From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f175.google.com (mail-pf1-f175.google.com [209.85.210.175]) by mx.groups.io with SMTP id smtpd.web12.9571.1665766137254970157 for ; Fri, 14 Oct 2022 09:48:57 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@ventanamicro.com header.s=google header.b=NEAyY4QU; spf=pass (domain: ventanamicro.com, ip: 209.85.210.175, mailfrom: sunilvl@ventanamicro.com) Received: by mail-pf1-f175.google.com with SMTP id 67so5392943pfz.12 for ; Fri, 14 Oct 2022 09:48:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=w5WZO0+WCYa6QKSLwi39QyJb4OTTCYXBbxoDEsCKsQA=; b=NEAyY4QUxxDrscG8ywZXbGRbJ4Iaq3+fBAKSxRZQFQWdnqS0dRnHygZq1UbyEGntr3 PU6/ip0pofkfzRI6kSpa2VZ6RbzZBBO5NM0XmUpMa0ZCbgGMVC9cCZzVFD89iKAXtPLf Htj01j+FwBaWweNnC/SrO13+XEOaoIh+vMJj7jjWukWBULKYpU8C6KeTSuolp/7a/KlO bP5sKWWEQg9Oal46VoUFylEpepd5arhfBJM6z6XA1CCV9tOCjVKZtoxHXDjVt6BzU2oN mbQthkyKdXcrHa+gfCY54lNedy7PSzxUlHtFz4MYPnAkNpyTgH5PBL4vC3J2soksXqjX aVCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=w5WZO0+WCYa6QKSLwi39QyJb4OTTCYXBbxoDEsCKsQA=; b=EDJgO151gCKRRYhyAFGwejWUDsIByvENFAOLYyr/tV+fo4iX76GG2hxXIszJJp51U7 LGbw8be6t/rGYT0IRcFp32iejm0axDej1TfhnoT29bo3S17A2CfFKDlvzb7lu+zj7jXE wG4ULvhUQLLaUlZRSFx/P+bHqoAsStTQrprLN1w5AySiJk4+5gwVMy8KQ7nhrkX/5Axb dEWSFQruh8WSkahpTqWbwZQ1Ki8Gv+CaK090IyyjAcGnJh3FqYiPKhHjZr4tWbnL85xB DUoGcq8MEWic+0IesnyYxzlns6FMzwLnQzm2tELn3OeCN0Izfpi/t+mri4D+aJaCHPrj fT4w== X-Gm-Message-State: ACrzQf2hXCUiQBHcCmnLhAhmioeMS2w6nhHaB+/x4QYbtElX5z7oKfKB 2+tKu3lAQRGBXO+RKoN9jBayoNT3rxgz+A== X-Google-Smtp-Source: AMsMyM4RBudj8fQ6tVZIDs+fKwv/9BVnkrTBvwWbo7VCxKN00UyLAxqaosZehbAZEu3UfJpxb5VXOA== X-Received: by 2002:a63:7:0:b0:45b:693e:7d86 with SMTP id 7-20020a630007000000b0045b693e7d86mr5427735pga.319.1665766136357; Fri, 14 Oct 2022 09:48:56 -0700 (PDT) Return-Path: Received: from localhost.localdomain ([49.206.13.138]) by smtp.gmail.com with ESMTPSA id f3-20020a62db03000000b0056265011136sm1963368pfg.112.2022.10.14.09.48.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 09:48:55 -0700 (PDT) From: "Sunil V L" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Jiewen Yao , Jordan Justen , Gerd Hoffmann , Daniel Schaefer Subject: [edk2-staging/RiscV64QemuVirt PATCH V4 06/34] OvmfPkg/PlatformInitLib: Add support for RISC-V Date: Fri, 14 Oct 2022 22:18:08 +0530 Message-Id: <20221014164836.1513036-7-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221014164836.1513036-1-sunilvl@ventanamicro.com> References: <20221014164836.1513036-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4076 This is copied from edk2-platforms/Platform/RISC-V/PlatformPkg/Universal/FdtPeim but added as part of library instead of a separate module. Cc: Ard Biesheuvel Cc: Jiewen Yao Cc: Jordan Justen Cc: Gerd Hoffmann Cc: Daniel Schaefer Signed-off-by: Sunil V L --- OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf | 9 ++- OvmfPkg/Include/Library/PlatformInitLib.h | 6 ++ OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c | 72 ++++++++++++++++++++ 3 files changed, 86 insertions(+), 1 deletion(-) diff --git a/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf b/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf index 5d31cad1b670..b3a69bf9582c 100644 --- a/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf +++ b/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf @@ -19,7 +19,7 @@ [Defines] # # The following information is for reference only and not required by the build tools. # -# VALID_ARCHITECTURES = IA32 X64 EBC +# VALID_ARCHITECTURES = IA32 X64 EBC RISCV64 # [Sources.IA32, Sources.X64] @@ -33,6 +33,9 @@ [Sources.IA32] [Sources.X64] Ia32X64/IntelTdx.c +[Sources.RISCV64] + RiscV64/PlatformPeiLib.c + [Packages] EmbeddedPkg/EmbeddedPkg.dec MdeModulePkg/MdeModulePkg.dec @@ -58,6 +61,10 @@ [LibraryClasses.IA32, LibraryClasses.X64] [LibraryClasses.X64] TdxLib +[LibraryClasses.RISCV64] + RiscVSbiLib + FdtLib + [Pcd] gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress diff --git a/OvmfPkg/Include/Library/PlatformInitLib.h b/OvmfPkg/Include/Library/PlatformInitLib.h index c5234bf26d45..1b8d1fad3b49 100644 --- a/OvmfPkg/Include/Library/PlatformInitLib.h +++ b/OvmfPkg/Include/Library/PlatformInitLib.h @@ -285,4 +285,10 @@ PlatformInitEmuVariableNvStore ( IN VOID *EmuVariableNvStore ); +EFI_STATUS +EFIAPI +PlatformPeim ( + VOID + ); + #endif // PLATFORM_INIT_LIB_H_ diff --git a/OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c b/OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c new file mode 100644 index 000000000000..266d5ddff58e --- /dev/null +++ b/OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c @@ -0,0 +1,72 @@ +/** @file +The library call to pass the device tree to DXE via HOB. + +Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All rights reserved.
+ +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +// +//// The package level header files this module uses +//// +#include + +#include +#include +#include +#include + +#include + +#include + +/** + @retval EFI_SUCCESS The address of FDT is passed in HOB. + EFI_UNSUPPORTED Can't locate FDT. +**/ +EFI_STATUS +EFIAPI +PlatformPeim ( + VOID + ) +{ + EFI_RISCV_FIRMWARE_CONTEXT *FirmwareContext; + VOID *FdtPointer; + VOID *Base; + VOID *NewBase; + UINTN FdtSize; + UINTN FdtPages; + UINT64 *FdtHobData; + + FirmwareContext = NULL; + GetFirmwareContextPointer (&FirmwareContext); + + if (FirmwareContext == NULL) { + DEBUG ((DEBUG_ERROR, "%a: Firmware Context is NULL\n", __FUNCTION__)); + return EFI_UNSUPPORTED; + } + + FdtPointer = (VOID *)FirmwareContext->FlattenedDeviceTree; + if (FdtPointer == NULL) { + DEBUG ((DEBUG_ERROR, "%a: Invalid FDT pointer\n", __FUNCTION__)); + return EFI_UNSUPPORTED; + } + + DEBUG ((DEBUG_INFO, "%a: Build FDT HOB - FDT at address: 0x%x \n", __FUNCTION__, FdtPointer)); + Base = FdtPointer; + ASSERT (Base != NULL); + ASSERT (fdt_check_header (Base) == 0); + + FdtSize = fdt_totalsize (Base); + FdtPages = EFI_SIZE_TO_PAGES (FdtSize); + NewBase = AllocatePages (FdtPages); + ASSERT (NewBase != NULL); + fdt_open_into (Base, NewBase, EFI_PAGES_TO_SIZE (FdtPages)); + + FdtHobData = BuildGuidHob (&gFdtHobGuid, sizeof *FdtHobData); + ASSERT (FdtHobData != NULL); + *FdtHobData = (UINTN)NewBase; + + return EFI_SUCCESS; +} -- 2.38.0