sys_io.h

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/*
 * Copyright (c) 2023 Meta
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
/* Memory mapped registers I/O functions in riscv arch C code */
 
#ifndef ZEPHYR_INCLUDE_ARCH_RISCV_SYS_IO_H_
#define ZEPHYR_INCLUDE_ARCH_RISCV_SYS_IO_H_
 
#ifndef _ASMLANGUAGE
 
#include <zephyr/toolchain.h>
#include <zephyr/types.h>
#include <zephyr/sys/sys_io.h>
 
#ifndef CONFIG_RISCV_SOC_HAS_CUSTOM_SYS_IO
#include <zephyr/arch/common/sys_io.h>
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifdef CONFIG_RISCV_SOC_HAS_CUSTOM_SYS_IO
 
extern uint8_t z_soc_sys_read8(mem_addr_t addr);
extern void z_soc_sys_write8(uint8_t data, mem_addr_t addr);
extern uint16_t z_soc_sys_read16(mem_addr_t addr);
extern void z_soc_sys_write16(uint16_t data, mem_addr_t addr);
extern uint32_t z_soc_sys_read32(mem_addr_t addr);
extern void z_soc_sys_write32(uint32_t data, mem_addr_t addr);
extern uint64_t z_soc_sys_read64(mem_addr_t addr);
extern void z_soc_sys_write64(uint64_t data, mem_addr_t addr);
 
static ALWAYS_INLINE uint8_t sys_read8(mem_addr_t addr)
{
        return z_soc_sys_read8(addr);
}
 
static ALWAYS_INLINE void sys_write8(uint8_t data, mem_addr_t addr)
{
        z_soc_sys_write8(data, addr);
}
 
static ALWAYS_INLINE uint16_t sys_read16(mem_addr_t addr)
{
        return z_soc_sys_read16(addr);
}
 
static ALWAYS_INLINE void sys_write16(uint16_t data, mem_addr_t addr)
{
        z_soc_sys_write16(data, addr);
}
 
static ALWAYS_INLINE uint32_t sys_read32(mem_addr_t addr)
{
        return z_soc_sys_read32(addr);
}
 
static ALWAYS_INLINE void sys_write32(uint32_t data, mem_addr_t addr)
{
        z_soc_sys_write32(data, addr);
}
 
static ALWAYS_INLINE uint64_t sys_read64(mem_addr_t addr)
{
        return z_soc_sys_read64(addr);
}
 
static ALWAYS_INLINE void sys_write64(uint64_t data, mem_addr_t addr)
{
        z_soc_sys_write64(data, addr);
}
 
#endif /* CONFIG_RISCV_SOC_HAS_CUSTOM_SYS_IO */
 
#ifdef __cplusplus
}
#endif
 
#endif /* _ASMLANGUAGE */
 
#endif /* ZEPHYR_INCLUDE_ARCH_RISCV_SYS_IO_H_ */