Module Name: src
Committed By: riastradh
Date: Sun Dec 19 11:48:34 UTC 2021
Modified Files:
src/sys/external/bsd/drm2/include/linux: math64.h
Log Message:
Provide not-quite-proper mul_u64_u32_div
Author: Maya Rashish <m...@netbsd.org>
Committer: Taylor R Campbell <riastr...@netbsd.org>
To generate a diff of this commit:
cvs rdiff -u -r1.11 -r1.12 src/sys/external/bsd/drm2/include/linux/math64.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/linux/math64.h
diff -u src/sys/external/bsd/drm2/include/linux/math64.h:1.11 src/sys/external/bsd/drm2/include/linux/math64.h:1.12
--- src/sys/external/bsd/drm2/include/linux/math64.h:1.11 Sun Dec 19 11:36:57 2021
+++ src/sys/external/bsd/drm2/include/linux/math64.h Sun Dec 19 11:48:34 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: math64.h,v 1.11 2021/12/19 11:36:57 riastradh Exp $ */
+/* $NetBSD: math64.h,v 1.12 2021/12/19 11:48:34 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -88,6 +88,13 @@ mul_u32_u32(uint32_t a, uint32_t b)
return (uint64_t)a * (uint64_t)b;
}
+static inline uint64_t
+mul_u64_u32_div(uint64_t a, uint32_t b, uint32_t div)
+{
+ /* XXX implement to account for overflow */
+ return (a * b) / div;
+}
+
/* return floor((a*b) / 2^c) */
static inline uint64_t
mul_u64_u32_shr(uint64_t a, uint32_t b, unsigned c)
