Patch procf (#90)

* 1234

* 123

* 合并master

* procfs

* 1

* procfs展示进程基本信息

* modified code

* 恢复权限

* 恢复权限

 #恢复权限

* modify permission

* 删除run.sh

* 解决第一次编译时磁盘镜像权限错误的问题

* 恢复.vscode/c_cpp_properties.json

* 删除process.c中错误的do_fork

* remake procfs

* 修改一些变量名

* 修改类型

* modified

* data_puts缓冲区溢出后return

Co-authored-by: longjin <longjin@RinGoTek.cn>

kernel/src/common/glib.h

@@ -253,14 +253,17 @@ static inline uint64_t copy_to_user(void *dst, void *src, uint64_t size)
      * @brief 先每次搬运8 bytes，剩余就直接一个个byte搬运
      *
      */
-    asm volatile("rep   \n\t"
-                 "movsq  \n\t"
-                 "movq %3, %0   \n\t"
-                 "rep   \n\t"
-                 "movsb \n\t"
-                 : "=&c"(size), "=&D"(tmp0), "=&S"(tmp1)
-                 : "r"(size & 7), "0"(size >> 3), "1"(dst), "2"(src)
-                 : "memory");
+    // todo:编译有bug
+    // asm volatile("rep   \n\t"
+    //              "movsq  \n\t"
+    //              "movq %3, %0   \n\t"
+    //              "rep   \n\t"
+    //              "movsb \n\t"
+    //              : "=&c"(size), "=&D"(tmp0), "=&S"(tmp1)
+    //              : "r"(size & 7), "0"(size >> 3), "1"(dst), "2"(src)
+    //              : "memory");
+    memcpy(dst,src,size);
+    
     return size;
 }
 

kernel/src/common/list.h

@@ -2,6 +2,7 @@
 #include <common/stddef.h>
 
 #include <asm/asm.h>
+#include <common/compiler.h>
 
 //链表数据结构
 struct List

kernel/src/common/string.h

@@ -75,4 +75,13 @@ static inline int memcmp(const void *s1, const void *s2, size_t len)
         diff = *(const unsigned char *)(s1 - 1) - *(const unsigned char *)(s2 - 1);
 
     return diff;
-}
+}
+
+/**
+ * @brief 拼接两个字符串（将src接到dest末尾）
+ *
+ * @param dest 目标串
+ * @param src 源串
+ * @return char*
+ */
+char *strcat(char *dest, const char *src);