From fd674424d19cf12c1186394606729cff236d5bdf Mon Sep 17 00:00:00 2001
From: Josh Rahm <joshuarahm@gmail.com>
Date: Sat, 28 Nov 2020 23:21:22 -0700
Subject: Some LED lights working. Not great. WIP

---
 src/kern/stdlibrepl.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/kern/stdlibrepl.c')

diff --git a/src/kern/stdlibrepl.c b/src/kern/stdlibrepl.c
index 98142e2..588191b 100644
--- a/src/kern/stdlibrepl.c
+++ b/src/kern/stdlibrepl.c
@@ -1,3 +1,4 @@
+#include "arch.h"
 /*
  * Replacement for common stdlib functions that don't exist
  * on the ARM bare-metal compilation environment.
@@ -11,3 +12,17 @@ size_t strlen(char* ch)
   while (*(ch++) != 0) ++ret;
   return ret;
 }
+
+#ifdef ARCH_STM32L4
+
+void memcpy(void* dest, void* src, size_t size)
+{
+  uint8_t* dest_ = dest;
+  uint8_t* src_ = src;
+
+  while(size --) {
+    *(dest_++) = *(src_++);
+  }
+}
+
+#endif
-- 
cgit