From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: None (no SPF record) identity=mailfrom; client-ip=2a00:1450:4010:c07::22f; helo=mail-lf0-x22f.google.com; envelope-from=mw@semihalf.com; receiver=edk2-devel@lists.01.org Received: from mail-lf0-x22f.google.com (mail-lf0-x22f.google.com [IPv6:2a00:1450:4010:c07::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id C5BBA21EA15C5 for ; Mon, 9 Oct 2017 09:50:41 -0700 (PDT) Received: by mail-lf0-x22f.google.com with SMTP id g70so12474826lfl.3 for ; Mon, 09 Oct 2017 09:54:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=3wQ354SZgnRk23NoVJnpxfDn/hM5ledE6OyClaFyI3Q=; b=yiYWiM4UV/YQuATgSCwWurb+axsZUNMEWOyNVzgYZ8+QqL+O084i92YMu2+Woj0Z+8 6M58u998tehrWFoN/PtLV83SE/dFvK8dXd37uDIDaZIPCRVyEH5Cad2ERD/YSPa5TEND 9nZw/l9Q1pTiF0tzIEWsFHS0L9jtnKRHreGiPEZcjIHhuRhTvOrRGjyi8f2fYY3qLl4q LUr0AgW/RqJKsvB0RY63+qll8zN7Q348si3JAdlaxDRM3e9fuWR4f11srRj0emmFXeWf ZAmUy/5V5hEN7bLLhBvwbObUl+PYI9o1N3S3jJ+Xq1JhDfP4belRv4x4Qdzv0cTFdj+a XhTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=3wQ354SZgnRk23NoVJnpxfDn/hM5ledE6OyClaFyI3Q=; b=iFjKk2R//rBy7t3PmMVgpekVjzZIv/tGfe3O0bvgvQE84cZ4Bo6j1fsyio4v3SCPZU W8nO9NYBAfhf2PrNSRSHNFoDQ8DSRPU3CrcfiifNhxolu6kEsF8GONrMUx4Uqk9Q1/fb Y4ivVHjMIEqAHXcY0A1s4oiXg+7Z0FK7CteH9pt57GlawbeydhhOXd7c1l/cx1DpY5xG Oz3EhGAZAiU+ZdgF20BrvV/4T8Znsn89gghYbUTjF9VZvjFFkhU+hqovv5D1v/J85VxF Km7F+Zsi59xTWUqVQ4ytI9icDNSsrgwIEUFhVhBbXXhdn55G8BRLIk2jqjQE2GJOEWiB PQog== X-Gm-Message-State: AMCzsaVDK6250LiKvChJMaWCptxblU8w0PI8SXuDa8cPJXX/62Xt3Vxr pN/sLasFZuQjkA0Pn53zIFHfWWMVhCo= X-Google-Smtp-Source: AOwi7QA0ttJEHWm/ZXhNy+UveQOa7CWP6U9AtW7HYuseABtVcrVZyDKPXcNjtONPNQH9zXfp8mNn/A== X-Received: by 10.46.41.7 with SMTP id u7mr4481956lje.107.1507568047247; Mon, 09 Oct 2017 09:54:07 -0700 (PDT) Received: from enkidu.local (31-172-191-173.noc.fibertech.net.pl. [31.172.191.173]) by smtp.gmail.com with ESMTPSA id z204sm1421490lff.33.2017.10.09.09.54.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Oct 2017 09:54:06 -0700 (PDT) From: Marcin Wojtas To: edk2-devel@lists.01.org Cc: leif.lindholm@linaro.org, ard.biesheuvel@linaro.org, nadavh@marvell.com, neta@marvell.com, kostap@marvell.com, jinghua@marvell.com, mw@semihalf.com, jsd@semihalf.com Date: Mon, 9 Oct 2017 19:00:52 +0200 Message-Id: <1507568462-28775-4-git-send-email-mw@semihalf.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1507568462-28775-1-git-send-email-mw@semihalf.com> References: <1507568462-28775-1-git-send-email-mw@semihalf.com> Subject: [platforms: PATCH 03/13] Marvell/Armada: Armada70x0Lib: Terminate call stack list at entry X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Oct 2017 16:50:42 -0000 From: Ard Biesheuvel To avoid dereferencing junk when walking the call stack in exception handlers (which may prevent us from getting a full backtrace), set the frame pointer to 0x0 when first entering UEFI. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel Signed-off-by: Marcin Wojtas --- Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S | 1 + 1 file changed, 1 insertion(+) diff --git a/Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S b/Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S index 9265636..72f8cfc 100644 --- a/Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S +++ b/Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S @@ -16,6 +16,7 @@ #include ASM_FUNC(ArmPlatformPeiBootAction) + mov x29, xzr ret //UINTN -- 1.8.3.1