From nobody Sun Apr 12 07:20:24 2026 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=1771007284; cv=none; d=zohomail.com; s=zohoarc; b=emQSW73x41SR0DKf+w7jU2VBULP3hRyx3k+RC+0zJQ6Zg3H6Qdo4P/YbSAkOJYEthYwXwYTdoRz4tw8tZsJN5T3IRxe81uzH82jfZcUiV8A2uKpTr843GJiBOrLXS4BrYE/O7Ge5qYENw3q1QiA+yiAPAuXj+MTe5YbDTp/qKmQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1771007284; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=77qp8FLiJwBN5TF68fSF77CWuEI2EM/pcGaKg31STP8=; b=SpR/3HUwt7DDgOCQBppalRuz1nVnDCLLRhY8vElqV8YyUSyPNOUd+/rfMWXUzZaXzHnRwY35Dwi8hibsRUaTRt0lEeI8jBjrtahjkUxOCw7fccP3bJ1ionzGovAWC1xmpfcFrv/ynaX4qbwyNHVqXRq8BCtP/ZdB+mraY5ZRK2c= 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) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1771007284348229.00495426163843; Fri, 13 Feb 2026 10:28:04 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vqxt6-0007Cs-4h; Fri, 13 Feb 2026 13:27:33 -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 1vqxt2-0007Ca-5v for qemu-devel@nongnu.org; Fri, 13 Feb 2026 13:27:28 -0500 Received: from mail-wm1-x331.google.com ([2a00:1450:4864:20::331]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vqxt0-00061w-Az for qemu-devel@nongnu.org; Fri, 13 Feb 2026 13:27:27 -0500 Received: by mail-wm1-x331.google.com with SMTP id 5b1f17b1804b1-48069a48629so11263565e9.0 for ; Fri, 13 Feb 2026 10:27:24 -0800 (PST) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. [88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48370a53c51sm22991145e9.6.2026.02.13.10.27.21 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 13 Feb 2026 10:27:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1771007242; x=1771612042; 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=77qp8FLiJwBN5TF68fSF77CWuEI2EM/pcGaKg31STP8=; b=S/xx7x+E4deaRLuPLQINzTCP7nez7THKOohO1EgwTyA3MA+o90AWZo6qeIODT6zh6n u2roywvLV53JD56qUhbDJR4/vXK1kuRkIET2pY2J+Vn5Elm3Gwsmby4TUBi5GMyh61F1 ZQNWLEHv2wMoOAam4qVrfnn7ZGU1veVUILJRC+xH5g3E1UsCFbTJKmFJ0rsMJSNG0BFY +Yyj/Ka8O/Awrj4rMUrehvw8s5v6P4Fw7re74pn/207Q1I+We1G39nxgrOAlbiX2giFM UymGeNJwf5LOk3NVq8KScAcmRD5d/fr1YSQeP4zaZne7tHXKAgOAlqSb/YV2MJZRUjnZ qvzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771007242; x=1771612042; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=77qp8FLiJwBN5TF68fSF77CWuEI2EM/pcGaKg31STP8=; b=AlJTP2VvBIgF/vwcYo3j+uo2fpkAUBl/MOW8nWWYre2/4K9FBxwzB7S1raY/Nm/ibo Zfpj8ZYeWYi/D8ZF9niYPDtVj66BUl5+7E3pqihiDfwm9yKCTTa6dPjzfzHBJi3RpGa2 Jh2Gm8lGOxcIbM9xqZDyhumHalxqEhQlI0rfCWvZwed64vZzKdhabSiF8fVjG2a/uZ5k l/hOKQcDZsjhw3mCRp2kAlXhuoQpSC1H6YrFJlLKjM2wCikQOHF1bLoFefUkYd0b0thx phccRF8VaOp4KU9WhknvKZ5sxLgWbUncbx3iDkI/IlQF7O93FbHwZJhCp2P8H8y8TxXM zQ6A== X-Gm-Message-State: AOJu0YxXAFvtODTlTGBRVnxf8/RvuwLZA8fF6aD7/na+Kca5hmEsmqs5 JQCTZTf+/yqYSTwO5UaHzkDJ3tOW1pdNaL/sYIQioBoKgM4+Zuy79P/+LoDcYOxGhJrfaWR7peH QIRXNBvQ= X-Gm-Gg: AZuq6aL0qBf4ZET1J8ANOujWb9IsSCYXb6D96XyFwTTAZe0ifVgCw95T/keHa6jKEKv XqT24P1bmPpvma2a83CHTh2b3YjCQ1owFzpQ1YIRYk4kgjDsQKSw5KRPCb9VUIQnTtn+GB7/jfJ yivjWBb6FMzdjQ/nY4YyL9zQlBHd43/PCWhscCt11E7nn70f21cGg59bXhBsw9K7Vtvf6M1hji6 Ls405khqotTH0YWG3cJ0tuFoTjLYhjTB4oxquqeOgVySdKCibvl5FGbh5lNBEJInOeAqnd8N9GO 9Q29FFa7rU0zLz2WNYPj1CeeAPf/bhm2fsUJmaNNizBxs5kSR/NQRri+4wyN3f1wBD25AtSmRae MRMYmwNUnUTb8tlAOLaaAN3xhuiV6GsKtMvJmuC1IS0RJmOET8t84o4IEpIMazO2+5PmOxkQldI VE1AFQbkEN1y0OY0FWr5L1GpAQgvxqJ2YXMghits5Y7KR1dDx2KPIGP/JCY9yrG5BGHjGAMVs3 X-Received: by 2002:a05:600c:6808:b0:483:2c98:4368 with SMTP id 5b1f17b1804b1-48373a3e755mr46236355e9.18.1771007242394; Fri, 13 Feb 2026 10:27:22 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Richard Henderson , Pierrick Bouvier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini Subject: [PATCH 1/5] qemu/target_info: Add target_page_bits_vary() helper Date: Fri, 13 Feb 2026 19:27:09 +0100 Message-ID: <20260213182713.44924-2-philmd@linaro.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260213182713.44924-1-philmd@linaro.org> References: <20260213182713.44924-1-philmd@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=2a00:1450:4864:20::331; envelope-from=philmd@linaro.org; helo=mail-wm1-x331.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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1771007289665154100 Add a helper returning whether a target support variable page sizes (only ARM targets so far). Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Pierrick Bouvier --- include/qemu/target-info-impl.h | 2 ++ include/qemu/target-info.h | 7 +++++++ configs/targets/aarch64-softmmu.c | 1 + configs/targets/arm-softmmu.c | 1 + target-info-stub.c | 5 +++++ target-info.c | 5 +++++ 6 files changed, 21 insertions(+) diff --git a/include/qemu/target-info-impl.h b/include/qemu/target-info-imp= l.h index e446585bf53..537aad04fa8 100644 --- a/include/qemu/target-info-impl.h +++ b/include/qemu/target-info-impl.h @@ -19,6 +19,8 @@ typedef struct TargetInfo { SysEmuTarget target_arch; /* runtime equivalent of TARGET_LONG_BITS definition */ unsigned long_bits; + /* runtime equivalent of TARGET_PAGE_BITS_VARY definition */ + bool page_bits_vary; /* runtime equivalent of CPU_RESOLVING_TYPE definition */ const char *cpu_type; /* QOM typename machines for this binary must implement */ diff --git a/include/qemu/target-info.h b/include/qemu/target-info.h index e3287334304..0d2269e0401 100644 --- a/include/qemu/target-info.h +++ b/include/qemu/target-info.h @@ -23,6 +23,13 @@ const char *target_name(void); */ unsigned target_long_bits(void); =20 +/** + * target_page_bits_vary: + * + * Returns: whether the target support variable page sizes + */ +bool target_page_bits_vary(void); + /** * target_machine_typename: * diff --git a/configs/targets/aarch64-softmmu.c b/configs/targets/aarch64-so= ftmmu.c index 4e1e2f64da1..f9fb73a41c6 100644 --- a/configs/targets/aarch64-softmmu.c +++ b/configs/targets/aarch64-softmmu.c @@ -15,6 +15,7 @@ static const TargetInfo target_info_aarch64_system =3D { .target_name =3D "aarch64", .target_arch =3D SYS_EMU_TARGET_AARCH64, .long_bits =3D 64, + .page_bits_vary =3D true, .cpu_type =3D TYPE_ARM_CPU, .machine_typename =3D TYPE_TARGET_AARCH64_MACHINE, .endianness =3D ENDIAN_MODE_LITTLE, diff --git a/configs/targets/arm-softmmu.c b/configs/targets/arm-softmmu.c index 9b3fdd2854a..a3bca3c9f0d 100644 --- a/configs/targets/arm-softmmu.c +++ b/configs/targets/arm-softmmu.c @@ -15,6 +15,7 @@ static const TargetInfo target_info_arm_system =3D { .target_name =3D "arm", .target_arch =3D SYS_EMU_TARGET_ARM, .long_bits =3D 32, + .page_bits_vary =3D true, .cpu_type =3D TYPE_ARM_CPU, .machine_typename =3D TYPE_TARGET_ARM_MACHINE, .endianness =3D ENDIAN_MODE_LITTLE, diff --git a/target-info-stub.c b/target-info-stub.c index 65220cc7820..a6a080295f0 100644 --- a/target-info-stub.c +++ b/target-info-stub.c @@ -20,6 +20,11 @@ static const TargetInfo target_info_stub =3D { .target_name =3D TARGET_NAME, .target_arch =3D glue(SYS_EMU_TARGET_, TARGET_ARCH), .long_bits =3D TARGET_LONG_BITS, +#ifdef TARGET_PAGE_BITS_VARY + .page_bits_vary =3D true, +#else + .page_bits_vary =3D false, +#endif .cpu_type =3D CPU_RESOLVING_TYPE, .machine_typename =3D TYPE_MACHINE, .endianness =3D TARGET_BIG_ENDIAN ? ENDIAN_MODE_BIG : ENDIAN_MODE_LITT= LE, diff --git a/target-info.c b/target-info.c index a26532f660f..06bf329de72 100644 --- a/target-info.c +++ b/target-info.c @@ -22,6 +22,11 @@ unsigned target_long_bits(void) return target_info()->long_bits; } =20 +bool target_page_bits_vary(void) +{ + return target_info()->page_bits_vary; +} + SysEmuTarget target_arch(void) { return target_info()->target_arch; --=20 2.52.0