| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) 2020 MediaTek Inc. |
| * Author: Sam Shih <sam.shih@mediatek.com> |
| */ |
| |
| /* |
| * 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 |
