From patchwork Thu Oct 31 04:21:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13857555 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 416B7E68958 for ; Thu, 31 Oct 2024 04:23:12 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t6Mhg-0006qd-SF; Thu, 31 Oct 2024 00:22:36 -0400 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 1t6Mhc-0006in-4h for qemu-devel@nongnu.org; Thu, 31 Oct 2024 00:22:32 -0400 Received: from mail-lj1-x22e.google.com ([2a00:1450:4864:20::22e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1t6Mha-0006rS-GT for qemu-devel@nongnu.org; Thu, 31 Oct 2024 00:22:31 -0400 Received: by mail-lj1-x22e.google.com with SMTP id 38308e7fff4ca-2fb51e00c05so7304051fa.0 for ; Wed, 30 Oct 2024 21:22:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1730348548; x=1730953348; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=DMGxpn8Fe7mTj/qWvu1FAZjbLfiL4gHv/dM/0NNZ6VM=; b=TIuvswHA9OrgdujY36XoOGH3Vy3xhr/Ymp0gBHxQK1oL843znj5rHx/Z8+3cLG2sCt tFCl7OLYiiTO/Mr1+WOr8EOgXIGqRxGc8B2Y05lAzyil71FEQWe9EnlwjRnVu3aKJlNB rr/O5KIIX/jL1MUsXEzscHIMCJRLVTBJe8Rh2pIOVHqo+AvKz3ydTHMojgqpxLcBEVQ5 sdfV3RGuqAtjrL9MyMfcK/7aj9IvUBchxfgrKj3z6kUSekb92dmrCGcMGhkjGmx7K9uQ pmrQfT4/7eJGwT9y6Su5YFXJcRBXefl2OW4kAxBCtqeMNrodf46Wj1QLEIsu4bjuDh45 UZCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730348548; x=1730953348; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DMGxpn8Fe7mTj/qWvu1FAZjbLfiL4gHv/dM/0NNZ6VM=; b=oCnr7doufs0v6EGUlGnyVa6IfUU1pI02zbieYwR6B7c/tf5uMnll+WiANBHzQvpfwi Ow0+hvCFIOMiDTS6rQHixcenBWZvUbhKtT3Ap0RpyrzhTSLZdU4S/H/GBY26TjAzaPPJ F2oRBxFDHBObqcB90Q8YwNf7dlcw7PNdVRwWxTUE4oZNcZ/PBLt9M/77Eg7RFkVctI1e ii3ynNfB1gBaWdbjPt0osy9ozqTYL10hhlv9sW1XHzkuusFWQLgmULp/NlNtfeyeolku 9B7W/s0lJZDp6mCjAn8RIYO2YKiGv4wl8RGTgz/CLgc1W9FhI5u6jQ5rcMggy94oQch4 eUSw== X-Gm-Message-State: AOJu0YzMGvDWb4eOBINVuixbuGzamWiW5o7CSvXEAohrq93rt4NM+0Rz ke0N2Du1TdYxgvloYai5Hy6Mi9lL5LLZQH8Z6LtPKbMl8kQj5ORJY0L4Ko1my4mjvi4MTxZb8Iy w X-Google-Smtp-Source: AGHT+IHml7PnlzY70ROiQDm8q6GpTmp5IllcCLur2HKBKpWKRv8G9ePHzBOEQEuvxm3P3it5eE7oSg== X-Received: by 2002:a2e:b8c9:0:b0:2fa:fdd1:be23 with SMTP id 38308e7fff4ca-2fcbe0646e6mr149162631fa.28.1730348548194; Wed, 30 Oct 2024 21:22:28 -0700 (PDT) Received: from localhost.localdomain ([91.223.100.208]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-2fdef8a62d6sm965961fa.86.2024.10.30.21.22.22 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 30 Oct 2024 21:22:26 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Pierrick Bouvier Subject: [PULL 03/14] target/mips: Extract decode_64bit_enabled() helper Date: Thu, 31 Oct 2024 01:21:19 -0300 Message-ID: <20241031042130.98450-4-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241031042130.98450-1-philmd@linaro.org> References: <20241031042130.98450-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::22e; envelope-from=philmd@linaro.org; helo=mail-lj1-x22e.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 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Extract the decode_64bit_enabled() helper which detects whether CPUs can run 64-bit instructions. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Pierrick Bouvier Message-Id: <20241026175349.84523-2-philmd@linaro.org> --- target/mips/tcg/translate.h | 2 ++ target/mips/tcg/translate.c | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/target/mips/tcg/translate.h b/target/mips/tcg/translate.h index 5d196e69ac4..ae6c25aa0c4 100644 --- a/target/mips/tcg/translate.h +++ b/target/mips/tcg/translate.h @@ -217,6 +217,8 @@ void msa_translate_init(void); void mxu_translate_init(void); bool decode_ase_mxu(DisasContext *ctx, uint32_t insn); +bool decode_64bit_enabled(DisasContext *ctx); + /* decodetree generated */ bool decode_isa_rel6(DisasContext *ctx, uint32_t insn); bool decode_ase_msa(DisasContext *ctx, uint32_t insn); diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index d92fc418edd..6c881af5618 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -1645,13 +1645,18 @@ static inline void check_ps(DisasContext *ctx) check_cp1_64bitmode(ctx); } +bool decode_64bit_enabled(DisasContext *ctx) +{ + return ctx->hflags & MIPS_HFLAG_64; +} + /* * This code generates a "reserved instruction" exception if cpu is not * 64-bit or 64-bit instructions are not enabled. */ void check_mips_64(DisasContext *ctx) { - if (unlikely((TARGET_LONG_BITS != 64) || !(ctx->hflags & MIPS_HFLAG_64))) { + if (unlikely((TARGET_LONG_BITS != 64) || !decode_64bit_enabled(ctx))) { gen_reserved_instruction(ctx); } }