From nobody Tue Feb 10 12:14:09 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+113659+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+113659+1787277+3901457@groups.io ARC-Seal: i=1; a=rsa-sha256; t=1705047803; cv=none; d=zohomail.com; s=zohoarc; b=L+EI9us17ShWvImL4zkE3I8iapx7uStfJ54j5VCTBRC9zFANM6OEwF+0fsvnV0kuVf2hCw+m0C/CLNGDPC689h+QVLHXyoYH11ApxcGREtviiMfpZ3GUAYffkktwrW75J+Xn2VR9hw4OYJpzEr8qcOVkU/LILvppG9tKfsWNvSs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1705047803; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=8mRGo5GIppC+G06PSEmTScMzEM67z01KsFnJukK1hvY=; b=K86oEaNIT1f3xD43ywLt7hMsHSYXZvFSlq59gaai3OaX51S89HhjBmLxbIwohEEIOpkpYtMlhBSWT9j9cwmkRzNbE0p4bHmt3sYvczJh4bawK1Ffm3L1zRnXh5LAiNpp5Zjd4lYSB0e/yZQcif6CanszLB0ivBmxiSwAX44egXY= 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+113659+1787277+3901457@groups.io Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1705047803722693.9305605091929; Fri, 12 Jan 2024 00:23:23 -0800 (PST) Return-Path: DKIM-Signature: a=rsa-sha256; bh=yh000SSiBouIkuksOjeo9b7UKkRc2W8FLv1Yax93QeU=; c=relaxed/simple; d=groups.io; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:MIME-Version:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Transfer-Encoding; s=20140610; t=1705047803; v=1; b=BBds9JvfPC/2YpdQ6+FpOqNq2txgbDOUmHUt0bmbYSr6N0mtoTlgKNwaAmX5f/NwHSATQjEm /mDYID6Fs/MgMWtyC8wXDrEbc/bmimIXwrIdNsGzrrbYoHTPWMuT3SLO4xBhNwJfcnSgHsXE+sQ tbekVFbtRvYX8DAtqO36mjSY= X-Received: by 127.0.0.2 with SMTP id YwmqYY1788612xPq2buh0nHO; Fri, 12 Jan 2024 00:23:23 -0800 X-Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by mx.groups.io with SMTP id smtpd.web11.3004.1705047802201562139 for ; Fri, 12 Jan 2024 00:23:22 -0800 X-Received: from loongson.cn (unknown [10.2.9.245]) by gateway (Coremail) with SMTP id _____8AxDLv29qBl1n0EAA--.4888S3; Fri, 12 Jan 2024 16:23:18 +0800 (CST) X-Received: from code-server.gen (unknown [10.2.9.245]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxPN719qBlH4gTAA--.50747S2; Fri, 12 Jan 2024 16:23:17 +0800 (CST) From: "Chao Li" To: devel@edk2.groups.io Cc: Michael D Kinney , Liming Gao , Zhiguang Liu Subject: [edk2-devel] [PATCH v7 06/37] MdePkg: Add read stable counter operation for LoongArch Date: Fri, 12 Jan 2024 16:23:16 +0800 Message-Id: <20240112082316.3285940-1-lichao@loongson.cn> In-Reply-To: <20240112082153.3284189-1-lichao@loongson.cn> References: <20240112082153.3284189-1-lichao@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8BxPN719qBlH4gTAA--.50747S2 X-CM-SenderInfo: xolfxt3r6o00pqjv00gofq/1tbiAQAOCGWgj6kGSgAPsn X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Precedence: Bulk 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,lichao@loongson.cn List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: 4bMDIA8lAes0sCrbe1vRezrnx1787277AA= Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1705047804412100001 Content-Type: text/plain; charset="utf-8" Add LoongArch gets stable counter ASM function. BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3D4584 Cc: Michael D Kinney Cc: Liming Gao Cc: Zhiguang Liu Signed-off-by: Chao Li Acked-by: Michael D Kinney Reviewed-by: Liming Gao --- MdePkg/Include/Library/BaseLib.h | 12 ++++++++++ MdePkg/Library/BaseLib/BaseLib.inf | 1 + .../BaseLib/LoongArch64/ReadStableCounter.S | 24 +++++++++++++++++++ 3 files changed, 37 insertions(+) create mode 100644 MdePkg/Library/BaseLib/LoongArch64/ReadStableCounter.S diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/Base= Lib.h index d64e406b7c..29009adbc9 100644 --- a/MdePkg/Include/Library/BaseLib.h +++ b/MdePkg/Include/Library/BaseLib.h @@ -339,6 +339,18 @@ AsmCpucfg ( OUT UINT32 *Data ); =20 +/** + Gets the timer count value. + + @param[] VOID + @retval timer count value. + +**/ +UINTN +AsmReadStableCounter ( + VOID + ); + #endif // defined (MDE_CPU_LOONGARCH64) =20 // diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/Ba= seLib.inf index 2f1e3b3d91..1dad587b0c 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -422,6 +422,7 @@ LoongArch64/SwitchStack.S | GCC LoongArch64/ExceptionBase.S | GCC LoongArch64/Cpucfg.S | GCC + LoongArch64/ReadStableCounter.S | GCC =20 [Packages] MdePkg/MdePkg.dec diff --git a/MdePkg/Library/BaseLib/LoongArch64/ReadStableCounter.S b/MdePk= g/Library/BaseLib/LoongArch64/ReadStableCounter.S new file mode 100644 index 0000000000..aa74ff603e --- /dev/null +++ b/MdePkg/Library/BaseLib/LoongArch64/ReadStableCounter.S @@ -0,0 +1,24 @@ +#-------------------------------------------------------------------------= ----- +# +# LoongArch Read Stable Counter +# +# Copyright (c) 2024, Loongson Technology Corporation Limited. All rights = reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +#-------------------------------------------------------------------------= ----- + +ASM_GLOBAL ASM_PFX(AsmReadStableCounter) + +#/** +# Gets the timer count value. +# +# @param[] VOID +# @retval timer count value. +# +#**/ + +ASM_PFX(AsmReadStableCounter): + rdtime.d $a0, $zero + jirl $zero, $ra, 0 + .end --=20 2.27.0 -=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 (#113659): https://edk2.groups.io/g/devel/message/113659 Mute This Topic: https://groups.io/mt/103679434/1787277 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-