From patchwork Sat Oct 26 17:53:41 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: 13852311 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 17BFCD10C01 for ; Sat, 26 Oct 2024 17:55:05 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t4kzH-0008Or-QP; Sat, 26 Oct 2024 13:54:07 -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 1t4kzF-0008Ns-Gm for qemu-devel@nongnu.org; Sat, 26 Oct 2024 13:54:05 -0400 Received: from mail-pl1-x62f.google.com ([2607:f8b0:4864:20::62f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1t4kzD-0003js-O5 for qemu-devel@nongnu.org; Sat, 26 Oct 2024 13:54:05 -0400 Received: by mail-pl1-x62f.google.com with SMTP id d9443c01a7336-20c805a0753so29554265ad.0 for ; Sat, 26 Oct 2024 10:54:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1729965242; x=1730570042; 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=KpfAMGmyWm4pigvyIOxRZMUq0CTvdaeELUk7R48DMKQ=; b=VTHV8y87dPbSTG2T6XnXMR9xtzQjgJYLGU51nvj7CY3D8cLKsA7pM0a0iVl99oyO1i cJYTFeB0NubPG8wet7QYvH/MzdQjFL/hdy2GEbXZh5plahoDqPNNKBarfdBKGzEoJ/DY AKCKx/pbjIMuiEIJCsSDyiaCdPkpUtYMfB0gXCFj6MmQtOfr0s+DVX2uCI2SDrlvRFK3 OqqwZLaNthOtzkQbbXpBhmSx+QGqf/ikSfzu88bLWsJJNEmDbJ1KiiWQ514KybV3H7hw 7pBMZ5lwP1JhpzoGBpRSEWl+sNtvReOeWtuZoeaBg2JIsSwBWSlmXS3ZfU8ETS81U/j2 vQpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729965242; x=1730570042; 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=KpfAMGmyWm4pigvyIOxRZMUq0CTvdaeELUk7R48DMKQ=; b=kAowXKggxhcosuaj4KJ39OhLQItEbbomulfRT6EDh4zX5u+eNG8gavZDCw5+mdhTaK HtwU/HImFO1b0Yz4yx+0dGISxAk8HZmWr3z80rj+3IARlu//Hf3Milft3LZSTI+ouZ4/ 2xR+tti7rCTXEBMXufUth+KfNy1+IXj9nslF1O7ETrJUEHn/tNRjpRvelJuP4wEjvsU/ XwmP34dHhY45pIt7SaHp2fNz1MYrJjMDFSDBlP7iwUYTx3/N0uWy6QpczJWMDFSzO8Vp kCZZ3w6Wa01pFyWAF9uwGNLRITYkdzcB5tErhgp4Owu/juZP4TB9T4tXBa6HDmRVudy8 g9FQ== X-Gm-Message-State: AOJu0Yzjmt1/92Bjitvgaim/eVGHW9Q1VehkvGJimAbfl8lMJecsW5d2 TW7vbM45v7rlKzmpgDJeZgK4QvzxF/NX8njq8LTp1c03JWh6pxpAvA1Hzp+vAdi4q1sC0g/t/W0 Y X-Google-Smtp-Source: AGHT+IEKCgv2GcJkl5toeLO9WZV+4NK/JDm0V5bLon8tKImk90vZUGMteiWImRLXG5d+CIJWYCkI8g== X-Received: by 2002:a17:902:dac9:b0:20e:57c8:6aae with SMTP id d9443c01a7336-210c6879841mr50526365ad.3.1729965241944; Sat, 26 Oct 2024 10:54:01 -0700 (PDT) Received: from localhost.localdomain ([45.176.88.169]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-210bbf84597sm26208485ad.111.2024.10.26.10.54.00 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sat, 26 Oct 2024 10:54:01 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Aurelien Jarno , Jiaxun Yang , Aleksandar Rikalo , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= , Aleksandar Rikalo Subject: [PATCH v3 1/9] target/mips: Extract decode_64bit_enabled() helper Date: Sat, 26 Oct 2024 14:53:41 -0300 Message-ID: <20241026175349.84523-2-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241026175349.84523-1-philmd@linaro.org> References: <20241026175349.84523-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=philmd@linaro.org; helo=mail-pl1-x62f.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 2.1.29 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 --- 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); } }