Module Name: src
Committed By: riastradh
Date: Sun Jul 17 22:02:23 UTC 2022
Modified Files:
src/sys/external/bsd/common/include/asm: barrier.h
Log Message:
drm: Fix missing barrier definitions on arm.
The definition will work on armv7; don't think we have any drmkms
drivers on armv<7.
To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/sys/external/bsd/common/include/asm/barrier.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/common/include/asm/barrier.h
diff -u src/sys/external/bsd/common/include/asm/barrier.h:1.14 src/sys/external/bsd/common/include/asm/barrier.h:1.15
--- src/sys/external/bsd/common/include/asm/barrier.h:1.14 Sun Jul 17 18:45:48 2022
+++ src/sys/external/bsd/common/include/asm/barrier.h Sun Jul 17 22:02:23 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: barrier.h,v 1.14 2022/07/17 18:45:48 riastradh Exp $ */
+/* $NetBSD: barrier.h,v 1.15 2022/07/17 22:02:23 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -54,6 +54,10 @@
#define mb() __asm __volatile ("dsb sy" ::: "memory")
#define wmb() __asm __volatile ("dsb st" ::: "memory")
#define rmb() __asm __volatile ("dsb ld" ::: "memory")
+#elif defined(__arm__)
+#define mb() __asm __volatile ("dsb" ::: "memory")
+#define wmb() mb()
+#define rmb() mb()
#elif defined(__i386__) || defined(__x86_64__)
#include <x86/cpufunc.h>
#define mb() x86_mfence()
