| * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. |
| * SPDX-License-Identifier: BSD-3-Clause |
| #include "psci_private.h" |
| u_register_t psci_mem_protect(unsigned int enable) |
| assert(psci_plat_pm_ops->read_mem_protect != NULL); |
| assert(psci_plat_pm_ops->write_mem_protect != NULL); |
| if (psci_plat_pm_ops->read_mem_protect(&val) < 0) |
| return (u_register_t) PSCI_E_NOT_SUPPORTED; |
| if (psci_plat_pm_ops->write_mem_protect(enable) < 0) |
| return (u_register_t) PSCI_E_NOT_SUPPORTED; |
| return (val != 0) ? 1U : 0U; |
| u_register_t psci_mem_chk_range(uintptr_t base, u_register_t length) |
| assert(psci_plat_pm_ops->mem_protect_chk != NULL); |
| if ((length == 0U) || check_uptr_overflow(base, length - 1U)) |
| return (u_register_t) PSCI_E_DENIED; |
| ret = psci_plat_pm_ops->mem_protect_chk(base, length); |
| (u_register_t) PSCI_E_DENIED : (u_register_t) PSCI_E_SUCCESS; |