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-rw-r--r--src/kern/delay.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/kern/delay.c b/src/kern/delay.c
new file mode 100644
index 0000000..28ef710
--- /dev/null
+++ b/src/kern/delay.c
@@ -0,0 +1,9 @@
+#include "kern/delay.h"
+
+void delay(uint32_t delay)
+{
+ while (delay--) {
+ /* needed to keep the compiler from optimizing away the loop. */
+ asm volatile("");
+ }
+}