From nobody Tue Feb 10 00:59:21 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+105693+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+105693+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1685947078; cv=none; d=zohomail.com; s=zohoarc; b=d4pyOXT6WNiEtPWWuw8jV7EOJzE9qq3IFnNVzjElmY67Vjq25loz+zjsmOe8latTAKFmyaCyuKTPF0DBf6TLUg/uz+iecK9xjLYuvgeRj1FBcamODIj9NMSQdA6T6nXClcXeY+t7mnmKnqQ5CnRLkdGrqjekrkW/YZlmIMJDRZo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1685947078; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=rfOf70b5FFV0HBSS3IMrN/ZnJs25NlHXhQmc2ALP87s=; b=OsDWV61raZBRg4X0Ou1F3AtBd4Gn1ioWecnmk8F8Vfk8Hgr0MdRw0zDhY8tLBKLnFXrb7KZPFNE2m5pfHuznvzVhTsw4CpVYBrmuzJNEMNahlWwUW4PwN7cwB/gOHyXrmrm4JBj1S155vNxf8yDSuFkj0aGPcobJPMUzK20mlbg= 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+105693+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1685947078371927.1584044728108; Sun, 4 Jun 2023 23:37:58 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id 59SqYY1788612xzkhAb0Qfda; Sun, 04 Jun 2023 23:37:58 -0700 X-Received: from muminek.juszkiewicz.com.pl (muminek.juszkiewicz.com.pl [213.251.184.221]) by mx.groups.io with SMTP id smtpd.web11.1405.1685947075928982320 for ; Sun, 04 Jun 2023 23:37:56 -0700 X-Received: from localhost (localhost [127.0.0.1]) by muminek.juszkiewicz.com.pl (Postfix) with ESMTP id 1FC1D260BC5; Mon, 5 Jun 2023 08:37:54 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at juszkiewicz.com.pl X-Received: from muminek.juszkiewicz.com.pl ([127.0.0.1]) by localhost (muminek.juszkiewicz.com.pl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xL-wdpHmhiU4; Mon, 5 Jun 2023 08:37:52 +0200 (CEST) X-Received: from applejack.lan (83.21.93.182.ipv4.supernova.orange.pl [83.21.93.182]) by muminek.juszkiewicz.com.pl (Postfix) with ESMTPSA id 613B52606B8; Mon, 5 Jun 2023 08:37:50 +0200 (CEST) From: "Marcin Juszkiewicz" To: devel@edk2.groups.io Cc: Sami Mujawar , Ard Biesheuvel , Leif Lindholm , Marcin Juszkiewicz Subject: [edk2-devel] [PATCH v2 1/8] ArmPkg: fix reading of first nibbles in ArmCpuInfo Date: Mon, 5 Jun 2023 08:37:36 +0200 Message-Id: <20230605063743.405487-3-marcin.juszkiewicz@linaro.org> In-Reply-To: <20230605063743.405487-1-marcin.juszkiewicz@linaro.org> References: <20230605063743.405487-1-marcin.juszkiewicz@linaro.org> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: 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,marcin.juszkiewicz@linaro.org X-Gm-Message-State: Yo84ytp9b0265ZonguxAzOWJx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1685947078; bh=2gg1FsYIuHUgcH7RgjDxAU8GIyY/9V8+cQ1I6o16LQ8=; h=Cc:Date:From:Reply-To:Subject:To; b=lhwoUHixQy8ae78OrOsx8EyQiZ7vbJO+vpE2gkJmQYtnndOs4SaHz0M8ITmzUMw9JU3 J66DEa+AmljBwv45itZXlaDsE5sojvwMtgfw0WW97/JptLmzf5NK7If+TFIBH5WgSPw6W Pa9u3Si3Wrl8UIKidZzYHJojiv+kOv1ucmU= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1685947079190100004 Content-Type: text/plain; charset="utf-8" First nibbles of DFR0/ISAR1/ISAR2/MMRF2/PFR0 system registers were read in wrong way -- second one was used instead. Signed-off-by: Marcin Juszkiewicz --- ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c b/ArmPkg/Applicatio= n/ArmCpuInfo/ArmCpuInfo.c index deea90fbdfbf..3f0a49649790 100644 --- a/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c +++ b/ArmPkg/Application/ArmCpuInfo/ArmCpuInfo.c @@ -107,7 +107,7 @@ HandleAa64Dfr0 ( CONST CHAR8 *Bits; =20 Bits =3D "3:0 "; - Value =3D (Aa64Dfr0 >> 4) & 0xf; + Value =3D Aa64Dfr0 & 0xf; switch (Value) { case b0110: Description =3D "Armv8 debug architecture"; @@ -637,7 +637,7 @@ HandleAa64Isar1 ( CONST CHAR8 *Bits; =20 Bits =3D "3:0 "; - Value =3D (Aa64Isar1 >> 4) & 0xf; + Value =3D Aa64Isar1 & 0xf; switch (Value) { case b0000: Description =3D "DC CVAP not implemented."; @@ -954,7 +954,7 @@ HandleAa64Isar2 ( CONST CHAR8 *Bits; =20 Bits =3D "3:0 "; - Value =3D (Aa64Isar2 >> 4) & 0xf; + Value =3D Aa64Isar2 & 0xf; switch (Value) { case b0000: Description =3D "FEAT_WFxT not implemented."; @@ -1637,7 +1637,7 @@ HandleAa64Mmfr2 ( CONST CHAR8 *Bits; =20 Bits =3D "3:0 "; - Value =3D (Aa64Mmfr2) & 0xf; + Value =3D Aa64Mmfr2 & 0xf; switch (Value) { case b0000: Description =3D "FEAT_TTCNP not implemented."; @@ -1906,7 +1906,7 @@ HandleAa64Pfr0 ( CONST CHAR8 *Bits; =20 Bits =3D "3:0 "; - Value =3D (Aa64Pfr0) & 0xf; + Value =3D Aa64Pfr0 & 0xf; switch (Value) { case b0001: Description =3D "EL0 in AArch64 only"; --=20 2.40.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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