From nobody Fri Apr 4 03:49:57 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1739931539143621.9275248273022; Tue, 18 Feb 2025 18:18:59 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tkZfD-0000ZC-Nw; Tue, 18 Feb 2025 21:18:15 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tkZfA-0000Z3-2k for qemu-devel@nongnu.org; Tue, 18 Feb 2025 21:18:12 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tkZf5-0005uQ-WE for qemu-devel@nongnu.org; Tue, 18 Feb 2025 21:18:10 -0500 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8BxlmlXP7VnAnd6AA--.14769S3; Wed, 19 Feb 2025 10:17:59 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMDxu8RWP7VneVgbAA--.35346S2; Wed, 19 Feb 2025 10:17:58 +0800 (CST) From: Bibo Mao To: Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Cc: qemu-devel@nongnu.org Subject: [PATCH] hw/elf_ops: Use physical address about kernel entry Date: Wed, 19 Feb 2025 10:17:58 +0800 Message-Id: <20250219021758.190644-1-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMDxu8RWP7VneVgbAA--.35346S2 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=114.242.206.163; envelope-from=maobibo@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1739931541533019000 Content-Type: text/plain; charset="utf-8" With load_elf() API, if input parameter translate_fn is set, loading address is converted to physical address. It should be the same for entry address, since MMU is disabled when system power on, the first instruction of PC should be physical address. Signed-off-by: Bibo Mao --- include/hw/elf_ops.h.inc | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/hw/elf_ops.h.inc b/include/hw/elf_ops.h.inc index 9c35d1b9da..37ce7845a9 100644 --- a/include/hw/elf_ops.h.inc +++ b/include/hw/elf_ops.h.inc @@ -388,7 +388,11 @@ static ssize_t glue(load_elf, SZ)(const char *name, in= t fd, *pflags =3D ehdr.e_flags; } if (pentry) { - *pentry =3D ehdr.e_entry; + if (translate_fn) { + *pentry =3D translate_fn(translate_opaque, ehdr.e_entry); + } else { + *pentry =3D ehdr.e_entry; + } } =20 glue(load_symbols, SZ)(&ehdr, fd, must_swab, clear_lsb, sym_cb); base-commit: db7aa99ef894e88fc5eedf02ca2579b8c344b2ec --=20 2.39.3