/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2020 MediaTek Inc. * Author: Sam Shih */ /* * Switch from AArch64 EL2 to AArch32 EL2 * @param inputs: * x0: argument, zero * x1: machine nr * x2: fdt address * x3: input argument * x4: kernel entry point * @param outputs for secure firmware: * x0: function id * x1: kernel entry point * x2: machine nr * x3: fdt address */ .global armv8_el2_to_aarch32 armv8_el2_to_aarch32: mov x3, x2 mov x2, x1 mov x1, x4 mov x4, #0 ldr x0, =0x82000200 SMC #0 ret