| Pierre-Clément Tosi | e328f4a | 2022-10-27 11:43:10 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2022 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * https://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #pragma once |
| 18 | |
| Pierre-Clément Tosi | 4ee68e2 | 2022-10-27 12:17:38 +0100 | [diff] [blame] | 19 | #define PSCI_SYSTEM_RESET (0x84000009) |
| 20 | |
| Pierre-Clément Tosi | e328f4a | 2022-10-27 11:43:10 +0100 | [diff] [blame] | 21 | .macro adr_l, reg:req, sym:req |
| 22 | adrp \reg, \sym |
| 23 | add \reg, \reg, :lo12:\sym |
| 24 | .endm |
| 25 | |
| 26 | .macro mov_i, reg:req, imm:req |
| 27 | movz \reg, :abs_g3:\imm |
| 28 | movk \reg, :abs_g2_nc:\imm |
| 29 | movk \reg, :abs_g1_nc:\imm |
| 30 | movk \reg, :abs_g0_nc:\imm |
| 31 | .endm |
| Pierre-Clément Tosi | 4ee68e2 | 2022-10-27 12:17:38 +0100 | [diff] [blame] | 32 | |
| 33 | .macro reset_or_hang |
| 34 | mov_i x0, PSCI_SYSTEM_RESET |
| 35 | hvc 0 |
| 36 | 999: wfi |
| 37 | b 999b |
| 38 | .endm |