From nobody Mon Feb 9 14:00:10 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+90106+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+90106+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1654007501; cv=none; d=zohomail.com; s=zohoarc; b=Gaigid+KEKW1M0BbB67MtbfJ97xik6fQvIF1g72X3InVh8dBIKAa/1folXLNoQ/XpLKvhsMEDqFJCMtOZ12RgHXMhCUNGtd3spemIM7PQtBPO8y+s9bWqmB080o3M1JLVyJD9S8tjjSHV64IyVOe0rcheS7tokcIhp4Hr0Fjm3Y= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1654007501; 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=p4r5LH+jlRE7DBzkIbqpBi8cGvcNSZxQP5mG7IDd3p0=; b=ILt01BPkxXaGIADR/kckWvQT+9+68V4TtA8lolsXFoA4hMYwPnHU8MZs21gjESV1QFjaQMSbu2KP5jOecl8n9ZWRNIMpmPTz12a7UQiPF4kXimo2bTVC04MbZ48A3HtOBQqUZEZTKEIxuN00cC8NVAT6wZKAhDxFERI29OLKJJc= 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+90106+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 1654007501970777.5075658478886; Tue, 31 May 2022 07:31:41 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id jOTsYY1788612xTccn2HKmsz; Tue, 31 May 2022 07:31:41 -0700 X-Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mx.groups.io with SMTP id smtpd.web09.50062.1654007499473969845 for ; Tue, 31 May 2022 07:31:40 -0700 X-IronPort-AV: E=McAfee;i="6400,9594,10364"; a="272837682" X-IronPort-AV: E=Sophos;i="5.91,265,1647327600"; d="scan'208";a="272837682" X-Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 May 2022 07:31:37 -0700 X-IronPort-AV: E=Sophos;i="5.91,265,1647327600"; d="scan'208";a="605697653" X-Received: from mxu9-mobl1.ccr.corp.intel.com ([10.255.29.6]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 May 2022 07:31:32 -0700 From: "Min Xu" To: devel@edk2.groups.io Cc: Min Xu , Erdem Aktas , Gerd Hoffmann , James Bottomley , Jiewen Yao , Tom Lendacky Subject: [edk2-devel] [PATCH 1/2] OvmfPkg: Fix TDVMCALL error in ApRunLoop.nasm Date: Tue, 31 May 2022 22:31:16 +0800 Message-Id: <7afc1c0752f09c2c53ff5b2c78c3e064838f3778.1654007213.git.min.m.xu@intel.com> In-Reply-To: References: 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,min.m.xu@intel.com X-Gm-Message-State: VbW1DfXpMolmFGd6wqezVcFRx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1654007501; bh=DqgthpVrqAQCazSpJyEnJFDwF+SaU2PlV91f+JSiPGY=; h=Cc:Date:From:Reply-To:Subject:To; b=lcFXIxcdZUNdm5V3vHexBGHx9s29VwM5lm5W5Vozg0EmvOt/CS0uZR7u2PP9EOUxp3x iu/rReHYEe5MeMkKiB0Bngn3uCORRdLGYPsxXfjmofpq4ROvliSOMV9KgdkgJq1RN3kB9 obCXy0ai/uVJozdkn0ozWJ7S0K89xK9p70k= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1654007504132100009 Content-Type: text/plain; charset="utf-8" According to GHCI Spec Table 2-1, in TDVMCALL R10 should be cleared to 0 in input operands, and be checked for the return result. https://cdrdv2.intel.com/v1/dl/getContent/726790 Cc: Erdem Aktas Cc: Gerd Hoffmann Cc: James Bottomley Cc: Jiewen Yao Cc: Tom Lendacky Signed-off-by: Min Xu Acked-by: Gerd Hoffmann --- OvmfPkg/TdxDxe/X64/ApRunLoop.nasm | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/OvmfPkg/TdxDxe/X64/ApRunLoop.nasm b/OvmfPkg/TdxDxe/X64/ApRunLo= op.nasm index 52fb3b4944bf..0bef89c48552 100644 --- a/OvmfPkg/TdxDxe/X64/ApRunLoop.nasm +++ b/OvmfPkg/TdxDxe/X64/ApRunLoop.nasm @@ -42,10 +42,11 @@ AsmRelocateApMailBoxLoopStart: =20 mov rax, TDVMCALL mov rcx, TDVMCALL_EXPOSE_REGS_MASK + xor r10, r10 mov r11, EXIT_REASON_CPUID mov r12, 0xb tdcall - test rax, rax + test r10, r10 jnz Panic mov r8, r15 =20 --=20 2.29.2.windows.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 (#90106): https://edk2.groups.io/g/devel/message/90106 Mute This Topic: https://groups.io/mt/91452353/1787277 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-