From nobody Tue Feb 10 23:58:31 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 ARC-Seal: i=1; a=rsa-sha256; t=1620848322; cv=none; d=zohomail.com; s=zohoarc; b=n9CyMbhG/U5xRGFfINYXyYvUTPhgGiqzHPKm3U8RozfmJS7QScBmEgTsUpetrEgKiyVCBk5BlU7gLRUX5ZP7XuFcYuhWA9qGlVkIcgeOGv6VYTUFeFaH8uflA1ePgzUD87RPhY1etkG3EOjL83xbibQ1Gvdsejsx3l5YVRm2AlU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1620848322; 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=eYE96axjvak9DjVrCAfd95U8JB30eLQTtqgjD6+kl0g=; b=oL8qpgvhvbP66thTH5G0WJKOvVtBUEqbuBjyZgr4ykzDuAX87YkTBrMHwxuE2A8G1ICuDquAU+ifajcOw41sMImb9UfZ03lsRneK0PUYdMUb+ZUVFi68M4WHNk3+b4IaS/gkHhXrfGg6it87PVSv3I3qRgDWqjOHkaq5OqldGOs= ARC-Authentication-Results: i=1; mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1620848322515179.56066569436473; Wed, 12 May 2021 12:38:42 -0700 (PDT) Received: from localhost ([::1]:55986 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lgugr-00017Y-EG for importer@patchew.org; Wed, 12 May 2021 15:38:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53942) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgu3x-0000Is-91; Wed, 12 May 2021 14:58:29 -0400 Received: from [201.28.113.2] (port=47887 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lgu3v-0000ms-G8; Wed, 12 May 2021 14:58:28 -0400 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Wed, 12 May 2021 15:56:05 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id 2161D80139F; Wed, 12 May 2021 15:56:05 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v4 19/31] target/ppc: Move page crossing check to ppc_tr_translate_insn Date: Wed, 12 May 2021 15:54:29 -0300 Message-Id: <20210512185441.3619828-20-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210512185441.3619828-1-matheus.ferst@eldorado.org.br> References: <20210512185441.3619828-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-OriginalArrivalTime: 12 May 2021 18:56:05.0453 (UTC) FILETIME=[76196FD0:01D74760] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) 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=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: richard.henderson@linaro.org, f4bug@amsat.org, luis.pires@eldorado.org.br, lagarcia@br.ibm.com, bruno.larsen@eldorado.org.br, matheus.ferst@eldorado.org.br, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Richard Henderson With prefixed instructions, the number of instructions remaining until the page crossing is no longer constant. Signed-off-by: Richard Henderson Signed-off-by: Matheus Ferst --- target/ppc/translate.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 153c61e8ec..dec2ff1886 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -9251,9 +9251,6 @@ static void ppc_tr_init_disas_context(DisasContextBas= e *dcbase, CPUState *cs) =20 if (ctx->singlestep_enabled & (CPU_SINGLE_STEP | GDBSTUB_SINGLE_STEP))= { ctx->base.max_insns =3D 1; - } else { - int bound =3D -(ctx->base.pc_first | TARGET_PAGE_MASK) / 4; - ctx->base.max_insns =3D MIN(ctx->base.max_insns, bound); } } =20 @@ -9308,6 +9305,11 @@ static void ppc_tr_translate_insn(DisasContextBase *= dcbase, CPUState *cs) handler->count++; #endif =20 + /* End the TB when crossing a page boundary. */ + if (ctx->base.is_jmp =3D=3D DISAS_NEXT && !(pc & ~TARGET_PAGE_MASK)) { + ctx->base.is_jmp =3D DISAS_TOO_MANY; + } + translator_loop_temp_check(&ctx->base); } =20 --=20 2.25.1