64-bit libretro cores for rpi4
Raspberry Pi OS Debian Bullseye 64-bit
----Export variables (USE THESE ON EACH SESSION)
export CFLAGS='-march=armv8-a+fp+simd+sb+predres+crypto+crc -mcpu=cortex-a72 -mtune=cortex-a72 -O3 -funsafe-math-optimizations'
export CXXFLAGS='-march=armv8-a+fp+simd+sb+predres+crypto+crc -mcpu=cortex-a72 -mtune=cortex-a72 -O3 -funsafe-math-optimizations'
----RetroArch
git clone --recursive https://github.com/libretro/RetroArch
cd RetroArch
./configure --disable-vg --disable-opengl1 --disable-dispmanx --enable-x11 --enable-sdl2 --enable-ffmpeg --enable-udev --disable-sdl --enable-pulse --enable-freetype --enable-7zip --disable-videocore --enable-udev --enable-alsa --enable-opengles --enable-vulkan --enable-opengl --disable-caca
make -j4
----N64 (mupen)
git clone --recursive https://github.com/libretro/mupen64plus-libretro-nx
cd mupen64plus-libretro-nx
make -j4 WITH_DYNAREC=aarch64 FORCE_GLES3=1 HAVE_PARALLEL_RSP=1 HAVE_PARALLEL_RDP=1
----N64 (paralell)
Add -DARM_FIX to end of export variables
git clone --recursive https://github.com/libretro/parallel-n64
cd parallel-n64
make -j4 WITH_DYNAREC=aarch64 USE_CXD4_NEW=1 USE_SSE2NEON=1 HAVE_PARALLEL=1 HAVE_OPENGL=1 FORCE_GLES=1
----SNES (bsnes)
git clone --recursive https://github.com/libretro/bsnes-libretro
cd bsnes-libretro
make -j4
----Genesis/MD/32x (picodrive)
git clone --recursive https://git.libretro.com/libretro/picodrive
cd picodrive
./configure
make -j4 -f Makefile.libretro
----PS1 (pcsx-rearmed) (needs bios)
Add -fPIC to end of export variables
git clone --recursive https://git.libretro.com/libretro/pcsx_rearmed/
cd pcsx_rearmed/frontend
git clone --recursive https://github.com/notaz/libpicofe
cd ../../
./configure
make -f Makefile.libretro -j4
---Gamecube/Wii (dolphin) gl only (terribly slow)
git clone --recursive https://github.com/libretro/dolphin
cd dolphin
mkdir build
cd build
cmake ../ -DLIBRETRO=ON -DUSE_DISCORD_PRESENCE=OFF
make -j4
----Dreamcast (flycast) (needs bios)
git clone --recursive https://github.com/flyinghead/flycast
cd flycast
mkdir build
cd build
cmake ../ -DUSE_GLES2=ON -DUSE_VULKAN=ON
make -j4