From nobody Mon Feb 9 16:48:43 2026 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 1667959555402460.92645147543897; Tue, 8 Nov 2022 18:05:55 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1osaSv-0005kv-Me; Tue, 08 Nov 2022 21:05:21 -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 1osaSc-0005ip-MU for qemu-devel@nongnu.org; Tue, 08 Nov 2022 21:05:09 -0500 Received: from mail.loongson.cn ([114.242.206.163] helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1osaSZ-0005Ba-Nw for qemu-devel@nongnu.org; Tue, 08 Nov 2022 21:05:02 -0500 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxvrfDCmtjTHQFAA--.12731S3; Wed, 09 Nov 2022 10:04:51 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Bxj+DDCmtjgEkPAA--.42108S2; Wed, 09 Nov 2022 10:04:51 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org, richard.henderson@linaro.org Cc: stefanha@gmail.com, yangxiaojuan@loongson.cn, maobibo@loongson.cn Subject: [PATCH v2] target/loongarch: Fix loongarch fdt addr confict Date: Wed, 9 Nov 2022 10:04:49 +0800 Message-Id: <20221109020449.978064-1-gaosong@loongson.cn> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8Bxj+DDCmtjgEkPAA--.42108S2 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjvJXoW7AFW3Ar13tFWftw4rXr47urg_yoW8Cry5pF W3ZFsxKr48Xr18Jr4ktFyUZrn8Jr97Aa4aqFW2yr4F9F1DWw1jvrWrZ340vFy8K34fJF10 vFWktry2vFn5tw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b0xFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4 AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26r1I6r4UM28EF7xvwVC0I7IYx2IY6xkF 7I0E14v26r1j6r4UM28EF7xvwVC2z280aVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv6xkF7I 0E14v26r4j6r4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYIkI8VC2zVCF FI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VCjz48v1sIEY20_WwAm72CE4IkC6x0Yz7 v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l42xK82IY6x8ErcxFaVAv 8VWrMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7 xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xII jxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw2 0EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x02 67AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvj4RC_MaUUUUU 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=gaosong@loongson.cn; helo=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, SPF_HELO_PASS=-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: 1667959557833100003 Content-Type: text/plain; charset="utf-8" Fix LoongArch check-tcg error: TEST hello on loongarch64 qemu-system-loongarch64: Some ROM regions are overlapping These ROM regions might have been loaded by direct user request or by defau= lt. They could be BIOS/firmware images, a guest kernel, initrd or some other fi= le loaded into guest memory. Check whether you intended to load all this guest code, and whether it has = been built to load to the correct addresses. The following two regions overlap (in the memory address space): hello ELF program header segment 0 (addresses 0x0000000000200000 - 0x000= 0000000242000) fdt (addresses 0x0000000000200000 - 0x0000000000300000) make[1]: *** [Makefile:177: run-hello] Error 1 Reported-by: Richard Henderson Signed-off-by: Song Gao Reviewed-by: Richard Henderson --- hw/loongarch/virt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index 5e4c2790bf..5136940b0b 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -793,13 +793,13 @@ static void loongarch_init(MachineState *machine) qemu_add_machine_init_done_notifier(&lams->machine_done); fdt_add_pcie_node(lams); /* - * Since lowmem region starts from 0, FDT base address is located - * at 2 MiB to avoid NULL pointer access. - * + * Since lowmem region starts from 0 and Linux kernel legacy start add= ress + * at 2 MiB, FDT base address is located at 1 MiB to avoid NULL pointer + * access. FDT size limit with 1 MiB. * Put the FDT into the memory map as a ROM image: this will ensure * the FDT is copied again upon reset, even if addr points into RAM. */ - fdt_base =3D 2 * MiB; + fdt_base =3D 1 * MiB; qemu_fdt_dumpdtb(machine->fdt, lams->fdt_size); rom_add_blob_fixed("fdt", machine->fdt, lams->fdt_size, fdt_base); } --=20 2.31.1