From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66B6CC433C1 for ; Thu, 25 Mar 2021 21:58:38 +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 9B4E1619F3 for ; Thu, 25 Mar 2021 21:58:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B4E1619F3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41828 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lPXzw-0004Bh-En for qemu-devel@archiver.kernel.org; Thu, 25 Mar 2021 17:58:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52730) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPXyM-0003fP-Mw for qemu-devel@nongnu.org; Thu, 25 Mar 2021 17:56:58 -0400 Received: from mx2.suse.de ([195.135.220.15]:60224) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPXyL-0000gL-6Q for qemu-devel@nongnu.org; Thu, 25 Mar 2021 17:56:58 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 6D7B6AE04; Thu, 25 Mar 2021 21:56:55 +0000 (UTC) Subject: Re: [RFC v11 47/55] target/arm: make is_aa64 and arm_el_is_aa64 a macro for !TARGET_AARCH64 To: Richard Henderson , Peter Maydell , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , =?UTF-8?Q?Alex_Benn=c3=a9e?= References: <20210323151749.21299-1-cfontana@suse.de> <20210323154639.23477-40-cfontana@suse.de> From: Claudio Fontana Message-ID: Date: Thu, 25 Mar 2021 22:56:53 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=195.135.220.15; envelope-from=cfontana@suse.de; helo=mx2.suse.de X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=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: Paolo Bonzini , Roman Bolshakov , qemu-devel@nongnu.org, Eduardo Habkost Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 3/25/21 8:03 PM, Richard Henderson wrote: > On 3/23/21 9:46 AM, Claudio Fontana wrote: >> +#define is_a64(env) (false) > ... >> +#define arm_el_is_aa64(env, el) (false) > > Why a define and not have the ifdef inside the static inline? > > This define is causing you to make other random changes to avoid unused > variables, and I'm not keen. > > If you're running into problems with --enable-debug not eliminating code > blocks, leading to link errors, then I think that > __attribute__((always_inline)) and a comment will be the best option. right, I need to make this guaranteed to cause code elision, so that I can avoid including unneeded function definitions for aarch64 in arm builds. > > >> + >> +#endif /* TARGET_AARCH64 */ >> + >> +/** >> + * arm_hcr_el2_eff(): Return the effective value of HCR_EL2. >> + * E.g. when in secure state, fields in HCR_EL2 are suppressed, >> + * "for all purposes other than a direct read or write access of HCR_EL2." >> + * Not included here is HCR_RW. >> + */ >> +uint64_t arm_hcr_el2_eff(CPUARMState *env); > > Is this diff being weird or did you really move this declaration, and if so, why? > > > r~ >