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git01.mediatek.com / filogic / atf / aaa6ff860112e9d11a1e060c6fab0a5e433af4fe / . / include / lib / aarch64 / arch_helpers.h
blob: f30301d179c7be5a1d93e24d846bad1281498990 [file] [log] [blame]
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]1/*
Dan Handleye83b0ca2014-01-14 18:17:09 +0000[diff] [blame]2 * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef __ARCH_HELPERS_H__
32#define __ARCH_HELPERS_H__
33
Dan Handley2bd4ef22014-04-09 13:14:54 +0100[diff] [blame]34#include <cdefs.h> /* For __dead2 */
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]35
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]36
37/*******************************************************************************
Achin Guptaa0cd9892014-02-09 13:30:38 +0000[diff] [blame]38 * Aarch64 translation tables manipulation helper prototypes
39 ******************************************************************************/
40extern unsigned long create_table_desc(unsigned long *next_table_ptr);
41extern unsigned long create_block_desc(unsigned long desc,
42 unsigned long addr,
43 unsigned int level);
44extern unsigned long create_device_block(unsigned long output_addr,
45 unsigned int level,
46 unsigned int ns);
47extern unsigned long create_romem_block(unsigned long output_addr,
48 unsigned int level,
49 unsigned int ns);
50extern unsigned long create_rwmem_block(unsigned long output_addr,
51 unsigned int level,
52 unsigned int ns);
53
54/*******************************************************************************
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]55 * TLB maintenance accessor prototypes
56 ******************************************************************************/
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]57extern void tlbialle1(void);
58extern void tlbialle1is(void);
59extern void tlbialle2(void);
60extern void tlbialle2is(void);
61extern void tlbialle3(void);
62extern void tlbialle3is(void);
63extern void tlbivmalle1(void);
64
65/*******************************************************************************
66 * Cache maintenance accessor prototypes
67 ******************************************************************************/
68extern void dcisw(unsigned long);
69extern void dccisw(unsigned long);
70extern void dccsw(unsigned long);
71extern void dccvac(unsigned long);
72extern void dcivac(unsigned long);
73extern void dccivac(unsigned long);
74extern void dccvau(unsigned long);
75extern void dczva(unsigned long);
76extern void flush_dcache_range(unsigned long, unsigned long);
77extern void inv_dcache_range(unsigned long, unsigned long);
78extern void dcsw_op_louis(unsigned int);
79extern void dcsw_op_all(unsigned int);
80
Andrew Thoelke438c63a2014-04-28 12:06:18 +0100[diff] [blame]81extern void disable_mmu_el3(void);
82extern void disable_mmu_icache_el3(void);
83
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]84/*******************************************************************************
85 * Misc. accessor prototypes
86 ******************************************************************************/
87extern void enable_irq(void);
88extern void enable_fiq(void);
89extern void enable_serror(void);
Sandrine Bailleux37382742013-11-18 17:26:59 +0000[diff] [blame]90extern void enable_debug_exceptions(void);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]91
92extern void disable_irq(void);
93extern void disable_fiq(void);
94extern void disable_serror(void);
Sandrine Bailleux37382742013-11-18 17:26:59 +0000[diff] [blame]95extern void disable_debug_exceptions(void);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]96
97extern unsigned long read_id_pfr1_el1(void);
98extern unsigned long read_id_aa64pfr0_el1(void);
99extern unsigned long read_current_el(void);
100extern unsigned long read_daif(void);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]101extern unsigned long read_spsr_el1(void);
102extern unsigned long read_spsr_el2(void);
103extern unsigned long read_spsr_el3(void);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]104extern unsigned long read_elr_el1(void);
105extern unsigned long read_elr_el2(void);
106extern unsigned long read_elr_el3(void);
107
108extern void write_daif(unsigned long);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]109extern void write_spsr_el1(unsigned long);
110extern void write_spsr_el2(unsigned long);
111extern void write_spsr_el3(unsigned long);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]112extern void write_elr_el1(unsigned long);
113extern void write_elr_el2(unsigned long);
114extern void write_elr_el3(unsigned long);
115
116extern void wfi(void);
117extern void wfe(void);
118extern void rfe(void);
119extern void sev(void);
120extern void dsb(void);
121extern void isb(void);
122
123extern unsigned int get_afflvl_shift(unsigned int);
124extern unsigned int mpidr_mask_lower_afflvls(unsigned long, unsigned int);
125
Achin Guptae4d084e2014-02-19 17:18:23 +0000[diff] [blame]126extern void __dead2 eret(unsigned long, unsigned long,
127 unsigned long, unsigned long,
128 unsigned long, unsigned long,
129 unsigned long, unsigned long);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]130
Achin Guptae4d084e2014-02-19 17:18:23 +0000[diff] [blame]131extern void __dead2 smc(unsigned long, unsigned long,
132 unsigned long, unsigned long,
133 unsigned long, unsigned long,
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]134 unsigned long, unsigned long);
135
136/*******************************************************************************
137 * System register accessor prototypes
138 ******************************************************************************/
139extern unsigned long read_midr(void);
140extern unsigned long read_mpidr(void);
141
142extern unsigned long read_scr(void);
143extern unsigned long read_hcr(void);
144
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]145extern unsigned long read_vbar_el1(void);
146extern unsigned long read_vbar_el2(void);
147extern unsigned long read_vbar_el3(void);
148
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]149extern unsigned long read_sctlr_el1(void);
150extern unsigned long read_sctlr_el2(void);
151extern unsigned long read_sctlr_el3(void);
152
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]153extern unsigned long read_actlr_el1(void);
154extern unsigned long read_actlr_el2(void);
155extern unsigned long read_actlr_el3(void);
156
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]157extern unsigned long read_esr_el1(void);
158extern unsigned long read_esr_el2(void);
159extern unsigned long read_esr_el3(void);
160
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]161extern unsigned long read_afsr0_el1(void);
162extern unsigned long read_afsr0_el2(void);
163extern unsigned long read_afsr0_el3(void);
164
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]165extern unsigned long read_afsr1_el1(void);
166extern unsigned long read_afsr1_el2(void);
167extern unsigned long read_afsr1_el3(void);
168
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]169extern unsigned long read_far_el1(void);
170extern unsigned long read_far_el2(void);
171extern unsigned long read_far_el3(void);
172
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]173extern unsigned long read_mair_el1(void);
174extern unsigned long read_mair_el2(void);
175extern unsigned long read_mair_el3(void);
176
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]177extern unsigned long read_amair_el1(void);
178extern unsigned long read_amair_el2(void);
179extern unsigned long read_amair_el3(void);
180
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]181extern unsigned long read_rvbar_el1(void);
182extern unsigned long read_rvbar_el2(void);
183extern unsigned long read_rvbar_el3(void);
184
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]185extern unsigned long read_rmr_el1(void);
186extern unsigned long read_rmr_el2(void);
187extern unsigned long read_rmr_el3(void);
188
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]189extern unsigned long read_tcr_el1(void);
190extern unsigned long read_tcr_el2(void);
191extern unsigned long read_tcr_el3(void);
192
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]193extern unsigned long read_ttbr0_el1(void);
194extern unsigned long read_ttbr0_el2(void);
195extern unsigned long read_ttbr0_el3(void);
196
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]197extern unsigned long read_ttbr1_el1(void);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]198
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]199extern unsigned long read_cptr_el2(void);
200extern unsigned long read_cptr_el3(void);
201
202extern unsigned long read_cpacr(void);
203extern unsigned long read_cpuectlr(void);
204extern unsigned int read_cntfrq_el0(void);
Achin Gupta405406d2014-05-09 12:00:17 +0100[diff] [blame]205extern unsigned int read_cntps_ctl_el1(void);
206extern unsigned int read_cntps_tval_el1(void);
207extern unsigned long read_cntps_cval_el1(void);
208extern unsigned long read_cntpct_el0(void);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]209extern unsigned long read_cnthctl_el2(void);
210
Soby Mathew5e5c2072014-04-07 15:28:55 +0100[diff] [blame]211extern unsigned long read_tpidr_el3(void);
212
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]213extern void write_scr(unsigned long);
214extern void write_hcr(unsigned long);
215extern void write_cpacr(unsigned long);
216extern void write_cntfrq_el0(unsigned int);
Achin Gupta405406d2014-05-09 12:00:17 +0100[diff] [blame]217extern void write_cntps_ctl_el1(unsigned int);
218extern void write_cntps_tval_el1(unsigned int);
219extern void write_cntps_cval_el1(unsigned long);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]220extern void write_cnthctl_el2(unsigned long);
221
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]222extern void write_vbar_el1(unsigned long);
223extern void write_vbar_el2(unsigned long);
224extern void write_vbar_el3(unsigned long);
225
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]226extern void write_sctlr_el1(unsigned long);
227extern void write_sctlr_el2(unsigned long);
228extern void write_sctlr_el3(unsigned long);
229
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]230extern void write_actlr_el1(unsigned long);
231extern void write_actlr_el2(unsigned long);
232extern void write_actlr_el3(unsigned long);
233
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]234extern void write_esr_el1(unsigned long);
235extern void write_esr_el2(unsigned long);
236extern void write_esr_el3(unsigned long);
237
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]238extern void write_afsr0_el1(unsigned long);
239extern void write_afsr0_el2(unsigned long);
240extern void write_afsr0_el3(unsigned long);
241
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]242extern void write_afsr1_el1(unsigned long);
243extern void write_afsr1_el2(unsigned long);
244extern void write_afsr1_el3(unsigned long);
245
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]246extern void write_far_el1(unsigned long);
247extern void write_far_el2(unsigned long);
248extern void write_far_el3(unsigned long);
249
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]250extern void write_mair_el1(unsigned long);
251extern void write_mair_el2(unsigned long);
252extern void write_mair_el3(unsigned long);
253
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]254extern void write_amair_el1(unsigned long);
255extern void write_amair_el2(unsigned long);
256extern void write_amair_el3(unsigned long);
257
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]258extern void write_rmr_el1(unsigned long);
259extern void write_rmr_el2(unsigned long);
260extern void write_rmr_el3(unsigned long);
261
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]262extern void write_tcr_el1(unsigned long);
263extern void write_tcr_el2(unsigned long);
264extern void write_tcr_el3(unsigned long);
265
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]266extern void write_ttbr0_el1(unsigned long);
267extern void write_ttbr0_el2(unsigned long);
268extern void write_ttbr0_el3(unsigned long);
269
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]270extern void write_ttbr1_el1(unsigned long);
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]271
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]272extern void write_cpuectlr(unsigned long);
273extern void write_cptr_el2(unsigned long);
274extern void write_cptr_el3(unsigned long);
275
Soby Mathew5e5c2072014-04-07 15:28:55 +0100[diff] [blame]276extern void write_tpidr_el3(unsigned long);
277
Sandrine Bailleux25232af2014-05-09 11:23:11 +0100[diff] [blame]278#define IS_IN_EL(x) \
279 (GET_EL(read_current_el()) == MODE_EL##x)
280
281#define IS_IN_EL1() IS_IN_EL(1)
282#define IS_IN_EL3() IS_IN_EL(3)
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]283
Soby Mathew5e5c2072014-04-07 15:28:55 +0100[diff] [blame]284
Achin Gupta4f6ad662013-10-25 09:08:21 +0100[diff] [blame]285#endif /* __ARCH_HELPERS_H__ */