armv8_dpm: fix exception handling

after handling of an exception in debug state, immediately
restore the original core state.

Change-Id: Ie53b63c9f19815f717f4df4390fbc13f0a204cc2
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/3996
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>

diff --git a/src/target/armv8_dpm.c b/src/target/armv8_dpm.c
index e5d10df6e791d6a6e16119bba3d446d230e15e1c..f4e7a07996c651546c92812b04f4f085a76305cd 100644 (file)
--- a/src/target/armv8_dpm.c
+++ b/src/target/armv8_dpm.c
@@ -1312,6 +1312,8 @@ void armv8_dpm_handle_exception(struct arm_dpm *dpm)
        core_state = armv8_dpm_get_core_state(dpm);
        armv8_select_opcodes(armv8, core_state == ARM_STATE_AARCH64);
        armv8_select_reg_access(armv8, core_state == ARM_STATE_AARCH64);
+
+       armv8_dpm_modeswitch(dpm, ARM_MODE_ANY);
 }
 
 /*----------------------------------------------------------------------*/