adds terminator to char str in wrap_puts

env/riscv_vp/memory_map.ld

@@ -1,7 +1,7 @@
 MEMORY
 {
   ram   (wxa!ri) : ORIGIN = 0x00000000, LENGTH = 128K
-  rom   (rxai!w) : ORIGIN = 0x1000E000, LENGTH = 2k
+  rom   (rxai!w) : ORIGIN = 0x10080000, LENGTH = 8k
   flash (rxai!w) : ORIGIN = 0x20000000, LENGTH = 16M
   dram  (wxa!ri) : ORIGIN = 0x40000000, LENGTH = 2048M
 }

env/riscv_vp/platform.h

@@ -24,7 +24,7 @@
 
 #define PERIPH(TYPE, ADDR) ((volatile TYPE*)(ADDR))
 // values from memory_map.ld
-#define XIP_START_LOC 0x30000000
+#define XIP_START_LOC 0x20000000
 #define RAM_START_LOC 0x00000000
 #define APB_BASE 0x10000000
 

libwrap/sys/puts.c

@@ -4,10 +4,12 @@
 
 extern ssize_t _bsp_write(int, const void*, size_t);
 
-int __wrap_puts(const char* s) {
-    const char* str = s;
-    while(*str)
-        str++;
-    return _bsp_write(STDOUT_FILENO, s, str - s);
+int __wrap_puts(const char* s) {    
+     if(!s) return -1;
+     const char* str = s;
+     while(*str) 
+          ++str;
+     *(char*)str='\n';
+     return _bsp_write(STDOUT_FILENO, s, (str - s)+1);   
 }
-weak_under_alias(puts);
+    weak_under_alias(puts);