[kservice] 增加RT_KSERVICE_USING_STDLIB_MEMSET RT_KSERVICE_USING_STDLIB_MEMCPY

include/rtthread.h

@@ -596,8 +596,12 @@ int *_rt_errno(void);
 
 int __rt_ffs(int value);
 
+#ifndef RT_KSERVICE_USING_STDLIB_MEMSET
 void *rt_memset(void *src, int c, rt_ubase_t n);
+#endif /* RT_KSERVICE_USING_STDLIB_MEMSET */
+#ifndef RT_KSERVICE_USING_STDLIB_MEMCPY
 void *rt_memcpy(void *dest, const void *src, rt_ubase_t n);
+#endif /* RT_KSERVICE_USING_STDLIB_MEMCPY */
 char *rt_strdup(const char *s);
 
 #ifndef RT_KSERVICE_USING_STDLIB
@@ -612,6 +616,12 @@ rt_int32_t rt_strcmp(const char *cs, const char *ct);
 rt_size_t rt_strlen(const char *src);
 #else
 #include <string.h>
+#ifdef RT_KSERVICE_USING_STDLIB_MEMSET
+#define rt_memset(s, c, count)      memset(s, c, count)
+#endif /* RT_KSERVICE_USING_STDLIB_MEMSET */
+#ifdef RT_KSERVICE_USING_STDLIB_MEMCPY
+#define rt_memcpy(dst, src, count)  memcpy(dst, src, count)
+#endif /* RT_KSERVICE_USING_STDLIB_MEMCPY */
 #define rt_memmove(dest, src, n)    memmove(dest, src, n)
 #define rt_memcmp(cs, ct, count)    memcmp(cs, ct, count)
 #define rt_strstr(str1, str2)       strstr(str1, str2)

src/Kconfig

@@ -135,6 +135,16 @@ menu "kservice optimization"
         bool "Enable kservice to use standard C library"
         default n
 
+    if RT_KSERVICE_USING_STDLIB
+        config RT_KSERVICE_USING_STDLIB_MEMCPY
+            bool "Use memcpy to replace rt_memcpy (faster, but not safe)"
+            default n
+
+        config RT_KSERVICE_USING_STDLIB_MEMSET
+            bool "Use memset to replace rt_memset (faster, but not safe)"
+            default n
+    endif
+
     config RT_KSERVICE_USING_TINY_SIZE
         bool "Enable kservice to use tiny size"
         default n

src/kservice.c

@@ -116,6 +116,7 @@ int *_rt_errno(void)
 }
 RTM_EXPORT(_rt_errno);
 
+#ifndef RT_KSERVICE_USING_STDLIB_MEMSET
 /**
  * This function will set the content of memory to specified value.
  *
@@ -201,7 +202,9 @@ RT_WEAK void *rt_memset(void *s, int c, rt_ubase_t count)
 #endif /* RT_KSERVICE_USING_TINY_SIZE */
 }
 RTM_EXPORT(rt_memset);
+#endif /* RT_KSERVICE_USING_STDLIB_MEMSET */
 
+#ifndef RT_KSERVICE_USING_STDLIB_MEMCPY
 /**
  * This function will copy memory content from source address to destination address.
  *
@@ -285,6 +288,7 @@ RT_WEAK void *rt_memcpy(void *dst, const void *src, rt_ubase_t count)
 #endif /* RT_KSERVICE_USING_TINY_SIZE */
 }
 RTM_EXPORT(rt_memcpy);
+#endif /* RT_KSERVICE_USING_STDLIB_MEMCPY */
 
 #ifndef RT_KSERVICE_USING_STDLIB