Fix x30 reporting for unhandled exceptions
Some error paths that lead to a crash dump will overwrite the value in
the x30 register by calling functions with the no_ret macro, which
resolves to a BL instruction. This is not very useful and not what the
reader would expect, since a crash dump should usually show all
registers in the state they were in when the exception happened. This
patch replaces the offending function calls with a B instruction to
preserve the value in x30.
Change-Id: I2a3636f2943f79bab0cd911f89d070012e697c2a
Signed-off-by: Julius Werner <jwerner@chromium.org>
diff --git a/common/aarch32/debug.S b/common/aarch32/debug.S
index 2e60bd5..583ee4a 100644
--- a/common/aarch32/debug.S
+++ b/common/aarch32/debug.S
@@ -51,7 +51,7 @@
1:
mov lr, r6
- no_ret plat_panic_handler
+ b plat_panic_handler
endfunc do_panic
/***********************************************************