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BOARD: separate miyoo packages + concentrate RetroArch/libretro (#129)
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This commit is contained in:
Apaczer
106
package/miyoo/retroarch/libretro-mame2000/0001-optimize.patch
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106
package/miyoo/retroarch/libretro-mame2000/0001-optimize.patch
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@@ -0,0 +1,106 @@
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diff --git a/Makefile b/Makefile
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index 64d8115..63e27cd 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -327,14 +327,14 @@ else ifeq ($(platform), miyoo)
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TARGET := $(TARGET_NAME)_libretro.so
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CC = /opt/miyoo/usr/bin/arm-linux-gcc
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AR = /opt/miyoo/usr/bin/arm-linux-ar
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- fpic := -fPIC
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+ fpic :=
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SHARED := -shared -Wl,--version-script=link.T -Wl,-no-undefined
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DISABLE_ERROR_LOGGING := 1
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- CFLAGS += -fomit-frame-pointer -ffast-math -march=armv5te -mtune=arm926ej-s
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+ CFLAGS += -fomit-frame-pointer -ffast-math -mcpu=arm926ej-s -Ofast -fdata-sections -ffunction-sections -fsingle-precision-constant -flto
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ARM = 1
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- USE_CYCLONE = 1
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- USE_DRZ80 = 1
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+ USE_CYCLONE = 0
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+ USE_DRZ80 = 0
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# Windows MSVC 2010 x64
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else ifeq ($(platform), windows_msvc2010_x64)
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diff --git a/src/libretro/libretro.c b/src/libretro/libretro.c
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index 7fd3662..f9a2794 100644
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--- a/src/libretro/libretro.c
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+++ b/src/libretro/libretro.c
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@@ -51,8 +51,8 @@ static scond_t *libretro_cond = NULL;
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static slock_t *libretro_mutex = NULL;
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#endif
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-unsigned frameskip_type = 0;
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-unsigned frameskip_threshold = 0;
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+unsigned frameskip_type = 2;
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+unsigned frameskip_threshold = 50;
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unsigned frameskip_counter = 0;
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unsigned frameskip_interval = 0;
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@@ -63,10 +63,10 @@ int retro_audio_buff_underrun = false;
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unsigned retro_audio_latency = 0;
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int update_audio_latency = false;
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-int should_skip_frame = 0;
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+int should_skip_frame = 1;
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-static int sample_rate = 22050;
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-static int stereo_enabled = true;
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+static int sample_rate = 11025;
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+static int stereo_enabled = false;
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int game_index = -1;
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unsigned short *gp2x_screen15;
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@@ -222,7 +222,7 @@ static void update_variables(bool first_run)
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var.value = NULL;
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prev_frameskip_type = frameskip_type;
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- frameskip_type = 0;
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+ frameskip_type = 2;
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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{
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@@ -235,7 +235,7 @@ static void update_variables(bool first_run)
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var.key = "mame2000-frameskip_threshold";
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var.value = NULL;
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- frameskip_threshold = 30;
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+ frameskip_threshold = 50;
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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frameskip_threshold = strtol(var.value, NULL, 10);
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@@ -277,7 +277,7 @@ static void update_variables(bool first_run)
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var.value = NULL;
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var.key = "mame2000-sample_rate";
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- sample_rate = 22050;
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+ sample_rate = 11025;
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
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sample_rate = strtol(var.value, NULL, 10);
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@@ -293,7 +293,7 @@ static void update_variables(bool first_run)
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stereo_enabled = false;
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}
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else
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- stereo_enabled = true;
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+ stereo_enabled = false;
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/* Reinitialise frameskipping, if required */
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if (!first_run &&
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@@ -304,13 +304,13 @@ static void update_variables(bool first_run)
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void retro_set_environment(retro_environment_t cb)
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{
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static const struct retro_variable vars[] = {
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- { "mame2000-frameskip", "Frameskip ; disabled|auto|threshold" },
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- { "mame2000-frameskip_threshold", "Frameskip Threshold (%); 30|40|50|60" },
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+ { "mame2000-frameskip", "Frameskip ; threshold|disabled|auto" },
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+ { "mame2000-frameskip_threshold", "Frameskip Threshold (%); 50|40|50|60" },
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{ "mame2000-frameskip_interval", "Frameskip Interval; 1|2|3|4|5|6|7|8|9" },
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{ "mame2000-skip_disclaimer", "Skip Disclaimer; enabled|disabled" },
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{ "mame2000-show_gameinfo", "Show Game Information; disabled|enabled" },
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- { "mame2000-sample_rate", "Audio Rate (Restart); 22050|11025|22050|32000|44100" },
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- { "mame2000-stereo", "Stereo (Restart); enabled|disabled" },
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+ { "mame2000-sample_rate", "Audio Rate (Restart); 11025|11025|22050|32000|44100" },
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+ { "mame2000-stereo", "Stereo (Restart); disabled|enabled" },
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{ NULL, NULL },
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};
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environ_cb = cb;
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7
package/miyoo/retroarch/libretro-mame2000/Config.in
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7
package/miyoo/retroarch/libretro-mame2000/Config.in
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@@ -0,0 +1,7 @@
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config BR2_PACKAGE_LIBRETRO_MAME2000
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bool "libretro-mame2000"
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depends on BR2_PACKAGE_RETROARCH
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help
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A libretro mame2000 core for ARM.
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http://www.libretro.com
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@@ -0,0 +1,33 @@
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################################################################################
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#
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# MAME2000 / IMAME
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#
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################################################################################
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# Commit of 2023/11/01
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LIBRETRO_MAME2000_VERSION = 1472da3a39ab14fff8325b1f51a1dfdb8eabb5c8
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LIBRETRO_MAME2000_SITE = $(call github,libretro,mame2000-libretro,$(LIBRETRO_MAME2000_VERSION))
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LIBRETRO_MAME2000_LICENSE = MAME
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LIBRETRO_MAME2000_NON_COMMERCIAL = y
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define LIBRETRO_MAME2000_BUILD_CMDS
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$(SED) "s|-O2|-O3|g" $(@D)/Makefile
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mkdir -p $(@D)/obj_libretro_libretro/cpu
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CFLAGS="$(TARGET_CFLAGS) $(COMPILER_COMMONS_CFLAGS_SO)" \
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CXXFLAGS="$(TARGET_CXXFLAGS) $(COMPILER_COMMONS_CXXFLAGS_SO)" \
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LDFLAGS="$(TARGET_LDFLAGS) $(COMPILER_COMMONS_LDFLAGS_SO)" \
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$(MAKE) CC="$(TARGET_CC)" -C $(@D) -f Makefile ARM=1 USE_CYCLONE=1 USE_DRZ80=1 platform="$(RETROARCH_LIBRETRO_PLATFORM)"
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$(TARGET_STRIP) --strip-unneeded $(@D)/*_libretro.so
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endef
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define LIBRETRO_MAME2000_INSTALL_TARGET_CMDS
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mkdir -p "${BINARIES_DIR}/retroarch/cores"
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mkdir -p "${BINARIES_DIR}/retroarch/system/mame2000"
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$(INSTALL) -D $(@D)/mame2000_libretro.so \
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${BINARIES_DIR}/retroarch/cores/mame2000_libretro.so
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$(INSTALL) -D $(@D)/metadata/* \
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${BINARIES_DIR}/retroarch/system/mame2000
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endef
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$(eval $(generic-package))
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