From patchwork Tue Sep 24 21:00:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Alex_Benn=C3=A9e?= X-Patchwork-Id: 11159629 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 882C114ED for ; Tue, 24 Sep 2019 21:13:40 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5E7F720872 for ; Tue, 24 Sep 2019 21:13:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="K8sq2zWu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E7F720872 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:51574 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iCs7v-00064E-0y for patchwork-qemu-devel@patchwork.kernel.org; Tue, 24 Sep 2019 17:13:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55565) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iCrw2-0002Ys-Jc for qemu-devel@nongnu.org; Tue, 24 Sep 2019 17:01:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iCrw0-0004V7-Q5 for qemu-devel@nongnu.org; Tue, 24 Sep 2019 17:01:22 -0400 Received: from mail-wr1-x441.google.com ([2a00:1450:4864:20::441]:44416) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iCrw0-0004SH-De for qemu-devel@nongnu.org; Tue, 24 Sep 2019 17:01:20 -0400 Received: by mail-wr1-x441.google.com with SMTP id i18so3603129wru.11 for ; Tue, 24 Sep 2019 14:01:12 -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 :mime-version:content-transfer-encoding; bh=hZ13oH0NrkJmOGqXttosTEow//UtkytE3cMegchFT1g=; b=K8sq2zWu35ZcJN7+uSClRFErzby3kvqCvCrFoLehZuE/BXvL2wJo0N5Gnqj/VEU4Gk A7zgzDrL7gNnUXmWF3dz4YV0Unteb2RHt2F7U4HOkw80b/1GIw/kzUo8P0qeMh6UlnTQ JOIjRaJ/fxmd+nY1OCUrQIAibMbiBEp5WuetL6XX6NiWWZUmU9zJoPYVR2BaavZIViPv trrHsjf+KVSiyLzGtDD3II5Mh/xvCsgwpNVsRPf5mwAufquMa55S+HNiSXDOGZt+WRTc 0SUazoGqeAQReuZIg5WrHXXPJkeYGTvf7vgbS7Kx5ADmfuZeVar223gZotxn+aqHMEMI E9JQ== 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=hZ13oH0NrkJmOGqXttosTEow//UtkytE3cMegchFT1g=; b=hpj4NXGQ6BmTI4YHPNZVBZcVGNOtSGwnA1ugOhfA3+/qyWSVQTBlEO4AVs8TM4csC0 Yd1dHbYzWIKjFIAb7bKEYUOP8r48VH6EU30B1UBGcc6p9Vs9slW7HsvALmiEtlqFjmbu jzNdygFrjcUmv/7+N2R7NG+TlHh1ixpt1cZG5Z+49TCC+rIwHcsGxuYVq+YpI84mVanR /l2yVmAJ2RkSa34K/VkvREeHy/3XthCntEFoWlGGUkAQMyDBGkpij8JqVZ2HxvCN+anY PKwb2mfLKTJ9i2rSR1NdOYj6WyOAu0lmWSjjYJgL6dZrEFYU5PHIhcpHOWEu9MwHwkFr I5PQ== X-Gm-Message-State: APjAAAWLyEG9SWP9Tvtqbrg1LHmhpPpFIXY8q+cOMA5pBGElQ+KcqWSP otMbdn/wFQj/FzRS8hJwF+0j3MWIqubylw== X-Google-Smtp-Source: APXvYqyvwmk0JpRm7vbBHK0wOFr3pFoWn4QlkGfNEZofGZih0+mljLe/yweiKsdyuo9wFxJ0pRSLdA== X-Received: by 2002:a5d:42cf:: with SMTP id t15mr4812854wrr.64.1569358870994; Tue, 24 Sep 2019 14:01:10 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id l6sm1719246wmg.2.2019.09.24.14.01.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Sep 2019 14:01:09 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 352831FF91; Tue, 24 Sep 2019 22:01:07 +0100 (BST) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: qemu-devel@nongnu.org Subject: [PATCH v3 04/33] target/alpha: Handle SWCR_MAP_DMZ earlier Date: Tue, 24 Sep 2019 22:00:37 +0100 Message-Id: <20190924210106.27117-5-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190924210106.27117-1-alex.bennee@linaro.org> References: <20190924210106.27117-1-alex.bennee@linaro.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::441 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?Alex_Benn=C3=A9e?= , Richard Henderson , jsnow@redhat.com, f4bug@amsat.org, Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson Since we're converting the swcr to fpcr format for exceptions, it's trivial to add FPCR_DNZ to the set of fpcr bits overriden. No functional change. Signed-off-by: Richard Henderson Signed-off-by: Alex Bennée Message-Id: <20190921043256.4575-5-richard.henderson@linaro.org> --- target/alpha/helper.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/target/alpha/helper.c b/target/alpha/helper.c index e21c488aa32..2f959c65efb 100644 --- a/target/alpha/helper.c +++ b/target/alpha/helper.c @@ -57,7 +57,7 @@ void cpu_alpha_store_fpcr(CPUAlphaState *env, uint64_t val) * the software exception mask. */ uint32_t soft_fpcr = alpha_ieee_swcr_to_fpcr(env->swcr) >> 32; - fpcr |= soft_fpcr & FPCR_STATUS_MASK; + fpcr |= soft_fpcr & (FPCR_STATUS_MASK | FPCR_DNZ); #endif t |= CONVERT_BIT(fpcr, FPCR_INED, FPCR_INE); @@ -73,9 +73,6 @@ void cpu_alpha_store_fpcr(CPUAlphaState *env, uint64_t val) env->fpcr_flush_to_zero = (fpcr & FPCR_UNFD) && (fpcr & FPCR_UNDZ); env->fp_status.flush_inputs_to_zero = (fpcr & FPCR_DNZ) != 0; #ifdef CONFIG_USER_ONLY - if (env->swcr & SWCR_MAP_DMZ) { - env->fp_status.flush_inputs_to_zero = 1; - } if (env->swcr & SWCR_MAP_UMZ) { env->fpcr_flush_to_zero = 1; }