修改license header，修改driver目录下的SConscript。

15 files changed, 406 insertions, 271 deletions

diff --git a/bsp/bm3803/applications/board.c b/bsp/bm3803/applications/board.c
index 043fceda03..ee400cc0e1 100644
--- a/bsp/bm3803/applications/board.c
+++ b/bsp/bm3803/applications/board.c
@@ -1,16 +1,22 @@
 /*
- * 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
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #include <rthw.h>
 #include <rtthread.h>
@@ -21,27 +27,27 @@
 
 extern int __bss_end;
 
-static void rt_hw_timer_isr(int vector, void* param)
+static void rt_hw_timer_isr(int vector, void *param)
 {
-	rt_tick_increase();
-	/* timer interrupt cleared by hardware */
+    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;
-    
+    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);
+    rt_hw_interrupt_install(TIMER2_TT, rt_hw_timer_isr, RT_NULL, "tick");
+    rt_hw_interrupt_umask(TIMER2_TT);
 
-	/* start timer */
-	regs->timerctrl2 = 0x7;
+    /* start timer */
+    regs->timerctrl2 = 0x7;
 
     return 0;
 }
@@ -52,7 +58,7 @@ INIT_BOARD_EXPORT(rt_hw_timer_init);
  */
 void rt_hw_board_init(void)
 {
-	rt_system_heap_init((void*)&__bss_end, (void*)&__bss_end + 0x01000000);
+    rt_system_heap_init((void *)&__bss_end, (void *)&__bss_end + 0x01000000);
     rt_components_board_init();
-	rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
+    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
 }
diff --git a/bsp/bm3803/applications/board.h b/bsp/bm3803/applications/board.h
index becb93cf3b..88d477e492 100644
--- a/bsp/bm3803/applications/board.h
+++ b/bsp/bm3803/applications/board.h
@@ -1,16 +1,22 @@
 /*
- * 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
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #ifndef __BOARD_H__
 #define __BOARD_H__
diff --git a/bsp/bm3803/applications/main.c b/bsp/bm3803/applications/main.c
index d77e7a2a8b..e24fdf2b90 100644
--- a/bsp/bm3803/applications/main.c
+++ b/bsp/bm3803/applications/main.c
@@ -1,3 +1,23 @@
+/*
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
+
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/bsp/bm3803/drivers/SConscript b/bsp/bm3803/drivers/SConscript
index a630c8a7c4..5e45e1bad3 100644
--- a/bsp/bm3803/drivers/SConscript
+++ b/bsp/bm3803/drivers/SConscript
@@ -3,20 +3,9 @@ Import('RTT_ROOT')
 Import('rtconfig')
 from building import *
 
-cwd     = GetCurrentDir()
+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
index bdfe522958..4f07c26123 100644
--- a/bsp/bm3803/drivers/uart.c
+++ b/bsp/bm3803/drivers/uart.c
@@ -1,16 +1,22 @@
 /*
- * 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
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #include <rthw.h>
 #include <rtthread.h>
@@ -27,16 +33,16 @@ struct bm3803_uart
     int irq;
 };
 
-static void bm3803_uart_isr(int tt, void* param)
+static void bm3803_uart_isr(int tt, void *param)
 {
-    struct bm3803_uart* uart;
+    struct bm3803_uart *uart;
     struct rt_serial_device *serial;
-    struct uart_reg* uart_base;
+    struct uart_reg *uart_base;
 
-    serial = (struct rt_serial_device*)param;
+    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);
@@ -47,8 +53,8 @@ static void bm3803_uart_isr(int tt, void* param)
 
 static rt_err_t bm3803_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
 {
-    struct bm3803_uart* uart;
-    struct uart_reg* uart_base;
+    struct bm3803_uart *uart;
+    struct uart_reg *uart_base;
 
     RT_ASSERT(serial != RT_NULL);
     uart = (struct bm3803_uart *)serial->parent.user_data;
@@ -57,17 +63,17 @@ static rt_err_t bm3803_configure(struct rt_serial_device *serial, struct serial_
 
     if (cfg->baud_rate == BAUD_RATE_115200)
     {
-		uart_base->uartscaler = ((((CPU_FREQ * 10) / (8 * 115200)) - 5) / 10);
+        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);
+        uart_base->uartscaler = ((((CPU_FREQ * 10) / (8 * 9600)) - 5) / 10);
     }
     else
     {
         NOT_IMPLEMENTED();
     }
-    
+
     uart_base->uartctrl |= 0x3;
 
     return RT_EOK;
@@ -75,7 +81,7 @@ static rt_err_t bm3803_configure(struct rt_serial_device *serial, struct serial_
 
 static rt_err_t bm3803_control(struct rt_serial_device *serial, int cmd, void *arg)
 {
-    struct bm3803_uart* uart;
+    struct bm3803_uart *uart;
 
     RT_ASSERT(serial != RT_NULL);
     uart = (struct bm3803_uart *)serial->parent.user_data;
@@ -97,13 +103,13 @@ static rt_err_t bm3803_control(struct rt_serial_device *serial, int cmd, void *a
 
 static int bm3803_putc(struct rt_serial_device *serial, char c)
 {
-    struct bm3803_uart* uart;
-	struct uart_reg* uart_base;
-	
+    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;
 
@@ -113,13 +119,13 @@ static int bm3803_putc(struct rt_serial_device *serial, char c)
 static int bm3803_getc(struct rt_serial_device *serial)
 {
     int ch;
-    struct bm3803_uart* uart;
-    struct uart_reg* uart_base;
+    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;
-	
+    uart_base = uart->uart_base;
+
     ch = -1;
     if (uart_base->uartstatus & 0x1)
     {
@@ -131,7 +137,7 @@ static int bm3803_getc(struct rt_serial_device *serial)
 
 static const struct rt_uart_ops bm3803_uart_ops =
 {
-	bm3803_configure,
+    bm3803_configure,
     bm3803_control,
     bm3803_putc,
     bm3803_getc,
@@ -141,7 +147,7 @@ static const struct rt_uart_ops bm3803_uart_ops =
 #ifdef RT_USING_UART1
 struct bm3803_uart uart1 =
 {
-    (void*)UART1_BASE,
+    (void *)UART1_BASE,
     UART1_TT,
 };
 struct rt_serial_device serial1;
@@ -152,7 +158,7 @@ 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;
+    volatile struct lregs *regs = (struct lregs *)PREGS;
     serial1.ops = &bm3803_uart_ops;
     serial1.config = config;
     /* configure gpio direction */
@@ -166,8 +172,8 @@ int rt_hw_serial_init(void)
     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);
+                          RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+                          &uart1);
 #endif
     return 0;
 }
diff --git a/bsp/bm3803/drivers/uart.h b/bsp/bm3803/drivers/uart.h
index 46a7df5d89..a16ea99913 100644
--- a/bsp/bm3803/drivers/uart.h
+++ b/bsp/bm3803/drivers/uart.h
@@ -1,16 +1,22 @@
 /*
- * 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
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #ifndef __SERIAL_H__
 #define __SERIAL_H__
diff --git a/bsp/bm3803/drivers/uart_reg.h b/bsp/bm3803/drivers/uart_reg.h
index c0911149df..3edd98a6f7 100644
--- a/bsp/bm3803/drivers/uart_reg.h
+++ b/bsp/bm3803/drivers/uart_reg.h
@@ -1,12 +1,32 @@
+/*
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
+
 #ifndef SERIAL_REG_H
 #define SERIAL_REG_H
 
 struct uart_reg
 {
-	unsigned int uartdata;
-	unsigned int uartstatus;
-	unsigned int uartctrl;
-	unsigned int uartscaler;
+    unsigned int uartdata;
+    unsigned int uartstatus;
+    unsigned int uartctrl;
+    unsigned int uartscaler;
 };
 
 #endif /* end of include guard: SERIAL_REG_H */
diff --git a/libcpu/sparc-v8/bm3803/bm3803.h b/libcpu/sparc-v8/bm3803/bm3803.h
index a90663f199..4a4c750975 100644
--- a/libcpu/sparc-v8/bm3803/bm3803.h
+++ b/libcpu/sparc-v8/bm3803/bm3803.h
@@ -1,95 +1,106 @@
 /*
- * Copyright (c) 2020, Shenzhen Academy of Aerospace Technology
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2020-10-16     Dystopia     the first version
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
+
 #ifndef __BM3803_H__
 #define __BM3803_H__
 
 struct lregs
 {
-	/* address = 0x80000000 */
-	unsigned int memcfg1;		    /* 0x00 */
-	unsigned int memcfg2;
-	unsigned int memcfg3;
-	unsigned int failaddr;
+    /* address = 0x80000000 */
+    unsigned int memcfg1;           /* 0x00 */
+    unsigned int memcfg2;
+    unsigned int memcfg3;
+    unsigned int failaddr;
 
-	unsigned int memstatus;		/* 0x10 */
-	unsigned int cachectrl;
-	unsigned int powerdown;
-	unsigned int writeprot1;
+    unsigned int memstatus;     /* 0x10 */
+    unsigned int cachectrl;
+    unsigned int powerdown;
+    unsigned int writeprot1;
 
-	unsigned int writeprot2;	    /* 0x20 */
-	unsigned int pcr;
-	unsigned int dummy2;
-	unsigned int dummy3;
+    unsigned int writeprot2;        /* 0x20 */
+    unsigned int pcr;
+    unsigned int dummy2;
+    unsigned int dummy3;
 
-	unsigned int dummy4;	        /* 0x30 */
-	unsigned int dummy5;
-	unsigned int dummy6;
-	unsigned int dummy7;
+    unsigned int dummy4;            /* 0x30 */
+    unsigned int dummy5;
+    unsigned int dummy6;
+    unsigned int dummy7;
 
-	unsigned int timercnt1;		/* 0x40 */
-	unsigned int timerload1;
-	unsigned int timerctrl1;
-	unsigned int wdog;
+    unsigned int timercnt1;     /* 0x40 */
+    unsigned int timerload1;
+    unsigned int timerctrl1;
+    unsigned int wdog;
 
-	unsigned int timercnt2;        /* 0x50 */
-	unsigned int timerload2;
-	unsigned int timerctrl2;
-	unsigned int dummy8;
+    unsigned int timercnt2;        /* 0x50 */
+    unsigned int timerload2;
+    unsigned int timerctrl2;
+    unsigned int dummy8;
 
-	unsigned int scalercnt;        /* 0x60 */
-	unsigned int scalerload;
-	unsigned int dummy9;
-	unsigned int dummy10;
+    unsigned int scalercnt;        /* 0x60 */
+    unsigned int scalerload;
+    unsigned int dummy9;
+    unsigned int dummy10;
 
-	unsigned int uartdata1;        /* 0x70 */
-	unsigned int uartstatus1;
-	unsigned int uartctrl1;
-	unsigned int uartscaler1;
+    unsigned int uartdata1;        /* 0x70 */
+    unsigned int uartstatus1;
+    unsigned int uartctrl1;
+    unsigned int uartscaler1;
 
-	unsigned int uartdata2;        /* 0x80 */
-	unsigned int uartstatus2;
-	unsigned int uartctrl2;
-	unsigned int uartscaler2;
+    unsigned int uartdata2;        /* 0x80 */
+    unsigned int uartstatus2;
+    unsigned int uartctrl2;
+    unsigned int uartscaler2;
 
-	unsigned int irqmask;           /* 0x90 */
-	unsigned int irqpend;
-	unsigned int irqforce;
-	unsigned int irqclear;
+    unsigned int irqmask;           /* 0x90 */
+    unsigned int irqpend;
+    unsigned int irqforce;
+    unsigned int irqclear;
 
-	unsigned int piodata;            /* 0xA0 */
-	unsigned int piodir;
-	unsigned int pioirq;
-	unsigned int dummy11;
+    unsigned int piodata;            /* 0xA0 */
+    unsigned int piodir;
+    unsigned int pioirq;
+    unsigned int dummy11;
 
-	unsigned int imask2;            /* 0xB0 */
-	unsigned int ipend2;
-	unsigned int istat2;
-	unsigned int dummy12;
+    unsigned int imask2;            /* 0xB0 */
+    unsigned int ipend2;
+    unsigned int istat2;
+    unsigned int dummy12;
 
-	unsigned int dummy13;          /* 0xC0 */
-	unsigned int dcomstatus;
-	unsigned int dcomctrl;
-	unsigned int dcomscaler;
+    unsigned int dummy13;          /* 0xC0 */
+    unsigned int dcomstatus;
+    unsigned int dcomctrl;
+    unsigned int dcomscaler;
 
-	unsigned int dummy14;	        /* 0xD0 */
-	unsigned int dummy15;
-	unsigned int dummy16;
-	unsigned int dummy17;
+    unsigned int dummy14;           /* 0xD0 */
+    unsigned int dummy15;
+    unsigned int dummy16;
+    unsigned int dummy17;
 
-	unsigned int uartdata3;         /* 0xE0 */
-	unsigned int uartstatus3;
-	unsigned int uartctrl3;
-	unsigned int uartscaler3;
+    unsigned int uartdata3;         /* 0xE0 */
+    unsigned int uartstatus3;
+    unsigned int uartctrl3;
+    unsigned int uartscaler3;
 };
 
-#define	PREGS 0x80000000
+#define PREGS 0x80000000
 
 #define UART1_BASE (PREGS + 0x70)
 
diff --git a/libcpu/sparc-v8/bm3803/context_gcc.S b/libcpu/sparc-v8/bm3803/context_gcc.S
index c0344a81d5..478793588e 100644
--- a/libcpu/sparc-v8/bm3803/context_gcc.S
+++ b/libcpu/sparc-v8/bm3803/context_gcc.S
@@ -1,12 +1,22 @@
 /*
- * Copyright (c) 2020, Shenzhen Academy of Aerospace Technology
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2020-10-16     Dystopia     the first version
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #define SPARC_PSR_PIL_MASK 0x00000F00
 #define SPARC_PSR_ET_MASK 0x00000020
diff --git a/libcpu/sparc-v8/bm3803/interrupt.c b/libcpu/sparc-v8/bm3803/interrupt.c
index e3f9b5b3de..8ce03dd4c0 100644
--- a/libcpu/sparc-v8/bm3803/interrupt.c
+++ b/libcpu/sparc-v8/bm3803/interrupt.c
@@ -1,12 +1,22 @@
 /*
- * Copyright (c) 2020, Shenzhen Academy of Aerospace Technology
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2020-10-16     Dystopia     the first version
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #include <rthw.h>
 #include <rtthread.h>
@@ -43,10 +53,10 @@ void rt_hw_interrupt_init(void)
  */
 void rt_hw_interrupt_mask(int vector)
 {
-	if (vector > 0x1F || vector < 0x11)
-		return;
-	volatile struct lregs *regs = (struct lregs*)PREGS;
-	regs->irqmask &= ~(1 << (vector - 0x10));
+    if (vector > 0x1F || vector < 0x11)
+        return;
+    volatile struct lregs *regs = (struct lregs *)PREGS;
+    regs->irqmask &= ~(1 << (vector - 0x10));
 }
 
 /**
@@ -55,10 +65,10 @@ void rt_hw_interrupt_mask(int vector)
  */
 void rt_hw_interrupt_umask(int vector)
 {
-	if (vector > 0x1F || vector < 0x11)
-		return;
-	volatile struct lregs *regs = (struct lregs*)PREGS;
-	regs->irqmask |= 1 << (vector - 0x10);
+    if (vector > 0x1F || vector < 0x11)
+        return;
+    volatile struct lregs *regs = (struct lregs *)PREGS;
+    regs->irqmask |= 1 << (vector - 0x10);
 }
 
 /**
@@ -72,7 +82,7 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
 {
     rt_isr_handler_t old_handler = RT_NULL;
 
-    if(vector < MAX_HANDLERS || vector >= 0)
+    if (vector < MAX_HANDLERS || vector >= 0)
     {
         old_handler = isr_table[vector].handler;
 
diff --git a/libcpu/sparc-v8/bm3803/interrupt.h b/libcpu/sparc-v8/bm3803/interrupt.h
index 7632195e70..5c97d5caa5 100644
--- a/libcpu/sparc-v8/bm3803/interrupt.h
+++ b/libcpu/sparc-v8/bm3803/interrupt.h
@@ -1,12 +1,22 @@
 /*
- * Copyright (c) 2020, Shenzhen Academy of Aerospace Technology
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2020-10-16     Dystopia     the first version
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #ifndef __INTERRUPT_H__
 #define __INTERRUPT_H__
diff --git a/libcpu/sparc-v8/bm3803/stack.c b/libcpu/sparc-v8/bm3803/stack.c
index 3563692cdd..70c1b60d8c 100644
--- a/libcpu/sparc-v8/bm3803/stack.c
+++ b/libcpu/sparc-v8/bm3803/stack.c
@@ -1,12 +1,23 @@
 /*
- * Copyright (c) 2020, Shenzhen Academy of Aerospace Technology
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2020-10-16     Dystopia     the first version
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
+
 #include <rtthread.h>
 
 /**
@@ -29,34 +40,34 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
     stack_addr += sizeof(rt_uint32_t);
     stack_addr  = (rt_uint8_t *)RT_ALIGN_DOWN((rt_uint32_t)stack_addr, 8);
     stk      = (rt_uint32_t *)stack_addr;
-    
-	stk -= 24;
-	stk -= 8;
-	
-	for (register_index = 0; register_index != 8; register_index++)
-		stk[register_index] = 0xdeadbeef;
-	
-	for (window_index = 0; window_index != 8; window_index++)
-	{
-		stk -= 16;
-		for (register_index = 0; register_index != 16; register_index++)
-		    stk[register_index] = 0xdeadbeef;
-		if (window_index == 0)
-		{
-		    stk[8] = (rt_uint32_t)parameter;
-		    stk[15] = (rt_uint32_t)texit - 8;
-		}
-	}
-	
-	stk -= 34;
-	for (register_index = 0; register_index != 34; register_index++)
-		stk[register_index] = 0;
-	
-	stk -= 4;
-	stk[0] = (rt_uint32_t)tentry; //pc
-	stk[1] = (rt_uint32_t)tentry + 4; //npc
-	stk[2] = 0x10C7; //psr
-	stk[3] = 0x2; //wim
+
+    stk -= 24;
+    stk -= 8;
+
+    for (register_index = 0; register_index != 8; register_index++)
+        stk[register_index] = 0xdeadbeef;
+
+    for (window_index = 0; window_index != 8; window_index++)
+    {
+        stk -= 16;
+        for (register_index = 0; register_index != 16; register_index++)
+            stk[register_index] = 0xdeadbeef;
+        if (window_index == 0)
+        {
+            stk[8] = (rt_uint32_t)parameter;
+            stk[15] = (rt_uint32_t)texit - 8;
+        }
+    }
+
+    stk -= 34;
+    for (register_index = 0; register_index != 34; register_index++)
+        stk[register_index] = 0;
+
+    stk -= 4;
+    stk[0] = (rt_uint32_t)tentry; //pc
+    stk[1] = (rt_uint32_t)tentry + 4; //npc
+    stk[2] = 0x10C7; //psr
+    stk[3] = 0x2; //wim
 
     /* return task's current stack address */
     return (rt_uint8_t *)stk;
diff --git a/libcpu/sparc-v8/bm3803/start_gcc.S b/libcpu/sparc-v8/bm3803/start_gcc.S
index 0f87aa17db..fd613375c9 100644
--- a/libcpu/sparc-v8/bm3803/start_gcc.S
+++ b/libcpu/sparc-v8/bm3803/start_gcc.S
@@ -1,12 +1,22 @@
 /*
- * Copyright (c) 2020, Shenzhen Academy of Aerospace Technology
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2020-10-16     Dystopia     the first version
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #define PSR_INIT 0x10C0
 #define PREGS 0x80000000
diff --git a/libcpu/sparc-v8/bm3803/trap.c b/libcpu/sparc-v8/bm3803/trap.c
index 05a0416dfa..545073ed18 100644
--- a/libcpu/sparc-v8/bm3803/trap.c
+++ b/libcpu/sparc-v8/bm3803/trap.c
@@ -1,12 +1,22 @@
 /*
- * Copyright (c) 2020, Shenzhen Academy of Aerospace Technology
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2020-10-16     Dystopia     the first version
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #include <rtthread.h>
 #include <rthw.h>
@@ -15,14 +25,14 @@ extern struct rt_irq_desc isr_table[];
 
 void rt_hw_trap(int tt, unsigned int *sp)
 {
-	void *param;
-	rt_isr_handler_t isr_func;
-	
-	/* get interrupt service routine */
-	isr_func = isr_table[tt].handler;
-	param = isr_table[tt].param;
-	
-	/* turn to interrupt service routine */
+    void *param;
+    rt_isr_handler_t isr_func;
+
+    /* get interrupt service routine */
+    isr_func = isr_table[tt].handler;
+    param = isr_table[tt].param;
+
+    /* turn to interrupt service routine */
     if (isr_func != RT_NULL)
         isr_func(tt, param);
 }
diff --git a/libcpu/sparc-v8/bm3803/vector_gcc.S b/libcpu/sparc-v8/bm3803/vector_gcc.S
index 0d243bee33..114fe45536 100644
--- a/libcpu/sparc-v8/bm3803/vector_gcc.S
+++ b/libcpu/sparc-v8/bm3803/vector_gcc.S
@@ -1,12 +1,22 @@
 /*
- * Copyright (c) 2020, Shenzhen Academy of Aerospace Technology
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2020-10-16     Dystopia     the first version
- */
+Copyright 2020 Shenzhen Academy of Aerospace Technology
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Change Logs:
+Date           Author       Notes
+2020-10-16     Dystopia     the first version
+*/
 
 #define TRAPL(H) mov %g0, %l0; sethi %hi(H), %l4; jmp %l4 + %lo(H); nop;
 #define TRAP(H) mov %psr, %l0; sethi %hi(H), %l4; jmp %l4 + %lo(H); nop;