diff options
Diffstat (limited to 'bl32/tsp/aarch64/tsp_request.S')
| -rw-r--r-- | bl32/tsp/aarch64/tsp_request.S | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/bl32/tsp/aarch64/tsp_request.S b/bl32/tsp/aarch64/tsp_request.S index 5ad16da66..6e238ea4c 100644 --- a/bl32/tsp/aarch64/tsp_request.S +++ b/bl32/tsp/aarch64/tsp_request.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -9,28 +9,19 @@ .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] - + /* Return arguments in x1:x0 */ ret endfunc tsp_get_magic |