blob: 0544c45555ee7cc0accb4aa43d5035be59817747 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
# Copyright (c) 2017 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# 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}")
|
