| # |
| # Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| # |
| # This source code is subject to the terms of the BSD 3-Clause Clear License and |
| # the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| # License was not distributed with this source code in the LICENSE file, you can |
| # obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 aomedia.org/license/patent-license/. |
| # |
| if(AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_) |
| return() |
| endif() # 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 STRING "" FORCE) |