Add mips32 support to the cmake build.

Requires use of new cmake toolchain file: $ cmake path/to/aom -DCMAKE_TOOLCHAIN_FILE=path/to/aom/build/cmake/toolchains/mips32-linux-gcc.cmake DSPR2 and MSA are supported via addition of -DENABLE_DSPR2=1 and -DENABLE_MSA=1 respectively. Note that the latter requires the addition of -DMIPS_CPU=p5600. BUG=https://bugs.chromium.org/p/aomedia/issues/detail?id=76 Change-Id: Idf7d7f2daecf18cc45b834166eaf34ee9f414d49
2017-04-04 14:48:26 -07:00 · 2017-04-04 14:48:26 -07:00 · d148c9637c
--- a/aom_dsp/aom_dsp.cmake
+++ b/aom_dsp/aom_dsp.cmake
@ -119,6 +119,59 @@ if ("${AOM_TARGET_CPU}" STREQUAL "arm64")
      "${AOM_ROOT}/aom_dsp/arm/loopfilter_8_neon.c")
 endif ()

+set(AOM_DSP_COMMON_INTRIN_DSPR2
+    "${AOM_ROOT}/aom_dsp/mips/common_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/common_dspr2.h"
+    "${AOM_ROOT}/aom_dsp/mips/convolve2_avg_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve2_avg_horiz_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve2_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve2_horiz_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve2_vert_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve8_avg_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve8_avg_horiz_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve8_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve8_horiz_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve8_vert_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/convolve_common_dspr2.h"
+    "${AOM_ROOT}/aom_dsp/mips/intrapred16_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/intrapred4_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/intrapred8_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/inv_txfm_dspr2.h"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_filters_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_filters_dspr2.h"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_macros_dspr2.h"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_masks_dspr2.h"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_mb_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_mb_horiz_dspr2.c"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_mb_vert_dspr2.c")
+
+set(AOM_DSP_COMMON_INTRIN_MSA
+    "${AOM_ROOT}/aom_dsp/mips/add_noise_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/aom_convolve8_avg_horiz_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/aom_convolve8_avg_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/aom_convolve8_avg_vert_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/aom_convolve8_horiz_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/aom_convolve8_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/aom_convolve8_vert_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/aom_convolve_avg_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/aom_convolve_copy_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/aom_convolve_msa.h"
+    "${AOM_ROOT}/aom_dsp/mips/fwd_dct32x32_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/fwd_txfm_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/fwd_txfm_msa.h"
+    "${AOM_ROOT}/aom_dsp/mips/idct16x16_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/idct32x32_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/idct4x4_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/idct8x8_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/intrapred_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/inv_txfm_msa.h"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_16_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_4_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_8_msa.c"
+    "${AOM_ROOT}/aom_dsp/mips/loopfilter_msa.h"
+    "${AOM_ROOT}/aom_dsp/mips/macros_msa.h"
+    "${AOM_ROOT}/aom_dsp/mips/txfm_macros_msa.h")
+
 if (CONFIG_HIGHBITDEPTH)
  set(AOM_DSP_COMMON_ASM_SSE2
      ${AOM_DSP_COMMON_ASM_SSE2}
@ -127,6 +180,14 @@ if (CONFIG_HIGHBITDEPTH)
  set(AOM_DSP_COMMON_INTRIN_SSE2
      ${AOM_DSP_COMMON_INTRIN_SSE2}
      "${AOM_ROOT}/aom_dsp/x86/highbd_loopfilter_sse2.c")
+else ()
+  set(AOM_DSP_COMMON_INTRIN_DSPR2
+      ${AOM_DSP_COMMON_INTRIN_DSPR2}
+      "${AOM_ROOT}/aom_dsp/mips/itrans16_dspr2.c"
+      "${AOM_ROOT}/aom_dsp/mips/itrans32_cols_dspr2.c"
+      "${AOM_ROOT}/aom_dsp/mips/itrans32_dspr2.c"
+      "${AOM_ROOT}/aom_dsp/mips/itrans4_dspr2.c"
+      "${AOM_ROOT}/aom_dsp/mips/itrans8_dspr2.c")
 endif ()

 if (CONFIG_ANS)
@ -263,6 +324,13 @@ if (CONFIG_ENCODERS)
        ${AOM_DSP_ENCODER_AVX_ASM_X86_64}
        "${AOM_ROOT}/aom_dsp/x86/quantize_avx_x86_64.asm")

+    set(AOM_DSP_ENCODER_INTRIN_MSA
+        "${AOM_ROOT}/aom_dsp/mips/avg_msa.c"
+        "${AOM_ROOT}/aom_dsp/mips/sad_msa.c"
+        "${AOM_ROOT}/aom_dsp/mips/subtract_msa.c"
+        "${AOM_ROOT}/aom_dsp/mips/variance_msa.c"
+        "${AOM_ROOT}/aom_dsp/mips/sub_pixel_variance_msa.c")
+
    if (CONFIG_HIGHBITDEPTH)
      set(AOM_DSP_ENCODER_INTRIN_SSE2
          ${AOM_DSP_ENCODER_INTRIN_SSE2}
@ -425,6 +493,21 @@ function (setup_aom_dsp_targets)
    add_intrinsics_object_library("${AOM_NEON_INTRIN_FLAG}" "neon"
                                  "aom_dsp_common" "AOM_DSP_COMMON_INTRIN_NEON")
  endif ()
+
+  if (HAVE_DSPR2)
+    add_intrinsics_object_library("" "dspr2" "aom_dsp_common"
+                                  "AOM_DSP_COMMON_INTRIN_DSPR2")
+  endif ()
+
+  if (HAVE_MSA)
+    add_intrinsics_object_library("" "msa" "aom_dsp_common"
+                                  "AOM_DSP_COMMON_INTRIN_MSA")
+    if (CONFIG_ENCODERS)
+      add_intrinsics_object_library("" "msa" "aom_dsp_encoder"
+                                    "AOM_DSP_ENCODER_INTRIN_MSA")
+    endif ()
+  endif ()
+
  # Pass the new lib targets up to the parent scope instance of
  # $AOM_LIB_TARGETS.
  set(AOM_LIB_TARGETS ${AOM_LIB_TARGETS} PARENT_SCOPE)
--- a/aom_scale/aom_scale.cmake
+++ b/aom_scale/aom_scale.cmake
@ -16,10 +16,19 @@ set(AOM_SCALE_SOURCES
    "${AOM_ROOT}/aom_scale/generic/yv12extend.c"
    "${AOM_ROOT}/aom_scale/yv12config.h")

+set(AOM_SCALE_INTRIN_DSPR2
+    "${AOM_ROOT}/aom_scale/mips/dspr2/yv12extend_dspr2.c")
+
 # Creates the aom_scale build target and makes libaom depend on it. The libaom
 # target must exist before this function is called.
 function (setup_aom_scale_targets)
  add_library(aom_scale OBJECT ${AOM_SCALE_SOURCES})
-  set(AOM_LIB_TARGETS ${AOM_LIB_TARGETS} aom_scale PARENT_SCOPE)
  target_sources(aom PUBLIC $<TARGET_OBJECTS:aom_scale>)
+
+  if (HAVE_DSPR2)
+    add_intrinsics_object_library("" "dspr2" "aom_scale"
+                                  "AOM_SCALE_INTRIN_DSPR2")
+  endif ()
+
+  set(AOM_LIB_TARGETS ${AOM_LIB_TARGETS} aom_scale PARENT_SCOPE)
 endfunction ()
--- a/av1/av1.cmake
+++ b/av1/av1.cmake
@ -165,6 +165,16 @@ set(AOM_AV1_COMMON_SSE4_1_INTRIN
 set(AOM_AV1_COMMON_AVX2_INTRIN
    "${AOM_ROOT}/av1/common/x86/hybrid_inv_txfm_avx2.c")

+set(AOM_AV1_COMMON_DSPR2_INTRIN
+    "${AOM_ROOT}/av1/common/mips/dspr2/av1_itrans16_dspr2.c"
+    "${AOM_ROOT}/av1/common/mips/dspr2/av1_itrans4_dspr2.c"
+    "${AOM_ROOT}/av1/common/mips/dspr2/av1_itrans8_dspr2.c")
+
+set(AOM_AV1_COMMON_MSA_INTRIN
+    "${AOM_ROOT}/av1/common/mips/msa/av1_idct16x16_msa.c"
+    "${AOM_ROOT}/av1/common/mips/msa/av1_idct4x4_msa.c"
+    "${AOM_ROOT}/av1/common/mips/msa/av1_idct8x8_msa.c")
+
 set(AOM_AV1_ENCODER_SSE2_ASM
    "${AOM_ROOT}/av1/encoder/x86/dct_sse2.asm"
    "${AOM_ROOT}/av1/encoder/x86/error_sse2.asm"
@ -188,6 +198,14 @@ set(AOM_AV1_ENCODER_AVX2_INTRIN
 set(AOM_AV1_ENCODER_NEON_INTRIN
    "${AOM_ROOT}/av1/encoder/arm/neon/quantize_neon.c")

+set(AOM_AV1_ENCODER_MSA_INTRIN
+    "${AOM_ROOT}/av1/encoder/mips/msa/error_msa.c"
+    "${AOM_ROOT}/av1/encoder/mips/msa/fdct16x16_msa.c"
+    "${AOM_ROOT}/av1/encoder/mips/msa/fdct4x4_msa.c"
+    "${AOM_ROOT}/av1/encoder/mips/msa/fdct8x8_msa.c"
+    "${AOM_ROOT}/av1/encoder/mips/msa/fdct_msa.h"
+    "${AOM_ROOT}/av1/encoder/mips/msa/temporal_filter_msa.c")
+
 if (CONFIG_ACCOUNTING)
  set(AOM_AV1_COMMON_SOURCES
      ${AOM_AV1_COMMON_SOURCES}
@ -471,6 +489,19 @@ function (setup_av1_targets)
                                    "AOM_AV1_ENCODER_NEON_INTRIN")
    endif ()
  endif ()
+
+  if (HAVE_DSPR2)
+    add_intrinsics_object_library("" "dspr2" "aom_av1_common"
+                                  "AOM_AV1_COMMON_DSPR2_INTRIN")
+  endif ()
+
+  if (HAVE_MSA)
+    add_intrinsics_object_library("" "msa" "aom_av1_common"
+                                  "AOM_AV1_COMMON_MSA_INTRIN")
+    add_intrinsics_object_library("" "msa" "aom_av1_encoder"
+                                  "AOM_AV1_ENCODER_MSA_INTRIN")
+  endif ()
+
  # Pass the new lib targets up to the parent scope instance of
  # $AOM_LIB_TARGETS.
  set(AOM_LIB_TARGETS ${AOM_LIB_TARGETS} PARENT_SCOPE)
--- a/build/cmake/aom_configure.cmake
+++ b/build/cmake/aom_configure.cmake
@ -57,7 +57,8 @@ if (NOT AOM_TARGET_CPU)
  elseif ("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "i386" OR
          "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86")
    set(AOM_TARGET_CPU "x86")
-  elseif ("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "^arm")
+  elseif ("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "^arm" OR
+          "${CMAKE_SYSTEM_PROCESSOR}" MATCHES "^mips")
    set(AOM_TARGET_CPU "${CMAKE_SYSTEM_PROCESSOR}")
  endif ()
 endif ()
--- a/build/cmake/targets/mips32.cmake
+++ b/build/cmake/targets/mips32.cmake
@ -0,0 +1,32 @@
+##
+## 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.
+##
+set(AOM_ARCH "mips32")
+set(ARCH_MIPS 1)
+
+# Assembly flavors available for the target.
+set(HAVE_MIPS32 1)
+
+# RTCD versions of assembly flavor flags ("yes" means on in rtcd.pl, not 1).
+set(RTCD_ARCH_MIPS "yes")
+
+if (HAVE_DSPR2)
+  set(RTCD_HAVE_DSPR2 "yes")
+endif ()
+
+if (HAVE_MSA)
+  set(RTCD_HAVE_MSA "yes")
+endif ()
+
+foreach (config_var ${AOM_CONFIG_VARS})
+  if (${${config_var}})
+    set(RTCD_${config_var} yes)
+  endif ()
+endforeach ()
--- a/build/cmake/targets/rtcd_templates/mips32.rtcd.cmake
+++ b/build/cmake/targets/rtcd_templates/mips32.rtcd.cmake
@ -0,0 +1,126 @@
+##
+## 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.
+##
+ARCH_MIPS=${RTCD_ARCH_MIPS}
+HAVE_MIPS32=${RTCD_HAVE_MIPS32}
+HAVE_DSPR2=${RTCD_HAVE_DSPR2}
+HAVE_MSA=${RTCD_HAVE_MSA}
+
+CONFIG_ACCOUNTING=${RTCD_CONFIG_ACCOUNTING}
+CONFIG_INSPECTION=${RTCD_CONFIG_INSPECTION}
+CONFIG_ADAPT_SCAN=${RTCD_CONFIG_ADAPT_SCAN}
+CONFIG_ALT_INTRA=${RTCD_CONFIG_ALT_INTRA}
+CONFIG_ANS=${RTCD_CONFIG_ANS}
+CONFIG_AOM_HIGHBITDEPTH=${RTCD_CONFIG_AOM_HIGHBITDEPTH}
+CONFIG_AOM_QM=${RTCD_CONFIG_AOM_QM}
+CONFIG_AV1=${RTCD_CONFIG_AV1}
+CONFIG_AV1_DECODER=${RTCD_CONFIG_AV1_DECODER}
+CONFIG_AV1_ENCODER=${RTCD_CONFIG_AV1_ENCODER}
+CONFIG_BIG_ENDIAN=${RTCD_CONFIG_BIG_ENDIAN}
+CONFIG_BITSTREAM_DEBUG=${RTCD_CONFIG_BITSTREAM_DEBUG}
+CONFIG_CB4X4=${RTCD_CONFIG_CB4X4}
+CONFIG_CDEF=${RTCD_CONFIG_CDEF}
+CONFIG_CHROMA_2X2=${RTCD_CONFIG_CHROMA_2X2}
+CONFIG_CODEC_SRCS=${RTCD_CONFIG_CODEC_SRCS}
+CONFIG_COEFFICIENT_RANGE_CHECKING=${RTCD_CONFIG_COEFFICIENT_RANGE_CHECKING}
+CONFIG_COEF_INTERLEAVE=${RTCD_CONFIG_COEF_INTERLEAVE}
+CONFIG_COMPOUND_SEGMENT=${RTCD_CONFIG_COMPOUND_SEGMENT}
+CONFIG_CONVOLVE_ROUND=${RTCD_CONFIG_CONVOLVE_ROUND}
+CONFIG_DAALA_DIST=${RTCD_CONFIG_DAALA_DIST}
+CONFIG_DAALA_EC=${RTCD_CONFIG_DAALA_EC}
+CONFIG_DEBUG=${RTCD_CONFIG_DEBUG}
+CONFIG_DEBUG_LIBS=${RTCD_CONFIG_DEBUG_LIBS}
+CONFIG_DECODERS=${RTCD_CONFIG_DECODERS}
+CONFIG_DECODE_PERF_TESTS=${RTCD_CONFIG_DECODE_PERF_TESTS}
+CONFIG_DELTA_Q=${RTCD_CONFIG_DELTA_Q}
+CONFIG_DEPENDENCY_TRACKING=${RTCD_CONFIG_DEPENDENCY_TRACKING}
+CONFIG_DEPENDENT_HORZTILES=${RTCD_CONFIG_DEPENDENT_HORZTILES}
+CONFIG_DUAL_FILTER=${RTCD_CONFIG_DUAL_FILTER}
+CONFIG_EC_ADAPT=${RTCD_CONFIG_EC_ADAPT}
+CONFIG_EC_MULTISYMBOL=${RTCD_CONFIG_EC_MULTISYMBOL}
+CONFIG_EMULATE_HARDWARE=${RTCD_CONFIG_EMULATE_HARDWARE}
+CONFIG_ENCODERS=${RTCD_CONFIG_ENCODERS}
+CONFIG_ENCODE_PERF_TESTS=${RTCD_CONFIG_ENCODE_PERF_TESTS}
+CONFIG_ENTROPY=${RTCD_CONFIG_ENTROPY}
+CONFIG_ENTROPY_STATS=${RTCD_CONFIG_ENTROPY_STATS}
+CONFIG_ERROR_CONCEALMENT=${RTCD_CONFIG_ERROR_CONCEALMENT}
+CONFIG_EXPERIMENTAL=${RTCD_CONFIG_EXPERIMENTAL}
+CONFIG_EXTERNAL_BUILD=${RTCD_CONFIG_EXTERNAL_BUILD}
+CONFIG_EXT_INTER=${RTCD_CONFIG_EXT_INTER}
+CONFIG_EXT_INTRA=${RTCD_CONFIG_EXT_INTRA}
+CONFIG_EXT_PARTITION=${RTCD_CONFIG_EXT_PARTITION}
+CONFIG_EXT_PARTITION_TYPES=${RTCD_CONFIG_EXT_PARTITION_TYPES}
+CONFIG_EXT_REFS=${RTCD_CONFIG_EXT_REFS}
+CONFIG_EXT_TILE=${RTCD_CONFIG_EXT_TILE}
+CONFIG_EXT_TX=${RTCD_CONFIG_EXT_TX}
+CONFIG_FILTER_7BIT=${RTCD_CONFIG_FILTER_7BIT}
+CONFIG_FILTER_INTRA=${RTCD_CONFIG_FILTER_INTRA}
+CONFIG_FP_MB_STATS=${RTCD_CONFIG_FP_MB_STATS}
+CONFIG_FRAME_SIZE=${RTCD_CONFIG_FRAME_SIZE}
+CONFIG_GCC=${RTCD_CONFIG_GCC}
+CONFIG_GCOV=${RTCD_CONFIG_GCOV}
+CONFIG_GLOBAL_MOTION=${RTCD_CONFIG_GLOBAL_MOTION}
+CONFIG_GPROF=${RTCD_CONFIG_GPROF}
+CONFIG_INSTALL_BINS=${RTCD_CONFIG_INSTALL_BINS}
+CONFIG_INSTALL_DOCS=${RTCD_CONFIG_INSTALL_DOCS}
+CONFIG_INSTALL_LIBS=${RTCD_CONFIG_INSTALL_LIBS}
+CONFIG_INSTALL_SRCS=${RTCD_CONFIG_INSTALL_SRCS}
+CONFIG_INTERNAL_STATS=${RTCD_CONFIG_INTERNAL_STATS}
+CONFIG_INTRA_INTERP=${RTCD_CONFIG_INTRA_INTERP}
+CONFIG_LIBYUV=${RTCD_CONFIG_LIBYUV}
+CONFIG_LOOPFILTERING_ACROSS_TILES=${RTCD_CONFIG_LOOPFILTERING_ACROSS_TILES}
+CONFIG_LOOP_RESTORATION=${RTCD_CONFIG_LOOP_RESTORATION}
+CONFIG_LOWBITDEPTH=${RTCD_CONFIG_LOWBITDEPTH}
+CONFIG_LV_MAP=${RTCD_CONFIG_LV_MAP}
+CONFIG_MASKED_TX=${RTCD_CONFIG_MASKED_TX}
+CONFIG_MOTION_VAR=${RTCD_CONFIG_MOTION_VAR}
+CONFIG_MSVS=${RTCD_CONFIG_MSVS}
+CONFIG_MULTITHREAD=${RTCD_CONFIG_MULTITHREAD}
+CONFIG_MV_COMPRESS=${RTCD_CONFIG_MV_COMPRESS}
+CONFIG_NCOBMC=${RTCD_CONFIG_NCOBMC}
+CONFIG_NEW_QUANT=${RTCD_CONFIG_NEW_QUANT}
+CONFIG_NEW_TOKENSET=${RTCD_CONFIG_NEW_TOKENSET}
+CONFIG_ONTHEFLY_BITPACKING=${RTCD_CONFIG_ONTHEFLY_BITPACKING}
+CONFIG_OS_SUPPORT=${RTCD_CONFIG_OS_SUPPORT}
+CONFIG_PALETTE=${RTCD_CONFIG_PALETTE}
+CONFIG_PALETTE_THROUGHPUT=${RTCD_CONFIG_PALETTE_THROUGHPUT}
+CONFIG_PARALLEL_DEBLOCKING=${RTCD_CONFIG_PARALLEL_DEBLOCKING}
+CONFIG_PIC=${RTCD_CONFIG_PIC}
+CONFIG_POSTPROC=${RTCD_CONFIG_POSTPROC}
+CONFIG_POSTPROC_VISUALIZER=${RTCD_CONFIG_POSTPROC_VISUALIZER}
+CONFIG_PVQ=${RTCD_CONFIG_PVQ}
+CONFIG_RAWBITS=${RTCD_CONFIG_RAWBITS}
+CONFIG_RD_DEBUG=${RTCD_CONFIG_RD_DEBUG}
+CONFIG_REALTIME_ONLY=${RTCD_CONFIG_REALTIME_ONLY}
+CONFIG_RECT_TX=${RTCD_CONFIG_RECT_TX}
+CONFIG_REFERENCE_BUFFER=${RTCD_CONFIG_REFERENCE_BUFFER}
+CONFIG_REF_ADAPT=${RTCD_CONFIG_REF_ADAPT}
+CONFIG_REF_MV=${RTCD_CONFIG_REF_MV}
+CONFIG_RUNTIME_CPU_DETECT=${RTCD_CONFIG_RUNTIME_CPU_DETECT}
+CONFIG_RVCT=${RTCD_CONFIG_RVCT}
+CONFIG_SHARED=${RTCD_CONFIG_SHARED}
+CONFIG_SIZE_LIMIT=${RTCD_CONFIG_SIZE_LIMIT}
+CONFIG_SMALL=${RTCD_CONFIG_SMALL}
+CONFIG_SPATIAL_RESAMPLING=${RTCD_CONFIG_SPATIAL_RESAMPLING}
+CONFIG_STATIC=${RTCD_CONFIG_STATIC}
+CONFIG_STATIC_MSVCRT=${RTCD_CONFIG_STATIC_MSVCRT}
+CONFIG_SUB8X8_MC=${RTCD_CONFIG_SUB8X8_MC}
+CONFIG_SUPERTX=${RTCD_CONFIG_SUPERTX}
+CONFIG_TEMPMV_SIGNALING=${RTCD_CONFIG_TEMPMV_SIGNALING}
+CONFIG_TILE_GROUPS=${RTCD_CONFIG_TILE_GROUPS}
+CONFIG_TPL_MV=${RTCD_CONFIG_TPL_MV}
+CONFIG_TRIPRED=${RTCD_CONFIG_TRIPRED}
+CONFIG_TX64X64=${RTCD_CONFIG_TX64X64}
+CONFIG_UNIT_TESTS=${RTCD_CONFIG_UNIT_TESTS}
+CONFIG_UNPOISON_PARTITION_CTX=${RTCD_CONFIG_UNPOISON_PARTITION_CTX}
+CONFIG_VAR_TX=${RTCD_CONFIG_VAR_TX}
+CONFIG_WARPED_MOTION=${RTCD_CONFIG_WARPED_MOTION}
+CONFIG_WEBM_IO=${RTCD_CONFIG_WEBM_IO}
+CONFIG_XIPHRC=${RTCD_CONFIG_XIPHRC}
--- a/build/cmake/toolchains/mips32-linux-gcc.cmake
+++ b/build/cmake/toolchains/mips32-linux-gcc.cmake
@ -0,0 +1,69 @@
+##
+## Copyright (c) 2017, Alliance for Open Media. All rights reserved
+##
+## This source code is subject to the terms of the BSD 2 Clause License and
+## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+## was not distributed with this source code in the LICENSE file, you can
+## obtain it at www.aomedia.org/license/software. If the Alliance for Open
+## Media Patent License 1.0 was not distributed with this source code in the
+## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+##
+if (NOT AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_)
+set(AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Linux")
+
+if (ENABLE_DSPR2 AND ENABLE_MSA)
+  message(FATAL_ERROR "ENABLE_DSPR2 and ENABLE_MSA cannot be combined.")
+endif ()
+
+if (ENABLE_DSPR2)
+  set(HAVE_DSPR2 1 CACHE BOOL "" FORCE)
+
+  if ("${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 "")
+  # 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.
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE BOOL "")
+
+endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_