From patchwork Thu Aug 24 09:24:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Gao X-Patchwork-Id: 13363895 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 63404C27C40 for ; Thu, 24 Aug 2023 09:29:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qZ6bi-0003c5-CG; Thu, 24 Aug 2023 05:26:27 -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 1qZ6bT-0003Ex-Ak for qemu-devel@nongnu.org; Thu, 24 Aug 2023 05:26:11 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qZ6bO-0004D8-HB for qemu-devel@nongnu.org; Thu, 24 Aug 2023 05:26:10 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8AxqOjIIedknHkbAA--.20140S3; Thu, 24 Aug 2023 17:24:24 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxJ826IedkJjhiAA--.40637S30; Thu, 24 Aug 2023 17:24:24 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: stefanha@redhat.com, richard.henderson@linaro.org, Bibo Mao Subject: [PULL 28/31] target/loongarch: cpu: Implement get_arch_id callback Date: Thu, 24 Aug 2023 17:24:06 +0800 Message-Id: <20230824092409.1492470-29-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230824092409.1492470-1-gaosong@loongson.cn> References: <20230824092409.1492470-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxJ826IedkJjhiAA--.40637S30 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@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, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Bibo Mao Implement the callback for getting the architecture-dependent CPU ID, the cpu ID is physical id described in ACPI MADT table, this will be used for cpu hotplug. Signed-off-by: Bibo Mao Reviewed-by: Song Gao Message-Id: <20230824005007.2000525-1-maobibo@loongson.cn> Signed-off-by: Song Gao --- hw/loongarch/virt.c | 2 ++ target/loongarch/cpu.c | 8 ++++++++ target/loongarch/cpu.h | 1 + 3 files changed, 11 insertions(+) diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index af15bf5aaa..2629128aed 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -810,6 +810,8 @@ static void loongarch_init(MachineState *machine) cpu = cpu_create(machine->cpu_type); cpu->cpu_index = i; machine->possible_cpus->cpus[i].cpu = OBJECT(cpu); + lacpu = LOONGARCH_CPU(cpu); + lacpu->phy_id = machine->possible_cpus->cpus[i].arch_id; } fdt_add_cpu_nodes(lams); diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index d3c3e0d8a1..27fc6e1f33 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -722,6 +722,13 @@ static struct TCGCPUOps loongarch_tcg_ops = { static const struct SysemuCPUOps loongarch_sysemu_ops = { .get_phys_page_debug = loongarch_cpu_get_phys_page_debug, }; + +static int64_t loongarch_cpu_get_arch_id(CPUState *cs) +{ + LoongArchCPU *cpu = LOONGARCH_CPU(cs); + + return cpu->phy_id; +} #endif static void loongarch_cpu_class_init(ObjectClass *c, void *data) @@ -742,6 +749,7 @@ static void loongarch_cpu_class_init(ObjectClass *c, void *data) cc->set_pc = loongarch_cpu_set_pc; cc->get_pc = loongarch_cpu_get_pc; #ifndef CONFIG_USER_ONLY + cc->get_arch_id = loongarch_cpu_get_arch_id; dc->vmsd = &vmstate_loongarch_cpu; cc->sysemu_ops = &loongarch_sysemu_ops; #endif diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 25a0ef7e41..4d7201995a 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -376,6 +376,7 @@ struct ArchCPU { CPUNegativeOffsetState neg; CPULoongArchState env; QEMUTimer timer; + uint32_t phy_id; /* 'compatible' string for this CPU for Linux device trees */ const char *dtb_compatible;