From nobody Tue Apr 15 10:54:04 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1622074169; cv=none; d=zohomail.com; s=zohoarc; b=TbzxoxgNBCtCJbtg8UsstWkcbj50yj1TLbfe1erAnHKi4i5T3nZoZ5NvKnURGE4ep5MoBJ38y3OROOakkT1UrCN3olUb7jwkXOh1ZAt1xl7+mYYNr5Q9Iq6+y7kEZz3aVxtEcDeIElM90lNOGZ44QfnDOJ+Yt6JYzSEkLp3XjyY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1622074169; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=S7KbakECIlRBEW9AV5a5Z5Z05otVIbkvglZTbFFM7hc=; b=TFDDh8X6kJp0sZxHByTRU/KWteaxKNcsKT6hD6S+AMUMrN4GrtcMxlcFmY1ppXc49+/kP5DcDNdv+Nj5l/T6vEAkIjwBabS9DqTSANfHBs00DXWk4LUvanx3hL0XHLFbuJV//m2G+WNtGNUzdUPMdfauZ8XFGTXgSIs9ePG6tx8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1622074169834688.6398942320873; Wed, 26 May 2021 17:09:29 -0700 (PDT) Received: from localhost ([::1]:51212 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lm3aa-0007kA-FT for importer@patchew.org; Wed, 26 May 2021 20:09:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34840) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lm3FM-0005eV-9a for qemu-devel@nongnu.org; Wed, 26 May 2021 19:47:32 -0400 Received: from mail-pl1-x62a.google.com ([2607:f8b0:4864:20::62a]:34697) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lm3FG-0004VR-AJ for qemu-devel@nongnu.org; Wed, 26 May 2021 19:47:31 -0400 Received: by mail-pl1-x62a.google.com with SMTP id e15so1431086plh.1 for ; Wed, 26 May 2021 16:47:25 -0700 (PDT) Received: from localhost.localdomain (174-21-70-228.tukw.qwest.net. [174.21.70.228]) by smtp.gmail.com with ESMTPSA id g13sm285355pfi.18.2021.05.26.16.47.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 May 2021 16:47:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=S7KbakECIlRBEW9AV5a5Z5Z05otVIbkvglZTbFFM7hc=; b=ux3ZngikvLAmLJ62fYLZsH9M4yHr/TSE6iQmGrTQu3W0bQpPqx0vB9kpiXrcxrnNXH ibgpX0JsTdPGvgNbIfBCX92ZF5RETfpN3XjAy8qw8J4J3fS1VB2GGAFEO/i1m6y27V9X VXXp10V6Y57xRawoDvsv7hacZ9u7Bv52wiZ7bsDeHOF6FIpC9LY8Urb7w4J3Lx5fZP/0 uHvFmlHNunLiv+QCYrq7Vj8oOVUlZVeFH7AxsHPz9aAD48mD4yFPOvukvPQWfYZNu9v7 LgJEpS8/PCVHNK3kBtKnXw8UA64719CC+moNf7GcUkKbSZlBCLPWTQzp+ygfxowin8bO aB8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=S7KbakECIlRBEW9AV5a5Z5Z05otVIbkvglZTbFFM7hc=; b=t+2J8ASLOlX7XXNvlTbqjSMT/uiqyOUl451fiBIUeu4ezBHGsBg8V+WSMe1qH/5xnf 42WHHc78VyhyMGQfKR1Tjni4V0RqmmVgSaqV/wAS+V9LmpO+RUk4evBympJ1EgiRrBX8 thgApZf27kp/inVbtI3jAC0FR1AdjRwVxB2Dp7NQsJIMocendxwkY8KWoQnO9JXbZlxE 6/bvDcIrEutRoOEzVbIrA+A6qVAczI/6o29kdzs3D2/jK80j3/WXOTqVsLKXZ+4z25Vo 4a9Bc81W8vK9gdql/Fipa1sPqZsSzEzRqhK32rUWawyeYJXawToCrO2MzHB3Y7RTsBk2 +CdA== X-Gm-Message-State: AOAM532yu7Ui/fkK4G/qU8EwTtUTA+1RJMqpD+kNpE2BY4pHVKZ4Jf3H U+gQ6l/T5dx5bwTc31iR1RoPIMdLfrMDIQ== X-Google-Smtp-Source: ABdhPJw7EyJ5p+6VLlqyoT+dFG92m+1oEq7lIfgNAEdgdtgOZ8E4z3SOnfDhVktlHXGj8kB1FNvSNQ== X-Received: by 2002:a17:90a:1150:: with SMTP id d16mr700234pje.180.1622072844283; Wed, 26 May 2021 16:47:24 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 14/31] cpu: Introduce cpu_virtio_is_big_endian() Date: Wed, 26 May 2021 16:46:53 -0700 Message-Id: <20210526234710.125396-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210526234710.125396-1-richard.henderson@linaro.org> References: <20210526234710.125396-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62a; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62a.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: peter.maydell@linaro.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) From: Philippe Mathieu-Daud=C3=A9 Introduce the cpu_virtio_is_big_endian() generic helper to avoid calling CPUClass internal virtio_is_big_endian() one. Similarly to commit bf7663c4bd8 ("cpu: introduce CPUClass::virtio_is_big_endian()"), we keep 'virtio' in the method name to hint this handler shouldn't be called anywhere but from the virtio code. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-Id: <20210517105140.1062037-8-f4bug@amsat.org> Signed-off-by: Richard Henderson --- include/hw/core/cpu.h | 9 +++++++++ hw/core/cpu-common.c | 6 ------ hw/core/cpu-sysemu.c | 10 ++++++++++ hw/virtio/virtio.c | 4 +--- 4 files changed, 20 insertions(+), 9 deletions(-) diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index df49528785..d96ff4dace 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -610,6 +610,15 @@ hwaddr cpu_get_phys_page_debug(CPUState *cpu, vaddr ad= dr); */ int cpu_asidx_from_attrs(CPUState *cpu, MemTxAttrs attrs); =20 +/** + * cpu_virtio_is_big_endian: + * @cpu: CPU + + * Returns %true if a CPU which supports runtime configurable endianness + * is currently big-endian. + */ +bool cpu_virtio_is_big_endian(CPUState *cpu); + #endif /* CONFIG_USER_ONLY */ =20 /** diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c index ddddf4b10e..9d73c9a28c 100644 --- a/hw/core/cpu-common.c +++ b/hw/core/cpu-common.c @@ -185,11 +185,6 @@ static int cpu_common_gdb_write_register(CPUState *cpu= , uint8_t *buf, int reg) return 0; } =20 -static bool cpu_common_virtio_is_big_endian(CPUState *cpu) -{ - return target_words_bigendian(); -} - void cpu_dump_state(CPUState *cpu, FILE *f, int flags) { CPUClass *cc =3D CPU_GET_CLASS(cpu); @@ -388,7 +383,6 @@ static void cpu_class_init(ObjectClass *klass, void *da= ta) k->write_elf64_note =3D cpu_common_write_elf64_note; k->gdb_read_register =3D cpu_common_gdb_read_register; k->gdb_write_register =3D cpu_common_gdb_write_register; - k->virtio_is_big_endian =3D cpu_common_virtio_is_big_endian; set_bit(DEVICE_CATEGORY_CPU, dc->categories); dc->realize =3D cpu_common_realizefn; dc->unrealize =3D cpu_common_unrealizefn; diff --git a/hw/core/cpu-sysemu.c b/hw/core/cpu-sysemu.c index fe90dde868..078e1a84a5 100644 --- a/hw/core/cpu-sysemu.c +++ b/hw/core/cpu-sysemu.c @@ -54,6 +54,16 @@ int cpu_asidx_from_attrs(CPUState *cpu, MemTxAttrs attrs) return ret; } =20 +bool cpu_virtio_is_big_endian(CPUState *cpu) +{ + CPUClass *cc =3D CPU_GET_CLASS(cpu); + + if (cc->virtio_is_big_endian) { + return cc->virtio_is_big_endian(cpu); + } + return target_words_bigendian(); +} + GuestPanicInformation *cpu_get_crash_info(CPUState *cpu) { CPUClass *cc =3D CPU_GET_CLASS(cpu); diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index e02544b2df..ab516ac614 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -1972,9 +1972,7 @@ static enum virtio_device_endian virtio_default_endia= n(void) =20 static enum virtio_device_endian virtio_current_cpu_endian(void) { - CPUClass *cc =3D CPU_GET_CLASS(current_cpu); - - if (cc->virtio_is_big_endian(current_cpu)) { + if (cpu_virtio_is_big_endian(current_cpu)) { return VIRTIO_DEVICE_ENDIAN_BIG; } else { return VIRTIO_DEVICE_ENDIAN_LITTLE; --=20 2.25.1