[src/trunk]: src/sys/arch/aarch64/include Sprinkle __volatile on asm instruct...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9f1adb6db9f9
branches:  trunk
changeset: 321204:9f1adb6db9f9
user:      skrll <skrll%NetBSD.org@localhost>
date:      Tue Mar 06 08:20:22 2018 +0000

description:
Sprinkle __volatile on asm instructions

diffstat:

 sys/arch/aarch64/include/armreg.h |  42 +++++++++++++++++++-------------------
 1 files changed, 21 insertions(+), 21 deletions(-)

diffs (66 lines):

diff -r d45942d63981 -r 9f1adb6db9f9 sys/arch/aarch64/include/armreg.h
--- a/sys/arch/aarch64/include/armreg.h Tue Mar 06 08:14:17 2018 +0000
+++ b/sys/arch/aarch64/include/armreg.h Tue Mar 06 08:20:22 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: armreg.h,v 1.6 2018/03/06 08:14:17 skrll Exp $ */
+/* $NetBSD: armreg.h,v 1.7 2018/03/06 08:20:22 skrll Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -36,36 +36,36 @@
 
 #include <sys/types.h>
 
-#define AARCH64REG_READ_INLINE2(regname, regdesc)      \
-static uint64_t inline                                 \
-reg_##regname##_read(void)                             \
-{                                                      \
-       uint64_t __rv;                                  \
-       __asm("mrs %0, " #regdesc : "=r"(__rv));        \
-       return __rv;                                    \
+#define AARCH64REG_READ_INLINE2(regname, regdesc)              \
+static uint64_t inline                                         \
+reg_##regname##_read(void)                                     \
+{                                                              \
+       uint64_t __rv;                                          \
+       __asm __volatile("mrs %0, " #regdesc : "=r"(__rv));     \
+       return __rv;                                            \
 }
 
-#define AARCH64REG_WRITE_INLINE2(regname, regdesc)     \
-static void inline                                     \
-reg_##regname##_write(uint64_t __val)                  \
-{                                                      \
-       __asm("msr " #regdesc ", %0" :: "r"(__val));    \
+#define AARCH64REG_WRITE_INLINE2(regname, regdesc)             \
+static void inline                                             \
+reg_##regname##_write(uint64_t __val)                          \
+{                                                              \
+       __asm __volatile("msr " #regdesc ", %0" :: "r"(__val)); \
 }
 
-#define AARCH64REG_WRITEIMM_INLINE2(regname, regdesc)  \
-static void inline                                     \
-reg_##regname##_write(uint64_t __val)                  \
-{                                                      \
-       __asm("msr " #regdesc ", %0" :: "n"(__val));    \
+#define AARCH64REG_WRITEIMM_INLINE2(regname, regdesc)          \
+static void inline                                             \
+reg_##regname##_write(uint64_t __val)                          \
+{                                                              \
+       __asm __volatile("msr " #regdesc ", %0" :: "n"(__val)); \
 }
 
-#define AARCH64REG_READ_INLINE(regname)                        \
+#define AARCH64REG_READ_INLINE(regname)                                \
        AARCH64REG_READ_INLINE2(regname, regname)
 
-#define AARCH64REG_WRITE_INLINE(regname)               \
+#define AARCH64REG_WRITE_INLINE(regname)                       \
        AARCH64REG_WRITE_INLINE2(regname, regname)
 
-#define AARCH64REG_WRITEIMM_INLINE(regname)            \
+#define AARCH64REG_WRITEIMM_INLINE(regname)                    \
        AARCH64REG_WRITEIMM_INLINE2(regname, regname)
 /*
  * System registers available at EL0 (user)