#ifndef _ASMARM64_IO_H_ #define _ASMARM64_IO_H_ /* * From Linux arch/arm64/include/asm/io.h * Generic IO read/write. These perform native-endian accesses. * * Copyright (C) 2017, Red Hat Inc, Andrew Jones * * This work is licensed under the terms of the GNU GPL, version 2. */ #include #include #include #define __iomem #define __force #define __raw_writeb __raw_writeb static inline void __raw_writeb(u8 val, volatile void __iomem *addr) { asm volatile("strb %w0, [%1]" : : "r" (val), "r" (addr)); } #define __raw_writew __raw_writew static inline void __raw_writew(u16 val, volatile void __iomem *addr) { asm volatile("strh %w0, [%1]" : : "r" (val), "r" (addr)); } #define __raw_writel __raw_writel static inline void __raw_writel(u32 val, volatile void __iomem *addr) { asm volatile("str %w0, [%1]" : : "r" (val), "r" (addr)); } #define __raw_writeq __raw_writeq static inline void __raw_writeq(u64 val, volatile void __iomem *addr) { asm volatile("str %0, [%1]" : : "r" (val), "r" (addr)); } #define __raw_readb __raw_readb static inline u8 __raw_readb(const volatile void __iomem *addr) { u8 val; asm volatile("ldrb %w0, [%1]" : "=r" (val) : "r" (addr)); return val; } #define __raw_readw __raw_readw static inline u16 __raw_readw(const volatile void __iomem *addr) { u16 val; asm volatile("ldrh %w0, [%1]" : "=r" (val) : "r" (addr)); return val; } #define __raw_readl __raw_readl static inline u32 __raw_readl(const volatile void __iomem *addr) { u32 val; asm volatile("ldr %w0, [%1]" : "=r" (val) : "r" (addr)); return val; } #define __raw_readq __raw_readq static inline u64 __raw_readq(const volatile void __iomem *addr) { u64 val; asm volatile("ldr %0, [%1]" : "=r" (val) : "r" (addr)); return val; } #define virt_to_phys virt_to_phys static inline phys_addr_t virt_to_phys(const volatile void *x) { return __virt_to_phys((unsigned long)(x)); } #define phys_to_virt phys_to_virt static inline void *phys_to_virt(phys_addr_t x) { return (void *)__phys_to_virt(x); } #include #endif /* _ASMARM64_IO_H_ */