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    Retropie 4.x on Odroid C2

    Scheduled Pinned Locked Moved Ideas and Development
    odroidbuild
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    • roleoR
      roleo @BuZz
      last edited by

      @BuZz
      I tried with a minimal image and autostart works properly.
      Thank you.
      But I had the same problem with EmulationStation as ElementZero: I changed the flag from -j4 to -j2 to complete the build process.

      BuZzB 1 Reply Last reply Reply Quote 0
      • BuZzB
        BuZz administrators @roleo
        last edited by BuZz

        @roleo Thanks. I will lower it to j2 by default

        To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

        1 Reply Last reply Reply Quote 0
        • M
          maho @BuZz
          last edited by

          @BuZz Dear BuZz, I have just testted the trunk (61085b9) by
          git clone --depth=1 https://github.com/RetroPie/RetroPie-Setup.git
          and it uses SDL 2.0.5. This version with Mali failed like following:
          /home/maho/RetroPie-Setup/tmp/build/sdl2/2.0.5+1mali/src/video/mali-fbdev/SDL_malivideo.c:128:5: error: ISO C90 forbids mixed declarations and
          code [-Werror=declaration-after-statement]
          int fd = open("/dev/fb0", O_RDWR, 0);
          ^
          /home/maho/RetroPie-Setup/tmp/build/sdl2/2.0.5+1mali/src/video/mali-fbdev/SDL_malivideo.c:132:5: error: ISO C90 forbids mixed declarations and
          code [-Werror=declaration-after-statement]
          struct fb_var_screeninfo vinfo;
          ^
          /home/maho/RetroPie-Setup/tmp/build/sdl2/2.0.5+1mali/src/video/mali-fbdev/SDL_malivideo.c:145:5: warning: ignoring return value of 'system', de
          clared with attribute warn_unused_result [-Wunused-result]
          system("setterm -cursor off");
          ^
          /home/maho/RetroPie-Setup/tmp/build/sdl2/2.0.5+1mali/src/video/mali-fbdev/SDL_malivideo.c: In function 'MALI_VideoQuit':
          /home/maho/RetroPie-Setup/tmp/build/sdl2/2.0.5+1mali/src/video/mali-fbdev/SDL_malivideo.c:185:5: warning: ignoring return value of 'system', de
          clared with attribute warn_unused_result [-Wunused-result]
          system("setterm -cursor on");
          ^
          cc1: some warnings being treated as errors
          .

          Looks like Mali part uses C99> syntax. You may want to fix it.

          Best,
          Nakata Maho

          BuZzB 1 Reply Last reply Reply Quote 0
          • BuZzB
            BuZz administrators @maho
            last edited by

            @maho this should be resolved now.

            To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

            1 Reply Last reply Reply Quote 0
            • M
              maho
              last edited by

              @BuZz thanks for your fastest commit. I veerified that SDL2+Mali is no longer broken.
              Best,
              Nakata Maho

              1 Reply Last reply Reply Quote 0
              • M
                maho
                last edited by

                @BuZz
                Thanks - some games are working! and I noticed mame2010 is broken as follows:
                g++ -DCRLF=2 -DDISABLE_MIDI=1 -DINLINE="static inline" -DNDEBUG -DFLAC__NO_DLL
                -DNATIVE_DRC=drcbe_x86_be_interface -DDISABLE_MIDI -DGIT_VERSION="" 81c75bb""
                -D__LIBRETRO__ -fsigned-char -finline -fno-common -fno-builtin -fweb -frename-r
                egisters -falign-functions=16 -fsingle-precision-constant -D__LIBRETRO__ -fstric
                t-aliasing -fno-merge-constants -DALIGN_INTS -DALIGN_SHORTS -ffast-math -fPI
                C -pipe -O3 -fno-strict-aliasing -O2 -march=native -ftree-vectorize -funsafe-mat
                h-optimizations -pipe -Wall -Wcast-align -Wundef -Wformat-security -Wwrite-strin
                gs -Wno-sign-compare -Wno-conversion -I./src/osd/retro/libretro-common/include -
                I./src/mame -Iobj/retro/mame/layout -I./src/emu -Iobj/retro/emu -Iobj/retro/emu/
                layout -I./src/lib/util -I./src/lib -I./src/osd -I./src/osd/retro -I./src/lib/e
                xpat -I./src/lib/util -I./src/lib/libjpeg -fno-delete-null-pointer-checks -x c+

                • -std=gnu++98 -Woverloaded-virtual -c src/mame/drivers/albazc.c -o obj/retro/ma
                  me/drivers/albazc.o
                  In file included from ./src/emu/emu.h:54:0,
                  from src/mame/drivers/albazc.c:13:
                  ./src/emu/eminline.h: In function ‘void* compare_exchange_ptr(void* volatile*, v
                  oid*, void*)’:
                  ./src/emu/eminline.h:349:60: error: cast from ‘void*’ to ‘INT32 {aka int}’ loses
                  precision [-fpermissive]
                  result = compare_exchange32((INT32 volatile )ptr, (INT32)compare, (INT32)exch
                  ange);
                  ^
                  ./src/emu/eminline.h:349:76: error: cast from ‘void                  ’ to ‘INT32 {aka int}’ loses
                  precision [-fpermissive]

                Looks like add some flags for 64bit support to build.

                Thanks,
                Nakata Mahog++ -DCRLF=2 -DDISABLE_MIDI=1 -DINLINE="static inline" -DNDEBUG -DFLAC__NO_DLL
                -DNATIVE_DRC=drcbe_x86_be_interface -DDISABLE_MIDI -DGIT_VERSION="" 81c75bb""
                -D__LIBRETRO__ -fsigned-char -finline -fno-common -fno-builtin -fweb -frename-r
                egisters -falign-functions=16 -fsingle-precision-constant -D__LIBRETRO__ -fstric
                t-aliasing -fno-merge-constants -DALIGN_INTS -DALIGN_SHORTS -ffast-math -fPI
                C -pipe -O3 -fno-strict-aliasing -O2 -march=native -ftree-vectorize -funsafe-mat
                h-optimizations -pipe -Wall -Wcast-align -Wundef -Wformat-security -Wwrite-strin
                gs -Wno-sign-compare -Wno-conversion -I./src/osd/retro/libretro-common/include -
                I./src/mame -Iobj/retro/mame/layout -I./src/emu -Iobj/retro/emu -Iobj/retro/emu/
                layout -I./src/lib/util -I./src/lib -I./src/osd -I./src/osd/retro -I./src/lib/e
                xpat -I./src/lib/util -I./src/lib/libjpeg -fno-delete-null-pointer-checks -x c+

                • -std=gnu++98 -Woverloaded-virtual -c src/mame/drivers/albazc.c -o obj/retro/ma
                  me/drivers/albazc.o
                  In file included from ./src/emu/emu.h:54:0,
                  from src/mame/drivers/albazc.c:13:
                  ./src/emu/eminline.h: In function ‘void* compare_exchange_ptr(void* volatile*, v
                  oid*, void*)’:
                  ./src/emu/eminline.h:349:60: error: cast from ‘void*’ to ‘INT32 {aka int}’ loses
                  precision [-fpermissive]
                  result = compare_exchange32((INT32 volatile )ptr, (INT32)compare, (INT32)exch
                  ange);
                  ^
                  ./src/emu/eminline.h:349:76: error: cast from ‘void                  ’ to ‘INT32 {aka int}’ loses
                  precision [-fpermissive]
                1 Reply Last reply Reply Quote 0
                • M
                  maho
                  last edited by

                  @BuZz

                  following patch will fix build of lr-mame2010 on ODROID-C2 (apparently you want a cleaner patch, though. sorry).

                  --- RetroPie-Setup/scriptmodules/libretrocores/lr-mame2010.sh~ 2017-01-16 12:38:56.757032984 +0900
                  +++ RetroPie-Setup/scriptmodules/libretrocores/lr-mame2010.sh 2017-01-16 22:02:45.627500893 +0900
                  @@ -23,8 +23,8 @@
                  make clean
                  local params=()
                  isPlatform "arm" && params+=("VRENDER=soft" "ARM_ENABLED=1")

                  • make "${params[@]}" ARCHOPTS="$CFLAGS" buildtools
                  • make "${params[@]}" ARCHOPTS="$CFLAGS"
                  • make "${params[@]}" ARCHOPTS="$CFLAGS" buildtools PTR64=1
                  • make "${params[@]}" ARCHOPTS="$CFLAGS" PTR64=1
                    rpSwap off
                    md_ret_require="$md_build/mame2010_libretro.so"
                    }
                  BuZzB 1 Reply Last reply Reply Quote 0
                  • BuZzB
                    BuZz administrators @maho
                    last edited by BuZz

                    @maho please use a code block and format your post.

                    Thanks. There is a bunch of stuff that won't build still, but the most common modules should be OK. It should be considered a wip still.

                    To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                    1 Reply Last reply Reply Quote 0
                    • M
                      maho
                      last edited by

                      @BuZz
                      sorry, lr-mame2010 was still broken at:
                      g++ -DCRLF=2 -DDISABLE_MIDI=1 -DINLINE="static inline" -DPTR64 -DNDEBUG -DFLAC__NO_DLL -DNATIVE_DRC=drcbe_x64_be_interf
                      ace -DDISABLE_MIDI -DGIT_VERSION="" 81c75bb"" -D__LIBRETRO__ -fsigned-char -finline -fno-common -fno-builtin -fweb -f
                      rename-registers -falign-functions=16 -fsingle-precision-constant -D__LIBRETRO__ -fstrict-aliasing -fno-merge-constants
                      -DALIGN_INTS -DALIGN_SHORTS -ffast-math -fPIC -pipe -O3 -fno-strict-aliasing -O2 -march=native -ftree-vectorize -fun
                      safe-math-optimizations -pipe -Wall -Wcast-align -Wundef -Wformat-security -Wwrite-strings -Wno-sign-compare -Wno-conver
                      sion -I./src/osd/retro/libretro-common/include -I./src/mame -Iobj/retro64/mame/layout -I./src/emu -Iobj/retro64/emu -Iob
                      j/retro64/emu/layout -I./src/lib/util -I./src/lib -I./src/osd -I./src/osd/retro -I./src/lib/expat -I./src/lib/util -I./
                      src/lib/libjpeg -fno-delete-null-pointer-checks -x c++ -std=gnu++98 -Woverloaded-virtual -c src/osd/retro/retrowork.c -o obj/retro64/osd/retro/retrowork.o
                      src/osd/retro/retrowork.c: In function ‘int osd_work_queue_wait(osd_work_queue*, osd_ticks_t)’:
                      src/osd/retro/retrowork.c:264:26: error: ‘osd_yield_processor’ was not declared in this scope
                      osd_yield_processor();
                      ^
                      src/osd/retro/retrowork.c: In function ‘int osd_work_item_wait(osd_work_item*, osd_ticks_t)’:
                      src/osd/retro/retrowork.c:499:25: error: ‘osd_yield_processor’ was not declared in this scope
                      osd_yield_processor();
                      ^
                      src/osd/retro/retrowork.c: In function ‘void* worker_thread_entry(void*)’:
                      src/osd/retro/retrowork.c:650:27: error: ‘osd_yield_processor’ was not declared in this scope
                      osd_yield_processor();
                      ^
                      Makefile:686: recipe for target 'obj/retro64/osd/retro/retrowork.o' failed

                      Best,
                      Nakata Maho

                      BuZzB 1 Reply Last reply Reply Quote 0
                      • J
                        jenkinl1302
                        last edited by

                        Just wanted to add my thanks for your work on this. I've had my C2 sitting around for months, not getting much use. I installed everything last night. Haven't gotten a chance to test any emulators yet, but so far everything has compiled (other than Mame2010 and mupen64), and ES launches on autostart. Keep up the great work!

                        BuZzB 1 Reply Last reply Reply Quote 1
                        • BuZzB
                          BuZz administrators @maho
                          last edited by

                          @maho I've not applied any fix. But your diff isn't readable due to not using a code block on the forum. Use three backticks. Having said that I know how to fix it and will do. Cheers

                          To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                          M 1 Reply Last reply Reply Quote 0
                          • BuZzB
                            BuZz administrators @jenkinl1302
                            last edited by

                            @jenkinl1302 a lot of arm optimisations are lost due to aarch64. If odroid had a 32bit version of their OS, performance on some emulators would be better. Some emulators are disabled currently due to build issues too.

                            However, the main stuff works.

                            To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                            1 Reply Last reply Reply Quote 0
                            • M
                              maho @BuZz
                              last edited by

                              @BuZz

                              Hi, following patch will fix build lr-mame2010. I verified that it builds.

                              $ git diff .
diff --git a/scriptmodules/libretrocores/lr-mame2010.sh b/scriptmodules/libretrocores/lr-mame2010.sh
index 1aa5538..69780ff 100644
--- a/scriptmodules/libretrocores/lr-mame2010.sh
+++ b/scriptmodules/libretrocores/lr-mame2010.sh
@@ -23,6 +23,7 @@ function build_lr-mame2010() {
     make clean
     local params=()
     isPlatform "arm" && params+=("VRENDER=soft" "ARM_ENABLED=1")
+    isPlatform "aarch64" && params+=("VRENDER=soft" "ARM_ENABLED=1" "PTR64=1")
     make "${params[@]}" ARCHOPTS="$CFLAGS" buildtools
     make "${params[@]}" ARCHOPTS="$CFLAGS"
     rpSwap off
                              1 Reply Last reply Reply Quote 0
                              • D
                                dirtyrobinson
                                last edited by dirtyrobinson

                                Does anyone have a working image available to download? I have been banging my head against a wall for a week now following every lead trying to get this to work. I would pay for a working image at this point as I am beyond frustrated.

                                My steps:

                                Started with the 16.04 ubuntu minimal image dated 8/15/2016 (newest available)
                                sudo apt-get update && sudo apt-get upgrade
                                Added user
                                installed git
                                git clone --depth=1 https://github.com/RetroPie/RetroPie-Setup.git
                                cd RetroPie-Setup
                                sudo ./retropie_setup.sh (I did not have any issues compiling)

                                All of the core, main, opt, and driver packages I installed say (installed) and there didn't appear to be any compiling errors but when I run emulationstion I get:

                                 lvl0:   Error initializing SDL!
            mali-fbdev: Could not open framebuffer device
 lvl0:   Renderer failed to initialize!
 lvl0:   Window failed to intialize!

                                Several people say they tested it on a clean minimal image and everything works fine so what did I do wrong?

                                BuZzB 1 Reply Last reply Reply Quote 0
                                • BuZzB
                                  BuZz administrators @dirtyrobinson
                                  last edited by BuZz

                                  @dirtyrobinson Did you add your user to the video & input group ?

                                  To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                                  D 1 Reply Last reply Reply Quote 0
                                  • D
                                    dirtyrobinson @BuZz
                                    last edited by

                                    @BuZz I did add my user to those groups

                                    BuZzB 1 Reply Last reply Reply Quote 0
                                    • BuZzB
                                      BuZz administrators @dirtyrobinson
                                      last edited by

                                      @dirtyrobinson not sure but it might be some issue with the latest drivers or something else.

                                      I will test with the latest odroid c2 image when I get some time.

                                      To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                                      D 1 Reply Last reply Reply Quote 0
                                      • D
                                        dirtyrobinson @BuZz
                                        last edited by

                                        @BuZz I started with ubuntu64-16.04-minimal-odroid-c2-20160815.img. Maybe I'll try one of the older minimal images.

                                        D 1 Reply Last reply Reply Quote 0
                                        • D
                                          dirtyrobinson @dirtyrobinson
                                          last edited by dirtyrobinson

                                          @dirtyrobinson Actually, I got it to pop up.... I was digging through the Odroid forums looking at issues with the minimal ubuntu image and someone mentioned an issue with upgrading that creates 4.4.0-31-generic files in the /boot and /var/lib/initramfs-tools directories. Well I deleted those files so the only ones left had 3.14.xx. After removing those files, I rebooted and emulationstation started without issues. You can spend forever fighting with something but right after reaching out for help, you find the solution. I'll test everything just to make sure it installed correctly.

                                          https://forum.odroid.com/viewtopic.php?f=136&t=24272&p=175697

                                          BuZzB 1 Reply Last reply Reply Quote 1
                                          • BuZzB
                                            BuZz administrators @dirtyrobinson
                                            last edited by

                                            @dirtyrobinson thanks for the info.

                                            To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                                            1 Reply Last reply Reply Quote 0
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