From patchwork Wed Oct 23 15:00:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 177320 Delivered-To: patch@linaro.org Received: by 2002:a92:409a:0:0:0:0:0 with SMTP id d26csp908303ill; Wed, 23 Oct 2019 08:49:02 -0700 (PDT) X-Google-Smtp-Source: APXvYqz4PdW5QXYgmJV08vG6aAx5oj6ZSnQ1wLiYwMFXnnG6GZplf7F4U/7l+/3UGBVmeY7fyCKg X-Received: by 2002:a37:84c3:: with SMTP id g186mr8934903qkd.398.1571845742665; Wed, 23 Oct 2019 08:49:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1571845742; cv=none; d=google.com; s=arc-20160816; b=gRu/wBTxpVGH0wX7BFfsFmXq2pL386OI2PfLzl5qBe5CuouamSoGMmsxS+CMMZN0Kb 8k3vw4jWGd5DbzW7I+iYjWt60+5x42+bDhpD+GGHmVm7KCQYvbwCWgeYy1Qcosm2e7Na bZQ4AeZVxF+CBMRks+YnuRjESHuY4pztQOPZordYITpZzjyESg6mNFqXevnuhtoBj5Gf iXr7YDeazjtDcBsg0LJz5SrB3lpxn++rRpvI2W/jpRDZ4zK3Efu93BSFyqyTy0SKb2mP IQkY2y0Ukx1MNqqQdf7/jFnaeqTf31H8NXjeTBnLRcvk4avxhbLUAkx94ydLSOQ1aO52 3GQw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:references:in-reply-to :message-id:date:subject:to:from:dkim-signature; bh=4z2zPWedOviyKqg3qmIWn8g3R8jv2yS1u67ka41eHWc=; b=FY99pX+pwnisi8JPwtvJvcNsrqOTh0o2JbOwd7EwLdnbUDMvRJqpbINcOx9ZT+IA4a LKSu4RV8t7M2iZSJd3uKELzIiGC+jzEQd7vAYLqxXIXk+Dp+5ptvHagOAY/dQret5bWM vwqyJqkw5X8PGdDqjY2mn8neuyfytcRmC1MeJkFT4Y5yd4Es478bIOTMXv+7oGJjqwQG WI9wbrkmYBQyHrFD9iuf46hvDwYDIDUWcAkLNpDUfMrangmIYujJEejP5m4NvmZav1kh A8f6Xe1aTKr9UrC3inDcYNTpuI3qb3+gwgWEXHpGXF7uFRnWdOu4V4uhZ8tygbIqLOVp WYpw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="kRI/7Vjd"; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id c48si11009605qta.348.2019.10.23.08.49.02 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 23 Oct 2019 08:49:02 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="kRI/7Vjd"; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:39962 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNIsf-0007es-3e for patch@linaro.org; Wed, 23 Oct 2019 11:49:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35503) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNI8y-0008Hs-Tt for qemu-devel@nongnu.org; Wed, 23 Oct 2019 11:01:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iNI8r-0001Gm-P8 for qemu-devel@nongnu.org; Wed, 23 Oct 2019 11:01:48 -0400 Received: from mail-qk1-x744.google.com ([2607:f8b0:4864:20::744]:35195) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iNI8r-0001A4-KE for qemu-devel@nongnu.org; Wed, 23 Oct 2019 11:01:41 -0400 Received: by mail-qk1-x744.google.com with SMTP id w2so20044779qkf.2 for ; Wed, 23 Oct 2019 08:01:29 -0700 (PDT) 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; bh=4z2zPWedOviyKqg3qmIWn8g3R8jv2yS1u67ka41eHWc=; b=kRI/7VjdZTOejYq4avHlHxKBwzld0iJdrnmUJYizOKUKU4Hvyw5X6xk+vB3jQ3MwbE GLKAtYQpd6/4UIjpbFlHS6RsMGZxt96vmQr8KHoZK7vq5Q/I2gQ+CJI+57KmH+9Tw/S8 jzDgMHMp9/O4vIyfV63ewmnma2+XgWyqvayX8qP6LVmCGw6aqVx45uxbJG+W0jeX8edm vnZPw0Rra91QSKoi7rjXjY4gcglLlxA2jg29dVM2MKfyQt/2mAW4CjZid7E+oJ6jfNFo pTRacCtRxTQJf7PP7+OSofKTGq+VTEZPtewTlc93jRXkXg6C8Q6+fjTdecgZ+Gl/GAZe zI0g== 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; bh=4z2zPWedOviyKqg3qmIWn8g3R8jv2yS1u67ka41eHWc=; b=FJbhdIcmXvTqR2KPuBkWfeGMn7WStQ+i45Bma6yDZCj/O0407PL0jCFYyS4q8DvPK0 DF7gNbl4ESwHCSGoNe+nU3PaN7YGYVYDfwqeffPYIpt3qS9jcJUV9F+cidYsPlufjoPm ZoXNEn0Pq9flEZNouBmXGQGacmFnJ1/viIx1ZijjJ48rBFfOxpOZ5KDcSv4w3q5btBdI 4CUvEMOPlMDdAjOLtNbDan8mUkbPxeyoEp+CUgID35ZSHMa5/NKd+FRIYHyU0zrE32G+ y0iqX9oQyrrEuF7fN4p8N/7aJwi8KGHGjbTPbH9ybJrQvDAiSgQUmVFI9FX8zmybOO1m GQ3A== X-Gm-Message-State: APjAAAUsBzfuNvHLNwhn2QN7eD9oETzArtyIMSQ6OFuc0DkvVixjSMNm cfyao0P6kq2iGO3WiKAgojvv6O8xAyw= X-Received: by 2002:a37:7906:: with SMTP id u6mr9178909qkc.5.1571842888188; Wed, 23 Oct 2019 08:01:28 -0700 (PDT) Received: from localhost.localdomain (198-4-20-64.static.cosmoweb.net. [64.20.4.198]) by smtp.gmail.com with ESMTPSA id l189sm11030168qke.69.2019.10.23.08.01.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2019 08:01:27 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v9 19/24] target/arm: Rebuild hflags at Xscale SCTLR writes Date: Wed, 23 Oct 2019 11:00:52 -0400 Message-Id: <20191023150057.25731-20-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191023150057.25731-1-richard.henderson@linaro.org> References: <20191023150057.25731-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::744 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, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Continue setting, but not relying upon, env->hflags. Signed-off-by: Richard Henderson --- target/arm/helper.c | 10 ++++++++++ 1 file changed, 10 insertions(+) -- 2.17.1 diff --git a/target/arm/helper.c b/target/arm/helper.c index aae7b62458..c55783e540 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -4174,6 +4174,16 @@ static void sctlr_write(CPUARMState *env, const ARMCPRegInfo *ri, /* ??? Lots of these bits are not implemented. */ /* This may enable/disable the MMU, so do a TLB flush. */ tlb_flush(CPU(cpu)); + + if (ri->type & ARM_CP_SUPPRESS_TB_END) { + /* + * Normally we would always end the TB on an SCTLR write; see the + * comment in ARMCPRegInfo sctlr initialization below for why Xscale + * is special. Setting ARM_CP_SUPPRESS_TB_END also stops the rebuild + * of hflags from the translator, so do it here. + */ + arm_rebuild_hflags(env); + } } static CPAccessResult fpexc32_access(CPUARMState *env, const ARMCPRegInfo *ri,