_SRC_HASH}")
else()
set(SOF_SRC_HASH ${GIT_LOG_HASH})
message(WARNING "Source content hash can't be calculated, use GIT_LOG_HASH")
endif()
# for SOF_BUILD
include(${CMAKE_CURRENT_LIST_DIR}/version-build-counter.cmake)
@ -69,6 +97,7 @@ function(sof_check_version_h)
"#define SOF_MICRO ${SOF_MICRO}\n"
"#define SOF_TAG \"${SOF_TAG}\"\n"
"#define SOF_BUILD ${SOF_BUILD}\n"
"#define SOF_SRC_HASH 0x${SOF_SRC_HASH}\n"
)
if(EXISTS "${VERSION_H_PATH}")