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##
## Copyright (c) 2017, Alliance for Open Media. All rights reserved
##
## This source code is subject to the terms of the BSD 2 Clause License and
## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
## was not distributed with this source code in the LICENSE file, you can
## obtain it at www.aomedia.org/license/software. If the Alliance for Open
## Media Patent License 1.0 was not distributed with this source code in the
## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
##
if (NOT AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_)
set(AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_ 1)
set(CMAKE_SYSTEM_NAME "Linux")
if (ENABLE_DSPR2 AND ENABLE_MSA)
message(FATAL_ERROR "ENABLE_DSPR2 and ENABLE_MSA cannot be combined.")
endif ()
if (ENABLE_DSPR2)
set(HAVE_DSPR2 1 CACHE BOOL "" FORCE)
if ("${CROSS}" STREQUAL "")
# Default the cross compiler prefix to something known to work.
set(CROSS mips-linux-gnu-)
endif ()
set(MIPS_CFLAGS "-mdspr2")
set(MIPS_CXXFLAGS "-mdspr2")
elseif (ENABLE_MSA)
set(HAVE_MSA 1 CACHE BOOL "" FORCE)
if ("${CROSS}" STREQUAL "")
# Default the cross compiler prefix to something known to work.
set(CROSS mips-mti-linux-gnu-)
endif ()
set(MIPS_CFLAGS "-mmsa")
set(MIPS_CXXFLAGS "-mmsa")
endif ()
if ("${CROSS}" STREQUAL "")
# TODO(tomfinegan): Make it possible to turn this off. The $CROSS prefix
# won't be desired on a mips host.
# Default cross compiler prefix to something that might work for an
# unoptimized build.
set(CROSS mips-linux-gnu-)
endif ()
if ("${MIPS_CPU}" STREQUAL "")
set(MIPS_CFLAGS "${MIPS_CFLAGS} -mips32r2")
set(MIPS_CXXFLAGS "${MIPS_CXXFLAGS} -mips32r2")
elseif ("${MIPS_CPU}" STREQUAL "p5600")
set(P56_FLAGS
"-mips32r5 -mload-store-pairs -msched-weight -mhard-float -mfp64")
set(MIPS_CFLAGS "${MIPS_CFLAGS} ${P56_FLAGS}")
set(MIPS_CXXFLAGS "${MIPS_CXXFLAGS} ${P56_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "-mfp64 ${CMAKE_EXE_LINKER_FLAGS}")
endif ()
set(CMAKE_C_COMPILER ${CROSS}gcc)
set(CMAKE_CXX_COMPILER ${CROSS}g++)
set(AS_EXECUTABLE ${CROSS}as)
set(CMAKE_C_COMPILER_ARG1 "-EL ${MIPS_CFLAGS}")
set(CMAKE_CXX_COMPILER_ARG1 "-EL ${MIPS_CXXFLAGS}")
set(CMAKE_SYSTEM_PROCESSOR "mips32")
# No runtime cpu detect for mips32-linux-gcc.
if (CONFIG_RUNTIME_CPU_DETECT)
message("--- CONFIG_RUNTIME_CPU_DETECT not supported for mips32 targets.")
endif ()
set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "" FORCE)
endif () # AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_
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