Fix mem.c to use the address of DATA_SEGMENT_START instead of the value

1 files changed, 13 insertions, 0 deletions

diff --git a/02-usart/src/stdlibrepl.c b/02-usart/src/stdlibrepl.c
new file mode 100644
index 0000000..2d9d839
--- /dev/null
+++ b/02-usart/src/stdlibrepl.c
@@ -0,0 +1,13 @@
+/*
+ * Replacement for common stdlib functions that don't exist
+ * on the ARM bare-metal compilation environment.
+ */
+
+#include <stddef.h>
+
+size_t strlen(char* ch)
+{
+  size_t ret = 0;
+  while(*(ch ++) != 0) ++ ret;
+  return ret;
+}