cleanup

[rpikern] / src / asm.h

diff --git a/src/asm.h b/src/asm.h
index 61d29ac..425a8ee 100644 (file)
--- a/src/asm.h
+++ b/src/asm.h
@@ -10,4 +10,6 @@
                "bne 0b\n\t" \
                :: "r"(x) : "cc")
 
+#define halt_cpu() asm volatile("wfe");
+
 #endif /* ASM_H_ */