X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fcmake%2Fcpu.cmake;h=e5061fca4e72113c79c79ee9c12db6fd6935ba5a;hb=5fb2278cb8badbbfe727acbdcaeda008a7fd2833;hp=1439be1db29ec14379b164784c5d7300e93cf011;hpb=edc4387602eb935c6e1702a713f0a5665c12d467;p=vpp.git

diff --git a/src/cmake/cpu.cmake b/src/cmake/cpu.cmake
index 1439be1db29..e5061fca4e7 100644
--- a/src/cmake/cpu.cmake
+++ b/src/cmake/cpu.cmake
@@ -14,7 +14,12 @@
 ##############################################################################
 # Cache line size detection
 ##############################################################################
-if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
+if(CMAKE_CROSSCOMPILING)
+  message(STATUS "Cross-compiling - cache line size detection disabled")
+  set(VPP_LOG2_CACHE_LINE_SIZE 6)
+elseif(DEFINED VPP_LOG2_CACHE_LINE_SIZE)
+  # Cache line size assigned via cmake args
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
   file(READ "/proc/cpuinfo" cpuinfo)
   string(REPLACE "\n" ";" cpuinfo ${cpuinfo})
   foreach(l ${cpuinfo})
@@ -25,17 +30,21 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
     string(STRIP ${value} value)
     if(${name} STREQUAL "CPU implementer")
       set(CPU_IMPLEMENTER ${value})
-     endif()
+    endif()
     if(${name} STREQUAL "CPU part")
       set(CPU_PART ${value})
-     endif()
+    endif()
   endforeach()
-  # Implementer 0x0a1 - Cavium
-  #  Part 0x0a1 - ThunderX
-  if (${CPU_IMPLEMENTER} STREQUAL "0x43" AND ${CPU_PART} STREQUAL "0x0a1")
-    set(VPP_LOG2_CACHE_LINE_SIZE 7)
+  # Implementer 0x43 - Cavium
+  #  Part 0x0af - ThunderX2 is 64B, rest all are 128B
+  if (${CPU_IMPLEMENTER} STREQUAL "0x43")
+    if (${CPU_PART} STREQUAL "0x0af")
+      set(VPP_LOG2_CACHE_LINE_SIZE 6)
+    else()
+      set(VPP_LOG2_CACHE_LINE_SIZE 7)
+    endif()
   else()
-    set(VPP_LOG2_CACHE_LINE_SIZE 6)
+      set(VPP_LOG2_CACHE_LINE_SIZE 6)
   endif()
   math(EXPR VPP_CACHE_LINE_SIZE "1 << ${VPP_LOG2_CACHE_LINE_SIZE}")
   message(STATUS "ARM AArch64 CPU implementer ${CPU_IMPLEMENTER} part ${CPU_PART} cacheline size ${VPP_CACHE_LINE_SIZE}")
@@ -51,7 +60,6 @@ set(VPP_LOG2_CACHE_LINE_SIZE ${VPP_LOG2_CACHE_LINE_SIZE}
 ##############################################################################
 if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
   set(CMAKE_C_FLAGS "-march=corei7 -mtune=corei7-avx ${CMAKE_C_FLAGS}")
-  set(VPP_LIB_DIR_NAME lib64)
   check_c_compiler_flag("-march=core-avx2" compiler_flag_march_core_avx2)
   if(compiler_flag_march_core_avx2)
     list(APPEND MARCH_VARIANTS "avx2\;-march=core-avx2 -mtune=core-avx2")
@@ -62,9 +70,22 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
   endif()
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
   set(CMAKE_C_FLAGS "-march=armv8-a+crc ${CMAKE_C_FLAGS}")
-  set(VPP_LIB_DIR_NAME lib64)
-else()
-  set(VPP_LIB_DIR_NAME lib)
+  check_c_compiler_flag("-march=armv8-a+crc+crypto -mtune=qdf24xx" compiler_flag_march_core_qdf24xx)
+  if(compiler_flag_march_core_qdf24xx)
+    list(APPEND MARCH_VARIANTS "qdf24xx\;-march=armv8-a+crc+crypto -DCLIB_N_PREFETCHES=8")
+  endif()
+  check_c_compiler_flag("-march=armv8.1-a+crc+crypto -mtune=thunderx2t99" compiler_flag_march_thunderx2t99)
+  if(compiler_flag_march_thunderx2t99)
+    if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.3))
+      list(APPEND MARCH_VARIANTS "thunderx2t99\;-march=armv8.1-a+crc+crypto -mtune=thunderx2t99 -DCLIB_N_PREFETCHES=8")
+    else()
+      list(APPEND MARCH_VARIANTS "thunderx2t99\;-march=armv8.1-a+crc+crypto -DCLIB_N_PREFETCHES=8")
+    endif()
+  endif()
+  check_c_compiler_flag("-march=armv8-a+crc+crypto -mtune=cortex-a72" compiler_flag_march_cortexa72)
+  if(compiler_flag_march_cortexa72)
+    list(APPEND MARCH_VARIANTS "cortexa72\;-march=armv8-a+crc+crypto -mtune=cortex-a72 -DCLIB_N_PREFETCHES=6")
+  endif()
 endif()
 
 macro(vpp_library_set_multiarch_sources lib)