From patchwork Mon Oct 22 15:03:14 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 193238 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 4860F2C007D for ; Tue, 23 Oct 2012 04:03:28 +1100 (EST) Received: from localhost ([::1]:45346 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TQJZD-0003Xn-Ev for incoming@patchwork.ozlabs.org; Mon, 22 Oct 2012 11:05:23 -0400 Received: from eggs.gnu.org ([208.118.235.92]:59907) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TQJYx-0003HO-69 for qemu-devel@nongnu.org; Mon, 22 Oct 2012 11:05:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TQJYp-0000s6-1L for qemu-devel@nongnu.org; Mon, 22 Oct 2012 11:05:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:22552) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TQJYo-0000rs-OY for qemu-devel@nongnu.org; Mon, 22 Oct 2012 11:04:58 -0400 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q9MF4sTq015115 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 22 Oct 2012 11:04:54 -0400 Received: from nial.brq.redhat.com (dhcp-1-247.brq.redhat.com [10.34.1.247]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q9MF3OnT031350; Mon, 22 Oct 2012 11:04:52 -0400 From: Igor Mammedov To: qemu-devel@nongnu.org Date: Mon, 22 Oct 2012 17:03:14 +0200 Message-Id: <1350918203-25198-29-git-send-email-imammedo@redhat.com> In-Reply-To: <1350918203-25198-1-git-send-email-imammedo@redhat.com> References: <1350918203-25198-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: aliguori@us.ibm.com, ehabkost@redhat.com, jan.kiszka@siemens.com, Don@CloudSwitch.com, mdroth@linux.vnet.ibm.com, blauwirbel@gmail.com, stefanha@redhat.com, pbonzini@redhat.com, afaerber@suse.de Subject: [Qemu-devel] [PATCH 28/37] target-i386: convert "model-id" to static property X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 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 check "if (model_id == NULL)" looks to unnecessary now, since all builtin model-ids are not NULL and user shouldn't be able to set it NULL (cpumodel string parsing code takes care of it, if feature is specified as "model-id=" on command line, its parsing will result in an empty string as value). - use g_malloc0() instead of g_malloc() in x86_cpuid_get_model_id() Signed-off-by: Igor Mammedov --- target-i386/cpu.c | 91 +++++++++++++++++++++++++++++++------------------------ 1 file changed, 51 insertions(+), 40 deletions(-) diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 8d3f4cc..6cbdde1 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -391,6 +391,56 @@ PropertyInfo qdev_prop_tsc_freq = { #define DEFINE_PROP_TSC_FREQ(_n, _s, _f) \ DEFINE_PROP(_n, _s, _f, qdev_prop_tsc_freq, int32_t) +static void x86_cpuid_get_model_id(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + X86CPU *cpu = X86_CPU(obj); + CPUX86State *env = &cpu->env; + char *value; + int i; + + value = g_malloc0(48 + 1); + for (i = 0; i < 48; i++) { + value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3)); + } + visit_type_str(v, &value, name, errp); + g_free(value); +} + +static void x86_cpuid_set_model_id(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + X86CPU *cpu = X86_CPU(obj); + CPUX86State *env = &cpu->env; + int c, len, i; + char *value; + + visit_type_str(v, &value, name, errp); + if (error_is_set(errp)) { + return; + } + + len = strlen(value); + memset(env->cpuid_model, 0, 48); + for (i = 0; i < 48; i++) { + if (i >= len) { + c = '\0'; + } else { + c = (uint8_t)value[i]; + } + env->cpuid_model[i >> 2] |= c << (8 * (i & 3)); + } + g_free(value); +} + +PropertyInfo qdev_prop_model_id = { + .name = "string", + .get = x86_cpuid_get_model_id, + .set = x86_cpuid_set_model_id, +}; +#define DEFINE_PROP_MODEL_ID(_n) \ + DEFINE_ABSTRACT_PROP(_n, qdev_prop_model_id) + static Property cpu_x86_properties[] = { DEFINE_PROP_BIT("f-fpu", X86CPU, env.cpuid_features, 0, false), DEFINE_PROP_BIT("f-vme", X86CPU, env.cpuid_features, 1, false), @@ -512,6 +562,7 @@ static Property cpu_x86_properties[] = { DEFINE_PROP_ENFORCE("enforce"), DEFINE_PROP_VENDOR("vendor", X86CPU, env.cpuid_vendor1), DEFINE_PROP_TSC_FREQ("tsc-frequency", X86CPU, env.tsc_khz), + DEFINE_PROP_MODEL_ID("model-id"), DEFINE_PROP_END_OF_LIST(), }; @@ -1333,43 +1384,6 @@ static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v, env->cpuid_version |= value & 0xf; } -static char *x86_cpuid_get_model_id(Object *obj, Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - CPUX86State *env = &cpu->env; - char *value; - int i; - - value = g_malloc(48 + 1); - for (i = 0; i < 48; i++) { - value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3)); - } - value[48] = '\0'; - return value; -} - -static void x86_cpuid_set_model_id(Object *obj, const char *model_id, - Error **errp) -{ - X86CPU *cpu = X86_CPU(obj); - CPUX86State *env = &cpu->env; - int c, len, i; - - if (model_id == NULL) { - model_id = ""; - } - len = strlen(model_id); - memset(env->cpuid_model, 0, 48); - for (i = 0; i < 48; i++) { - if (i >= len) { - c = '\0'; - } else { - c = (uint8_t)model_id[i]; - } - env->cpuid_model[i >> 2] |= c << (8 * (i & 3)); - } -} - static void cpudef_2_x86_cpu(X86CPU *cpu, x86_def_t *def, Error **errp) { CPUX86State *env = &cpu->env; @@ -2243,9 +2257,6 @@ static void x86_cpu_initfn(Object *obj) object_property_add(obj, "stepping", "int", x86_cpuid_version_get_stepping, x86_cpuid_version_set_stepping, NULL, NULL, NULL); - object_property_add_str(obj, "model-id", - x86_cpuid_get_model_id, - x86_cpuid_set_model_id, NULL); env->cpuid_apic_id = env->cpu_index;