From nobody Tue Feb 10 04:17:25 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=1613390325; cv=none; d=zohomail.com; s=zohoarc; b=Z067vUGV9lYBcngZdZDZ8HuGBs7D8gebu5JlhI5qbRTiTVFp9cal9peTJ1F8/IVOqN0he9MIYlCcUns9juUa1M6Mm8BC4Ch3REcwDt61eOT57O+Ku4LTbuSk+bGuLIV+aqWzOGTtYORGgYFE5WSkeWFb9Y0SJVcRw+6xwH9X9Uo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1613390325; h=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=Q4947nZDfKCY91YN+GzWW3j1l05CAmRJnmXZQOGt5go=; b=Zym7BNAtOGj7qv6PmJQBRQVsGrCMHTpvholnbLhzR3QJLvl82elSD4kdh9q1GAvO0EhLaTGnpi5srTaThj0wAD3tspKBBRS3fZln7jbCU6sx1ZfgjitoAaUSTiaIEV0cw66aYHB5Z6FFoO2SDKR6jscC7PJx8sKdJyINSNrKWjg= 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 1613390324677154.97088757383688; Mon, 15 Feb 2021 03:58:44 -0800 (PST) Received: from localhost ([::1]:53432 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lBcWZ-0007mm-Ew for importer@patchew.org; Mon, 15 Feb 2021 06:58:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39694) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lBcQx-0000Fp-Mt for qemu-devel@nongnu.org; Mon, 15 Feb 2021 06:52:56 -0500 Received: from mail-wr1-x435.google.com ([2a00:1450:4864:20::435]:38213) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lBcQu-0004DP-Qf for qemu-devel@nongnu.org; Mon, 15 Feb 2021 06:52:55 -0500 Received: by mail-wr1-x435.google.com with SMTP id b3so8510669wrj.5 for ; Mon, 15 Feb 2021 03:52:52 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id l83sm25574812wmf.4.2021.02.15.03.52.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Feb 2021 03:52:51 -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=Q4947nZDfKCY91YN+GzWW3j1l05CAmRJnmXZQOGt5go=; b=lWGzjOTMyq/LBWnPpM9Je6oed0XfNy3ZsyZwO+WB9FL5FHkz0zjJqv8oNNve8X238m gEe1nMDaAR+fVT2+TzJV2j9AVjU2JSLRMYSkttxcWjOpHhaRNsavA4dJh/Qt/ryDe33+ Hyj2M8lgDmOVe1BnAFY2mjzQ25dJSp9PD2Jq+xq2s/4D0FIKdbQxq0maNTZtA6/La30y oBAf+J48zUqprPcXIZxETQ9ALzd2LQnEuIpXPqZNR/vT1lky1mMXoglWDFjpWKPd1nlH 3/LiH6I6msK//bl8QvrP3ZL4fHdlmNTYNQWoUW5aGR4u0+3ccc1tSAhpIjUxJwpfuFZ5 q0Mg== 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=Q4947nZDfKCY91YN+GzWW3j1l05CAmRJnmXZQOGt5go=; b=bkqPYfl6sZQ3EUSo3APLFgtyuQnn1GOGVjytaQ3dk4uqovsyUATGPMk0j/I0g3Au66 aOP6l1KgZRUvAua8gmldmF5dyANSqicVcuwI/1/saOpU0L9KOyAxxV5UJAyEGo/T2kqr DqbdPy7LepjaG1KaxrAnQonO3GOzCg5G6inj9Wqj4y8ve6cTqigp6DC3F5EuauKNxjfI J7tjSCQv+Gb3xQ98V5u4KCzSu6G+bA+xXFQ6b0vQ7u3eD0QIxAkIyW9JAHPqQxwscNQ9 60rSXY9kQ7GfFl3lXjAwsNRD1ItejWHEDtBa0kgqZwuiYOdtPArZyP5LnTujV29XhpfD /2yg== X-Gm-Message-State: AOAM531CP9cO/RI8d83dqy9edQD0NKVV/aLC/4zFKTudiVLVlobqzWWp 761ly4tbM83m37sdNuFyAWJzsQ== X-Google-Smtp-Source: ABdhPJyKbkpm1DU19Sl+ablDj/RM53U1K3abSO1xJkSkZxgTOtUZTZquI+W6yMXXP9XvQ27jv9/cPA== X-Received: by 2002:adf:fb49:: with SMTP id c9mr18704484wrs.72.1613389971566; Mon, 15 Feb 2021 03:52:51 -0800 (PST) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 18/24] hw/arm/mps2-tz: Support ROMs as well as RAMs Date: Mon, 15 Feb 2021 11:51:32 +0000 Message-Id: <20210215115138.20465-19-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210215115138.20465-1-peter.maydell@linaro.org> References: <20210215115138.20465-1-peter.maydell@linaro.org> MIME-Version: 1.0 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::435; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x435.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=unavailable 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: =?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) Content-Type: text/plain; charset="utf-8" The AN505 and AN521 don't have any read-only memory, but the AN524 does; add a flag to ROMInfo to mark a region as ROM. Signed-off-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- hw/arm/mps2-tz.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c index 08dd2cbaa40..cc9d70ece54 100644 --- a/hw/arm/mps2-tz.c +++ b/hw/arm/mps2-tz.c @@ -92,8 +92,10 @@ typedef struct RAMInfo { * Flag values: * IS_ALIAS: this RAM area is an alias to the upstream end of the * MPC specified by its .mpc value + * IS_ROM: this RAM area is read-only */ #define IS_ALIAS 1 +#define IS_ROM 2 =20 struct MPS2TZMachineClass { MachineClass parent; @@ -209,6 +211,7 @@ static MemoryRegion *mr_for_raminfo(MPS2TZMachineState = *mms, if (raminfo->mrindex < 0) { /* Means this RAMInfo is for QEMU's "system memory" */ MachineState *machine =3D MACHINE(mms); + assert(!(raminfo->flags & IS_ROM)); return machine->ram; } =20 @@ -217,6 +220,9 @@ static MemoryRegion *mr_for_raminfo(MPS2TZMachineState = *mms, =20 memory_region_init_ram(ram, NULL, raminfo->name, raminfo->size, &error_fatal); + if (raminfo->flags & IS_ROM) { + memory_region_set_readonly(ram, true); + } return ram; } =20 --=20 2.20.1