Merge "Add IBootControl 1.1 support to libboot_control." am: 47bb0c8b59 am: 1cde53c252 am: 4c60b113b1
am: b3a599342d
Change-Id: I669d944c56cfb5f3de2b65e4a68e7eca74176306
diff --git a/boot_control/Android.bp b/boot_control/Android.bp
index f6a6ced..b2e68df 100644
--- a/boot_control/Android.bp
+++ b/boot_control/Android.bp
@@ -28,6 +28,7 @@
],
shared_libs: [
+ "android.hardware.boot@1.1",
"libbase",
"liblog",
],
diff --git a/boot_control/include/libboot_control/libboot_control.h b/boot_control/include/libboot_control/libboot_control.h
index 6582d02..34a9aff 100644
--- a/boot_control/include/libboot_control/libboot_control.h
+++ b/boot_control/include/libboot_control/libboot_control.h
@@ -18,11 +18,15 @@
#include <string>
+#include <android/hardware/boot/1.1/IBootControl.h>
+
namespace android {
namespace bootable {
// Helper library to implement the IBootControl HAL using the misc partition.
class BootControl {
+ using MergeStatus = ::android::hardware::boot::V1_1::MergeStatus;
+
public:
bool Init();
unsigned int GetNumberSlots();
@@ -34,6 +38,10 @@
bool IsSlotBootable(unsigned int slot);
const char* GetSuffix(unsigned int slot);
bool IsSlotMarkedSuccessful(unsigned int slot);
+ bool SetSnapshotMergeStatus(MergeStatus status);
+ MergeStatus GetSnapshotMergeStatus();
+
+ bool IsValidSlot(unsigned int slot);
const std::string& misc_device() const {
return misc_device_;
diff --git a/boot_control/libboot_control.cpp b/boot_control/libboot_control.cpp
index 89cf878..e3bff9f 100644
--- a/boot_control/libboot_control.cpp
+++ b/boot_control/libboot_control.cpp
@@ -34,6 +34,8 @@
namespace android {
namespace bootable {
+using ::android::hardware::boot::V1_1::MergeStatus;
+
// The number of boot attempts that should be made from a new slot before
// rolling back to the previous slot.
constexpr unsigned int kDefaultBootAttempts = 7;
@@ -327,6 +329,25 @@
return bootctrl.slot_info[slot].successful_boot && bootctrl.slot_info[slot].tries_remaining;
}
+bool BootControl::IsValidSlot(unsigned int slot) {
+ return slot < kMaxNumSlots && slot < num_slots_;
+}
+
+bool BootControl::SetSnapshotMergeStatus(MergeStatus status) {
+ bootloader_control bootctrl;
+ if (!LoadBootloaderControl(misc_device_, &bootctrl)) return false;
+
+ bootctrl.merge_status = (unsigned int)status;
+ return UpdateAndSaveBootloaderControl(misc_device_, &bootctrl);
+}
+
+MergeStatus BootControl::GetSnapshotMergeStatus() {
+ bootloader_control bootctrl;
+ if (!LoadBootloaderControl(misc_device_, &bootctrl)) return MergeStatus::UNKNOWN;
+
+ return (MergeStatus)bootctrl.merge_status;
+}
+
const char* BootControl::GetSuffix(unsigned int slot) {
if (slot >= kMaxNumSlots || slot >= num_slots_) {
return nullptr;
diff --git a/bootloader_message/include/bootloader_message/bootloader_message.h b/bootloader_message/include/bootloader_message/bootloader_message.h
index 5c0a450..b787830 100644
--- a/bootloader_message/include/bootloader_message/bootloader_message.h
+++ b/bootloader_message/include/bootloader_message/bootloader_message.h
@@ -163,8 +163,10 @@
uint8_t nb_slot : 3;
// Number of times left attempting to boot recovery.
uint8_t recovery_tries_remaining : 3;
+ // Status of any pending snapshot merge of dynamic partitions.
+ uint8_t merge_status : 3;
// Ensure 4-bytes alignment for slot_info field.
- uint8_t reserved0[2];
+ uint8_t reserved0[1];
// Per-slot information. Up to 4 slots.
struct slot_metadata slot_info[4];
// Reserved for further use.