diff --git a/bsp/x86/.config b/bsp/x86/.config
index 724677ee5e..0b07b399df 100644
--- a/bsp/x86/.config
+++ b/bsp/x86/.config
@@ -10,6 +10,7 @@ CONFIG_RT_NAME_MAX=8
 # CONFIG_RT_USING_ARCH_DATA_TYPE is not set
 # CONFIG_RT_USING_AMP is not set
 # CONFIG_RT_USING_SMP is not set
+CONFIG_RT_CPUS_NR=1
 CONFIG_RT_ALIGN_SIZE=8
 # CONFIG_RT_THREAD_PRIORITY_8 is not set
 CONFIG_RT_THREAD_PRIORITY_32=y
@@ -64,19 +65,15 @@ CONFIG_RT_USING_SMALL_MEM_AS_HEAP=y
 CONFIG_RT_USING_MEMTRACE=y
 # CONFIG_RT_USING_HEAP_ISR is not set
 CONFIG_RT_USING_HEAP=y
-
-#
-# Kernel Device Object
-#
 CONFIG_RT_USING_DEVICE=y
 # CONFIG_RT_USING_DEVICE_OPS is not set
-# CONFIG_RT_USING_DM is not set
 # CONFIG_RT_USING_INTERRUPT_INFO is not set
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=256
 CONFIG_RT_CONSOLE_DEVICE_NAME="console"
-CONFIG_RT_VER_NUM=0x50002
+CONFIG_RT_VER_NUM=0x50100
 # CONFIG_RT_USING_STDC_ATOMIC is not set
+CONFIG_RT_BACKTRACE_LEVEL_MAX_NR=32
 # CONFIG_RT_USING_CACHE is not set
 # CONFIG_RT_USING_HW_ATOMIC is not set
 # CONFIG_ARCH_ARM_BOOTWITH_FLUSH_CACHE is not set
@@ -144,6 +141,7 @@ CONFIG_RT_DFS_ELM_MAX_SECTOR_SIZE=512
 # CONFIG_RT_DFS_ELM_USE_ERASE is not set
 CONFIG_RT_DFS_ELM_REENTRANT=y
 CONFIG_RT_DFS_ELM_MUTEX_TIMEOUT=3000
+# CONFIG_RT_DFS_ELM_USE_EXFAT is not set
 CONFIG_RT_USING_DFS_DEVFS=y
 CONFIG_RT_USING_DFS_ROMFS=y
 # CONFIG_RT_USING_DFS_CROMFS is not set
@@ -155,6 +153,7 @@ CONFIG_RT_USING_DFS_ROMFS=y
 #
 # Device Drivers
 #
+# CONFIG_RT_USING_DM is not set
 CONFIG_RT_USING_DEVICE_IPC=y
 CONFIG_RT_UNAMED_PIPE_NUMBER=64
 CONFIG_RT_USING_SYSTEM_WORKQUEUE=y
@@ -180,7 +179,6 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_PM is not set
-# CONFIG_RT_USING_FDT is not set
 # CONFIG_RT_USING_RTC is not set
 # CONFIG_RT_USING_SDIO is not set
 # CONFIG_RT_USING_SPI is not set
@@ -263,6 +261,17 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_RT_USING_RT_LINK is not set
 # CONFIG_RT_USING_VBUS is not set
 
+#
+# Memory management
+#
+# CONFIG_RT_USING_MEMBLOCK is not set
+
+#
+# Memory protection
+#
+# CONFIG_RT_USING_MEM_PROTECTION is not set
+# CONFIG_RT_USING_HW_STACK_GUARD is not set
+
 #
 # RT-Thread Utestcases
 #
@@ -303,6 +312,11 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # CONFIG_PKG_USING_WLAN_WICED is not set
 # CONFIG_PKG_USING_RW007 is not set
+
+#
+# CYW43012 WiFi
+#
+# CONFIG_PKG_USING_WLAN_CYW43012 is not set
 # CONFIG_PKG_USING_COAP is not set
 # CONFIG_PKG_USING_NOPOLL is not set
 # CONFIG_PKG_USING_NETUTILS is not set
@@ -345,6 +359,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_NMEALIB is not set
 # CONFIG_PKG_USING_PDULIB is not set
 # CONFIG_PKG_USING_BTSTACK is not set
+# CONFIG_PKG_USING_BT_CYW43012 is not set
 # CONFIG_PKG_USING_LORAWAN_ED_STACK is not set
 # CONFIG_PKG_USING_WAYZ_IOTKIT is not set
 # CONFIG_PKG_USING_MAVLINK is not set
@@ -364,6 +379,8 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ZFTP is not set
 # CONFIG_PKG_USING_WOL is not set
 # CONFIG_PKG_USING_ZEPHYR_POLLING is not set
+# CONFIG_PKG_USING_MATTER_ADAPTATION_LAYER is not set
+# CONFIG_PKG_USING_LHC_MODBUS is not set
 
 #
 # security packages
@@ -410,7 +427,6 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # LVGL: powerful and easy-to-use embedded GUI library
 #
 # CONFIG_PKG_USING_LVGL is not set
-# CONFIG_PKG_USING_LITTLEVGL2RTT is not set
 # CONFIG_PKG_USING_LV_MUSIC_DEMO is not set
 # CONFIG_PKG_USING_GUI_GUIDER_DEMO is not set
 
@@ -485,6 +501,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_HASH_MATCH is not set
 # CONFIG_PKG_USING_ARMV7M_DWT_TOOL is not set
 # CONFIG_PKG_USING_VOFA_PLUS is not set
+# CONFIG_PKG_USING_ZDEBUG is not set
 
 #
 # system packages
@@ -521,6 +538,8 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_UC_COMMON is not set
 # CONFIG_PKG_USING_UC_MODBUS is not set
 # CONFIG_PKG_USING_FREERTOS_WRAPPER is not set
+# CONFIG_PKG_USING_LITEOS_SDK is not set
+# CONFIG_PKG_USING_TZ_DATABASE is not set
 # CONFIG_PKG_USING_CAIRO is not set
 # CONFIG_PKG_USING_PIXMAN is not set
 # CONFIG_PKG_USING_PARTITION is not set
@@ -544,6 +563,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_QBOOT is not set
 # CONFIG_PKG_USING_PPOOL is not set
 # CONFIG_PKG_USING_OPENAMP is not set
+# CONFIG_PKG_USING_RPMSG_LITE is not set
 # CONFIG_PKG_USING_LPM is not set
 # CONFIG_PKG_USING_TLSF is not set
 # CONFIG_PKG_USING_EVENT_RECORDER is not set
@@ -557,6 +577,11 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_AGILE_UPGRADE is not set
 # CONFIG_PKG_USING_FLASH_BLOB is not set
 # CONFIG_PKG_USING_MLIBC is not set
+# CONFIG_PKG_USING_TASK_MSG_BUS is not set
+# CONFIG_PKG_USING_SFDB is not set
+# CONFIG_PKG_USING_RTP is not set
+# CONFIG_PKG_USING_REB is not set
+# CONFIG_PKG_USING_R_RHEALSTONE is not set
 
 #
 # peripheral libraries and drivers
@@ -621,6 +646,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_BALANCE is not set
 # CONFIG_PKG_USING_SHT2X is not set
 # CONFIG_PKG_USING_SHT3X is not set
+# CONFIG_PKG_USING_SHT4X is not set
 # CONFIG_PKG_USING_AD7746 is not set
 # CONFIG_PKG_USING_ADT74XX is not set
 # CONFIG_PKG_USING_MAX17048 is not set
@@ -721,6 +747,9 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_FINGERPRINT is not set
 # CONFIG_PKG_USING_BT_ECB02C is not set
 # CONFIG_PKG_USING_UAT is not set
+# CONFIG_PKG_USING_ST7789 is not set
+# CONFIG_PKG_USING_VS1003 is not set
+# CONFIG_PKG_USING_X9555 is not set
 # CONFIG_PKG_USING_SPI_TOOLS is not set
 
 #
@@ -735,6 +764,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ULAPACK is not set
 # CONFIG_PKG_USING_QUEST is not set
 # CONFIG_PKG_USING_NAXOS is not set
+# CONFIG_PKG_USING_R_TINYMAIX is not set
 
 #
 # Signal Processing and Control Algorithm Packages
@@ -781,6 +811,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_MINILZO is not set
 # CONFIG_PKG_USING_QUICKLZ is not set
 # CONFIG_PKG_USING_LZMA is not set
+# CONFIG_PKG_USING_RALARAM is not set
 # CONFIG_PKG_USING_MULTIBUTTON is not set
 # CONFIG_PKG_USING_FLEXIBLE_BUTTON is not set
 # CONFIG_PKG_USING_CANFESTIVAL is not set
@@ -965,6 +996,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_GFX_LIBRARY is not set
 # CONFIG_PKG_USING_ARDUINO_U8G2 is not set
+# CONFIG_PKG_USING_ARDUINO_TFT_ESPI is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_ST7735 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_SSD1306 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_ILI9341 is not set
@@ -973,6 +1005,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # Timing
 #
+# CONFIG_PKG_USING_ARDUINO_RTCLIB is not set
 # CONFIG_PKG_USING_ARDUINO_MSTIMER2 is not set
 # CONFIG_PKG_USING_ARDUINO_TICKER is not set
 # CONFIG_PKG_USING_ARDUINO_TASKSCHEDULER is not set
@@ -1009,7 +1042,6 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_MFRC630 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_SI5351 is not set
-# CONFIG_PKG_USING_ARDUINO_RTCLIB is not set
 
 #
 # Signal IO
diff --git a/bsp/x86/drivers/floppy.c b/bsp/x86/drivers/floppy.c
index 7f3837fcfd..ca6d94eec2 100644
--- a/bsp/x86/drivers/floppy.c
+++ b/bsp/x86/drivers/floppy.c
@@ -6,6 +6,7 @@
  * Change Logs:
  */
 #include <rtthread.h>
+#include <rtdevice.h>
 #include <rthw.h>
 
 #include <bsp.h>
diff --git a/bsp/x86/rtconfig.h b/bsp/x86/rtconfig.h
index ee798c12cc..1814f9c41e 100644
--- a/bsp/x86/rtconfig.h
+++ b/bsp/x86/rtconfig.h
@@ -7,6 +7,7 @@
 /* RT-Thread Kernel */
 
 #define RT_NAME_MAX 8
+#define RT_CPUS_NR 1
 #define RT_ALIGN_SIZE 8
 #define RT_THREAD_PRIORITY_32
 #define RT_THREAD_PRIORITY_MAX 32
@@ -42,14 +43,12 @@
 #define RT_USING_SMALL_MEM_AS_HEAP
 #define RT_USING_MEMTRACE
 #define RT_USING_HEAP
-
-/* Kernel Device Object */
-
 #define RT_USING_DEVICE
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 256
 #define RT_CONSOLE_DEVICE_NAME "console"
-#define RT_VER_NUM 0x50002
+#define RT_VER_NUM 0x50100
+#define RT_BACKTRACE_LEVEL_MAX_NR 32
 #define ARCH_IA32
 
 /* RT-Thread Components */
@@ -142,6 +141,12 @@
 /* Utilities */
 
 
+/* Memory management */
+
+
+/* Memory protection */
+
+
 /* RT-Thread Utestcases */
 
 
@@ -158,6 +163,9 @@
 /* Wiced WiFi */
 
 
+/* CYW43012 WiFi */
+
+
 /* IoT Cloud */
 
 
diff --git a/libcpu/ia32/cpuport.c b/libcpu/ia32/cpuport.c
index 2e0380d9f8..3e67eefd04 100644
--- a/libcpu/ia32/cpuport.c
+++ b/libcpu/ia32/cpuport.c
@@ -28,7 +28,7 @@ void rt_hw_interrupt_enable(rt_base_t level)
     __asm__ __volatile__("pushl %0 ; popfl": :"g" (level):"memory", "cc");
 }
 
-void rt_hw_context_switch_interrupt(rt_ubase_t from, rt_ubase_t to)
+void rt_hw_context_switch_interrupt(rt_ubase_t from, rt_ubase_t to, rt_thread_t from_thread, rt_thread_t to_thread)
 {
     if (rt_thread_switch_interrupt_flag == 0)
         rt_interrupt_from_thread = from;