[edk2-devel] 回复: [PATCH v5 2/5] ArmPkg: prepare 32bit ARM build of StandaloneMmPkg
gaoliming
gaoliming at byosoft.com.cn
Wed Aug 11 01:51:56 UTC 2021
Etienne:
Thanks for your update. This version should pass CI.
Sami:
Can you help review the updated patch? So, it can still catch this stable
tag.
Thanks
Liming
> -----邮件原件-----
> 发件人: Etienne Carriere <etienne.carriere at linaro.org>
> 发送时间: 2021年8月9日 23:20
> 收件人: devel at edk2.groups.io
> 抄送: Achin Gupta <achin.gupta at arm.com>; Ard Biesheuvel
> <ardb+tianocore at kernel.org>; Jiewen Yao <jiewen.yao at intel.com>; Leif
> Lindholm <leif at nuviainc.com>; Sami Mujawar <sami.mujawar at arm.com>;
> Sughosh Ganu <sughosh.ganu at linaro.org>; Liming Gao
> <gaoliming at byosoft.com.cn>; Etienne Carriere <etienne.carriere at linaro.org>
> 主题: [PATCH v5 2/5] ArmPkg: prepare 32bit ARM build of StandaloneMmPkg
>
> Changes in ArmPkg to prepare building StandaloneMm firmware for
> 32bit Arm architectures.
>
> Adds ArmmmuStandaloneMmLib library to the list of the standard
> components build for ArmPkg on when ARM architectures.
>
> Changes path of source file AArch64/ArmMmuStandaloneMmLib.c
> and compile it for both 32bit and 64bit architectures.
>
> Signed-off-by: Etienne Carriere <etienne.carriere at linaro.org>
> ---
> Changes since v4:
> - Remove changes related to MmCommunicationDxe and ArmMmuPeiLib
> since
> they currently don't need to be built for ARM targets.
> - Remove review tags applied to patch v3.
>
> Changes since v3:
> - Remove Cc tags and apply review tag.
>
> No change since v2
> No change since v1
> ---
> ArmPkg/ArmPkg.dec
> | 2 +-
> ArmPkg/ArmPkg.dsc
> | 2 ++
> ArmPkg/Library/StandaloneMmMmuLib/{AArch64
> => }/ArmMmuStandaloneMmLib.c | 15 ++++++++-------
> ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
> | 6 +++---
> 4 files changed, 14 insertions(+), 11 deletions(-)
>
> diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec
> index 214b2f5892..6ed51edd03 100644
> --- a/ArmPkg/ArmPkg.dec
> +++ b/ArmPkg/ArmPkg.dec
> @@ -137,7 +137,7 @@
> # hardware coherency (i.e., no virtualization or cache coherent DMA)
>
> gArmTokenSpaceGuid.PcdNormalMemoryNonshareableOverride|FALSE|BOO
> LEAN|0x00000043
>
> -[PcdsFeatureFlag.AARCH64]
> +[PcdsFeatureFlag.AARCH64, PcdsFeatureFlag.ARM]
> ## Used to select method for requesting services from S-EL1.<BR><BR>
> # TRUE - Selects FF-A calls for communication between S-EL0 and
> SPMC.<BR>
> # FALSE - Selects SVC calls for communication between S-EL0 and
> SPMC.<BR>
> diff --git a/ArmPkg/ArmPkg.dsc b/ArmPkg/ArmPkg.dsc
> index 926986cf7f..8abe3713c8 100644
> --- a/ArmPkg/ArmPkg.dsc
> +++ b/ArmPkg/ArmPkg.dsc
> @@ -161,4 +161,6 @@
> [Components.AARCH64]
> ArmPkg/Drivers/MmCommunicationDxe/MmCommunication.inf
> ArmPkg/Library/ArmMmuLib/ArmMmuPeiLib.inf
> +
> +[Components.AARCH64, Components.ARM]
> ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
> diff --git
> a/ArmPkg/Library/StandaloneMmMmuLib/AArch64/ArmMmuStandaloneMm
> Lib.c b/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.c
> similarity index 92%
> rename from
> ArmPkg/Library/StandaloneMmMmuLib/AArch64/ArmMmuStandaloneMmLib
> .c
> rename to
> ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.c
> index dd014beec8..20f873e680 100644
> ---
> a/ArmPkg/Library/StandaloneMmMmuLib/AArch64/ArmMmuStandaloneMm
> Lib.c
> +++ b/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.c
> @@ -2,6 +2,7 @@
> File managing the MMU for ARMv8 architecture in S-EL0
>
> Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.<BR>
> + Copyright (c) 2021, Linaro Limited
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> @par Reference(s):
> @@ -62,7 +63,7 @@ SendMemoryPermissionRequest (
> // for other Direct Request calls which are not atomic
> // We therefore check only for Direct Response by the
> // callee.
> - if (SvcArgs->Arg0 ==
> ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP_AARCH64) {
> + if (SvcArgs->Arg0 == ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP) {
> // A Direct Response means FF-A success
> // Now check the payload for errors
> // The callee sends back the return value
> @@ -164,13 +165,13 @@ GetMemoryPermissions (
> ZeroMem (&SvcArgs, sizeof (ARM_SVC_ARGS));
> if (FeaturePcdGet (PcdFfaEnable)) {
> // See [2], Section 10.2 FFA_MSG_SEND_DIRECT_REQ.
> - SvcArgs.Arg0 = ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH64;
> + SvcArgs.Arg0 = ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ;
> SvcArgs.Arg1 = ARM_FFA_DESTINATION_ENDPOINT_ID;
> SvcArgs.Arg2 = 0;
> - SvcArgs.Arg3 = ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES_AARCH64;
> + SvcArgs.Arg3 = ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES;
> SvcArgs.Arg4 = BaseAddress;
> } else {
> - SvcArgs.Arg0 = ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES_AARCH64;
> + SvcArgs.Arg0 = ARM_SVC_ID_SP_GET_MEM_ATTRIBUTES;
> SvcArgs.Arg1 = BaseAddress;
> SvcArgs.Arg2 = 0;
> SvcArgs.Arg3 = 0;
> @@ -219,15 +220,15 @@ RequestMemoryPermissionChange (
> ZeroMem (&SvcArgs, sizeof (ARM_SVC_ARGS));
> if (FeaturePcdGet (PcdFfaEnable)) {
> // See [2], Section 10.2 FFA_MSG_SEND_DIRECT_REQ.
> - SvcArgs.Arg0 = ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ_AARCH64;
> + SvcArgs.Arg0 = ARM_SVC_ID_FFA_MSG_SEND_DIRECT_REQ;
> SvcArgs.Arg1 = ARM_FFA_DESTINATION_ENDPOINT_ID;
> SvcArgs.Arg2 = 0;
> - SvcArgs.Arg3 = ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES_AARCH64;
> + SvcArgs.Arg3 = ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES;
> SvcArgs.Arg4 = BaseAddress;
> SvcArgs.Arg5 = EFI_SIZE_TO_PAGES (Length);
> SvcArgs.Arg6 = Permissions;
> } else {
> - SvcArgs.Arg0 = ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES_AARCH64;
> + SvcArgs.Arg0 = ARM_SVC_ID_SP_SET_MEM_ATTRIBUTES;
> SvcArgs.Arg1 = BaseAddress;
> SvcArgs.Arg2 = EFI_SIZE_TO_PAGES (Length);
> SvcArgs.Arg3 = Permissions;
> diff --git
> a/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
> b/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
> index 6c71fe0023..ff20e58980 100644
> --- a/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
> +++
> b/ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
> @@ -16,14 +16,14 @@
> LIBRARY_CLASS = StandaloneMmMmuLib
> PI_SPECIFICATION_VERSION = 0x00010032
>
> -[Sources.AARCH64]
> - AArch64/ArmMmuStandaloneMmLib.c
> +[Sources]
> + ArmMmuStandaloneMmLib.c
>
> [Packages]
> ArmPkg/ArmPkg.dec
> MdePkg/MdePkg.dec
>
> -[FeaturePcd.AARCH64]
> +[FeaturePcd.ARM, FeaturePcd.AARCH64]
> gArmTokenSpaceGuid.PcdFfaEnable
>
> [LibraryClasses]
> --
> 2.17.1
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