From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f170.google.com (mail-pl1-f170.google.com [209.85.214.170]) by mx.groups.io with SMTP id smtpd.web09.8113.1667136546457351476 for ; Sun, 30 Oct 2022 06:29:06 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@ventanamicro.com header.s=google header.b=O9xZHZky; spf=pass (domain: ventanamicro.com, ip: 209.85.214.170, mailfrom: sunilvl@ventanamicro.com) Received: by mail-pl1-f170.google.com with SMTP id f23so8655559plr.6 for ; Sun, 30 Oct 2022 06:29:06 -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=O9xZHZkyXW8z2xIp4kLgTG3HmhgRrvHg6vasb0wJJ/xeZGnlJ0IpRdZlZhbtH+vl7K LDHu90PhyXSK5TO7AoSCWqZ8W/7W/55DMKkpNmQMRbajuGyXFf8uOY1Yr/jTxRi5TbE6 XCr0Q3qFmTccFq6eS5o8iptc1YXTKRLUKK8R2w7q2A6vtToqgpmwjKNyRrHECCc7EGUe arVug2bnbjEaadaW83oJEkwqipjEkl0FUpsDk5cIQYPmlr0ERe7z3tom6VRfOQYaK7kS VhGxl5IhUbHdZ33H9qacMcS7Dyyp6D9zJ+bqTSoCBh3lTigCn7mbzlo/LOtTe/WYovza mLDw== 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=JCxJ4IbUIt22rUDfq2bEUs+1lknAPEjPjysR+/ttps75yd3KFUI6GELZFUgit2kFkd z+oRLrN0P/3VEu09TQ6RgUh5UVFrd5+2eRHAAutRMRyJE/Dw4ExrQP/RpRNr/2bvYuQw Oe9hHdzcDjAcYRBP9o8KPUKLMnV4pOxh4iIWymH47mW3UNzi0m1CnzPsyAKsNDsZPJVt jqEOH2WS9aQLNH6CgHHZHuHISaFNoLAJ+YN2lyIQG/vmIlDq+HC/RCdiSDpPFg1+gjz0 vx6HUuUjoAmEw9ZVMg7e4S8o7UxAjeXlqIoJ0CFhhJDyNSMOEA/FKa9dhgmVLP5L86/K MhXA== X-Gm-Message-State: ACrzQf1rf/VKOJlHcyMOeSS8G++CE8w/+wtz6pIaLLX3dWWxV+Q09Gqt XNj08adRF1ZobHk6PhX2dILJAnShPgV9PA== X-Google-Smtp-Source: AMsMyM6dAvVgg35nmuccG+7mPv8W5ATnGfdaN7ZkS9glBnxmFeB3Vq3JIhhTZfVfmsZ1LEgcW432Ag== X-Received: by 2002:a17:90a:d50e:b0:213:7a2e:8991 with SMTP id t14-20020a17090ad50e00b002137a2e8991mr9720281pju.113.1667136545816; Sun, 30 Oct 2022 06:29:05 -0700 (PDT) Return-Path: Received: from localhost.localdomain ([49.206.12.236]) by smtp.gmail.com with ESMTPSA id r10-20020aa79eca000000b0056b6a22d6c9sm2612330pfq.212.2022.10.30.06.29.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Oct 2022 06:29:05 -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 V5 06/30] OvmfPkg/PlatformInitLib: Add support for RISC-V Date: Sun, 30 Oct 2022 18:58:18 +0530 Message-Id: <20221030132842.54077-7-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221030132842.54077-1-sunilvl@ventanamicro.com> References: <20221030132842.54077-1-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