HID: multitouch: fix calculation of last slot field in multi-touch reports
[sfrench/cifs-2.6.git] / arch / arm64 / kernel / bpi.S
1 /*
2  * Contains CPU specific branch predictor invalidation sequences
3  *
4  * Copyright (C) 2018 ARM Ltd.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17  */
18
19 #include <linux/linkage.h>
20 #include <linux/arm-smccc.h>
21
22 .macro ventry target
23         .rept 31
24         nop
25         .endr
26         b       \target
27 .endm
28
29 .macro vectors target
30         ventry \target + 0x000
31         ventry \target + 0x080
32         ventry \target + 0x100
33         ventry \target + 0x180
34
35         ventry \target + 0x200
36         ventry \target + 0x280
37         ventry \target + 0x300
38         ventry \target + 0x380
39
40         ventry \target + 0x400
41         ventry \target + 0x480
42         ventry \target + 0x500
43         ventry \target + 0x580
44
45         ventry \target + 0x600
46         ventry \target + 0x680
47         ventry \target + 0x700
48         ventry \target + 0x780
49 .endm
50
51         .align  11
52 ENTRY(__bp_harden_hyp_vecs_start)
53         .rept 4
54         vectors __kvm_hyp_vector
55         .endr
56 ENTRY(__bp_harden_hyp_vecs_end)
57
58 ENTRY(__qcom_hyp_sanitize_link_stack_start)
59         stp     x29, x30, [sp, #-16]!
60         .rept   16
61         bl      . + 4
62         .endr
63         ldp     x29, x30, [sp], #16
64 ENTRY(__qcom_hyp_sanitize_link_stack_end)
65
66 .macro smccc_workaround_1 inst
67         sub     sp, sp, #(8 * 4)
68         stp     x2, x3, [sp, #(8 * 0)]
69         stp     x0, x1, [sp, #(8 * 2)]
70         mov     w0, #ARM_SMCCC_ARCH_WORKAROUND_1
71         \inst   #0
72         ldp     x2, x3, [sp, #(8 * 0)]
73         ldp     x0, x1, [sp, #(8 * 2)]
74         add     sp, sp, #(8 * 4)
75 .endm
76
77 ENTRY(__smccc_workaround_1_smc_start)
78         smccc_workaround_1      smc
79 ENTRY(__smccc_workaround_1_smc_end)
80
81 ENTRY(__smccc_workaround_1_hvc_start)
82         smccc_workaround_1      hvc
83 ENTRY(__smccc_workaround_1_hvc_end)