Add flag whether MTE state was forced
This will be used by mtectrl to remember whether the MTE state was
overriden using the force_on / force_off flags or set by the user. We
need that information when the force_on / force_off flag is reset.
(this is a cherry-pick of 9ff55496708619fd94043507b0204c4789c000c7)
Bug: 291106070
Merged-In: I6178f0b88b718e96e5c8ee39113848f422e5fb6d
Change-Id: I6178f0b88b718e96e5c8ee39113848f422e5fb6d
diff --git a/bootloader_message/include/bootloader_message/bootloader_message.h b/bootloader_message/include/bootloader_message/bootloader_message.h
index 8fba101..8d0c132 100644
--- a/bootloader_message/include/bootloader_message/bootloader_message.h
+++ b/bootloader_message/include/bootloader_message/bootloader_message.h
@@ -110,6 +110,11 @@
#define MISC_MEMTAG_MODE_MEMTAG_KERNEL 0x4
#define MISC_MEMTAG_MODE_MEMTAG_KERNEL_ONCE 0x8
#define MISC_MEMTAG_MODE_MEMTAG_OFF 0x10
+// This is set when the state was overridden forcibly. This does not need to be
+// interpreted by the bootloader but is only for bookkeeping purposes so
+// userspace knows what to do when the override is undone.
+// See system/extras/mtectrl in AOSP for more information.
+#define MISC_MEMTAG_MODE_FORCED 0x20
#if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus)
static_assert(sizeof(struct misc_virtual_ab_message) == 64,