From patchwork Fri Aug 25 12:16:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13365529 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 077ADEE49AB for ; Fri, 25 Aug 2023 12:18:55 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qZVlP-00019Y-5R; Fri, 25 Aug 2023 08:18:07 -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 1qZVlN-00018E-CX; Fri, 25 Aug 2023 08:18:05 -0400 Received: from out30-101.freemail.mail.aliyun.com ([115.124.30.101]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qZVlK-0003rJ-4t; Fri, 25 Aug 2023 08:18:05 -0400 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R221e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=ay29a033018046060; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=15; SR=0; TI=SMTPD_---0VqXSP-b_1692965862; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0VqXSP-b_1692965862) by smtp.aliyun-inc.com; Fri, 25 Aug 2023 20:17:42 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: Alistair.Francis@wdc.com, palmer@dabbelt.com, eduardo@habkost.net, marcel.apfelbaum@gmail.com, philmd@linaro.org, wangyanan55@huawei.com, richard.henderson@linaro.org, pbonzini@redhat.com, bin.meng@windriver.com, liweiwei@iscas.ac.cn, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, qemu-riscv@nongnu.org, ajones@ventanamicro.com Subject: [RFC PATCH 1/3] cpu: Add new API cpu_type_by_name Date: Fri, 25 Aug 2023 20:16:49 +0800 Message-Id: <20230825121651.1534-2-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20230825121651.1534-1-zhiwei_liu@linux.alibaba.com> References: <20230825121651.1534-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.101; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-101.freemail.mail.aliyun.com X-Spam_score_int: -98 X-Spam_score: -9.9 X-Spam_bar: --------- X-Spam_report: (-9.9 / 5.0 requ) BAYES_00=-1.9, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_SPF_WL=-7.5 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 cpu_type_by_name is used to get the cpu type name from the command line -cpu. Currently it is only used by parse_cpu_option. In the next patch, it will be used by other cpu query functions. Signed-off-by: LIU Zhiwei Reviewed-by: Philippe Mathieu-Daudé --- cpu.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/cpu.c b/cpu.c index 1c948d1161..e1a9239d0f 100644 --- a/cpu.c +++ b/cpu.c @@ -257,28 +257,35 @@ void cpu_exec_initfn(CPUState *cpu) #endif } -const char *parse_cpu_option(const char *cpu_option) +static const char *cpu_type_by_name(const char *cpu_model) { ObjectClass *oc; - CPUClass *cc; - gchar **model_pieces; const char *cpu_type; - model_pieces = g_strsplit(cpu_option, ",", 2); - if (!model_pieces[0]) { - error_report("-cpu option cannot be empty"); - exit(1); - } - oc = cpu_class_by_name(CPU_RESOLVING_TYPE, model_pieces[0]); + oc = cpu_class_by_name(CPU_RESOLVING_TYPE, cpu_model); if (oc == NULL) { - error_report("unable to find CPU model '%s'", model_pieces[0]); - g_strfreev(model_pieces); + error_report("unable to find CPU model '%s'", cpu_model); exit(EXIT_FAILURE); } cpu_type = object_class_get_name(oc); - cc = CPU_CLASS(oc); + return cpu_type; +} + +const char *parse_cpu_option(const char *cpu_option) +{ + const char *cpu_type; + CPUClass *cc; + gchar **model_pieces; + + model_pieces = g_strsplit(cpu_option, ",", 2); + if (!model_pieces[0]) { + error_report("-cpu option cannot be empty"); + exit(1); + } + cpu_type = cpu_type_by_name(model_pieces[0]); + cc = CPU_CLASS(object_class_by_name(cpu_type)); cc->parse_features(cpu_type, model_pieces[1], &error_fatal); g_strfreev(model_pieces); return cpu_type;