Import newlib and create makefile

1 files changed, 17 insertions, 0 deletions

diff --git a/newlib/libc/machine/w65/mulsi3.c b/newlib/libc/machine/w65/mulsi3.c
new file mode 100644
index 0000000..b48fe97
--- /dev/null
+++ b/newlib/libc/machine/w65/mulsi3.c
@@ -0,0 +1,17 @@
+
+
+long
+__mulsi3(unsigned long a, unsigned long b)
+{
+  long res = 0;
+  while (a) 
+    {
+      if (a & 1)
+	{
+	  res += b;
+	}
+      b <<= 1;
+      a >>=1;
+    }
+  return res;
+}