From nobody Thu Dec 18 22:23:37 2025 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+108791+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+108791+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1695050276; cv=none; d=zohomail.com; s=zohoarc; b=VkL9MQbkc3Z9ltAxp8aHP50exr7a5LXHlnGc5T9toj2dPl5saDtVcBaVeeao55F7uZYUkcoM7EtfcjGIo7VMp81qRESAMX1JxSholwT1Jv0rask4FycBZbrrAQI7BqfPWAOn+/nPL5LPtA+s8di/buMqAjTj4Io/hB9j6rwBM80= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1695050276; 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=Zeh29ulWWOl/pGLXY9lfugpjOViMju39eyNH2+UWhLg=; b=AaIxQOnR3rc5AnY/sxvQKWfdeXprTk73ku5z1xU+J9ElYYase76WwRQ/wYwhG+QgWI3G2cfGS2U3s1UXhJnXOAw/qGD/x9rI50I2o3MZSnZwXdSl1uLLs9Yp4cUscDKx//9+PCOA5qsuuCgxF4cs4QXoeySoa98Z887c+Y904Bs= 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+108791+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 169505027625693.2018882354472; Mon, 18 Sep 2023 08:17:56 -0700 (PDT) Return-Path: DKIM-Signature: a=rsa-sha256; bh=XzrClMUNM98/LfeHti6FGZ3pJm1SP+8eOj0Tz2wrdq4=; 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=1695050275; v=1; b=nNI/g6wFSuJjJinbTAd+fPaaPKT24PKbkb9tDXGrPWfZPn1aRLRBYNcWRtyEOD3TGcjNWAuA yYMKouRohHr6g1euEzVaWTnQu9odrKO1Zv0A0848lUqNY0F6I2GX/0rOVfIJKfC6VDH8HztHHEV qWTPLcDqqdXUsobTNi5A8vjY= X-Received: by 127.0.0.2 with SMTP id DfLiYY1788612x677IKqwpIr; Mon, 18 Sep 2023 08:17:55 -0700 X-Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.20]) by mx.groups.io with SMTP id smtpd.web11.45986.1695019379286248808 for ; Sun, 17 Sep 2023 23:42:59 -0700 X-IronPort-AV: E=McAfee;i="6600,9927,10836"; a="369906083" X-IronPort-AV: E=Sophos;i="6.02,155,1688454000"; d="scan'208";a="369906083" X-Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2023 23:42:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10836"; a="869450537" X-IronPort-AV: E=Sophos;i="6.02,155,1688454000"; d="scan'208";a="869450537" X-Received: from juichenx-mobl3.gar.corp.intel.com ([10.227.107.41]) by orsmga004.jf.intel.com with ESMTP; 17 Sep 2023 23:42:45 -0700 From: brucex.wang@intel.com To: devel@edk2.groups.io Cc: brucex.wang@intel.com, Benny Lin , Gua Guo , Chasel Chiu , James Lu Subject: [edk2-devel] [PATCH v4 3/4] MdePkg/BaseFdtLib: Add Fdt function. Date: Mon, 18 Sep 2023 14:42:33 +0800 Message-Id: <20230918064235.1440-4-brucex.wang@intel.com> In-Reply-To: <20230918064235.1440-1-brucex.wang@intel.com> References: <20230918064235.1440-1-brucex.wang@intel.com> MIME-Version: 1.0 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,brucex.wang@intel.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: Kf6UEUWI0uGrlLoPdbUjX1qKx1787277AA= Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1695050277815100024 Content-Type: text/plain; charset="utf-8" From: "Brucex.Wang" Add FdtGetName() and FdtNodeDepth() function. Cc: Benny Lin Cc: Gua Guo Cc: Chasel Chiu Cc: James Lu Signed-off-by: BruceX Wang --- MdePkg/Include/Library/FdtLib.h | 34 +++++++++++++++++++++++++ MdePkg/Library/BaseFdtLib/FdtLib.c | 40 ++++++++++++++++++++++++++++++ 2 files changed, 74 insertions(+) diff --git a/MdePkg/Include/Library/FdtLib.h b/MdePkg/Include/Library/FdtLi= b.h index cf5ceba9e9..d9300a18e3 100644 --- a/MdePkg/Include/Library/FdtLib.h +++ b/MdePkg/Include/Library/FdtLib.h @@ -398,4 +398,38 @@ FdtSetProp ( IN UINT32 Length ); =20 +/** + Returns the name of a given node. + + @param[in] Fdt The pointer to FDT blob. + @param[in] NodeOffse Offset of node to check. + @param[in] Length The pointer to an integer variable (will be ov= erwritten) or NULL. + + @return The pointer to the node's name. + +**/ +CONST CHAR8 * +EFIAPI +FdtGetName ( + IN VOID *Fdt, + IN INT32 NodeOffset, + IN UINT32 *Length + ); + +/** + FdtNodeDepth() finds the depth of a given node. The root node + has depth 0, its immediate subnodes depth 1 and so forth. + + @param[in] Fdt The pointer to FDT blob. + @param[in] NodeOffset Offset of node to check. + + @return Depth of the node at NodeOffset. +**/ +INT32 +EFIAPI +FdtNodeDepth ( + IN CONST VOID *Fdt, + IN INT32 NodeOffset + ); + #endif /* FDT_LIB_H_ */ diff --git a/MdePkg/Library/BaseFdtLib/FdtLib.c b/MdePkg/Library/BaseFdtLib= /FdtLib.c index 090b0b3fd4..1ef99ea882 100644 --- a/MdePkg/Library/BaseFdtLib/FdtLib.c +++ b/MdePkg/Library/BaseFdtLib/FdtLib.c @@ -402,3 +402,43 @@ FdtSetProp ( { return fdt_setprop (Fdt, NodeOffset, Name, Value, (int)Length); } + +/** + Returns the name of a given node. + + @param[in] Fdt The pointer to FDT blob. + @param[in] NodeOffset Offset of node to check. + @param[in] Length The pointer to an integer variable (will be ov= erwritten) or NULL. + + @return The pointer to the node's name. + +**/ +CONST CHAR8 * +EFIAPI +FdtGetName ( + IN VOID *Fdt, + IN INT32 NodeOffset, + IN UINT32 *Length + ) +{ + return fdt_get_name (Fdt, NodeOffset, (int *)Length); +} + +/** + FdtNodeDepth() finds the depth of a given node. The root node + has depth 0, its immediate subnodes depth 1 and so forth. + + @param[in] Fdt The pointer to FDT blob. + @param[in] NodeOffset Offset of node to check. + + @returns Depth of the node at NodeOffset. +**/ +INT32 +EFIAPI +FdtNodeDepth ( + IN CONST VOID *Fdt, + IN INT32 NodeOffset + ) +{ + return fdt_node_depth (Fdt, NodeOffset); +} --=20 2.39.1.windows.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 (#108791): https://edk2.groups.io/g/devel/message/108791 Mute This Topic: https://groups.io/mt/101435619/1787277 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-