Message ID | 1480902750-839-6-git-send-email-andre.przywara@arm.com |
---|---|
State | Superseded |
Delegated to: | Jagannadha Sutradharudu Teki |
Headers | show |
Hi Andre, On 4 December 2016 at 18:52, Andre Przywara <andre.przywara@arm.com> 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> > --- > arch/arm/include/asm/armv8/mmu.h | 8 -------- > include/common.h | 10 +++++++++- > 2 files changed, 9 insertions(+), 9 deletions(-) > > 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 Can you please comment what this macro is for? > + > +#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 > -- > 2.8.2 > Regards, Simon
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