diff options
Diffstat (limited to 'src/kern/delay.c')
-rw-r--r-- | src/kern/delay.c | 9 |
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(""); + } +} |