From nobody Tue Feb 10 18:55:03 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+68390+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+68390+1787277+3901457@groups.io ARC-Seal: i=1; a=rsa-sha256; t=1607363693; cv=none; d=zohomail.com; s=zohoarc; b=Yd8Xq/Yq4P1SINtMyveSiT6yZvhW52wNQvPUeYlDz+mWemedkSCZdIKzo56kBGvdDR9Kcmg3mD/Yckxw+o09GSQtWNaHSqL1wo5ULBbny7lzzA55oHRS/fqqWq1ot/EXMKgeFoZGVtj9wgMTTqcvhiDzGjfDbSDfQvpnEMXkc+0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1607363693; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=sg9+w/G5M66fOXZBxDHB6tdOOYmcoJ2/yA2LD3sSvuw=; b=WKCJxdwksZ4fKiVUr97eOLQjD+OUZ7fPo90IVVkZ0vdpDVYDYTMA3KASbJ9ABL/kbxQWumPqBGW10lT7UebKvee/mM6ejKYIzA9GmxMr2cQxaN6KOr8xU4FWoRr/gbOCfV0enXACm+eBr6050/Lj6Hc02tWRMkGBzqqhA0cTyH0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+68390+1787277+3901457@groups.io Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1607363693789606.5527068049536; Mon, 7 Dec 2020 09:54:53 -0800 (PST) Return-Path: X-Received: by 127.0.0.2 with SMTP id u2ksYY1788612xZbQCXwJExx; Mon, 07 Dec 2020 09:54:53 -0800 X-Received: from mail-pf1-f196.google.com (mail-pf1-f196.google.com [209.85.210.196]) by mx.groups.io with SMTP id smtpd.web10.131.1607363685327021794 for ; Mon, 07 Dec 2020 09:54:45 -0800 X-Received: by mail-pf1-f196.google.com with SMTP id 11so4570549pfu.4 for ; Mon, 07 Dec 2020 09:54:45 -0800 (PST) X-Gm-Message-State: 4Bj3ida49ZhefXo1Wh7UtRVix1787277AA= X-Google-Smtp-Source: ABdhPJwsNU4jr3srqqAUyDrJlIpibVhdcmOn5npM7zJm6dPzZ5OqwNSuH8cpFewAAvWWVQpL3NCw+g== X-Received: by 2002:a63:e14c:: with SMTP id h12mr15007327pgk.181.1607363684462; Mon, 07 Dec 2020 09:54:44 -0800 (PST) X-Received: from cube.nuviainc.com (c-174-52-16-57.hsd1.ut.comcast.net. [174.52.16.57]) by smtp.gmail.com with ESMTPSA id nm6sm2369pjb.25.2020.12.07.09.54.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Dec 2020 09:54:43 -0800 (PST) From: "Rebecca Cran" To: devel@edk2.groups.io Cc: Rebecca Cran , Michael D Kinney , Liming Gao , Zhiguang Liu , Leif Lindholm , Ard Biesheuvel Subject: [edk2-devel] [PATCH v4 04/10] ArmPkg: Add helper to read the Memory Model Features Register 2 Date: Mon, 7 Dec 2020 10:54:21 -0700 Message-Id: <20201207175427.28712-5-rebecca@nuviainc.com> In-Reply-To: <20201207175427.28712-1-rebecca@nuviainc.com> References: <20201207175427.28712-1-rebecca@nuviainc.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,rebecca@nuviainc.com Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1607363693; bh=UwOTLutFhkDfuvik3p5rmtyFk3cN2yk4zwQIoDC3vWQ=; h=Cc:Date:From:Reply-To:Subject:To; b=nnUkLhHQwAtMeFMouM1X6ZDQl8lCV7Vp+LC6M5qi7IihEhKa0vS3R/j65eFpIkHVBq/ OmDMH2TctAnWtj9GCn+IqWXUT5WvaUs5x3oXY1xP1ouEL6mb6S1VgIAmFvcGJRSYIzI0/ hzjHDxhegL64cDZQ6mOihmWUiTU8REaKOWg= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" Add helper function to read the MMFR2 register. We will need this to determine CCIDX support. Signed-off-by: Rebecca Cran --- ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h | 6 ++++++ ArmPkg/Library/ArmLib/AArch64/AArch64Support.S | 3 +++ 2 files changed, 9 insertions(+) diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h b/ArmPkg/Library/Ar= mLib/AArch64/AArch64Lib.h index b2c8a8ea0b84..d6bcfc3b82ae 100644 --- a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h +++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h @@ -35,5 +35,11 @@ ArmCleanInvalidateDataCacheEntryBySetWay ( IN UINTN SetWayFormat ); =20 +UINTN +EFIAPI +ArmReadIdMmfr2 ( + VOID + ); + #endif // __AARCH64_LIB_H__ =20 diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S b/ArmPkg/Librar= y/ArmLib/AArch64/AArch64Support.S index 199374ff59e3..874bc2866ac3 100644 --- a/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S +++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Support.S @@ -424,6 +424,9 @@ ASM_FUNC(ArmCallWFI) wfi ret =20 +ASM_FUNC(ArmReadIdMmfr2) + mrs x0, ID_AA64MMFR2_EL1 // read EL1 MMFR2 + ret =20 ASM_FUNC(ArmReadMpidr) mrs x0, mpidr_el1 // read EL1 MPIDR --=20 2.26.2 -=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 (#68390): https://edk2.groups.io/g/devel/message/68390 Mute This Topic: https://groups.io/mt/78784065/1787277 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-