From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id 43A48AC0A8A for ; Fri, 2 Feb 2024 02:27:56 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=OVVNu0HLaUhlIjMpl495X8LrZWNvrBLtvVEEfOXs4NM=; 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=1706840874; v=1; b=Ah9PtLZsV7U/WTIz7X2ls2MoPbAjv5lhjzSeArHtdI8TfuaAUSMGdTvdDEYdeaaPxMJoHiB3 xJcwDj7QdTGihvdpLZXqyZ1Y7CyXQqBDiTzI60zifGSUgaDRl4v2LtjczfxwbKIjxQk0B0jIFwX qHMyaSvtmnG2saYhFx6512kM= X-Received: by 127.0.0.2 with SMTP id oRIJYY7687511xdu0pfZ5AHM; Thu, 01 Feb 2024 18:27:54 -0800 X-Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by mx.groups.io with SMTP id smtpd.web10.14275.1706840873556713954 for ; Thu, 01 Feb 2024 18:27:54 -0800 X-Received: from loongson.cn (unknown [10.2.9.245]) by gateway (Coremail) with SMTP id _____8DxaOgnU7xlMPgJAA--.9277S3; Fri, 02 Feb 2024 10:27:51 +0800 (CST) X-Received: from code-server.gen (unknown [10.2.9.245]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxzxMnU7xlRMcsAA--.50375S2; Fri, 02 Feb 2024 10:27:51 +0800 (CST) From: "Chao Li" To: devel@edk2.groups.io Cc: Michael D Kinney , Liming Gao , Zhiguang Liu Subject: [edk2-devel] [PATCH v1 06/19] MdePkg: Add read stable counter operation for LoongArch Date: Fri, 2 Feb 2024 10:27:49 +0800 Message-Id: <20240202022749.2444708-1-lichao@loongson.cn> In-Reply-To: <20240202022637.2444159-1-lichao@loongson.cn> References: <20240202022637.2444159-1-lichao@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxzxMnU7xlRMcsAA--.50375S2 X-CM-SenderInfo: xolfxt3r6o00pqjv00gofq/1tbiAQAOCGW7VmEFUQBUsu 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: qNfHoW4NSyYJoWyc0eX7q71Tx7686176AA= Content-Transfer-Encoding: 8bit X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=Ah9PtLZs; dmarc=none; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io Add LoongArch gets stable counter ASM function. BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584 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/BaseLib.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 ); +/** + Gets the timer count value. + + @param[] VOID + @retval timer count value. + +**/ +UINTN +AsmReadStableCounter ( + VOID + ); + #endif // defined (MDE_CPU_LOONGARCH64) // diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf index 2f1e3b3d91..1dad587b0c 100644 --- a/MdePkg/Library/BaseLib/BaseLib.inf +++ b/MdePkg/Library/BaseLib/BaseLib.inf @@ -422,6 +422,7 @@ [Sources.LOONGARCH64] LoongArch64/SwitchStack.S | GCC LoongArch64/ExceptionBase.S | GCC LoongArch64/Cpucfg.S | GCC + LoongArch64/ReadStableCounter.S | GCC [Packages] MdePkg/MdePkg.dec diff --git a/MdePkg/Library/BaseLib/LoongArch64/ReadStableCounter.S b/MdePkg/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 -- 2.27.0 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#114991): https://edk2.groups.io/g/devel/message/114991 Mute This Topic: https://groups.io/mt/104112124/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-