1 /*
2 * Copyright (c) 2006-2018, RT-Thread Development Team
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Change Logs:
7 * Date Author Notes
8 * 2019-03-29 quanzhao the first version
9 */
10 #include <rthw.h>
11 #include <rtdef.h>
12
13 void __asm_invalidate_icache_all(void);
14 void __asm_flush_dcache_all(void);
15 void __asm_flush_dcache_range(rt_size_t start, rt_size_t end);
16 void __asm_invalidate_dcache_range(rt_size_t start, rt_size_t end);
17 void __asm_invalidate_icache_range(rt_size_t start, rt_size_t end);
18 void __asm_invalidate_dcache_all(void);
19 void __asm_invalidate_icache_all(void);
20
rt_cpu_icache_line_size(void)21 rt_inline rt_uint32_t rt_cpu_icache_line_size(void)
22 {
23 return 0;
24 }
25
rt_cpu_dcache_line_size(void)26 rt_inline rt_uint32_t rt_cpu_dcache_line_size(void)
27 {
28 return 0;
29 }
30
rt_hw_cpu_icache_invalidate(void * addr,rt_size_t size)31 void rt_hw_cpu_icache_invalidate(void *addr, rt_size_t size)
32 {
33 __asm_invalidate_icache_range((rt_size_t)addr, (rt_size_t)addr + size);
34 }
35
rt_hw_cpu_dcache_invalidate(void * addr,rt_size_t size)36 void rt_hw_cpu_dcache_invalidate(void *addr, rt_size_t size)
37 {
38 __asm_invalidate_dcache_range((rt_size_t)addr, (rt_size_t)addr + size);
39 }
40
rt_hw_cpu_dcache_clean(void * addr,rt_size_t size)41 void rt_hw_cpu_dcache_clean(void *addr, rt_size_t size)
42 {
43 __asm_flush_dcache_range((rt_size_t)addr, (rt_size_t)addr + size);
44 }
45
rt_hw_cpu_dcache_clean_and_invalidate(void * addr,rt_size_t size)46 void rt_hw_cpu_dcache_clean_and_invalidate(void *addr, rt_size_t size)
47 {
48 __asm_flush_dcache_range((rt_size_t)addr, (rt_size_t)addr + size);
49 }
50
rt_hw_cpu_icache_ops(int ops,void * addr,int size)51 void rt_hw_cpu_icache_ops(int ops, void *addr, int size)
52 {
53 if (ops == RT_HW_CACHE_INVALIDATE)
54 {
55 rt_hw_cpu_icache_invalidate(addr, size);
56 }
57 }
58
rt_hw_cpu_dcache_ops(int ops,void * addr,int size)59 void rt_hw_cpu_dcache_ops(int ops, void *addr, int size)
60 {
61 if (ops == RT_HW_CACHE_FLUSH)
62 {
63 rt_hw_cpu_dcache_clean(addr, size);
64 }
65 else if (ops == RT_HW_CACHE_INVALIDATE)
66 {
67 rt_hw_cpu_dcache_invalidate(addr, size);
68 }
69 }
70
rt_hw_cpu_icache_status(void)71 rt_base_t rt_hw_cpu_icache_status(void)
72 {
73 return 0;
74 }
75
rt_hw_cpu_dcache_status(void)76 rt_base_t rt_hw_cpu_dcache_status(void)
77 {
78 return 0;
79 }
80