From patchwork Thu Jul 13 05:45:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 1807084 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=TUVD03iG; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4R1kCS43vQz20Ph for ; Thu, 13 Jul 2023 15:47:32 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qJp9i-0007jP-La; Thu, 13 Jul 2023 01:46:22 -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 1qJp9K-0007gb-NT for qemu-devel@nongnu.org; Thu, 13 Jul 2023 01:46:05 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qJp9I-0001Ty-Oo for qemu-devel@nongnu.org; Thu, 13 Jul 2023 01:45:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1689227155; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ctc54UK+2FaeECy107aW/TxlZ3i7LcNlV6WoFKBEmwA=; b=TUVD03iGFZ4RjCiExVL73KAMHiUpIfkMomH5ksV6VnKn7gqj5bc/np9lhPEWc9DgUOk56O OeiaaD9bwlYgyAtKBsrWwi641jH7pLCSTH32b25wF24OYeQ9hmor/yPAkZu8XQAATS2rK0 GPclNX2YpJPpbspRYz4qW8xFo/STZw8= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-434-EY3TQcYZPlmsPZCLVZU_TQ-1; Thu, 13 Jul 2023 01:45:51 -0400 X-MC-Unique: EY3TQcYZPlmsPZCLVZU_TQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2FB2E104458D; Thu, 13 Jul 2023 05:45:51 +0000 (UTC) Received: from gshan.redhat.com (vpn2-54-126.bne.redhat.com [10.64.54.126]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C6FA5111DCE0; Thu, 13 Jul 2023 05:45:47 +0000 (UTC) From: Gavin Shan To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, pbonzini@redhat.com, eduardo@habkost.net, peter.maydell@linaro.org, marcel.apfelbaum@gmail.com, philmd@linaro.org, wangyanan55@huawei.com, shan.gavin@gmail.com Subject: [PATCH 1/3] machine: Factor CPU type invalidation out into helper Date: Thu, 13 Jul 2023 15:45:00 +1000 Message-ID: <20230713054502.410911-2-gshan@redhat.com> In-Reply-To: <20230713054502.410911-1-gshan@redhat.com> References: <20230713054502.410911-1-gshan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Received-SPF: pass client-ip=170.10.133.124; envelope-from=gshan@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The CPU type invalidation logic in machine_run_board_init() is independent enough. Lets factor it out into helper validate_cpu_type(). Since we're here, the relevant comments are improved a bit. No functional change intended. Signed-off-by: Gavin Shan --- hw/core/machine.c | 81 +++++++++++++++++++++++++---------------------- 1 file changed, 43 insertions(+), 38 deletions(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index f0d35c6401..68b866c762 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -1349,12 +1349,52 @@ out: return r; } +static void validate_cpu_type(MachineState *machine) +{ + MachineClass *machine_class = MACHINE_GET_CLASS(machine); + ObjectClass *oc = object_class_by_name(machine->cpu_type); + CPUClass *cc = CPU_CLASS(oc); + int i; + + /* + * Check if the user-specified CPU type is supported when the valid + * CPU types have been determined. Note that the user-specified CPU + * type is given by '-cpu' option. + */ + if (!machine->cpu_type || !machine_class->valid_cpu_types) { + goto out_no_check; + } + + for (i = 0; machine_class->valid_cpu_types[i]; i++) { + if (object_class_dynamic_cast(oc, machine_class->valid_cpu_types[i])) { + break; + } + } + + if (!machine_class->valid_cpu_types[i]) { + /* The user-specified CPU type is invalid */ + error_report("Invalid CPU type: %s", machine->cpu_type); + error_printf("The valid types are: %s", + machine_class->valid_cpu_types[0]); + for (i = 1; machine_class->valid_cpu_types[i]; i++) { + error_printf(", %s", machine_class->valid_cpu_types[i]); + } + error_printf("\n"); + + exit(1); + } + + /* Check if CPU type is deprecated and warn if so */ +out_no_check: + if (cc && cc->deprecation_note) { + warn_report("CPU model %s is deprecated -- %s", + machine->cpu_type, cc->deprecation_note); + } +} void machine_run_board_init(MachineState *machine, const char *mem_path, Error **errp) { MachineClass *machine_class = MACHINE_GET_CLASS(machine); - ObjectClass *oc = object_class_by_name(machine->cpu_type); - CPUClass *cc; /* This checkpoint is required by replay to separate prior clock reading from the other reads, because timer polling functions query @@ -1405,42 +1445,7 @@ void machine_run_board_init(MachineState *machine, const char *mem_path, Error * machine->ram = machine_consume_memdev(machine, machine->memdev); } - /* If the machine supports the valid_cpu_types check and the user - * specified a CPU with -cpu check here that the user CPU is supported. - */ - if (machine_class->valid_cpu_types && machine->cpu_type) { - int i; - - for (i = 0; machine_class->valid_cpu_types[i]; i++) { - if (object_class_dynamic_cast(oc, - machine_class->valid_cpu_types[i])) { - /* The user specificed CPU is in the valid field, we are - * good to go. - */ - break; - } - } - - if (!machine_class->valid_cpu_types[i]) { - /* The user specified CPU is not valid */ - error_report("Invalid CPU type: %s", machine->cpu_type); - error_printf("The valid types are: %s", - machine_class->valid_cpu_types[0]); - for (i = 1; machine_class->valid_cpu_types[i]; i++) { - error_printf(", %s", machine_class->valid_cpu_types[i]); - } - error_printf("\n"); - - exit(1); - } - } - - /* Check if CPU type is deprecated and warn if so */ - cc = CPU_CLASS(oc); - if (cc && cc->deprecation_note) { - warn_report("CPU model %s is deprecated -- %s", machine->cpu_type, - cc->deprecation_note); - } + validate_cpu_type(machine); if (machine->cgs) { /* From patchwork Thu Jul 13 05:45:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 1807083 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; 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Thu, 13 Jul 2023 05:45:54 +0000 (UTC) Received: from gshan.redhat.com (vpn2-54-126.bne.redhat.com [10.64.54.126]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B3AEC111DCE0; Thu, 13 Jul 2023 05:45:51 +0000 (UTC) From: Gavin Shan To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, pbonzini@redhat.com, eduardo@habkost.net, peter.maydell@linaro.org, marcel.apfelbaum@gmail.com, philmd@linaro.org, wangyanan55@huawei.com, shan.gavin@gmail.com Subject: [PATCH 2/3] hw/arm/virt: Use generic CPU type invalidation Date: Thu, 13 Jul 2023 15:45:01 +1000 Message-ID: <20230713054502.410911-3-gshan@redhat.com> In-Reply-To: <20230713054502.410911-1-gshan@redhat.com> References: <20230713054502.410911-1-gshan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Received-SPF: pass client-ip=170.10.133.124; envelope-from=gshan@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org There is a generic CPU type invalidation in machine_run_board_init() and we needn't a same and private invalidation. Set mc->valid_cpu_types to use the generic CPU type invalidation. No functional change intended. Signed-off-by: Gavin Shan --- hw/arm/virt.c | 21 +++------------------ 1 file changed, 3 insertions(+), 18 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 7d9dbc2663..43d7772ffd 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -203,7 +203,7 @@ static const int a15irqmap[] = { [VIRT_PLATFORM_BUS] = 112, /* ...to 112 + PLATFORM_BUS_NUM_IRQS -1 */ }; -static const char *valid_cpus[] = { +static const char *valid_cpu_types[] = { #ifdef CONFIG_TCG ARM_CPU_TYPE_NAME("cortex-a7"), ARM_CPU_TYPE_NAME("cortex-a15"), @@ -219,20 +219,9 @@ static const char *valid_cpus[] = { ARM_CPU_TYPE_NAME("cortex-a57"), ARM_CPU_TYPE_NAME("host"), ARM_CPU_TYPE_NAME("max"), + NULL }; -static bool cpu_type_valid(const char *cpu) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(valid_cpus); i++) { - if (strcmp(cpu, valid_cpus[i]) == 0) { - return true; - } - } - return false; -} - static void create_randomness(MachineState *ms, const char *node) { struct { @@ -2030,11 +2019,6 @@ static void machvirt_init(MachineState *machine) unsigned int smp_cpus = machine->smp.cpus; unsigned int max_cpus = machine->smp.max_cpus; - if (!cpu_type_valid(machine->cpu_type)) { - error_report("mach-virt: CPU type %s not supported", machine->cpu_type); - exit(1); - } - possible_cpus = mc->possible_cpu_arch_ids(machine); /* @@ -2953,6 +2937,7 @@ static void virt_machine_class_init(ObjectClass *oc, void *data) #else mc->default_cpu_type = ARM_CPU_TYPE_NAME("max"); #endif + mc->valid_cpu_types = valid_cpu_types; mc->get_default_cpu_node_id = virt_get_default_cpu_node_id; mc->kvm_type = virt_kvm_type; assert(!mc->get_hotplug_handler); From patchwork Thu Jul 13 05:45:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 1807082 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; 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Thu, 13 Jul 2023 05:45:58 +0000 (UTC) Received: from gshan.redhat.com (vpn2-54-126.bne.redhat.com [10.64.54.126]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 7E9A0111DCE0; Thu, 13 Jul 2023 05:45:55 +0000 (UTC) From: Gavin Shan To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, pbonzini@redhat.com, eduardo@habkost.net, peter.maydell@linaro.org, marcel.apfelbaum@gmail.com, philmd@linaro.org, wangyanan55@huawei.com, shan.gavin@gmail.com Subject: [PATCH 3/3] hw/arm/virt: Support host CPU type only when KVM or HVF is configured Date: Thu, 13 Jul 2023 15:45:02 +1000 Message-ID: <20230713054502.410911-4-gshan@redhat.com> In-Reply-To: <20230713054502.410911-1-gshan@redhat.com> References: <20230713054502.410911-1-gshan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Received-SPF: pass client-ip=170.10.133.124; envelope-from=gshan@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The CPU type 'host-arm-cpu' class won't be registered until KVM or HVF is configured in target/arm/cpu64.c. Support the corresponding CPU type only when KVM or HVF is configured. Signed-off-by: Gavin Shan --- hw/arm/virt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 43d7772ffd..ad28634445 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -217,7 +217,9 @@ static const char *valid_cpu_types[] = { #endif ARM_CPU_TYPE_NAME("cortex-a53"), ARM_CPU_TYPE_NAME("cortex-a57"), +#if defined(CONFIG_KVM) || defined(CONFIG_HVF) ARM_CPU_TYPE_NAME("host"), +#endif ARM_CPU_TYPE_NAME("max"), NULL };