81 lines
3.7 KiB
Bash
81 lines
3.7 KiB
Bash
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#!/bin/sh
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# This software is part of libcsdr, a set of simple DSP routines for
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# Software Defined Radio.
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#
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# Copyright (c) 2014, Andras Retzler <randras@sdr.hu>
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# Copyright (c) 2019, MeFisto94
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# This file will try to detect the correct GCC optimization parameters, especially when running on ARM Platforms such as the Raspberry Pi
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# Desktop Processors
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if grep -q sse /proc/cpuinfo; then
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if grep -q sse /proc/cpuinfo; then
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PARAMS_SSE="$PARAMS_SSE-msse"
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fi
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if grep -q sse2 /proc/cpuinfo; then
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PARAMS_SSE="$PARAMS_SSE -msse2"
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fi
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if grep -q sse3 /proc/cpuinfo; then
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PARAMS_SSE="$PARAMS_SSE -msse3"
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fi
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if grep -q sse4a /proc/cpuinfo; then
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PARAMS_SSE="$PARAMS_SSE -msse4a"
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fi
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if grep -q sse4_1 /proc/cpuinfo; then
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PARAMS_SSE="$PARAMS_SSE -msse4.1"
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fi
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# TODO: Is this "-msse4" only for sse4_2 intended?
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if grep -q sse4_2 /proc/cpuinfo; then
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PARAMS_SSE="$PARAMS_SSE -msse4.2 -msse4"
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fi
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echo "$PARAMS_SSE -mfpmath=sse"
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return 0
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else
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ARCH = $(uname -m)
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# Detect Raspberry Pi
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if grep -q /proc/device-tree/model Raspberry; then
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if $ARCH eq "aarch64"; then # Probably RPi 3+ on 64bit
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# Float ABI is always hard on AARCH64. TODO: Does RPi 1 or 2 also have aarch64?
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PARAMS_PI = "-mcpu=cortex-a53 -mtune=cortex-a53"
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else # note -mcpu replaces -march
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# See https://gist.github.com/fm4dd/c663217935dc17f0fc73c9c81b0aa845
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if grep -q /proc/device-tree/model 3; then
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PARAMS_PI = "-mcpu=cortex-a53 -mfloat-abi=hard -mfpu=neon-fp-armv8 -mneon-for-64bits"
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elif grep -q /proc/device-tree/model 2; then
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PARAMS_PI = "-mcpu=cortex-a7 -mfloat-abi=hard -mfpu=neon-vfpv4"
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elif grep -q /proc/device-tree/model 1; then
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PARAMS_PI = "-mcpu=arm1176jzf-s -mfloat-abi=hard -mfpu=vfp"
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fi
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fi
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PARAMS_ARM = "$PARAMS_PI -funsafe-math-optimizations -Wformat=0"
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else # Generic ARM Device
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# Most likely mtune is incorrect here
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PARAMS_ARM = "-mfloat-abi=hard -march=`uname -m` -mtune=cortex-a8 -mfpu=neon -mvectorize-with-neon-quad -funsafe-math-optimizations -Wformat=0 -DNEON_OPTS"
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fi
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echo $PARAMS_ARM
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return 0
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fi
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