62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
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/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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namespace android {
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namespace hardware {
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namespace boot {
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namespace V1_2 {
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namespace implementation {
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//
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// definitions taken from ABL code
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//
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constexpr uint32_t DEVINFO_MAGIC = 0x49564544;
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constexpr size_t DEVINFO_AB_SLOT_COUNT = 2;
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struct devinfo_ab_slot_data_t {
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uint8_t retry_count;
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uint8_t unbootable : 1;
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uint8_t successful : 1;
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uint8_t active : 1;
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uint8_t fastboot_ok : 1;
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uint8_t : 4;
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uint8_t unused[2];
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} __attribute__((packed));
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typedef struct {
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devinfo_ab_slot_data_t slots[DEVINFO_AB_SLOT_COUNT];
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} __attribute__((packed)) devinfo_ab_data_t;
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struct devinfo_t {
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uint32_t magic;
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uint16_t ver_major;
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uint16_t ver_minor;
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uint8_t unused[40];
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devinfo_ab_data_t ab_data;
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uint8_t unused1[72]; // use remaining up to complete 128 bytes
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} __attribute__((packed));
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static_assert(sizeof(devinfo_t) == 128, "invalid devinfo struct size");
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} // namespace implementation
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} // namespace V1_2
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} // namespace boot
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} // namespace hardware
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} // namespace android
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