From nobody Tue Nov 18 14:13:05 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=1610642210; cv=none; d=zohomail.com; s=zohoarc; b=ncs+JoCCjIBqMWR0CxnoRknJS7cErj34LJRaAxS8ZeYORF+u3sP0OFd6vDbxx3dGWczj70TFbKvXgpucWEEvaBF3xzMyxGqq4idCdumUAs0BEqRsft/CZtxx9O+XguDI2G2o+2OoZm8eJqIN0XulFmHfwNZmjj25/3UQYOmakZg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1610642210; h=Content-Type: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; bh=+Doq/pcZOVuGb2dEzEOJraoiA6l0J+QqBjHM4CMC0Yk=; b=ZvgeDQj1jvFpCkd99lIhqQj0dLvOiM0XcG1oLSxuqKbq7OXDf2DgTpvPPx+80Zr4PDuaPHvP/RbSbPhl1KUcWD00HqQ8xdynX2e99NX8lTmz/hiM5ci6bBqzz9cNmwNcN8nEiHJ4jCVXxexGJ8wxipeVzn92wjn9IAUBWBJmGi4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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 1610642210960846.6596489504984; Thu, 14 Jan 2021 08:36:50 -0800 (PST) Received: from localhost ([::1]:51334 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l05c9-00022E-QO for importer@patchew.org; Thu, 14 Jan 2021 11:36:49 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39210) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l05NN-00042A-Cl for qemu-devel@nongnu.org; Thu, 14 Jan 2021 11:21:33 -0500 Received: from mail-wr1-x42d.google.com ([2a00:1450:4864:20::42d]:39997) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l05NL-0000YN-OT for qemu-devel@nongnu.org; Thu, 14 Jan 2021 11:21:32 -0500 Received: by mail-wr1-x42d.google.com with SMTP id 91so6396939wrj.7 for ; Thu, 14 Jan 2021 08:21:31 -0800 (PST) Received: from x1w.redhat.com (13.red-83-57-169.dynamicip.rima-tde.net. [83.57.169.13]) by smtp.gmail.com with ESMTPSA id g184sm9524669wma.16.2021.01.14.08.21.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Jan 2021 08:21:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=+Doq/pcZOVuGb2dEzEOJraoiA6l0J+QqBjHM4CMC0Yk=; b=cl9DJTY5d7Cje9sIlTA8Khf8s+LfIDiC9r+kX08Z3dcHrjk7X6WGNsp2ezysAGd7QZ YdE5wZXZcXjNneaUswBXYhqfmQJByv20YFZwn+x22gjebZll4+4mdjpiDnjajUkDT/n1 Utby3QU0vEGjwJJxtmpG9NLwwZ4ww6DxD9ZwGpKjZUiZbC5gkmwPLVqS4KxiH9Db8XcS DfalIrz/Z1h8Xlao+CWQHDUulghtWpkyQA4Wr/cgsuPBTld2js3H9sHy5GnB1nhk0UTu 7zyNKrP4bLGIsysBcWUnTkcrzWdToeC3QGxvtWktKCvyxfbj+pwAcP942Gw2v5d41XA4 +cjw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=+Doq/pcZOVuGb2dEzEOJraoiA6l0J+QqBjHM4CMC0Yk=; b=M7XD1PH6nYNcSfz/QsVIKEmR7X//sxd6HpOZlHaHCcWMcXWiNLu3wbL62eeGRAluvi iorIU7y1+o9R9770IkDIdTVhQ8KSLHLRHZBWJMyhACcF/8Q+WNDtxKXBVosChhCxOSs3 1H/7uaGG9n0Gu79SmuX4yTYP996CFIV5VL7nArGtR79pywmfozqrlMmX6naab6lRrFi/ 6p2Rap7P471yyyAaqhCQc/AjS2pbXZ1O5KUuRjK13c0fiAGfbKXAdM4XluVPuu6oYQXa FIedc93hLI/UJsFzZF6KPuPquclQwYtlCQP7tppkIC/Mmvw55VG343ceTRsgwxvk9K0V iuhQ== X-Gm-Message-State: AOAM532XEWEcF9M1gw9Fo+Si6OmoecL5nYzWjYxFtlE99QNdkrlAbHqd kYQOf4dhkaQ96Lfr9VLC1fVmrNhuclM= X-Google-Smtp-Source: ABdhPJyC5V7LBZfcoOHLz5E/hIbfdZu+6HFMHWmnNp/p4PS/Y1TJdBdUe/ssVi+waieT4w5Jb7EapQ== X-Received: by 2002:adf:e4ca:: with SMTP id v10mr8919808wrm.260.1610641290385; Thu, 14 Jan 2021 08:21:30 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: Subject: [PULL v2 58/69] target/mips: Convert Rel6 Special2 opcode to decodetree Date: Thu, 14 Jan 2021 17:20:12 +0100 Message-Id: <20210114162016.2901557-14-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210114162016.2901557-1-f4bug@amsat.org> References: <20210114162016.2901557-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::42d; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x42d.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.248, RCVD_IN_DNSWL_NONE=-0.0001, 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: Aleksandar Rikalo , Richard Henderson , qemu-devel@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Special2 opcode have been removed from the Release 6. Add a single decodetree entry for all the opcode class, triggering Reserved Instruction if ever used. Remove unreachable check_insn_opc_removed() call. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-Id: <20201208203704.243704-7-f4bug@amsat.org> --- target/mips/mips32r6.decode | 2 ++ target/mips/rel6_translate.c | 7 +++++++ target/mips/translate.c | 2 -- 3 files changed, 9 insertions(+), 2 deletions(-) diff --git a/target/mips/mips32r6.decode b/target/mips/mips32r6.decode index d71a65f32cb..dd7faf75ab8 100644 --- a/target/mips/mips32r6.decode +++ b/target/mips/mips32r6.decode @@ -15,3 +15,5 @@ @lsa ...... rs:5 rt:5 rd:5 ... sa:2 ...... &rtype =20 LSA 000000 ..... ..... ..... 000 .. 000101 @lsa + +REMOVED 011100 ----- ----- ----- ----- ------ # SPECIAL2 diff --git a/target/mips/rel6_translate.c b/target/mips/rel6_translate.c index da70ff9662b..139a7524eea 100644 --- a/target/mips/rel6_translate.c +++ b/target/mips/rel6_translate.c @@ -18,6 +18,13 @@ #include "decode-mips32r6.c.inc" #include "decode-mips64r6.c.inc" =20 +bool trans_REMOVED(DisasContext *ctx, arg_REMOVED *a) +{ + gen_reserved_instruction(ctx); + + return true; +} + static bool trans_LSA(DisasContext *ctx, arg_rtype *a) { return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa); diff --git a/target/mips/translate.c b/target/mips/translate.c index e3bb1e83efe..2f23ce4a363 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -27136,8 +27136,6 @@ static void decode_opc_special2_legacy(CPUMIPSState= *env, DisasContext *ctx) int rs, rt, rd; uint32_t op1; =20 - check_insn_opc_removed(ctx, ISA_MIPS_R6); - rs =3D (ctx->opcode >> 21) & 0x1f; rt =3D (ctx->opcode >> 16) & 0x1f; rd =3D (ctx->opcode >> 11) & 0x1f; --=20 2.26.2