From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A37F9C433F5 for ; Sat, 13 Nov 2021 17:34:45 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2A0E261168 for ; Sat, 13 Nov 2021 17:34:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2A0E261168 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.denx.de Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 62D9A82FE4; Sat, 13 Nov 2021 18:34:43 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 3D76E80202; Sat, 13 Nov 2021 18:34:41 +0100 (CET) From: marek.vasut@gmail.com To: u-boot@lists.denx.de Cc: Marek Vasut , Simon Glass , Tom Rini Subject: [PATCH v3] lmb: Reserve U-Boot separately if relocation is disabled Date: Sat, 13 Nov 2021 18:34:37 +0100 Message-Id: <20211113173437.32049-1-marek.vasut@gmail.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.35 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean From: Marek Vasut In case U-Boot starts with GD_FLG_SKIP_RELOC, the U-Boot code is not relocated, however the stack and heap is at the end of DRAM after relocation. Reserve a LMB area for the non-relocated U-Boot code so it won't be overwritten. Signed-off-by: Marek Vasut Cc: Simon Glass Cc: Tom Rini --- V2: Make this fully generic V3: Cast _start to uintptr_t first --- lib/lmb.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/lmb.c b/lib/lmb.c index 676b3a0bda..f72996a424 100644 --- a/lib/lmb.c +++ b/lib/lmb.c @@ -13,6 +13,7 @@ #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -144,6 +145,10 @@ void arch_lmb_reserve_generic(struct lmb *lmb, ulong sp, ulong end, ulong align) bank_end = end - 1; lmb_reserve(lmb, sp, bank_end - sp + 1); + + if (gd->flags & GD_FLG_SKIP_RELOC) + lmb_reserve(lmb, (phys_addr_t)(uintptr_t)_start, gd->mon_len); + break; } } -- 2.33.0