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-rw-r--r--Android.bp5
-rw-r--r--boot_control/libboot_control.cpp4
-rw-r--r--bootloader_message/include/bootloader_message/bootloader_message.h6
-rw-r--r--install/Android.bp2
-rw-r--r--install/include/install/snapshot_utils.h21
-rw-r--r--install/snapshot_utils.cpp49
-rw-r--r--install/wipe_data.cpp7
-rw-r--r--update_verifier/update_verifier.cpp4
8 files changed, 95 insertions, 3 deletions
diff --git a/Android.bp b/Android.bp
index d78c3fa94..a8e032e21 100644
--- a/Android.bp
+++ b/Android.bp
@@ -58,12 +58,16 @@ cc_defaults {
],
shared_libs: [
+ "android.hardware.boot@1.0",
+ "android.hardware.boot@1.1",
"libbase",
"libbootloader_message",
"libcrypto",
"libcutils",
"libfs_mgr",
+ "liblp",
"liblog",
+ "libprotobuf-cpp-lite",
"libziparchive",
],
@@ -73,6 +77,7 @@ cc_defaults {
"libminui",
"librecovery_utils",
"libotautil",
+ "libsnapshot_nobinder",
],
}
diff --git a/boot_control/libboot_control.cpp b/boot_control/libboot_control.cpp
index 702183979..ab9ce971b 100644
--- a/boot_control/libboot_control.cpp
+++ b/boot_control/libboot_control.cpp
@@ -365,13 +365,15 @@ bool InitMiscVirtualAbMessageIfNeeded() {
return false;
}
- if (message.version == MISC_VIRTUAL_AB_MESSAGE_VERSION) {
+ if (message.version == MISC_VIRTUAL_AB_MESSAGE_VERSION &&
+ message.magic == MISC_VIRTUAL_AB_MAGIC_HEADER) {
// Already initialized.
return true;
}
message = {};
message.version = MISC_VIRTUAL_AB_MESSAGE_VERSION;
+ message.magic = MISC_VIRTUAL_AB_MAGIC_HEADER;
if (!WriteMiscVirtualAbMessage(message, &err)) {
LOG(ERROR) << "Could not write merge status: " << err;
return false;
diff --git a/bootloader_message/include/bootloader_message/bootloader_message.h b/bootloader_message/include/bootloader_message/bootloader_message.h
index a27e80bcc..9a482d423 100644
--- a/bootloader_message/include/bootloader_message/bootloader_message.h
+++ b/bootloader_message/include/bootloader_message/bootloader_message.h
@@ -189,12 +189,14 @@ static_assert(sizeof(struct bootloader_control) ==
// must be added to the end.
struct misc_virtual_ab_message {
uint8_t version;
+ uint32_t magic;
uint8_t merge_status; // IBootControl 1.1, MergeStatus enum.
uint8_t source_slot; // Slot number when merge_status was written.
- uint8_t reserved[61];
+ uint8_t reserved[57];
} __attribute__((packed));
-#define MISC_VIRTUAL_AB_MESSAGE_VERSION 1
+#define MISC_VIRTUAL_AB_MESSAGE_VERSION 2
+#define MISC_VIRTUAL_AB_MAGIC_HEADER 0x56740AB0
#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus)
static_assert(sizeof(struct misc_virtual_ab_message) == 64,
diff --git a/install/Android.bp b/install/Android.bp
index d4606e92c..be08506e5 100644
--- a/install/Android.bp
+++ b/install/Android.bp
@@ -39,6 +39,7 @@ cc_defaults {
static_libs: [
"librecovery_utils",
"libotautil",
+ "libsnapshot_nobinder",
// external dependencies
"libvintf_recovery",
@@ -60,6 +61,7 @@ cc_library_static {
"fuse_install.cpp",
"install.cpp",
"package.cpp",
+ "snapshot_utils.cpp",
"verifier.cpp",
"wipe_data.cpp",
"wipe_device.cpp",
diff --git a/install/include/install/snapshot_utils.h b/install/include/install/snapshot_utils.h
new file mode 100644
index 000000000..00c3ef7e1
--- /dev/null
+++ b/install/include/install/snapshot_utils.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2019 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
+ *
+ * http://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
+
+#include "recovery_ui/device.h"
+
+bool FinishPendingSnapshotMerges(Device* device);
diff --git a/install/snapshot_utils.cpp b/install/snapshot_utils.cpp
new file mode 100644
index 000000000..69da5eea0
--- /dev/null
+++ b/install/snapshot_utils.cpp
@@ -0,0 +1,49 @@
+
+/*
+ * Copyright (C) 2019 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
+ *
+ * http://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.
+ */
+
+#include <android-base/properties.h>
+#include <libsnapshot/snapshot.h>
+
+#include "recovery_ui/device.h"
+#include "recovery_ui/ui.h"
+#include "recovery_utils/roots.h"
+
+using android::snapshot::SnapshotManager;
+
+bool FinishPendingSnapshotMerges(Device* device) {
+ if (!android::base::GetBoolProperty("ro.virtual_ab.enabled", false)) {
+ return true;
+ }
+
+ RecoveryUI* ui = device->GetUI();
+ auto sm = SnapshotManager::NewForFirstStageMount();
+ if (!sm) {
+ ui->Print("Could not create SnapshotManager.\n");
+ return false;
+ }
+
+ auto callback = [&]() -> void {
+ double progress;
+ sm->GetUpdateState(&progress);
+ ui->Print("Waiting for merge to complete: %.2f\n", progress);
+ };
+ if (!sm->HandleImminentDataWipe(callback)) {
+ ui->Print("Unable to check merge status and/or complete update merge.\n");
+ return false;
+ }
+ return true;
+}
diff --git a/install/wipe_data.cpp b/install/wipe_data.cpp
index 82660bef0..287208583 100644
--- a/install/wipe_data.cpp
+++ b/install/wipe_data.cpp
@@ -27,6 +27,7 @@
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
+#include "install/snapshot_utils.h"
#include "otautil/dirutil.h"
#include "recovery_ui/ui.h"
#include "recovery_utils/logging.h"
@@ -104,6 +105,12 @@ bool WipeCache(RecoveryUI* ui, const std::function<bool()>& confirm_func) {
bool WipeData(Device* device, bool convert_fbe) {
RecoveryUI* ui = device->GetUI();
ui->Print("\n-- Wiping data...\n");
+
+ if (!FinishPendingSnapshotMerges(device)) {
+ ui->Print("Unable to check update status or complete merge, cannot wipe partitions.\n");
+ return false;
+ }
+
bool success = device->PreWipeData();
if (success) {
success &= EraseVolume(DATA_ROOT, ui, convert_fbe);
diff --git a/update_verifier/update_verifier.cpp b/update_verifier/update_verifier.cpp
index d04c455d8..a042f9008 100644
--- a/update_verifier/update_verifier.cpp
+++ b/update_verifier/update_verifier.cpp
@@ -371,6 +371,10 @@ int update_verifier(int argc, char** argv) {
return reboot_device();
}
LOG(INFO) << "Marked slot " << current_slot << " as booted successfully.";
+ // Clears the warm reset flag for next reboot.
+ if (!android::base::SetProperty("ota.warm_reset", "0")) {
+ LOG(WARNING) << "Failed to reset the warm reset flag";
+ }
} else {
LOG(INFO) << "Deferred marking slot " << current_slot << " as booted successfully.";
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 02:13:50 +0100