[PATCH v11 14/27] selftests/powerpc: Use the new SPRN_DSCR_PRIV definiton

wei.guo.simon
2016-07-17T02:02:40Z

Now that the new DSCR register definitions (SPRN_DSCR_PRIV and
SPRN_DSCR) are defined outside this directory, use them instead.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Anton Blanchard <anton@samba.org>
Cc: Cyril Bur <cyrilbur@gmail.com>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Simon Guo <wei.guo.simon@gmail.com>
Cc: Ulrich Weigand <ulrich.weigand@de.ibm.com>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Rashmica Gupta <rashmicy@gmail.com>
Cc: Khem Raj <raj.khem@gmail.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Miroslav Benes <mbenes@suse.cz>
Cc: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Cc: Chris Smart <chris@distroguy.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
tools/testing/selftests/powerpc/dscr/dscr.h | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/powerpc/dscr/dscr.h b/tools/testing/selftests/powerpc/dscr/dscr.h
index a36af1b..18ea223b 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr.h
+++ b/tools/testing/selftests/powerpc/dscr/dscr.h
@@ -28,8 +28,6 @@

#include "utils.h"

-#define SPRN_DSCR 0x11 /* Privilege state SPR */
-#define SPRN_DSCR_USR 0x03 /* Problem state SPR */
#define THREADS 100 /* Max threads */
#define COUNT 100 /* Max iterations */
#define DSCR_MAX 16 /* Max DSCR value */
@@ -48,14 +46,14 @@ inline unsigned long get_dscr(void)
{
unsigned long ret;

- asm volatile("mfspr %0,%1" : "=r" (ret): "i" (SPRN_DSCR));
+ asm volatile("mfspr %0,%1" : "=r" (ret) : "i" (SPRN_DSCR_PRIV));

return ret;
}

inline void set_dscr(unsigned long val)
{
- asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR));
+ asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR_PRIV));
}

/* Problem state DSCR access */
@@ -63,14 +61,14 @@ inline unsigned long get_dscr_usr(void)
{
unsigned long ret;

- asm volatile("mfspr %0,%1" : "=r" (ret): "i" (SPRN_DSCR_USR));
+ asm volatile("mfspr %0,%1" : "=r" (ret) : "i" (SPRN_DSCR));

return ret;
}

inline void set_dscr_usr(unsigned long val)
{
- asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR_USR));
+ asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR));
}

/* Default DSCR access */
--
1.8.3.1