From patchwork Fri Sep 1 02:23:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 1828598 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=J0rDxM6j; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RcMNF5jkJz1ygM for ; Fri, 1 Sep 2023 12:26:21 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qbtpd-0007Zv-6Y; Thu, 31 Aug 2023 22:24:21 -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 1qbtpZ-0007Ah-Ja for qemu-devel@nongnu.org; Thu, 31 Aug 2023 22:24:17 -0400 Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qbtpI-0001Sl-UG for qemu-devel@nongnu.org; Thu, 31 Aug 2023 22:24:11 -0400 Received: by mail-pf1-x434.google.com with SMTP id d2e1a72fcca58-68a41035828so1182381b3a.1 for ; Thu, 31 Aug 2023 19:23:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1693535034; x=1694139834; 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=g3/iatjXff6UUdz2cl7k/bF/yMUs8bwvdLM3Z+AtKOI=; b=J0rDxM6jGBYmkHZSIlGa37+7nlBgHAI2+laizxvHJqxkj8QIQSOo7pz2QOzv+ZVWYE 63mX8dzYjCtklPCYzbDlkiZqj9Z5B52Q1WCWXFyFFJ5KxA/ARDDjYuzG4XkueUP+qiRb fkl/lpGQXLP1n8sl1s6wWRYW4V5ojpRrZzLAoCz6V27w93L1Yn7KT/GuNhPfTooSU+h1 IYSCE+It6R/7g8lcaQH4N6TccRkEYKmDoULj297bQvwH1/rlx7fcDQBSJpeU6WQA/QO3 n4FeHIAgAPcaWT9OoXPXGwNbn6O38IVwVUFp0iiVUXGuniT8Zx/hY9cvL2lHUk0yeIoW HDGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693535034; x=1694139834; 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=g3/iatjXff6UUdz2cl7k/bF/yMUs8bwvdLM3Z+AtKOI=; b=HwiXVJRzxoNJZRiguGh1PIgumInCfCA8Uq0TA6a2QnMSZE1GkyCzmdFy7pM3d6YHh1 HQN2W1dDGMXP7ZYH9pu0kFXgIuIIJA+A0W8M8Qy64/qRxOiNd2WWjn2Wpz4/YtXKrQqP 7ozh46F8uSGbAfJJoByUt8yveSqIksX6TmcNZhiJUiBItvV/vUxEodr8lGx3olmMj2Xz tSkzaCSgxeL5jEKmR+6weEpQ3AYxj8CyYKeVNMOoN4S1EmcV+xMIaux5aGhdAQ0AJ/i2 CAxOK5YVv35ygtK3qjjPtmgYENPjK7856IcwX+Q8exdDt3BVP6H/4prfAEdf2FzBA4hF r4+w== X-Gm-Message-State: AOJu0YxWcnOP0psaGClQhtDP7kICzeQ8OMvPkA7DYWY4VW2tlTcMVaT7 6QhTFaBI0TP2CpG78S/ZXFKqJlFziH2lBT2/RhU= X-Google-Smtp-Source: AGHT+IFV4PTpbDQ1XidVdKjc7jBwvSMVKrCtABdezjhFl2ncYvuUl8OIXKh33RpxEEW2wl7wgM5sKw== X-Received: by 2002:a05:6a20:f39f:b0:14c:5f8:fb3e with SMTP id qr31-20020a056a20f39f00b0014c05f8fb3emr1444053pzb.38.1693535034680; Thu, 31 Aug 2023 19:23:54 -0700 (PDT) Received: from stoup.. ([71.212.131.115]) by smtp.gmail.com with ESMTPSA id c25-20020aa781d9000000b0068a54866ca8sm1906977pfn.134.2023.08.31.19.23.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Aug 2023 19:23:54 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: laurent@vivier.eu, alex.bennee@linaro.org, Warner Losh , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH v2 27/33] cpu: Remove page_size_init Date: Thu, 31 Aug 2023 19:23:25 -0700 Message-Id: <20230901022331.115247-28-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230901022331.115247-1-richard.henderson@linaro.org> References: <20230901022331.115247-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::434; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x434.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Move qemu_host_page_{size,mask} and HOST_PAGE_ALIGN into bsd-user. It should be removed from bsd-user as well, but defer that cleanup. Cc: Warner Losh Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson Reviewed-by: Warner Losh --- bsd-user/qemu.h | 7 +++++++ include/exec/cpu-common.h | 7 ------- include/hw/core/cpu.h | 2 -- accel/tcg/translate-all.c | 1 - bsd-user/main.c | 12 ++++++++++++ cpu.c | 13 ------------- softmmu/vl.c | 1 - 7 files changed, 19 insertions(+), 24 deletions(-) diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h index d3158bc2ed..c53f06d3f6 100644 --- a/bsd-user/qemu.h +++ b/bsd-user/qemu.h @@ -39,6 +39,13 @@ extern char **environ; #include "qemu/clang-tsa.h" #include "qemu-os.h" +/* + * TODO: Remove these and rely only on qemu_real_host_page_size(). + */ +extern uintptr_t qemu_host_page_size; +extern intptr_t qemu_host_page_mask; +#define HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_host_page_size) + /* * This struct is used to hold certain information about the image. Basically, * it replicates in user space what would be certain task_struct fields in the diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index 41788c0bdd..46b0abc918 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -22,13 +22,6 @@ typedef uint64_t vaddr; void cpu_exec_init_all(void); void cpu_exec_step_atomic(CPUState *cpu); -/* Using intptr_t ensures that qemu_*_page_mask is sign-extended even - * when intptr_t is 32-bit and we are aligning a long long. - */ -extern uintptr_t qemu_host_page_size; -extern intptr_t qemu_host_page_mask; - -#define HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_host_page_size) #define REAL_HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_real_host_page_size()) /* The CPU list lock nests outside page_(un)lock or mmap_(un)lock */ diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index fdcbe87352..66575eec73 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -1025,8 +1025,6 @@ bool target_words_bigendian(void); const char *target_name(void); -void page_size_init(void); - #ifdef NEED_CPU_H #ifndef CONFIG_USER_ONLY diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index b2d4e22c17..d84558dd95 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -255,7 +255,6 @@ bool cpu_unwind_state_data(CPUState *cpu, uintptr_t host_pc, uint64_t *data) void page_init(void) { - page_size_init(); page_table_config_init(); } diff --git a/bsd-user/main.c b/bsd-user/main.c index f227d87834..ab389aa938 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -49,6 +49,13 @@ #include "host-os.h" #include "target_arch_cpu.h" + +/* + * TODO: Remove these and rely only on qemu_real_host_page_size(). + */ +uintptr_t qemu_host_page_size; +intptr_t qemu_host_page_mask; + static bool opt_one_insn_per_tb; uintptr_t guest_base; bool have_guest_base; @@ -308,6 +315,9 @@ int main(int argc, char **argv) (void) envlist_setenv(envlist, *wrk); } + qemu_host_page_size = getpagesize(); + qemu_host_page_size = MAX(qemu_host_page_size, TARGET_PAGE_SIZE); + cpu_model = NULL; qemu_add_opts(&qemu_trace_opts); @@ -408,6 +418,8 @@ int main(int argc, char **argv) } } + qemu_host_page_mask = -qemu_host_page_size; + /* init debug */ { int mask = 0; diff --git a/cpu.c b/cpu.c index 1c948d1161..743c889ece 100644 --- a/cpu.c +++ b/cpu.c @@ -431,16 +431,3 @@ const char *target_name(void) { return TARGET_NAME; } - -void page_size_init(void) -{ - /* NOTE: we can always suppose that qemu_host_page_size >= - TARGET_PAGE_SIZE */ - if (qemu_host_page_size == 0) { - qemu_host_page_size = qemu_real_host_page_size(); - } - if (qemu_host_page_size < TARGET_PAGE_SIZE) { - qemu_host_page_size = TARGET_PAGE_SIZE; - } - qemu_host_page_mask = -(intptr_t)qemu_host_page_size; -} diff --git a/softmmu/vl.c b/softmmu/vl.c index b0b96f67fa..bc2aab9aaa 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -2049,7 +2049,6 @@ static void qemu_create_machine(QDict *qdict) } cpu_exec_init_all(); - page_size_init(); if (machine_class->hw_version) { qemu_set_hw_version(machine_class->hw_version);