From nobody Mon Feb 9 07:22:54 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+75569+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+75569+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1621945614; cv=none; d=zohomail.com; s=zohoarc; b=NuIZrWEJmaPvfR4FbThIOTmxOOT4cI4kO8s7kge4aCaFTA5wSmjG/fBScr4zlgZCUFW4APrU0LphBGc2j5SiJ7GyOZa5/SHyEhCuXYWNsBrBg6d3c/1MCXZH0Bxik3S8+jDP3KED43wnX/zfPzxt+S/kqpK/TUwkPRS39I2ZHVM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621945614; 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; bh=BUC9cZIiz4fqWtXvb/GpitmznDqs2eChvSFJ7PzCv8Q=; b=HHCk0PWvPaDgIU9/KJ/mnAijQivsruBtuYyCLxEuBvRcpUU+yGcZ9O+D3NtBBOfrkBewxz8V0M5DGgRC44huq4vUmBvGAij0s84wHtVdvk7by785Hv1Ah2xE0dPwvfeRBDR5BdWBaQ7PzmLZlJOzwN2I0/+u4l6GivTXDaZmYfc= ARC-Authentication-Results: i=1; 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+75569+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) header.from= Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1621945614117899.8141906492306; Tue, 25 May 2021 05:26:54 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id vwhcYY1788612xJoyHbv3rIW; Tue, 25 May 2021 05:26:53 -0700 X-Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by mx.groups.io with SMTP id smtpd.web08.5734.1621920688035829153 for ; Mon, 24 May 2021 22:31:28 -0700 X-Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 14P57k4w098196; Tue, 25 May 2021 01:31:26 -0400 X-Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 38rt5asfvw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 25 May 2021 01:31:26 -0400 X-Received: from m0187473.ppops.net (m0187473.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 14P58e2Q100803; Tue, 25 May 2021 01:31:25 -0400 X-Received: from ppma04wdc.us.ibm.com (1a.90.2fa9.ip4.static.sl-reverse.com [169.47.144.26]) by mx0a-001b2d01.pphosted.com with ESMTP id 38rt5asfv8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 25 May 2021 01:31:25 -0400 X-Received: from pps.filterd (ppma04wdc.us.ibm.com [127.0.0.1]) by ppma04wdc.us.ibm.com (8.16.0.43/8.16.0.43) with SMTP id 14P5RUKf007512; Tue, 25 May 2021 05:31:24 GMT X-Received: from b01cxnp22034.gho.pok.ibm.com (b01cxnp22034.gho.pok.ibm.com [9.57.198.24]) by ppma04wdc.us.ibm.com with ESMTP id 38psk9cdqu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 25 May 2021 05:31:24 +0000 X-Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp22034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 14P5VNMo22151466 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 25 May 2021 05:31:23 GMT X-Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6CC0528060; Tue, 25 May 2021 05:31:23 +0000 (GMT) X-Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 28E9B2805C; Tue, 25 May 2021 05:31:23 +0000 (GMT) X-Received: from localhost.localdomain (unknown [9.2.130.16]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 25 May 2021 05:31:23 +0000 (GMT) From: Dov Murik To: devel@edk2.groups.io Cc: Dov Murik , Tobin Feldman-Fitzthum , Tobin Feldman-Fitzthum , Jim Cadden , James Bottomley , Hubertus Franke , Laszlo Ersek , Ard Biesheuvel , Jordan Justen , Ashish Kalra , Brijesh Singh , Erdem Aktas , Jiewen Yao , Min Xu , Tom Lendacky Subject: [edk2-devel] [PATCH v1 2/8] OvmfPkg: PlatformBootManagerLibGrub: Allow executing kernel via fw_cfg Date: Tue, 25 May 2021 05:31:10 +0000 Message-Id: <20210525053116.1533673-3-dovmurik@linux.ibm.com> In-Reply-To: <20210525053116.1533673-1-dovmurik@linux.ibm.com> References: <20210525053116.1533673-1-dovmurik@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: gCuWtYq00vD0j0WybQBy4VyzaYOWf_ut X-Proofpoint-GUID: zJukvR4VY6iwG-AWGkak09xsEzkGIRVW 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,dovmurik@linux.ibm.com X-Gm-Message-State: p54OI038wp9nhob6A2w9InY1x1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1621945613; bh=niPWlDXteoI34kXNz6XmgunotAUho+ForFLPvkvHbqA=; h=Cc:Date:From:Reply-To:Subject:To; b=lGGBYQtcwIpcGRBC2bWRQFyYwZE4+bid8A9kHETGYZJcpqA5Q7c3A4YfH0LfqxLQbX9 3sL7c1oIERb4WKGfQVNl5V5R9rnES+UckwrlmiOgXbIcj0iSieAa56hziJen4nPYpc8Pv hJHQ/0SZe6xsEFsn0QAke4UtEh031m9grtQ= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" From: James Bottomley Support QEMU's -kernel option. OvmfPkg/Library/PlatformBootManagerLibGrub/QemuKernel.c is an exact copy of OvmfPkg/Library/PlatformBootManagerLib/QemuKernel.c . Cc: Laszlo Ersek Cc: Ard Biesheuvel Cc: Jordan Justen Cc: Ashish Kalra Cc: Brijesh Singh Cc: Erdem Aktas Cc: James Bottomley Cc: Jiewen Yao Cc: Min Xu Cc: Tom Lendacky Signed-off-by: James Bottomley --- OvmfPkg/AmdSev/AmdSevX64.dsc = | 1 + OvmfPkg/Library/PlatformBootManagerLibGrub/PlatformBootManagerLibGrub.inf = | 2 + OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.h = | 11 +++++ OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c = | 5 ++ OvmfPkg/Library/PlatformBootManagerLibGrub/QemuKernel.c = | 50 ++++++++++++++++++++ 5 files changed, 69 insertions(+) diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc index 66bbbc80cd18..f820e81fad27 100644 --- a/OvmfPkg/AmdSev/AmdSevX64.dsc +++ b/OvmfPkg/AmdSev/AmdSevX64.dsc @@ -283,6 +283,7 @@ [LibraryClasses.common.PEIM] CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuE= xceptionHandlerLib.inf MpInitLib|UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf QemuFwCfgS3Lib|OvmfPkg/Library/QemuFwCfgS3Lib/PeiQemuFwCfgS3LibFwCfg.inf + QemuLoadImageLib|OvmfPkg/Library/GenericQemuLoadImageLib/GenericQemuLoad= ImageLib.inf PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgPeiLib.inf =20 diff --git a/OvmfPkg/Library/PlatformBootManagerLibGrub/PlatformBootManager= LibGrub.inf b/OvmfPkg/Library/PlatformBootManagerLibGrub/PlatformBootManage= rLibGrub.inf index 9a806d17ec45..5f6f73d18470 100644 --- a/OvmfPkg/Library/PlatformBootManagerLibGrub/PlatformBootManagerLibGrub= .inf +++ b/OvmfPkg/Library/PlatformBootManagerLibGrub/PlatformBootManagerLibGrub= .inf @@ -23,6 +23,7 @@ [Defines] =20 [Sources] BdsPlatform.c + QemuKernel.c PlatformData.c BdsPlatform.h =20 @@ -46,6 +47,7 @@ [LibraryClasses] BootLogoLib DevicePathLib PciLib + QemuLoadImageLib UefiLib PlatformBmPrintScLib Tcg2PhysicalPresenceLib diff --git a/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.h b/Ovm= fPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.h index 748c63081920..f1d3a2906c00 100644 --- a/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.h +++ b/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.h @@ -172,4 +172,15 @@ PlatformInitializeConsole ( IN PLATFORM_CONSOLE_CONNECT_ENTRY *PlatformConsole ); =20 +/** + Loads and boots UEFI Linux via the FwCfg interface. + + @retval EFI_NOT_FOUND - The Linux kernel was not found + +**/ +EFI_STATUS +TryRunningQemuKernel ( + VOID + ); + #endif // _PLATFORM_SPECIFIC_BDS_PLATFORM_H_ diff --git a/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c b/Ovm= fPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c index 5c92d4fc2b09..7cceeea4879c 100644 --- a/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c +++ b/OvmfPkg/Library/PlatformBootManagerLibGrub/BdsPlatform.c @@ -1315,6 +1315,11 @@ PlatformBootManagerAfterConsole ( // Tcg2PhysicalPresenceLibProcessRequest (NULL); =20 + // + // Process QEMU's -kernel command line option + // + TryRunningQemuKernel (); + // // Perform some platform specific connect sequence // diff --git a/OvmfPkg/Library/PlatformBootManagerLibGrub/QemuKernel.c b/Ovmf= Pkg/Library/PlatformBootManagerLibGrub/QemuKernel.c new file mode 100644 index 000000000000..c6255921779e --- /dev/null +++ b/OvmfPkg/Library/PlatformBootManagerLibGrub/QemuKernel.c @@ -0,0 +1,50 @@ +/** @file + + Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include + +#include +#include +#include +#include +#include + + +EFI_STATUS +TryRunningQemuKernel ( + VOID + ) +{ + EFI_STATUS Status; + EFI_HANDLE KernelImageHandle; + + Status =3D QemuLoadKernelImage (&KernelImageHandle); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Signal the EVT_SIGNAL_READY_TO_BOOT event + // + EfiSignalEventReadyToBoot(); + + REPORT_STATUS_CODE (EFI_PROGRESS_CODE, + (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_DXE_BS_PC_READY_TO_BOOT_EVENT)); + + // + // Start the image. + // + Status =3D QemuStartKernelImage (&KernelImageHandle); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "%a: QemuStartKernelImage(): %r\n", __FUNCTION__, + Status)); + } + + QemuUnloadKernelImage (KernelImageHandle); + + return Status; +} --=20 2.25.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#75569): https://edk2.groups.io/g/devel/message/75569 Mute This Topic: https://groups.io/mt/83074452/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-