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authorMichele Papalini <micpapal+fdio@cisco.com>2017-02-24 08:00:13 +0000
committerGerrit Code Review <gerrit@fd.io>2017-02-24 08:00:13 +0000
commit6d4b6878ceff22f9ec8d8e9423214f9666007472 (patch)
treefa27e0c747676519cb87ff8448bfed62fce5009d /libccnx-common/cmake/Modules/detectCacheSize.cmake
parentf28308bd99381ef5f1e178e2e1f870f245e35873 (diff)
parentd18ae43123fcd7604d1c36a1ec8450dbe6071824 (diff)
Merge "Initial commit: ccnxlibs." into ccnxlibs/master
Diffstat (limited to 'libccnx-common/cmake/Modules/detectCacheSize.cmake')
-rw-r--r--libccnx-common/cmake/Modules/detectCacheSize.cmake21
1 files changed, 21 insertions, 0 deletions
diff --git a/libccnx-common/cmake/Modules/detectCacheSize.cmake b/libccnx-common/cmake/Modules/detectCacheSize.cmake
new file mode 100644
index 00000000..469d2627
--- /dev/null
+++ b/libccnx-common/cmake/Modules/detectCacheSize.cmake
@@ -0,0 +1,21 @@
+# 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()
+
+message("-- Cache line size: ${LEVEL1_DCACHE_LINESIZE}")