Patent ID: 11874903
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The method according to claim 5, wherein switching from the TA interface to the CA interface according to the request for TUI display exit comprises:
controlling, according to the request for TUI display exit by using the second driver that is of the display-related hardware device and that is in the trusted execution environment, the display-related hardware device to exit the secure mode;
controlling, according to third switching information by using the first driver that is of the display-related hardware device and that is in the rich execution environment, the display-related hardware device to enter the non-secure mode, wherein the third switching information indicates that the display-related hardware device has exited the secure mode; and
displaying, in the rich execution environment, the CA interface by invoking the display-related hardware device that has switched to the non-secure mode.