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diff --git a/Makefile b/Makefile
index e694818..f0a1ba0 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,8 @@ TARGET ?= pcsx
CFLAGS += -Wall -Iinclude -ffast-math
ifeq ($(DEBUG), 1)
CFLAGS += -O0 -ggdb
+else ifneq (,$(OPTIMIZE))
+CFLAGS += $(OPTIMIZE)
else
ifeq ($(platform), $(filter $(platform), vita ctr))
CFLAGS += -O3 -DNDEBUG
diff --git a/Makefile.libretro b/Makefile.libretro
index 7b9618e..6baefbd 100644
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -391,6 +391,27 @@ else ifeq ($(platform), rpi4_64)
fpic := -fPIC
CFLAGS += -march=armv8-a+crc+simd -mtune=cortex-a72 -ftree-vectorize
+else ifeq ($(platform), trimui)
+ TARGET := $(TARGET_NAME)_libretro.so
+ CC = $(CROSS_COMPILE)gcc
+ CXX = $(CROSS_COMPILE)g++
+
+ CFLAGS += -mcpu=arm926ej-s -mtune=arm926ej-s
+ CFLAGS += -DGPULIB_USE_MMAP -DGPU_UNAI_USE_INT_DIV_MULTINV -D_TRIMUI
+ CFLAGS += -ffast-math -fdata-sections -ffunction-sections -fsingle-precision-constant -flto -fno-PIC
+ LDFLAGS += -flto
+ ifeq (,$(DEBUG))
+ LDFLAGS += -s
+ endif
+ CPU_ARCH := arm
+ OPTIMIZE := -Ofast -DNDEBUG
+
+ DRC_CACHE_BASE = 0
+ BUILTIN_GPU = unai
+ DYNAREC = ari64
+ ARCH = arm
+ HAVE_NEON = 0
+
# Classic Platforms ####################
# Platform affix = classic_<ISA>_<µARCH>
# Help at https://modmyclassic.com/comp
@@ -516,6 +537,13 @@ CFLAGS += $(fpic)
MAIN_LDFLAGS += -shared
MAIN_LDLIBS += $(LIBPTHREAD) $(LIBM) $(LIBDL) $(LIBZ)
+ifeq ($(PROFILE), GENERATE)
+ CFLAGS += -fprofile-generate=./profile/pcsx_rearmed
+ LDFLAGS += -lgcov
+else ifeq ($(PROFILE), APPLY)
+ CFLAGS += -fprofile-use -fprofile-dir=../profile/pcsx_rearmed -fbranch-probabilities
+endif
+
# enable large file support if available
ifeq ($(shell $(CC) -E -dD $(CFLAGS) include/arm_features.h | grep __SIZEOF_LONG__ | awk '{print $$3}'),4)
CFLAGS += -D_FILE_OFFSET_BITS=64
diff --git a/frontend/libretro.c b/frontend/libretro.c
index 3e74b23..b4a8385 100644
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -3034,7 +3034,7 @@ void retro_init(void)
* we have to do this because cache misses and some IO penalties
* are not emulated. Warning: changing this may break compatibility. */
Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
-#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
+#if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(_TRIMUI)
Config.cycle_multiplier = 200;
#endif
pl_rearmed_cbs.gpu_peops.iUseDither = 1;
diff --git a/frontend/libretro_core_options.h b/frontend/libretro_core_options.h
index 58e1b72..4d6ae43 100644
--- a/frontend/libretro_core_options.h
+++ b/frontend/libretro_core_options.h
@@ -206,7 +206,7 @@ struct retro_core_option_v2_definition option_defs_us[] = {
#if defined(LIGHTREC)
" Currently doesn't work with Lightrec dynarec."
#endif
-#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
+#if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(_TRIMUI)
" Default is 50."
#else
" Default is 57."
@@ -288,7 +288,7 @@ struct retro_core_option_v2_definition option_defs_us[] = {
{ "100", NULL },
{ NULL, NULL },
},
-#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
+#if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(_TRIMUI)
"50",
#else
"57",
@@ -306,7 +306,7 @@ struct retro_core_option_v2_definition option_defs_us[] = {
{ "enabled", NULL },
{ NULL, NULL },
},
-#if defined HAVE_LIBNX || defined _3DS
+#if defined HAVE_LIBNX || defined _3DS || defined _TRIMUI
"disabled",
#else
"enabled",
diff --git a/frontend/main.c b/frontend/main.c
index fbff0f5..3b2abe4 100644
--- a/frontend/main.c
+++ b/frontend/main.c
@@ -164,7 +164,7 @@ void emu_set_default_config(void)
spu_config.iVolume = 768;
spu_config.iTempo = 0;
spu_config.iUseThread = 1; // no effect if only 1 core is detected
-#if defined(HAVE_PRE_ARMV7) && !defined(_3DS) /* XXX GPH hack */
+#if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(_TRIMUI) /* XXX GPH hack */
spu_config.iUseReverb = 0;
spu_config.iUseInterpolation = 0;
#ifndef HAVE_LIBRETRO
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