1 /*
2  * Copyright (c) 2016 Intel Corporation
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #ifndef ZEPHYR_INCLUDE_ARCH_NIOS2_ASM_INLINE_GCC_H_
8 #define ZEPHYR_INCLUDE_ARCH_NIOS2_ASM_INLINE_GCC_H_
9 
10 /*
11  * The file must not be included directly
12  * Include arch/cpu.h instead
13  */
14 
15 #ifndef _ASMLANGUAGE
16 #include <zephyr/types.h>
17 #include <zephyr/sys/sys_io.h>
18 #include <zephyr/toolchain.h>
19 
20 /* Using the *io variants of these instructions to prevent issues on
21  * devices that have an instruction/data cache
22  */
23 
sys_write32(uint32_t data,mm_reg_t addr)24 static ALWAYS_INLINE void sys_write32(uint32_t data, mm_reg_t addr)
25 {
26 	__builtin_stwio((void *)addr, data);
27 }
28 
sys_read32(mm_reg_t addr)29 static ALWAYS_INLINE uint32_t sys_read32(mm_reg_t addr)
30 {
31 	return __builtin_ldwio((void *)addr);
32 }
33 
sys_write8(uint8_t data,mm_reg_t addr)34 static ALWAYS_INLINE void sys_write8(uint8_t data, mm_reg_t addr)
35 {
36 	sys_write32(data, addr);
37 }
38 
sys_read8(mm_reg_t addr)39 static ALWAYS_INLINE uint8_t sys_read8(mm_reg_t addr)
40 {
41 	return __builtin_ldbuio((void *)addr);
42 }
43 
sys_write16(uint16_t data,mm_reg_t addr)44 static ALWAYS_INLINE void sys_write16(uint16_t data, mm_reg_t addr)
45 {
46 	sys_write32(data, addr);
47 }
48 
sys_read16(mm_reg_t addr)49 static ALWAYS_INLINE uint16_t sys_read16(mm_reg_t addr)
50 {
51 	return __builtin_ldhuio((void *)addr);
52 }
53 
54 #endif /* _ASMLANGUAGE */
55 
56 #endif /* _ASM_INLINE_GCC_PUBLIC_GCC_H */
57