From nobody Tue Feb 10 00:01:00 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of groups.io designates 66.175.222.12 as permitted sender) client-ip=66.175.222.12; envelope-from=bounce+27952+49505+1787277+3901457@groups.io; helo=web01.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zoho.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+49505+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=hpe.com ARC-Seal: i=1; a=rsa-sha256; t=1572229930; cv=none; d=zoho.com; s=zohoarc; b=ZKN8fJFb0SwUxHYjNSzvFWpCQJ28X8x3gDIUC5Ii30BzLrOUXFwYR0s3s6pfDC4Ao16cPdY2td2H8cDimuV+qX5my1GL/JdcEbV24vx/g9wiURrkLfcNiEZLvGqqf62yR1Ihp9LgCubDq6O1HkLUPGEddvzeoI7AT/8OLgmqLZM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1572229930; h=Cc:Date:From:In-Reply-To:List-Id:List-Unsubscribe:Message-ID:Reply-To:References:Sender:Subject:To; bh=o1kZInfjpOaiaMO9OiLJDtt3ZKK59yceKLPjlI0xXcg=; b=ZArkYDrARuALCsAuDagGoOgG1LFwARMhzfbkHHGaNejrfNTJ5b2M7LC1wBRFqrtBP9axCqLSziwezU97Qf5EbYN1voLqF8N3ah/K+jXk0iSKBwY6KzoKKRwRZGdXvO1nZ2lPZReURpu34JrdIZl5+V6H1CjXdFCXOw4uMWRSf68= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=pass; spf=pass (zoho.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+49505+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) header.from= Received: from web01.groups.io (web01.groups.io [66.175.222.12]) by mx.zohomail.com with SMTPS id 1572229930363105.39664630254947; Sun, 27 Oct 2019 19:32:10 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id PRy6YY1788612x0XkpkB9pgR; Sun, 27 Oct 2019 19:32:09 -0700 X-Received: from mx0a-002e3701.pphosted.com (mx0a-002e3701.pphosted.com [148.163.147.86]) by mx.groups.io with SMTP id smtpd.web09.628.1572229929402940839 for ; Sun, 27 Oct 2019 19:32:09 -0700 X-Received: from pps.filterd (m0150242.ppops.net [127.0.0.1]) by mx0a-002e3701.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x9S2W98W007192; Mon, 28 Oct 2019 02:32:09 GMT X-Received: from g4t3425.houston.hpe.com (g4t3425.houston.hpe.com [15.241.140.78]) by mx0a-002e3701.pphosted.com with ESMTP id 2vw02t4rph-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 28 Oct 2019 02:32:09 +0000 X-Received: from g4t3433.houston.hpecorp.net (g4t3433.houston.hpecorp.net [16.208.49.245]) by g4t3425.houston.hpe.com (Postfix) with ESMTP id 6535E9D; Mon, 28 Oct 2019 02:32:08 +0000 (UTC) X-Received: from UB16Abner.asiapacific.hpqcorp.net (ub16abner.asiapacific.hpqcorp.net [15.119.209.229]) by g4t3433.houston.hpecorp.net (Postfix) with ESMTP id 12EAE45; Mon, 28 Oct 2019 02:32:06 +0000 (UTC) From: "Abner Chang" To: devel@edk2.groups.io Cc: abner.chang@hpe.com, Leif Lindholm , Gilbert Chen Subject: [edk2-devel] [edk2-staging/RISC-V-V2 PATCH v3 29/39] RiscVPlatformPkg/RealTimeClockLibNull: Null instance of RTC lib. Date: Mon, 28 Oct 2019 09:59:07 +0800 Message-Id: <1572227957-13169-30-git-send-email-abner.chang@hpe.com> In-Reply-To: <1572227957-13169-1-git-send-email-abner.chang@hpe.com> References: <1572227957-13169-1-git-send-email-abner.chang@hpe.com> X-HPE-SCL: -1 Precedence: Bulk List-Unsubscribe: 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,abner.chang@hpe.com X-Gm-Message-State: I46Ol5FR8yacxX7zsxB38m4Ox1787277AA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1572229929; bh=PARakNurLqNrH9aTa6uiXF9l3x1V2hbvIBNrLI99H38=; h=Cc:Date:From:Reply-To:Subject:To; b=E8c/mpxt1esLB4L538Tj/NOEGoaYNe2ZHT7CKvQnJC8BkxVrztP5f376b1D6vz//yxI fgmF/8nR2fD/Krgj8ZZwAfmbYvd7WtXTDTQApl7FcPmbMPB87fHUcQUdcp+HQgfULQFvj leRviqOQNTcQtvYvLu97lpshIZ91W5QggWM= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Null instance of Real Time Clock lib for RISC-V platform. Signed-off-by: Abner Chang Cc: Leif Lindholm Cc: Gilbert Chen --- .../RealTimeClockLibNull/RealTimeClockLibNull.inf | 30 +++ .../RealTimeClockLibNull/RealTimeClockLibNull.c | 204 +++++++++++++++++= ++++ 2 files changed, 234 insertions(+) create mode 100644 RiscVPlatformPkg/Library/RealTimeClockLibNull/RealTimeC= lockLibNull.inf create mode 100644 RiscVPlatformPkg/Library/RealTimeClockLibNull/RealTimeC= lockLibNull.c diff --git a/RiscVPlatformPkg/Library/RealTimeClockLibNull/RealTimeClockLib= Null.inf b/RiscVPlatformPkg/Library/RealTimeClockLibNull/RealTimeClockLibNu= ll.inf new file mode 100644 index 0000000..b9bffa1 --- /dev/null +++ b/RiscVPlatformPkg/Library/RealTimeClockLibNull/RealTimeClockLibNull.inf @@ -0,0 +1,30 @@ +#/** @file +# +# Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All righ= ts reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +#**/ + +[Defines] + INF_VERSION =3D 0x0001001b + BASE_NAME =3D RealTimeClockLibNull + FILE_GUID =3D BFC3E25A-8AD0-4201-8A75-F00DE7964370 + MODULE_TYPE =3D BASE + VERSION_STRING =3D 1.0 + LIBRARY_CLASS =3D RealTimeClockLib + +[Sources.common] + RealTimeClockLibNull.c + +[Packages] + MdePkg/MdePkg.dec + +[LibraryClasses] + UefiLib + DebugLib +# Use EFiAtRuntime to check stage + UefiRuntimeLib + +[Pcd] + diff --git a/RiscVPlatformPkg/Library/RealTimeClockLibNull/RealTimeClockLib= Null.c b/RiscVPlatformPkg/Library/RealTimeClockLibNull/RealTimeClockLibNull= .c new file mode 100644 index 0000000..904e7e7 --- /dev/null +++ b/RiscVPlatformPkg/Library/RealTimeClockLibNull/RealTimeClockLibNull.c @@ -0,0 +1,204 @@ +/** @file + EFI RealTimeClock NULL library + + Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All right= s reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include +#include +#include +#include +// Use EfiAtRuntime to check stage +#include +#include +#include +#include + + +/** + Returns the current time and date information, and the time-keeping capa= bilities + of the hardware platform. + + @param Time A pointer to storage to receive a snapsho= t of the current time. + @param Capabilities An optional pointer to a buffer to receiv= e the real time clock + device's capabilities. + + @retval EFI_SUCCESS The operation completed successfully. + @retval EFI_INVALID_PARAMETER Time is NULL. + @retval EFI_DEVICE_ERROR The time could not be retrieved due to ha= rdware error. + @retval EFI_SECURITY_VIOLATION The time could not be retrieved due to an= authentication failure. +**/ +EFI_STATUS +EFIAPI +LibGetTime ( + OUT EFI_TIME *Time, + OUT EFI_TIME_CAPABILITIES *Capabilities + ) +{ + EFI_STATUS Status =3D EFI_SUCCESS; + + return Status; + +} + + +/** + Sets the current local time and date information. + + @param Time A pointer to the current time. + + @retval EFI_SUCCESS The operation completed successfully. + @retval EFI_INVALID_PARAMETER A time field is out of range. + @retval EFI_DEVICE_ERROR The time could not be set due due to hardw= are error. + +**/ +EFI_STATUS +EFIAPI +LibSetTime ( + IN EFI_TIME *Time + ) +{ + + EFI_STATUS Status =3D EFI_SUCCESS; + + + return Status; +} + + +/** + Returns the current wakeup alarm clock setting. + + @param Enabled Indicates if the alarm is currently enable= d or disabled. + @param Pending Indicates if the alarm signal is pending a= nd requires acknowledgement. + @param Time The current alarm setting. + + @retval EFI_SUCCESS The alarm settings were returned. + @retval EFI_INVALID_PARAMETER Any parameter is NULL. + @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due= to a hardware error. + +**/ +EFI_STATUS +EFIAPI +LibGetWakeupTime ( + OUT BOOLEAN *Enabled, + OUT BOOLEAN *Pending, + OUT EFI_TIME *Time + ) +{ + // Not a required feature + return EFI_UNSUPPORTED; +} + + +/** + Sets the system wakeup alarm clock time. + + @param Enabled Enable or disable the wakeup alarm. + @param Time If Enable is TRUE, the time to set the wak= eup alarm for. + + @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm w= as enabled. If + Enable is FALSE, then the wakeup alarm was= disabled. + @retval EFI_INVALID_PARAMETER A time field is out of range. + @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a = hardware error. + @retval EFI_UNSUPPORTED A wakeup timer is not supported on this pl= atform. + +**/ +EFI_STATUS +EFIAPI +LibSetWakeupTime ( + IN BOOLEAN Enabled, + OUT EFI_TIME *Time + ) +{ + // Not a required feature + return EFI_UNSUPPORTED; +} + + + +/** + This is the declaration of an EFI image entry point. This can be the ent= ry point to an application + written to this specification, an EFI boot service driver, or an EFI run= time driver. + + @param ImageHandle Handle that identifies the loaded image. + @param SystemTable System Table for this image. + + @retval EFI_SUCCESS The operation completed successfully. + +**/ +EFI_STATUS +EFIAPI +LibRtcInitialize ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + EFI_HANDLE Handle; + + + EFI_TIME EfiTime; + + // Setup the setters and getters + gRT->GetTime =3D LibGetTime; + gRT->SetTime =3D LibSetTime; + gRT->GetWakeupTime =3D LibGetWakeupTime; + gRT->SetWakeupTime =3D LibSetWakeupTime; + + + (VOID)gRT->GetTime (&EfiTime, NULL); + if((EfiTime.Year < 2015) || (EfiTime.Year > 2099)){ + EfiTime.Year =3D 2015; + EfiTime.Month =3D 1; + EfiTime.Day =3D 1; + EfiTime.Hour =3D 0; + EfiTime.Minute =3D 0; + EfiTime.Second =3D 0; + EfiTime.Nanosecond =3D 0; + Status =3D gRT->SetTime(&EfiTime); + if (EFI_ERROR(Status)) + { + DEBUG((DEBUG_ERROR, "[%a]:[%dL] Status : %r\n", __FUNCTION__, __LI= NE__, Status)); + } + } + + // Install the protocol + Handle =3D NULL; + Status =3D gBS->InstallMultipleProtocolInterfaces ( + &Handle, + &gEfiRealTimeClockArchProtocolGuid, NULL, + NULL + ); + + return Status; +} + + +/** + Fixup internal data so that EFI can be call in virtual mode. + Call the passed in Child Notify event and convert any pointers in + lib to virtual mode. + + @param[in] Event The Event that is being processed + @param[in] Context Event Context +**/ +VOID +EFIAPI +LibRtcVirtualNotifyEvent ( + IN EFI_EVENT Event, + IN VOID *Context + ) +{ + // + // Only needed if you are going to support the OS calling RTC functions = in virtual mode. + // You will need to call EfiConvertPointer (). To convert any stored phy= sical addresses + // to virtual address. After the OS transitions to calling in virtual mo= de, all future + // runtime calls will be made in virtual mode. + // + return; +} --=20 2.7.4 -=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 (#49505): https://edk2.groups.io/g/devel/message/49505 Mute This Topic: https://groups.io/mt/38757551/1787277 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-