kopia lustrzana https://github.com/hoglet67/RGBtoHDMI
90 wiersze
3.8 KiB
CMake
90 wiersze
3.8 KiB
CMake
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# Part of the Raspberry-Pi Bare Metal Tutorials
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# Copyright (c) 2013-2015, Brian Sidebotham
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# All rights reserved.
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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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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# 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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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# A CMake toolchain file so we can cross-compile for the Rapsberry-Pi bare-metal
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include(CMakeForceCompiler)
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# usage
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# cmake -DCMAKE_TOOLCHAIN_FILE=../toolchain-arm-none-eabi.cmake ../
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# The Generic system name is used for embedded targets (targets without OS) in
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# CMake
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set( CMAKE_SYSTEM_NAME Generic )
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set( CMAKE_SYSTEM_PROCESSOR BCM2835 )
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# Set a toolchain path. You only need to set this if the toolchain isn't in
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# your system path. Don't forget a trailing path separator!
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set( TC_PATH "" )
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# The toolchain prefix for all toolchain executables
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set( CROSS_COMPILE arm-none-eabi- )
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# specify the cross compiler. We force the compiler so that CMake doesn't
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# attempt to build a simple test program as this will fail without us using
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# the -nostartfiles option on the command line
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CMAKE_FORCE_C_COMPILER( ${TC_PATH}${CROSS_COMPILE}gcc GNU )
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# We must set the OBJCOPY setting into cache so that it's available to the
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# whole project. Otherwise, this does not get set into the CACHE and therefore
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# the build doesn't know what the OBJCOPY filepath is
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set( CMAKE_OBJCOPY ${TC_PATH}${CROSS_COMPILE}objcopy
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CACHE FILEPATH "The toolchain objcopy command " FORCE )
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# Set the CMAKE C flags (which should also be used by the assembler!
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#use hardware floating point
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set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=hard" )
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set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mno-unaligned-access" )
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#pi1 flags
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#set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv6zk" )
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#set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mtune=arm1176jzf-s" )
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#set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp" )
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#pi2 flags
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#set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv7-a" )
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#set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mtune=cortex-a7" )
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#set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=neon-vfpv4" )
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#pi3 flags
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#set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv8-a" )
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#set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mtune=cortex-a53" )
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#set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=crypto-neon-fp-armv8" )
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#current flags for all
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set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv6zk" )
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set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mtune=arm1176jzf-s" )
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set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp" )
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set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "" )
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set( CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -march=armv7-a" )
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set( CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -mfpu=neon-vfpv4" )
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set( CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS}" CACHE STRING "" )
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set( KERNEL_NAME "./kernelrpi.img" )
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