Update License comments (#134)

OpenXiangShan · Sep 6, 2023 · e579105 · e579105
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diff --git a/LICENSE b/LICENSE
@@ -53,8 +53,8 @@
 
       3， 请将如下声明文本放入每个源文件的头部注释中。
 
-   Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
-   XiangShan is licensed under Mulan PSL v2.
+   Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
+   DiffTest is licensed under Mulan PSL v2.
    You can use this software according to the terms and conditions of the Mulan PSL v2.
    You may obtain a copy of Mulan PSL v2 at:
             http://license.coscl.org.cn/MulanPSL2
@@ -118,8 +118,8 @@
       iii Attach the statement to the appropriate annotated syntax at the beginning of each source file.
 
 
-   Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
-   XiangShan is licensed under Mulan PSL v2.
+   Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
+   DiffTest is licensed under Mulan PSL v2.
    You can use this software according to the terms and conditions of the Mulan PSL v2.
    You may obtain a copy of Mulan PSL v2 at:
                http://license.coscl.org.cn/MulanPSL2

diff --git a/Makefile b/Makefile
@@ -1,8 +1,8 @@
 #***************************************************************************************
-# Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+# Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 # Copyright (c) 2020-2021 Peng Cheng Laboratory
 #
-# XiangShan is licensed under Mulan PSL v2.
+# DiffTest is licensed under Mulan PSL v2.
 # You can use this software according to the terms and conditions of the Mulan PSL v2.
 # You may obtain a copy of Mulan PSL v2 at:
 #          http://license.coscl.org.cn/MulanPSL2

diff --git a/config/config.h b/config/config.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/config/verilator.mk b/config/verilator.mk
@@ -1,8 +1,8 @@
 #***************************************************************************************
-# Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+# Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 # Copyright (c) 2020-2021 Peng Cheng Laboratory
 #
-# XiangShan is licensed under Mulan PSL v2.
+# DiffTest is licensed under Mulan PSL v2.
 # You can use this software according to the terms and conditions of the Mulan PSL v2.
 # You may obtain a copy of Mulan PSL v2 at:
 #          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/main/scala/Difftest.scala b/src/main/scala/Difftest.scala
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/main/scala/DifftestMain.scala b/src/main/scala/DifftestMain.scala
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/common.cpp b/src/test/csrc/common/common.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
@@ -40,7 +40,7 @@ extern "C" void xs_assert(long long line) {
 }
 
 void sig_handler(int signo) {
-  if (signal_num != 0) 
+  if (signal_num != 0)
     exit(0);
   signal_num = signo;
 }
diff --git a/src/test/csrc/common/common.h b/src/test/csrc/common/common.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/compress.cpp b/src/test/csrc/common/compress.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
@@ -84,7 +84,7 @@ long readFromGz(void* ptr, const char *file_name, long buf_size, uint8_t load_ty
     printf("buf_size must be divisible by chunk_size\n");
     assert(0);
   }
-  
+
   long *temp_page = new long[chunk_size];
   long *pmem_current = (long*)ptr;
 

diff --git a/src/test/csrc/common/compress.h b/src/test/csrc/common/compress.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/device.cpp b/src/test/csrc/common/device.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/device.h b/src/test/csrc/common/device.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/flash.cpp b/src/test/csrc/common/flash.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/flash.h b/src/test/csrc/common/flash.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/keyboard.cpp b/src/test/csrc/common/keyboard.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
@@ -38,22 +38,22 @@ enum {
 #define SDL_KEYMAP(k) [concat(SDL_SCANCODE_, k)] = concat(_KEY_, k),
 static const uint32_t keymap[256] = {
 //  MAP(_KEYS, SDL_KEYMAP)
-  0, 0, 0, 0, 43, 60, 58, 45, 31, 46, 47, 48, 36, 49, 50, 51, 
-  62, 61, 37, 38, 29, 32, 44, 33, 35, 59, 30, 57, 34, 56, 15, 16, 
-  17, 18, 19, 20, 21, 22, 23, 24, 54, 1, 27, 28, 70, 25, 26, 39, 
-  40, 41, 0, 52, 53, 14, 63, 64, 65, 42, 2, 3, 4, 5, 6, 7, 
-  8, 9, 10, 11, 12, 13, 0, 0, 0, 77, 79, 81, 78, 80, 82, 76, 
-  75, 74, 73, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  0, 0, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  67, 55, 69, 0, 72, 66, 71, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+  0, 0, 0, 0, 43, 60, 58, 45, 31, 46, 47, 48, 36, 49, 50, 51,
+  62, 61, 37, 38, 29, 32, 44, 33, 35, 59, 30, 57, 34, 56, 15, 16,
+  17, 18, 19, 20, 21, 22, 23, 24, 54, 1, 27, 28, 70, 25, 26, 39,
+  40, 41, 0, 52, 53, 14, 63, 64, 65, 42, 2, 3, 4, 5, 6, 7,
+  8, 9, 10, 11, 12, 13, 0, 0, 0, 77, 79, 81, 78, 80, 82, 76,
+  75, 74, 73, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  67, 55, 69, 0, 72, 66, 71, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 };
 
 #define KEY_QUEUE_LEN 1024

diff --git a/src/test/csrc/common/lightsss.h b/src/test/csrc/common/lightsss.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/macro.h b/src/test/csrc/common/macro.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/ram.cpp b/src/test/csrc/common/ram.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/ram.h b/src/test/csrc/common/ram.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/sdcard.cpp b/src/test/csrc/common/sdcard.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/sdcard.h b/src/test/csrc/common/sdcard.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/uart.cpp b/src/test/csrc/common/uart.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/common/vga.cpp b/src/test/csrc/common/vga.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/difftest/difftest.cpp b/src/test/csrc/difftest/difftest.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/difftest/difftest.h b/src/test/csrc/difftest/difftest.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/difftest/goldenmem.cpp b/src/test/csrc/difftest/goldenmem.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/difftest/goldenmem.h b/src/test/csrc/difftest/goldenmem.h
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2

diff --git a/src/test/csrc/difftest/interface.cpp b/src/test/csrc/difftest/interface.cpp
@@ -1,8 +1,8 @@
 /***************************************************************************************
-* Copyright (c) 2020-2021 Institute of Computing Technology, Chinese Academy of Sciences
+* Copyright (c) 2020-2023 Institute of Computing Technology, Chinese Academy of Sciences
 * Copyright (c) 2020-2021 Peng Cheng Laboratory
 *
-* XiangShan is licensed under Mulan PSL v2.
+* DiffTest is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2