From nobody Sun Feb 8 08:43:20 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+95738+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+95738+1787277+3901457@groups.io ARC-Seal: i=1; a=rsa-sha256; t=1667136566; cv=none; d=zohomail.com; s=zohoarc; b=SJj5HanTvHyh1NElqjWxNAiHc6wYkUTLIfRFEUQ1o9P5irLY0Sanb6WmJmOR1OeHCYXWpf1z6mcd9t7jL51LwQg/tvTi6GIIXuth5oLM40McrrsKQUSMY1WuT19iRyy9oIrcsko9m7bth89/GYSeZ384rh06zjv9BY5OA4QtphY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1667136566; 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; 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Sun, 30 Oct 2022 06:29:23 -0700 (PDT) X-Received: from localhost.localdomain ([49.206.12.236]) by smtp.gmail.com with ESMTPSA id r10-20020aa79eca000000b0056b6a22d6c9sm2612330pfq.212.2022.10.30.06.29.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Oct 2022 06:29:23 -0700 (PDT) From: "Sunil V L" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Jiewen Yao , Jordan Justen , Gerd Hoffmann , Daniel Schaefer , Abner Chang Subject: [edk2-devel] [edk2-staging/RiscV64QemuVirt PATCH V5 12/30] OvmfPkg/PlatformPei: Add support for RISC-V Date: Sun, 30 Oct 2022 18:58:24 +0530 Message-Id: <20221030132842.54077-13-sunilvl@ventanamicro.com> In-Reply-To: <20221030132842.54077-1-sunilvl@ventanamicro.com> References: <20221030132842.54077-1-sunilvl@ventanamicro.com> 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,sunilvl@ventanamicro.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=1667136565; bh=XgNPRp8QSKl0EZw8/P1vysphmirX+tbHEaczwGbscgI=; h=Cc:Date:From:Reply-To:Subject:To; b=qJzHTyPowUK7AecaNJGpfmFU+AE5aE6iqkJnWRVDRcqtCdHdMBxTNu+04rFteYVCBDr UNooGyIIKNv283l09fms0z3CHUFXtQg+HbDEm36X1qSrXyVrYVebsMlkh2nFMjQVcD83x K9aBRkwK1CMvSAbM64Cptxx7g837WW+lQ/Y= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1667136568090100004 Content-Type: text/plain; charset="utf-8" REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D4076 This is mostly copied from edk2-platforms/Platform/RISC-V/PlatformPkg/Universal/Pei/PlatformPei Cc: Ard Biesheuvel Cc: Jiewen Yao Cc: Jordan Justen Cc: Gerd Hoffmann Cc: Daniel Schaefer Cc: Abner Chang Signed-off-by: Sunil V L Acked-by: Abner Chang --- OvmfPkg/PlatformPei/PlatformPei.inf | 9 + OvmfPkg/PlatformPei/RiscV64/Platform.h | 97 +++++ OvmfPkg/PlatformPei/RiscV64/Fv.c | 81 +++++ OvmfPkg/PlatformPei/RiscV64/MemDetect.c | 212 +++++++++++ OvmfPkg/PlatformPei/RiscV64/Platform.c | 372 ++++++++++++++++++++ 5 files changed, 771 insertions(+) diff --git a/OvmfPkg/PlatformPei/PlatformPei.inf b/OvmfPkg/PlatformPei/Plat= formPei.inf index c637f621cb1f..5d873c34ca67 100644 --- a/OvmfPkg/PlatformPei/PlatformPei.inf +++ b/OvmfPkg/PlatformPei/PlatformPei.inf @@ -33,6 +33,12 @@ [Sources.IA32, Sources.X64] Ia32X64/Platform.h Ia32X64/IntelTdx.c =20 +[Sources.RISCV64] + RiscV64/Fv.c + RiscV64/MemDetect.c + RiscV64/Platform.c + RiscV64/Platform.h + [Packages] EmbeddedPkg/EmbeddedPkg.dec MdePkg/MdePkg.dec @@ -68,6 +74,9 @@ [LibraryClasses.IA32, LibraryClasses.X64] QemuFwCfgSimpleParserLib MemEncryptSevLib =20 +[LibraryClasses.RISCV64] + RiscVSbiLib + [Pcd] gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvBase gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvSize diff --git a/OvmfPkg/PlatformPei/RiscV64/Platform.h b/OvmfPkg/PlatformPei/R= iscV64/Platform.h new file mode 100644 index 000000000000..6c23c722a360 --- /dev/null +++ b/OvmfPkg/PlatformPei/RiscV64/Platform.h @@ -0,0 +1,97 @@ +/** @file + Platform PEI module include file. + + Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All right= s reserved.
+ Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef PLATFORM_PEI_H_INCLUDED_ +#define PLATFORM_PEI_H_INCLUDED_ + +VOID +AddIoMemoryBaseSizeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + UINT64 MemorySize + ); + +VOID +AddIoMemoryRangeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + EFI_PHYSICAL_ADDRESS MemoryLimit + ); + +VOID +AddMemoryBaseSizeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + UINT64 MemorySize + ); + +VOID +AddMemoryRangeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + EFI_PHYSICAL_ADDRESS MemoryLimit + ); + +VOID +AddUntestedMemoryBaseSizeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + UINT64 MemorySize + ); + +VOID +AddReservedMemoryBaseSizeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + UINT64 MemorySize + ); + +VOID +AddUntestedMemoryRangeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + EFI_PHYSICAL_ADDRESS MemoryLimit + ); + +VOID +AddressWidthInitialization ( + VOID + ); + +EFI_STATUS +PublishPeiMemory ( + VOID + ); + +UINT32 +GetSystemMemorySizeBelow4gb ( + VOID + ); + +VOID +InitializeRamRegions ( + VOID + ); + +EFI_STATUS +PeiFvInitialization ( + VOID + ); + +EFI_STATUS +InitializeXen ( + VOID + ); + +/** + Build processor and platform information for the U5 platform + + @return EFI_SUCCESS Status. + +**/ +EFI_STATUS +BuildRiscVSmbiosHobs ( + VOID + ); + +#endif // _PLATFORM_PEI_H_INCLUDED_ diff --git a/OvmfPkg/PlatformPei/RiscV64/Fv.c b/OvmfPkg/PlatformPei/RiscV64= /Fv.c new file mode 100644 index 000000000000..ff99c1432935 --- /dev/null +++ b/OvmfPkg/PlatformPei/RiscV64/Fv.c @@ -0,0 +1,81 @@ +/** @file + Build FV related hobs for platform. + + Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All right= s reserved.
+ Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "PiPei.h" +#include "Platform.h" +#include +#include +#include +#include + +/** + Publish PEI & DXE (Decompressed) Memory based FVs to let PEI + and DXE know about them. + + @retval EFI_SUCCESS Platform PEI FVs were initialized successfully. + +**/ +EFI_STATUS +PeiFvInitialization ( + VOID + ) +{ + DEBUG ((DEBUG_INFO, "Platform PEI Firmware Volume Initialization\n")); + + // Create a memory allocation HOB for the DXE FV. + // + // If "secure" S3 is needed, then SEC will decompress both PEI and DXE + // firmware volumes at S3 resume too, hence we need to keep away the OS = from + // DXEFV as well. Otherwise we only need to keep away DXE itself from the + // DXEFV area. + // + BuildMemoryAllocationHob ( + PcdGet32 (PcdOvmfPeiMemFvBase), + PcdGet32 (PcdOvmfPeiMemFvSize), + EfiBootServicesData + ); + + // + // Let DXE know about the DXE FV + // + BuildFvHob (PcdGet32 (PcdOvmfDxeMemFvBase), PcdGet32 (PcdOvmfDxeMemFvSiz= e)); + DEBUG (( + DEBUG_INFO, + "Platform builds DXE FV at %x, size %x.\n", + PcdGet32 (PcdOvmfDxeMemFvBase), + PcdGet32 (PcdOvmfDxeMemFvSize) + )); + + // Create a memory allocation HOB for the DXE FV. + // + // If "secure" S3 is needed, then SEC will decompress both PEI and DXE + // firmware volumes at S3 resume too, hence we need to keep away the OS = from + // DXEFV as well. Otherwise we only need to keep away DXE itself from the + // DXEFV area. + // + BuildMemoryAllocationHob ( + PcdGet32 (PcdOvmfDxeMemFvBase), + PcdGet32 (PcdOvmfDxeMemFvSize), + EfiBootServicesData + ); + + // + // Let PEI know about the DXE FV so it can find the DXE Core + // + PeiServicesInstallFvInfoPpi ( + NULL, + (VOID *)(UINTN)PcdGet32 (PcdOvmfDxeMemFvBase), + PcdGet32 (PcdOvmfDxeMemFvSize), + NULL, + NULL + ); + + return EFI_SUCCESS; +} diff --git a/OvmfPkg/PlatformPei/RiscV64/MemDetect.c b/OvmfPkg/PlatformPei/= RiscV64/MemDetect.c new file mode 100644 index 000000000000..eb9d24581f8d --- /dev/null +++ b/OvmfPkg/PlatformPei/RiscV64/MemDetect.c @@ -0,0 +1,212 @@ +/** @file + Memory Detection for Virtual Machines. + + Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All right= s reserved.
+ Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +Module Name: + + MemDetect.c + +**/ + +// +// The package level header files this module uses +// +#include + +// +// The Library classes this module consumes +// +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include + +#include "Platform.h" + +STATIC EFI_PHYSICAL_ADDRESS SystemMemoryBase; +STATIC UINT64 SystemMemorySize; +STATIC EFI_PHYSICAL_ADDRESS MmodeResvBase; +STATIC UINT64 MmodeResvSize; + +/** + Publish PEI core memory. + + @return EFI_SUCCESS The PEIM initialized successfully. + +**/ +EFI_STATUS +PublishPeiMemory ( + VOID + ) +{ + EFI_RISCV_FIRMWARE_CONTEXT *FirmwareContext; + EFI_PHYSICAL_ADDRESS MemoryBase; + CONST UINT64 *RegProp; + CONST CHAR8 *Type; + EFI_STATUS Status; + UINT64 CurBase, CurSize; + UINT64 NewBase =3D 0, NewSize =3D 0; + UINT64 MemorySize; + INT32 Node, Prev; + INT32 Len; + VOID *FdtPointer; + + FirmwareContext =3D NULL; + GetFirmwareContextPointer (&FirmwareContext); + + if (FirmwareContext =3D=3D NULL) { + DEBUG ((DEBUG_ERROR, "%a: Firmware Context is NULL\n", __FUNCTION__)); + return EFI_UNSUPPORTED; + } + + FdtPointer =3D (VOID *)FirmwareContext->FlattenedDeviceTree; + if (FdtPointer =3D=3D NULL) { + DEBUG ((DEBUG_ERROR, "%a: Invalid FDT pointer\n", __FUNCTION__)); + return EFI_UNSUPPORTED; + } + + // Look for the lowest memory node + for (Prev =3D 0; ; Prev =3D Node) { + Node =3D fdt_next_node (FdtPointer, Prev, NULL); + if (Node < 0) { + break; + } + + // Check for memory node + Type =3D fdt_getprop (FdtPointer, Node, "device_type", &Len); + if (Type && (AsciiStrnCmp (Type, "memory", Len) =3D=3D 0)) { + // Get the 'reg' property of this node. For now, we will assume + // two 8 byte quantities for base and size, respectively. + RegProp =3D fdt_getprop (FdtPointer, Node, "reg", &Len); + if ((RegProp !=3D 0) && (Len =3D=3D (2 * sizeof (UINT64)))) { + CurBase =3D fdt64_to_cpu (ReadUnaligned64 (RegProp)); + CurSize =3D fdt64_to_cpu (ReadUnaligned64 (RegProp + 1)); + + DEBUG (( + DEBUG_INFO, + "%a: System RAM @ 0x%lx - 0x%lx\n", + __FUNCTION__, + CurBase, + CurBase + CurSize - 1 + )); + + if ((NewBase > CurBase) || (NewBase =3D=3D 0)) { + NewBase =3D CurBase; + NewSize =3D CurSize; + } + } else { + DEBUG (( + DEBUG_ERROR, + "%a: Failed to parse FDT memory node\n", + __FUNCTION__ + )); + } + } + } + + SystemMemoryBase =3D NewBase; + SystemMemorySize =3D NewSize; + + /* try to locate the reserved memory opensbi node */ + Node =3D fdt_path_offset (FdtPointer, "/reserved-memory/mmode_resv0"); + if (Node >=3D 0) { + RegProp =3D fdt_getprop (FdtPointer, Node, "reg", &Len); + if ((RegProp !=3D 0) && (Len =3D=3D (2 * sizeof (UINT64)))) { + NewBase =3D fdt64_to_cpu (ReadUnaligned64 (RegProp)); + NewSize =3D fdt64_to_cpu (ReadUnaligned64 (RegProp + 1)); + DEBUG (( + DEBUG_INFO, + "%a: M-mode Base =3D 0x%lx, M-mode Size =3D 0x%lx\n", + __FUNCTION__, + NewBase, + NewSize + )); + MmodeResvBase =3D NewBase; + MmodeResvSize =3D NewSize; + } + } + + DEBUG (( + DEBUG_INFO, + "%a: SystemMemoryBase:0x%x SystemMemorySize:%x\n", + __FUNCTION__, + SystemMemoryBase, + SystemMemorySize + )); + + // + // Initial 16MB needs to be reserved + // + MemoryBase =3D SystemMemoryBase + SIZE_16MB; + MemorySize =3D SystemMemorySize - SIZE_16MB; + + // + // Publish this memory to the PEI Core + // + Status =3D PublishSystemMemory (MemoryBase, MemorySize); + ASSERT_EFI_ERROR (Status); + + return Status; +} + +/** + Publish system RAM and reserve memory regions. + +**/ +VOID +InitializeRamRegions ( + VOID + ) +{ + /* + * M-mode FW can be loaded anywhere in memory but should not overlap + * with the EDK2. This can happen if some other boot code loads the + * M-mode firmware. + * + * The M-mode firmware memory should be marked as reserved memory + * so that OS doesn't use it. + */ + DEBUG (( + DEBUG_INFO, + "%a: M-mode FW Memory Start:0x%lx End:0x%lx\n", + __FUNCTION__, + MmodeResvBase, + MmodeResvBase + MmodeResvSize + )); + AddReservedMemoryBaseSizeHob (MmodeResvBase, MmodeResvSize); + + if (MmodeResvBase > SystemMemoryBase) { + DEBUG (( + DEBUG_INFO, + "%a: Free Memory Start:0x%lx End:0x%lx\n", + __FUNCTION__, + SystemMemoryBase, + MmodeResvBase + )); + AddMemoryRangeHob (SystemMemoryBase, MmodeResvBase); + } + + DEBUG (( + DEBUG_INFO, + "%a: Free Memory Start:0x%lx End:0x%lx\n", + __FUNCTION__, + MmodeResvBase + MmodeResvSize, + SystemMemoryBase + SystemMemorySize + )); + AddMemoryRangeHob ( + MmodeResvBase + MmodeResvSize, + SystemMemoryBase + SystemMemorySize + ); +} diff --git a/OvmfPkg/PlatformPei/RiscV64/Platform.c b/OvmfPkg/PlatformPei/R= iscV64/Platform.c new file mode 100644 index 000000000000..45a2f44d9cca --- /dev/null +++ b/OvmfPkg/PlatformPei/RiscV64/Platform.c @@ -0,0 +1,372 @@ +/** @file + Platform PEI driver + + Copyright (c) 2019-2022, Hewlett Packard Enterprise Development LP. All = rights reserved.
+ Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.
+ Copyright (c) 2011, Andrei Warkentin + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +// +// The package level header files this module uses +// +#include + +// +// The Library classes this module consumes +// +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "Platform.h" + +EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] =3D { + { EfiACPIMemoryNVS, 0x004 }, + { EfiACPIReclaimMemory, 0x008 }, + { EfiReservedMemoryType, 0x004 }, + { EfiRuntimeServicesData, 0x024 }, + { EfiRuntimeServicesCode, 0x030 }, + { EfiBootServicesCode, 0x180 }, + { EfiBootServicesData, 0xF00 }, + { EfiMaxMemoryType, 0x000 } +}; + +EFI_PEI_PPI_DESCRIPTOR mPpiBootMode[] =3D { + { + EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, + &gEfiPeiMasterBootModePpiGuid, + NULL + } +}; + +STATIC EFI_BOOT_MODE mBootMode =3D BOOT_WITH_FULL_CONFIGURATION; + +/** + Build memory map I/O range resource HOB using the + base address and size. + + @param MemoryBase Memory map I/O base. + @param MemorySize Memory map I/O size. + +**/ +VOID +AddIoMemoryBaseSizeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + UINT64 MemorySize + ) +{ + BuildResourceDescriptorHob ( + EFI_RESOURCE_MEMORY_MAPPED_IO, + EFI_RESOURCE_ATTRIBUTE_PRESENT | + EFI_RESOURCE_ATTRIBUTE_INITIALIZED | + EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | + EFI_RESOURCE_ATTRIBUTE_TESTED, + MemoryBase, + MemorySize + ); +} + +/** + Build reserved memory range resource HOB. + + @param MemoryBase Reserved memory range base address. + @param MemorySize Reserved memory range size. + +**/ +VOID +AddReservedMemoryBaseSizeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + UINT64 MemorySize + ) +{ + BuildResourceDescriptorHob ( + EFI_RESOURCE_MEMORY_RESERVED, + EFI_RESOURCE_ATTRIBUTE_PRESENT | + EFI_RESOURCE_ATTRIBUTE_INITIALIZED | + EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | + EFI_RESOURCE_ATTRIBUTE_TESTED, + MemoryBase, + MemorySize + ); +} + +/** + Build memory map I/O resource using the base address + and the top address of memory range. + + @param MemoryBase Memory map I/O range base address. + @param MemoryLimit The top address of memory map I/O range + +**/ +VOID +AddIoMemoryRangeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + EFI_PHYSICAL_ADDRESS MemoryLimit + ) +{ + AddIoMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase)); +} + +/** + Create memory range resource HOB using the memory base + address and size. + + @param MemoryBase Memory range base address. + @param MemorySize Memory range size. + +**/ +VOID +AddMemoryBaseSizeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + UINT64 MemorySize + ) +{ + BuildResourceDescriptorHob ( + EFI_RESOURCE_SYSTEM_MEMORY, + EFI_RESOURCE_ATTRIBUTE_PRESENT | + EFI_RESOURCE_ATTRIBUTE_INITIALIZED | + EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | + EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | + EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | + EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE | + EFI_RESOURCE_ATTRIBUTE_TESTED, + MemoryBase, + MemorySize + ); +} + +/** + Create memory range resource HOB using memory base + address and top address of the memory range. + + @param MemoryBase Memory range base address. + @param MemoryLimit Memory range size. + +**/ +VOID +AddMemoryRangeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + EFI_PHYSICAL_ADDRESS MemoryLimit + ) +{ + AddMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase)); +} + +/** + Create untested memory range resource HOB using memory base + address and top address of the memory range. + + @param MemoryBase Memory range base address. + @param MemorySize Memory range size. + +**/ +VOID +AddUntestedMemoryBaseSizeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + UINT64 MemorySize + ) +{ + BuildResourceDescriptorHob ( + EFI_RESOURCE_SYSTEM_MEMORY, + EFI_RESOURCE_ATTRIBUTE_PRESENT | + EFI_RESOURCE_ATTRIBUTE_INITIALIZED | + EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE | + EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE | + EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE | + EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE, + MemoryBase, + MemorySize + ); +} + +/** + Create untested memory range resource HOB using memory base + address and top address of the memory range. + + @param MemoryBase Memory range base address. + @param MemoryLimit Memory range size. + +**/ +VOID +AddUntestedMemoryRangeHob ( + EFI_PHYSICAL_ADDRESS MemoryBase, + EFI_PHYSICAL_ADDRESS MemoryLimit + ) +{ + AddUntestedMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryB= ase)); +} + +/** + Add PCI resource. + +**/ +VOID +AddPciResource ( + VOID + ) +{ + // + // Platform-specific + // +} + +/** + Platform memory map initialization. + +**/ +VOID +MemMapInitialization ( + VOID + ) +{ + // + // Create Memory Type Information HOB + // + BuildGuidDataHob ( + &gEfiMemoryTypeInformationGuid, + mDefaultMemoryTypeInformation, + sizeof (mDefaultMemoryTypeInformation) + ); + + // + // Add PCI IO Port space available for PCI resource allocations. + // + AddPciResource (); +} + +/** + Platform misc initialization. + +**/ +VOID +MiscInitialization ( + VOID + ) +{ + // + // Build the CPU HOB with guest RAM size dependent address width and 16-= bits + // of IO space. (Side note: unlike other HOBs, the CPU HOB is needed dur= ing + // S3 resume as well, so we build it unconditionally.) + // + // TODO: Determine this dynamically from the platform + // setting or the HART configuration. + // + BuildCpuHob (56, 32); +} + +/** + Check if system returns from S3. + + @return BOOLEAN TRUE, system returned from S3 + FALSE, system is not returned from S3 + +**/ +BOOLEAN +CheckResumeFromS3 ( + VOID + ) +{ + // + // Platform implementation-specific + // + return FALSE; +} + +/** + Platform boot mode initialization. + +**/ +VOID +BootModeInitialization ( + VOID + ) +{ + EFI_STATUS Status; + + if (CheckResumeFromS3 ()) { + DEBUG ((DEBUG_INFO, "This is wake from S3\n")); + } else { + DEBUG ((DEBUG_INFO, "This is normal boot\n")); + } + + Status =3D PeiServicesSetBootMode (mBootMode); + ASSERT_EFI_ERROR (Status); + + Status =3D PeiServicesInstallPpi (mPpiBootMode); + ASSERT_EFI_ERROR (Status); +} + +/** + Build processor information for U54 Coreplex processor. + + @return EFI_SUCCESS Status. + +**/ +EFI_STATUS +BuildCoreInformationHob ( + VOID + ) +{ + // return BuildRiscVSmbiosHobs (); + return EFI_SUCCESS; +} + +/** + Perform Platform PEI initialization. + + @param FileHandle Handle of the file being invoked. + @param PeiServices Describes the list of possible PEI Services. + + @return EFI_SUCCESS The PEIM initialized successfully. + +**/ +EFI_STATUS +EFIAPI +InitializePlatform ( + IN EFI_PEI_FILE_HANDLE FileHandle, + IN CONST EFI_PEI_SERVICES **PeiServices + ) +{ + EFI_STATUS Status; + + DEBUG ((DEBUG_INFO, "Platform PEIM Loaded\n")); + Status =3D PlatformPeim (); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "PlatformPeim failed\n")); + ASSERT (FALSE); + } + + BootModeInitialization (); + DEBUG ((DEBUG_INFO, "Platform BOOT mode initiated.\n")); + PublishPeiMemory (); + DEBUG ((DEBUG_INFO, "PEI memory published.\n")); + InitializeRamRegions (); + DEBUG ((DEBUG_INFO, "Platform RAM regions initiated.\n")); + + if (mBootMode !=3D BOOT_ON_S3_RESUME) { + PeiFvInitialization (); + MemMapInitialization (); + } + + MiscInitialization (); + Status =3D BuildCoreInformationHob (); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Fail to build processor information HOB.\n")); + ASSERT (FALSE); + } + + return EFI_SUCCESS; +} --=20 2.38.0 -=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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