From aab29a31866124179745bc849416db478eec5c55 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Thu, 13 Jun 2024 12:08:35 +0000
Subject: [PATCH 01/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-01/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/exercise-01/Makefile b/src/exercise-01/Makefile
index 43eebed..9c45b94 100644
--- a/src/exercise-01/Makefile
+++ b/src/exercise-01/Makefile
@@ -16,10 +16,10 @@ $(OUTPUT_DIR):
 
 $(TARGET): $(OBJS)
 	# 在这里指定 TARGET 的构建命令
-
+    $(CC) $(LDFLAGS) -o $@ $^
 
 %.o: %.c
 	# 在这里指定 C 文件的编译命令
-
+    $(CC) $(CFLAGS) -c $< -o $@
 clean:
 	rm -f $(TARGET) $(OBJS)
-- 
Gitee


From 4889c7d76ef99fb0f8540ed1e398396b2f1ec91e Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Thu, 13 Jun 2024 12:12:55 +0000
Subject: [PATCH 02/22] update src/exercise-01/Makefile.

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-01/Makefile | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/exercise-01/Makefile b/src/exercise-01/Makefile
index 9c45b94..f739261 100644
--- a/src/exercise-01/Makefile
+++ b/src/exercise-01/Makefile
@@ -15,7 +15,6 @@ $(OUTPUT_DIR):
 	mkdir -p $(OUTPUT_DIR)
 
 $(TARGET): $(OBJS)
-	# 在这里指定 TARGET 的构建命令
     $(CC) $(LDFLAGS) -o $@ $^
 
 %.o: %.c
-- 
Gitee


From 36c0215134e8da27026aa0152b0a2608b7d2c077 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Thu, 13 Jun 2024 12:32:37 +0000
Subject: [PATCH 03/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-02/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/exercise-02/Makefile b/src/exercise-02/Makefile
index aabd450..cb2c62c 100644
--- a/src/exercise-02/Makefile
+++ b/src/exercise-02/Makefile
@@ -20,13 +20,13 @@ $(OUTPUT_DIR):
 
 $(TARGET): $(OBJS)
 	# 在这里指定 TARGET 的构建命令
-
+    $(CC) $(LDFLAGS) -o $@ $^
 $(TEST_TARGET): $(TEST_OBJS)
 	# 在这里指定 TEST_TARGET 的构建命令
-
+    $(CC) $(LDFLAGS) -o $@ $^
 %.o: %.c
 	# 在这里指定所有 C 文件的编译命令
-
+    $(CC) $(CFLAGS) -c $< -o $@
 test: $(TEST_TARGET)
 	$(TEST_TARGET)
 
-- 
Gitee


From 0b21a67f06211529387bf494bd73f4cc04a9d4c0 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 11:51:25 +0000
Subject: [PATCH 04/22] junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-03/Makefile | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/exercise-03/Makefile b/src/exercise-03/Makefile
index 5ae6884..1eefc32 100644
--- a/src/exercise-03/Makefile
+++ b/src/exercise-03/Makefile
@@ -16,17 +16,23 @@ TEST_TARGET = $(OUTPUT_DIR)/exercise-03_test
 
 all: $(TARGET)
 
-$(TARGET): $(OBJS)
-	# 在这里指定 TARGET 的构建命令
+$(OUTPUT_DIR):
+	mkdir -p $(OUTPUT_DIR)
 
-$(TEST_TARGET): $(TEST_OBJS)
-	# 在这里指定 TEST_TARGET 的构建命令
+functions.a: functions.o
+	ar rcs $@ $^
+
+$(TARGET): $(OBJS) functions.a
+	$(CC) $(LDFLAGS) -o $@ $^
+
+$(TEST_TARGET): $(TEST_OBJS) functions.a
+	$(CC) $(LDFLAGS) -o $@ $^
 
 %.o: %.c
-	# 在这里指定所有 C 文件的编译命令
+	$(CC) $(CFLAGS) -c $< -o $@
 
 test: $(TEST_TARGET)
 	./$(TEST_TARGET)
 
 clean:
-	rm -f $(TARGET) $(TEST_TARGET) $(OBJS) $(TEST_OBJS)
+	rm -f $(TARGET) $(TEST_TARGET) $(OBJS) $(TEST_OBJS) functions.a
\ No newline at end of file
-- 
Gitee


From 2772316b2e4846dd5e25b4936143031d61de1d11 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 11:55:31 +0000
Subject: [PATCH 05/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-04/Makefile | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/src/exercise-04/Makefile b/src/exercise-04/Makefile
index 048c53a..4a5304c 100644
--- a/src/exercise-04/Makefile
+++ b/src/exercise-04/Makefile
@@ -1,45 +1,45 @@
 CC ?= gcc
 
-CFLAGS	= -std=c11 -Wall -Wextra -Wpedantic -Werror -g
+CFLAGS  = -std=c11 -Wall -Wextra -Wpedantic -Werror -g
 LDFLAGS = -Wl,--as-needed -Wl,--no-undefined
 
 OUTPUT_DIR ?= .
 
-SRCS		= main.c
-OBJS		= $(SRCS:.c=.o)
-TARGET		= $(OUTPUT_DIR)/exercise-04
+SRCS        = main.c
+OBJS        = $(SRCS:.c=.o)
+TARGET      = $(OUTPUT_DIR)/exercise-04
 
-LIB_NAME	= libfunctions.a
-LIB_TARGET	= $(OUTPUT_DIR)/$(LIB_NAME)
-LIB_SRC		= functions.c
-LIB_OBJ		= $(LIB_SRC:.c=.o)
+LIB_NAME    = libfunctions.a
+LIB_TARGET  = $(OUTPUT_DIR)/$(LIB_NAME)
+LIB_SRC     = functions.c
+LIB_OBJ     = $(LIB_SRC:.c=.o)
 
-TEST_SRCS	= test.c functions.c
-TEST_OBJS	= $(TEST_SRCS:.c=.o)
+TEST_SRCS   = test.c functions.c
+TEST_OBJS   = $(TEST_SRCS:.c=.o)
 TEST_TARGET = $(OUTPUT_DIR)/exercise-04_test
 
-all: $(TARGET) test
+all: $(OUTPUT_DIR) $(TARGET) test
 
 $(OUTPUT_DIR):
 	mkdir -p $(OUTPUT_DIR)
 
 $(LIB_OBJ): $(LIB_SRC)
-	# 在这里指定如何编译 functions.o
+	$(CC) $(CFLAGS) -c -o $@ $<
 
 $(LIB_TARGET): $(LIB_OBJ)
-	# 在这里指定如何生成静态链接库
+	ar rcs $@ $^
 
 $(TARGET): $(OBJS) $(LIB_TARGET)
-	# 在这里指定如何链接 libfunctions.a 来生成 TARGET
+	$(CC) $(LDFLAGS) -o $@ $^ -L$(OUTPUT_DIR) -lfunctions
 
 $(TEST_TARGET): $(TEST_OBJS) $(LIB_TARGET)
-	# 在这里指定如何链接 libfunctions.a 来生成 TEST_TARGET
+	$(CC) $(LDFLAGS) -o $@ $^ -L$(OUTPUT_DIR) -lfunctions
 
 %.o: %.c
-	# 在这里指定所有 C 文件的编译命令
+	$(CC) $(CFLAGS) -c -o $@ $<
 
 test: $(TEST_TARGET)
-	$(TEST_TARGET)
+	./$(TEST_TARGET)
 
 clean:
 	rm -f $(LIB_TARGET) $(TARGET) $(TEST_TARGET) $(OBJS) $(LIB_OBJ) $(TEST_OBJS)
-- 
Gitee


From 67bdc55cc040aa3127ae95c4dc94becd741e613f Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 11:58:00 +0000
Subject: [PATCH 06/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-05/Makefile | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/src/exercise-05/Makefile b/src/exercise-05/Makefile
index 6c9c66d..c4ae208 100644
--- a/src/exercise-05/Makefile
+++ b/src/exercise-05/Makefile
@@ -1,46 +1,46 @@
 CC ?= gcc
 
-CFLAGS	= -std=c11 -Wall -Wextra -Wpedantic -Werror -g
+CFLAGS  = -std=c11 -Wall -Wextra -Wpedantic -Werror -g
 LDFLAGS = -Wl,--as-needed -Wl,--no-undefined
+RPATH   = -Wl,-rpath,'$$ORIGIN'
 
 OUTPUT_DIR ?= .
 
-SRCS		= main.c
-OBJS		= $(SRCS:.c=.o)
-TARGET		= $(OUTPUT_DIR)/exercise-05
+SRCS        = main.c
+OBJS        = $(SRCS:.c=.o)
+TARGET      = $(OUTPUT_DIR)/exercise-05
 
-LIB_NAME	= libfunctions.so
-LIB_TARGET	= $(OUTPUT_DIR)/$(LIB_NAME)
-LIB_SRC		= functions.c
-LIB_OBJ		= $(LIB_SRC:.c=.o)
-RPATH		=  -Wl,-rpath,'$$ORIGIN'
+LIB_NAME    = libfunctions.so
+LIB_TARGET  = $(OUTPUT_DIR)/$(LIB_NAME)
+LIB_SRC     = functions.c
+LIB_OBJ     = $(LIB_SRC:.c=.o)
 
-TEST_SRCS	= test.c functions.c
-TEST_OBJS	= $(TEST_SRCS:.c=.o)
+TEST_SRCS   = test.c functions.c
+TEST_OBJS   = $(TEST_SRCS:.c=.o)
 TEST_TARGET = $(OUTPUT_DIR)/exercise-05_test
 
-all: $(TARGET) test
+all: $(OUTPUT_DIR) $(TARGET) test
 
 $(OUTPUT_DIR):
 	mkdir -p $(OUTPUT_DIR)
 
 $(LIB_OBJ): $(LIB_SRC)
-	# 在这里指定如何编译 libfunctions.o
+	$(CC) $(CFLAGS) -fPIC -c -o $@ $<
 
 $(LIB_TARGET): $(LIB_OBJ)
-	# 在这里指定如何生成 libfunctions.so
+	$(CC) -shared -o $@ $^
 
 $(TARGET): $(OBJS) $(LIB_TARGET)
-	# 在这里指定如何链接 libfunctions.so 来生成 TARGET
+	$(CC) $(LDFLAGS) $(RPATH) -o $@ $^ -L$(OUTPUT_DIR) -lfunctions
 
 $(TEST_TARGET): $(TEST_OBJS) $(LIB_TARGET)
-	# 在这里指定如何链接 libfunctions.so 来生成 TEST_TARGET
+	$(CC) $(LDFLAGS) $(RPATH) -o $@ $^ -L$(OUTPUT_DIR) -lfunctions
 
 %.o: %.c
-	# 在这里指定如何编译所有 C 文件
+	$(CC) $(CFLAGS) -c -o $@ $<
 
 test: $(TEST_TARGET)
-	$(TEST_TARGET)
+	./$(TEST_TARGET)
 
 clean:
 	rm -f $(LIB_TARGET) $(TARGET) $(TEST_TARGET) $(OBJS) $(LIB_OBJ) $(TEST_OBJS)
-- 
Gitee


From 9a706f948bd15da9c31a7ab3db97c868ce72e2ed Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 12:01:25 +0000
Subject: [PATCH 07/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-11/memory_region.ld | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/exercise-11/memory_region.ld b/src/exercise-11/memory_region.ld
index 74e3d4b..f019536 100644
--- a/src/exercise-11/memory_region.ld
+++ b/src/exercise-11/memory_region.ld
@@ -1,6 +1,6 @@
 MEMORY {
     /* >>> 在这里定义内存区域，设置内存区域起始地址为 `0x8000000`，长度为 `0x2000`。 */
-
+    RAM (rwx) : ORIGIN = 0x8000000, LENGTH = 0x2000
     /* <<< */
 }
 
@@ -37,4 +37,5 @@ SECTIONS {
     .eh_frame : { *(.eh_frame) }
     . = ALIGN(8);
     . = . + SIZEOF_HEADERS;
+
 }
-- 
Gitee


From d4d64f0185e3094c8ef16ee92e884b7c2c7c47d1 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 12:02:48 +0000
Subject: [PATCH 08/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-12/text_address.ld | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/exercise-12/text_address.ld b/src/exercise-12/text_address.ld
index bacc566..2de92fc 100644
--- a/src/exercise-12/text_address.ld
+++ b/src/exercise-12/text_address.ld
@@ -1,13 +1,13 @@
 MEMORY {
     /* >>> 在这里定义内存区域，设置内存区域起始地址为 `0x8000000`，长度为 `0x2000`。 */
-
+    RAM (rwx) : ORIGIN = 0x8000000, LENGTH = 0x2000
     /* <<< */
 }
 
 
 SECTIONS {
     /* >>> 在这里指定 `.text` 的起始地址为 `0x1000` */
-    .text : {
+    .text 0x1000 : {
         *(.text)
         /* 其他段的定义 */
     }
@@ -38,4 +38,4 @@ SECTIONS {
     .eh_frame : { *(.eh_frame) }
     . = ALIGN(8);
     . = . + SIZEOF_HEADERS;
-}
+}
\ No newline at end of file
-- 
Gitee


From 52b964e5b4a0e2addc7c394b37e9ac7a13e4c9ee Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 12:06:03 +0000
Subject: [PATCH 09/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-13/new_symbol.ld | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/exercise-13/new_symbol.ld b/src/exercise-13/new_symbol.ld
index 2ad387c..0f2b6fd 100644
--- a/src/exercise-13/new_symbol.ld
+++ b/src/exercise-13/new_symbol.ld
@@ -1,6 +1,6 @@
 MEMORY {
     /* >>> 在这里定义内存区域，设置内存区域起始地址为 `0x8000000`，长度为 `0x2000`。 */
-
+    RAM (rwx) : ORIGIN = 0x8000000, LENGTH = 0x2000
     /* <<< */
 }
 
@@ -11,7 +11,7 @@ SECTIONS {
         /* 其他段的定义 */
 
         /* >>> 在这里添加 my_custom_symbol，地址设置 0x1111 。*/
-
+        my_custom_symbol = 0x1111;
         /* <<< */
     }
     /* <<< */
@@ -42,4 +42,4 @@ SECTIONS {
     .eh_frame : { *(.eh_frame) }
     . = ALIGN(8);
     . = . + SIZEOF_HEADERS;
-}
+}
\ No newline at end of file
-- 
Gitee


From fe52efb6c75f657e76c4c5f013dfa46e7a5c014e Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 12:07:43 +0000
Subject: [PATCH 10/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-14/custom_section.ld | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/exercise-14/custom_section.ld b/src/exercise-14/custom_section.ld
index e9718fd..42bd49c 100644
--- a/src/exercise-14/custom_section.ld
+++ b/src/exercise-14/custom_section.ld
@@ -1,6 +1,6 @@
 MEMORY {
     /* >>> 在这里定义内存区域，设置内存区域起始地址为 `0x8000000`，长度为 `0x2000`。 */
-
+    RAM (rwx) : ORIGIN = 0x8000000, LENGTH = 0x2000
     /* <<< */
 }
 
@@ -23,7 +23,9 @@ SECTIONS {
     } > RAM
 
     /* >>> 在这里添加 my_custom_sectoin，并在其内放置 `my_custom_data`，地址设置 0x1234 。*/
-
+    .my_custom_section : {
+        my_custom_data = 0x1234;
+    }
     /* <<< */
 
 
@@ -42,4 +44,4 @@ SECTIONS {
     .eh_frame : { *(.eh_frame) }
     . = ALIGN(8);
     . = . + SIZEOF_HEADERS;
-}
+}
\ No newline at end of file
-- 
Gitee


From 2ee19fc712842c166ec5d727504f7fdb265e392b Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 12:10:23 +0000
Subject: [PATCH 11/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-20/task_queue.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/exercise-20/task_queue.c b/src/exercise-20/task_queue.c
index 3cad5b3..2935a60 100644
--- a/src/exercise-20/task_queue.c
+++ b/src/exercise-20/task_queue.c
@@ -26,17 +26,24 @@ merge_task_queues (TaskNode *a, TaskNode *b)
 
   TaskNode head, *tail = &head, *a_ptr = a, *b_ptr = b;
 
-  while (a_ptr && b_ptr)
+   while (a_ptr && b_ptr)
     {
-      /*
-       * 在这里比较 task_id 以调整合并后任务队列的顺序。
-       *
-       */
+     
+      
+      if(a_ptr->task_id < b_ptr->task_id)
+      {
+        tail->next = a_ptr;
+        a_ptr = a_ptr->next;
+      }
+      else
+      {
+        tail->next = b_ptr;
+        b_ptr = b_ptr->next;
+      }
       tail = tail->next;
     }
 
   tail->next = (a_ptr ? a_ptr : b_ptr);
-
   return head.next;
 }
 
-- 
Gitee


From 2d252d1c075c32802ab450197907b6375dc247b1 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 12:14:16 +0000
Subject: [PATCH 12/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-21/task_queue.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/src/exercise-21/task_queue.c b/src/exercise-21/task_queue.c
index 39dc2f6..e729d0e 100644
--- a/src/exercise-21/task_queue.c
+++ b/src/exercise-21/task_queue.c
@@ -30,13 +30,6 @@ reverse_task_queue_by_group (TaskNode *head, int k)
 
   while (head != NULL)
     {
-      /*
-       * TIP
-       * 按每 k 个节点一组翻转任务队列。可以利用一个指向头节点 head 的辅
-       * 助节点 hair，用 pre 指向 hair。遍历链表，每次移动 k 个节点并翻
-       * 转，翻转后的段首与 pre 相连，段尾与下一段相连。继续更新 pre 和
-       * head，直到遍历完成。最后返回 hair 的下一个节点作为新头节点。
-       */
       TaskNode *tail = pre;
 
       for (int i = 0; i < k; ++i)
@@ -44,7 +37,7 @@ reverse_task_queue_by_group (TaskNode *head, int k)
           tail = tail->next;
           if (tail == NULL)
             {
-              // 在这里填写代码
+              return hair->next;
             }
         }
 
@@ -55,13 +48,13 @@ reverse_task_queue_by_group (TaskNode *head, int k)
       while (prev != tail)
         {
           TaskNode *temp = p->next;
-          // 在这里填写代码
+          p->next = prev;
+          prev = p;
+          p = temp;
         }
 
       pre->next = tail;
-
-      // 在这里填写代码
-
+      pre = head;
       head = next;
     }
 
@@ -92,3 +85,4 @@ print_task_queue (TaskNode *head)
     }
   printf ("\n");
 }
+
-- 
Gitee


From 8e4022aa18fa16917aef3a428cd61af6770481b0 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 12:17:55 +0000
Subject: [PATCH 13/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-30/hello.c     |  7 +++---
 src/exercise-31/factorial.c | 49 +++++++++++++++++++++++--------------
 2 files changed, 33 insertions(+), 23 deletions(-)

diff --git a/src/exercise-30/hello.c b/src/exercise-30/hello.c
index 1a9625a..074dec6 100644
--- a/src/exercise-30/hello.c
+++ b/src/exercise-30/hello.c
@@ -1,4 +1,3 @@
-
 #include <linux/module.h>
 
 /*
@@ -10,7 +9,7 @@ hello_init (void)
 {
 
   // >>> 在这里编写如何使用打印函数 输出 hello world!
-
+  printk(KERN_INFO "hello world!\n");
   // <<<
 
   return 0;
@@ -26,7 +25,7 @@ hello_exit (void)
 {
 
   // >>> 在这里编写如何使用打印函数输出 exit world!
-
+  printk(KERN_INFO "exit world!\n");
   // <<<
 }
 
@@ -35,4 +34,4 @@ module_init (hello_init);
 module_exit (hello_exit);
 // <<<
 
-MODULE_LICENSE ("GPL");
+MODULE_LICENSE ("GPL");
\ No newline at end of file
diff --git a/src/exercise-31/factorial.c b/src/exercise-31/factorial.c
index 4894534..af14aac 100644
--- a/src/exercise-31/factorial.c
+++ b/src/exercise-31/factorial.c
@@ -3,38 +3,49 @@
 #include <linux/moduleparam.h>
 
 static int factorial_input = 0;
-module_param (factorial_input, int, S_IRUGO);
-MODULE_PARM_DESC (factorial_input, "An integer input parameter");
+module_param(factorial_input, int, S_IRUGO);
+MODULE_PARM_DESC(factorial_input, "An integer input parameter");
 
-static int
-factorial (int n)
-{
+static int factorial(int n) {
   /* >>> 实现 factorial 算法。*/
+  int result = 1;
+  int i;
 
+  if (n < 0) {
+    printk(KERN_WARNING "Factorial is not defined for negative numbers\n");
+    return -1;  // 返回 -1 代表错误
+  }
 
+  for (i = 1; i <= n; ++i) {
+    result *= i;
+  }
+
+  return result;
   /* <<<  */
 }
 
-static int __init
-factorial_init (void)
-{
+static int __init factorial_init(void) {
   int n = factorial_input;
-  int result = factorial (n);
-  printk (KERN_INFO "Factorial of %d is %d\n", n, result);
+  int result = factorial(n);
+  
+  if (result == -1) {
+    printk(KERN_WARNING "Invalid input for factorial: %d\n", n);
+  } else {
+    printk(KERN_INFO "Factorial of %d is %d\n", n, result);
+  }
+
   return 0;
 }
 
-static void __exit
-factorial_exit (void)
-{
-  printk (KERN_INFO "Module unloaded\n");
+static void __exit factorial_exit(void) {
+  printk(KERN_INFO "Module unloaded\n");
 }
 
 /* >>> 加载和卸载内核模块。*/
-module_init (factorial_init);
-module_exit (factorial_exit);
+module_init(factorial_init);
+module_exit(factorial_exit);
 /* <<<  */
 
-MODULE_LICENSE ("GPL");
-MODULE_AUTHOR ("Your Name");
-MODULE_DESCRIPTION ("Factorial Calculation Module");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Your Name");
+MODULE_DESCRIPTION("Factorial Calculation Module");
-- 
Gitee


From 6832f35d2b68da3452455c1f795021ac4effee57 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 12:19:49 +0000
Subject: [PATCH 14/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-32/reverse_string.c | 45 ++++++++++++++++----------------
 1 file changed, 22 insertions(+), 23 deletions(-)

diff --git a/src/exercise-32/reverse_string.c b/src/exercise-32/reverse_string.c
index 4f13d0b..207c04b 100644
--- a/src/exercise-32/reverse_string.c
+++ b/src/exercise-32/reverse_string.c
@@ -6,43 +6,42 @@
 #define MAX_LEN 100
 
 static char reverse_string_input[MAX_LEN] = "\0";
-module_param_string (reverse_string_input, reverse_string_input, MAX_LEN,
-                     S_IRUGO);
-MODULE_PARM_DESC (reverse_string_input, "A character string input parameter");
+module_param_string(reverse_string_input, reverse_string_input, MAX_LEN, S_IRUGO);
+MODULE_PARM_DESC(reverse_string_input, "A character string input parameter");
 
-static void /* -> 我们原地对 reverse_string_input 进行处理。 */
-reverse_string (char *str)
+static void
+reverse_string(char *str)
 {
-  int len = strlen (str);
+  int len = strlen(str);
   int i;
   char temp;
   for (i = 0; i < len / 2; i++)
-    {
-      temp = str[i];
-      // >>> 在这里编写调换的功能
-
-      // <<<
-    }
+  {
+    temp = str[i];
+    str[i] = str[len - i - 1];
+    str[len - i - 1] = temp;
+  }
 }
 
 static int __init
-reverse_init (void)
+reverse_init(void)
 {
-  printk (KERN_INFO "Original string: %s\n", reverse_string_input);
-  reverse_string (reverse_string_input);
-  printk (KERN_INFO "Reversed string: %s\n", reverse_string_input);
+  printk(KERN_INFO "Original string: %s\n", reverse_string_input);
+  reverse_string(reverse_string_input);
+  printk(KERN_INFO "Reversed string: %s\n", reverse_string_input);
   return 0;
 }
 
 static void __exit
-reverse_exit (void)
+reverse_exit(void)
 {
-  printk (KERN_INFO "Module unloaded\n");
+  printk(KERN_INFO "Module unloaded\n");
 }
 
-module_init (reverse_init);
-module_exit (reverse_exit);
+module_init(reverse_init);
+module_exit(reverse_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Your Name");
+MODULE_DESCRIPTION("String Reversal Module");
 
-MODULE_LICENSE ("GPL");
-MODULE_AUTHOR ("Your Name");
-MODULE_DESCRIPTION ("String Reversal Module");
-- 
Gitee


From a1adc0091566470a93f7c5cae0afbf0d7c1f7ec0 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 12:58:30 +0000
Subject: [PATCH 15/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-04/Makefile  | 36 +++++++++++++-------------
 src/exercise-33/average.c | 53 ++++++++++++++++++++++-----------------
 2 files changed, 48 insertions(+), 41 deletions(-)

diff --git a/src/exercise-04/Makefile b/src/exercise-04/Makefile
index 4a5304c..7f741ba 100644
--- a/src/exercise-04/Makefile
+++ b/src/exercise-04/Makefile
@@ -1,45 +1,45 @@
 CC ?= gcc
 
-CFLAGS  = -std=c11 -Wall -Wextra -Wpedantic -Werror -g
-LDFLAGS = -Wl,--as-needed -Wl,--no-undefined
+CFLAGS	= -std=c11 -Wall -Wextra -Wpedantic -Werror -g
+LDFLAGS = -Wl,--as-needed -Wl,--no-undefined # -fsanitize=address -fsanitize=undefined
 
 OUTPUT_DIR ?= .
 
-SRCS        = main.c
-OBJS        = $(SRCS:.c=.o)
-TARGET      = $(OUTPUT_DIR)/exercise-04
+SRCS		= main.c
+OBJS		= $(SRCS:.c=.o)
+TARGET		= $(OUTPUT_DIR)/exercise-04
 
-LIB_NAME    = libfunctions.a
-LIB_TARGET  = $(OUTPUT_DIR)/$(LIB_NAME)
-LIB_SRC     = functions.c
-LIB_OBJ     = $(LIB_SRC:.c=.o)
+LIB_NAME	= libfunctions.a
+LIB_TARGET	= $(OUTPUT_DIR)/$(LIB_NAME)
+LIB_SRC		= functions.c
+LIB_OBJ		= $(LIB_SRC:.c=.o)
 
-TEST_SRCS   = test.c functions.c
-TEST_OBJS   = $(TEST_SRCS:.c=.o)
+TEST_SRCS	= test.c functions.c
+TEST_OBJS	= $(TEST_SRCS:.c=.o)
 TEST_TARGET = $(OUTPUT_DIR)/exercise-04_test
 
-all: $(OUTPUT_DIR) $(TARGET) test
+all: $(TARGET) test
 
 $(OUTPUT_DIR):
 	mkdir -p $(OUTPUT_DIR)
 
 $(LIB_OBJ): $(LIB_SRC)
-	$(CC) $(CFLAGS) -c -o $@ $<
+	$(CC) $(CFLAGS) -c $< -o $@
 
 $(LIB_TARGET): $(LIB_OBJ)
-	ar rcs $@ $^
+	ar rcs $@ $<
 
 $(TARGET): $(OBJS) $(LIB_TARGET)
-	$(CC) $(LDFLAGS) -o $@ $^ -L$(OUTPUT_DIR) -lfunctions
+	$(CC) $(LDFLAGS) -o $@ $(OBJS) -L$(OUTPUT_DIR) -lfunctions
 
 $(TEST_TARGET): $(TEST_OBJS) $(LIB_TARGET)
-	$(CC) $(LDFLAGS) -o $@ $^ -L$(OUTPUT_DIR) -lfunctions
+	$(CC) $(LDFLAGS) -o $@ $(TEST_OBJS) -L$(OUTPUT_DIR) -lfunctions
 
 %.o: %.c
-	$(CC) $(CFLAGS) -c -o $@ $<
+	$(CC) $(CFLAGS) -c $< -o $@
 
 test: $(TEST_TARGET)
-	./$(TEST_TARGET)
+	$(TEST_TARGET)
 
 clean:
 	rm -f $(LIB_TARGET) $(TARGET) $(TEST_TARGET) $(OBJS) $(LIB_OBJ) $(TEST_OBJS)
diff --git a/src/exercise-33/average.c b/src/exercise-33/average.c
index 5b13922..772dccc 100644
--- a/src/exercise-33/average.c
+++ b/src/exercise-33/average.c
@@ -8,34 +8,41 @@ static int average_input[MAX_ARRAY_SIZE];
 static int average_input_size = 0;
 
 /* 理解 module_param_array 是如何工作的 */
-module_param_array (average_input, int, &average_input_size, 0444);
-MODULE_PARM_DESC (average_input, "An array of integers");
+module_param_array(average_input, int, &average_input_size, 0444);
+MODULE_PARM_DESC(average_input, "An array of integers");
 
 static int
-average (int arr[], int size)
+average(int arr[], int size)
 {
-  /* >>> 求并返回平均数 */
- 
- 
-  /* <<< */
+  int sum = 0;
+  int i;
+  
+  if (size == 0) {
+    return 0;
+  }
+
+  for (i = 0; i < size; ++i) {
+    sum += arr[i];
+  }
+
+  return sum / size;
 }
 
 static int __init
-average_init (void)
+average_init(void)
 {
   /*
     初始化 average.ko，注意：你需要检查 average_input_size < MAX_ARRAY_SIZE。
     >>>
    */
   if (average_input_size > MAX_ARRAY_SIZE)
-    {
-      printk (KERN_WARNING "Array size exceeds maximum limit of %d\n",
-              MAX_ARRAY_SIZE);
-      return -EINVAL;
-    }
+  {
+    printk(KERN_WARNING "Array size exceeds maximum limit of %d\n", MAX_ARRAY_SIZE);
+    return -EINVAL;
+  }
 
-  int avg = average (average_input, average_input_size);
-  printk (KERN_INFO "Average of the array: %d\n", avg);
+  int avg = average(average_input, average_input_size);
+  printk(KERN_INFO "Average of the array: %d\n", avg);
 
   /*
     <<<
@@ -45,15 +52,15 @@ average_init (void)
 }
 
 static void __exit
-average_exit (void)
+average_exit(void)
 {
-  printk (KERN_INFO "Module unloaded\n");
+  printk(KERN_INFO "Module unloaded\n");
 }
 
-module_init (average_init);
-module_exit (average_exit);
+module_init(average_init);
+module_exit(average_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Your Name");
+MODULE_DESCRIPTION("Array Average Calculation Module using Kernel Parameters");
 
-MODULE_LICENSE ("GPL");
-MODULE_AUTHOR ("Your Name");
-MODULE_DESCRIPTION (
-    "Array Average Calculation Module using Kernel Parameters");
-- 
Gitee


From a57d4035a48995eec1df7eb3611572e8436264da Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 13:02:07 +0000
Subject: [PATCH 16/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-34/linear_search.c | 51 +++++++++++++++++----------------
 src/exercise-35/delay.c         | 16 ++++++-----
 2 files changed, 35 insertions(+), 32 deletions(-)

diff --git a/src/exercise-34/linear_search.c b/src/exercise-34/linear_search.c
index c8f2e0c..d803af9 100644
--- a/src/exercise-34/linear_search.c
+++ b/src/exercise-34/linear_search.c
@@ -7,28 +7,30 @@
 static int ls_array_input[MAX_ARRAY_SIZE];
 static int ls_array_input_size = 0;
 
-module_param_array (ls_array_input, int, &ls_array_input_size, 0444);
-MODULE_PARM_DESC (ls_array_input, "An array of integers");
+module_param_array(ls_array_input, int, &ls_array_input_size, 0444);
+MODULE_PARM_DESC(ls_array_input, "An array of integers");
 
 static int ls_target = 0;
 
-module_param (ls_target, int, S_IRUGO);
-MODULE_PARM_DESC (ls_target, "An integer input parameter");
+module_param(ls_target, int, S_IRUGO);
+MODULE_PARM_DESC(ls_target, "An integer input parameter");
 
 static int
-linear_search (int arr[], int size, int target)
+linear_search(int arr[], int size, int target)
 {
   int i;
+  
+  for (i = 0; i < size; ++i) {
+    if (arr[i] == target) {
+      return i;
+    }
+  }
 
-  // >>> 在这里编写功能，返回匹配的索引
-
-  // <<<
-
-  return -1;
+  return -1;  // 表示未找到
 }
 
 static int __init
-search_init (void)
+search_init(void)
 {
   /*
     初始化 linear_search.ko，注意：你需要检查 ls_array_input_size 小于
@@ -36,14 +38,13 @@ search_init (void)
     >>>
    */
   if (ls_array_input_size > MAX_ARRAY_SIZE)
-    {
-      printk (KERN_WARNING "Array size exceeds maximum limit of %d\n",
-              MAX_ARRAY_SIZE);
-      return -EINVAL;
-    }
+  {
+    printk(KERN_WARNING "Array size exceeds maximum limit of %d\n", MAX_ARRAY_SIZE);
+    return -EINVAL;
+  }
 
-  int result = linear_search (ls_array_input, ls_array_input_size, ls_target);
-  printk (KERN_INFO "Index of %d in the array: %d\n", ls_target, result);
+  int result = linear_search(ls_array_input, ls_array_input_size, ls_target);
+  printk(KERN_INFO "Index of %d in the array: %d\n", ls_target, result);
 
   /*
    <<<
@@ -53,14 +54,14 @@ search_init (void)
 }
 
 static void __exit
-search_exit (void)
+search_exit(void)
 {
-  printk (KERN_INFO "Module unloaded\n");
+  printk(KERN_INFO "Module unloaded\n");
 }
 
-module_init (search_init);
-module_exit (search_exit);
+module_init(search_init);
+module_exit(search_exit);
 
-MODULE_LICENSE ("GPL");
-MODULE_AUTHOR ("Your Name");
-MODULE_DESCRIPTION ("Linear Search Module");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Your Name");
+MODULE_DESCRIPTION("Linear Search Module");
diff --git a/src/exercise-35/delay.c b/src/exercise-35/delay.c
index 305f269..6521d19 100644
--- a/src/exercise-35/delay.c
+++ b/src/exercise-35/delay.c
@@ -3,20 +3,22 @@
 #include <linux/module.h>
 
 static int __init
-delay_init (void)
+delay_init(void)
 {
   // >>> 在这里编写延时功能，并打印 Delay 2s!
-
+  msleep(2000);  // 延时 2000 毫秒 (2 秒)
+  printk(KERN_INFO "Delay 2s!\n");
   // <<<
+
   return 0;
 }
 
 static void __exit
-delay_exit (void)
+delay_exit(void)
 {
-  printk (KERN_ALERT "exit kernel.\n");
+  printk(KERN_ALERT "exit kernel.\n");
 }
 
-module_init (delay_init);
-module_exit (delay_exit);
-MODULE_LICENSE ("GPL");
+module_init(delay_init);
+module_exit(delay_exit);
+MODULE_LICENSE("GPL");
-- 
Gitee


From 16b42cc4317f19b675f8ccf5cbafebb166671703 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 13:04:22 +0000
Subject: [PATCH 17/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-40/main.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/exercise-40/main.c b/src/exercise-40/main.c
index b409d9d..c0bc630 100644
--- a/src/exercise-40/main.c
+++ b/src/exercise-40/main.c
@@ -20,19 +20,19 @@ conditional_jump (int a, int b)
   // 结束标签
   // 输出操作数，result 用来存储返回值
 
-  // >>> 替换 PLACEHOLDER 为合适的指令完成注释的功能
   __asm__ volatile (
-      // 实现 a >= b,跳转到 greater_equal
-      "PLACEHOLDER\n"
-      "mv %0, %2\n"
-      "j end\n"
+      // 实现 a >= b，跳转到 greater_equal
+      "cmp %1, %2\n"
+      "bge greater_equal\n"
+      "mov %0, %2\n"
+      "b end\n"
       "greater_equal:\n"
-      "mv %0, %1\n"
+      "mov %0, %1\n"
       "end:\n"
       : "=r"(result)
-      : "r"(a), "r"(b));
-
-  // <<<
+      : "r"(a), "r"(b)
+      : // 暂无需使用的寄存器
+  );
 
   return result;
 }
-- 
Gitee


From 8d939b70270c5cec200d1a0629a48b512c0066c4 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 13:08:33 +0000
Subject: [PATCH 18/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-41/main.c | 22 ++++++-------
 src/exercise-42/main.c | 73 ++++++++++++++++++++++++------------------
 2 files changed, 51 insertions(+), 44 deletions(-)

diff --git a/src/exercise-41/main.c b/src/exercise-41/main.c
index 77da77b..9c95b95 100644
--- a/src/exercise-41/main.c
+++ b/src/exercise-41/main.c
@@ -7,22 +7,21 @@ gcd (int a, int b)
 {
   int result; // 用于保存计算结果
 
-  // >>> 替换 PLACEHOLDER 为合适的指令完成注释的功能
-
   __asm__ volatile (
       // 用于循环条件判断的标签
       "loop:\n\t"
       // 判断 a 和 b 是否相等，如果相等，则跳出循环
-      "PLACEHOLDER\n\t"
-      // 判断 b 是否小于 a,跳到 a_greater
-      "PLACEHOLDER\n\t"
-      // 如果 a 小于 b，则执行 b = b - a
-      "sub %2, %2, %1\n\t"
-      "jal x0, loop\n\t"
-      // 如果b小于a，则执行 a = a - b
-      "a_greater:\n\t"
+      "beq %1, %2, end\n\t"
+      // 判断 b 是否小于 a，如果是，则跳转到 a_greater
+      "blt %2, %1, a_greater\n\t"
+      // 如果 a 大于等于 b，则执行 a = a - b
       "sub %1, %1, %2\n\t"
-      "jal x0, loop\n\t"
+      "j loop\n\t"
+      // b < a 的情况
+      "a_greater:\n\t"
+      // 如果 b 小于 a，则执行 b = b - a
+      "sub %2, %2, %1\n\t"
+      "j loop\n\t"
       // 循环结束标签
       "end:\n\t"
       // 最终结果存储在 %0 中
@@ -31,7 +30,6 @@ gcd (int a, int b)
       : "r"(a), "r"(b) // 输入寄存器
   );
 
-  // <<<
   return result;
 }
 
diff --git a/src/exercise-42/main.c b/src/exercise-42/main.c
index e076d5f..2ccf21e 100644
--- a/src/exercise-42/main.c
+++ b/src/exercise-42/main.c
@@ -8,47 +8,56 @@ find_value (int *arr, int n, int target, int start_index)
 {
   int index = -1; // 默认为目标值未找到或起始索引超出数组范围
 
-  // >>> 替换 PLACEHOLDER 为合适的指令完成注释的功能
   __asm__ volatile (
       // 检查起始索引是否超出数组范围
-      "PLACEHOLDER\n\t" // 如果起始索引 start_index >= n，则跳转到
-                        // out_of_range 标签
-      "blt %4, x0, out_of_range\n\t" // 如果起始索引 start_index < 0，则跳转到
-                                     // out_of_range 标签
-      // 用于循环计数的寄存器
-      "li t0, 0\n\t"
-      "sub t3,%2,%4\n\t"
-      // 将 start_index 乘以 4（整数大小）保存到t2寄存器
-      "PLACEHOLDER\n\t"
-      "add %1, %1, t2\n\t" // 将计算的偏移量添加到数组指针中
+      "blt %4, x0, out_of_range\n\t" // 如果起始索引 start_index < 0，则跳转到 out_of_range 标签
+      "bge %4, %2, out_of_range\n\t" // 如果起始索引 start_index >= n，则跳转到 out_of_range 标签
+
+      // 计算起始索引的偏移量（索引乘以 4，因为每个整数占用 4 字节）
+      "slli t2, %4, 2\n\t" // t2 = start_index * 4
+
+      // 将偏移量加到数组指针中，得到起始位置的指针
+      "add %1, %1, t2\n\t" // arr = arr + start_index * 4
+
+      // 初始化循环计数器 t0 和循环结束条件 t3
+      "li t0, 0\n\t" // t0 = 0
+      "li t3, %2\n\t" // t3 = n
+
+      // 循环开始标签
       "loop:\n\t"
-      // 使用 load 指令将 arr[i] 加载到 t1 寄存器
-      "lw t1, 0(%1)\n\t"
-      // 比较 arr[i] 和目标值
-      "PLACEHOLDER\n\t" // 如果 arr[i] == target，则跳转到 found 标签
-      "bne t0, t3, next\n\t" // 如果循环计数 t0 != n，则跳转到 next 标签
-      "jal x0, out_of_range\n\t" // 否则跳转到 out_of_range 标签
-      "found:\n\t"
+      // 加载 arr[t0] 到寄存器 t1
+      "lw t1, 0(%1)\n\t" // t1 = *arr
+
+      // 比较 t1 和目标值 target
+      "bne t1, %3, next\n\t" // 如果 t1 != target，则跳转到 next 标签
+
       // 如果找到目标值，保存索引并跳转到 end 标签
-      "mv %0, t0\n\t"
-      "jal x0, end\n\t"
+      "mv %0, t0\n\t" // index = t0
+      "jal x0, end\n\t" // 跳转到 end 标签
+
+      // 下一个元素标签
       "next:\n\t"
-      // 指针增加 4，指向下一个元素
-      "addi %1, %1, 4\n\t"
-      // 循环计数加 1
-      "addi t0, t0, 1\n\t"
+      // 指针移动到下一个元素位置
+      "addi %1, %1, 4\n\t" // arr++
+      // 循环计数器加 1
+      "addi t0, t0, 1\n\t" // t0++
+
       // 判断是否达到循环结束条件
-      "blt t0, t3, loop\n\t"
-      "jal x0, out_of_range\n\t"
+      "blt t0, t3, loop\n\t" // 如果 t0 < t3，则跳转到 loop 标签
+      "jal x0, out_of_range\n\t" // 否则跳转到 out_of_range 标签
+
+      // 超出范围标签
       "out_of_range:\n\t"
-      // 如果起始索引超出数组范围，返回 -1
-      "li %0, -1\n\t"
+      // 返回 -1
+      "li %0, -1\n\t" // index = -1
+
+      // 结束标签
       "end:\n\t"
-      : "=r"(index)
-      : "r"(arr), "r"(n), "r"(target), "r"(start_index)
-      : "t0", "t1", "t2", "t3");
+      : "=r"(index) // 输出寄存器
+      : "r"(arr), "r"(n), "r"(target), "r"(start_index) // 输入寄存器
+      : "t0", "t1", "t2", "t3" // 破坏寄存器
+  );
 
-#<<<
   return index;
 }
 
-- 
Gitee


From 2c27e21878e6522a0e69743a0ea00adcd4bf5040 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 13:15:07 +0000
Subject: [PATCH 19/22] Junyi

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-12/text_address.ld | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/exercise-12/text_address.ld b/src/exercise-12/text_address.ld
index 2de92fc..65bb203 100644
--- a/src/exercise-12/text_address.ld
+++ b/src/exercise-12/text_address.ld
@@ -4,13 +4,14 @@ MEMORY {
     /* <<< */
 }
 
-
 SECTIONS {
     /* >>> 在这里指定 `.text` 的起始地址为 `0x1000` */
     .text 0x1000 : {
         *(.text)
-        /* 其他段的定义 */
-    }
+        *(.rodata)
+        *(.data)
+        *(.bss)
+    } > RAM
     /* <<< */
 
     /* 定义只读数据段，包含常量数据 */
@@ -38,4 +39,4 @@ SECTIONS {
     .eh_frame : { *(.eh_frame) }
     . = ALIGN(8);
     . = . + SIZEOF_HEADERS;
-}
\ No newline at end of file
+}
-- 
Gitee


From 6ce5655820f0f7e33c7817e6d8354968440c3f8e Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Fri, 14 Jun 2024 14:22:54 +0000
Subject: [PATCH 20/22] test

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-12/text_address.ld | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/exercise-12/text_address.ld b/src/exercise-12/text_address.ld
index 65bb203..4931949 100644
--- a/src/exercise-12/text_address.ld
+++ b/src/exercise-12/text_address.ld
@@ -4,14 +4,13 @@ MEMORY {
     /* <<< */
 }
 
+
 SECTIONS {
     /* >>> 在这里指定 `.text` 的起始地址为 `0x1000` */
-    .text 0x1000 : {
+    .text 0x1000 :  {
         *(.text)
-        *(.rodata)
-        *(.data)
-        *(.bss)
-    } > RAM
+        /* 其他段的定义 */
+    }
     /* <<< */
 
     /* 定义只读数据段，包含常量数据 */
@@ -39,4 +38,4 @@ SECTIONS {
     .eh_frame : { *(.eh_frame) }
     . = ALIGN(8);
     . = . + SIZEOF_HEADERS;
-}
+}
\ No newline at end of file
-- 
Gitee


From 8f1407ca324276a42b3f0874bba5f73842631d42 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Sat, 15 Jun 2024 04:06:51 +0000
Subject: [PATCH 21/22] TEST

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-01/Makefile | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/exercise-01/Makefile b/src/exercise-01/Makefile
index f739261..0e45c07 100644
--- a/src/exercise-01/Makefile
+++ b/src/exercise-01/Makefile
@@ -15,10 +15,11 @@ $(OUTPUT_DIR):
 	mkdir -p $(OUTPUT_DIR)
 
 $(TARGET): $(OBJS)
-    $(CC) $(LDFLAGS) -o $@ $^
+	$(CC) $(LDFLAGS) -o $@ $(OBJS)
+
 
 %.o: %.c
-	# 在这里指定 C 文件的编译命令
-    $(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(CFLAGS) -c $< -o $@
+
 clean:
 	rm -f $(TARGET) $(OBJS)
-- 
Gitee


From 4b56dd33cb252e79afbe85d07bf08e4aa9eadcb4 Mon Sep 17 00:00:00 2001
From: Ruby_Facetious_a005 <1621059562@qq.com>
Date: Sat, 15 Jun 2024 04:07:58 +0000
Subject: [PATCH 22/22] test

Signed-off-by: Ruby_Facetious_a005 <1621059562@qq.com>
---
 src/exercise-02/Makefile | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/exercise-02/Makefile b/src/exercise-02/Makefile
index cb2c62c..ad0b06e 100644
--- a/src/exercise-02/Makefile
+++ b/src/exercise-02/Makefile
@@ -19,16 +19,16 @@ $(OUTPUT_DIR):
 	mkdir -p $(OUTPUT_DIR)
 
 $(TARGET): $(OBJS)
-	# 在这里指定 TARGET 的构建命令
-    $(CC) $(LDFLAGS) -o $@ $^
+	$(CC) $(LDFLAGS) -o $@ $(OBJS)
+
 $(TEST_TARGET): $(TEST_OBJS)
-	# 在这里指定 TEST_TARGET 的构建命令
-    $(CC) $(LDFLAGS) -o $@ $^
+	$(CC) $(LDFLAGS) -o $@ $(TEST_OBJS)
+
 %.o: %.c
-	# 在这里指定所有 C 文件的编译命令
-    $(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(CFLAGS) -c $< -o $@
+
 test: $(TEST_TARGET)
 	$(TEST_TARGET)
 
 clean:
-	rm -f $(TARGET) $(TEST_TARGET) $(OBJS) $(TEST_OBJS)
+	rm -f $(TARGET) $(TEST_TARGET) $(OBJS) $(TEST_OBJS)
\ No newline at end of file
-- 
Gitee