X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=rpikern;a=blobdiff_plain;f=src%2Fasm.h;fp=src%2Fasm.h;h=61d29ac7117bad1ccc8f58b0b4890ae67cc4d03a;hp=0000000000000000000000000000000000000000;hb=9a3655a43358c43128f6e62c8d74ff3aa81960c7;hpb=322d8fe4bf7ecd74ffb5288539efd3db828aa72a

diff --git a/src/asm.h b/src/asm.h
new file mode 100644
index 0000000..61d29ac
--- /dev/null
+++ b/src/asm.h
@@ -0,0 +1,13 @@
+#ifndef ASM_H_
+#define ASM_H_
+
+#define enable_intr()	asm volatile ("cpsie i")
+#define disable_intr()	asm volatile ("cpsid i")
+#define mem_barrier()	asm volatile ("dmb" ::: "memory")
+
+#define delay(x)  asm volatile ( \
+		"0: subs %0, %0, #1\n\t" \
+		"bne 0b\n\t" \
+		:: "r"(x) : "cc")
+
+#endif	/* ASM_H_ */