diff options
author | Luca Muscariello <lumuscar+fdio@cisco.com> | 2017-02-23 17:01:02 +0100 |
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committer | Luca Muscariello <lumuscar+fdio@cisco.com> | 2017-02-23 17:21:02 +0100 |
commit | ec688b4723a041044226358bcd4dd6e2da39da49 (patch) | |
tree | 3a244c48d1eb9e4d90f9050fd1a61ae5c0327526 /libparc/cmake/Modules/detectCacheSize.cmake | |
parent | 9b30fc10fb1cbebe651e5a107e8ca5b24de54675 (diff) |
Initial commit: cframework. Longbow and Libparc
Change-Id: I90378dbd30da6033b20fb1f829b3b822cf366c59
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
Diffstat (limited to 'libparc/cmake/Modules/detectCacheSize.cmake')
-rw-r--r-- | libparc/cmake/Modules/detectCacheSize.cmake | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libparc/cmake/Modules/detectCacheSize.cmake b/libparc/cmake/Modules/detectCacheSize.cmake new file mode 100644 index 00000000..1796910a --- /dev/null +++ b/libparc/cmake/Modules/detectCacheSize.cmake @@ -0,0 +1,26 @@ +# Detect the cache size +# +# XXX: TODO: This is a bug when cross compiling. We are detecting the local +# Cache Line size and not the target cache line size. We should provide some +# way to define this + +set(LEVEL1_DCACHE_LINESIZE 32) + +if( APPLE ) + execute_process(COMMAND sysctl -n hw.cachelinesize + OUTPUT_VARIABLE LEVEL1_DCACHE_LINESIZE + OUTPUT_STRIP_TRAILING_WHITESPACE) +endif( APPLE ) + +if( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" ) + execute_process(COMMAND getconf LEVEL1_DCACHE_LINESIZE + OUTPUT_VARIABLE LEVEL1_DCACHE_LINESIZE + OUTPUT_STRIP_TRAILING_WHITESPACE) +endif() + + +if ( ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm" ) + set(LEVEL1_DCACHE_LINESIZE 64) +endif() + +message("-- Cache line size: ${LEVEL1_DCACHE_LINESIZE}") |