[edk2-devel] [PATCH v6 02/22] ArmPkg: Add ARM SMC Architecture functions to ArmStdSmc.h
Samer El-Haj-Mahmoud
samer.el-haj-mahmoud at arm.com
Fri Jan 15 20:55:36 UTC 2021
Reviewed-by: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud at arm.com>
> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Rebecca
> Cran via groups.io
> Sent: Thursday, January 14, 2021 11:36 AM
> To: devel at edk2.groups.io
> Cc: Rebecca Cran <rebecca at nuviainc.com>; Leif Lindholm
> <leif at nuviainc.com>; Ard Biesheuvel <Ard.Biesheuvel at arm.com>; nd
> <nd at arm.com>; Sami Mujawar <Sami.Mujawar at arm.com>; Liming Gao
> <gaoliming at byosoft.com.cn>; Michael D Kinney
> <michael.d.kinney at intel.com>; Zhiguang Liu <zhiguang.liu at intel.com>; Sami
> Mujawar <Sami.Mujawar at arm.com>
> Subject: [edk2-devel] [PATCH v6 02/22] ArmPkg: Add ARM SMC Architecture
> functions to ArmStdSmc.h
>
> The ARM SMC Architecture functions were missing from ArmStdSmc.h.
> Add them, based on the SMC Calling Convention version 1.2 specification.
>
> Signed-off-by: Rebecca Cran <rebecca at nuviainc.com>
> Reviewed-by: Leif Lindholm <leif at nuviainc.com>
> Reviewed-by: Sami Mujawar <sami.mujawar at arm.com>
> ---
> ArmPkg/Include/IndustryStandard/ArmStdSmc.h | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> index 3509eb680f18..9e0a3a3960d5 100644
> --- a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> +++ b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> @@ -1,9 +1,13 @@
> /** @file
> *
> +* Copyright (c) 2020, NUVIA Inc. All rights reserved.<BR>
> * Copyright (c) 2012-2017, ARM Limited. All rights reserved.
> *
> * SPDX-License-Identifier: BSD-2-Clause-Patent
> *
> +* @par Revision Reference:
> +* - SMC Calling Convention version 1.2
> +* (https://developer.arm.com/documentation/den0028/c/?lang=en)
> **/
>
> #ifndef __ARM_STD_SMC_H__
> @@ -52,6 +56,18 @@
> #define ARM_SMC_MM_RET_DENIED -3
> #define ARM_SMC_MM_RET_NO_MEMORY -4
>
> +// ARM Architecture Calls
> +#define SMCCC_VERSION 0x80000000
> +#define SMCCC_ARCH_FEATURES 0x80000001
> +#define SMCCC_ARCH_SOC_ID 0x80000002
> +#define SMCCC_ARCH_WORKAROUND_1 0x80008000 #define
> +SMCCC_ARCH_WORKAROUND_2 0x80007FFF
> +
> +#define SMC_ARCH_CALL_SUCCESS 0
> +#define SMC_ARCH_CALL_NOT_SUPPORTED -1
> +#define SMC_ARCH_CALL_NOT_REQUIRED -2
> +#define SMC_ARCH_CALL_INVALID_PARAMETER -3
> +
> /*
> * Power State Coordination Interface (PSCI) calls cover a subset of the
> * Standard Service Call range.
> --
> 2.26.2
>
>
>
>
>
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