first commit for opensource

first commit for opensource

kernel/core/include/tos_klib.h

@@ -0,0 +1,38 @@
+#ifndef _TOS_KLIB_H_
+#define  _TOS_KLIB_H_
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+
+#define TOS_OFFSET_OF_FIELD(type, field) \
+    ((uint32_t)&(((type *)0)->field))
+
+#define TOS_CONTAINER_OF_FIELD(ptr, type, field) \
+    ((type *)((uint8_t *)(ptr) - TOS_OFFSET_OF_FIELD(type, field)))
+
+#define TOS_PTR_SANITY_CHECK(ptr) \
+    do {    \
+        if (unlikely((ptr) == K_NULL)) {    \
+            return K_ERR_OBJ_PTR_NULL;    \
+        }   \
+    } while(0)
+
+#define TOS_IN_IRQ_CHECK()    \
+    do {    \
+        if (unlikely(knl_is_inirq())) {   \
+            return K_ERR_IN_IRQ; \
+        }   \
+    } while(0)
+
+// currently we use default microlib supplied by mdk
+#define tos_kprintf(...)         printf(__VA_ARGS__);
+
+#define tos_kprintln(...)   \
+    printf(__VA_ARGS__); \
+    printf("\n");
+
+#endif /* _TOS_KLIB_H_ */
+