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Adds toolchain file for Raspberry Pi 5 #778

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Nov 20, 2024
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Adds toolchain file for Raspberry Pi 5 #778

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5 changes: 3 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -74,12 +74,13 @@ To build for these boards you need specify the correct cmake toolchain file for

_Note: There is no need for adding extra options to the compiler for 64 bit._

* Raspberry Pi 5 `arm_cortex_a76_hardfp_native.cmake`
* Raspberry Pi 4 `arm_cortex_a72_hardfp_native.cmake`
* Raspberry Pi 3 `arm_cortex_a53_hardfp_native.cmake`

```bash
$ mkdir build && cd build
$ cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchains/arm_cortex_a72_hardfp_native.cmake ..
$ cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchains/arm_cortex_a76_hardfp_native.cmake ..
# make -j4 might be faster
$ make
$ make test
Expand Down Expand Up @@ -136,4 +137,4 @@ notices at the top of source files list which years changes have been
made. For some files, changes have occurred in many consecutive years.
These files may often have the format of a year range (e.g., "2006 - 2011"),
which indicates that these files have had copyrightable changes made
during each year in the range, inclusive.
during each year in the range, inclusive.
21 changes: 21 additions & 0 deletions cmake/Toolchains/arm_cortex_a76_hardfp_native.cmake
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@@ -0,0 +1,21 @@
#
# This file is part of VOLK
#
# SPDX-License-Identifier: LGPL-3.0-or-later
#

########################################################################
# Toolchain file for building native on a ARM Cortex A76 w/ NEON
# Usage: cmake -DCMAKE_TOOLCHAIN_FILE=<this file> <source directory>
########################################################################
set(CMAKE_CXX_COMPILER g++)
set(CMAKE_C_COMPILER gcc)
set(CMAKE_CXX_FLAGS
"-march=armv8.2-a -mtune=cortex-a76 -mfpu=neon-fp-armv8 -mfloat-abi=hard"
CACHE STRING "" FORCE)
set(CMAKE_C_FLAGS
${CMAKE_CXX_FLAGS}
CACHE STRING "" FORCE) #same flags for C sources
set(CMAKE_ASM_FLAGS
"${CMAKE_CXX_FLAGS} -mthumb -g"
CACHE STRING "" FORCE) #same flags for asm sources