From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Supreeth Venkatesh <supreeth.venkatesh@arm.com>
Cc: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
Leif Lindholm <leif.lindholm@linaro.org>,
Achin Gupta <achin.gupta@arm.com>
Subject: Re: [PATCH v2 1/2] ArmPkg/Include: Add standard SMC function IDs for MM interface.
Date: Fri, 6 Oct 2017 22:05:46 +0100 [thread overview]
Message-ID: <CAKv+Gu_VqCPuhg7TKxbbsbEF+fvFNOYz8NWm4JOrVLDrthxSVA@mail.gmail.com> (raw)
In-Reply-To: <20170927185859.27833-1-supreeth.venkatesh@arm.com>
On 27 September 2017 at 19:58, Supreeth Venkatesh
<supreeth.venkatesh@arm.com> wrote:
> This patch adds a list of function IDs that fall under the standard
> SMC range as defined in
> http://infocenter.arm.com/help/topic/com.arm.doc.den0060a/DEN0060A_ARM_MM_Interface_Specification.pdf.
>
> SMCs associated with Management Mode are in the range 0xC4000040 -
> 0xC400005f (64 bit) and 0x84000040 - 0x8400005f (32 bit).
>
> The function(s) available to the normal world:
> 1. Request services from the secure MM environment using MM_COMMUNICATE.
>
> It also defines MM return codes.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Achin Gupta <achin.gupta@arm.com>
> Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@arm.com>
Both patches applied. Thanks.
> ---
> ArmPkg/Include/IndustryStandard/ArmStdSmc.h | 20 +++++++++++++++++++-
> 1 file changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> index 593a3ce729..37d0796649 100644
> --- a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> +++ b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
> @@ -1,6 +1,6 @@
> /** @file
> *
> -* Copyright (c) 2012-2014, ARM Limited. All rights reserved.
> +* Copyright (c) 2012-2017, ARM Limited. All rights reserved.
> *
> * This program and the accompanying materials
> * are licensed and made available under the terms and conditions of the BSD License
> @@ -40,6 +40,24 @@
> #define ARM_SMC_STD_REVISION_MAJOR 0x0
> #define ARM_SMC_STD_REVISION_MINOR 0x1
>
> +/*
> + * Management Mode (MM) calls cover a subset of the Standard Service Call range.
> + * The list below is not exhaustive.
> + */
> +#define ARM_SMC_ID_MM_VERSION_AARCH32 0x84000040
> +#define ARM_SMC_ID_MM_VERSION_AARCH64 0xC4000040
> +
> +// Request service from secure standalone MM environment
> +#define ARM_SMC_ID_MM_COMMUNICATE_AARCH32 0x84000041
> +#define ARM_SMC_ID_MM_COMMUNICATE_AARCH64 0xC4000041
> +
> +/* MM return error codes */
> +#define ARM_SMC_MM_RET_SUCCESS 0
> +#define ARM_SMC_MM_RET_NOT_SUPPORTED -1
> +#define ARM_SMC_MM_RET_INVALID_PARAMS -2
> +#define ARM_SMC_MM_RET_DENIED -3
> +#define ARM_SMC_MM_RET_NO_MEMORY -4
> +
> /*
> * Power State Coordination Interface (PSCI) calls cover a subset of the
> * Standard Service Call range.
> --
> 2.14.1
>
next prev parent reply other threads:[~2017-10-06 21:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-27 18:58 [PATCH v2 1/2] ArmPkg/Include: Add standard SMC function IDs for MM interface Supreeth Venkatesh
2017-09-27 18:58 ` [PATCH v2 2/2] ArmPkg/Include: Add SVC function IDs for Management Mode Supreeth Venkatesh
2017-10-06 21:05 ` Ard Biesheuvel [this message]
2017-10-09 8:52 ` [PATCH v2 1/2] ArmPkg/Include: Add standard SMC function IDs for MM interface Achin Gupta
2017-10-09 15:15 ` Supreeth Venkatesh
2017-10-09 22:19 ` Achin Gupta
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