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6556224e AB |
1 | ;/** @file |
2 | ; ResetSystemLib implementation using PSCI calls | |
3 | ; | |
4 | ; Copyright (c) 2018, Linaro Ltd. All rights reserved.<BR> | |
5 | ; | |
6 | ; This program and the accompanying materials | |
7 | ; are licensed and made available under the terms and conditions of the BSD License | |
8 | ; which accompanies this distribution. The full text of the license may be found at | |
9 | ; http://opensource.org/licenses/bsd-license.php | |
10 | ; | |
11 | ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
12 | ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
13 | ; | |
14 | ;**/ | |
15 | ||
16 | AREA Reset, CODE, READONLY | |
17 | ||
18 | EXPORT DisableMmuAndReenterPei | |
19 | IMPORT ArmDisableMmu | |
20 | ||
21 | DisableMmuAndReenterPei | |
22 | stp x29, x30, [sp, #-16]! | |
23 | mov x29, sp | |
24 | ||
25 | bl ArmDisableMmu | |
26 | ||
27 | ; no memory accesses after MMU and caches have been disabled | |
28 | ||
29 | movl x0, FixedPcdGet64 (PcdFvBaseAddress) | |
30 | blr x0 | |
31 | ||
32 | ; never returns | |
33 | nop | |
34 | ||
35 | END |