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      1 #
      2 # Copyright (c) 2017, Alliance for Open Media. All rights reserved
      3 #
      4 # This source code is subject to the terms of the BSD 2 Clause License and the
      5 # Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
      6 # not distributed with this source code in the LICENSE file, you can obtain it
      7 # at www.aomedia.org/license/software. If the Alliance for Open Media Patent
      8 # License 1.0 was not distributed with this source code in the PATENTS file, you
      9 # can obtain it at www.aomedia.org/license/patent.
     10 #
     11 if(AOM_BUILD_CMAKE_TOOLCHAINS_MIPS64_LINUX_GCC_CMAKE_)
     12   return()
     13 endif() # AOM_BUILD_CMAKE_TOOLCHAINS_MIPS64_LINUX_GCC_CMAKE_
     14 set(AOM_BUILD_CMAKE_TOOLCHAINS_MIPS64_LINUX_GCC_CMAKE_ 1)
     15 
     16 set(CMAKE_SYSTEM_NAME "Linux")
     17 
     18 if("${CROSS}" STREQUAL "")
     19 
     20   # TODO(tomfinegan): Make it possible to turn this off. The $CROSS prefix won't
     21   # be desired on a mips host.
     22   #
     23   # Default the cross compiler prefix to something known to work.
     24   set(CROSS mips-img-linux-gnu-)
     25 endif()
     26 
     27 if(ENABLE_MSA)
     28   set(HAVE_MSA 1 CACHE BOOL "" FORCE)
     29   set(MIPS_CFLAGS "-mmsa")
     30   set(MIPS_CXXFLAGS "-mmsa")
     31 endif()
     32 
     33 if("${MIPS_CPU}" STREQUAL "i6400" OR "${MIPS_CPU}" STREQUAL "p6600")
     34   set(MIPS_CPU_FLAGS "-mips64r6 -mabi=64 -mload-store-pairs -msched-weight")
     35   set(MIPS_CPU_FLAGS "${MIPS_CPU_FLAGS} -mhard-float -mfp64")
     36   set(MIPS_CFLAGS "${MIPS_CFLAGS} ${MIPS_CPU_FLAGS}")
     37   set(MIPS_CXXFLAGS "${MIPS_CXXFLAGS} ${MIPS_CPU_FLAGS}")
     38   set(CMAKE_EXE_LINKER_FLAGS
     39       "-mips64r6 -mabi64 -mfp64 ${CMAKE_EXE_LINKER_FLAGS}")
     40 endif()
     41 
     42 set(CMAKE_C_COMPILER ${CROSS}gcc)
     43 set(CMAKE_CXX_COMPILER ${CROSS}g++)
     44 set(AS_EXECUTABLE ${CROSS}as)
     45 set(CMAKE_C_COMPILER_ARG1 "-EL ${MIPS_CFLAGS}")
     46 set(CMAKE_CXX_COMPILER_ARG1 "-EL ${MIPS_CXXFLAGS}")
     47 set(CMAKE_SYSTEM_PROCESSOR "mips64")
     48 
     49 # No runtime cpu detect for mips64-linux-gcc.
     50 if(CONFIG_RUNTIME_CPU_DETECT)
     51   message("--- CONFIG_RUNTIME_CPU_DETECT not supported for mips64 targets.")
     52 endif()
     53 
     54 set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "" FORCE)
     55