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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 B883FC433DB for ; Fri, 5 Feb 2021 23:19:35 +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 4459464F99 for ; Fri, 5 Feb 2021 23:19:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4459464F99 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:51544 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l8ANy-0005Wj-AA for qemu-devel@archiver.kernel.org; Fri, 05 Feb 2021 18:19:34 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:59606) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8A3B-0002cQ-Bk for qemu-devel@nongnu.org; Fri, 05 Feb 2021 17:58:05 -0500 Received: from mail-pj1-x1033.google.com ([2607:f8b0:4864:20::1033]:55624) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l8A30-0003ZH-BQ for qemu-devel@nongnu.org; Fri, 05 Feb 2021 17:58:04 -0500 Received: by mail-pj1-x1033.google.com with SMTP id s24so4425903pjp.5 for ; Fri, 05 Feb 2021 14:57:52 -0800 (PST) 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=p24OmppzTkk6imjU3BHdTzuVQpvNCrU4ZaFU25HopQk=; b=xtg8lqfw1Trhgjziu5+aQ/gdu/2tZ2IB7qmvfttRHxFJBP2YwzX9eUJxn1jO73vWkw osgufH4FrPT93jCtQr4VluOs6amKO2Wd4hiePKwS/mh2OVZkSkJJKV/+GEPrhdJZoa7L mkuEWN6efC7g/fHuF1C5163uxzEOKSSP78XycR4TNSYWXkdWQAous5q1Gtj+83V3sxOj gs6yZ+pODU472ovhzYmM3t9hgq9OQQReUmvNcaCatVe36WF2V1yHxlgI+F3NsB/IeE70 SueeimrFRafMyVjHO6HzEwHq7BQ8hgyS8RLyqJwz3M53u3K16+awiyMYb3oX63yZuS7P ieYQ== 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=p24OmppzTkk6imjU3BHdTzuVQpvNCrU4ZaFU25HopQk=; b=WfsgKBdUG9XVyujGaB+XwLVwWxXk9GleCVCCoIOG3lUzRcesxrlRqPmZdZ74lwZeeg 4aPULYY70YORmC1mxXSkAf6QPwwAcB/gaV80PEJN0+6G6JxmwoYpjMQFJMSC7ORyzH0A IKgf/tL1uHAs/0F1rvL0NHhzRQ//w8igytfFEjWeTpiC25AkgtfYc+n1BKQi/Dryaqil cXDPCCZnLTH3+fsd8YgKfRsL50HTCmj7yCrRQooJ2AHrTpGU+RCucKcYOi5bpgc5U15F gTGPmkL8BoYyUdgW3g/4axVvblONEvGuvounYJggO/hoUBtvzzise7Peah8iVwq2mj8X DkqA== X-Gm-Message-State: AOAM533oN+I2JEz5pEee8LV+4K/ZKvYpjtNEcAG8Oixo6NpBeCUUBPeh Eq0tbnJEgVztHZE9NznbUbq7d6Pcv3RnxmEt X-Google-Smtp-Source: ABdhPJxQ0pWZQMald5awKwH6GKn+zCBcaVIvEyxwf8ur5YEvhOWwwNNpn4ZfN7dP1vVJjkVBePJ93A== X-Received: by 2002:a17:902:6808:b029:e2:b405:fc0d with SMTP id h8-20020a1709026808b02900e2b405fc0dmr4026457plk.10.1612565871471; Fri, 05 Feb 2021 14:57:51 -0800 (PST) Received: from localhost.localdomain (cpe-66-27-222-29.hawaii.res.rr.com. [66.27.222.29]) by smtp.gmail.com with ESMTPSA id c23sm12155149pgc.72.2021.02.05.14.57.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Feb 2021 14:57:50 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 31/46] accel/tcg: split TCG-only code from cpu_exec_realizefn Date: Fri, 5 Feb 2021 12:56:35 -1000 Message-Id: <20210205225650.1330794-32-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210205225650.1330794-1-richard.henderson@linaro.org> References: <20210205225650.1330794-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1033; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1033.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?Alex=20Benn=C3=A9e?= , Claudio Fontana Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Claudio Fontana move away TCG-only code, make it compile only on TCG. Reviewed-by: Alex Bennée Reviewed-by: Richard Henderson [claudio: moved the prototypes from hw/core/cpu.h to exec/cpu-all.h] Signed-off-by: Claudio Fontana Message-Id: <20210204163931.7358-4-cfontana@suse.de> Signed-off-by: Richard Henderson --- include/exec/cpu-all.h | 11 +++++-- include/hw/core/cpu.h | 2 ++ accel/tcg/cpu-exec.c | 28 +++++++++++++++++ cpu.c | 70 ++++++++++++++++++++---------------------- hw/core/cpu.c | 6 +++- 5 files changed, 77 insertions(+), 40 deletions(-) diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index 4b5408c341..cfb1d79331 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -410,19 +410,26 @@ static inline bool tlb_hit(target_ulong tlb_addr, target_ulong addr) } #ifdef CONFIG_TCG +/* accel/tcg/cpu-exec.c */ void dump_drift_info(void); +/* accel/tcg/translate-all.c */ void dump_exec_info(void); void dump_opcount_info(void); #endif /* CONFIG_TCG */ #endif /* !CONFIG_USER_ONLY */ +#ifdef CONFIG_TCG +/* accel/tcg/cpu-exec.c */ +int cpu_exec(CPUState *cpu); +void tcg_exec_realizefn(CPUState *cpu, Error **errp); +void tcg_exec_unrealizefn(CPUState *cpu); +#endif /* CONFIG_TCG */ + /* Returns: 0 on success, -1 on error */ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr, void *ptr, target_ulong len, bool is_write); -int cpu_exec(CPUState *cpu); - /** * cpu_set_cpustate_pointers(cpu) * @cpu: The cpu object diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 26b89fd7a4..d0b17dcc4c 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -1126,6 +1126,8 @@ AddressSpace *cpu_get_address_space(CPUState *cpu, int asidx); void QEMU_NORETURN cpu_abort(CPUState *cpu, const char *fmt, ...) GCC_FMT_ATTR(2, 3); + +/* $(top_srcdir)/cpu.c */ void cpu_exec_initfn(CPUState *cpu); void cpu_exec_realizefn(CPUState *cpu, Error **errp); void cpu_exec_unrealizefn(CPUState *cpu); diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 6d017e46dd..5628a156d1 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -828,6 +828,34 @@ int cpu_exec(CPUState *cpu) return ret; } +void tcg_exec_realizefn(CPUState *cpu, Error **errp) +{ + static bool tcg_target_initialized; + CPUClass *cc = CPU_GET_CLASS(cpu); + + if (!tcg_target_initialized) { + cc->tcg_ops.initialize(); + tcg_target_initialized = true; + } + tlb_init(cpu); + qemu_plugin_vcpu_init_hook(cpu); + +#ifndef CONFIG_USER_ONLY + tcg_iommu_init_notifier_list(cpu); +#endif /* !CONFIG_USER_ONLY */ +} + +/* undo the initializations in reverse order */ +void tcg_exec_unrealizefn(CPUState *cpu) +{ +#ifndef CONFIG_USER_ONLY + tcg_iommu_free_notifier_list(cpu); +#endif /* !CONFIG_USER_ONLY */ + + qemu_plugin_vcpu_exit_hook(cpu); + tlb_destroy(cpu); +} + #ifndef CONFIG_USER_ONLY void dump_drift_info(void) diff --git a/cpu.c b/cpu.c index 79a2bf12b3..bfbe5a66f9 100644 --- a/cpu.c +++ b/cpu.c @@ -124,12 +124,34 @@ const VMStateDescription vmstate_cpu_common = { }; #endif -void cpu_exec_unrealizefn(CPUState *cpu) +void cpu_exec_realizefn(CPUState *cpu, Error **errp) { CPUClass *cc = CPU_GET_CLASS(cpu); - tlb_destroy(cpu); - cpu_list_remove(cpu); + cpu_list_add(cpu); + +#ifdef CONFIG_TCG + /* NB: errp parameter is unused currently */ + if (tcg_enabled()) { + tcg_exec_realizefn(cpu, errp); + } +#endif /* CONFIG_TCG */ + +#ifdef CONFIG_USER_ONLY + assert(cc->vmsd == NULL); +#else + if (qdev_get_vmsd(DEVICE(cpu)) == NULL) { + vmstate_register(NULL, cpu->cpu_index, &vmstate_cpu_common, cpu); + } + if (cc->vmsd != NULL) { + vmstate_register(NULL, cpu->cpu_index, cc->vmsd, cpu); + } +#endif /* CONFIG_USER_ONLY */ +} + +void cpu_exec_unrealizefn(CPUState *cpu) +{ + CPUClass *cc = CPU_GET_CLASS(cpu); #ifdef CONFIG_USER_ONLY assert(cc->vmsd == NULL); @@ -140,8 +162,15 @@ void cpu_exec_unrealizefn(CPUState *cpu) if (qdev_get_vmsd(DEVICE(cpu)) == NULL) { vmstate_unregister(NULL, &vmstate_cpu_common, cpu); } - tcg_iommu_free_notifier_list(cpu); #endif +#ifdef CONFIG_TCG + /* NB: errp parameter is unused currently */ + if (tcg_enabled()) { + tcg_exec_unrealizefn(cpu); + } +#endif /* CONFIG_TCG */ + + cpu_list_remove(cpu); } void cpu_exec_initfn(CPUState *cpu) @@ -156,39 +185,6 @@ void cpu_exec_initfn(CPUState *cpu) #endif } -void cpu_exec_realizefn(CPUState *cpu, Error **errp) -{ - CPUClass *cc = CPU_GET_CLASS(cpu); -#ifdef CONFIG_TCG - static bool tcg_target_initialized; -#endif /* CONFIG_TCG */ - - cpu_list_add(cpu); - -#ifdef CONFIG_TCG - if (tcg_enabled() && !tcg_target_initialized) { - tcg_target_initialized = true; - cc->tcg_ops.initialize(); - } -#endif /* CONFIG_TCG */ - tlb_init(cpu); - - qemu_plugin_vcpu_init_hook(cpu); - -#ifdef CONFIG_USER_ONLY - assert(cc->vmsd == NULL); -#else /* !CONFIG_USER_ONLY */ - if (qdev_get_vmsd(DEVICE(cpu)) == NULL) { - vmstate_register(NULL, cpu->cpu_index, &vmstate_cpu_common, cpu); - } - if (cc->vmsd != NULL) { - vmstate_register(NULL, cpu->cpu_index, cc->vmsd, cpu); - } - - tcg_iommu_init_notifier_list(cpu); -#endif -} - const char *parse_cpu_option(const char *cpu_option) { ObjectClass *oc; diff --git a/hw/core/cpu.c b/hw/core/cpu.c index 7553411653..57542b6906 100644 --- a/hw/core/cpu.c +++ b/hw/core/cpu.c @@ -199,6 +199,10 @@ static bool cpu_common_virtio_is_big_endian(CPUState *cpu) return target_words_bigendian(); } +/* + * XXX the following #if is always true because this is a common_ss + * module, so target CONFIG_* is never defined. + */ #if !defined(CONFIG_USER_ONLY) GuestPanicInformation *cpu_get_crash_info(CPUState *cpu) { @@ -340,9 +344,9 @@ static void cpu_common_realizefn(DeviceState *dev, Error **errp) static void cpu_common_unrealizefn(DeviceState *dev) { CPUState *cpu = CPU(dev); + /* NOTE: latest generic point before the cpu is fully unrealized */ trace_fini_vcpu(cpu); - qemu_plugin_vcpu_exit_hook(cpu); cpu_exec_unrealizefn(cpu); } -- 2.25.1