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Commit 9ff55496 authored by Florian Mayer's avatar Florian Mayer
Browse files

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.

Bug: 291106070
Change-Id: I6178f0b88b718e96e5c8ee39113848f422e5fb6d
parent 1937b3fd

bootloader_message/include/bootloader_message/bootloader_message.h

+5 −0
Original line number Diff line number Diff line
@@ -110,6 +110,11 @@ struct misc_memtag_message { 
#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,