From patchwork Wed Nov 11 18:38:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 11898307 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 31B5A1391 for ; Wed, 11 Nov 2020 18:41:03 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id BDB20205CB for ; Wed, 11 Nov 2020 18:41:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="cwx9bUT7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BDB20205CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:33876 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kcv3F-0001zg-JF for patchwork-qemu-devel@patchwork.kernel.org; Wed, 11 Nov 2020 13:41:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44564) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kcv0v-0000Bj-FD for qemu-devel@nongnu.org; Wed, 11 Nov 2020 13:38:37 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:49779) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kcv0t-0007x9-Hk for qemu-devel@nongnu.org; Wed, 11 Nov 2020 13:38:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605119914; 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=6wipV9DyT8v9GxPLDtRf53NrVtpF9utbNGmD7d2mTqo=; b=cwx9bUT7gDc9GNByR05IsU7e2RwGLknPx2zibxlxE1Y02who3PUe8NIwiRdGl6QuG32TpX Dg7msX04QPx5Cm+78kvXicm2iBdvjm3dINPwGHZckDTDIWoCf7wCaX2JvOnHIzyh09qrD2 zIM5MTm2NKi0t9t9ISqMztI0phd91ew= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-214-4I9-urgrMJ2FalpSwpxkQw-1; Wed, 11 Nov 2020 13:38:33 -0500 X-MC-Unique: 4I9-urgrMJ2FalpSwpxkQw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 37DBC802B56; Wed, 11 Nov 2020 18:38:32 +0000 (UTC) Received: from localhost (ovpn-114-68.rdu2.redhat.com [10.10.114.68]) by smtp.corp.redhat.com (Postfix) with ESMTP id B2A385B4D2; Wed, 11 Nov 2020 18:38:31 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org Subject: [PATCH v2 04/12] i386: Register feature bit properties as class properties Date: Wed, 11 Nov 2020 13:38:15 -0500 Message-Id: <20201111183823.283752-5-ehabkost@redhat.com> In-Reply-To: <20201111183823.283752-1-ehabkost@redhat.com> References: <20201111183823.283752-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/11 01:42:46 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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_H5=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: John Snow , Richard Henderson , "Daniel P. Berrange" , Paolo Bonzini Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Class properties make QOM introspection simpler and easier, as they don't require an object to be instantiated. Signed-off-by: Eduardo Habkost --- Changes v1 -> v2: * Remove x86_cpu_release_bit_prop() function, as we will allocate BitProperty only once and never free the class property list --- Cc: Paolo Bonzini Cc: Richard Henderson Cc: Eduardo Habkost Cc: qemu-devel@nongnu.org --- target/i386/cpu.c | 40 ++++++++++++++++------------------------ 1 file changed, 16 insertions(+), 24 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 0d8606958e..dbba1151f2 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6823,29 +6823,23 @@ static void x86_cpu_set_bit_prop(Object *obj, Visitor *v, const char *name, cpu->env.user_features[fp->w] |= fp->mask; } -static void x86_cpu_release_bit_prop(Object *obj, const char *name, - void *opaque) -{ - BitProperty *prop = opaque; - g_free(prop); -} - /* Register a boolean property to get/set a single bit in a uint32_t field. * * The same property name can be registered multiple times to make it affect * multiple bits in the same FeatureWord. In that case, the getter will return * true only if all bits are set. */ -static void x86_cpu_register_bit_prop(X86CPU *cpu, +static void x86_cpu_register_bit_prop(X86CPUClass *xcc, const char *prop_name, FeatureWord w, int bitnr) { + ObjectClass *oc = OBJECT_CLASS(xcc); BitProperty *fp; ObjectProperty *op; uint64_t mask = (1ULL << bitnr); - op = object_property_find(OBJECT(cpu), prop_name); + op = object_class_property_find(oc, prop_name); if (op) { fp = op->opaque; assert(fp->w == w); @@ -6854,14 +6848,14 @@ static void x86_cpu_register_bit_prop(X86CPU *cpu, fp = g_new0(BitProperty, 1); fp->w = w; fp->mask = mask; - object_property_add(OBJECT(cpu), prop_name, "bool", - x86_cpu_get_bit_prop, - x86_cpu_set_bit_prop, - x86_cpu_release_bit_prop, fp); + object_class_property_add(oc, prop_name, "bool", + x86_cpu_get_bit_prop, + x86_cpu_set_bit_prop, + NULL, fp); } } -static void x86_cpu_register_feature_bit_props(X86CPU *cpu, +static void x86_cpu_register_feature_bit_props(X86CPUClass *xcc, FeatureWord w, int bitnr) { @@ -6880,7 +6874,7 @@ static void x86_cpu_register_feature_bit_props(X86CPU *cpu, /* aliases don't use "|" delimiters anymore, they are registered * manually using object_property_add_alias() */ assert(!strchr(name, '|')); - x86_cpu_register_bit_prop(cpu, name, w, bitnr); + x86_cpu_register_bit_prop(xcc, name, w, bitnr); } #if !defined(CONFIG_USER_ONLY) @@ -6934,7 +6928,6 @@ static void x86_cpu_initfn(Object *obj) X86CPU *cpu = X86_CPU(obj); X86CPUClass *xcc = X86_CPU_GET_CLASS(obj); CPUX86State *env = &cpu->env; - FeatureWord w; env->nr_dies = 1; cpu_set_cpustate_pointers(cpu); @@ -6946,14 +6939,6 @@ static void x86_cpu_initfn(Object *obj) x86_cpu_get_feature_words, NULL, NULL, (void *)cpu->filtered_features); - for (w = 0; w < FEATURE_WORDS; w++) { - int bitnr; - - for (bitnr = 0; bitnr < 64; bitnr++) { - x86_cpu_register_feature_bit_props(cpu, w, bitnr); - } - } - object_property_add_alias(obj, "sse3", obj, "pni"); object_property_add_alias(obj, "pclmuldq", obj, "pclmulqdq"); object_property_add_alias(obj, "sse4-1", obj, "sse4.1"); @@ -7239,6 +7224,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data) X86CPUClass *xcc = X86_CPU_CLASS(oc); CPUClass *cc = CPU_CLASS(oc); DeviceClass *dc = DEVICE_CLASS(oc); + FeatureWord w; device_class_set_parent_realize(dc, x86_cpu_realizefn, &xcc->parent_realize); @@ -7328,6 +7314,12 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data) x86_cpu_get_crash_info_qom, NULL, NULL, NULL); #endif + for (w = 0; w < FEATURE_WORDS; w++) { + int bitnr; + for (bitnr = 0; bitnr < 64; bitnr++) { + x86_cpu_register_feature_bit_props(xcc, w, bitnr); + } + } } static const TypeInfo x86_cpu_type_info = {