From patchwork Sat Jan 25 16:05:31 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13950414 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 D00A9C0218C for ; Sat, 25 Jan 2025 16:08:46 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tbifo-0004IQ-UV; Sat, 25 Jan 2025 11:06:16 -0500 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 1tbifm-0004I7-F4 for qemu-devel@nongnu.org; Sat, 25 Jan 2025 11:06:14 -0500 Received: from mail-wm1-x333.google.com ([2a00:1450:4864:20::333]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tbifk-0000c1-SW for qemu-devel@nongnu.org; Sat, 25 Jan 2025 11:06:14 -0500 Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-4361b0ec57aso32235675e9.0 for ; Sat, 25 Jan 2025 08:06:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1737821170; x=1738425970; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=1YoTq/Kw8BFNJbd5udCtM6rehNhaZvqVSckhQj9fm84=; b=wMDHUySxNc/jdwJQSdsfaazG08wfO4dBlH28e33m/Q24uh2ySJGVL/Es3a8/zxfHl+ sOYAtY70BgYCz8vcozlI7KUpnnds7LKaYEqbiC02ljK0lil80ugJpcIdqT5ptdvUmWvU VQNhntcKi/J2yNIvEYLvUOzEIx1ovMp+9Ct8N9FANJjgGXtquv/yb9DZUURNa1T/sHVp A3URdZbAE3tqYMBkc0RT9ZNrI1zvBUp/Xnq5sLn5KUTGa3ePDkQYzy5qdBMJGXnNosve K7F98VDqIW+K3OYYXJqmrMpdMttN/o3Za/1dgefoKDcOdgXJXDnsOJlww+iVAbQCNjds yAiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1737821170; x=1738425970; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1YoTq/Kw8BFNJbd5udCtM6rehNhaZvqVSckhQj9fm84=; b=Rpeu9mkxxcED5jGQaKCY1GT39neITJANujSKy4yI6BkBst+FVFLkSZ0qdaON+yzQmH +nrR3smrLauqDla26LvL9UQlB843goeQhDddjEeRGh7oSbWIO0+5PdvGZFCizjzz8ywP ZW8Z1ZfVJ7Wz66Q77wdN3wJbpzP0QP4b76AOqo8J12RD8+uRjsfvPNap3z+v8Y5ThWnq NIA8jsX+YYkdbaH7qFZWDlL1pKfoTA7SMaIEjgQaiET9l5jeT2PCkAEL1XdZDsz8+O6w SuYuZrMsjeC9QibSuMc5WSAVdfy76rV0opIxOXa3stjKxU1StVH/o2PuJq/ppJdv8NXy msiw== X-Gm-Message-State: AOJu0YxcnWpuUg3KqM9hVu+dsMbrGVwGCsp4KAGAOJeKBFtYh9QCzGap dIcfKcRpSWBJeguLNpojrRaZr0mTOIsKykwYQZdutZcC6MOhY0ulz3HZoWgZY2scDFEpK7KVNep EYT4= X-Gm-Gg: ASbGnctshzzWMakCGWEnlLLIkxRizZmLPBZ8nutWvIzBZspx3QQFiAa3VsD+vIEvgVH kdLmJbqe9eSTGidFDgKxscRS/MdHPgUAbWgjb05UUTfOz96EUmuvmSzo5skxzKL7Z9U9vYGts62 NZDLubseSfdBae+nPasxZExShzos5IWHT4y25bbfT0GGwZmatm10hXxF0KlBNFtObhrWddB6/rE XM+q73z+saxDBAv87CpTcPGchDTKkpqPTTIbfS4DhYtqoH4N45Ji6aloiXAuv9fJU140ONtLxyN 1iEHF083ic2VtIaLxqV3LzGiwnOQitI6+f0RSaSE9s+AAvByD7wn07mqXPGd X-Google-Smtp-Source: AGHT+IFq7hqygNk4iEUDU8X67GVCsaQ4kRPaRr3yMIVEjjtDJXqKhU3bVpcjZV7Lan+5bsV8KmeHcA== X-Received: by 2002:a05:600c:3acd:b0:438:c18c:5ad8 with SMTP id 5b1f17b1804b1-438c18c5b00mr44668995e9.31.1737821170008; Sat, 25 Jan 2025 08:06:10 -0800 (PST) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. [88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-438bd54c0ecsm66090525e9.30.2025.01.25.08.06.08 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sat, 25 Jan 2025 08:06:08 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Richard Henderson , =?utf-8?q?Philippe_Mat?= =?utf-8?q?hieu-Daud=C3=A9?= Subject: [PATCH v2 03/24] cpus: Introduce SysemuCPUOps::has_work() handler Date: Sat, 25 Jan 2025 17:05:31 +0100 Message-ID: <20250125160552.20546-4-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250125160552.20546-1-philmd@linaro.org> References: <20250125160552.20546-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::333; envelope-from=philmd@linaro.org; helo=mail-wm1-x333.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, T_SCC_BODY_TEXT_LINE=-0.01 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 SysemuCPUOps::has_work() is similar to CPUClass::has_work(), but only exposed on system emulation. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- include/hw/core/sysemu-cpu-ops.h | 4 ++++ include/hw/core/tcg-cpu-ops.h | 2 +- hw/core/cpu-system.c | 4 ++++ 3 files changed, 9 insertions(+), 1 deletion(-) diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h index 0df5b058f50..dee8a62ca98 100644 --- a/include/hw/core/sysemu-cpu-ops.h +++ b/include/hw/core/sysemu-cpu-ops.h @@ -16,6 +16,10 @@ * struct SysemuCPUOps: System operations specific to a CPU class */ typedef struct SysemuCPUOps { + /** + * @has_work: Callback for checking if there is work to do. + */ + bool (*has_work)(CPUState *cpu); /** * @get_memory_mapping: Callback for obtaining the memory mappings. */ diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h index 2e3f1690f12..f60e5303f21 100644 --- a/include/hw/core/tcg-cpu-ops.h +++ b/include/hw/core/tcg-cpu-ops.h @@ -141,7 +141,7 @@ struct TCGCPUOps { * * This method must be provided. If the target does not need to * do anything special for halt, the same function used for its - * CPUClass::has_work method can be used here, as they have the + * SysemuCPUOps::has_work method can be used here, as they have the * same function signature. */ bool (*cpu_exec_halt)(CPUState *cpu); diff --git a/hw/core/cpu-system.c b/hw/core/cpu-system.c index 16d5efee12d..7b16bda2250 100644 --- a/hw/core/cpu-system.c +++ b/hw/core/cpu-system.c @@ -25,6 +25,10 @@ bool cpu_has_work(CPUState *cpu) { + if (cpu->cc->sysemu_ops->has_work) { + return cpu->cc->sysemu_ops->has_work(cpu); + } + g_assert(cpu->cc->has_work); return cpu->cc->has_work(cpu); }