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[U-Boot,06/24] move UL() macro from armv8/mmu.h into common.h

Message ID 1479653838-3574-7-git-send-email-andre.przywara@arm.com
State Superseded
Delegated to: Jagannadha Sutradharudu Teki
Headers show

Commit Message

Andre Przywara Nov. 20, 2016, 2:57 p.m. UTC
The UL() macro is pretty useful in sharing constants between assembly
and C files while still being able to specify a type for C.
Move the macro from an armv8 specific header into a common header file
to be able to use it by arm code (for instance) as well.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
 arch/arm/include/asm/armv8/mmu.h |  8 --------
 include/common.h                 | 10 +++++++++-
 2 files changed, 9 insertions(+), 9 deletions(-)

Comments

Alexander Graf Nov. 21, 2016, 3:45 p.m. UTC | #1
On 20/11/2016 15:57, Andre Przywara wrote:
> The UL() macro is pretty useful in sharing constants between assembly
> and C files while still being able to specify a type for C.
> Move the macro from an armv8 specific header into a common header file
> to be able to use it by arm code (for instance) as well.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>

Reviewed-by: Alexander Graf <agraf@suse.de>

Alex
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Patch

diff --git a/arch/arm/include/asm/armv8/mmu.h b/arch/arm/include/asm/armv8/mmu.h
index aa0f3c4..e9b4cdb 100644
--- a/arch/arm/include/asm/armv8/mmu.h
+++ b/arch/arm/include/asm/armv8/mmu.h
@@ -8,14 +8,6 @@ 
 #ifndef _ASM_ARMV8_MMU_H_
 #define _ASM_ARMV8_MMU_H_
 
-#ifdef __ASSEMBLY__
-#define _AC(X, Y)	X
-#else
-#define _AC(X, Y)	(X##Y)
-#endif
-
-#define UL(x)		_AC(x, UL)
-
 /***************************************************************/
 /*
  * The following definitions are related each other, shoud be
diff --git a/include/common.h b/include/common.h
index a8d833b..5fcd5f5 100644
--- a/include/common.h
+++ b/include/common.h
@@ -15,6 +15,8 @@  typedef volatile unsigned long	vu_long;
 typedef volatile unsigned short vu_short;
 typedef volatile unsigned char	vu_char;
 
+#define _AC(X, Y)       (X##Y)
+
 #include <config.h>
 #include <errno.h>
 #include <asm-offsets.h>
@@ -936,7 +938,11 @@  int cpu_disable(int nr);
 int cpu_release(int nr, int argc, char * const argv[]);
 #endif
 
-#endif /* __ASSEMBLY__ */
+#else	/* __ASSEMBLY__ */
+
+#define _AC(X, Y)       X
+
+#endif	/* __ASSEMBLY__ */
 
 #ifdef CONFIG_PPC
 /*
@@ -948,6 +954,8 @@  int cpu_release(int nr, int argc, char * const argv[]);
 
 /* Put only stuff here that the assembler can digest */
 
+#define UL(x)           _AC(x, UL)
+
 #ifdef CONFIG_POST
 #define CONFIG_HAS_POST
 #ifndef CONFIG_POST_ALT_LIST