From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F147FC433DB for ; Thu, 7 Jan 2021 22:29:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BADF323601 for ; Thu, 7 Jan 2021 22:29:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728239AbhAGW3Y (ORCPT ); Thu, 7 Jan 2021 17:29:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728666AbhAGW3X (ORCPT ); Thu, 7 Jan 2021 17:29:23 -0500 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCCD0C0612F4 for ; Thu, 7 Jan 2021 14:28:31 -0800 (PST) Received: by mail-wr1-x42a.google.com with SMTP id i9so7148169wrc.4 for ; Thu, 07 Jan 2021 14:28:31 -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=d4Gj//OkD5jKhI/4P4VQprZ7+6fnm/3amg1m9obP+eI=; b=btSc1YFi2LkwM2+EAdgZ56w6Qe52rwg/g+fmeS/hD3F68F2fEFYUhlDqUxB33dh1gj xOYJ4UZ8CN/NTQcanjgvNXqtwdaLTVhDW8Sav3kCpJ7B0+ZIUqVWlQBhH0fEe8wc9OEV kK1dVmMJcIBi1TumZ7MxLX9shUchuLu0bnXJ4yeimJeC4gFUQK6rqLNVvsRForqedVnL 0d0CHDhdUFMjAaOtrL6QL2447KxIpU6h+WvZ6NdCoSVPcGrZK1u/EAqPzOJK8OHe4CWU woZXW1JsNZG8HEY2OaN964q8Y0N1/EIGnEX2OyllI3J+E99MYPhjmAi3xHJwUnt5A7mB 8Fcg== 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=d4Gj//OkD5jKhI/4P4VQprZ7+6fnm/3amg1m9obP+eI=; b=SBorK1soHwZZdIDuyQdjHYLGj+zTpTK8W1YLXLrB5vPKXFdQjO8XVyKqySLeS5RZrF R8T3KK0RRvWY2YgUrQNu9+uQ7DGZjYSbJugJEZl6bx8UfY90zlztKlHcAJQVeMrpVlv1 BTcGscUC7So+VpRyu9gppkMLD9WHOY+A2oJ6poKVGNXEXN+ysDfP7hNTWqhNGfB5AwsD Id+0dwZrKObfeBEzexgbFgv/xYSTKsYlycBC+8U35JK3sWH2flAlrK5C+zBmfnAphcFZ l80OAy5lzkQXscRmVA3/gO+67OBPuFwSPpWdgpi8aHWuWk/wPy6utPjRE1WoUtyehIf5 gE1A== X-Gm-Message-State: AOAM530tI/G8ZO/SY673O9JZBJ8qIFptn9b2cmU3MNMNlTbJA/pYvQXV aL2T+TSB7BygCtyzdOog7Rk= X-Google-Smtp-Source: ABdhPJyeb/1d59aZ9MSRmZedPlgjNOORpFfUrYpwLVOmJ2MAgpomcFip6GYr8+4/7KkvOopf0mTobA== X-Received: by 2002:a5d:5385:: with SMTP id d5mr677700wrv.384.1610058510668; Thu, 07 Jan 2021 14:28:30 -0800 (PST) Received: from x1w.redhat.com (241.red-88-10-103.dynamicip.rima-tde.net. [88.10.103.241]) by smtp.gmail.com with ESMTPSA id c6sm10851358wrh.7.2021.01.07.14.28.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Jan 2021 14:28:30 -0800 (PST) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: libvir-list@redhat.com, Paolo Bonzini , Laurent Vivier , kvm@vger.kernel.org, Jiaxun Yang , Aurelien Jarno , Huacai Chen , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aleksandar Rikalo , Paul Burton , Richard Henderson Subject: [PULL 65/66] target/mips: Convert Rel6 LL/SC opcodes to decodetree Date: Thu, 7 Jan 2021 23:22:52 +0100 Message-Id: <20210107222253.20382-66-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210107222253.20382-1-f4bug@amsat.org> References: <20210107222253.20382-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org LL/SC opcodes have been removed from the Release 6. Add a single decodetree entry for the opcodes, triggering Reserved Instruction if ever used. Remove unreachable check_insn_opc_removed() calls. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20201208203704.243704-14-f4bug@amsat.org> --- target/mips/mips32r6.decode | 2 ++ target/mips/translate.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/target/mips/mips32r6.decode b/target/mips/mips32r6.decode index 3ec50704cf2..489c20aa4e9 100644 --- a/target/mips/mips32r6.decode +++ b/target/mips/mips32r6.decode @@ -31,4 +31,6 @@ REMOVED 101010 ----- ----- ---------------- # SWL REMOVED 101110 ----- ----- ---------------- # SWR REMOVED 101111 ----- ----- ---------------- # CACHE +REMOVED 110000 ----- ----- ---------------- # LL REMOVED 110011 ----- ----- ---------------- # PREF +REMOVED 111000 ----- ----- ---------------- # SC diff --git a/target/mips/translate.c b/target/mips/translate.c index 9f717aab287..b5b7706a7c2 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -28585,7 +28585,6 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) if (ctx->insn_flags & INSN_R5900) { check_insn_opc_user_only(ctx, INSN_R5900); } - check_insn_opc_removed(ctx, ISA_MIPS_R6); /* Fallthrough */ case OPC_LWL: case OPC_LWR: @@ -28606,7 +28605,6 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) break; case OPC_SC: check_insn(ctx, ISA_MIPS2); - check_insn_opc_removed(ctx, ISA_MIPS_R6); if (ctx->insn_flags & INSN_R5900) { check_insn_opc_user_only(ctx, INSN_R5900); } -- 2.26.2