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authorDavid Zeuthen <zeuthen@google.com>2015-09-03 17:10:55 +0200
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-09-03 17:10:55 +0200
commit4c223f4e396e1b66a945601561fce4cd63fc31ae (patch)
treee80df087332a6380b4fb55e070d7d6e51345024d /bootloader.h
parentMerge "updater: Clean up C codes." (diff)
parentAdd slot_suffix field to struct bootloader_message. (diff)
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Diffstat (limited to 'bootloader.h')
-rw-r--r--bootloader.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/bootloader.h b/bootloader.h
index 4e9fb0a0d..742a4abfb 100644
--- a/bootloader.h
+++ b/bootloader.h
@@ -39,6 +39,13 @@
* multiple times, so that the UI can reflect which invocation of the
* package it is. If the value is of the format "#/#" (eg, "1/3"),
* the UI will add a simple indicator of that status.
+ *
+ * The slot_suffix field is used for A/B implementations where the
+ * bootloader does not set the androidboot.ro.boot.slot_suffix kernel
+ * commandline parameter. This is used by fs_mgr to mount /system and
+ * other partitions with the slotselect flag set in fstab. A/B
+ * implementations are free to use all 32 bytes and may store private
+ * data past the first NUL-byte in this field.
*/
struct bootloader_message {
char command[32];
@@ -51,7 +58,8 @@ struct bootloader_message {
// stage string (for multistage packages) and possible future
// expansion.
char stage[32];
- char reserved[224];
+ char slot_suffix[32];
+ char reserved[192];
};
/* Read and write the bootloader command from the "misc" partition.