From nobody Sat Feb 7 04:46:58 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+87230+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+87230+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1646227956; cv=none; d=zohomail.com; s=zohoarc; b=HHhYLHJaNwiTJ/MMJDecL40N9obYTCsj/TibGXnA+3WA3H4zXSxdwxB/cjvznJUnUz6msI5xrP2meLrMhjAW37PlNDVU4Jja59QW0GwSjuVGZNsvCz2ubSN+vwEn2ZCFcxqWiu/siX0vSNRA/Ep1z1FsoV276y7m2+uFhigIqy0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1646227956; h=Content-Type: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=4nUkkw3I2Ylna9Dz+kHoSlMDaE4Ks63GfLTCbx6AULo=; b=IrSPkhmZzHTxc3qX88UHFK1IZFRhQIgfGnok56P4aXq6DyRk8A4kOoe6XZnL2xR3ptk+nCGWYK2fXEwbJNt9kWArn+bPhmFvYSc9tYghfnAjSpHdsD0sEGFGcG36M0LctpMO/xBfuEvaIVhGKIMeGnOLh3a4h8izZ8FHOttSydQ= 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+87230+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 1646227956099240.35526665231555; Wed, 2 Mar 2022 05:32:36 -0800 (PST) Return-Path: X-Received: by 127.0.0.2 with SMTP id FUR9YY1788612xsKBJJBCOo1; Wed, 02 Mar 2022 05:32:35 -0800 X-Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by mx.groups.io with SMTP id smtpd.web08.7087.1646227955006789591 for ; Wed, 02 Mar 2022 05:32:35 -0800 X-IronPort-AV: E=McAfee;i="6200,9189,10273"; a="314118084" X-IronPort-AV: E=Sophos;i="5.90,149,1643702400"; d="scan'208";a="314118084" X-Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2022 05:32:34 -0800 X-IronPort-AV: E=Sophos;i="5.90,149,1643702400"; d="scan'208";a="535389488" X-Received: from spearce-mobl1.amr.corp.intel.com (HELO sboeuf-mobl.home) ([10.252.27.130]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2022 05:32:32 -0800 From: "Boeuf, Sebastien" To: devel@edk2.groups.io Cc: jiewen.yao@intel.com, jordan.l.justen@intel.com, kraxel@redhat.com, sebastien.boeuf@intel.com Subject: [edk2-devel] [PATCH v6 6/8] OvmfPkg: CloudHv: Retrieve RSDP address from PVH Date: Wed, 2 Mar 2022 14:31:35 +0100 Message-Id: <6c69a0ccf88c3ca9ab73cba362784c2f50aedf33.1646227817.git.sebastien.boeuf@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,sebastien.boeuf@intel.com X-Gm-Message-State: gMkMyHOEyYjBpvQt1ItMEMr4x1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1646227955; bh=0zBPnsVML0RpZpplxIoWqmbd1LUaHKGxeuQVqDHqUYk=; h=Cc:Content-Type:Date:From:Reply-To:Subject:To; b=Qsk3/DBPkpVcQpKhHXij5C/N4Aew0OKE1BnBQJ0jqH1HdiqM8ViJZq4OJTkSwAmRxe5 7yY8wpumPp4OmZwo8QAnTWqJIXqENq3McDRwTwoYllsRPpiWCcC1gD2Q+3F5jNFlju/vZ eiWwPgxHdF9ad936Ezpy3MBu+go22DIfDKc= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1646227957602100005 Content-Type: text/plain; charset="utf-8" From: Sebastien Boeuf Instead of hardcoding the address of the RSDP in the firmware, let's rely on the PVH structure hvm_start_info to retrieve this information. Acked-by: Gerd Hoffmann Signed-off-by: Sebastien Boeuf --- OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf | 2 ++ OvmfPkg/AcpiPlatformDxe/CloudHvAcpi.c | 39 ++++++++++++++------- OvmfPkg/CloudHv/CloudHvX64.fdf | 3 ++ OvmfPkg/Include/IndustryStandard/CloudHv.h | 5 --- 4 files changed, 32 insertions(+), 17 deletions(-) diff --git a/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf b/OvmfPkg/AcpiPlat= formDxe/AcpiPlatformDxe.inf index b36b8413e0..f22bd7cb6d 100644 --- a/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf +++ b/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf @@ -56,6 +56,8 @@ [Pcd] gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId + gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr + gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize =20 [Depex] gEfiAcpiTableProtocolGuid diff --git a/OvmfPkg/AcpiPlatformDxe/CloudHvAcpi.c b/OvmfPkg/AcpiPlatformDx= e/CloudHvAcpi.c index 44a6bb70fe..ff59600d3e 100644 --- a/OvmfPkg/AcpiPlatformDxe/CloudHvAcpi.c +++ b/OvmfPkg/AcpiPlatformDxe/CloudHvAcpi.c @@ -7,9 +7,11 @@ =20 **/ =20 -#include // CLOUDHV_RSDP_ADDRESS -#include // CpuDeadLoop() -#include // DEBUG() +#include // CLOUDHV_RSDP_= ADDRESS +#include // hvm_start_info +#include // CpuDeadLoop() +#include // DEBUG() +#include // PcdGet32() =20 #include "AcpiPlatform.h" =20 @@ -23,20 +25,33 @@ InstallCloudHvTables ( EFI_STATUS Status; UINTN TableHandle; =20 - EFI_ACPI_DESCRIPTION_HEADER *Xsdt; - VOID *CurrentTableEntry; - UINTN CurrentTablePointer; - EFI_ACPI_DESCRIPTION_HEADER *CurrentTable; - UINTN Index; - UINTN NumberOfTableEntries; - EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt2Table; - EFI_ACPI_DESCRIPTION_HEADER *DsdtTable; + EFI_ACPI_DESCRIPTION_HEADER *Xsdt; + VOID *CurrentTableEntry; + UINTN CurrentTablePointer; + EFI_ACPI_DESCRIPTION_HEADER *CurrentTable; + UINTN Index; + UINTN NumberOfTableEntries; + EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt2Table; + EFI_ACPI_DESCRIPTION_HEADER *DsdtTable; + EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *AcpiRsdpStructurePtr; + UINT32 *PVHResetVectorData; + struct hvm_start_info *pvh_start_info; =20 Fadt2Table =3D NULL; DsdtTable =3D NULL; TableHandle =3D 0; NumberOfTableEntries =3D 0; - EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *AcpiRsdpStructurePtr =3D = (VOID *)CLOUDHV_RSDP_ADDRESS; + AcpiRsdpStructurePtr =3D NULL; + PVHResetVectorData =3D NULL; + pvh_start_info =3D NULL; + + PVHResetVectorData =3D (VOID *)(UINTN)PcdGet32 (PcdXenPvhStartOfDayStruc= tPtr); + if (PVHResetVectorData =3D=3D 0) { + return EFI_NOT_FOUND; + } + + pvh_start_info =3D (struct hvm_start_info *)(UINTN)PVHResetVectorD= ata[0]; + AcpiRsdpStructurePtr =3D (EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *= )(UINTN)pvh_start_info->rsdp_paddr; =20 // If XSDT table is found, just install its tables. // Otherwise, try to find and install the RSDT tables. diff --git a/OvmfPkg/CloudHv/CloudHvX64.fdf b/OvmfPkg/CloudHv/CloudHvX64.fdf index 282bcf8634..d80e13ae90 100644 --- a/OvmfPkg/CloudHv/CloudHvX64.fdf +++ b/OvmfPkg/CloudHv/CloudHvX64.fdf @@ -73,6 +73,9 @@ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSnpSecretsBase|gUefiOvm= fPkgTokenSpaceGuid.PcdO 0x00E000|0x001000 gUefiOvmfPkgTokenSpaceGuid.PcdOvmfCpuidBase|gUefiOvmfPkgTokenSpaceGuid.Pcd= OvmfCpuidSize =20 +0x00F000|0x001000 +gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr|gUefiOvmfPkgTokenS= paceGuid.PcdXenPvhStartOfDayStructPtrSize + 0x010000|0x010000 gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamBase|gUefiOvmfPkgTokenSpace= Guid.PcdOvmfSecPeiTempRamSize =20 diff --git a/OvmfPkg/Include/IndustryStandard/CloudHv.h b/OvmfPkg/Include/I= ndustryStandard/CloudHv.h index 86404cc97e..d31ecc9eec 100644 --- a/OvmfPkg/Include/IndustryStandard/CloudHv.h +++ b/OvmfPkg/Include/IndustryStandard/CloudHv.h @@ -38,9 +38,4 @@ // #define CLOUDHV_SMBIOS_ADDRESS 0xf0000 =20 -// -// RSDP address -// -#define CLOUDHV_RSDP_ADDRESS 0xa0000 - #endif // __CLOUDHV_H__ --=20 2.32.0 --------------------------------------------------------------------- Intel Corporation SAS (French simplified joint stock company) Registered headquarters: "Les Montalets"- 2, rue de Paris,=20 92196 Meudon Cedex, France Registration Number: 302 456 199 R.C.S. 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