| Jacky Bai | 4d93d1d | 2020-07-02 14:39:58 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2023-2024 NXP |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <imx_plat_common.h> |
| 8 | |
| 9 | uint32_t plat_get_spsr_for_bl33_entry(void) |
| 10 | { |
| 11 | unsigned long el_status; |
| 12 | unsigned long mode; |
| 13 | uint32_t spsr; |
| 14 | |
| 15 | /* figure out what mode we enter the non-secure world */ |
| 16 | el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT; |
| 17 | el_status &= ID_AA64PFR0_ELX_MASK; |
| 18 | |
| 19 | mode = (el_status) ? MODE_EL2 : MODE_EL1; |
| 20 | |
| 21 | spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS); |
| 22 | return spsr; |
| 23 | } |