diff --git a/Makefile b/Makefile
index ff8d1bb..8eef4a7 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 $(platform), vita ctr))
 CFLAGS += -O3 -DNDEBUG
diff --git a/Makefile.libretro b/Makefile.libretro
index 069290c..692d998 100644
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -394,6 +394,27 @@ else ifeq ($(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
@@ -519,6 +540,13 @@ 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 938b8e5..dcc16ef 100644
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -3057,7 +3057,7 @@ 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 4165237..c34008a 100644
--- a/frontend/libretro_core_options.h
+++ b/frontend/libretro_core_options.h
@@ -203,7 +203,7 @@ struct retro_core_option_v2_definition option_defs_us[] = {
       "PSX CPU Clock Speed",
       NULL,
       "Overclock or under-clock the PSX CPU. Try adjusting this if the game is too slow, too fast or hangs."
-#if defined(HAVE_PRE_ARMV7) && !defined(_3DS)
+#if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(_TRIMUI)
       " Default is 50."
 #else
       " Default is 57."
@@ -285,7 +285,7 @@ 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",
@@ -303,7 +303,7 @@ 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 cf015a4..beaee12 100644
--- a/frontend/main.c
+++ b/frontend/main.c
@@ -165,7 +165,7 @@ void emu_set_default_config(void)
 	spu_config.iTempo = 0;
 	// may cause issues, no effect if only 1 core is detected
 	spu_config.iUseThread = 0;
-#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