| /* |
| * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <asm_macros.S> |
| #include <tsp.h> |
| |
| .globl tsp_get_magic |
| |
| |
| /* |
| * This function raises an SMC to retrieve arguments from secure |
| * monitor/dispatcher, saves the returned arguments the array received in x0, |
| * and then returns to the caller |
| */ |
| func tsp_get_magic |
| /* Save address to stack */ |
| stp x0, xzr, [sp, #-16]! |
| |
| /* Load arguments */ |
| ldr w0, _tsp_fid_get_magic |
| |
| /* Raise SMC */ |
| smc #0 |
| |
| /* Restore address from stack */ |
| ldp x4, xzr, [sp], #16 |
| |
| /* Store returned arguments to the array */ |
| stp x0, x1, [x4, #0] |
| |
| ret |
| endfunc tsp_get_magic |
| |
| .align 2 |
| _tsp_fid_get_magic: |
| .word TSP_GET_ARGS |
