3303171462
copy from device/google/zuma/interfaces/boot
$ git log --oneline -1 interfaces/boot/
193e5e8 zuma:interfaces:boot: add aidl interface support
Bug: 265063384
Change-Id: I9b8318eee17e51f40577d7f4c6514703483b8eaa
Signed-off-by: Jason Chiu <jasoncschiu@google.com>
71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
/*
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* Copyright (C) 2019 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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#include <map>
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#include <string>
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#include <vector>
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namespace aidl::android::hardware::boot {
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#define GPT_SIGNATURE 0x5452415020494645UL
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typedef struct {
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uint8_t type_guid[16];
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uint8_t guid[16];
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uint64_t first_lba;
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uint64_t last_lba;
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uint64_t attr;
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uint16_t name[36];
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} __attribute__((packed)) gpt_entry;
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typedef struct {
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uint64_t signature;
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uint32_t revision;
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uint32_t header_size;
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uint32_t crc32;
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uint32_t reserved;
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uint64_t current_lba;
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uint64_t backup_lba;
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uint64_t first_usable_lba;
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uint64_t last_usable_lba;
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uint8_t disk_guid[16];
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uint64_t start_lba;
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uint32_t entry_count;
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uint32_t entry_size;
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uint32_t entries_crc32;
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} __attribute__((packed)) gpt_header;
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class GptUtils {
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public:
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GptUtils(const std::string dev_path);
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int Load(void);
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gpt_entry *GetPartitionEntry(std::string name);
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int Sync(void);
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~GptUtils();
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private:
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std::string dev_path;
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int fd;
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uint32_t block_size;
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gpt_header gpt_primary;
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gpt_header gpt_backup;
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std::vector<gpt_entry> entry_array;
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std::map<std::string, gpt_entry *> entries;
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};
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} // namespace aidl::android::hardware::boot
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