[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v3 04/62] arm/acpi: Emulate io ports for arm
From: Parth Dixit <parth.dixit@xxxxxxxxxx> Add macros to emulate x86 style ports for arm. This avoids modification in common code for acpi. Signed-off-by: Parth Dixit <parth.dixit@xxxxxxxxxx> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx> --- xen/include/asm-arm/arm64/io.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/xen/include/asm-arm/arm64/io.h b/xen/include/asm-arm/arm64/io.h index 37abc47..7ad9b65 100644 --- a/xen/include/asm-arm/arm64/io.h +++ b/xen/include/asm-arm/arm64/io.h @@ -20,6 +20,7 @@ #ifndef _ARM_ARM64_IO_H #define _ARM_ARM64_IO_H +#include <asm/system.h> #include <asm/byteorder.h> /* @@ -109,4 +110,17 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) #define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); }) #define writeq(v,c) ({ __iowmb(); writeq_relaxed((v),(c)); }) +/* + * Emulate x86 io ports for arm. + */ +#define __armio(addr) ( (void __iomem *)addr ) + +#define inb(c) ( readb( __armio(c) ) ) +#define inw(c) ( readw( __armio(c) ) ) +#define inl(c) ( readl( __armio(c) ) ) + +#define outb(v, c) ( writeb(v, __armio(c) ) ) +#define outw(v, c) ( writew(v, __armio(c) ) ) +#define outl(v, c) ( writel(v, __armio(c) ) ) + #endif /* _ARM_ARM64_IO_H */ -- 2.1.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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