From nobody Mon Feb 9 18:03:39 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1646043134; cv=none; d=zohomail.com; s=zohoarc; b=UomzZuzvE3pESQOOUgbwJppc+FlMrBe+Pi/wVfVB+zB20eAvTyVgb9nM7AABox7RAXeQM+d07IZ6XV2Rgz63U4OIAtJeVveS3YLlKoQIjfrIZndihIG/D7KrjE+MBYzD51j27Bm9sta/OGsWrWe9jHr282oMiVB35Xem74e78xQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1646043134; h=Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=DoUrmxmwcPTK3PDPM7WZ3Sm53KX/g68Md1TJD3kNGt0=; b=GXYpHjeEp4hM8cs0xn/trfJqowb2XLYecyoycGybY92qdBU+kOgYvYpMiq+pnQooXIWX7Hqvx3x9GU5HC2/knL1UTfawj8b3HDWAW9F8+uVUHtw5TT5MvjDzbRNVwk5qtkvyyl6EcSMXxp31dFsJr/8ESDQkDnW6qTp9mppCq04= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1646043134621912.6317611062701; Mon, 28 Feb 2022 02:12:14 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.280335.478245 (Exim 4.92) (envelope-from ) id 1nOd0V-0006aq-KI; Mon, 28 Feb 2022 10:11:55 +0000 Received: by outflank-mailman (output) from mailman id 280335.478245; Mon, 28 Feb 2022 10:11:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nOd0V-0006aj-Gx; Mon, 28 Feb 2022 10:11:55 +0000 Received: by outflank-mailman (input) for mailman id 280335; Mon, 28 Feb 2022 10:11:54 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nOd0U-0006aZ-2z for xen-devel@lists.xenproject.org; Mon, 28 Feb 2022 10:11:54 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nOd0S-0002Sh-Tb; Mon, 28 Feb 2022 10:11:52 +0000 Received: from 54-240-197-224.amazon.com ([54.240.197.224] helo=dev-dsk-jgrall-1b-035652ec.eu-west-1.amazon.com) by xenbits.xenproject.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1nOd0S-000540-Lg; Mon, 28 Feb 2022 10:11:52 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date: Subject:Cc:To:From; bh=DoUrmxmwcPTK3PDPM7WZ3Sm53KX/g68Md1TJD3kNGt0=; b=KQX20N kYJWJ0OsTE6aSgTqSga4YsjsZwDLnnBk9lOd7x4BdxG4eXnk1ewwxuqvgQSqRpldmsWNPFC192n4Z XUm+3II9qsh5vxY50nLqysgmghkO4jhZjWHqd1EJBuUmHNwcZneSin/VoPBcFLVdq904HsWCy3PxZ NTfXILCCNVg=; From: Julien Grall To: xen-devel@lists.xenproject.org Cc: julien@xen.org, Julien Grall , Stefano Stabellini , Bertrand Marquis , Volodymyr Babchuk Subject: [PATCH] xen/arm32: head: Update the documentation for register r12 Date: Mon, 28 Feb 2022 10:11:50 +0000 Message-Id: <20220228101150.63816-1-julien@xen.org> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @xen.org) X-ZM-MESSAGEID: 1646043136018100001 Content-Type: text/plain; charset="utf-8" From: Julien Grall Since commit 54c4ae18d158 ("xen/arm32: head: Rework and document launch()"), the boot code is not using the register r12. So update the documentation to show r12 has no specific purpose. Signed-off-by: Julien Grall --- xen/arch/arm/arm32/head.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S index 13cfc837d39c..78274a1c034f 100644 --- a/xen/arch/arm/arm32/head.S +++ b/xen/arch/arm/arm32/head.S @@ -79,7 +79,7 @@ * r9 - paddr(start) * r10 - phys offset * r11 - UART address - * r12 - is_secondary_cpu + * r12 - * r13 - SP * r14 - LR * r15 - PC --=20 2.32.0