| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* |
| * Copyright (c) 2018, Linaro Limited |
| */ |
| |
| #ifndef __SMCCC_H |
| #define __SMCCC_H |
| |
| /* |
| * Describes features of SMC Calling Convention from v1.1 |
| * See also https://developer.arm.com/-/media/developer/pdf/ARM_DEN_0070A_Firmware_interfaces_for_mitigating_CVE-2017-5715.pdf |
| */ |
| |
| /* |
| * Retrieve the implemented version of the SMC Calling Convention |
| * Mandatory from SMCCC v1.1 |
| * Optional in SMCCC v1.0 |
| */ |
| #define SMCCC_VERSION 0x80000000 |
| |
| /* |
| * Determine the availability and capability of Arm Architecture Service |
| * functions. |
| * Mandatory from SMCCC v1.1 |
| * Optional for SMCCC v1.0 |
| */ |
| #define SMCCC_ARCH_FEATURES 0x80000001 |
| |
| /* |
| * Execute the mitigation for CVE-2017-5715 on the calling PE |
| * Optional from SMCCC v1.1 |
| * Not supported in SMCCC v1.0 |
| */ |
| #define SMCCC_ARCH_WORKAROUND_1 0x80008000 |
| |
| #endif /*__SMCCC_H*/ |
