| /* |
| * Copyright 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #define PSCI_SYSTEM_RESET (0x84000009) |
| |
| .macro adr_l, reg:req, sym:req |
| adrp \reg, \sym |
| add \reg, \reg, :lo12:\sym |
| .endm |
| |
| .macro mov_i, reg:req, imm:req |
| movz \reg, :abs_g3:\imm |
| movk \reg, :abs_g2_nc:\imm |
| movk \reg, :abs_g1_nc:\imm |
| movk \reg, :abs_g0_nc:\imm |
| .endm |
| |
| .macro hvc_call func_id:req |
| mov_i x0, \func_id |
| hvc 0 |
| .endm |
| |
| .macro reset_or_hang |
| hvc_call PSCI_SYSTEM_RESET |
| 999: wfi |
| b 999b |
| .endm |