[edk2-devel] [PATCH v4 01/10] ArmPkg: Add ARM SMC Architecture functions to ArmStdSmc.h
Leif Lindholm
leif at nuviainc.com
Tue Dec 15 18:06:51 UTC 2020
On Mon, Dec 07, 2020 at 10:54:18 -0700, Rebecca Cran wrote:
> 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>
> ---
> ArmPkg/Include/IndustryStandard/ArmStdSmc.h | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> index 3509eb680f18..13f2245f37f5 100644
> --- a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> +++ b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> @@ -1,5 +1,6 @@
> /** @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
> @@ -52,6 +53,18 @@
> #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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