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@@ -2,7 +2,7 @@
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* This is from the Android Project,
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* Repository: https://android.googlesource.com/platform/bootable/recovery
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* File: bootloader_message/include/bootloader_message/bootloader_message.h
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- * Commit: c784ce50e8c10eaf70e1f97e24e8324aef45faf5
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+ * Commit: See U-Boot commit description
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*
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* Copyright (C) 2008 The Android Open Source Project
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*
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@@ -12,18 +12,24 @@
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#ifndef __ANDROID_BOOTLOADER_MESSAGE_H
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#define __ANDROID_BOOTLOADER_MESSAGE_H
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+#ifndef __UBOOT__
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+#include <assert.h>
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+#include <stddef.h>
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+#include <stdint.h>
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+#else
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/* compiler.h defines the types that otherwise are included from stdint.h and
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* stddef.h
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*/
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#include <compiler.h>
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+#endif
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-/* Spaces used by misc partition are as below:
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- * 0 - 2K For bootloader_message
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- * 2K - 16K Used by Vendor's bootloader (the 2K - 4K range may be optionally used
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- * as bootloader_message_ab struct)
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- * 16K - 64K Used by uncrypt and recovery to store wipe_package for A/B devices
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- * Note that these offsets are admitted by bootloader,recovery and uncrypt, so they
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- * are not configurable without changing all of them. */
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+// Spaces used by misc partition are as below:
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+// 0 - 2K For bootloader_message
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+// 2K - 16K Used by Vendor's bootloader (the 2K - 4K range may be optionally used
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+// as bootloader_message_ab struct)
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+// 16K - 64K Used by uncrypt and recovery to store wipe_package for A/B devices
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+// Note that these offsets are admitted by bootloader,recovery and uncrypt, so they
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+// are not configurable without changing all of them.
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static const size_t BOOTLOADER_MESSAGE_OFFSET_IN_MISC = 0;
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static const size_t WIPE_PACKAGE_OFFSET_IN_MISC = 16 * 1024;
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@@ -61,17 +67,17 @@ struct bootloader_message {
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char status[32];
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char recovery[768];
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- /* The 'recovery' field used to be 1024 bytes. It has only ever
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- * been used to store the recovery command line, so 768 bytes
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- * should be plenty. We carve off the last 256 bytes to store the
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- * stage string (for multistage packages) and possible future
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- * expansion. */
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+ // The 'recovery' field used to be 1024 bytes. It has only ever
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+ // been used to store the recovery command line, so 768 bytes
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+ // should be plenty. We carve off the last 256 bytes to store the
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+ // stage string (for multistage packages) and possible future
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+ // expansion.
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char stage[32];
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- /* The 'reserved' field used to be 224 bytes when it was initially
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- * carved off from the 1024-byte recovery field. Bump it up to
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- * 1184-byte so that the entire bootloader_message struct rounds up
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- * to 2048-byte. */
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+ // The 'reserved' field used to be 224 bytes when it was initially
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+ // carved off from the 1024-byte recovery field. Bump it up to
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+ // 1184-byte so that the entire bootloader_message struct rounds up
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+ // to 2048-byte.
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char reserved[1184];
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};
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@@ -79,10 +85,12 @@ struct bootloader_message {
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* We must be cautious when changing the bootloader_message struct size,
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* because A/B-specific fields may end up with different offsets.
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*/
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+#ifndef __UBOOT__
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#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus)
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static_assert(sizeof(struct bootloader_message) == 2048,
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"struct bootloader_message size changes, which may break A/B devices");
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#endif
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+#endif /* __UBOOT__ */
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/**
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* The A/B-specific bootloader message structure (4-KiB).
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@@ -108,7 +116,7 @@ struct bootloader_message_ab {
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char slot_suffix[32];
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char update_channel[128];
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- /* Round up the entire struct to 4096-byte. */
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+ // Round up the entire struct to 4096-byte.
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char reserved[1888];
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};
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@@ -116,26 +124,28 @@ struct bootloader_message_ab {
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* Be cautious about the struct size change, in case we put anything post
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* bootloader_message_ab struct (b/29159185).
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*/
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+#ifndef __UBOOT__
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#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus)
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static_assert(sizeof(struct bootloader_message_ab) == 4096,
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"struct bootloader_message_ab size changes");
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#endif
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+#endif /* __UBOOT__ */
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#define BOOT_CTRL_MAGIC 0x42414342 /* Bootloader Control AB */
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#define BOOT_CTRL_VERSION 1
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struct slot_metadata {
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- /* Slot priority with 15 meaning highest priority, 1 lowest
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- * priority and 0 the slot is unbootable. */
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+ // Slot priority with 15 meaning highest priority, 1 lowest
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+ // priority and 0 the slot is unbootable.
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uint8_t priority : 4;
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- /* Number of times left attempting to boot this slot. */
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+ // Number of times left attempting to boot this slot.
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uint8_t tries_remaining : 3;
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- /* 1 if this slot has booted successfully, 0 otherwise. */
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+ // 1 if this slot has booted successfully, 0 otherwise.
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uint8_t successful_boot : 1;
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- /* 1 if this slot is corrupted from a dm-verity corruption, 0
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- * otherwise. */
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+ // 1 if this slot is corrupted from a dm-verity corruption, 0
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+ // otherwise.
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uint8_t verity_corrupted : 1;
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- /* Reserved for further use. */
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+ // Reserved for further use.
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uint8_t reserved : 7;
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} __attribute__((packed));
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@@ -148,99 +158,99 @@ struct slot_metadata {
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* mandatory.
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*/
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struct bootloader_control {
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- /* NUL terminated active slot suffix. */
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+ // NUL terminated active slot suffix.
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char slot_suffix[4];
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- /* Bootloader Control AB magic number (see BOOT_CTRL_MAGIC). */
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+ // Bootloader Control AB magic number (see BOOT_CTRL_MAGIC).
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uint32_t magic;
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- /* Version of struct being used (see BOOT_CTRL_VERSION). */
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+ // Version of struct being used (see BOOT_CTRL_VERSION).
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uint8_t version;
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- /* Number of slots being managed. */
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+ // Number of slots being managed.
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uint8_t nb_slot : 3;
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- /* Number of times left attempting to boot recovery. */
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+ // Number of times left attempting to boot recovery.
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uint8_t recovery_tries_remaining : 3;
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- /* Ensure 4-bytes alignment for slot_info field. */
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+ // Ensure 4-bytes alignment for slot_info field.
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uint8_t reserved0[2];
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- /* Per-slot information. Up to 4 slots. */
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+ // Per-slot information. Up to 4 slots.
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struct slot_metadata slot_info[4];
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- /* Reserved for further use. */
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+ // Reserved for further use.
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uint8_t reserved1[8];
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- /* CRC32 of all 28 bytes preceding this field (little endian
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- * format). */
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+ // CRC32 of all 28 bytes preceding this field (little endian
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+ // format).
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uint32_t crc32_le;
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} __attribute__((packed));
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+#ifndef __UBOOT__
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#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus)
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static_assert(sizeof(struct bootloader_control) ==
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sizeof(((struct bootloader_message_ab *)0)->slot_suffix),
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"struct bootloader_control has wrong size");
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#endif
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+#endif /* __UBOOT__ */
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#ifndef __UBOOT__
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-
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#ifdef __cplusplus
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#include <string>
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#include <vector>
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-/* Return the block device name for the bootloader message partition and waits
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- * for the device for up to 10 seconds. In case of error returns the empty
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- * string. */
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+// Return the block device name for the bootloader message partition and waits
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+// for the device for up to 10 seconds. In case of error returns the empty
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+// string.
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std::string get_bootloader_message_blk_device(std::string* err);
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-/* Read bootloader message into boot. Error message will be set in err. */
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+// Read bootloader message into boot. Error message will be set in err.
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bool read_bootloader_message(bootloader_message* boot, std::string* err);
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-/* Read bootloader message from the specified misc device into boot. */
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+// Read bootloader message from the specified misc device into boot.
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bool read_bootloader_message_from(bootloader_message* boot, const std::string& misc_blk_device,
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std::string* err);
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-/* Write bootloader message to BCB. */
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+// Write bootloader message to BCB.
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bool write_bootloader_message(const bootloader_message& boot, std::string* err);
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-/* Write bootloader message to the specified BCB device. */
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+// Write bootloader message to the specified BCB device.
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bool write_bootloader_message_to(const bootloader_message& boot,
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const std::string& misc_blk_device, std::string* err);
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-/* Write bootloader message (boots into recovery with the options) to BCB. Will
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- * set the command and recovery fields, and reset the rest. */
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+// Write bootloader message (boots into recovery with the options) to BCB. Will
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+// set the command and recovery fields, and reset the rest.
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bool write_bootloader_message(const std::vector<std::string>& options, std::string* err);
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-/* Write bootloader message (boots into recovery with the options) to the specific BCB device. Will
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- * set the command and recovery fields, and reset the rest. */
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+// Write bootloader message (boots into recovery with the options) to the specific BCB device. Will
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+// set the command and recovery fields, and reset the rest.
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bool write_bootloader_message_to(const std::vector<std::string>& options,
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const std::string& misc_blk_device, std::string* err);
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-/* Update bootloader message (boots into recovery with the options) to BCB. Will
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- * only update the command and recovery fields. */
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+// Update bootloader message (boots into recovery with the options) to BCB. Will
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+// only update the command and recovery fields.
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bool update_bootloader_message(const std::vector<std::string>& options, std::string* err);
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-/* Update bootloader message (boots into recovery with the |options|) in |boot|. Will only update
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- * the command and recovery fields. */
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+// Update bootloader message (boots into recovery with the |options|) in |boot|. Will only update
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+// the command and recovery fields.
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bool update_bootloader_message_in_struct(bootloader_message* boot,
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const std::vector<std::string>& options);
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-/* Clear BCB. */
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+// Clear BCB.
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bool clear_bootloader_message(std::string* err);
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-/* Writes the reboot-bootloader reboot reason to the bootloader_message. */
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+// Writes the reboot-bootloader reboot reason to the bootloader_message.
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bool write_reboot_bootloader(std::string* err);
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-/* Read the wipe package from BCB (from offset WIPE_PACKAGE_OFFSET_IN_MISC). */
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+// Read the wipe package from BCB (from offset WIPE_PACKAGE_OFFSET_IN_MISC).
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bool read_wipe_package(std::string* package_data, size_t size, std::string* err);
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-/* Write the wipe package into BCB (to offset WIPE_PACKAGE_OFFSET_IN_MISC). */
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+// Write the wipe package into BCB (to offset WIPE_PACKAGE_OFFSET_IN_MISC).
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bool write_wipe_package(const std::string& package_data, std::string* err);
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#else
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#include <stdbool.h>
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-/* C Interface. */
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+// C Interface.
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bool write_bootloader_message(const char* options);
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bool write_reboot_bootloader(void);
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-#endif /* ifdef __cplusplus */
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-
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+#endif // ifdef __cplusplus
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#endif /* __UBOOT__ */
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#endif /* __ANDROID_BOOTLOADER_MESSAGE_H */
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