From patchwork Tue Apr 27 17:16:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Fernando Fujita Pires X-Patchwork-Id: 427955 Delivered-To: patch@linaro.org Received: by 2002:a02:c901:0:0:0:0:0 with SMTP id t1csp4831246jao; Tue, 27 Apr 2021 10:31:23 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy1OY/+sx8VERbnzoCMaHYU+uxmyTt2oMdOTpE3RvJVZKpkKNQoIlVnbC16swPrDes+ZIgX X-Received: by 2002:a2e:b4f5:: with SMTP id s21mr12210822ljm.320.1619544683260; Tue, 27 Apr 2021 10:31:23 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1619544683; cv=none; d=google.com; s=arc-20160816; b=wUmSmUS6DTELq2ZrzDgSfrHd5CUMOC7MgE1lkZzrJ9QZt2t/gTW/U7tXBb9HPFiLH7 abF8N9oXchOyYQI+9NT2maAAm6K5slFrI23XE9s9wQYCg2aB21rhRUholyxNe7L50ZW1 VA+9HPgPaQfftj65pJV4oC7YZACrJ0rKJjQkKAblGoH9NVFYqMzWjOcW2kf8TLkceRuD zWW2sBqD+S7mY7XrN2Z1FpBf3fqe8X2MVpTfMaJWWbqdiSLBS+RMcRDMZFxe5bfle/WT N5YG5J3+hODa/A804HRInBdfUSJu2v3QjqLwE/qoZ22m3VI9xDALjsNYkTQ38Q+uAkay J+JQ== 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:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from; bh=Gacgq6ZNKRdd8w7WKIYTIjQGLPm2tEp4a8MEucN1LLE=; b=0Wmn4mgMGOq9Zkpuf8nhZOy/J4I18za6DQ5hedhOSj1lwrJb0OEskh/uepEBd6aWRz AGOdS9Fss0OptA9xJ9ex4WCeAFmIQI8L8iaYVh3bZH1X/OcyWniPpHZGi4eIWogMKdUA LdH3e6opHhJ3aMz4Scu9LwY+uLYJyRs9sp6vt+iNTh/s5OkJ1dJ+o8tukRi6i/2WZXLo jsrgL1aeTKnx34+uOnegE8D/Jcbt800xyGeryufAg3x0RX2/8/DYpiqVYFiEJGva3cik FyQ5GaxnQZHbjUMg2UidMgnDlznWNq1bij1O8pWsebhDQ7wdOrfcVc/bN38kvb7Y0RAJ Bl1A== ARC-Authentication-Results: i=1; mx.google.com; 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" Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id v23si4487723ljh.149.2021.04.27.10.31.23 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 27 Apr 2021 10:31:23 -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; 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" Received: from localhost ([::1]:57814 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lbRYP-0001wJ-LV for patch@linaro.org; Tue, 27 Apr 2021 13:31:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39684) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lbRM8-0001oZ-Uk; Tue, 27 Apr 2021 13:18:40 -0400 Received: from [201.28.113.2] (port=48284 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lbRM7-00023I-HI; Tue, 27 Apr 2021 13:18:40 -0400 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Tue, 27 Apr 2021 14:16:53 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id B199980139F; Tue, 27 Apr 2021 14:16:53 -0300 (-03) From: Luis Pires To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v2 10/15] target/ppc: Implement PNOP Date: Tue, 27 Apr 2021 14:16:44 -0300 Message-Id: <20210427171649.364699-11-luis.pires@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210427171649.364699-1-luis.pires@eldorado.org.br> References: <20210427171649.364699-1-luis.pires@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 27 Apr 2021 17:16:53.0902 (UTC) FILETIME=[1E8092E0:01D73B89] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) Received-SPF: pass client-ip=201.28.113.2; envelope-from=luis.pires@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, lagarcia@br.ibm.com, bruno.larsen@eldorado.org.br, matheus.ferst@eldorado.org.br, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson Signed-off-by: Richard Henderson --- target/ppc/insn64.decode | 5 +++++ target/ppc/translate/fixedpoint-impl.c.inc | 12 ++++++++++++ 2 files changed, 17 insertions(+) -- 2.25.1 diff --git a/target/ppc/insn64.decode b/target/ppc/insn64.decode index 68ed2cbff8..9bef32a845 100644 --- a/target/ppc/insn64.decode +++ b/target/ppc/insn64.decode @@ -30,3 +30,8 @@ PADDI 000001 10 0--.-- .................. \ 001110 ..... ..... ................ @PLS_D + +### Prefixed No-operation Instruction + +PNOP 000001 11 0000-- 000000000000000000 \ + -------------------------------- diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index 76e1832297..7d80e3c002 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -58,3 +58,15 @@ static bool trans_PADDI(DisasContext *ctx, arg_PLS_D *a) } return true; } + +static bool trans_PNOP(DisasContext *ctx, arg_PNOP *a) +{ + /* + * TODO: diagnose the set of patterns that are illegal: + * branches, rfebb, sync other than isync, or a + * service processor attention. + * The Engineering Note allows us to either diagnose + * these as illegal, or treat them all as no-op. + */ + return true; +}