From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f169.google.com (mail-pg1-f169.google.com [209.85.215.169]) by mx.groups.io with SMTP id smtpd.web12.5667.1665655134797578039 for ; Thu, 13 Oct 2022 02:58:54 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@ventanamicro.com header.s=google header.b=iuCypO8H; spf=pass (domain: ventanamicro.com, ip: 209.85.215.169, mailfrom: sunilvl@ventanamicro.com) Received: by mail-pg1-f169.google.com with SMTP id 129so1139328pgc.5 for ; Thu, 13 Oct 2022 02:58:54 -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=z5Tc7Pw68iQTxOMBN3ZCgl4Rf67N8sJj62JIDhAsbtA=; b=iuCypO8HMhG+hsUcDliBoczC18YEl8MjywFiQICYhHCvUNLm34Pvetxfx0fAcT8IgS W2/fHFCuOELHnH4gbeaVWkORFz4UVZ4q1p+1fw0U/Ow5JC05ZXbY7VVfJ7POQ1dF7t5V xYu0jPi178RhOxaEi5fI9Xh2VrfCLyPUMWxMUH2esZPmP8qTBUBXVDDC6RfejN2vHFOR ewv5q34y64U9cgEkbV6GOskMiRkh5yVbr79dfduP7S4BgY4RM+eyi79WnMeu6taQvRDS C90WaiyId7h4o4ZeFSilNussR0+OeYBkJYXZPo2MjNcGqnd3qZNM0CHJp7+niVcgohnl nF8Q== 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=z5Tc7Pw68iQTxOMBN3ZCgl4Rf67N8sJj62JIDhAsbtA=; b=MhBOwly4Yps9sIuiZS5WuHQ4iW7rdlsBvJXNUb4PenXjXofN6/Bv0zFvTe3NbI0LV2 50pC704vvcoL88V+ZnNpiq5gPKZ10fdvTamBdGspsyDl8u9GX9aFAMrcKfR4dNhnz8Nx ONJOKVCYPkg/2uNOadRWTk7l2xR/0gQ5Y8/c3/W2XsWBe6HVUk5QWyaW5We/RlYm7/hU w8+AZUxrfv0vIX2kHn8heH36voYcIxA8PTq0MxhuHK/kxt9wZfgCA5L2BAh7fvZNVohg Q70D8ZXELRYj+/dDRRh65dWqogG4JysCctRwi3XK7t8YJ7YEmV5Ys10o/mx0b2qoNZJm gYYw== X-Gm-Message-State: ACrzQf2VfFWmCR/THDGbL8hdBjK4AaIHVRv9mLYEMluOU1C/1mErsnJi e2QREkMtDkBuQ2g/ttIQhSNi0v+mI5GjSQ6J X-Google-Smtp-Source: AMsMyM4HkScdFSX9LmW5zESjqcJC3EnlW+vV16PQfIOX/l3ULgGuV9SWJzldlxo7xRWvJ8HzBQKIDg== X-Received: by 2002:a05:6a00:408c:b0:565:fc2c:8c71 with SMTP id bw12-20020a056a00408c00b00565fc2c8c71mr980730pfb.82.1665655134095; Thu, 13 Oct 2022 02:58:54 -0700 (PDT) Return-Path: Received: from localhost.localdomain ([49.206.13.138]) by smtp.gmail.com with ESMTPSA id w8-20020a17090abc0800b0020d43c5c9a0sm2931845pjr.18.2022.10.13.02.58.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Oct 2022 02:58:53 -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 V3 06/34] OvmfPkg/PlatformInitLib: Add support for RISC-V Date: Thu, 13 Oct 2022 15:28:01 +0530 Message-Id: <20221013095829.1454581-7-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221013095829.1454581-1-sunilvl@ventanamicro.com> References: <20221013095829.1454581-1-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 --- .../PlatformInitLib/PlatformInitLib.inf | 9 ++- OvmfPkg/Include/Library/PlatformInitLib.h | 6 ++ .../PlatformInitLib/RiscV64/PlatformPeiLib.c | 73 +++++++++++++++++++ 3 files changed, 87 insertions(+), 1 deletion(-) create mode 100644 OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c diff --git a/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf b/OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf index d4449e40af61..ef8675999583 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] Ia32_X64/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..c5db7777c849 --- /dev/null +++ b/OvmfPkg/Library/PlatformInitLib/RiscV64/PlatformPeiLib.c @@ -0,0 +1,73 @@ +/** @file +The library call to pass the device tree to DXE via HOB. + +Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All rights reserved.
+Copyright (c) 2022, Ventana Micro Systems Inc. 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; +} -- 2.25.1