diff --git a/bsp/imx6ul/.config b/bsp/imx6ul/.config
index 0068adc43f..91e1e6fac2 100644
--- a/bsp/imx6ul/.config
+++ b/bsp/imx6ul/.config
@@ -22,6 +22,12 @@ CONFIG_RT_USING_IDLE_HOOK=y
 CONFIG_RT_IDLE_HOOK_LIST_SIZE=4
 CONFIG_IDLE_THREAD_STACK_SIZE=256
 # CONFIG_RT_USING_TIMER_SOFT is not set
+
+#
+# kservice optimization
+#
+# CONFIG_RT_KSERVICE_USING_STDLIB is not set
+# CONFIG_RT_KSERVICE_USING_TINY_SIZE is not set
 CONFIG_RT_DEBUG=y
 # CONFIG_RT_DEBUG_COLOR is not set
 # CONFIG_RT_DEBUG_INIT_CONFIG is not set
@@ -53,6 +59,7 @@ CONFIG_RT_USING_MEMPOOL=y
 # CONFIG_RT_USING_NOHEAP is not set
 CONFIG_RT_USING_SMALL_MEM=y
 # CONFIG_RT_USING_SLAB is not set
+# CONFIG_RT_USING_USERHEAP is not set
 # CONFIG_RT_USING_MEMTRACE is not set
 CONFIG_RT_USING_HEAP=y
 
@@ -65,10 +72,14 @@ CONFIG_RT_USING_DEVICE=y
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart"
-CONFIG_RT_VER_NUM=0x40002
+CONFIG_RT_VER_NUM=0x40003
 CONFIG_ARCH_ARM=y
 # CONFIG_RT_USING_CPU_FFS is not set
 CONFIG_ARCH_ARM_CORTEX_A=y
+# CONFIG_RT_SMP_AUTO_BOOT is not set
+CONFIG_RT_USING_GIC_V2=y
+# CONFIG_RT_USING_GIC_V3 is not set
+# CONFIG_RT_NO_USING_GIC is not set
 CONFIG_ARCH_ARM_CORTEX_A7=y
 # CONFIG_ARCH_CPU_STACK_GROWS_UPWARD is not set
 
@@ -115,8 +126,6 @@ CONFIG_DFS_FD_MAX=16
 CONFIG_RT_USING_DFS_DEVFS=y
 # CONFIG_RT_USING_DFS_ROMFS is not set
 # CONFIG_RT_USING_DFS_RAMFS is not set
-# CONFIG_RT_USING_DFS_UFFS is not set
-# CONFIG_RT_USING_DFS_JFFS2 is not set
 
 #
 # Device Drivers
@@ -131,8 +140,10 @@ CONFIG_RT_SERIAL_RB_BUFSZ=64
 # CONFIG_RT_USING_HWTIMER is not set
 # CONFIG_RT_USING_CPUTIME is not set
 # CONFIG_RT_USING_I2C is not set
+# CONFIG_RT_USING_PHY is not set
 CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_ADC is not set
+# CONFIG_RT_USING_DAC is not set
 # CONFIG_RT_USING_PWM is not set
 # CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
@@ -163,6 +174,7 @@ CONFIG_RT_USING_LIBC=y
 CONFIG_RT_USING_POSIX=y
 # CONFIG_RT_USING_POSIX_MMAP is not set
 # CONFIG_RT_USING_POSIX_TERMIOS is not set
+# CONFIG_RT_USING_POSIX_GETLINE is not set
 # CONFIG_RT_USING_POSIX_AIO is not set
 # CONFIG_RT_USING_MODULE is not set
 
@@ -210,10 +222,15 @@ CONFIG_RT_USING_POSIX=y
 #
 # IoT - internet of things
 #
+# CONFIG_PKG_USING_LORAWAN_DRIVER is not set
 # CONFIG_PKG_USING_PAHOMQTT is not set
+# CONFIG_PKG_USING_UMQTT is not set
 # CONFIG_PKG_USING_WEBCLIENT is not set
 # CONFIG_PKG_USING_WEBNET is not set
 # CONFIG_PKG_USING_MONGOOSE is not set
+# CONFIG_PKG_USING_MYMQTT is not set
+# CONFIG_PKG_USING_KAWAII_MQTT is not set
+# CONFIG_PKG_USING_BC28_MQTT is not set
 # CONFIG_PKG_USING_WEBTERMINAL is not set
 # CONFIG_PKG_USING_CJSON is not set
 # CONFIG_PKG_USING_JSMN is not set
@@ -240,6 +257,8 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_COAP is not set
 # CONFIG_PKG_USING_NOPOLL is not set
 # CONFIG_PKG_USING_NETUTILS is not set
+# CONFIG_PKG_USING_CMUX is not set
+# CONFIG_PKG_USING_PPP_DEVICE is not set
 # CONFIG_PKG_USING_AT_DEVICE is not set
 # CONFIG_PKG_USING_ATSRV_SOCKET is not set
 # CONFIG_PKG_USING_WIZNET is not set
@@ -251,8 +270,10 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_GAGENT_CLOUD is not set
 # CONFIG_PKG_USING_ALI_IOTKIT is not set
 # CONFIG_PKG_USING_AZURE is not set
-# CONFIG_PKG_USING_TENCENT_IOTHUB is not set
+# CONFIG_PKG_USING_TENCENT_IOT_EXPLORER is not set
 # CONFIG_PKG_USING_JIOT-C-SDK is not set
+# CONFIG_PKG_USING_UCLOUD_IOT_SDK is not set
+# CONFIG_PKG_USING_JOYLINK is not set
 # CONFIG_PKG_USING_NIMBLE is not set
 # CONFIG_PKG_USING_OTA_DOWNLOADER is not set
 # CONFIG_PKG_USING_IPMSG is not set
@@ -263,6 +284,19 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_PROTOBUF_C is not set
 # CONFIG_PKG_USING_ONNX_PARSER is not set
 # CONFIG_PKG_USING_ONNX_BACKEND is not set
+# CONFIG_PKG_USING_DLT645 is not set
+# CONFIG_PKG_USING_QXWZ is not set
+# CONFIG_PKG_USING_SMTP_CLIENT is not set
+# CONFIG_PKG_USING_ABUP_FOTA is not set
+# CONFIG_PKG_USING_LIBCURL2RTT is not set
+# CONFIG_PKG_USING_CAPNP is not set
+# CONFIG_PKG_USING_RT_CJSON_TOOLS is not set
+# CONFIG_PKG_USING_AGILE_TELNET is not set
+# CONFIG_PKG_USING_NMEALIB is not set
+# CONFIG_PKG_USING_AGILE_JSMN is not set
+# CONFIG_PKG_USING_PDULIB is not set
+# CONFIG_PKG_USING_BTSTACK is not set
+# CONFIG_PKG_USING_LORAWAN_ED_STACK is not set
 
 #
 # security packages
@@ -270,6 +304,8 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_MBEDTLS is not set
 # CONFIG_PKG_USING_libsodium is not set
 # CONFIG_PKG_USING_TINYCRYPT is not set
+# CONFIG_PKG_USING_TFM is not set
+# CONFIG_PKG_USING_YD_CRYPTO is not set
 
 #
 # language packages
@@ -286,6 +322,7 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_STEMWIN is not set
 # CONFIG_PKG_USING_WAVPLAYER is not set
 # CONFIG_PKG_USING_TJPGD is not set
+# CONFIG_PKG_USING_HELIX is not set
 
 #
 # tools packages
@@ -298,6 +335,15 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_QRCODE is not set
 # CONFIG_PKG_USING_ULOG_EASYFLASH is not set
 # CONFIG_PKG_USING_ADBD is not set
+# CONFIG_PKG_USING_COREMARK is not set
+# CONFIG_PKG_USING_DHRYSTONE is not set
+# CONFIG_PKG_USING_NR_MICRO_SHELL is not set
+# CONFIG_PKG_USING_CHINESE_FONT_LIBRARY is not set
+# CONFIG_PKG_USING_LUNAR_CALENDAR is not set
+# CONFIG_PKG_USING_BS8116A is not set
+# CONFIG_PKG_USING_GPS_RMC is not set
+# CONFIG_PKG_USING_URLENCODE is not set
+# CONFIG_PKG_USING_UMCN is not set
 
 #
 # system packages
@@ -309,6 +355,7 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_LWEXT4 is not set
 # CONFIG_PKG_USING_PARTITION is not set
 # CONFIG_PKG_USING_FAL is not set
+# CONFIG_PKG_USING_FLASHDB is not set
 # CONFIG_PKG_USING_SQLITE is not set
 # CONFIG_PKG_USING_RTI is not set
 # CONFIG_PKG_USING_LITTLEVGL2RTT is not set
@@ -317,6 +364,14 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_LITTLEFS is not set
 # CONFIG_PKG_USING_THREAD_POOL is not set
 # CONFIG_PKG_USING_ROBOTS is not set
+# CONFIG_PKG_USING_EV is not set
+# CONFIG_PKG_USING_SYSWATCH is not set
+# CONFIG_PKG_USING_SYS_LOAD_MONITOR is not set
+# CONFIG_PKG_USING_PLCCORE is not set
+# CONFIG_PKG_USING_RAMDISK is not set
+# CONFIG_PKG_USING_MININI is not set
+# CONFIG_PKG_USING_QBOOT is not set
+# CONFIG_PKG_USING_PPOOL is not set
 
 #
 # peripheral libraries and drivers
@@ -324,6 +379,7 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_SENSORS_DRIVERS is not set
 # CONFIG_PKG_USING_REALTEK_AMEBA is not set
 # CONFIG_PKG_USING_SHT2X is not set
+# CONFIG_PKG_USING_SHT3X is not set
 # CONFIG_PKG_USING_STM32_SDIO is not set
 # CONFIG_PKG_USING_ICM20608 is not set
 # CONFIG_PKG_USING_U8G2 is not set
@@ -332,10 +388,16 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_SX12XX is not set
 # CONFIG_PKG_USING_SIGNAL_LED is not set
 # CONFIG_PKG_USING_LEDBLINK is not set
+# CONFIG_PKG_USING_LITTLED is not set
+# CONFIG_PKG_USING_LKDGUI is not set
+# CONFIG_PKG_USING_NRF5X_SDK is not set
+# CONFIG_PKG_USING_NRFX is not set
 # CONFIG_PKG_USING_WM_LIBRARIES is not set
 # CONFIG_PKG_USING_KENDRYTE_SDK is not set
 # CONFIG_PKG_USING_INFRARED is not set
 # CONFIG_PKG_USING_ROSSERIAL is not set
+# CONFIG_PKG_USING_AGILE_BUTTON is not set
+# CONFIG_PKG_USING_AGILE_LED is not set
 # CONFIG_PKG_USING_AT24CXX is not set
 # CONFIG_PKG_USING_MOTIONDRIVER2RTT is not set
 # CONFIG_PKG_USING_AD7746 is not set
@@ -343,8 +405,28 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_I2C_TOOLS is not set
 # CONFIG_PKG_USING_NRF24L01 is not set
 # CONFIG_PKG_USING_TOUCH_DRIVERS is not set
-# CONFIG_PKG_USING_LCD_DRIVERS is not set
 # CONFIG_PKG_USING_MAX17048 is not set
+# CONFIG_PKG_USING_RPLIDAR is not set
+# CONFIG_PKG_USING_AS608 is not set
+# CONFIG_PKG_USING_RC522 is not set
+# CONFIG_PKG_USING_WS2812B is not set
+# CONFIG_PKG_USING_EMBARC_BSP is not set
+# CONFIG_PKG_USING_EXTERN_RTC_DRIVERS is not set
+# CONFIG_PKG_USING_MULTI_RTIMER is not set
+# CONFIG_PKG_USING_MAX7219 is not set
+# CONFIG_PKG_USING_BEEP is not set
+# CONFIG_PKG_USING_EASYBLINK is not set
+# CONFIG_PKG_USING_PMS_SERIES is not set
+# CONFIG_PKG_USING_CAN_YMODEM is not set
+# CONFIG_PKG_USING_LORA_RADIO_DRIVER is not set
+# CONFIG_PKG_USING_QLED is not set
+# CONFIG_PKG_USING_PAJ7620 is not set
+# CONFIG_PKG_USING_AGILE_CONSOLE is not set
+# CONFIG_PKG_USING_LD3320 is not set
+# CONFIG_PKG_USING_WK2124 is not set
+# CONFIG_PKG_USING_LY68L6400 is not set
+# CONFIG_PKG_USING_DM9051 is not set
+# CONFIG_PKG_USING_SSD1306 is not set
 
 #
 # miscellaneous packages
@@ -379,4 +461,12 @@ CONFIG_RT_USING_POSIX=y
 # CONFIG_PKG_USING_ELAPACK is not set
 # CONFIG_PKG_USING_ARMv7M_DWT is not set
 # CONFIG_PKG_USING_VT100 is not set
+# CONFIG_PKG_USING_TETRIS is not set
+# CONFIG_PKG_USING_ULAPACK is not set
+# CONFIG_PKG_USING_UKAL is not set
+# CONFIG_PKG_USING_CRCLIB is not set
+# CONFIG_PKG_USING_THREES is not set
+# CONFIG_PKG_USING_2048 is not set
+# CONFIG_PKG_USING_LWGPS is not set
+# CONFIG_PKG_USING_TENSORFLOWLITEMICRO is not set
 CONFIG_SOC_MCIMX6X4=y
diff --git a/bsp/imx6ul/rtconfig.h b/bsp/imx6ul/rtconfig.h
index 19826089e2..5478603dcb 100644
--- a/bsp/imx6ul/rtconfig.h
+++ b/bsp/imx6ul/rtconfig.h
@@ -9,12 +9,8 @@
 /* RT-Thread Kernel */
 
 #define RT_NAME_MAX 8
-/* RT_USING_ARCH_DATA_TYPE is not set */
-/* RT_USING_SMP is not set */
 #define RT_ALIGN_SIZE 4
-/* RT_THREAD_PRIORITY_8 is not set */
 #define RT_THREAD_PRIORITY_32
-/* RT_THREAD_PRIORITY_256 is not set */
 #define RT_THREAD_PRIORITY_MAX 32
 #define RT_TICK_PER_SECOND 100
 #define RT_USING_OVERFLOW_CHECK
@@ -22,19 +18,10 @@
 #define RT_USING_IDLE_HOOK
 #define RT_IDLE_HOOK_LIST_SIZE 4
 #define IDLE_THREAD_STACK_SIZE 256
-/* RT_USING_TIMER_SOFT is not set */
+
+/* kservice optimization */
+
 #define RT_DEBUG
-/* RT_DEBUG_COLOR is not set */
-/* RT_DEBUG_INIT_CONFIG is not set */
-/* RT_DEBUG_THREAD_CONFIG is not set */
-/* RT_DEBUG_SCHEDULER_CONFIG is not set */
-/* RT_DEBUG_IPC_CONFIG is not set */
-/* RT_DEBUG_TIMER_CONFIG is not set */
-/* RT_DEBUG_IRQ_CONFIG is not set */
-/* RT_DEBUG_MEM_CONFIG is not set */
-/* RT_DEBUG_SLAB_CONFIG is not set */
-/* RT_DEBUG_MEMHEAP_CONFIG is not set */
-/* RT_DEBUG_MODULE_CONFIG is not set */
 
 /* Inter-Thread communication */
 
@@ -43,41 +30,31 @@
 #define RT_USING_EVENT
 #define RT_USING_MAILBOX
 #define RT_USING_MESSAGEQUEUE
-/* RT_USING_SIGNALS is not set */
 
 /* Memory Management */
 
 #define RT_USING_MEMPOOL
-/* RT_USING_MEMHEAP is not set */
-/* RT_USING_NOHEAP is not set */
 #define RT_USING_SMALL_MEM
-/* RT_USING_SLAB is not set */
-/* RT_USING_MEMTRACE is not set */
 #define RT_USING_HEAP
 
 /* Kernel Device Object */
 
 #define RT_USING_DEVICE
-/* RT_USING_DEVICE_OPS is not set */
-/* RT_USING_INTERRUPT_INFO is not set */
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #define RT_CONSOLE_DEVICE_NAME "uart"
-#define RT_VER_NUM 0x40002
+#define RT_VER_NUM 0x40003
 #define ARCH_ARM
-/* RT_USING_CPU_FFS is not set */
 #define ARCH_ARM_CORTEX_A
+#define RT_USING_GIC_V2
 #define ARCH_ARM_CORTEX_A7
-/* ARCH_CPU_STACK_GROWS_UPWARD is not set */
 
 /* RT-Thread Components */
 
 #define RT_USING_COMPONENTS_INIT
-/* RT_USING_USER_MAIN is not set */
 
 /* C++ features */
 
-/* RT_USING_CPLUSPLUS is not set */
 
 /* Command shell */
 
@@ -87,14 +64,11 @@
 #define FINSH_HISTORY_LINES 5
 #define FINSH_USING_SYMTAB
 #define FINSH_USING_DESCRIPTION
-/* FINSH_ECHO_DISABLE_DEFAULT is not set */
 #define FINSH_THREAD_PRIORITY 20
 #define FINSH_THREAD_STACK_SIZE 4096
 #define FINSH_CMD_SIZE 80
-/* FINSH_USING_AUTH is not set */
 #define FINSH_USING_MSH
 #define FINSH_USING_MSH_DEFAULT
-/* FINSH_USING_MSH_ONLY is not set */
 #define FINSH_ARG_MAX 10
 
 /* Device virtual file system */
@@ -104,248 +78,84 @@
 #define DFS_FILESYSTEMS_MAX 2
 #define DFS_FILESYSTEM_TYPES_MAX 2
 #define DFS_FD_MAX 16
-/* RT_USING_DFS_MNTTABLE is not set */
-/* RT_USING_DFS_ELMFAT is not set */
 #define RT_USING_DFS_DEVFS
-/* RT_USING_DFS_ROMFS is not set */
-/* RT_USING_DFS_RAMFS is not set */
-/* RT_USING_DFS_UFFS is not set */
-/* RT_USING_DFS_JFFS2 is not set */
 
 /* Device Drivers */
 
 #define RT_USING_DEVICE_IPC
 #define RT_PIPE_BUFSZ 512
-/* RT_USING_SYSTEM_WORKQUEUE is not set */
 #define RT_USING_SERIAL
 #define RT_SERIAL_USING_DMA
 #define RT_SERIAL_RB_BUFSZ 64
-/* RT_USING_CAN is not set */
-/* RT_USING_HWTIMER is not set */
-/* RT_USING_CPUTIME is not set */
-/* RT_USING_I2C is not set */
 #define RT_USING_PIN
-/* RT_USING_ADC is not set */
-/* RT_USING_PWM is not set */
-/* RT_USING_MTD_NOR is not set */
-/* RT_USING_MTD_NAND is not set */
-/* RT_USING_PM is not set */
-/* RT_USING_RTC is not set */
-/* RT_USING_SDIO is not set */
-/* RT_USING_SPI is not set */
-/* RT_USING_WDT is not set */
-/* RT_USING_AUDIO is not set */
-/* RT_USING_SENSOR is not set */
-/* RT_USING_TOUCH is not set */
-/* RT_USING_HWCRYPTO is not set */
-/* RT_USING_PULSE_ENCODER is not set */
-/* RT_USING_INPUT_CAPTURE is not set */
-/* RT_USING_WIFI is not set */
 
 /* Using USB */
 
-/* RT_USING_USB_HOST is not set */
-/* RT_USING_USB_DEVICE is not set */
 
 /* POSIX layer and C standard library */
 
 #define RT_USING_LIBC
-/* RT_USING_PTHREADS is not set */
 #define RT_USING_POSIX
-/* RT_USING_POSIX_MMAP is not set */
-/* RT_USING_POSIX_TERMIOS is not set */
-/* RT_USING_POSIX_AIO is not set */
-/* RT_USING_MODULE is not set */
 
 /* Network */
 
 /* Socket abstraction layer */
 
-/* RT_USING_SAL is not set */
 
 /* Network interface device */
 
-/* RT_USING_NETDEV is not set */
 
 /* light weight TCP/IP stack */
 
-/* RT_USING_LWIP is not set */
 
 /* AT commands */
 
-/* RT_USING_AT is not set */
 
 /* VBUS(Virtual Software BUS) */
 
-/* RT_USING_VBUS is not set */
 
 /* Utilities */
 
-/* RT_USING_RYM is not set */
-/* RT_USING_ULOG is not set */
-/* RT_USING_UTEST is not set */
-/* RT_USING_LWP is not set */
 
 /* RT-Thread online packages */
 
 /* IoT - internet of things */
 
-/* PKG_USING_PAHOMQTT is not set */
-/* PKG_USING_WEBCLIENT is not set */
-/* PKG_USING_WEBNET is not set */
-/* PKG_USING_MONGOOSE is not set */
-/* PKG_USING_WEBTERMINAL is not set */
-/* PKG_USING_CJSON is not set */
-/* PKG_USING_JSMN is not set */
-/* PKG_USING_LIBMODBUS is not set */
-/* PKG_USING_FREEMODBUS is not set */
-/* PKG_USING_LJSON is not set */
-/* PKG_USING_EZXML is not set */
-/* PKG_USING_NANOPB is not set */
 
 /* Wi-Fi */
 
 /* Marvell WiFi */
 
-/* PKG_USING_WLANMARVELL is not set */
 
 /* Wiced WiFi */
 
-/* PKG_USING_WLAN_WICED is not set */
-/* PKG_USING_RW007 is not set */
-/* PKG_USING_COAP is not set */
-/* PKG_USING_NOPOLL is not set */
-/* PKG_USING_NETUTILS is not set */
-/* PKG_USING_AT_DEVICE is not set */
-/* PKG_USING_ATSRV_SOCKET is not set */
-/* PKG_USING_WIZNET is not set */
 
 /* IoT Cloud */
 
-/* PKG_USING_ONENET is not set */
-/* PKG_USING_GAGENT_CLOUD is not set */
-/* PKG_USING_ALI_IOTKIT is not set */
-/* PKG_USING_AZURE is not set */
-/* PKG_USING_TENCENT_IOTHUB is not set */
-/* PKG_USING_JIOT-C-SDK is not set */
-/* PKG_USING_NIMBLE is not set */
-/* PKG_USING_OTA_DOWNLOADER is not set */
-/* PKG_USING_IPMSG is not set */
-/* PKG_USING_LSSDP is not set */
-/* PKG_USING_AIRKISS_OPEN is not set */
-/* PKG_USING_LIBRWS is not set */
-/* PKG_USING_TCPSERVER is not set */
-/* PKG_USING_PROTOBUF_C is not set */
-/* PKG_USING_ONNX_PARSER is not set */
-/* PKG_USING_ONNX_BACKEND is not set */
 
 /* security packages */
 
-/* PKG_USING_MBEDTLS is not set */
-/* PKG_USING_libsodium is not set */
-/* PKG_USING_TINYCRYPT is not set */
 
 /* language packages */
 
-/* PKG_USING_LUA is not set */
-/* PKG_USING_JERRYSCRIPT is not set */
-/* PKG_USING_MICROPYTHON is not set */
 
 /* multimedia packages */
 
-/* PKG_USING_OPENMV is not set */
-/* PKG_USING_MUPDF is not set */
-/* PKG_USING_STEMWIN is not set */
-/* PKG_USING_WAVPLAYER is not set */
-/* PKG_USING_TJPGD is not set */
 
 /* tools packages */
 
-/* PKG_USING_CMBACKTRACE is not set */
-/* PKG_USING_EASYFLASH is not set */
-/* PKG_USING_EASYLOGGER is not set */
-/* PKG_USING_SYSTEMVIEW is not set */
-/* PKG_USING_RDB is not set */
-/* PKG_USING_QRCODE is not set */
-/* PKG_USING_ULOG_EASYFLASH is not set */
-/* PKG_USING_ADBD is not set */
 
 /* system packages */
 
-/* PKG_USING_GUIENGINE is not set */
-/* PKG_USING_PERSIMMON is not set */
-/* PKG_USING_CAIRO is not set */
-/* PKG_USING_PIXMAN is not set */
-/* PKG_USING_LWEXT4 is not set */
-/* PKG_USING_PARTITION is not set */
-/* PKG_USING_FAL is not set */
-/* PKG_USING_SQLITE is not set */
-/* PKG_USING_RTI is not set */
-/* PKG_USING_LITTLEVGL2RTT is not set */
-/* PKG_USING_CMSIS is not set */
-/* PKG_USING_DFS_YAFFS is not set */
-/* PKG_USING_LITTLEFS is not set */
-/* PKG_USING_THREAD_POOL is not set */
-/* PKG_USING_ROBOTS is not set */
 
 /* peripheral libraries and drivers */
 
-/* PKG_USING_SENSORS_DRIVERS is not set */
-/* PKG_USING_REALTEK_AMEBA is not set */
-/* PKG_USING_SHT2X is not set */
-/* PKG_USING_STM32_SDIO is not set */
-/* PKG_USING_ICM20608 is not set */
-/* PKG_USING_U8G2 is not set */
-/* PKG_USING_BUTTON is not set */
-/* PKG_USING_PCF8574 is not set */
-/* PKG_USING_SX12XX is not set */
-/* PKG_USING_SIGNAL_LED is not set */
-/* PKG_USING_LEDBLINK is not set */
-/* PKG_USING_WM_LIBRARIES is not set */
-/* PKG_USING_KENDRYTE_SDK is not set */
-/* PKG_USING_INFRARED is not set */
-/* PKG_USING_ROSSERIAL is not set */
-/* PKG_USING_AT24CXX is not set */
-/* PKG_USING_MOTIONDRIVER2RTT is not set */
-/* PKG_USING_AD7746 is not set */
-/* PKG_USING_PCA9685 is not set */
-/* PKG_USING_I2C_TOOLS is not set */
-/* PKG_USING_NRF24L01 is not set */
-/* PKG_USING_TOUCH_DRIVERS is not set */
-/* PKG_USING_LCD_DRIVERS is not set */
-/* PKG_USING_MAX17048 is not set */
 
 /* miscellaneous packages */
 
-/* PKG_USING_LIBCSV is not set */
-/* PKG_USING_OPTPARSE is not set */
-/* PKG_USING_FASTLZ is not set */
-/* PKG_USING_MINILZO is not set */
-/* PKG_USING_QUICKLZ is not set */
-/* PKG_USING_MULTIBUTTON is not set */
-/* PKG_USING_FLEXIBLE_BUTTON is not set */
-/* PKG_USING_CANFESTIVAL is not set */
-/* PKG_USING_ZLIB is not set */
-/* PKG_USING_DSTR is not set */
-/* PKG_USING_TINYFRAME is not set */
-/* PKG_USING_KENDRYTE_DEMO is not set */
-/* PKG_USING_DIGITALCTRL is not set */
-/* PKG_USING_UPACKER is not set */
-/* PKG_USING_UPARAM is not set */
 
 /* samples: kernel and components samples */
 
-/* PKG_USING_KERNEL_SAMPLES is not set */
-/* PKG_USING_FILESYSTEM_SAMPLES is not set */
-/* PKG_USING_NETWORK_SAMPLES is not set */
-/* PKG_USING_PERIPHERAL_SAMPLES is not set */
-/* PKG_USING_HELLO is not set */
-/* PKG_USING_VI is not set */
-/* PKG_USING_NNOM is not set */
-/* PKG_USING_LIBANN is not set */
-/* PKG_USING_ELAPACK is not set */
-/* PKG_USING_ARMv7M_DWT is not set */
-/* PKG_USING_VT100 is not set */
 #define SOC_MCIMX6X4
 
 #endif
diff --git a/bsp/qemu-vexpress-a9/.config b/bsp/qemu-vexpress-a9/.config
index 00929cbed0..f9fa185ce7 100644
--- a/bsp/qemu-vexpress-a9/.config
+++ b/bsp/qemu-vexpress-a9/.config
@@ -79,6 +79,10 @@ CONFIG_RT_VER_NUM=0x40004
 CONFIG_ARCH_ARM=y
 # CONFIG_RT_USING_CPU_FFS is not set
 CONFIG_ARCH_ARM_CORTEX_A=y
+# CONFIG_RT_SMP_AUTO_BOOT is not set
+CONFIG_RT_USING_GIC_V2=y
+# CONFIG_RT_USING_GIC_V3 is not set
+# CONFIG_RT_NO_USING_GIC is not set
 CONFIG_ARCH_ARM_CORTEX_A9=y
 # CONFIG_ARCH_CPU_STACK_GROWS_UPWARD is not set
 
diff --git a/bsp/qemu-vexpress-a9/drivers/secondary_cpu.c b/bsp/qemu-vexpress-a9/drivers/secondary_cpu.c
index 3b0428859f..c0fcb30aa4 100644
--- a/bsp/qemu-vexpress-a9/drivers/secondary_cpu.c
+++ b/bsp/qemu-vexpress-a9/drivers/secondary_cpu.c
@@ -26,10 +26,16 @@ static void rt_hw_timer2_isr(int vector, void *param)
     timer_clear_pending(0);
 }
 
+void set_secondary_cpu_boot_address(void)
+{
+    extern void secondary_cpu_start(void);
+    uint32_t *boot_address = (uint32_t *)0x10000030;
+    *(boot_address + 1) = ~0ul;
+    *boot_address = (uint32_t )&secondary_cpu_start;
+}
+
 void rt_hw_secondary_cpu_up(void)
 {
-    extern void set_secondary_cpu_boot_address(void);
-
     set_secondary_cpu_boot_address();
     __asm__ volatile ("dsb":::"memory");
     rt_hw_ipi_send(0, 1 << 1);
diff --git a/bsp/qemu-vexpress-a9/rtconfig.h b/bsp/qemu-vexpress-a9/rtconfig.h
index 4ca586afff..eb7b915d86 100644
--- a/bsp/qemu-vexpress-a9/rtconfig.h
+++ b/bsp/qemu-vexpress-a9/rtconfig.h
@@ -55,6 +55,7 @@
 #define RT_VER_NUM 0x40004
 #define ARCH_ARM
 #define ARCH_ARM_CORTEX_A
+#define RT_USING_GIC_V2
 #define ARCH_ARM_CORTEX_A9
 
 /* RT-Thread Components */
diff --git a/examples/utest/configs/utest_self/config.h b/examples/utest/configs/utest_self/config.h
index 287f0f539d..2080a544b0 100644
--- a/examples/utest/configs/utest_self/config.h
+++ b/examples/utest/configs/utest_self/config.h
@@ -55,6 +55,7 @@
 #define RT_VER_NUM 0x40004
 #define ARCH_ARM
 #define ARCH_ARM_CORTEX_A
+#define RT_USING_GIC_V2
 #define ARCH_ARM_CORTEX_A9
 
 /* RT-Thread Components */
diff --git a/libcpu/Kconfig b/libcpu/Kconfig
index 974c421138..bb54b487c7 100644
--- a/libcpu/Kconfig
+++ b/libcpu/Kconfig
@@ -58,6 +58,26 @@ config ARCH_ARM_CORTEX_A
     bool
     select ARCH_ARM
 
+    if ARCH_ARM_CORTEX_A
+        config RT_SMP_AUTO_BOOT
+            bool
+            default n
+
+        choice
+            prompt "GIC controller selection"
+            default RT_USING_GIC_V2
+
+            config RT_USING_GIC_V2
+                bool " Gic version 2 "
+
+            config RT_USING_GIC_V3
+                bool " Gic version 3 "
+
+            config RT_NO_USING_GIC
+                bool " GIC controller is not used "
+        endchoice
+    endif
+
 config ARCH_ARM_CORTEX_A5
     bool
     select ARCH_ARM_CORTEX_A
diff --git a/libcpu/arm/cortex-a/SConscript b/libcpu/arm/cortex-a/SConscript
index 28af7ba651..a9fe6f0bc9 100644
--- a/libcpu/arm/cortex-a/SConscript
+++ b/libcpu/arm/cortex-a/SConscript
@@ -5,9 +5,27 @@ from building import *
 Import('rtconfig')
 
 cwd     = GetCurrentDir()
-src     = Glob('*.c') + Glob('*.cpp')
+src     = Split('''
+cache.c
+cpu.c
+gtimer.c
+mmu.c
+pmu.c
+stack.c
+
+''')
 CPPPATH = [cwd]
 
+if GetDepend('RT_USING_GIC_V2'):
+    src += ['interrupt.c']
+    src += ['gic.c']
+    src += ['trap.c']
+
+if GetDepend('RT_USING_GIC_V3'):
+    src += ['interrupt.c']
+    src += ['gicv3.c']
+    src += ['trap.c']
+
 if rtconfig.PLATFORM == 'armcc':
     src += Glob('*_rvds.S')
 
@@ -18,6 +36,9 @@ if rtconfig.PLATFORM == 'gcc':
 if rtconfig.PLATFORM == 'iar':
     src += Glob('*_iar.S')
 
+if rtconfig.PLATFORM == 'iar':
+    src += Glob('*_iar.S')
+
 group = DefineGroup('CPU', src, depend = [''], CPPPATH = CPPPATH)
 
 Return('group')
diff --git a/libcpu/arm/cortex-a/cp15.h b/libcpu/arm/cortex-a/cp15.h
index 6896fd9f71..2bf91ac5ad 100644
--- a/libcpu/arm/cortex-a/cp15.h
+++ b/libcpu/arm/cortex-a/cp15.h
@@ -15,8 +15,7 @@
 #define __get_cp64(cp, op1, Rt, CRm) __asm__ volatile("MRRC p" # cp ", " # op1 ", %Q0, %R0, c" # CRm  : "=r" (Rt) : : "memory" )
 #define __set_cp64(cp, op1, Rt, CRm) __asm__ volatile("MCRR p" # cp ", " # op1 ", %Q0, %R0, c" # CRm  : : "r" (Rt) : "memory" )
 
-unsigned long rt_cpu_get_smp_id(void);
-
+int rt_hw_cpu_id(void);
 void rt_cpu_mmu_disable(void);
 void rt_cpu_mmu_enable(void);
 void rt_cpu_tlb_set(volatile unsigned long*);
diff --git a/libcpu/arm/cortex-a/cp15_gcc.S b/libcpu/arm/cortex-a/cp15_gcc.S
index dd2436ffee..983ae522ef 100644
--- a/libcpu/arm/cortex-a/cp15_gcc.S
+++ b/libcpu/arm/cortex-a/cp15_gcc.S
@@ -8,9 +8,11 @@
  * 2013-07-05     Bernard      the first version
  */
 
-.globl rt_cpu_get_smp_id
-rt_cpu_get_smp_id:
-    mrc     p15, #0, r0, c0, c0, #5
+.weak rt_hw_cpu_id
+rt_hw_cpu_id:
+    mrc     p15, #0, r0, c0, c0, #5         @ read multiprocessor affinity register
+    ldr     r1, =0xFFFF03                   @ Affinity mask off, leaving CPU ID field, [0:1]CPU ID, [8:15]Cluster ID Aff1, [16:23]Cluster ID Aff2
+    and     r0, r0, r1
     bx      lr
 
 .globl rt_cpu_vector_set_base
diff --git a/libcpu/arm/cortex-a/cpu.c b/libcpu/arm/cortex-a/cpu.c
index 9555e01e9c..7367bddd9f 100644
--- a/libcpu/arm/cortex-a/cpu.c
+++ b/libcpu/arm/cortex-a/cpu.c
@@ -15,17 +15,6 @@
 
 #ifdef RT_USING_SMP
 
-int rt_hw_cpu_id(void)
-{
-    int cpu_id;
-    __asm__ volatile (
-            "mrc p15, 0, %0, c0, c0, 5"
-            :"=r"(cpu_id)
-            );
-    cpu_id &= 0xf;
-    return cpu_id;
-};
-
 void rt_hw_spin_lock_init(rt_hw_spinlock_t *lock)
 {
     lock->slock = 0;
diff --git a/libcpu/arm/cortex-a/gicv3.c b/libcpu/arm/cortex-a/gicv3.c
new file mode 100644
index 0000000000..a3fb0e767b
--- /dev/null
+++ b/libcpu/arm/cortex-a/gicv3.c
@@ -0,0 +1,708 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2013-07-20     Bernard      first version
+ * 2014-04-03     Grissiom     many enhancements
+ * 2018-11-22     Jesven       add rt_hw_ipi_send()
+ *                             add rt_hw_ipi_handler_install()
+ */
+
+#include <rthw.h>
+#include <rtthread.h>
+
+#include "gicv3.h"
+#include "cp15.h"
+
+#ifndef RT_CPUS_NR
+#define RT_CPUS_NR 1
+#endif
+
+struct arm_gic_v3
+{
+    rt_uint32_t offset;                     /* the first interrupt index in the vector table */
+    rt_uint32_t redist_hw_base[RT_CPUS_NR]; /* the pointer of the gic redistributor */
+    rt_uint32_t dist_hw_base;               /* the base address of the gic distributor */
+    rt_uint32_t cpu_hw_base[RT_CPUS_NR];    /* the base addrees of the gic cpu interface */
+};
+
+/* 'ARM_GIC_MAX_NR' is the number of cores */
+static struct arm_gic_v3 _gic_table[ARM_GIC_MAX_NR];
+static unsigned int _gic_max_irq;
+
+/**
+ * @name: arm_gic_cpumask_to_affval
+ * @msg:
+ * @in param cpu_mask:
+ * @out param cluster_id: aff1 [0:7],aff2 [8:15],aff3 [16:23]
+ * @out param target_list:  Target List. The set of PEs for which SGI interrupts will be generated. Each bit corresponds to the
+ *                          PE within a cluster with an Affinity 0 value equal to the bit number.
+ * @return {rt_uint32_t} 0 is finish , 1 is data valid
+ */
+RT_WEAK rt_uint32_t arm_gic_cpumask_to_affval(rt_uint32_t *cpu_mask, rt_uint32_t *cluster_id, rt_uint32_t *target_list)
+{
+    return 0;
+}
+
+RT_WEAK rt_uint64_t get_main_cpu_affval(void)
+{
+    return 0;
+}
+
+int arm_gic_get_active_irq(rt_uint32_t index)
+{
+    int irq;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    __get_gicv3_reg(ICC_IAR1, irq);
+
+    irq = (irq & 0x1FFFFFF) + _gic_table[index].offset;
+    return irq;
+}
+
+void arm_gic_ack(rt_uint32_t index, int irq)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+    RT_ASSERT(irq >= 0U);
+
+    __asm__ volatile("dsb 0xF" ::
+                         : "memory");
+    __set_gicv3_reg(ICC_EOIR1, irq);
+}
+
+void arm_gic_mask(rt_uint32_t index, int irq)
+{
+    rt_uint32_t mask = 1U << (irq % 32U);
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    if (irq < 32U)
+    {
+        rt_int32_t cpu_id = rt_hw_cpu_id();
+        RT_ASSERT((cpu_id) < RT_CPUS_NR);
+        GIC_RDISTSGI_ICENABLER0(_gic_table[index].redist_hw_base[cpu_id]) = mask;
+    }
+    else
+    {
+        GIC_DIST_ENABLE_CLEAR(_gic_table[index].dist_hw_base, irq) = mask;
+    }
+}
+
+void arm_gic_umask(rt_uint32_t index, int irq)
+{
+    rt_uint32_t mask = 1U << (irq % 32U);
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    if (irq < 32U)
+    {
+        rt_int32_t cpu_id = rt_hw_cpu_id();
+        RT_ASSERT((cpu_id) < RT_CPUS_NR);
+        GIC_RDISTSGI_ISENABLER0(_gic_table[index].redist_hw_base[cpu_id]) = mask;
+    }
+    else
+    {
+        GIC_DIST_ENABLE_SET(_gic_table[index].dist_hw_base, irq) = mask;
+    }
+}
+
+rt_uint32_t arm_gic_get_pending_irq(rt_uint32_t index, int irq)
+{
+    rt_uint32_t pend;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    if (irq >= 16U)
+    {
+        pend = (GIC_DIST_PENDING_SET(_gic_table[index].dist_hw_base, irq) >> (irq % 32U)) & 0x1UL;
+    }
+    else
+    {
+        /* INTID 0-15 Software Generated Interrupt */
+        pend = (GIC_DIST_SPENDSGI(_gic_table[index].dist_hw_base, irq) >> ((irq % 4U) * 8U)) & 0xFFUL;
+        /* No CPU identification offered */
+        if (pend != 0U)
+        {
+            pend = 1U;
+        }
+        else
+        {
+            pend = 0U;
+        }
+    }
+
+    return (pend);
+}
+
+void arm_gic_set_pending_irq(rt_uint32_t index, int irq)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    if (irq >= 16U)
+    {
+        GIC_DIST_PENDING_SET(_gic_table[index].dist_hw_base, irq) = 1U << (irq % 32U);
+    }
+    else
+    {
+        /* INTID 0-15 Software Generated Interrupt */
+        /* Forward the interrupt to the CPU interface that requested it */
+        GIC_DIST_SOFTINT(_gic_table[index].dist_hw_base) = (irq | 0x02000000U);
+    }
+}
+
+void arm_gic_clear_pending_irq(rt_uint32_t index, int irq)
+{
+    rt_uint32_t mask;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    if (irq >= 16U)
+    {
+        mask = 1U << (irq % 32U);
+        GIC_DIST_PENDING_CLEAR(_gic_table[index].dist_hw_base, irq) = mask;
+    }
+    else
+    {
+        mask = 1U << ((irq % 4U) * 8U);
+        GIC_DIST_CPENDSGI(_gic_table[index].dist_hw_base, irq) = mask;
+    }
+}
+
+void arm_gic_set_configuration(rt_uint32_t index, int irq, uint32_t config)
+{
+    rt_uint32_t icfgr;
+    rt_uint32_t shift;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    icfgr = GIC_DIST_CONFIG(_gic_table[index].dist_hw_base, irq);
+    shift = (irq % 16U) << 1U;
+
+    icfgr &= (~(3U << shift));
+    icfgr |= (config << shift);
+
+    GIC_DIST_CONFIG(_gic_table[index].dist_hw_base, irq) = icfgr;
+}
+
+rt_uint32_t arm_gic_get_configuration(rt_uint32_t index, int irq)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    return (GIC_DIST_CONFIG(_gic_table[index].dist_hw_base, irq) >> ((irq % 16U) >> 1U));
+}
+
+void arm_gic_clear_active(rt_uint32_t index, int irq)
+{
+    rt_uint32_t mask = 1U << (irq % 32U);
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    GIC_DIST_ACTIVE_CLEAR(_gic_table[index].dist_hw_base, irq) = mask;
+}
+
+/* Set up the cpu mask for the specific interrupt */
+void arm_gic_set_cpu(rt_uint32_t index, int irq, unsigned int cpumask)
+{
+    rt_uint32_t old_tgt;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    old_tgt = GIC_DIST_TARGET(_gic_table[index].dist_hw_base, irq);
+
+    old_tgt &= ~(0x0FFUL << ((irq % 4U) * 8U));
+    old_tgt |= cpumask << ((irq % 4U) * 8U);
+
+    GIC_DIST_TARGET(_gic_table[index].dist_hw_base, irq) = old_tgt;
+}
+
+rt_uint32_t arm_gic_get_target_cpu(rt_uint32_t index, int irq)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    return (GIC_DIST_TARGET(_gic_table[index].dist_hw_base, irq) >> ((irq % 4U) * 8U)) & 0xFFUL;
+}
+
+void arm_gic_set_priority(rt_uint32_t index, int irq, rt_uint32_t priority)
+{
+    rt_uint32_t mask;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    if (irq < 32U)
+    {
+        rt_int32_t cpu_id = rt_hw_cpu_id();
+        RT_ASSERT((cpu_id) < RT_CPUS_NR);
+
+        mask = GIC_RDISTSGI_IPRIORITYR(_gic_table[index].redist_hw_base[cpu_id], irq);
+        mask &= ~(0xFFUL << ((irq % 4U) * 8U));
+        mask |= ((priority & 0xFFUL) << ((irq % 4U) * 8U));
+        GIC_RDISTSGI_IPRIORITYR(_gic_table[index].redist_hw_base[cpu_id], irq) = mask;
+    }
+    else
+    {
+        mask = GIC_DIST_PRI(_gic_table[index].dist_hw_base, irq);
+        mask &= ~(0xFFUL << ((irq % 4U) * 8U));
+        mask |= ((priority & 0xFFUL) << ((irq % 4U) * 8U));
+        GIC_DIST_PRI(_gic_table[index].dist_hw_base, irq) = mask;
+    }
+}
+
+rt_uint32_t arm_gic_get_priority(rt_uint32_t index, int irq)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    if (irq < 32U)
+    {
+        rt_int32_t cpu_id = rt_hw_cpu_id();
+
+        RT_ASSERT((cpu_id) < RT_CPUS_NR);
+        return (GIC_RDISTSGI_IPRIORITYR(_gic_table[index].redist_hw_base[cpu_id], irq) >> ((irq % 4U) * 8U)) & 0xFFUL;
+    }
+    else
+    {
+        return (GIC_DIST_PRI(_gic_table[index].dist_hw_base, irq) >> ((irq % 4U) * 8U)) & 0xFFUL;
+    }
+}
+
+void arm_gic_set_system_register_enable_mask(rt_uint32_t index, rt_uint32_t value)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    value &= 0xFFUL;
+    /* set priority mask */
+    __set_gicv3_reg(ICC_SRE, value);
+    __asm__ volatile ("isb 0xF"::
+                        :"memory");
+}
+
+rt_uint32_t arm_gic_get_system_register_enable_mask(rt_uint32_t index)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+    rt_uint32_t value;
+
+    __get_gicv3_reg(ICC_SRE, value);
+    return value;
+}
+
+void arm_gic_set_interface_prior_mask(rt_uint32_t index, rt_uint32_t priority)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    priority &= 0xFFUL;
+    /* set priority mask */
+    __set_gicv3_reg(ICC_PMR, priority);
+}
+
+rt_uint32_t arm_gic_get_interface_prior_mask(rt_uint32_t index)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+    rt_uint32_t priority;
+
+    __get_gicv3_reg(ICC_PMR, priority);
+    return priority;
+}
+
+void arm_gic_set_binary_point(rt_uint32_t index, rt_uint32_t binary_point)
+{
+    index = index;
+    binary_point &= 0x7U;
+
+    __set_gicv3_reg(ICC_BPR1, binary_point);
+}
+
+rt_uint32_t arm_gic_get_binary_point(rt_uint32_t index)
+{
+    rt_uint32_t binary_point;
+
+    index = index;
+    __get_gicv3_reg(ICC_BPR1, binary_point);
+    return binary_point;
+}
+
+rt_uint32_t arm_gic_get_irq_status(rt_uint32_t index, int irq)
+{
+    rt_uint32_t pending;
+    rt_uint32_t active;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    active = (GIC_DIST_ACTIVE_SET(_gic_table[index].dist_hw_base, irq) >> (irq % 32U)) & 0x1UL;
+    pending = (GIC_DIST_PENDING_SET(_gic_table[index].dist_hw_base, irq) >> (irq % 32U)) & 0x1UL;
+
+    return ((active << 1U) | pending);
+}
+
+void arm_gic_send_affinity_sgi(rt_uint32_t index, int irq, rt_uint32_t cpu_mask, rt_uint32_t routing_mode)
+{
+    rt_uint64_t sgi_val;
+
+    if (routing_mode)
+    {
+        sgi_val = (1ULL << 40) | ((irq & 0x0FULL) << 24); //Interrupts routed to all PEs in the system, excluding "self".
+        /*  Write the ICC_SGI1R registers */
+        __asm__ volatile("dsb 0xF" ::
+                            : "memory");
+        __set_cp64(15, 0, sgi_val, 12);
+        __asm__ volatile("isb 0xF" ::
+                            : "memory");
+    }
+    else
+    {
+        rt_uint32_t cluster_id, target_list;
+        while (arm_gic_cpumask_to_affval(&cpu_mask, &cluster_id, &target_list))
+        {
+            sgi_val = ((irq & 0x0FULL) << 24 |
+                       target_list |
+                       ((cluster_id >> 8) & 0xFFULL) << GIC_RSGI_AFF1_OFFSET |
+                       ((cluster_id >> 16) & 0xFFULL) << GIC_RSGI_AFF2_OFFSET |
+                       ((cluster_id >> 24) & 0xFFull) << GIC_RSGI_AFF3_OFFSET);
+
+            __asm__ volatile("dsb 0xF" ::
+                                : "memory");
+            __set_cp64(15, 0, sgi_val, 12);
+            __asm__ volatile("isb 0xF" ::
+                                : "memory");
+        }
+    }
+}
+
+rt_uint32_t arm_gic_get_high_pending_irq(rt_uint32_t index)
+{
+    rt_uint32_t irq;
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    index = index;
+    __get_gicv3_reg(ICC_HPPIR1, irq);
+    return irq;
+}
+
+rt_uint32_t arm_gic_get_interface_id(rt_uint32_t index)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    return GIC_CPU_IIDR(_gic_table[index].cpu_hw_base);
+}
+
+void arm_gic_set_group(rt_uint32_t index, int irq, rt_uint32_t group)
+{
+    uint32_t igroupr;
+    uint32_t shift;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+    RT_ASSERT(group <= 1U);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    igroupr = GIC_DIST_IGROUP(_gic_table[index].dist_hw_base, irq);
+    shift = (irq % 32U);
+    igroupr &= (~(1U << shift));
+    igroupr |= ((group & 0x1U) << shift);
+
+    GIC_DIST_IGROUP(_gic_table[index].dist_hw_base, irq) = igroupr;
+}
+
+rt_uint32_t arm_gic_get_group(rt_uint32_t index, int irq)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    irq = irq - _gic_table[index].offset;
+    RT_ASSERT(irq >= 0U);
+
+    return (GIC_DIST_IGROUP(_gic_table[index].dist_hw_base, irq) >> (irq % 32U)) & 0x1UL;
+}
+
+static int arm_gicv3_wait_rwp(rt_uint32_t index, rt_uint32_t irq)
+{
+    rt_uint32_t rwp_bit;
+    rt_uint32_t base;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    if (irq < 32u)
+    {
+        rt_int32_t cpu_id = rt_hw_cpu_id();
+
+        RT_ASSERT((cpu_id) < RT_CPUS_NR);
+        base = _gic_table[index].redist_hw_base[cpu_id];
+        rwp_bit = GICR_CTLR_RWP;
+    }
+    else
+    {
+        base = _gic_table[index].dist_hw_base;
+        rwp_bit = GICD_CTLR_RWP;
+    }
+
+    while (__REG32(base) & rwp_bit)
+    {
+        ;
+    }
+
+    return 0;
+}
+
+int arm_gic_dist_init(rt_uint32_t index, rt_uint32_t dist_base, int irq_start)
+{
+    rt_uint64_t cpu0_affval;
+    unsigned int gic_type, i;
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    _gic_table[index].dist_hw_base = dist_base;
+    _gic_table[index].offset = irq_start;
+
+    /* Find out how many interrupts are supported. */
+    gic_type = GIC_DIST_TYPE(dist_base);
+    _gic_max_irq = ((gic_type & 0x1fU) + 1U) * 32U;
+
+    /*
+     * The GIC only supports up to 1020 interrupt sources.
+     * Limit this to either the architected maximum, or the
+     * platform maximum.
+     */
+    if (_gic_max_irq > 1020U)
+        _gic_max_irq = 1020U;
+    if (_gic_max_irq > ARM_GIC_NR_IRQS) /* the platform maximum interrupts */
+        _gic_max_irq = ARM_GIC_NR_IRQS;
+
+    GIC_DIST_CTRL(dist_base) = 0x0U;
+    /* Wait for register write pending */
+    arm_gicv3_wait_rwp(0, 32);
+
+    /* Set all global interrupts to be level triggered, active low. */
+    for (i = 32U; i < _gic_max_irq; i += 16U)
+        GIC_DIST_CONFIG(dist_base, i) = 0x0U;
+
+    arm_gicv3_wait_rwp(0, 32);
+
+    cpu0_affval = get_main_cpu_affval();
+    /* Set all global interrupts to this CPU only. */
+    for (i = 32U; i < _gic_max_irq; i++)
+    {
+        GIC_DIST_IROUTER_LOW(dist_base, i) = cpu0_affval;
+        GIC_DIST_IROUTER_HIGH(dist_base, i) = cpu0_affval >> 32;
+    }
+
+    arm_gicv3_wait_rwp(0, 32);
+
+    /* Set priority on spi interrupts. */
+    for (i = 32U; i < _gic_max_irq; i += 4U)
+        GIC_DIST_PRI(dist_base, i) = 0xa0a0a0a0U;
+
+    arm_gicv3_wait_rwp(0, 32);
+    /* Disable all interrupts. */
+    for (i = 0U; i < _gic_max_irq; i += 32U)
+    {
+        GIC_DIST_PENDING_CLEAR(dist_base, i) = 0xffffffffU;
+        GIC_DIST_ENABLE_CLEAR(dist_base, i) = 0xffffffffU;
+    }
+
+    arm_gicv3_wait_rwp(0, 32);
+    /* All interrupts defaults to IGROUP1(IRQ). */
+    for (i = 0U; i < _gic_max_irq; i += 32U)
+        GIC_DIST_IGROUP(dist_base, i) = 0xffffffffU;
+
+    arm_gicv3_wait_rwp(0, 32);
+
+    /*
+            The Distributor control register (GICD_CTLR) must be configured to enable the interrupt groups and to set the routing mode.
+            Enable Affinity routing (ARE bits) The ARE bits in GICD_CTLR control whether affinity routing is enabled.
+            If affinity routing is not enabled, GICv3 can be configured for legacy operation.
+            Whether affinity routing is enabled or not can be controlled separately for Secure and Non-secure state.
+            Enables GICD_CTLR contains separate enable bits for Group 0, Secure Group 1 and Non-secure Group 1:
+            GICD_CTLR.EnableGrp1S enables distribution of Secure Group 1 interrupts.
+            GICD_CTLR.EnableGrp1NS enables distribution of Non-secure Group 1 interrupts.
+            GICD_CTLR.EnableGrp0 enables distribution of Group 0 interrupts.
+      */
+    GIC_DIST_CTRL(dist_base) = GICD_CTLR_ARE_NS | GICD_CTLR_ENGRP1NS;
+
+    return 0;
+}
+
+int arm_gic_redist_address_set(rt_uint32_t index, rt_uint32_t redist_addr, rt_uint32_t cpu_id)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+    RT_ASSERT((cpu_id) < RT_CPUS_NR);
+    _gic_table[index].redist_hw_base[cpu_id] = redist_addr;
+
+    return 0;
+}
+
+int arm_gic_cpu_interface_address_set(rt_uint32_t index, rt_uint32_t interface_addr, rt_uint32_t cpu_id)
+{
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+    RT_ASSERT((cpu_id) < RT_CPUS_NR);
+    _gic_table[index].cpu_hw_base[cpu_id] = interface_addr;
+
+    return 0;
+}
+
+int arm_gic_redist_init(rt_uint32_t index)
+{
+    unsigned int i;
+    rt_uint32_t base;
+    rt_int32_t cpu_id = rt_hw_cpu_id();
+
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+    RT_ASSERT((cpu_id) < RT_CPUS_NR);
+
+    base = _gic_table[index].redist_hw_base[cpu_id];
+    /* redistributor enable */
+    GIC_RDIST_WAKER(base) &= ~(1U << 1);
+    while (GIC_RDIST_WAKER(base) & (1 << 2))
+    {
+        ;
+    }
+
+    /* Disable all sgi and ppi interrupt */
+    GIC_RDISTSGI_ICENABLER0(base) = 0xFFFFFFFF;
+    arm_gicv3_wait_rwp(0, 0);
+
+    /* Clear all inetrrupt pending */
+    GIC_RDISTSGI_ICPENDR0(base) = 0xFFFFFFFF;
+
+    /* the corresponding interrupt is Group 1 or Non-secure Group 1. */
+    GIC_RDISTSGI_IGROUPR0(base, 0) = 0xFFFFFFFF;
+    GIC_RDISTSGI_IGRPMODR0(base, 0) = 0xFFFFFFFF;
+
+    /* Configure default priorities for SGI 0:15 and PPI 16:31. */
+    for (i = 0; i < 32; i += 4)
+    {
+        GIC_RDISTSGI_IPRIORITYR(base, i) = 0xa0a0a0a0U;
+    }
+
+    /* Trigger level for PPI interrupts*/
+    GIC_RDISTSGI_ICFGR1(base) = 0x0U; // PPI is level-sensitive.
+    return 0;
+}
+
+int arm_gic_cpu_init(rt_uint32_t index)
+{
+    rt_uint32_t value;
+    RT_ASSERT(index < ARM_GIC_MAX_NR);
+
+    value = arm_gic_get_system_register_enable_mask(index);
+    value |= (1U << 0);
+    arm_gic_set_system_register_enable_mask(index, value);
+    __set_gicv3_reg(ICC_CTLR, 0);
+
+    arm_gic_set_interface_prior_mask(index, 0xFFU);
+
+    /* Enable group1 interrupt */
+    value = 0x1U;
+    __set_gicv3_reg(ICC_IGRPEN1, value);
+
+    arm_gic_set_binary_point(0, 0);
+
+    /* ICC_BPR0_EL1 determines the preemption group for both
+       Group 0 and Group 1 interrupts.
+       */
+    value = 0x1U;
+    __set_gicv3_reg(ICC_CTLR, value);
+
+    return 0;
+}
+
+#ifdef RT_USING_SMP
+void arm_gic_secondary_cpu_init(void)
+{
+    arm_gic_redist_init(0);
+
+    arm_gic_cpu_init(0);
+}
+#endif
+
+void arm_gic_dump_type(rt_uint32_t index)
+{
+    unsigned int gic_type;
+
+    gic_type = GIC_DIST_TYPE(_gic_table[index].dist_hw_base);
+    rt_kprintf("GICv%d on %p, max IRQs: %d, %s security extension(%08x)\n",
+               (GIC_DIST_ICPIDR2(_gic_table[index].dist_hw_base) >> 4U) & 0xfUL,
+               _gic_table[index].dist_hw_base,
+               _gic_max_irq,
+               gic_type & (1U << 10U) ? "has" : "no",
+               gic_type);
+}
+
+void arm_gic_dump(rt_uint32_t index)
+{
+    unsigned int i, k;
+
+    k = arm_gic_get_high_pending_irq(0);
+    rt_kprintf("--- high pending priority: %d(%08x)\n", k, k);
+    rt_kprintf("--- hw mask ---\n");
+    for (i = 0U; i < _gic_max_irq / 32U; i++)
+    {
+        rt_kprintf("0x%08x, ",
+                   GIC_DIST_ENABLE_SET(_gic_table[index].dist_hw_base,
+                                       i * 32U));
+    }
+    rt_kprintf("\n--- hw pending ---\n");
+    for (i = 0U; i < _gic_max_irq / 32U; i++)
+    {
+        rt_kprintf("0x%08x, ",
+                   GIC_DIST_PENDING_SET(_gic_table[index].dist_hw_base,
+                                        i * 32U));
+    }
+    rt_kprintf("\n--- hw active ---\n");
+    for (i = 0U; i < _gic_max_irq / 32U; i++)
+    {
+        rt_kprintf("0x%08x, ",
+                   GIC_DIST_ACTIVE_SET(_gic_table[index].dist_hw_base,
+                                       i * 32U));
+    }
+    rt_kprintf("\n");
+}
+
+long gic_dump(void)
+{
+    arm_gic_dump_type(0);
+    arm_gic_dump(0);
+
+    return 0;
+}
+MSH_CMD_EXPORT(gic_dump, show gic status);
diff --git a/libcpu/arm/cortex-a/gicv3.h b/libcpu/arm/cortex-a/gicv3.h
new file mode 100644
index 0000000000..813a4f4c8d
--- /dev/null
+++ b/libcpu/arm/cortex-a/gicv3.h
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2013-07-20     Bernard      first version
+ */
+
+#ifndef __GIC_V3_H__
+#define __GIC_V3_H__
+
+#include <rthw.h>
+#include <board.h>
+
+#define __get_gicv3_reg(CR, Rt) __asm__ volatile("MRC " CR  \
+                                                 : "=r"(Rt) \
+                                                 :          \
+                                                 : "memory")
+#define __set_gicv3_reg(CR, Rt) __asm__ volatile("MCR " CR \
+                                                 :         \
+                                                 : "r"(Rt) \
+                                                 : "memory")
+
+
+/* AArch32 System register interface to GICv3 */
+#define ICC_IAR0    "p15, 0, %0, c12, c8, 0"
+#define ICC_IAR1    "p15, 0, %0, c12, c12, 0"
+#define ICC_EOIR0   "p15, 0, %0, c12, c8, 1"
+#define ICC_EOIR1   "p15, 0, %0, c12, c12, 1"
+#define ICC_HPPIR0  "p15, 0, %0, c12, c8, 2"
+#define ICC_HPPIR1  "p15, 0, %0, c12, c12, 2"
+#define ICC_BPR0    "p15, 0, %0, c12, c8, 3"
+#define ICC_BPR1    "p15, 0, %0, c12, c12, 3"
+#define ICC_DIR     "p15, 0, %0, c12, c11, 1"
+#define ICC_PMR     "p15, 0, %0, c4, c6, 0"
+#define ICC_RPR     "p15, 0, %0, c12, c11, 3"
+#define ICC_CTLR    "p15, 0, %0, c12, c12, 4"
+#define ICC_MCTLR   "p15, 6, %0, c12, c12, 4"
+#define ICC_SRE     "p15, 0, %0, c12, c12, 5"
+#define ICC_HSRE    "p15, 4, %0, c12, c9, 5"
+#define ICC_MSRE    "p15, 6, %0, c12, c12, 5"
+#define ICC_IGRPEN0 "p15, 0, %0, c12, c12, 6"
+#define ICC_IGRPEN1 "p15, 0, %0, c12, c12, 7"
+#define ICC_MGRPEN1 "p15, 6, %0, c12, c12, 7"
+
+#define __REG32(x) (*((volatile unsigned int*)((rt_uint32_t)x)))
+
+#define ROUTED_TO_ALL (1)
+#define ROUTED_TO_SPEC (0)
+
+/** Macro to access the Distributor Control Register (GICD_CTLR)
+*/
+#define GICD_CTLR_RWP (1<<31)
+#define GICD_CTLR_E1NWF (1<<7)
+#define GICD_CTLR_DS (1<<6)
+#define GICD_CTLR_ARE_NS (1<<5)
+#define GICD_CTLR_ARE_S (1<<4)
+#define GICD_CTLR_ENGRP1S (1<<2)
+#define GICD_CTLR_ENGRP1NS (1<<1)
+#define GICD_CTLR_ENGRP0 (1<<0)
+
+/** Macro to access the Redistributor Control Register (GICR_CTLR)
+*/
+#define GICR_CTLR_UWP (1<<31)
+#define GICR_CTLR_DPG1S (1<<26)
+#define GICR_CTLR_DPG1NS (1<<25)
+#define GICR_CTLR_DPG0 (1<<24)
+#define GICR_CTLR_RWP (1<<3)
+#define GICR_CTLR_IR (1<<2)
+#define GICR_CTLR_CES (1<<1)
+#define GICR_CTLR_EnableLPI (1<<0)
+
+/** Macro to access the Generic Interrupt Controller Interface (GICC)
+*/
+#define GIC_CPU_CTRL(hw_base)               __REG32((hw_base) + 0x00U)
+#define GIC_CPU_PRIMASK(hw_base)            __REG32((hw_base) + 0x04U)
+#define GIC_CPU_BINPOINT(hw_base)           __REG32((hw_base) + 0x08U)
+#define GIC_CPU_INTACK(hw_base)             __REG32((hw_base) + 0x0cU)
+#define GIC_CPU_EOI(hw_base)                __REG32((hw_base) + 0x10U)
+#define GIC_CPU_RUNNINGPRI(hw_base)         __REG32((hw_base) + 0x14U)
+#define GIC_CPU_HIGHPRI(hw_base)            __REG32((hw_base) + 0x18U)
+#define GIC_CPU_IIDR(hw_base)               __REG32((hw_base) + 0xFCU)
+
+/** Macro to access the Generic Interrupt Controller Distributor (GICD)
+*/
+#define GIC_DIST_CTRL(hw_base)              __REG32((hw_base) + 0x000U)
+#define GIC_DIST_TYPE(hw_base)              __REG32((hw_base) + 0x004U)
+#define GIC_DIST_IGROUP(hw_base, n)         __REG32((hw_base) + 0x080U + ((n)/32U) * 4U)
+#define GIC_DIST_ENABLE_SET(hw_base, n)     __REG32((hw_base) + 0x100U + ((n)/32U) * 4U)
+#define GIC_DIST_ENABLE_CLEAR(hw_base, n)   __REG32((hw_base) + 0x180U + ((n)/32U) * 4U)
+#define GIC_DIST_PENDING_SET(hw_base, n)    __REG32((hw_base) + 0x200U + ((n)/32U) * 4U)
+#define GIC_DIST_PENDING_CLEAR(hw_base, n)  __REG32((hw_base) + 0x280U + ((n)/32U) * 4U)
+#define GIC_DIST_ACTIVE_SET(hw_base, n)     __REG32((hw_base) + 0x300U + ((n)/32U) * 4U)
+#define GIC_DIST_ACTIVE_CLEAR(hw_base, n)   __REG32((hw_base) + 0x380U + ((n)/32U) * 4U)
+#define GIC_DIST_PRI(hw_base, n)            __REG32((hw_base) + 0x400U + ((n)/4U) * 4U)
+#define GIC_DIST_TARGET(hw_base, n)         __REG32((hw_base) + 0x800U + ((n)/4U) * 4U)
+#define GIC_DIST_CONFIG(hw_base, n)         __REG32((hw_base) + 0xc00U + ((n)/16U) * 4U)
+#define GIC_DIST_SOFTINT(hw_base)           __REG32((hw_base) + 0xf00U)
+#define GIC_DIST_CPENDSGI(hw_base, n)       __REG32((hw_base) + 0xf10U + ((n)/4U) * 4U)
+#define GIC_DIST_SPENDSGI(hw_base, n)       __REG32((hw_base) + 0xf20U + ((n)/4U) * 4U)
+#define GIC_DIST_ICPIDR2(hw_base)           __REG32((hw_base) + 0xfe8U)
+#define GIC_DIST_IROUTER_LOW(hw_base, n)    __REG32((hw_base) + 0x6000U + (n)*8U)
+#define GIC_DIST_IROUTER_HIGH(hw_base, n)   __REG32((hw_base) + 0x6000U + (n)*8U + 4)
+
+/* SGI base address  is at 64K offset from Redistributor base address */
+#define GIC_RSGI_OFFSET 0x10000
+
+/** Macro to access the Generic Interrupt Controller Redistributor (GICD)
+*/
+#define GIC_RDIST_CTRL(hw_base)              __REG32((hw_base) + 0x000U)
+#define GIC_RDIST_IIDR(hw_base)              __REG32((hw_base) + 0x004U)
+#define GIC_RDIST_TYPER(hw_base)             __REG32((hw_base) + 0x008U)
+#define GIC_RDIST_TSTATUSR(hw_base)          __REG32((hw_base) + 0x010U)
+#define GIC_RDIST_WAKER(hw_base)             __REG32((hw_base) + 0x014U)
+#define GIC_RDIST_SETLPIR(hw_base)           __REG32((hw_base) + 0x040U)
+#define GIC_RDIST_CLRLPIR(hw_base)           __REG32((hw_base) + 0x048U)
+#define GIC_RDIST_PROPBASER(hw_base)         __REG32((hw_base) + 0x070U)
+#define GIC_RDIST_PENDBASER(hw_base)         __REG32((hw_base) + 0x078U)
+#define GIC_RDIST_INVLPIR(hw_base)           __REG32((hw_base) + 0x0A0U)
+#define GIC_RDIST_INVALLR(hw_base)           __REG32((hw_base) + 0x0B0U)
+#define GIC_RDIST_SYNCR(hw_base)             __REG32((hw_base) + 0x0C0U)
+
+#define GIC_RDISTSGI_IGROUPR0(hw_base, n)    __REG32((hw_base) + GIC_RSGI_OFFSET + 0x080U + (n)*4U)
+#define GIC_RDISTSGI_ISENABLER0(hw_base)     __REG32((hw_base) + GIC_RSGI_OFFSET + 0x100U)
+#define GIC_RDISTSGI_ICENABLER0(hw_base)     __REG32((hw_base) + GIC_RSGI_OFFSET + 0x180U)
+#define GIC_RDISTSGI_ISPENDR0(hw_base)       __REG32((hw_base) + GIC_RSGI_OFFSET + 0x200U)
+#define GIC_RDISTSGI_ICPENDR0(hw_base)       __REG32((hw_base) + GIC_RSGI_OFFSET + 0x280U)
+#define GIC_RDISTSGI_ISACTIVER0(hw_base)     __REG32((hw_base) + GIC_RSGI_OFFSET + 0x300U)
+#define GIC_RDISTSGI_ICACTIVER0(hw_base)     __REG32((hw_base) + GIC_RSGI_OFFSET + 0x380U)
+#define GIC_RDISTSGI_IPRIORITYR(hw_base, n)  __REG32((hw_base) + GIC_RSGI_OFFSET + 0x400U + ((n) / 4U) * 4U)
+#define GIC_RDISTSGI_ICFGR0(hw_base)         __REG32((hw_base) + GIC_RSGI_OFFSET + 0xC00U)
+#define GIC_RDISTSGI_ICFGR1(hw_base)         __REG32((hw_base) + GIC_RSGI_OFFSET + 0xC04U)
+#define GIC_RDISTSGI_IGRPMODR0(hw_base, n)   __REG32((hw_base) + GIC_RSGI_OFFSET + 0xD00U + (n)*4)
+#define GIC_RDISTSGI_NSACR(hw_base)          __REG32((hw_base) + GIC_RSGI_OFFSET + 0xE00U)
+
+#define GIC_RSGI_AFF1_OFFSET    16
+#define GIC_RSGI_AFF2_OFFSET    32
+#define GIC_RSGI_AFF3_OFFSET    48
+
+rt_uint32_t arm_gic_cpumask_to_affval(rt_uint32_t *cpu_mask, rt_uint32_t *cluster_id, rt_uint32_t *target_list);
+rt_uint64_t get_main_cpu_affval(void);
+int arm_gic_get_active_irq(rt_uint32_t index);
+void arm_gic_ack(rt_uint32_t index, int irq);
+
+void arm_gic_mask(rt_uint32_t index, int irq);
+void arm_gic_umask(rt_uint32_t index, int irq);
+
+rt_uint32_t arm_gic_get_pending_irq(rt_uint32_t index, int irq);
+void arm_gic_set_pending_irq(rt_uint32_t index, int irq);
+void arm_gic_clear_pending_irq(rt_uint32_t index, int irq);
+
+void arm_gic_set_configuration(rt_uint32_t index, int irq, uint32_t config);
+rt_uint32_t arm_gic_get_configuration(rt_uint32_t index, int irq);
+
+void arm_gic_clear_active(rt_uint32_t index, int irq);
+
+void arm_gic_set_cpu(rt_uint32_t index, int irq, unsigned int cpumask);
+rt_uint32_t arm_gic_get_target_cpu(rt_uint32_t index, int irq);
+
+void arm_gic_set_priority(rt_uint32_t index, int irq, rt_uint32_t priority);
+rt_uint32_t arm_gic_get_priority(rt_uint32_t index, int irq);
+
+void arm_gic_set_interface_prior_mask(rt_uint32_t index, rt_uint32_t priority);
+rt_uint32_t arm_gic_get_interface_prior_mask(rt_uint32_t index);
+
+void arm_gic_set_binary_point(rt_uint32_t index, rt_uint32_t binary_point);
+rt_uint32_t arm_gic_get_binary_point(rt_uint32_t index);
+
+rt_uint32_t arm_gic_get_irq_status(rt_uint32_t index, int irq);
+
+void arm_gic_send_affinity_sgi(rt_uint32_t index, int irq, rt_uint32_t cpu_mask, rt_uint32_t routing_mode);
+rt_uint32_t arm_gic_get_high_pending_irq(rt_uint32_t index);
+
+rt_uint32_t arm_gic_get_interface_id(rt_uint32_t index);
+
+void arm_gic_set_group(rt_uint32_t index, int irq, rt_uint32_t group);
+rt_uint32_t arm_gic_get_group(rt_uint32_t index, int irq);
+
+int arm_gic_redist_address_set(rt_uint32_t index, rt_uint32_t redist_addr, rt_uint32_t cpu_id);
+int arm_gic_cpu_interface_address_set(rt_uint32_t index, rt_uint32_t interface_addr, rt_uint32_t cpu_id);
+int arm_gic_dist_init(rt_uint32_t index, rt_uint32_t dist_base, int irq_start);
+int arm_gic_cpu_init(rt_uint32_t index);
+int arm_gic_redist_init(rt_uint32_t index);
+
+void arm_gic_dump_type(rt_uint32_t index);
+void arm_gic_dump(rt_uint32_t index);
+
+void arm_gic_set_system_register_enable_mask(rt_uint32_t index, rt_uint32_t value);
+rt_uint32_t arm_gic_get_system_register_enable_mask(rt_uint32_t index);
+void arm_gic_secondary_cpu_init(void);
+#endif
+
diff --git a/libcpu/arm/cortex-a/gtimer.c b/libcpu/arm/cortex-a/gtimer.c
index b193a1593d..b35acc6e6f 100644
--- a/libcpu/arm/cortex-a/gtimer.c
+++ b/libcpu/arm/cortex-a/gtimer.c
@@ -110,6 +110,14 @@ void gtimer_set_counter_frequency(rt_uint32_t value)
     __asm__ volatile ("isb 0xF":::"memory");
 }
 
+/** Get the frequency the timer shall run at.
+ *  return timer frequency in Hz.
+ */
+rt_uint32_t gtimer_get_counter_frequency(void)
+{
+    return(__get_cntfrq());
+}
+
 /** Sets the reset value of the timer.
  *  param value: The value the timer is loaded with.
  */
diff --git a/libcpu/arm/cortex-a/gtimer.h b/libcpu/arm/cortex-a/gtimer.h
index 160d0cefde..ec5d54127e 100644
--- a/libcpu/arm/cortex-a/gtimer.h
+++ b/libcpu/arm/cortex-a/gtimer.h
@@ -14,6 +14,7 @@
 #include <rtdef.h>
 
 void gtimer_set_counter_frequency(rt_uint32_t value);
+rt_uint32_t gtimer_get_counter_frequency(void);
 void gtimer_set_load_value(rt_uint32_t value);
 rt_uint32_t gtimer_get_current_value(void);
 rt_uint64_t gtimer_get_current_physical_value(void);
diff --git a/libcpu/arm/cortex-a/interrupt.c b/libcpu/arm/cortex-a/interrupt.c
index 65e51fa3ae..474a23fee1 100644
--- a/libcpu/arm/cortex-a/interrupt.c
+++ b/libcpu/arm/cortex-a/interrupt.c
@@ -12,8 +12,12 @@
 #include <rthw.h>
 #include <rtthread.h>
 #include "interrupt.h"
-#include "gic.h"
 
+#ifdef RT_USING_GIC_V2
+#include "gic.h"
+#else
+#include "gicv3.h"
+#endif
 
 /* exception and interrupt handler table */
 struct rt_irq_desc isr_table[MAX_HANDLERS];
@@ -34,6 +38,7 @@ void rt_hw_vector_init(void)
     rt_cpu_vector_set_base((unsigned int)&system_vectors);
 }
 
+#ifdef RT_USING_GIC_V2
 /**
  * This function will initialize hardware interrupt
  */
@@ -58,6 +63,33 @@ void rt_hw_interrupt_init(void)
     arm_gic_dist_init(0, gic_dist_base, gic_irq_start);
     arm_gic_cpu_init(0, gic_cpu_base);
 }
+#else
+/**
+ * This function will initialize hardware interrupt
+ * Called by the primary cpu(cpu0)
+ */
+void rt_hw_interrupt_init(void)
+{
+    rt_uint32_t gic_dist_base;
+    rt_uint32_t gic_irq_start;
+
+    /* initialize vector table */
+    rt_hw_vector_init();
+
+    /* initialize exceptions table */
+    rt_memset(isr_table, 0x00, sizeof(isr_table));
+
+    /* initialize ARM GIC */
+    gic_dist_base = platform_get_gic_dist_base();
+    gic_irq_start = GIC_IRQ_START;
+
+    arm_gic_dist_init(0, gic_dist_base, gic_irq_start);
+
+    arm_gic_cpu_init(0);
+    arm_gic_redist_init(0);
+}
+
+#endif
 
 /**
  * This function will mask a interrupt.
@@ -245,7 +277,7 @@ unsigned int rt_hw_interrupt_get_prior_group_bits(void)
  * @param old_handler the old interrupt service routine
  */
 rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
-        void *param, const char *name)
+                                         void *param, const char *name)
 {
     rt_isr_handler_t old_handler = RT_NULL;
 
@@ -269,7 +301,11 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
 #ifdef RT_USING_SMP
 void rt_hw_ipi_send(int ipi_vector, unsigned int cpu_mask)
 {
+#ifdef RT_USING_GIC_V2
     arm_gic_send_sgi(0, ipi_vector, cpu_mask, 0);
+#else
+    arm_gic_send_affinity_sgi(0, ipi_vector, cpu_mask, ROUTED_TO_SPEC);
+#endif
 }
 
 void rt_hw_ipi_handler_install(int ipi_vector, rt_isr_handler_t ipi_isr_handler)
diff --git a/libcpu/arm/cortex-a/start_gcc.S b/libcpu/arm/cortex-a/start_gcc.S
index 2e99db7218..bd4bc84604 100644
--- a/libcpu/arm/cortex-a/start_gcc.S
+++ b/libcpu/arm/cortex-a/start_gcc.S
@@ -22,20 +22,26 @@
 .equ I_Bit,           0x80            @ when I bit is set, IRQ is disabled
 .equ F_Bit,           0x40            @ when F bit is set, FIQ is disabled
 
-#ifdef RT_USING_FPU
 .equ UND_Stack_Size,     0x00000400
-#else
-.equ UND_Stack_Size,     0x00000000
-#endif
 .equ SVC_Stack_Size,     0x00000400
-.equ ABT_Stack_Size,     0x00000000
+.equ ABT_Stack_Size,     0x00000400
 .equ RT_FIQ_STACK_PGSZ,  0x00000000
 .equ RT_IRQ_STACK_PGSZ,  0x00000800
 .equ USR_Stack_Size,     0x00000400
 
+.equ SUB_UND_Stack_Size,     0x00000400
+.equ SUB_SVC_Stack_Size,     0x00000400
+.equ SUB_ABT_Stack_Size,     0x00000400
+.equ SUB_RT_FIQ_STACK_PGSZ,  0x00000000
+.equ SUB_RT_IRQ_STACK_PGSZ,  0x00000400
+.equ SUB_USR_Stack_Size,     0x00000400
+
 #define ISR_Stack_Size  (UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + \
                  RT_FIQ_STACK_PGSZ + RT_IRQ_STACK_PGSZ)
 
+#define SUB_ISR_Stack_Size  (SUB_UND_Stack_Size + SUB_SVC_Stack_Size + SUB_ABT_Stack_Size + \
+                 SUB_RT_FIQ_STACK_PGSZ + SUB_RT_IRQ_STACK_PGSZ)
+
 .section .data.share.isr
 /* stack */
 .globl stack_start
@@ -82,9 +88,40 @@ continue:
 
     /* disable the data alignment check */
     mrc p15, 0, r1, c1, c0, 0
-    bic r1, #(1<<1)
+    bic r1, #(1<<0)             /* Disable MMU */
+    bic r1, #(1<<1)             /* Disable Alignment fault checking */
+    bic r1, #(1<<2)             /* Disable data cache */
+    bic r1, #(1<<11)            /* Disable program flow prediction */
+    bic r1, #(1<<12)            /* Disable instruction cache */
+    bic r1, #(3<<19)            /* bit[20:19] must be zero */
     mcr p15, 0, r1, c1, c0, 0
 
+    @ get cpu id, and subtract the offset from the stacks base address
+    bl rt_hw_cpu_id
+    mov r5, r0
+
+    cmp     r5, #0              @ cpu id == 0
+    beq     normal_setup
+
+    @ cpu id > 0, stop or wait
+#ifdef RT_SMP_AUTO_BOOT
+    ldr r0, =secondary_cpu_entry
+    mov r1, #0
+    str r1, [r0] /* clean secondary_cpu_entry */
+#endif /* RT_SMP_AUTO_BOOT */
+
+secondary_loop:
+    @ cpu core 1 goes into sleep until core 0 wakeup it
+    wfe
+#ifdef RT_SMP_AUTO_BOOT
+    ldr r1, =secondary_cpu_entry
+    ldr r0, [r1]
+    cmp r0, #0
+    blxne r0 /* if(secondary_cpu_entry) secondary_cpu_entry(); */
+#endif /* RT_SMP_AUTO_BOOT */
+    b secondary_loop
+
+normal_setup:
     /* setup stack */
     bl      stack_setup
 
@@ -105,6 +142,11 @@ bss_loop:
     mcr p15, 0, r1, c1, c0, 1 //enable smp
 #endif
 
+    /* enable branch prediction */
+    mrc p15, 0, r0, c1, c0, 0
+    orr     r0, r0, #(1<<11)
+    mcr p15, 0, r0, c1, c0, 0
+
     /* initialize the mmu table and enable mmu */
     ldr r0, =platform_mem_desc
     ldr r1, =platform_mem_desc_size
@@ -137,6 +179,7 @@ stack_setup:
 
     @  Set the startup stack for svc
     mov     sp, r0
+    sub     r0, r0, #SVC_Stack_Size
 
     @  Enter Undefined Instruction Mode and set its Stack Pointer
     msr     cpsr_c, #Mode_UND|I_Bit|F_Bit
@@ -378,16 +421,6 @@ vector_resv:
     b       .
 
 #ifdef RT_USING_SMP
-.global set_secondary_cpu_boot_address
-set_secondary_cpu_boot_address:
-    ldr r0, =secondary_cpu_start
-
-    mvn r1, #0 //0xffffffff
-    ldr r2, =0x10000034
-    str r1, [r2]
-    str r0, [r2, #-4]
-    mov pc, lr
-
 .global secondary_cpu_start
 secondary_cpu_start:
 
@@ -405,38 +438,52 @@ secondary_cpu_start:
     bic r0, #(1<<13)
     mcr p15, 0, r0, c1, c0, 0
 
-#ifdef RT_USING_FPU
-    cps #Mode_UND
-    ldr sp, =und_stack_2_limit
-#endif
+    /* enable branch prediction */
+    mrc p15, 0, r0, c1, c0, 0
+    orr     r0, r0, #(1<<11)
+    mcr p15, 0, r0, c1, c0, 0
 
-    cps #Mode_IRQ
-    ldr sp, =irq_stack_2_limit
+    @ get cpu id, and subtract the offset from the stacks base address
+    bl rt_hw_cpu_id
+    sub r5, r0, #1
 
-    cps #Mode_FIQ
-    ldr sp, =irq_stack_2_limit
+    ldr r0, =SUB_ISR_Stack_Size
+    mul r0, r0, r5                      @r0 = SUB_ISR_Stack_Size * (cpuid - 1)
+    ldr r1, =sub_stack_top
+    sub r0, r1, r0                      @r0 = sub_stack_top - (SUB_ISR_Stack_Size * (cpuid - 1))
+
+    cps #Mode_SVC
+    mov     sp, r0
+    sub     r0, r0, #SUB_SVC_Stack_Size
+
+    cps #Mode_UND
+    mov     sp, r0
+    sub     r0, r0, #SUB_UND_Stack_Size
+
+    cps #Mode_ABT
+    mov     sp, r0
+    sub     r0, r0, #SUB_ABT_Stack_Size
+
+    cps #Mode_FIQ
+    mov     sp, r0
+    sub     r0, r0, #SUB_RT_FIQ_STACK_PGSZ
+
+    cps #Mode_IRQ
+    mov     sp, r0
+    sub     r0, r0, #SUB_RT_IRQ_STACK_PGSZ
 
     cps #Mode_SVC
-    ldr sp, =svc_stack_2_limit
 
     /* initialize the mmu table and enable mmu */
     bl rt_hw_mmu_init
 
     b secondary_cpu_c_start
-#endif
 
 .bss
 .align 2   //align to  2~2=4
-svc_stack_2:
-    .space (1 << 10)
-svc_stack_2_limit:
 
-irq_stack_2:
-    .space (1 << 10)
-irq_stack_2_limit:
+sub_stack_start:
+    .space (SUB_ISR_Stack_Size * (RT_CPUS_NR-1))
+sub_stack_top:
 
-#ifdef RT_USING_FPU
-und_stack_2:
-    .space (1 << 10)
-und_stack_2_limit:
 #endif