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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /services/std_svc/sdei/sdei_dispatch.S | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'services/std_svc/sdei/sdei_dispatch.S')
-rw-r--r-- | services/std_svc/sdei/sdei_dispatch.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/services/std_svc/sdei/sdei_dispatch.S b/services/std_svc/sdei/sdei_dispatch.S new file mode 100644 index 0000000..8449e4b --- /dev/null +++ b/services/std_svc/sdei/sdei_dispatch.S @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <asm_macros.S> + + .globl begin_sdei_synchronous_dispatch + +/* + * void begin_sdei_synchronous_dispatch(jmp_buf *buffer); + * + * Begin SDEI dispatch synchronously by setting up a jump point, and exiting + * EL3. This jump point is jumped to by the dispatcher after the event is + * completed by the client. + */ +func begin_sdei_synchronous_dispatch + stp x30, xzr, [sp, #-16]! + bl setjmp + cbz x0, 1f + ldp x30, xzr, [sp], #16 + ret +1: + b el3_exit +endfunc begin_sdei_synchronous_dispatch |