Add support for architecture sparc-v8 and soc bm3803.

15 files changed, 1158 insertions, 0 deletions

diff --git a/bsp/bm3803/.config b/bsp/bm3803/.config
new file mode 100644
index 0000000000..c062cf4890
--- /dev/null
+++ b/bsp/bm3803/.config
@@ -0,0 +1,456 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# RT-Thread Configuration
+#
+
+#
+# RT-Thread Kernel
+#
+CONFIG_RT_NAME_MAX=8
+# CONFIG_RT_USING_ARCH_DATA_TYPE is not set
+# CONFIG_RT_USING_SMP is not set
+CONFIG_RT_ALIGN_SIZE=4
+# CONFIG_RT_THREAD_PRIORITY_8 is not set
+CONFIG_RT_THREAD_PRIORITY_32=y
+# CONFIG_RT_THREAD_PRIORITY_256 is not set
+CONFIG_RT_THREAD_PRIORITY_MAX=32
+CONFIG_RT_TICK_PER_SECOND=100
+CONFIG_RT_USING_OVERFLOW_CHECK=y
+CONFIG_RT_USING_HOOK=y
+CONFIG_RT_USING_IDLE_HOOK=y
+CONFIG_RT_IDLE_HOOK_LIST_SIZE=4
+CONFIG_IDLE_THREAD_STACK_SIZE=4096
+# CONFIG_RT_USING_TIMER_SOFT is not set
+CONFIG_RT_DEBUG=y
+# CONFIG_RT_DEBUG_COLOR is not set
+# CONFIG_RT_DEBUG_INIT_CONFIG is not set
+# CONFIG_RT_DEBUG_THREAD_CONFIG is not set
+# CONFIG_RT_DEBUG_SCHEDULER_CONFIG is not set
+# CONFIG_RT_DEBUG_IPC_CONFIG is not set
+# CONFIG_RT_DEBUG_TIMER_CONFIG is not set
+# CONFIG_RT_DEBUG_IRQ_CONFIG is not set
+# CONFIG_RT_DEBUG_MEM_CONFIG is not set
+# CONFIG_RT_DEBUG_SLAB_CONFIG is not set
+# CONFIG_RT_DEBUG_MEMHEAP_CONFIG is not set
+# CONFIG_RT_DEBUG_MODULE_CONFIG is not set
+
+#
+# Inter-Thread communication
+#
+CONFIG_RT_USING_SEMAPHORE=y
+CONFIG_RT_USING_MUTEX=y
+CONFIG_RT_USING_EVENT=y
+CONFIG_RT_USING_MAILBOX=y
+CONFIG_RT_USING_MESSAGEQUEUE=y
+# CONFIG_RT_USING_SIGNALS is not set
+
+#
+# Memory Management
+#
+CONFIG_RT_USING_MEMPOOL=y
+CONFIG_RT_USING_MEMHEAP=y
+# CONFIG_RT_USING_NOHEAP is not set
+CONFIG_RT_USING_SMALL_MEM=y
+# CONFIG_RT_USING_SLAB is not set
+# CONFIG_RT_USING_MEMHEAP_AS_HEAP is not set
+# CONFIG_RT_USING_MEMTRACE is not set
+CONFIG_RT_USING_HEAP=y
+
+#
+# Kernel Device Object
+#
+CONFIG_RT_USING_DEVICE=y
+CONFIG_RT_USING_DEVICE_OPS=y
+# CONFIG_RT_USING_INTERRUPT_INFO is not set
+CONFIG_RT_USING_CONSOLE=y
+CONFIG_RT_CONSOLEBUF_SIZE=128
+CONFIG_RT_CONSOLE_DEVICE_NAME="uart1"
+CONFIG_RT_VER_NUM=0x40003
+# CONFIG_RT_USING_CPU_FFS is not set
+# CONFIG_ARCH_CPU_STACK_GROWS_UPWARD is not set
+
+#
+# RT-Thread Components
+#
+CONFIG_RT_USING_COMPONENTS_INIT=y
+CONFIG_RT_USING_USER_MAIN=y
+CONFIG_RT_MAIN_THREAD_STACK_SIZE=4096
+CONFIG_RT_MAIN_THREAD_PRIORITY=10
+
+#
+# C++ features
+#
+# CONFIG_RT_USING_CPLUSPLUS is not set
+
+#
+# Command shell
+#
+CONFIG_RT_USING_FINSH=y
+CONFIG_FINSH_THREAD_NAME="tshell"
+CONFIG_FINSH_USING_HISTORY=y
+CONFIG_FINSH_HISTORY_LINES=5
+CONFIG_FINSH_USING_SYMTAB=y
+CONFIG_FINSH_USING_DESCRIPTION=y
+# CONFIG_FINSH_ECHO_DISABLE_DEFAULT is not set
+CONFIG_FINSH_THREAD_PRIORITY=20
+CONFIG_FINSH_THREAD_STACK_SIZE=4096
+CONFIG_FINSH_CMD_SIZE=80
+# CONFIG_FINSH_USING_AUTH is not set
+CONFIG_FINSH_USING_MSH=y
+CONFIG_FINSH_USING_MSH_DEFAULT=y
+# CONFIG_FINSH_USING_MSH_ONLY is not set
+CONFIG_FINSH_ARG_MAX=10
+
+#
+# Device virtual file system
+#
+CONFIG_RT_USING_DFS=y
+CONFIG_DFS_USING_WORKDIR=y
+CONFIG_DFS_FILESYSTEMS_MAX=2
+CONFIG_DFS_FILESYSTEM_TYPES_MAX=2
+CONFIG_DFS_FD_MAX=16
+# CONFIG_RT_USING_DFS_MNTTABLE is not set
+# CONFIG_RT_USING_DFS_ELMFAT is not set
+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
+#
+CONFIG_RT_USING_DEVICE_IPC=y
+CONFIG_RT_PIPE_BUFSZ=512
+# CONFIG_RT_USING_SYSTEM_WORKQUEUE is not set
+CONFIG_RT_USING_SERIAL=y
+# CONFIG_RT_SERIAL_USING_DMA is not set
+CONFIG_RT_SERIAL_RB_BUFSZ=64
+# CONFIG_RT_USING_CAN is not set
+# CONFIG_RT_USING_HWTIMER is not set
+# CONFIG_RT_USING_CPUTIME is not set
+# CONFIG_RT_USING_I2C is not set
+# CONFIG_RT_USING_PIN is not set
+# 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
+# CONFIG_RT_USING_PM is not set
+# CONFIG_RT_USING_RTC is not set
+# CONFIG_RT_USING_SDIO is not set
+# CONFIG_RT_USING_SPI is not set
+# CONFIG_RT_USING_WDT is not set
+# CONFIG_RT_USING_AUDIO is not set
+# CONFIG_RT_USING_SENSOR is not set
+# CONFIG_RT_USING_TOUCH is not set
+# CONFIG_RT_USING_HWCRYPTO is not set
+# CONFIG_RT_USING_PULSE_ENCODER is not set
+# CONFIG_RT_USING_INPUT_CAPTURE is not set
+# CONFIG_RT_USING_WIFI is not set
+
+#
+# Using USB
+#
+# CONFIG_RT_USING_USB_HOST is not set
+# CONFIG_RT_USING_USB_DEVICE is not set
+
+#
+# POSIX layer and C standard library
+#
+CONFIG_RT_USING_LIBC=y
+# CONFIG_RT_USING_PTHREADS is not set
+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
+
+#
+# Network
+#
+
+#
+# Socket abstraction layer
+#
+# CONFIG_RT_USING_SAL is not set
+
+#
+# Network interface device
+#
+# CONFIG_RT_USING_NETDEV is not set
+
+#
+# light weight TCP/IP stack
+#
+# CONFIG_RT_USING_LWIP is not set
+
+#
+# AT commands
+#
+# CONFIG_RT_USING_AT is not set
+
+#
+# VBUS(Virtual Software BUS)
+#
+# CONFIG_RT_USING_VBUS is not set
+
+#
+# Utilities
+#
+# CONFIG_RT_USING_RYM is not set
+# CONFIG_RT_USING_ULOG is not set
+# CONFIG_RT_USING_UTEST is not set
+
+#
+# RT-Thread online packages
+#
+
+#
+# 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
+# CONFIG_PKG_USING_LIBMODBUS is not set
+# CONFIG_PKG_USING_FREEMODBUS is not set
+# CONFIG_PKG_USING_LJSON is not set
+# CONFIG_PKG_USING_EZXML is not set
+# CONFIG_PKG_USING_NANOPB is not set
+
+#
+# Wi-Fi
+#
+
+#
+# Marvell WiFi
+#
+# CONFIG_PKG_USING_WLANMARVELL is not set
+
+#
+# Wiced WiFi
+#
+# CONFIG_PKG_USING_WLAN_WICED is not set
+# CONFIG_PKG_USING_RW007 is not set
+# 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
+
+#
+# IoT Cloud
+#
+# CONFIG_PKG_USING_ONENET is not set
+# 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_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
+# CONFIG_PKG_USING_LSSDP is not set
+# CONFIG_PKG_USING_AIRKISS_OPEN is not set
+# CONFIG_PKG_USING_LIBRWS is not set
+# CONFIG_PKG_USING_TCPSERVER is not set
+# 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
+
+#
+# security packages
+#
+# 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
+#
+# CONFIG_PKG_USING_LUA is not set
+# CONFIG_PKG_USING_JERRYSCRIPT is not set
+# CONFIG_PKG_USING_MICROPYTHON is not set
+
+#
+# multimedia packages
+#
+# CONFIG_PKG_USING_OPENMV is not set
+# CONFIG_PKG_USING_MUPDF is not set
+# CONFIG_PKG_USING_STEMWIN is not set
+# CONFIG_PKG_USING_WAVPLAYER is not set
+# CONFIG_PKG_USING_TJPGD is not set
+
+#
+# tools packages
+#
+# CONFIG_PKG_USING_CMBACKTRACE is not set
+# CONFIG_PKG_USING_EASYFLASH is not set
+# CONFIG_PKG_USING_EASYLOGGER is not set
+# CONFIG_PKG_USING_SYSTEMVIEW is not set
+# CONFIG_PKG_USING_RDB is not set
+# 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
+#
+# CONFIG_PKG_USING_GUIENGINE is not set
+# CONFIG_PKG_USING_CAIRO is not set
+# CONFIG_PKG_USING_PIXMAN is not set
+# 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
+# CONFIG_PKG_USING_CMSIS is not set
+# CONFIG_PKG_USING_DFS_YAFFS is not set
+# 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_UCOSIII_WRAPPER is not set
+# CONFIG_PKG_USING_PPOOL is not set
+
+#
+# peripheral libraries and drivers
+#
+# 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
+# CONFIG_PKG_USING_BUTTON is not set
+# CONFIG_PKG_USING_PCF8574 is not set
+# 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
+# CONFIG_PKG_USING_PCA9685 is not set
+# 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_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
+
+#
+# miscellaneous packages
+#
+# CONFIG_PKG_USING_LIBCSV is not set
+# CONFIG_PKG_USING_OPTPARSE is not set
+# CONFIG_PKG_USING_FASTLZ is not set
+# CONFIG_PKG_USING_MINILZO is not set
+# CONFIG_PKG_USING_QUICKLZ 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
+# CONFIG_PKG_USING_ZLIB is not set
+# CONFIG_PKG_USING_DSTR is not set
+# CONFIG_PKG_USING_TINYFRAME is not set
+# CONFIG_PKG_USING_KENDRYTE_DEMO is not set
+# CONFIG_PKG_USING_DIGITALCTRL is not set
+# CONFIG_PKG_USING_UPACKER is not set
+# CONFIG_PKG_USING_UPARAM is not set
+
+#
+# samples: kernel and components samples
+#
+# CONFIG_PKG_USING_KERNEL_SAMPLES is not set
+# CONFIG_PKG_USING_FILESYSTEM_SAMPLES is not set
+# CONFIG_PKG_USING_NETWORK_SAMPLES is not set
+# CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
+# CONFIG_PKG_USING_HELLO is not set
+# CONFIG_PKG_USING_VI is not set
+# CONFIG_PKG_USING_NNOM is not set
+# CONFIG_PKG_USING_LIBANN is not set
+# 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_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_BM3803=y
+CONFIG_RT_USING_UART1=y
diff --git a/bsp/bm3803/Kconfig b/bsp/bm3803/Kconfig
new file mode 100644
index 0000000000..2e34f6fc57
--- /dev/null
+++ b/bsp/bm3803/Kconfig
@@ -0,0 +1,38 @@
+mainmenu "RT-Thread Configuration"
+
+config BSP_DIR
+    string
+    option env="BSP_ROOT"
+    default "."
+
+config RTT_DIR
+    string
+    option env="RTT_ROOT"
+    default "../.."
+    
+# you can change the RTT_ROOT default "../.." to your rtthread_root,
+# example: default "F:/git_repositories/rt-thread"
+
+config PKGS_DIR
+    string
+    option env="PKGS_ROOT"
+    default "packages"
+    
+config ENV_DIR
+    string
+    option env="ENV_ROOT"
+    default "/"
+
+source "$RTT_DIR/Kconfig"
+source "$PKGS_DIR/Kconfig"
+
+config SOC_BM3803
+    bool
+    select RT_USING_COMPONENTS_INIT
+    select RT_USING_USER_MAIN
+    default y
+
+config RT_USING_UART1
+    bool "Using RT_USING_UART1"
+    default y
+
diff --git a/bsp/bm3803/SConscript b/bsp/bm3803/SConscript
new file mode 100644
index 0000000000..fe0ae941ae
--- /dev/null
+++ b/bsp/bm3803/SConscript
@@ -0,0 +1,14 @@
+# for module compiling
+import os
+Import('RTT_ROOT')
+
+cwd = str(Dir('#'))
+objs = []
+list = os.listdir(cwd)
+
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')
diff --git a/bsp/bm3803/SConstruct b/bsp/bm3803/SConstruct
new file mode 100644
index 0000000000..afa8291469
--- /dev/null
+++ b/bsp/bm3803/SConstruct
@@ -0,0 +1,31 @@
+import os
+import sys
+import rtconfig
+
+if os.getenv('RTT_ROOT'):
+    RTT_ROOT = os.getenv('RTT_ROOT')
+else:
+    RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
+
+sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
+from building import *
+
+TARGET = 'rtthread-bm3803.' + rtconfig.TARGET_EXT
+
+DefaultEnvironment(tools=[])
+env = Environment(tools = ['mingw'],
+	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
+	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	CXX= rtconfig.CXX, CXXFLAGS = rtconfig.CFLAGS,
+	AR = rtconfig.AR, ARFLAGS = '-rc',
+	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
+env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
+
+Export('RTT_ROOT')
+Export('rtconfig')
+
+# prepare building environment
+objs = PrepareBuilding(env, RTT_ROOT)
+
+# make a building
+DoBuilding(TARGET, objs)
diff --git a/bsp/bm3803/applications/SConscript b/bsp/bm3803/applications/SConscript
new file mode 100644
index 0000000000..01eb940dfb
--- /dev/null
+++ b/bsp/bm3803/applications/SConscript
@@ -0,0 +1,11 @@
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+cwd     = os.path.join(str(Dir('#')), 'applications')
+src	= Glob('*.c')
+CPPPATH = [cwd, str(Dir('#'))]
+
+group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')
diff --git a/bsp/bm3803/applications/board.c b/bsp/bm3803/applications/board.c
new file mode 100644
index 0000000000..043fceda03
--- /dev/null
+++ b/bsp/bm3803/applications/board.c
@@ -0,0 +1,58 @@
+/*
+ * File      : board.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2020, Shenzhen Academy of Aerospace Technology
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-10-16     Dystopia     the first version
+ */
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <finsh.h>
+
+#include "board.h"
+#include <interrupt.h>
+
+extern int __bss_end;
+
+static void rt_hw_timer_isr(int vector, void* param)
+{
+	rt_tick_increase();
+	/* timer interrupt cleared by hardware */
+}
+
+int rt_hw_timer_init(void)
+{
+	unsigned int counter = 1000000 / RT_TICK_PER_SECOND;
+	volatile struct lregs *regs = (struct lregs*)PREGS;
+    
+    regs->scalercnt = CPU_FREQ / 1000000 - 1;
+    regs->scalerload = CPU_FREQ / 1000000 - 1;
+    regs->timercnt2 = counter - 1;
+    regs->timerload2 = counter - 1;
+
+	rt_hw_interrupt_install(TIMER2_TT, rt_hw_timer_isr, RT_NULL, "tick");
+	rt_hw_interrupt_umask(TIMER2_TT);
+
+	/* start timer */
+	regs->timerctrl2 = 0x7;
+
+    return 0;
+}
+INIT_BOARD_EXPORT(rt_hw_timer_init);
+
+/**
+ * This function will initialize beaglebone board
+ */
+void rt_hw_board_init(void)
+{
+	rt_system_heap_init((void*)&__bss_end, (void*)&__bss_end + 0x01000000);
+    rt_components_board_init();
+	rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
+}
diff --git a/bsp/bm3803/applications/board.h b/bsp/bm3803/applications/board.h
new file mode 100644
index 0000000000..becb93cf3b
--- /dev/null
+++ b/bsp/bm3803/applications/board.h
@@ -0,0 +1,24 @@
+/*
+ * File      : board.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2020, Shenzhen Academy of Aerospace Technology
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-10-16     Dystopia     the first version
+ */
+
+#ifndef __BOARD_H__
+#define __BOARD_H__
+
+#include <bm3803.h>
+
+#define CPU_FREQ 90000000
+
+void rt_hw_board_init(void);
+
+#endif
diff --git a/bsp/bm3803/applications/main.c b/bsp/bm3803/applications/main.c
new file mode 100644
index 0000000000..d77e7a2a8b
--- /dev/null
+++ b/bsp/bm3803/applications/main.c
@@ -0,0 +1,9 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void)
+{
+    printf("hello rt-thread\n");
+    return 0;
+}
diff --git a/bsp/bm3803/bm3803.lds b/bsp/bm3803/bm3803.lds
new file mode 100644
index 0000000000..e8984325c1
--- /dev/null
+++ b/bsp/bm3803/bm3803.lds
@@ -0,0 +1,90 @@
+OUTPUT_ARCH(sparc)
+SECTIONS
+{
+    . = 0x40000000;
+
+    __text_start = .;
+    .text :
+    {
+        *(.vectors)
+        *(.text)
+        *(.text.*)
+
+        /* section information for finsh shell */
+        . = ALIGN(4);
+        __fsymtab_start = .;
+        KEEP(*(FSymTab))
+        __fsymtab_end = .;
+        . = ALIGN(4);
+        __vsymtab_start = .;
+        KEEP(*(VSymTab))
+        __vsymtab_end = .;
+        . = ALIGN(4);	
+
+        /* section information for modules */
+        . = ALIGN(4);
+        __rtmsymtab_start = .;
+        KEEP(*(RTMSymTab))
+        __rtmsymtab_end = .;
+
+        /* section information for initialization */
+        . = ALIGN(4);
+        __rt_init_start = .;
+        KEEP(*(SORT(.rti_fn*)))
+        __rt_init_end = .;
+    } =0
+    __text_end = .;
+
+    __rodata_start = .;
+    .rodata   : { *(.rodata) *(.rodata.*) }
+    __rodata_end = .;
+
+    . = ALIGN(4);
+    .ctors :
+    {
+        PROVIDE(__ctors_start__ = .);
+        KEEP(*(SORT(.ctors.*)))
+        KEEP(*(.ctors))
+        PROVIDE(__ctors_end__ = .);
+    }
+
+    .dtors :
+    {
+        PROVIDE(__dtors_start__ = .);
+        KEEP(*(SORT(.dtors.*)))
+        KEEP(*(.dtors))
+        PROVIDE(__dtors_end__ = .);
+    }
+
+    . = ALIGN(8);
+    __data_start = .;
+    .data :
+    {
+        *(.data)
+        *(.data.*)
+    }
+    __data_end = .;
+
+    . = ALIGN(8);
+    __bss_start = .;
+    .bss       :
+    {
+    *(.bss)
+    *(.bss.*)
+    *(COMMON)
+    . = ALIGN(4);
+    }
+    . = ALIGN(4);
+    __bss_end = .;
+
+    /* Stabs debugging sections.  */
+    .stab 0 : { *(.stab) }
+    .stabstr 0 : { *(.stabstr) }
+    .stab.excl 0 : { *(.stab.excl) }
+    .stab.exclstr 0 : { *(.stab.exclstr) }
+    .stab.index 0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment 0 : { *(.comment) }
+
+    _end = .;
+}
diff --git a/bsp/bm3803/drivers/SConscript b/bsp/bm3803/drivers/SConscript
new file mode 100644
index 0000000000..a630c8a7c4
--- /dev/null
+++ b/bsp/bm3803/drivers/SConscript
@@ -0,0 +1,22 @@
+import copy
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+cwd     = GetCurrentDir()
+src	= Glob('*.c')
+
+# remove no need file.
+if GetDepend('RT_USING_LWIP') == False:
+    src_need_remove = ['dm9000.c'] # need remove file list.
+    SrcRemove(src, src_need_remove)
+
+if GetDepend('RT_USING_DFS') == False:
+    src_need_remove = ['sd.c'] # need remove file list.
+    SrcRemove(src, src_need_remove)
+
+CPPPATH = [cwd]
+
+group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')
diff --git a/bsp/bm3803/drivers/uart.c b/bsp/bm3803/drivers/uart.c
new file mode 100644
index 0000000000..bdfe522958
--- /dev/null
+++ b/bsp/bm3803/drivers/uart.c
@@ -0,0 +1,174 @@
+/*
+ * File      : serial.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2020, Shenzhen Academy of Aerospace Technology
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-10-16     Dystopia     the first version
+ */
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#include <board.h>
+#include <interrupt.h>
+#include "uart.h"
+#include "uart_reg.h"
+
+struct bm3803_uart
+{
+    void *uart_base;
+    int irq;
+};
+
+static void bm3803_uart_isr(int tt, void* param)
+{
+    struct bm3803_uart* uart;
+    struct rt_serial_device *serial;
+    struct uart_reg* uart_base;
+
+    serial = (struct rt_serial_device*)param;
+    uart = (struct bm3803_uart *)serial->parent.user_data;
+    uart_base = uart->uart_base;
+    
+    if (uart_base->uartstatus & 0x1)
+    {
+        rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
+    }
+}
+
+#define NOT_IMPLEMENTED() RT_ASSERT(0)
+
+static rt_err_t bm3803_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
+{
+    struct bm3803_uart* uart;
+    struct uart_reg* uart_base;
+
+    RT_ASSERT(serial != RT_NULL);
+    uart = (struct bm3803_uart *)serial->parent.user_data;
+    RT_ASSERT(uart);
+    uart_base = uart->uart_base;
+
+    if (cfg->baud_rate == BAUD_RATE_115200)
+    {
+		uart_base->uartscaler = ((((CPU_FREQ * 10) / (8 * 115200)) - 5) / 10);
+    }
+    else if (cfg->baud_rate == BAUD_RATE_9600)
+    {
+		uart_base->uartscaler = ((((CPU_FREQ * 10) / (8 * 9600)) - 5) / 10);
+    }
+    else
+    {
+        NOT_IMPLEMENTED();
+    }
+    
+    uart_base->uartctrl |= 0x3;
+
+    return RT_EOK;
+}
+
+static rt_err_t bm3803_control(struct rt_serial_device *serial, int cmd, void *arg)
+{
+    struct bm3803_uart* uart;
+
+    RT_ASSERT(serial != RT_NULL);
+    uart = (struct bm3803_uart *)serial->parent.user_data;
+
+    switch (cmd)
+    {
+    case RT_DEVICE_CTRL_CLR_INT:
+        /* disable rx irq */
+        rt_hw_interrupt_mask(uart->irq);
+        break;
+    case RT_DEVICE_CTRL_SET_INT:
+        /* enable rx irq */
+        rt_hw_interrupt_umask(uart->irq);
+        break;
+    }
+
+    return RT_EOK;
+}
+
+static int bm3803_putc(struct rt_serial_device *serial, char c)
+{
+    struct bm3803_uart* uart;
+	struct uart_reg* uart_base;
+	
+    RT_ASSERT(serial != RT_NULL);
+    uart = (struct bm3803_uart *)serial->parent.user_data;
+    uart_base = uart->uart_base;
+    
+    while (!(uart_base->uartstatus & 0x4));
+    uart_base->uartdata = c;
+
+    return 1;
+}
+
+static int bm3803_getc(struct rt_serial_device *serial)
+{
+    int ch;
+    struct bm3803_uart* uart;
+    struct uart_reg* uart_base;
+
+    RT_ASSERT(serial != RT_NULL);
+    uart = (struct bm3803_uart *)serial->parent.user_data;
+	uart_base = uart->uart_base;
+	
+    ch = -1;
+    if (uart_base->uartstatus & 0x1)
+    {
+        ch = uart_base->uartdata;
+    }
+
+    return ch;
+}
+
+static const struct rt_uart_ops bm3803_uart_ops =
+{
+	bm3803_configure,
+    bm3803_control,
+    bm3803_putc,
+    bm3803_getc,
+};
+
+/* UART device driver structure */
+#ifdef RT_USING_UART1
+struct bm3803_uart uart1 =
+{
+    (void*)UART1_BASE,
+    UART1_TT,
+};
+struct rt_serial_device serial1;
+#endif
+
+int rt_hw_serial_init(void)
+{
+    struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+
+#ifdef RT_USING_UART1
+	volatile struct lregs *regs = (struct lregs*)PREGS;
+    serial1.ops = &bm3803_uart_ops;
+    serial1.config = config;
+    /* configure gpio direction */
+    regs->piodir |= (1 << 15);
+    regs->piodir &= ~(1 << 14);
+    /* enable RX interrupt */
+    regs->uartctrl1 = 0;
+    regs->uartctrl1 |= 0x4;
+    /* install ISR */
+    rt_hw_interrupt_install(uart1.irq, bm3803_uart_isr, &serial1, "uart1");
+    rt_hw_interrupt_mask(uart1.irq);
+    /* register UART1 device */
+    rt_hw_serial_register(&serial1, "uart1",
+            RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+            &uart1);
+#endif
+    return 0;
+}
+INIT_BOARD_EXPORT(rt_hw_serial_init);
diff --git a/bsp/bm3803/drivers/uart.h b/bsp/bm3803/drivers/uart.h
new file mode 100644
index 0000000000..46a7df5d89
--- /dev/null
+++ b/bsp/bm3803/drivers/uart.h
@@ -0,0 +1,20 @@
+/*
+ * File      : serial.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2020, Shenzhen Academy of Aerospace Technology
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-10-16     Dystopia     the first version
+ */
+
+#ifndef __SERIAL_H__
+#define __SERIAL_H__
+
+int rt_hw_serial_init(void);
+
+#endif
diff --git a/bsp/bm3803/drivers/uart_reg.h b/bsp/bm3803/drivers/uart_reg.h
new file mode 100644
index 0000000000..c0911149df
--- /dev/null
+++ b/bsp/bm3803/drivers/uart_reg.h
@@ -0,0 +1,12 @@
+#ifndef SERIAL_REG_H
+#define SERIAL_REG_H
+
+struct uart_reg
+{
+	unsigned int uartdata;
+	unsigned int uartstatus;
+	unsigned int uartctrl;
+	unsigned int uartscaler;
+};
+
+#endif /* end of include guard: SERIAL_REG_H */
diff --git a/bsp/bm3803/rtconfig.h b/bsp/bm3803/rtconfig.h
new file mode 100644
index 0000000000..001e275191
--- /dev/null
+++ b/bsp/bm3803/rtconfig.h
@@ -0,0 +1,156 @@
+#ifndef RT_CONFIG_H__
+#define RT_CONFIG_H__
+
+/* Automatically generated file; DO NOT EDIT. */
+/* RT-Thread Configuration */
+
+/* RT-Thread Kernel */
+
+#define RT_NAME_MAX 8
+#define RT_ALIGN_SIZE 4
+#define RT_THREAD_PRIORITY_32
+#define RT_THREAD_PRIORITY_MAX 32
+#define RT_TICK_PER_SECOND 100
+#define RT_USING_OVERFLOW_CHECK
+#define RT_USING_HOOK
+#define RT_USING_IDLE_HOOK
+#define RT_IDLE_HOOK_LIST_SIZE 4
+#define IDLE_THREAD_STACK_SIZE 4096
+#define RT_DEBUG
+
+/* Inter-Thread communication */
+
+#define RT_USING_SEMAPHORE
+#define RT_USING_MUTEX
+#define RT_USING_EVENT
+#define RT_USING_MAILBOX
+#define RT_USING_MESSAGEQUEUE
+
+/* Memory Management */
+
+#define RT_USING_MEMPOOL
+#define RT_USING_MEMHEAP
+#define RT_USING_SMALL_MEM
+#define RT_USING_HEAP
+
+/* Kernel Device Object */
+
+#define RT_USING_DEVICE
+#define RT_USING_DEVICE_OPS
+#define RT_USING_CONSOLE
+#define RT_CONSOLEBUF_SIZE 128
+#define RT_CONSOLE_DEVICE_NAME "uart1"
+#define RT_VER_NUM 0x40003
+
+/* RT-Thread Components */
+
+#define RT_USING_COMPONENTS_INIT
+#define RT_USING_USER_MAIN
+#define RT_MAIN_THREAD_STACK_SIZE 4096
+#define RT_MAIN_THREAD_PRIORITY 10
+
+/* C++ features */
+
+
+/* Command shell */
+
+#define RT_USING_FINSH
+#define FINSH_THREAD_NAME "tshell"
+#define FINSH_USING_HISTORY
+#define FINSH_HISTORY_LINES 5
+#define FINSH_USING_SYMTAB
+#define FINSH_USING_DESCRIPTION
+#define FINSH_THREAD_PRIORITY 20
+#define FINSH_THREAD_STACK_SIZE 4096
+#define FINSH_CMD_SIZE 80
+#define FINSH_USING_MSH
+#define FINSH_USING_MSH_DEFAULT
+#define FINSH_ARG_MAX 10
+
+/* Device virtual file system */
+
+#define RT_USING_DFS
+#define DFS_USING_WORKDIR
+#define DFS_FILESYSTEMS_MAX 2
+#define DFS_FILESYSTEM_TYPES_MAX 2
+#define DFS_FD_MAX 16
+#define RT_USING_DFS_DEVFS
+
+/* Device Drivers */
+
+#define RT_USING_DEVICE_IPC
+#define RT_PIPE_BUFSZ 512
+#define RT_USING_SERIAL
+#define RT_SERIAL_RB_BUFSZ 64
+
+/* Using USB */
+
+
+/* POSIX layer and C standard library */
+
+#define RT_USING_LIBC
+#define RT_USING_POSIX
+
+/* Network */
+
+/* Socket abstraction layer */
+
+
+/* Network interface device */
+
+
+/* light weight TCP/IP stack */
+
+
+/* AT commands */
+
+
+/* VBUS(Virtual Software BUS) */
+
+
+/* Utilities */
+
+
+/* RT-Thread online packages */
+
+/* IoT - internet of things */
+
+
+/* Wi-Fi */
+
+/* Marvell WiFi */
+
+
+/* Wiced WiFi */
+
+
+/* IoT Cloud */
+
+
+/* security packages */
+
+
+/* language packages */
+
+
+/* multimedia packages */
+
+
+/* tools packages */
+
+
+/* system packages */
+
+
+/* peripheral libraries and drivers */
+
+
+/* miscellaneous packages */
+
+
+/* samples: kernel and components samples */
+
+#define SOC_BM3803
+#define RT_USING_UART1
+
+#endif
diff --git a/bsp/bm3803/rtconfig.py b/bsp/bm3803/rtconfig.py
new file mode 100644
index 0000000000..1a382b4891
--- /dev/null
+++ b/bsp/bm3803/rtconfig.py
@@ -0,0 +1,43 @@
+import os
+
+# toolchains options
+ARCH='sparc-v8'
+CPU='bm3803'
+CROSS_TOOL='gcc'
+
+if  CROSS_TOOL == 'gcc':
+    PLATFORM 	= 'gcc'
+    EXEC_PATH 	= r'C:\Users\97981\Downloads\bcc-2.1.1-gcc\bin'
+
+BUILD = 'debug'
+
+if PLATFORM == 'gcc':
+    # toolchains
+    PREFIX = 'sparc-gaisler-elf-'
+    CC = PREFIX + 'gcc'
+    CXX = PREFIX + 'g++'
+    AS = PREFIX + 'gcc'
+    AR = PREFIX + 'ar'
+    LINK = PREFIX + 'gcc'
+    TARGET_EXT = 'elf'
+    SIZE = PREFIX + 'size'
+    OBJDUMP = PREFIX + 'objdump'
+    OBJCPY = PREFIX + 'objcopy'
+
+    DEVICE = ' -mcpu=v8 -nostartfiles'
+    #DEVICE = ' '
+    CFLAGS = DEVICE
+    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -D__ASSEMBLY__'
+    LFLAGS = DEVICE + ' -Wl,-Map=rtthread-bm3803.map -T bm3803.lds -Ttext=0x40000000'
+
+    CPATH = ''
+    LPATH = ''
+
+    if BUILD == 'debug':
+        CFLAGS += ' -O0 -gdwarf-2 -Wall'
+        AFLAGS += ' -gdwarf-2'
+    else:
+        CFLAGS += ' -O2 -Wall'
+
+    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' +\
+                  SIZE + ' $TARGET \n'