Manish V Badarkhe | 51a9711 | 2021-07-08 09:33:18 +0100 | [diff] [blame] | 1 | /* |
Boyan Karatotev | 6468d4a | 2023-02-16 15:12:45 +0000 | [diff] [blame] | 2 | * Copyright (c) 2021-2023, Arm Limited. All rights reserved. |
Manish V Badarkhe | 51a9711 | 2021-07-08 09:33:18 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <stdbool.h> |
| 8 | |
| 9 | #include <arch.h> |
| 10 | #include <arch_helpers.h> |
| 11 | #include <lib/extensions/trf.h> |
| 12 | |
Boyan Karatotev | 6468d4a | 2023-02-16 15:12:45 +0000 | [diff] [blame] | 13 | void trf_init_el3(void) |
Manish V Badarkhe | 51a9711 | 2021-07-08 09:33:18 +0100 | [diff] [blame] | 14 | { |
| 15 | uint32_t val; |
| 16 | |
Andre Przywara | 06ea44e | 2022-11-17 17:30:43 +0000 | [diff] [blame] | 17 | /* |
| 18 | * Allow access of trace filter control registers from |
Boyan Karatotev | 6e2fd8b | 2023-02-13 16:38:37 +0000 | [diff] [blame] | 19 | * non-monitor mode. |
Andre Przywara | 06ea44e | 2022-11-17 17:30:43 +0000 | [diff] [blame] | 20 | */ |
| 21 | val = read_sdcr(); |
Boyan Karatotev | 6e2fd8b | 2023-02-13 16:38:37 +0000 | [diff] [blame] | 22 | val &= ~(SDCR_TTRF_BIT); |
Andre Przywara | 06ea44e | 2022-11-17 17:30:43 +0000 | [diff] [blame] | 23 | write_sdcr(val); |
Manish V Badarkhe | 51a9711 | 2021-07-08 09:33:18 +0100 | [diff] [blame] | 24 | } |