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# 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}")
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