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/* * Copyright (c) 2015, Wind River Systems, Inc. * Copyright (c) 2017, Oticon A/S * * SPDX-License-Identifier: Apache-2.0 */ /* Memory mapped registers I/O functions in non-arch-specific C code */ #ifndef ZEPHYR_INCLUDE_ARCH_COMMON_SYS_IO_H_ #define ZEPHYR_INCLUDE_ARCH_COMMON_SYS_IO_H_ #ifndef _ASMLANGUAGE #include <toolchain.h> #include <zephyr/types.h> #include <sys/sys_io.h> #ifdef __cplusplus extern "C" { #endif static ALWAYS_INLINE uint8_t sys_read8(mem_addr_t addr) { return *(volatile uint8_t *)addr; } static ALWAYS_INLINE void sys_write8(uint8_t data, mem_addr_t addr) { *(volatile uint8_t *)addr = data; } static ALWAYS_INLINE uint16_t sys_read16(mem_addr_t addr) { return *(volatile uint16_t *)addr; } static ALWAYS_INLINE void sys_write16(uint16_t data, mem_addr_t addr) { *(volatile uint16_t *)addr = data; } static ALWAYS_INLINE uint32_t sys_read32(mem_addr_t addr) { return *(volatile uint32_t *)addr; } static ALWAYS_INLINE void sys_write32(uint32_t data, mem_addr_t addr) { *(volatile uint32_t *)addr = data; } #ifdef __cplusplus } #endif #endif /* _ASMLANGUAGE */ #endif /* ZEPHYR_INCLUDE_ARCH_COMMON_SYS_IO_H_ */ |