freertos: release the generic version source code

freertos runs on the second core (small one) of the CPU

freertos/cvitek/common/include/cv1835/rtos_malloc.h

@@ -0,0 +1,38 @@
+#ifndef  _MEM_HEADER_
+#define  _MEM_HEADER_
+//#include <linux/types.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#define CACHE_LINE        0x40
+
+struct header {
+    unsigned int size;
+    struct header *next_vpa;
+	char *heap_ptr_vpa;
+   	struct header *next;
+	char *heap_ptr;
+} __attribute__ ((aligned (CACHE_LINE)));
+
+typedef struct shm_malloc_t shm_malloc_t;
+typedef struct shm_memcpy_t shm_memcpy_t;
+typedef struct header Header;
+
+struct shm_malloc_t{
+    union{
+        size_t size;
+        size_t shm_va_addr;
+    };
+};
+
+struct shm_memcpy_t{
+    size_t size;
+    size_t shm_va_addr;
+    void *mem_buf;
+};
+
+void memory_init(void *prt);
+void *memory_alloc(size_t bytes);
+void memory_free(void* ptr);
+void memory_set(char *ptr, char value, size_t size);
+#endif // _MEM_HEADER_