Damjan Marion | d16004d | 2018-08-26 10:14:52 +0200 | [diff] [blame] | 1 | # Copyright (c) 2018 Cisco and/or its affiliates. |
| 2 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 3 | # you may not use this file except in compliance with the License. |
| 4 | # You may obtain a copy of the License at: |
| 5 | # |
| 6 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 7 | # |
| 8 | # Unless required by applicable law or agreed to in writing, software |
| 9 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 10 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 11 | # See the License for the specific language governing permissions and |
| 12 | # limitations under the License. |
| 13 | |
| 14 | ############################################################################## |
Damjan Marion | edc4387 | 2018-09-02 11:16:00 +0200 | [diff] [blame] | 15 | # Cache line size detection |
| 16 | ############################################################################## |
Damjan Marion | dd39529 | 2019-01-15 00:36:03 +0100 | [diff] [blame] | 17 | if(CMAKE_CROSSCOMPILING) |
| 18 | message(STATUS "Cross-compiling - cache line size detection disabled") |
| 19 | set(VPP_LOG2_CACHE_LINE_SIZE 6) |
Lijian.Zhang | 49c1bc8 | 2019-02-27 18:17:34 +0800 | [diff] [blame] | 20 | elseif(DEFINED VPP_LOG2_CACHE_LINE_SIZE) |
| 21 | # Cache line size assigned via cmake args |
Damjan Marion | dd39529 | 2019-01-15 00:36:03 +0100 | [diff] [blame] | 22 | elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)") |
Damjan Marion | edc4387 | 2018-09-02 11:16:00 +0200 | [diff] [blame] | 23 | file(READ "/proc/cpuinfo" cpuinfo) |
| 24 | string(REPLACE "\n" ";" cpuinfo ${cpuinfo}) |
| 25 | foreach(l ${cpuinfo}) |
| 26 | string(REPLACE ":" ";" l ${l}) |
| 27 | list(GET l 0 name) |
| 28 | list(GET l 1 value) |
| 29 | string(STRIP ${name} name) |
| 30 | string(STRIP ${value} value) |
| 31 | if(${name} STREQUAL "CPU implementer") |
| 32 | set(CPU_IMPLEMENTER ${value}) |
Marco Varlese | 0745036 | 2018-09-07 11:02:26 +0200 | [diff] [blame] | 33 | endif() |
Damjan Marion | edc4387 | 2018-09-02 11:16:00 +0200 | [diff] [blame] | 34 | if(${name} STREQUAL "CPU part") |
| 35 | set(CPU_PART ${value}) |
Marco Varlese | 0745036 | 2018-09-07 11:02:26 +0200 | [diff] [blame] | 36 | endif() |
Damjan Marion | edc4387 | 2018-09-02 11:16:00 +0200 | [diff] [blame] | 37 | endforeach() |
Nitin Saxena | 66bff59 | 2018-09-06 13:45:41 +0000 | [diff] [blame] | 38 | # Implementer 0x43 - Cavium |
| 39 | # Part 0x0af - ThunderX2 is 64B, rest all are 128B |
Marco Varlese | 0745036 | 2018-09-07 11:02:26 +0200 | [diff] [blame] | 40 | if (${CPU_IMPLEMENTER} STREQUAL "0x43") |
| 41 | if (${CPU_PART} STREQUAL "0x0af") |
| 42 | set(VPP_LOG2_CACHE_LINE_SIZE 6) |
| 43 | else() |
| 44 | set(VPP_LOG2_CACHE_LINE_SIZE 7) |
| 45 | endif() |
Nitin Saxena | 66bff59 | 2018-09-06 13:45:41 +0000 | [diff] [blame] | 46 | else() |
Marco Varlese | 0745036 | 2018-09-07 11:02:26 +0200 | [diff] [blame] | 47 | set(VPP_LOG2_CACHE_LINE_SIZE 6) |
Damjan Marion | edc4387 | 2018-09-02 11:16:00 +0200 | [diff] [blame] | 48 | endif() |
| 49 | math(EXPR VPP_CACHE_LINE_SIZE "1 << ${VPP_LOG2_CACHE_LINE_SIZE}") |
| 50 | message(STATUS "ARM AArch64 CPU implementer ${CPU_IMPLEMENTER} part ${CPU_PART} cacheline size ${VPP_CACHE_LINE_SIZE}") |
| 51 | else() |
| 52 | set(VPP_LOG2_CACHE_LINE_SIZE 6) |
| 53 | endif() |
| 54 | |
| 55 | set(VPP_LOG2_CACHE_LINE_SIZE ${VPP_LOG2_CACHE_LINE_SIZE} |
| 56 | CACHE STRING "Target CPU cache line size (power of 2)") |
| 57 | |
| 58 | ############################################################################## |
Damjan Marion | d16004d | 2018-08-26 10:14:52 +0200 | [diff] [blame] | 59 | # CPU optimizations and multiarch support |
| 60 | ############################################################################## |
| 61 | if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*") |
| 62 | set(CMAKE_C_FLAGS "-march=corei7 -mtune=corei7-avx ${CMAKE_C_FLAGS}") |
Damjan Marion | 33ed3e4 | 2018-08-27 15:59:30 +0200 | [diff] [blame] | 63 | check_c_compiler_flag("-march=core-avx2" compiler_flag_march_core_avx2) |
| 64 | if(compiler_flag_march_core_avx2) |
Damjan Marion | d16004d | 2018-08-26 10:14:52 +0200 | [diff] [blame] | 65 | list(APPEND MARCH_VARIANTS "avx2\;-march=core-avx2 -mtune=core-avx2") |
| 66 | endif() |
Damjan Marion | 33ed3e4 | 2018-08-27 15:59:30 +0200 | [diff] [blame] | 67 | check_c_compiler_flag("-march=skylake-avx512" compiler_flag_march_skylake_avx512) |
| 68 | if(compiler_flag_march_skylake_avx512) |
Damjan Marion | d16004d | 2018-08-26 10:14:52 +0200 | [diff] [blame] | 69 | list(APPEND MARCH_VARIANTS "avx512\;-march=skylake-avx512 -mtune=skylake-avx512") |
| 70 | endif() |
| 71 | elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)") |
| 72 | set(CMAKE_C_FLAGS "-march=armv8-a+crc ${CMAKE_C_FLAGS}") |
Lijian Zhang | 2e23721 | 2018-09-10 17:13:56 +0800 | [diff] [blame] | 73 | check_c_compiler_flag("-march=armv8-a+crc+crypto -mtune=qdf24xx" compiler_flag_march_core_qdf24xx) |
| 74 | if(compiler_flag_march_core_qdf24xx) |
| 75 | list(APPEND MARCH_VARIANTS "qdf24xx\;-march=armv8-a+crc+crypto -DCLIB_N_PREFETCHES=8") |
| 76 | endif() |
| 77 | check_c_compiler_flag("-march=armv8.1-a+crc+crypto -mtune=thunderx2t99" compiler_flag_march_thunderx2t99) |
| 78 | if(compiler_flag_march_thunderx2t99) |
| 79 | if (CMAKE_C_COMPILER_VERSION VERSION_GREATER 7.3) |
| 80 | list(APPEND MARCH_VARIANTS "thunderx2t99\;-march=armv8.1-a+crc+crypto -mtune=thunderx2t99 -DCLIB_N_PREFETCHES=8") |
| 81 | else() |
| 82 | list(APPEND MARCH_VARIANTS "thunderx2t99\;-march=armv8.1-a+crc+crypto -DCLIB_N_PREFETCHES=8") |
| 83 | endif() |
| 84 | endif() |
| 85 | check_c_compiler_flag("-march=armv8-a+crc+crypto -mtune=cortex-a72" compiler_flag_march_cortexa72) |
| 86 | if(compiler_flag_march_cortexa72) |
| 87 | list(APPEND MARCH_VARIANTS "cortexa72\;-march=armv8-a+crc+crypto -mtune=cortex-a72 -DCLIB_N_PREFETCHES=6") |
| 88 | endif() |
Damjan Marion | d16004d | 2018-08-26 10:14:52 +0200 | [diff] [blame] | 89 | endif() |
| 90 | |
| 91 | macro(vpp_library_set_multiarch_sources lib) |
| 92 | foreach(V ${MARCH_VARIANTS}) |
| 93 | list(GET V 0 VARIANT) |
| 94 | list(GET V 1 VARIANT_FLAGS) |
| 95 | set(l ${lib}_${VARIANT}) |
| 96 | add_library(${l} OBJECT ${ARGN}) |
| 97 | set_target_properties(${l} PROPERTIES POSITION_INDEPENDENT_CODE ON) |
BenoƮt Ganne | 47727c0 | 2019-02-12 13:35:08 +0100 | [diff] [blame] | 98 | target_compile_options(${l} PUBLIC "-DCLIB_MARCH_VARIANT=${VARIANT}" -Wall -fno-common) |
Damjan Marion | d16004d | 2018-08-26 10:14:52 +0200 | [diff] [blame] | 99 | separate_arguments(VARIANT_FLAGS) |
| 100 | target_compile_options(${l} PUBLIC ${VARIANT_FLAGS}) |
| 101 | target_sources(${lib} PRIVATE $<TARGET_OBJECTS:${l}>) |
| 102 | endforeach() |
| 103 | endmacro() |
| 104 | |