X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/37fb1e9cee287c9ae8c065ff517c508eb5f9d7dd..96e23fa3c6eabf8a6efebac24b740c5d4a2a1050:/lunaix-os/includes/hal/io.h

diff --git a/lunaix-os/includes/hal/io.h b/lunaix-os/includes/hal/io.h
index c57de59..dd44509 100644
--- a/lunaix-os/includes/hal/io.h
+++ b/lunaix-os/includes/hal/io.h
@@ -110,5 +110,15 @@ io_outl(int port, uint32_t data)
 {
     asm volatile("outl %0,%w1" : : "a"(data), "d"(port));
 }
+static inline void
+io_delay(int counter)
+{
+    asm volatile (
+        "   test %0, %0\n"
+        "   jz 1f\n"
+        "2: dec %0\n"
+        "   jnz 2b\n"
+        "1: dec %0"::"a"(counter));
+}
 
 #endif /* __LUNAIX_IO_H */