xref: /openbmc/u-boot/arch/xtensa/lib/misc.S (revision be059e88) 
1/*
2 * Miscellaneous assembly functions.
3 *
4 * Copyright (C) 2001 - 2007 Tensilica Inc.
5 * Copyright (C) 2014 - 2016 Cadence Design Systems Inc.
6 *
7 * Chris Zankel	<chris@zankel.net>
8 *
9 * SPDX-License-Identifier:	GPL-2.0+
10 */
11
12
13#include <linux/linkage.h>
14#include <asm/asmmacro.h>
15#include <asm/cacheasm.h>
16
17/*
18 * void __invalidate_icache_page(ulong start)
19 */
20
21ENTRY(__invalidate_icache_page)
22
23	abi_entry
24
25	___invalidate_icache_page a2 a3
26	isync
27
28	abi_ret
29
30ENDPROC(__invalidate_icache_page)
31
32/*
33 * void __invalidate_dcache_page(ulong start)
34 */
35
36ENTRY(__invalidate_dcache_page)
37
38	abi_entry
39
40	___invalidate_dcache_page a2 a3
41	dsync
42
43	abi_ret
44
45ENDPROC(__invalidate_dcache_page)
46
47/*
48 * void __flush_invalidate_dcache_page(ulong start)
49 */
50
51ENTRY(__flush_invalidate_dcache_page)
52
53	abi_entry
54
55	___flush_invalidate_dcache_page a2 a3
56
57	dsync
58	abi_ret
59
60ENDPROC(__flush_invalidate_dcache_page)
61
62/*
63 * void __flush_dcache_page(ulong start)
64 */
65
66ENTRY(__flush_dcache_page)
67
68	abi_entry
69
70	___flush_dcache_page a2 a3
71
72	dsync
73	abi_ret
74
75ENDPROC(__flush_dcache_page)
76
77/*
78 * void __invalidate_icache_range(ulong start, ulong size)
79 */
80
81ENTRY(__invalidate_icache_range)
82
83	abi_entry
84
85	___invalidate_icache_range a2 a3 a4
86	isync
87
88	abi_ret
89
90ENDPROC(__invalidate_icache_range)
91
92/*
93 * void __flush_invalidate_dcache_range(ulong start, ulong size)
94 */
95
96ENTRY(__flush_invalidate_dcache_range)
97
98	abi_entry
99
100	___flush_invalidate_dcache_range a2 a3 a4
101	dsync
102
103	abi_ret
104
105ENDPROC(__flush_invalidate_dcache_range)
106
107/*
108 * void _flush_dcache_range(ulong start, ulong size)
109 */
110
111ENTRY(__flush_dcache_range)
112
113	abi_entry
114
115	___flush_dcache_range a2 a3 a4
116	dsync
117
118	abi_ret
119
120ENDPROC(__flush_dcache_range)
121
122/*
123 * void _invalidate_dcache_range(ulong start, ulong size)
124 */
125
126ENTRY(__invalidate_dcache_range)
127
128	abi_entry
129
130	___invalidate_dcache_range a2 a3 a4
131
132	abi_ret
133
134ENDPROC(__invalidate_dcache_range)
135
136/*
137 * void _invalidate_icache_all(void)
138 */
139
140ENTRY(__invalidate_icache_all)
141
142	abi_entry
143
144	___invalidate_icache_all a2 a3
145	isync
146
147	abi_ret
148
149ENDPROC(__invalidate_icache_all)
150
151/*
152 * void _flush_invalidate_dcache_all(void)
153 */
154
155ENTRY(__flush_invalidate_dcache_all)
156
157	abi_entry
158
159	___flush_invalidate_dcache_all a2 a3
160	dsync
161
162	abi_ret
163
164ENDPROC(__flush_invalidate_dcache_all)
165
166/*
167 * void _invalidate_dcache_all(void)
168 */
169
170ENTRY(__invalidate_dcache_all)
171
172	abi_entry
173
174	___invalidate_dcache_all a2 a3
175	dsync
176
177	abi_ret
178
179ENDPROC(__invalidate_dcache_all)
180