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target: aarch64: fix regs invalidation when -defer-examine

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The code for aarch64 allocates the register cache during the very
first examine of the target.
To prevent a segmentation fault in assert_reset(), the call to
register_cache_invalidate() is guarded by target_was_examined().

But for targets with -defer-examine, the target is set as not
examined in handle_target_reset() just before entering in
assert_reset().

This causes registers to not be invalidated while reset a target
examined but with -defer-examine.

Change the condition and invalidate the register cache if it has
been already allocated.

Change-Id: Ie13abb0ae2cc28fc3295d678c4ad1691024eb7b8
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/8214
Tested-by: jenkins
This commit is contained in:
Antonio Borneo
2024-04-13 18:46:11 +02:00
parent 89d881c19a
commit 42e31d75b4
1 changed files with 1 additions and 1 deletions
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2
src/target/aarch64.c
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@@ -1983,7 +1983,7 @@ static int aarch64_assert_reset(struct target *target)
}
/* registers are now invalid */
if (target_was_examined(target)) {
if (armv8->arm.core_cache) {
register_cache_invalidate(armv8->arm.core_cache);
register_cache_invalidate(armv8->arm.core_cache->next);
}