From nobody Sun Sep 28 17:12:47 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 1757920870313577.5776091509134; Mon, 15 Sep 2025 00:21:10 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uy3Vg-0002KQ-CO; Mon, 15 Sep 2025 03:20:24 -0400 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 1uy3VZ-0002IB-OB for qemu-devel@nongnu.org; Mon, 15 Sep 2025 03:20:17 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uy3VG-0000KP-B6 for qemu-devel@nongnu.org; Mon, 15 Sep 2025 03:20:17 -0400 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8Dx_tITvsdo8GwKAA--.22255S3; Mon, 15 Sep 2025 15:19:47 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowJAxVOQSvsdoXteWAA--.24724S4; Mon, 15 Sep 2025 15:19:47 +0800 (CST) From: Bibo Mao To: Song Gao Cc: Jiaxun Yang , qemu-devel@nongnu.org Subject: [PATCH 2/8] hw/loongarch/virt: Add field ram_end in LoongArchVirtMachineState Date: Mon, 15 Sep 2025 15:19:40 +0800 Message-Id: <20250915071946.315171-3-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250915071946.315171-1-maobibo@loongson.cn> References: <20250915071946.315171-1-maobibo@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJAxVOQSvsdoXteWAA--.24724S4 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_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 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: 1757920873031116600 Content-Type: text/plain; charset="utf-8" DRAM region is dynamically set and the last valid physical address region with LoongArch Virt Machine. To record the last valid physical address, field ram_end is added in structure LoongArchVirtMachineState. In future PCIE 64-bit MMIO region will start next from DRAM memory region. Signed-off-by: Bibo Mao --- hw/loongarch/virt.c | 2 ++ include/hw/loongarch/virt.h | 1 + 2 files changed, 3 insertions(+) diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index 31215b7785..76e43c5f71 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -755,8 +755,10 @@ static void virt_init(MachineState *machine) exit(EXIT_FAILURE); } machine_memory_devices_init(machine, base, device_mem_size); + base +=3D device_mem_size; } =20 + lvms->ram_end =3D base; /* load the BIOS image. */ virt_firmware_init(lvms); =20 diff --git a/include/hw/loongarch/virt.h b/include/hw/loongarch/virt.h index 602feab0f0..8b970d1753 100644 --- a/include/hw/loongarch/virt.h +++ b/include/hw/loongarch/virt.h @@ -65,6 +65,7 @@ struct LoongArchVirtMachineState { DeviceState *extioi; struct memmap_entry *memmap_table; unsigned int memmap_entries; + hwaddr ram_end; }; =20 #define TYPE_LOONGARCH_VIRT_MACHINE MACHINE_TYPE_NAME("virt") --=20 2.39.3