From nobody Mon Feb 9 18:45:42 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=1613746593; cv=none; d=zohomail.com; s=zohoarc; b=U9mch+CshEVEJHTqpm3hkofycJQxWsOTjUJYebzgHlInKmCwt+jtrHmeJPh9uMubDfE18TmN/fKFVBfnfs0gIoioGKVQZv5YzeJGzc5KY/WI2GzoddozgAiddQvdjZchJV/Eplm5X3yQ1zAPulV6FIybPanr080cbyhAcBP5NFk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1613746593; h=Content-Transfer-Encoding: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=qKpO3g5I9T89Pw01l2LVIOco0YgBK3pSTlmYgHP1fjA=; b=GcRNMPjzafQk6s85V+wjXspNr537ZTokcMeNQAGlxPOU+UT/sXPnlvJ/Xu89fb80+r4BRvgaooLh+lfWMwkLbysneTgoc81lg7mnlDjy1dqiiRDEj/I6pY7Lw5km6cmJixQUQIKcUCXl884ZE8tN4ZlPbz3DlUl/RZLonbRzAAg= 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 1613746592602706.5884153333632; Fri, 19 Feb 2021 06:56:32 -0800 (PST) Received: from localhost ([::1]:53740 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lD7Cp-0004OD-BY for importer@patchew.org; Fri, 19 Feb 2021 09:56:31 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33808) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lD73S-0002KV-8E for qemu-devel@nongnu.org; Fri, 19 Feb 2021 09:46:50 -0500 Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]:36326) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lD73B-0003Tm-3n for qemu-devel@nongnu.org; Fri, 19 Feb 2021 09:46:49 -0500 Received: by mail-wr1-x431.google.com with SMTP id u14so8897285wri.3 for ; Fri, 19 Feb 2021 06:46:32 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id q18sm2263628wrw.91.2021.02.19.06.46.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Feb 2021 06:46:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=qKpO3g5I9T89Pw01l2LVIOco0YgBK3pSTlmYgHP1fjA=; b=UPc5qbYJ3BncknN1yf8s1CSy4n29Q9AOq7jKpPZkhtQEa0wcGVs2TwlaRiB3pufwTA 0o2N1itB2QAN6w+61DKMcDlU96q+OVKRTMK7SpkUXHdnOtSty+CVEd+PnKvPIPMrtc+6 O1/xIE1YFvg7cjjuUtc2AsTYmuV9WbxqVXXx7nJVn5LjH3gajp6D24TMTGqSHsZQyJjv xj8hqgmLC1z2/RRPMC4HikV4TYJ12kJW/UCCMxc1egdVdOgaxnDkmxLWv0Xgf1UhCs+F IIsKUFQu59FIg2NTD5wph8NAQgupZhy4P+jYuc5CcusMCouTT1fJzq7E4Icdkmx3JZPA Ap5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qKpO3g5I9T89Pw01l2LVIOco0YgBK3pSTlmYgHP1fjA=; b=QvTZnH/TL3FNMbg2Y2duAgQTSHSq0KWaIbftVZaTxHr2bgz6FYhx0fpb6askledo1A Lqp9CfxR8CYSp8dZqm3NGSi3mzSqcmvy5BRUaaWdCQfNRm8Hbccibv1nmJmf1yOMghaO 7oS87CP1umy83hCufql76kKDHwLEgokabDM60t1d4SETgg9BhOV1C/+/EtckQJOFcHX7 QjfHxrLGAxHmtg1wdsGYSVI1w9oQdHP0u2QkG1uq8rXBqCrZiOpcRlvnRq6TRdQD/TP5 yA3T+Hal4Z/zJgbTS8XRF8/fH6M1gFXBse6E1NFs+6mo1JypAcRUGFFs2aEz1B4+18VJ GDNg== X-Gm-Message-State: AOAM531B9FwPFhbaNkZ662LJQYQqrcDyw4wdXkbz7demzDkKafzs6lSc 4KNm+lsUyX6szd0CNLZsWy02gQ== X-Google-Smtp-Source: ABdhPJyvu7riBEgbeotpuQAGeeDW9e6I1433Y4BpYmaa72kFjMR4lTQVxeJ3bnrMd/Wh1X6dzp6ZWg== X-Received: by 2002:a5d:66c5:: with SMTP id k5mr9721886wrw.302.1613745991830; Fri, 19 Feb 2021 06:46:31 -0800 (PST) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 15/44] hw/misc/iotkit-sysctl: Handle INITSVTOR* for SSE-300 Date: Fri, 19 Feb 2021 14:45:48 +0000 Message-Id: <20210219144617.4782-16-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210219144617.4782-1-peter.maydell@linaro.org> References: <20210219144617.4782-1-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::431; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x431.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: , 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 SSE-300 has only one CPU and so no INITSVTOR1. It does have INITSVTOR0, but unlike the SSE-200 this register now has a LOCK bit which can be set to 1 to prevent any further writes to the register. Implement these differences. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- hw/misc/iotkit-sysctl.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/hw/misc/iotkit-sysctl.c b/hw/misc/iotkit-sysctl.c index 54004bebcbf..ab97055f529 100644 --- a/hw/misc/iotkit-sysctl.c +++ b/hw/misc/iotkit-sysctl.c @@ -45,6 +45,7 @@ REG32(SWRESET, 0x108) FIELD(SWRESET, SWRESETREQ, 9, 1) REG32(GRETREG, 0x10c) REG32(INITSVTOR0, 0x110) + FIELD(INITSVTOR0, LOCK, 0, 1) REG32(INITSVTOR1, 0x114) REG32(CPUWAIT, 0x118) REG32(NMI_ENABLE, 0x11c) /* BUSWAIT in IoTKit */ @@ -167,6 +168,8 @@ static uint64_t iotkit_sysctl_read(void *opaque, hwaddr= offset, case ARMSSE_SSE200: r =3D s->initsvtor1; break; + case ARMSSE_SSE300: + goto bad_offset; default: g_assert_not_reached(); } @@ -358,8 +361,25 @@ static void iotkit_sysctl_write(void *opaque, hwaddr o= ffset, s->gretreg =3D value; break; case A_INITSVTOR0: - s->initsvtor0 =3D value; - set_init_vtor(0, s->initsvtor0); + switch (s->sse_version) { + case ARMSSE_SSE300: + /* SSE300 has a LOCK bit which prevents further writes when se= t */ + if (s->initsvtor0 & R_INITSVTOR0_LOCK_MASK) { + qemu_log_mask(LOG_GUEST_ERROR, + "IoTKit INITSVTOR0 write when register locke= d\n"); + break; + } + s->initsvtor0 =3D value; + set_init_vtor(0, s->initsvtor0 & ~R_INITSVTOR0_LOCK_MASK); + break; + case ARMSSE_IOTKIT: + case ARMSSE_SSE200: + s->initsvtor0 =3D value; + set_init_vtor(0, s->initsvtor0); + break; + default: + g_assert_not_reached(); + } break; case A_CPUWAIT: switch (s->sse_version) { @@ -464,6 +484,8 @@ static void iotkit_sysctl_write(void *opaque, hwaddr of= fset, s->initsvtor1 =3D value; set_init_vtor(1, s->initsvtor1); break; + case ARMSSE_SSE300: + goto bad_offset; default: g_assert_not_reached(); } --=20 2.20.1