diff --git a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/audio/defconfig b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/audio/defconfig
index 0d46dba9713..9c0095b7db2 100644
--- a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/audio/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/audio/defconfig
@@ -51,19 +51,23 @@ CONFIG_ESPRESSIF_I2S0_MCLK=y
 CONFIG_ESPRESSIF_I2S0_MCLKPIN=16
 CONFIG_ESPRESSIF_I2S0_WSPIN=45
 CONFIG_ESPRESSIF_WIFI=y
+CONFIG_ETC_ROMFS=y
 CONFIG_EXAMPLES_RANDOM=y
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_I2S_DMADESC_NUM=4
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INTELHEX_BINARY=y
 CONFIG_IOB_BUFSIZE=400
 CONFIG_IOB_NBUFFERS=100
 CONFIG_IOB_NCHAINS=32
 CONFIG_IOB_THROTTLE=40
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_NETDB_DNSCLIENT=y
 CONFIG_NETDEV_LATEINIT=y
@@ -91,6 +95,8 @@ CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
 CONFIG_RTC=y
 CONFIG_RTC_DRIVER=y
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SMP=y
@@ -102,6 +108,8 @@ CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_DHCPC_RENEW=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
 CONFIG_SYSTEM_NXPLAYER=y
 CONFIG_SYSTEM_PING=y
 CONFIG_TIMER=y
diff --git a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/buttons/defconfig b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/buttons/defconfig
index 8c4639d4a90..7abedd33690 100644
--- a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/buttons/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/buttons/defconfig
@@ -29,19 +29,24 @@ CONFIG_DEBUG_FULLOPT=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_ESP32S3_GPIO_IRQ=y
 CONFIG_ESP32S3_UART0=y
+CONFIG_ETC_ROMFS=y
 CONFIG_EXAMPLES_BUTTONS=y
 CONFIG_EXAMPLES_BUTTONS_NAME0="BOOT"
 CONFIG_EXAMPLES_BUTTONS_NAMES=y
 CONFIG_EXAMPLES_BUTTONS_QTD=1
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INPUT=y
 CONFIG_INPUT_BUTTONS=y
 CONFIG_INPUT_BUTTONS_LOWER=y
 CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
@@ -50,10 +55,14 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lcd/defconfig b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lcd/defconfig
index 38c963e64c0..4426de5e835 100644
--- a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lcd/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lcd/defconfig
@@ -36,14 +36,18 @@ CONFIG_ESP32S3_SPIRAM=y
 CONFIG_ESP32S3_SPIRAM_MODE_OCT=y
 CONFIG_ESP32S3_SPIRAM_SPEED_80M=y
 CONFIG_ESP32S3_UART0=y
+CONFIG_ETC_ROMFS=y
 CONFIG_EXAMPLES_FB=y
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_MM_REGIONS=2
 CONFIG_NDEBUG=y
@@ -54,10 +58,14 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lvgl/defconfig b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lvgl/defconfig
index 650102ce1ab..e11d42eb483 100644
--- a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lvgl/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/lvgl/defconfig
@@ -37,19 +37,23 @@ CONFIG_ESP32S3_SPIRAM=y
 CONFIG_ESP32S3_SPIRAM_MODE_OCT=y
 CONFIG_ESP32S3_SPIRAM_SPEED_80M=y
 CONFIG_ESP32S3_UART0=y
+CONFIG_ETC_ROMFS=y
 CONFIG_EXAMPLES_LVGLDEMO=y
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_FT5X06_POLLMODE=y
 CONFIG_FT5X06_SINGLEPOINT=y
 CONFIG_GRAPHICS_LVGL=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INPUT=y
 CONFIG_INPUT_FT5X06=y
 CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_LV_FONT_MONTSERRAT_20=y
 CONFIG_LV_USE_CLIB_MALLOC=y
@@ -67,6 +71,8 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_LPWORK=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
@@ -74,4 +80,6 @@ CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/nsh/defconfig b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/nsh/defconfig
index 0c726545e5b..91407a138f1 100644
--- a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/nsh/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/nsh/defconfig
@@ -26,13 +26,17 @@ CONFIG_BUILTIN=y
 CONFIG_DEBUG_FULLOPT=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_ESP32S3_UART0=y
+CONFIG_ETC_ROMFS=y
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
@@ -41,10 +45,14 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
 CONFIG_UART0_SERIAL_CONSOLE=y
diff --git a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/ws2812/defconfig b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/ws2812/defconfig
index cb1dd6156ad..9732b8c5447 100644
--- a/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/ws2812/defconfig
+++ b/boards/xtensa/esp32s3/esp32s3-lcd-ev/configs/ws2812/defconfig
@@ -28,14 +28,18 @@ CONFIG_DEBUG_SYMBOLS=y
 CONFIG_ESP32S3_SPI2=y
 CONFIG_ESP32S3_SPI2_MOSIPIN=4
 CONFIG_ESP32S3_UART0=y
+CONFIG_ETC_ROMFS=y
 CONFIG_EXAMPLES_WS2812=y
+CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=3072
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="init_main"
+CONFIG_INIT_STACKSIZE=8192
 CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_EXECFUNCS=y
 CONFIG_LINE_MAX=64
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
@@ -44,12 +48,16 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
 CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_START_DAY=6
 CONFIG_START_MONTH=12
 CONFIG_START_YEAR=2011
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_STACKSIZE=8192
+CONFIG_SYSTEM_NXINIT=y
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_WS2812=y
 CONFIG_WS2812_FREQUENCY=8000000