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contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,sami.mujawar@arm.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: 4g0B8h0yvLx4riiKN3J5Zh9yx1787277AA= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1694609402180100023 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add an Embedded Trace (ET) info object that can be used to provide information about Embedded Trace Extension (ETE) or Embedded Trace Module (ETM) available on a platform. Although ETE and ETM share the same HID, ETE has a system register interfaces, unlike ETM which requires memory mapped registers. Since this patch aims to support ETE it does not describe any memory mapped registers. However, required support for ETM can be added in the future. Signed-off-by: Sami Mujawar --- Notes: v2: - No code change from v1 patch series. [SAMI] DynamicTablesPkg/Include/ArmNameSpaceObjects.h | 25 +++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/DynamicTablesPkg/Include/ArmNameSpaceObjects.h b/DynamicTables= Pkg/Include/ArmNameSpaceObjects.h index ca02970d7a177968c77ba7ae1a859b81d0904ff8..8c00bdac20bb1323d8dbd17f671= e0e61886ad269 100644 --- a/DynamicTablesPkg/Include/ArmNameSpaceObjects.h +++ b/DynamicTablesPkg/Include/ArmNameSpaceObjects.h @@ -1,6 +1,6 @@ /** @file =20 - Copyright (c) 2017 - 2022, Arm Limited. All rights reserved.
+ Copyright (c) 2017 - 2023, Arm Limited. All rights reserved.
=20 SPDX-License-Identifier: BSD-2-Clause-Patent =20 @@ -71,6 +71,7 @@ typedef enum ArmObjectID { EArmObjPccSubspaceType3Info, ///< 46 - P= cc Subspace Type 3 Info EArmObjPccSubspaceType4Info, ///< 47 - P= cc Subspace Type 4 Info EArmObjPccSubspaceType5Info, ///< 48 - P= cc Subspace Type 5 Info + EArmObjEtInfo, ///< 49 - E= mbedded Trace Extension/Module Info EArmObjMax } EARM_OBJECT_ID; =20 @@ -210,6 +211,12 @@ typedef struct CmArmGicCInfo { generating MADT revision 5 or lower. */ UINT16 TrbeInterrupt; + + /** Optional field: Reference Token for the Embedded Trace device info f= or + this processing element. + i.e. a token referencing a CM_ARM_ET_INFO object. + */ + CM_OBJECT_TOKEN EtToken; } CM_ARM_GICC_INFO; =20 /** A structure that describes the @@ -1304,6 +1311,22 @@ typedef struct CmArmPccSubspaceType5Info { PCC_MAILBOX_REGISTER_INFO ErrorStatusReg; } CM_ARM_PCC_SUBSPACE_TYPE5_INFO; =20 +/** An enum describing the Arm Embedded Trace device type. +*/ +typedef enum ArmEtType { + ArmEtTypeEtm, ///< Embedded Trace module. + ArmEtTypeEte, ///< Embedded Trace Extension. + ArmEtTypeMax +} ARM_ET_TYPE; + +/** A structure that describes the Embedded Trace Extension/Module. + + ID: EArmObjEtInfo +*/ +typedef struct CmArmEtInfo { + ARM_ET_TYPE EtType; +} CM_ARM_ET_INFO; + #pragma pack() =20 #endif // ARM_NAMESPACE_OBJECTS_H_ --=20 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)' -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#108587): https://edk2.groups.io/g/devel/message/108587 Mute This Topic: https://groups.io/mt/101335839/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-