diff --git a/Makefile b/Makefile
index 9b5d245..ae7745c 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 $(platform), vita ctr))
 CFLAGS += -O3 -DNDEBUG
diff --git a/Makefile.libretro b/Makefile.libretro
index d3a3530..7711b07 100644
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -458,6 +458,27 @@ else ifeq ($(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
@@ -590,6 +611,13 @@ 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 1808c5e..35ce1d1 100644
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -3748,7 +3748,7 @@ 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 7c33b08..c522995 100644
--- a/frontend/libretro_core_options.h
+++ b/frontend/libretro_core_options.h
@@ -222,7 +222,7 @@ struct retro_core_option_v2_definition option_defs_us[] = {
       "PSX CPU Clock Speed (%)",
       NULL,
       "Overclock or under-clock the PSX CPU. The value has to be lower than 100 because of some slowdowns (cache misses, hw access penalties, etc.) that are not emulated. 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."
@@ -304,7 +304,7 @@ 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",
@@ -322,7 +322,7 @@ 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 65114e3..2ad3c69 100644
--- a/frontend/main.c
+++ b/frontend/main.c
@@ -164,7 +164,7 @@ 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