| Jason Chiu | 3303171 | 2023-11-27 16:52:08 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2021 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 | * http://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 | |
| 19 | namespace aidl::android::hardware::boot { |
| 20 | |
| 21 | // |
| 22 | // definitions taken from ABL code |
| 23 | // |
| 24 | |
| 25 | constexpr uint32_t DEVINFO_MAGIC = 0x49564544; |
| 26 | constexpr size_t DEVINFO_AB_SLOT_COUNT = 2; |
| 27 | |
| 28 | struct devinfo_ab_slot_data_t { |
| 29 | uint8_t retry_count; |
| 30 | uint8_t unbootable : 1; |
| 31 | uint8_t successful : 1; |
| 32 | uint8_t active : 1; |
| 33 | uint8_t fastboot_ok : 1; |
| 34 | uint8_t : 4; |
| 35 | uint8_t unused[2]; |
| 36 | } __attribute__((packed)); |
| 37 | |
| 38 | typedef struct { |
| 39 | devinfo_ab_slot_data_t slots[DEVINFO_AB_SLOT_COUNT]; |
| 40 | } __attribute__((packed)) devinfo_ab_data_t; |
| 41 | |
| 42 | struct devinfo_t { |
| 43 | uint32_t magic; |
| 44 | uint16_t ver_major; |
| 45 | uint16_t ver_minor; |
| 46 | uint8_t unused[40]; |
| 47 | devinfo_ab_data_t ab_data; |
| 48 | uint8_t unused1[72]; // use remaining up to complete 128 bytes |
| 49 | } __attribute__((packed)); |
| 50 | |
| 51 | static_assert(sizeof(devinfo_t) == 128, "invalid devinfo struct size"); |
| 52 | |
| 53 | } // namespace aidl::android::hardware::boot |