From ec688b4723a041044226358bcd4dd6e2da39da49 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 23 Feb 2017 17:01:02 +0100 Subject: Initial commit: cframework. Longbow and Libparc Change-Id: I90378dbd30da6033b20fb1f829b3b822cf366c59 Signed-off-by: Luca Muscariello --- libparc/cmake/Modules/detectCacheSize.cmake | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 libparc/cmake/Modules/detectCacheSize.cmake (limited to 'libparc/cmake/Modules/detectCacheSize.cmake') 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}") -- cgit 1.2.3-korg