Zephyr Project API 3.7.0
A Scalable Open Source RTOS
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sys_io.h
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1/*
2 * Copyright (c) 2023 Meta
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7/* Memory mapped registers I/O functions in riscv arch C code */
8
9#ifndef ZEPHYR_INCLUDE_ARCH_RISCV_SYS_IO_H_
10#define ZEPHYR_INCLUDE_ARCH_RISCV_SYS_IO_H_
11
12#ifndef _ASMLANGUAGE
13
14#include <zephyr/toolchain.h>
15#include <zephyr/types.h>
16#include <zephyr/sys/sys_io.h>
17
18#ifndef CONFIG_RISCV_SOC_HAS_CUSTOM_SYS_IO
20#endif
21
22#ifdef __cplusplus
23extern "C" {
24#endif
25
26#ifdef CONFIG_RISCV_SOC_HAS_CUSTOM_SYS_IO
27
28extern uint8_t z_soc_sys_read8(mem_addr_t addr);
29extern void z_soc_sys_write8(uint8_t data, mem_addr_t addr);
30extern uint16_t z_soc_sys_read16(mem_addr_t addr);
31extern void z_soc_sys_write16(uint16_t data, mem_addr_t addr);
32extern uint32_t z_soc_sys_read32(mem_addr_t addr);
33extern void z_soc_sys_write32(uint32_t data, mem_addr_t addr);
34extern uint64_t z_soc_sys_read64(mem_addr_t addr);
35extern void z_soc_sys_write64(uint64_t data, mem_addr_t addr);
36
38{
39 return z_soc_sys_read8(addr);
40}
41
43{
44 return z_soc_sys_write8(data, addr);
45}
46
48{
49 return z_soc_sys_read16(addr);
50}
51
53{
54 return z_soc_sys_write16(data, addr);
55}
56
58{
59 return z_soc_sys_read32(addr);
60}
61
63{
64 return z_soc_sys_write32(data, addr);
65}
66
68{
69 return z_soc_sys_read64(addr);
70}
71
73{
74 return z_soc_sys_write64(data, addr);
75}
76
77#endif /* CONFIG_RISCV_SOC_HAS_CUSTOM_SYS_IO */
78
79#ifdef __cplusplus
80}
81#endif
82
83#endif /* _ASMLANGUAGE */
84
85#endif /* ZEPHYR_INCLUDE_ARCH_RISCV_SYS_IO_H_ */
static ALWAYS_INLINE void sys_write64(uint64_t data, mem_addr_t addr)
Definition sys_io.h:95
static ALWAYS_INLINE void sys_write32(uint32_t data, mem_addr_t addr)
Definition sys_io.h:69
static ALWAYS_INLINE uint8_t sys_read8(mem_addr_t addr)
Definition sys_io.h:27
static ALWAYS_INLINE void sys_write16(uint16_t data, mem_addr_t addr)
Definition sys_io.h:53
static ALWAYS_INLINE uint32_t sys_read32(mem_addr_t addr)
Definition sys_io.h:59
static ALWAYS_INLINE uint16_t sys_read16(mem_addr_t addr)
Definition sys_io.h:43
static ALWAYS_INLINE void sys_write8(uint8_t data, mem_addr_t addr)
Definition sys_io.h:37
static ALWAYS_INLINE uint64_t sys_read64(mem_addr_t addr)
Definition sys_io.h:75
#define ALWAYS_INLINE
Definition common.h:129
__UINT32_TYPE__ uint32_t
Definition stdint.h:90
__UINT64_TYPE__ uint64_t
Definition stdint.h:91
__UINT8_TYPE__ uint8_t
Definition stdint.h:88
__UINT16_TYPE__ uint16_t
Definition stdint.h:89
uintptr_t mem_addr_t
Definition sys_io.h:21
static fdata_t data[2]
Definition test_fifo_contexts.c:15
Macros to abstract toolchain specific capabilities.