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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 17:43:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 17:43:51 +0000 |
| commit | be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b (patch) | |
| tree | 779c248fb61c83f65d1f0dc867f2053d76b4e03a /bl32/tsp/aarch64/tsp_request.S | |
| parent | Initial commit. (diff) | |
| download | arm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.tar.xz arm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.zip | |
Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'bl32/tsp/aarch64/tsp_request.S')
| -rw-r--r-- | bl32/tsp/aarch64/tsp_request.S | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/bl32/tsp/aarch64/tsp_request.S b/bl32/tsp/aarch64/tsp_request.S new file mode 100644 index 0000000..6e238ea --- /dev/null +++ b/bl32/tsp/aarch64/tsp_request.S @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <asm_macros.S> +#include <bl32/tsp/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 + /* Load arguments */ + ldr w0, _tsp_fid_get_magic + + /* Raise SMC */ + smc #0 + + /* Return arguments in x1:x0 */ + ret +endfunc tsp_get_magic + + .align 2 +_tsp_fid_get_magic: + .word TSP_GET_ARGS |