From patchwork Thu Oct 31 04:21:28 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: 13857563 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 D1794E68953 for ; Thu, 31 Oct 2024 04:24:56 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t6Mjq-00049B-71; Thu, 31 Oct 2024 00:24:50 -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 1t6Mjn-00042p-Tl for qemu-devel@nongnu.org; Thu, 31 Oct 2024 00:24:47 -0400 Received: from mail-lf1-x132.google.com ([2a00:1450:4864:20::132]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1t6Mjj-0006xB-Pl for qemu-devel@nongnu.org; Thu, 31 Oct 2024 00:24:46 -0400 Received: by mail-lf1-x132.google.com with SMTP id 2adb3069b0e04-539d9fffea1so474386e87.2 for ; Wed, 30 Oct 2024 21:24:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1730348681; x=1730953481; 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=HAp5Ln/TOaBbXfbAl+alUE9uLY3Kuq1n+bXOlaVNwGY=; b=vbJux36xnan/fCLg95ptgXmV34ulseeodYyMotBlRDMr3D71dibw5q1+HO7XlMkiP/ I6fQAfC4SUzOUouLAQV0Jd+zlKe+F1UCVaUiNi0vj23qygMUddeAdn1WTSXI9Dad1yQI RYS9pM74zmItPPWuJkFcq3L8g+8oi7KxzVnNZ1G4i4/TKPxUg6IfL5sLMng7HNbdnGap QwrxjVBFiztYBVWGmnDsqOUDH3+GcC1Uu9p/aAFXRhwRM+Q94kdOQfng5HCDNte4GmeP KKh4wHRDH0orTBoHBtqcffV/ngbKBGhngtmNoNMjJGRei35y4KsqVKugCoby9w3qjhbo s1hg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730348681; x=1730953481; 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=HAp5Ln/TOaBbXfbAl+alUE9uLY3Kuq1n+bXOlaVNwGY=; b=XRw4C84g7w0VMK/vhyxf97mEtb1YCkz9w2Yyb6bHGUDhuCtPZHWJpDERuImv+yalyn nNNwvWCdoY3UZb2T+EuVvTgHUQDMWHrJheOtRPTuuwynbpZclvqLUpHHPdqEuhBdFThG 6Hc2gV8XndWjyF1mhX8dtBlIF056QX0a7JQwrJKF0TYIr9WNMnOWpUdXfhHL0jzO38rL MGYzPwDsQCbdOz4aksHJ0OQI1DYkCXUYzcBOzTR53MjDSGQTT3Aut7DRo4bpqOG5V0gp 7qekadS6z0JSr+9/mweZDteMyHmUFFzHHqjapqFdlQZgN+DO7t9y6XUeskA3IKxBfa65 f4AQ== X-Gm-Message-State: AOJu0YzB4k3GE0ldg79L9j+d5Ng6MUes20pfgbA6G+wrcQ2ZL6NlnIbu /Sor0d+ub/L6ePeLa4iH7Vi98YSs4yBxSrhvJpTWgY20VprVjTYADZ6VEuA8uzej20NluWpvCpV a X-Google-Smtp-Source: AGHT+IH6y/pZO71fZRlg4nagsLC2t0HQ9fnERFKUMYn5Bm93J6W8iKENYtsS4xGCuPp6xadF5a3VCg== X-Received: by 2002:a05:6512:2210:b0:539:adb0:b91 with SMTP id 2adb3069b0e04-53b34c8ee46mr7084370e87.57.1730348681405; Wed, 30 Oct 2024 21:24:41 -0700 (PDT) Received: from localhost.localdomain ([91.223.100.208]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53c7bc95941sm77940e87.50.2024.10.30.21.24.37 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 30 Oct 2024 21:24:40 -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?= , Richard Henderson Subject: [PULL 12/14] target/mips: Introduce ase_3d_available() helper Date: Thu, 31 Oct 2024 01:21:28 -0300 Message-ID: <20241031042130.98450-13-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::132; envelope-from=philmd@linaro.org; helo=mail-lf1-x132.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 Determine if the MIPS-3D ASE is implemented by checking the state of the 3D bit in the FIR CP1 control register. Remove the then unused ASE_MIPS3D definition. Note, this allows using MIPS-3D on the mips64dspr2 model. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20241021145832.34920-1-philmd@linaro.org> --- target/mips/cpu.h | 6 ++++++ target/mips/mips-defs.h | 1 - target/mips/tcg/translate.c | 8 ++++++-- target/mips/cpu-defs.c.inc | 4 ++-- target/mips/tcg/micromips_translate.c.inc | 5 ++++- 5 files changed, 18 insertions(+), 6 deletions(-) diff --git a/target/mips/cpu.h b/target/mips/cpu.h index a4a46ebbe98..3dbfbfdb3d3 100644 --- a/target/mips/cpu.h +++ b/target/mips/cpu.h @@ -1319,6 +1319,12 @@ bool cpu_type_supports_cps_smp(const char *cpu_type); bool cpu_supports_isa(const CPUMIPSState *env, uint64_t isa_mask); bool cpu_type_supports_isa(const char *cpu_type, uint64_t isa); +/* Check presence of MIPS-3D ASE */ +static inline bool ase_3d_available(const CPUMIPSState *env) +{ + return env->active_fpu.fcr0 & (1 << FCR0_3D); +} + /* Check presence of MSA implementation */ static inline bool ase_msa_available(CPUMIPSState *env) { diff --git a/target/mips/mips-defs.h b/target/mips/mips-defs.h index a6cebe0265c..6b5cd0d8f53 100644 --- a/target/mips/mips-defs.h +++ b/target/mips/mips-defs.h @@ -26,7 +26,6 @@ * bits 24-39: MIPS ASEs */ #define ASE_MIPS16 0x0000000001000000ULL -#define ASE_MIPS3D 0x0000000002000000ULL #define ASE_MDMX 0x0000000004000000ULL #define ASE_DSP 0x0000000008000000ULL #define ASE_DSP_R2 0x0000000010000000ULL diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index 2d01f5c4a8b..9a3ae10a919 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -14710,7 +14710,9 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) } else { /* OPC_BC1ANY2 */ check_cop1x(ctx); - check_insn(ctx, ASE_MIPS3D); + if (!ase_3d_available(env)) { + return false; + } gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), (rt >> 2) & 0x7, imm << 2); } @@ -14725,7 +14727,9 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) check_cp1_enabled(ctx); check_insn_opc_removed(ctx, ISA_MIPS_R6); check_cop1x(ctx); - check_insn(ctx, ASE_MIPS3D); + if (!ase_3d_available(env)) { + return false; + } /* fall through */ case OPC_BC1: check_cp1_enabled(ctx); diff --git a/target/mips/cpu-defs.c.inc b/target/mips/cpu-defs.c.inc index 1ab026c57e7..09bd62d430a 100644 --- a/target/mips/cpu-defs.c.inc +++ b/target/mips/cpu-defs.c.inc @@ -663,7 +663,7 @@ const mips_def_t mips_defs[] = .CP1_fcr31_rw_bitmask = 0xFF83FFFF, .SEGBITS = 40, .PABITS = 36, - .insn_flags = CPU_MIPS64R1 | ASE_MIPS3D, + .insn_flags = CPU_MIPS64R1, .mmu_type = MMU_TYPE_R4000, }, { @@ -692,7 +692,7 @@ const mips_def_t mips_defs[] = .CP1_fcr31_rw_bitmask = 0xFF83FFFF, .SEGBITS = 42, .PABITS = 36, - .insn_flags = CPU_MIPS64R2 | ASE_MIPS3D, + .insn_flags = CPU_MIPS64R2, .mmu_type = MMU_TYPE_R4000, }, { diff --git a/target/mips/tcg/micromips_translate.c.inc b/target/mips/tcg/micromips_translate.c.inc index 3cbf53bf2b3..c479bec1081 100644 --- a/target/mips/tcg/micromips_translate.c.inc +++ b/target/mips/tcg/micromips_translate.c.inc @@ -2484,7 +2484,10 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx) mips32_op = OPC_BC1TANY4; do_cp1mips3d: check_cop1x(ctx); - check_insn(ctx, ASE_MIPS3D); + if (!ase_3d_available(env)) { + gen_reserved_instruction(ctx); + break; + } /* Fall through */ do_cp1branch: if (env->CP0_Config1 & (1 << CP0C1_FP)) {