From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wout2-smtp.messagingengine.com (wout2-smtp.messagingengine.com [64.147.123.25]) by mx.groups.io with SMTP id smtpd.web10.58559.1683810256111566691 for ; Thu, 11 May 2023 06:04:16 -0700 Authentication-Results: mx.groups.io; dkim=fail reason="signature has expired" header.i=@bsdio.com header.s=fm1 header.b=aGUk/Gww; spf=pass (domain: bsdio.com, ip: 64.147.123.25, mailfrom: rebecca@bsdio.com) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.west.internal (Postfix) with ESMTP id CF3783200956; Thu, 11 May 2023 09:04:14 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Thu, 11 May 2023 09:04:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdio.com; h=cc :cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to; s=fm1; t= 1683810254; x=1683896654; bh=sUDox5Fz8s2fHe8agOpuejoYTD9gMpztunl 3gukitIU=; b=aGUk/Gwwr42wikkrlFmfROWtS3fKQO2scZVHAakKK5fa47aMgbu c/W4CS6huHGn569Kmh8y/QVfJub7oZrvC6/sNa0aF/63oLgQOX019q8zSXp0pAHs hcUQJGrYkT0TIAr3qDtxooCUH8dJ27wrelnkg8cJi3d2Xl6EzlKwpKmKHydT75+8 cuzVzUAHF+Odj2xaiH2Hjl3k7JApEElX0KIyuHAhbU3W+m+kcdlW6ydjm0H7oi3f FbZzdcg+RxtztZ4wxxdYYAlOTvpIHg57fLHkZcvqcXwhb+9om6Yg0DkJdi7do6/D 7/AL695ixrtd5H2fqYFm5LB7l4aViWuLGyg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t= 1683810254; x=1683896654; bh=sUDox5Fz8s2fHe8agOpuejoYTD9gMpztunl 3gukitIU=; b=VXcnk+DyGAzxs728J7bKlF97l5LrbnMzlMO2UpA7MEcaaptpIR0 cdvJ0AVaS7YyAMQU4u625WqIMg/zMV5y/MAV2WM25cqc88b/LDdB5qjOmDGcAtab r/NqmiMr4RHpQXRBZnYO/EeMUSdhLzd5+9z1c53THFqPfjnPFPzClEMS1mAp1LIU UzrXBW0idwmvdmsci7B11atNnDfODcpQj1MENa201PnQO70qA+l+91a6xgz0b++5 VvKWVb5kTd8SWNIFLl9wgZ2b2bOmzVV1NhTAnSZ9lGYtz5Yh9klU7c+uWA3eXPAf trwQ/09+Avch07WraaF80dqXlpWw2OD+idA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrfeegkedgheelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepkfffgggfuffvvehfhfgjtgfgsehtkeertddtfeejnecuhfhrohhmpeftvggs vggttggrucevrhgrnhcuoehrvggsvggttggrsegsshguihhordgtohhmqeenucggtffrrg htthgvrhhnpeegfeegveduheejgfduffefhfehleehiefghfetvdejvdelhfeukefhhfdv geehveenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpe hrvggsvggttggrsegsshguihhordgtohhm X-ME-Proxy: Feedback-ID: i5b994698:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 11 May 2023 09:04:12 -0400 (EDT) Message-ID: <27804822-1d6e-de40-a953-b46cf639c05d@bsdio.com> Date: Thu, 11 May 2023 07:04:11 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [edk2-devel] [PATCH v5 2/3] OvmfPkg/Xen: export AcpiTable installation into AcpiPlatformLib To: devel@edk2.groups.io, corvink@FreeBSD.org Cc: Gerd Hoffmann , Ard Biesheuvel , Jiewen Yao , Jordan Justen , Anthony Perard , Julien Grall References: <20230511120239.695237-1-corvink@FreeBSD.org> <20230511120239.695237-2-corvink@FreeBSD.org> From: "Rebecca Cran" In-Reply-To: <20230511120239.695237-2-corvink@FreeBSD.org> Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Could you cc me on _all_ of the patches in a series please? I seem to have been missed on this one, and only cc'd on 3/3. -- Rebecca Cran On 5/11/23 06:02, Corvin Köhne wrote: > This makes the function reuseable by bhyve. > > Signed-off-by: Corvin Köhne > Acked-by: Gerd Hoffmann > Cc: Ard Biesheuvel > Cc: Jiewen Yao > Cc: Jordan Justen > Cc: Anthony Perard > Cc: Julien Grall > --- > .../XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf | 1 - > OvmfPkg/Include/Library/AcpiPlatformLib.h | 25 ++ > .../AcpiPlatformLib/DxeAcpiPlatformLib.c | 185 +++++++++++++ > OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c | 47 +++- > OvmfPkg/XenAcpiPlatformDxe/Xen.c | 257 ------------------ > 5 files changed, 254 insertions(+), 261 deletions(-) > delete mode 100644 OvmfPkg/XenAcpiPlatformDxe/Xen.c > > diff --git a/OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf b/OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf > index 65374569ddc2..be175d290f92 100644 > --- a/OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf > +++ b/OvmfPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf > @@ -25,7 +25,6 @@ [Sources] > AcpiPlatform.c > AcpiPlatform.h > EntryPoint.c > - Xen.c > > [Packages] > MdePkg/MdePkg.dec > diff --git a/OvmfPkg/Include/Library/AcpiPlatformLib.h b/OvmfPkg/Include/Library/AcpiPlatformLib.h > index b0a3c5bd0048..73a170636032 100644 > --- a/OvmfPkg/Include/Library/AcpiPlatformLib.h > +++ b/OvmfPkg/Include/Library/AcpiPlatformLib.h > @@ -4,6 +4,8 @@ > SPDX-License-Identifier: BSD-2-Clause-Patent > **/ > > +#include > + > /** > Searches and returns the address of the ACPI Root System Description Pointer (RSDP) in system memory. > > @@ -22,3 +24,26 @@ GetAcpiRsdpFromMemory ( > IN UINT64 EndAddress, > OUT EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER **RsdpPtr > ); > + > +/** > + Get Acpi tables from the RSDP structure. And installs ACPI tables > + into the RSDT/XSDT using InstallAcpiTable. Some signature of the installed > + ACPI tables are: FACP, APIC, HPET, WAET, SSDT, FACS, DSDT. > + > + @param AcpiProtocol Protocol instance pointer. > + > + @return EFI_SUCCESS The table was successfully inserted. > + @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableHandle is > + NULL, or AcpiTableBufferSize and the size > + field embedded in the ACPI table pointed to > + by AcpiTableBuffer are not in sync. > + @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the > +request. > + > +**/ > +EFI_STATUS > +EFIAPI > +InstallAcpiTablesFromRsdp ( > + IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol, > + IN EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp > + ); > diff --git a/OvmfPkg/Library/AcpiPlatformLib/DxeAcpiPlatformLib.c b/OvmfPkg/Library/AcpiPlatformLib/DxeAcpiPlatformLib.c > index ce52ad31cf25..06b9b88eb347 100644 > --- a/OvmfPkg/Library/AcpiPlatformLib/DxeAcpiPlatformLib.c > +++ b/OvmfPkg/Library/AcpiPlatformLib/DxeAcpiPlatformLib.c > @@ -60,3 +60,188 @@ GetAcpiRsdpFromMemory ( > > return EFI_NOT_FOUND; > } > + > +EFI_STATUS > +EFIAPI > +InstallAcpiTablesFromRsdp ( > + IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol, > + IN EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp > + ) > +{ > + EFI_STATUS Status; > + UINTN TableHandle; > + > + EFI_ACPI_DESCRIPTION_HEADER *Rsdt; > + 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_1_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt1Table; > + EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs2Table; > + EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs1Table; > + EFI_ACPI_DESCRIPTION_HEADER *DsdtTable; > + > + Fadt2Table = NULL; > + Fadt1Table = NULL; > + Facs2Table = NULL; > + Facs1Table = NULL; > + DsdtTable = NULL; > + TableHandle = 0; > + NumberOfTableEntries = 0; > + > + // > + // If XSDT table is find, just install its tables. > + // Otherwise, try to find and install the RSDT tables. > + // > + if (Rsdp->XsdtAddress) { > + // > + // Retrieve the addresses of XSDT and > + // calculate the number of its table entries. > + // > + Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)Rsdp->XsdtAddress; > + NumberOfTableEntries = > + (Xsdt->Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof (UINT64); > + > + // > + // Install ACPI tables found in XSDT. > + // > + for (Index = 0; Index < NumberOfTableEntries; Index++) { > + // > + // Get the table entry from XSDT > + // > + CurrentTableEntry = > + (VOID *)((UINT8 *)Xsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + > + Index * sizeof (UINT64)); > + CurrentTablePointer = (UINTN)*(UINT64 *)CurrentTableEntry; > + CurrentTable = (EFI_ACPI_DESCRIPTION_HEADER *)CurrentTablePointer; > + > + // > + // Install the XSDT tables > + // > + Status = AcpiProtocol->InstallAcpiTable ( > + AcpiProtocol, > + CurrentTable, > + CurrentTable->Length, > + &TableHandle > + ); > + > + if (EFI_ERROR (Status)) { > + return Status; > + } > + > + // > + // Get the FACS and DSDT table address from the table FADT > + // > + if (!AsciiStrnCmp ((CHAR8 *)&CurrentTable->Signature, "FACP", 4)) { > + Fadt2Table = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN) > + CurrentTablePointer; > + Facs2Table = (EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)(UINTN) > + Fadt2Table->FirmwareCtrl; > + DsdtTable = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)Fadt2Table->Dsdt; > + } > + } > + } else if (Rsdp->RsdtAddress) { > + // > + // Retrieve the addresses of RSDT and > + // calculate the number of its table entries. > + // > + Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)Rsdp->RsdtAddress; > + NumberOfTableEntries = > + (Rsdt->Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / sizeof (UINT32); > + > + // > + // Install ACPI tables found in XSDT. > + // > + for (Index = 0; Index < NumberOfTableEntries; Index++) { > + // > + // Get the table entry from RSDT > + // > + CurrentTableEntry = > + (UINT32 *)((UINT8 *)Rsdt + sizeof (EFI_ACPI_DESCRIPTION_HEADER) + > + Index * sizeof (UINT32)); > + CurrentTablePointer = *(UINT32 *)CurrentTableEntry; > + CurrentTable = (EFI_ACPI_DESCRIPTION_HEADER *)CurrentTablePointer; > + > + // > + // Install the RSDT tables > + // > + Status = AcpiProtocol->InstallAcpiTable ( > + AcpiProtocol, > + CurrentTable, > + CurrentTable->Length, > + &TableHandle > + ); > + > + if (EFI_ERROR (Status)) { > + return Status; > + } > + > + // > + // Get the FACS and DSDT table address from the table FADT > + // > + if (!AsciiStrnCmp ((CHAR8 *)&CurrentTable->Signature, "FACP", 4)) { > + Fadt1Table = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN) > + CurrentTablePointer; > + Facs1Table = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)(UINTN) > + Fadt1Table->FirmwareCtrl; > + DsdtTable = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)Fadt1Table->Dsdt; > + } > + } > + } > + > + // > + // Install the FACS table. > + // > + if (Fadt2Table) { > + // > + // FACS 2.0 > + // > + Status = AcpiProtocol->InstallAcpiTable ( > + AcpiProtocol, > + Facs2Table, > + Facs2Table->Length, > + &TableHandle > + ); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + } else if (Fadt1Table) { > + // > + // FACS 1.0 > + // > + Status = AcpiProtocol->InstallAcpiTable ( > + AcpiProtocol, > + Facs1Table, > + Facs1Table->Length, > + &TableHandle > + ); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + } > + > + // > + // Install DSDT table. If we reached this point without finding the DSDT, > + // then we're out of sync with the hypervisor, and cannot continue. > + // > + if (DsdtTable == NULL) { > + DEBUG ((DEBUG_ERROR, "%a: no DSDT found\n", __func__)); > + ASSERT (FALSE); > + CpuDeadLoop (); > + } > + > + Status = AcpiProtocol->InstallAcpiTable ( > + AcpiProtocol, > + DsdtTable, > + DsdtTable->Length, > + &TableHandle > + ); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + > + return EFI_SUCCESS; > +} > diff --git a/OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c b/OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c > index e06bb25dfc15..2dbc812953d2 100644 > --- a/OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c > +++ b/OvmfPkg/XenAcpiPlatformDxe/AcpiPlatform.c > @@ -7,10 +7,15 @@ > > **/ > > -#include // XenDetected() > +#include // InstallAcpiTablesFromMemory() > +#include // DEBUG() > +#include // XenDetected() > > #include "AcpiPlatform.h" > > +#define XEN_ACPI_PHYSICAL_ADDRESS 0x000EA020 > +#define XEN_BIOS_PHYSICAL_END 0x000FFFFF > + > /** > Effective entrypoint of Acpi Platform driver. > > @@ -28,10 +33,46 @@ InstallAcpiTables ( > IN EFI_ACPI_TABLE_PROTOCOL *AcpiTable > ) > { > - EFI_STATUS Status; > + EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *RsdpStructurePtr; > + EFI_XEN_INFO *XenInfo; > + EFI_STATUS Status; > > if (XenDetected ()) { > - Status = InstallXenTables (AcpiTable); > + // > + // Detect the RSDP structure > + // > + > + // > + // First look for PVH one > + // > + XenInfo = XenGetInfoHOB (); > + ASSERT (XenInfo != NULL); > + if (XenInfo->RsdpPvh != NULL) { > + DEBUG (( > + DEBUG_INFO, > + "%a: Use ACPI RSDP table at 0x%p\n", > + gEfiCallerBaseName, > + XenInfo->RsdpPvh > + )); > + RsdpStructurePtr = XenInfo->RsdpPvh; > + } else { > + // > + // Otherwise, look for the HVM one > + // > + Status = GetAcpiRsdpFromMemory ( > + XEN_ACPI_PHYSICAL_ADDRESS, > + XEN_BIOS_PHYSICAL_END, > + &RsdpStructurePtr > + ); > + if (EFI_ERROR (Status)) { > + return Status; > + } > + } > + > + Status = InstallAcpiTablesFromRsdp ( > + AcpiTable, > + RsdpStructurePtr > + ); > } else { > Status = EFI_UNSUPPORTED; > } > diff --git a/OvmfPkg/XenAcpiPlatformDxe/Xen.c b/OvmfPkg/XenAcpiPlatformDxe/Xen.c > deleted file mode 100644 > index a3812cb8d6d9..000000000000 > --- a/OvmfPkg/XenAcpiPlatformDxe/Xen.c > +++ /dev/null > @@ -1,257 +0,0 @@ > -/** @file > - OVMF ACPI Xen support > - > - Copyright (C) 2021, Red Hat, Inc. > - Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.
> - Copyright (c) 2012, Bei Guan > - > - SPDX-License-Identifier: BSD-2-Clause-Patent > - > -**/ > - > -#include > -#include // CpuDeadLoop() > -#include // DEBUG() > -#include // XenGetInfoHOB() > - > -#include "AcpiPlatform.h" > - > -#define XEN_ACPI_PHYSICAL_ADDRESS 0x000EA020 > -#define XEN_BIOS_PHYSICAL_END 0x000FFFFF > - > -EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *XenAcpiRsdpStructurePtr = NULL; > - > -/** > - Get Xen Acpi tables from the RSDP structure. And installs Xen ACPI tables > - into the RSDT/XSDT using InstallAcpiTable. Some signature of the installed > - ACPI tables are: FACP, APIC, HPET, WAET, SSDT, FACS, DSDT. > - > - @param AcpiProtocol Protocol instance pointer. > - > - @return EFI_SUCCESS The table was successfully inserted. > - @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableHandle is > - NULL, or AcpiTableBufferSize and the size > - field embedded in the ACPI table pointed to > - by AcpiTableBuffer are not in sync. > - @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request. > - > -**/ > -EFI_STATUS > -EFIAPI > -InstallXenTables ( > - IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol > - ) > -{ > - EFI_STATUS Status; > - UINTN TableHandle; > - > - EFI_ACPI_DESCRIPTION_HEADER *Rsdt; > - 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_1_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt1Table; > - EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs2Table; > - EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs1Table; > - EFI_ACPI_DESCRIPTION_HEADER *DsdtTable; > - EFI_XEN_INFO *XenInfo; > - > - Fadt2Table = NULL; > - Fadt1Table = NULL; > - Facs2Table = NULL; > - Facs1Table = NULL; > - DsdtTable = NULL; > - TableHandle = 0; > - NumberOfTableEntries = 0; > - > - // > - // Detect the RSDP structure > - // > - > - // > - // First look for PVH one > - // > - XenInfo = XenGetInfoHOB (); > - ASSERT (XenInfo != NULL); > - if (XenInfo->RsdpPvh != NULL) { > - DEBUG (( > - DEBUG_INFO, > - "%a: Use ACPI RSDP table at 0x%p\n", > - gEfiCallerBaseName, > - XenInfo->RsdpPvh > - )); > - XenAcpiRsdpStructurePtr = XenInfo->RsdpPvh; > - } else { > - // > - // Otherwise, look for the HVM one > - // > - Status = GetAcpiRsdpFromMemory ( > - XEN_ACPI_PHYSICAL_ADDRESS, > - XEN_BIOS_PHYSICAL_END, > - &XenAcpiRsdpStructurePtr > - ); > - if (EFI_ERROR (Status)) { > - return Status; > - } > - } > - > - // > - // If XSDT table is find, just install its tables. > - // Otherwise, try to find and install the RSDT tables. > - // > - if (XenAcpiRsdpStructurePtr->XsdtAddress) { > - // > - // Retrieve the addresses of XSDT and > - // calculate the number of its table entries. > - // > - Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN) > - XenAcpiRsdpStructurePtr->XsdtAddress; > - NumberOfTableEntries = (Xsdt->Length - > - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / > - sizeof (UINT64); > - > - // > - // Install ACPI tables found in XSDT. > - // > - for (Index = 0; Index < NumberOfTableEntries; Index++) { > - // > - // Get the table entry from XSDT > - // > - CurrentTableEntry = (VOID *)((UINT8 *)Xsdt + > - sizeof (EFI_ACPI_DESCRIPTION_HEADER) + > - Index * sizeof (UINT64)); > - CurrentTablePointer = (UINTN)*(UINT64 *)CurrentTableEntry; > - CurrentTable = (EFI_ACPI_DESCRIPTION_HEADER *)CurrentTablePointer; > - > - // > - // Install the XSDT tables > - // > - Status = AcpiProtocol->InstallAcpiTable ( > - AcpiProtocol, > - CurrentTable, > - CurrentTable->Length, > - &TableHandle > - ); > - > - if (EFI_ERROR (Status)) { > - return Status; > - } > - > - // > - // Get the FACS and DSDT table address from the table FADT > - // > - if (!AsciiStrnCmp ((CHAR8 *)&CurrentTable->Signature, "FACP", 4)) { > - Fadt2Table = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *) > - (UINTN)CurrentTablePointer; > - Facs2Table = (EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) > - (UINTN)Fadt2Table->FirmwareCtrl; > - DsdtTable = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)Fadt2Table->Dsdt; > - } > - } > - } else if (XenAcpiRsdpStructurePtr->RsdtAddress) { > - // > - // Retrieve the addresses of RSDT and > - // calculate the number of its table entries. > - // > - Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN) > - XenAcpiRsdpStructurePtr->RsdtAddress; > - NumberOfTableEntries = (Rsdt->Length - > - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / > - sizeof (UINT32); > - > - // > - // Install ACPI tables found in XSDT. > - // > - for (Index = 0; Index < NumberOfTableEntries; Index++) { > - // > - // Get the table entry from RSDT > - // > - CurrentTableEntry = (UINT32 *)((UINT8 *)Rsdt + > - sizeof (EFI_ACPI_DESCRIPTION_HEADER) + > - Index * sizeof (UINT32)); > - CurrentTablePointer = *(UINT32 *)CurrentTableEntry; > - CurrentTable = (EFI_ACPI_DESCRIPTION_HEADER *)CurrentTablePointer; > - > - // > - // Install the RSDT tables > - // > - Status = AcpiProtocol->InstallAcpiTable ( > - AcpiProtocol, > - CurrentTable, > - CurrentTable->Length, > - &TableHandle > - ); > - > - if (EFI_ERROR (Status)) { > - return Status; > - } > - > - // > - // Get the FACS and DSDT table address from the table FADT > - // > - if (!AsciiStrnCmp ((CHAR8 *)&CurrentTable->Signature, "FACP", 4)) { > - Fadt1Table = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *) > - (UINTN)CurrentTablePointer; > - Facs1Table = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *) > - (UINTN)Fadt1Table->FirmwareCtrl; > - DsdtTable = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)Fadt1Table->Dsdt; > - } > - } > - } > - > - // > - // Install the FACS table. > - // > - if (Fadt2Table) { > - // > - // FACS 2.0 > - // > - Status = AcpiProtocol->InstallAcpiTable ( > - AcpiProtocol, > - Facs2Table, > - Facs2Table->Length, > - &TableHandle > - ); > - if (EFI_ERROR (Status)) { > - return Status; > - } > - } else if (Fadt1Table) { > - // > - // FACS 1.0 > - // > - Status = AcpiProtocol->InstallAcpiTable ( > - AcpiProtocol, > - Facs1Table, > - Facs1Table->Length, > - &TableHandle > - ); > - if (EFI_ERROR (Status)) { > - return Status; > - } > - } > - > - // > - // Install DSDT table. If we reached this point without finding the DSDT, > - // then we're out of sync with the hypervisor, and cannot continue. > - // > - if (DsdtTable == NULL) { > - DEBUG ((DEBUG_ERROR, "%a: no DSDT found\n", __func__)); > - ASSERT (FALSE); > - CpuDeadLoop (); > - } > - > - Status = AcpiProtocol->InstallAcpiTable ( > - AcpiProtocol, > - DsdtTable, > - DsdtTable->Length, > - &TableHandle > - ); > - if (EFI_ERROR (Status)) { > - return Status; > - } > - > - return EFI_SUCCESS; > -}