Home | History | Annotate | Download | only in fastboot
      1 /*
      2  * Copyright (C) 2018 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 #include "fastboot.h"
     18 
     19 #include <stdio.h>
     20 #include <stdlib.h>
     21 
     22 #include <algorithm>
     23 #include <string>
     24 #include <vector>
     25 
     26 #include <android-base/logging.h>
     27 #include <android-base/properties.h>
     28 #include <bootloader_message/bootloader_message.h>
     29 
     30 #include "recovery_ui/ui.h"
     31 
     32 static const std::vector<std::pair<std::string, Device::BuiltinAction>> kFastbootMenuActions{
     33   { "Reboot system now", Device::REBOOT },
     34   { "Enter recovery", Device::ENTER_RECOVERY },
     35   { "Reboot to bootloader", Device::REBOOT_BOOTLOADER },
     36   { "Power off", Device::SHUTDOWN },
     37 };
     38 
     39 Device::BuiltinAction StartFastboot(Device* device, const std::vector<std::string>& /* args */) {
     40   RecoveryUI* ui = device->GetUI();
     41 
     42   std::vector<std::string> title_lines = { "Android Fastboot" };
     43   title_lines.push_back("Product name - " + android::base::GetProperty("ro.product.device", ""));
     44   title_lines.push_back("Bootloader version - " + android::base::GetProperty("ro.bootloader", ""));
     45   title_lines.push_back("Baseband version - " +
     46                         android::base::GetProperty("ro.build.expect.baseband", ""));
     47   title_lines.push_back("Serial number - " + android::base::GetProperty("ro.serialno", ""));
     48   title_lines.push_back(std::string("Secure boot - ") +
     49                         ((android::base::GetProperty("ro.secure", "") == "1") ? "yes" : "no"));
     50   title_lines.push_back("HW version - " + android::base::GetProperty("ro.revision", ""));
     51 
     52   ui->ResetKeyInterruptStatus();
     53   ui->SetTitle(title_lines);
     54   ui->ShowText(true);
     55 
     56   // Reset to normal system boot so recovery won't cycle indefinitely.
     57   // TODO(b/112277594) Clear only if 'recovery' field of BCB is empty. If not,
     58   // set the 'command' field of BCB to 'boot-recovery' so the next boot is into recovery
     59   // to finish any interrupted tasks.
     60   std::string err;
     61   if (!clear_bootloader_message(&err)) {
     62     LOG(ERROR) << "Failed to clear BCB message: " << err;
     63   }
     64 
     65   std::vector<std::string> fastboot_menu_items;
     66   std::transform(kFastbootMenuActions.cbegin(), kFastbootMenuActions.cend(),
     67                  std::back_inserter(fastboot_menu_items),
     68                  [](const auto& entry) { return entry.first; });
     69 
     70   auto chosen_item = ui->ShowMenu(
     71       {}, fastboot_menu_items, 0, false,
     72       std::bind(&Device::HandleMenuKey, device, std::placeholders::_1, std::placeholders::_2));
     73 
     74   if (chosen_item == static_cast<size_t>(RecoveryUI::KeyError::INTERRUPTED)) {
     75     return Device::KEY_INTERRUPTED;
     76   }
     77   if (chosen_item == static_cast<size_t>(RecoveryUI::KeyError::TIMED_OUT)) {
     78     return Device::BuiltinAction::NO_ACTION;
     79   }
     80   return kFastbootMenuActions[chosen_item].second;
     81 }
     82