sys-io-common.h

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/*
 * Copyright (c) 2021 Synopsys.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_ARCH_ARC_SYS_IO_COMMON_H_
#define ZEPHYR_INCLUDE_ARCH_ARC_SYS_IO_COMMON_H_
 
#ifndef _ASMLANGUAGE
 
#include <zephyr/toolchain.h>
#include <zephyr/sys/sys_io.h>
#include <zephyr/arch/arc/v2/aux_regs.h>
 
#include <zephyr/types.h>
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
static ALWAYS_INLINE uint8_t sys_read8(mem_addr_t addr)
{
        uint8_t value;
 
        compiler_barrier();
        value = *(volatile uint8_t *)addr;
        compiler_barrier();
 
        return value;
}
 
static ALWAYS_INLINE void sys_write8(uint8_t data, mem_addr_t addr)
{
        compiler_barrier();
        *(volatile uint8_t *)addr = data;
        compiler_barrier();
}
 
static ALWAYS_INLINE uint16_t sys_read16(mem_addr_t addr)
{
        uint16_t value;
 
        compiler_barrier();
        value = *(volatile uint16_t *)addr;
        compiler_barrier();
 
        return value;
}
 
static ALWAYS_INLINE void sys_write16(uint16_t data, mem_addr_t addr)
{
        compiler_barrier();
        *(volatile uint16_t *)addr = data;
        compiler_barrier();
}
 
static ALWAYS_INLINE uint32_t sys_read32(mem_addr_t addr)
{
        uint32_t value;
 
        compiler_barrier();
        value = *(volatile uint32_t *)addr;
        compiler_barrier();
 
        return value;
}
 
static ALWAYS_INLINE void sys_write32(uint32_t data, mem_addr_t addr)
{
        compiler_barrier();
        *(volatile uint32_t *)addr = data;
        compiler_barrier();
}
 
#ifdef CONFIG_64BIT
static ALWAYS_INLINE uint64_t sys_read64(mem_addr_t addr)
{
        uint64_t value;
 
        compiler_barrier();
        value = *(volatile uint64_t *)addr;
        compiler_barrier();
 
        return value;
}
 
static ALWAYS_INLINE void sys_write64(uint64_t data, mem_addr_t addr)
{
        compiler_barrier();
        *(volatile uint64_t *)addr = data;
        compiler_barrier();
}
#endif /* CONFIG_64BIT */
 
#ifdef __cplusplus
}
#endif
 
#endif /* _ASMLANGUAGE */
 
#endif /* ZEPHYR_INCLUDE_ARCH_ARC_SYS_IO_COMMON_H_ */