From patchwork Tue Nov 7 03:03:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 741801 Delivered-To: patch@linaro.org Received: by 2002:adf:fd90:0:b0:32d:baff:b0ca with SMTP id d16csp1420177wrr; Mon, 6 Nov 2023 19:08:36 -0800 (PST) X-Google-Smtp-Source: AGHT+IHW0S/bMKQSB7BgkpBJy9ERBe2u7nHV03QQH0G5D8+sKQvzKg6Dh9rMri2hqbwZNz68OSEO X-Received: by 2002:a05:620a:4805:b0:774:1082:a249 with SMTP id eb5-20020a05620a480500b007741082a249mr34071274qkb.57.1699326516318; Mon, 06 Nov 2023 19:08:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1699326516; cv=none; d=google.com; s=arc-20160816; b=H0Err6uIqpNHPPdT/YQzFs9NBMisEUcar0TMxpNdamWXF1ZXPoEnNbOvpvXMwk4aq2 OOTcnrK47dtsElemiRcT232y4nsW/HdWl30InI/Q70PzIDNlwpbE6JpZ8pVhtSnVdLf0 al6prHaLMCdgt2IGg0qIVVLtrRro2vDA0b0WX3Rl2OpPDJtzTRB9RfSttNCNL5KtroMm QNd43s9gcquGiXwLAfZxO3t7yTdNsfqEiefQrope/fs9CFXxkR6HedV8phU/58eKQLBS WBOxYR+WLINTBqnZkc6RtjckmRzDnYokE9kFZTovi6HHOxRnt9b/zLLDiLI+/FIDqwm5 P2VA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=KL35RIOske5ZEwNLa4RVHtpQpzTuLRW6sfRRvrTR5m0=; fh=PnYt+qEB9tAfMKoqBm2xjKOFpYyFFGPudh5cVIoieJM=; b=aTExVZF0ykrYqzyDFKQfBvipwmBYyhCZc1n2pIIHqAOBBoUnqGN5zz2GRjjSuTaWSn 4z579SMl6P+H9jWucsdtA4o8blAG13ohG5kiHLBHLAC8MfcKdow8hqNj63KGNDSIatkS hBjXYQV2ASTgEC3KJLu0THP6ZGBt2GKnYM9rQ4shv/Fd8A4G2OP2kWfcsdNe7MdYayqI ceit9GTyYPqJzOWkDNaOKStXvHXzk0pu0EpVGPnr/PYD73ZHBwuaSz3oi4++3Mo21OIL D2jY6nWHpavCtYZ6Az9UimiqKL97pbA/e305RZ4DFTNBK/OeVlomUDpcjoQ/xoOPGrCA tRhw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=MzgFRuWF; 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 s7-20020a05620a0bc700b007759c22e907si2357760qki.142.2023.11.06.19.08.36 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 06 Nov 2023 19:08:36 -0800 (PST) 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=MzgFRuWF; 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] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r0CPP-0000v8-OT; Mon, 06 Nov 2023 22:05:43 -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 1r0COY-000786-1c for qemu-devel@nongnu.org; Mon, 06 Nov 2023 22:04:52 -0500 Received: from mail-pl1-x62e.google.com ([2607:f8b0:4864:20::62e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1r0COL-0000gt-6m for qemu-devel@nongnu.org; Mon, 06 Nov 2023 22:04:49 -0500 Received: by mail-pl1-x62e.google.com with SMTP id d9443c01a7336-1cc3c51f830so39153385ad.1 for ; Mon, 06 Nov 2023 19:04:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1699326269; x=1699931069; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=KL35RIOske5ZEwNLa4RVHtpQpzTuLRW6sfRRvrTR5m0=; b=MzgFRuWFKtZbJwKZnanyVC88CkfPlmmleZ//TETgp8meUAiiCpBlXy6T6fLj/o/IYz gI19GYSLTohQxYXax/z8jjp9eYLS5dJy12vA8R/RQzvF5o6iil4oIqPtdmq25nkoZ/1J BFL09MYAJZTE3eS57YJnrRWkfBVPdRvzzGltnOpHipbkOxXWVIAKZkmzHgdrPkjSGn1m ApTVQwMsvwH+wouazY6PnhkPVKjmHfg3IZbw80dSWK+pzonbvxSvKf8j6XNkoGI7GCmr KjigDrBTLwKFDLo19ABLW69OX0JmNh+43kpbrqbTPDFMEtjLBiqiNVeWFiwQm0k5ieMb jk9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699326269; x=1699931069; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KL35RIOske5ZEwNLa4RVHtpQpzTuLRW6sfRRvrTR5m0=; b=l5Q5nauiaP86NC+qD/qpY1VTnHjog2N1ueHDJP1cDecbpBt1cUEycAsE+1ZNP42aVM GUNVnNeeLUhUaSr69NZQOW/u9h5GDfCc6fmPeOriX/bVzMoDH/eeP66FtXMOiKdTbAVS v3eIAxasqA3s4opoyIDyD8ubpNgqiTq7yXgbtGQUgMy8Tnqin4uViRR/MBiGNy7YRCgV du7L9p1LVHmC9/ofjooMpLVqkU5l1ChifD/pFV6oPnvr9EC03+FpRzdCORk29UuWqffs 3FI59BvVLtc+qvFSWd8GRDzBpSc/qIp6ZpIwLkKK0YuatfRMn1yTWnjhMQjvNDTlkfcH xsJQ== X-Gm-Message-State: AOJu0Yx5DOLhY2ZTteFriF6/MYbySjAE1+V3eYPFBumbGpV3SWI+oom9 GfxSKo4Csq7Qtl/JjJkTlf0TywejdmtlF+rOG74= X-Received: by 2002:a17:902:e887:b0:1cc:7b2f:7216 with SMTP id w7-20020a170902e88700b001cc7b2f7216mr16630499plg.29.1699326269646; Mon, 06 Nov 2023 19:04:29 -0800 (PST) Received: from stoup.. ([71.212.149.95]) by smtp.gmail.com with ESMTPSA id u9-20020a17090282c900b001c72d5e16acsm6518012plz.57.2023.11.06.19.04.29 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Nov 2023 19:04:29 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 28/85] target/hppa: Mask inputs in copy_iaoq_entry Date: Mon, 6 Nov 2023 19:03:10 -0800 Message-Id: <20231107030407.8979-29-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231107030407.8979-1-richard.henderson@linaro.org> References: <20231107030407.8979-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62e; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62e.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, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Ensure that the destination is always a valid GVA offset. Signed-off-by: Richard Henderson --- target/hppa/translate.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/target/hppa/translate.c b/target/hppa/translate.c index c2db2782f4..cf05d8b6e4 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -720,10 +720,22 @@ static target_ureg gva_offset_mask(DisasContext *ctx) static void copy_iaoq_entry(DisasContext *ctx, TCGv_reg dest, target_ureg ival, TCGv_reg vval) { - if (unlikely(ival == -1)) { + target_ureg mask = gva_offset_mask(ctx); + + if (ival != -1) { + tcg_gen_movi_reg(dest, ival & mask); + return; + } + tcg_debug_assert(vval != NULL); + + /* + * We know that the IAOQ is already properly masked. + * This optimization is primarily for "iaoq_f = iaoq_b". + */ + if (vval == cpu_iaoq_f || vval == cpu_iaoq_b) { tcg_gen_mov_reg(dest, vval); } else { - tcg_gen_movi_reg(dest, ival); + tcg_gen_andi_reg(dest, vval, mask); } }