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ec52ee18 WD |
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 | ||
21 | .macro ventry target | |
22 | .rept 31 | |
23 | nop | |
24 | .endr | |
25 | b \target | |
26 | .endm | |
27 | ||
28 | .macro vectors target | |
29 | ventry \target + 0x000 | |
30 | ventry \target + 0x080 | |
31 | ventry \target + 0x100 | |
32 | ventry \target + 0x180 | |
33 | ||
34 | ventry \target + 0x200 | |
35 | ventry \target + 0x280 | |
36 | ventry \target + 0x300 | |
37 | ventry \target + 0x380 | |
38 | ||
39 | ventry \target + 0x400 | |
40 | ventry \target + 0x480 | |
41 | ventry \target + 0x500 | |
42 | ventry \target + 0x580 | |
43 | ||
44 | ventry \target + 0x600 | |
45 | ventry \target + 0x680 | |
46 | ventry \target + 0x700 | |
47 | ventry \target + 0x780 | |
48 | .endm | |
49 | ||
50 | .align 11 | |
51 | ENTRY(__bp_harden_hyp_vecs_start) | |
52 | .rept 4 | |
53 | vectors __kvm_hyp_vector | |
54 | .endr | |
55 | ENTRY(__bp_harden_hyp_vecs_end) | |
f2f427ad WD |
56 | ENTRY(__psci_hyp_bp_inval_start) |
57 | sub sp, sp, #(8 * 18) | |
58 | stp x16, x17, [sp, #(16 * 0)] | |
59 | stp x14, x15, [sp, #(16 * 1)] | |
60 | stp x12, x13, [sp, #(16 * 2)] | |
61 | stp x10, x11, [sp, #(16 * 3)] | |
62 | stp x8, x9, [sp, #(16 * 4)] | |
63 | stp x6, x7, [sp, #(16 * 5)] | |
64 | stp x4, x5, [sp, #(16 * 6)] | |
65 | stp x2, x3, [sp, #(16 * 7)] | |
66 | stp x0, x1, [sp, #(16 * 8)] | |
67 | mov x0, #0x84000000 | |
68 | smc #0 | |
69 | ldp x16, x17, [sp, #(16 * 0)] | |
70 | ldp x14, x15, [sp, #(16 * 1)] | |
71 | ldp x12, x13, [sp, #(16 * 2)] | |
72 | ldp x10, x11, [sp, #(16 * 3)] | |
73 | ldp x8, x9, [sp, #(16 * 4)] | |
74 | ldp x6, x7, [sp, #(16 * 5)] | |
75 | ldp x4, x5, [sp, #(16 * 6)] | |
76 | ldp x2, x3, [sp, #(16 * 7)] | |
77 | ldp x0, x1, [sp, #(16 * 8)] | |
78 | add sp, sp, #(8 * 18) | |
79 | ENTRY(__psci_hyp_bp_inval_end) |