From nobody Thu Sep 19 01:02:48 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1721351358; cv=none; d=zohomail.com; s=zohoarc; b=Y9dCC/nR72X8q/0ffO7gjJBaUM2pXE4BjX5MEKNG+wf/EmtKpu1CxxoivUucVSPC25NbIPF5ha2Q0xCRpcVvX3v6CtoLekbZOGn5ffCzj/UDwDNwEbDakZcn7bBnpuVcIXu/xya9uhQ7I2cOs1vkNTIg/EfyORPSSqxADhWduJ4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721351358; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=vMEEORHFY/5AJeKs7AXO2kip576OxvLWKFUcuNYKW6c=; b=BfahA4//h16qtKnhtkW+I/3nPxss5qk9a1onPhrbANnToXW3swAoMqr8D6w3H40m2QP4KKUvlIB8G6jL7kn4Sg4T+Cwjs8iCrEzuB63smNrgPF1r4qD4nsszMe+9xWHTnJaWGwl4syE1T+Dg2et1TTLHqSSiuJ2nbgXnbXWv178= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721351358805739.0127697450525; Thu, 18 Jul 2024 18:09:18 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUc6l-0005vs-JC; Thu, 18 Jul 2024 21:08:27 -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 1sUc62-0003Tp-PT for qemu-devel@nongnu.org; Thu, 18 Jul 2024 21:07:44 -0400 Received: from mail-pl1-x629.google.com ([2607:f8b0:4864:20::629]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUc5y-0000oF-N7 for qemu-devel@nongnu.org; Thu, 18 Jul 2024 21:07:41 -0400 Received: by mail-pl1-x629.google.com with SMTP id d9443c01a7336-1fc658b6b2eso9408185ad.0 for ; Thu, 18 Jul 2024 18:07:37 -0700 (PDT) Received: from stoup.. ([203.56.128.103]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fd64d07ad9sm2067415ad.177.2024.07.18.18.07.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jul 2024 18:07:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1721351256; x=1721956056; 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=vMEEORHFY/5AJeKs7AXO2kip576OxvLWKFUcuNYKW6c=; b=uFWfHCsOzEFDKVpv3bEq9FU9tl93BofivGm38wbi4M/bCQzU+nCQ1CqreYZzhZjcl8 2oq8oXy7KRtRW6ES1YYxn3EHzZoSQE9JFKtBzdsEnhmNQbvLewMUviDIEGccBzBlRwr5 TwIxOi0JaXb3/+A+kpclmwQclW7iTmwcuFqwYf6FLcWujWbMPotVDAc6voly6KrVReJ0 PcXj3zfYVD8UJ6zaEAUAOKaU5mTEd8rJB10fn/DNGuzjptBawxQHmpjQ5vQJZPbfGl5j aVa8ZGTsUF/iekekupPhtOcg2X5IAZCIV/v3QnEr0jRE4HqRKSMd6lN/mtK+Es1yMZ3B NPEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721351256; x=1721956056; 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=vMEEORHFY/5AJeKs7AXO2kip576OxvLWKFUcuNYKW6c=; b=v3KrlxWzFVBYdtJQYLgJnbB2GzeJ6kXDG8ehxX0QvzoHeL6sdqBJFFpqhQnXJSpOOf Ozav9FM5UN6rMDRKy7e8X6JbZBTW6mgTjnQK8hJDe84/4y6MeFPsa4Jl/4PpBYVsGar2 XXOd8vC+djboJRzhwIRfBh8IiT/YYc0uKD45jlTBcczTMgCJQTlwkJaSCJbquFpv7K7v BlNZfxHk257XujB3fCp+YdpbByPuoyMgHvFAUBH85xqEzuPb/BECwlzSqruxM3Bu74IV 7mhrOcr7WDm25PDkjX4CfgLmnJ0Gxd1wj7Bp154BnnloxNcei+QEzXtrzejSg5W/4gnR Z6jA== X-Gm-Message-State: AOJu0Yx2zurFuJGpJNRSOwAgXZShN04HloqeUoba1f81uGDuJIISN7QX 1GWqKMJznW1bk/fba8hz8jzDWVCpJHaoZ6qcNbKJHb1dankCJdCbADvduMZpK+nb7byI7aRo+lK eUP84ZQ== X-Google-Smtp-Source: AGHT+IFJIQDUuu0/EOFFle+gZ7LYLHCduHhq26cr0sEkJHzKeE9ySJm9w09NCOosESs3piIBKdpjVQ== X-Received: by 2002:a17:902:ec89:b0:1fb:8466:7df3 with SMTP id d9443c01a7336-1fc4e567292mr61058435ad.28.1721351256302; Thu, 18 Jul 2024 18:07:36 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-ppc@nongu.org, qemu-s390x@nongnu.org, qemu-riscv@nongnu.org, Nicholas Piggin , BALATON Zoltan Subject: [PATCH v3 06/12] target/ppc: Split out helper_dbczl for 970 Date: Fri, 19 Jul 2024 11:07:01 +1000 Message-ID: <20240719010707.1319675-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240719010707.1319675-1-richard.henderson@linaro.org> References: <20240719010707.1319675-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.google.com X-Spam_score_int: 37 X-Spam_score: 3.7 X-Spam_bar: +++ X-Spam_report: (3.7 / 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, SUSPICIOUS_RECIPS=2.51 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1721351360828116600 Content-Type: text/plain; charset="utf-8" We can determine at translation time whether the insn is or is not dbczl. We must retain a runtime check against the HID5 register, but we can move that to a separate function that never affects other ppc models. Reviewed-by: Nicholas Piggin Reviewed-by: BALATON Zoltan Signed-off-by: Richard Henderson --- target/ppc/helper.h | 7 +++++-- target/ppc/mem_helper.c | 34 +++++++++++++++++++++------------- target/ppc/translate.c | 24 ++++++++++++++---------- 3 files changed, 40 insertions(+), 25 deletions(-) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 76b8f25c77..afc56855ff 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -46,8 +46,11 @@ DEF_HELPER_FLAGS_3(stmw, TCG_CALL_NO_WG, void, env, tl, = i32) DEF_HELPER_4(lsw, void, env, tl, i32, i32) DEF_HELPER_5(lswx, void, env, tl, i32, i32, i32) DEF_HELPER_FLAGS_4(stsw, TCG_CALL_NO_WG, void, env, tl, i32, i32) -DEF_HELPER_FLAGS_3(dcbz, TCG_CALL_NO_WG, void, env, tl, i32) -DEF_HELPER_FLAGS_3(dcbzep, TCG_CALL_NO_WG, void, env, tl, i32) +DEF_HELPER_FLAGS_2(dcbz, TCG_CALL_NO_WG, void, env, tl) +DEF_HELPER_FLAGS_2(dcbzep, TCG_CALL_NO_WG, void, env, tl) +#ifdef TARGET_PPC64 +DEF_HELPER_FLAGS_2(dcbzl, TCG_CALL_NO_WG, void, env, tl) +#endif DEF_HELPER_FLAGS_2(icbi, TCG_CALL_NO_WG, void, env, tl) DEF_HELPER_FLAGS_2(icbiep, TCG_CALL_NO_WG, void, env, tl) DEF_HELPER_5(lscbx, tl, env, tl, i32, i32, i32) diff --git a/target/ppc/mem_helper.c b/target/ppc/mem_helper.c index 5067919ff8..d4957efd6e 100644 --- a/target/ppc/mem_helper.c +++ b/target/ppc/mem_helper.c @@ -296,26 +296,34 @@ static void dcbz_common(CPUPPCState *env, target_ulon= g addr, } } =20 -void helper_dcbz(CPUPPCState *env, target_ulong addr, uint32_t opcode) +void helper_dcbz(CPUPPCState *env, target_ulong addr) { - int dcbz_size =3D env->dcache_line_size; - -#if defined(TARGET_PPC64) - /* Check for dcbz vs dcbzl on 970 */ - if (env->excp_model =3D=3D POWERPC_EXCP_970 && - !(opcode & 0x00200000) && ((env->spr[SPR_970_HID5] >> 7) & 0x3) = =3D=3D 1) { - dcbz_size =3D 32; - } -#endif - - dcbz_common(env, addr, dcbz_size, ppc_env_mmu_index(env, false), GETPC= ()); + dcbz_common(env, addr, env->dcache_line_size, + ppc_env_mmu_index(env, false), GETPC()); } =20 -void helper_dcbzep(CPUPPCState *env, target_ulong addr, uint32_t opcode) +void helper_dcbzep(CPUPPCState *env, target_ulong addr) { dcbz_common(env, addr, env->dcache_line_size, PPC_TLB_EPID_STORE, GETP= C()); } =20 +#ifdef TARGET_PPC64 +void helper_dcbzl(CPUPPCState *env, target_ulong addr) +{ + int dcbz_size =3D env->dcache_line_size; + + /* + * The translator checked for POWERPC_EXCP_970. + * All that's left is to check HID5. + */ + if (((env->spr[SPR_970_HID5] >> 7) & 0x3) =3D=3D 1) { + dcbz_size =3D 32; + } + + dcbz_common(env, addr, dcbz_size, ppc_env_mmu_index(env, false), GETPC= ()); +} +#endif + void helper_icbi(CPUPPCState *env, target_ulong addr) { addr &=3D ~(env->dcache_line_size - 1); diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 0bc16d7251..9e472ab7ef 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -178,6 +178,7 @@ struct DisasContext { /* Translation flags */ MemOp default_tcg_memop_mask; #if defined(TARGET_PPC64) + powerpc_excp_t excp_model; bool sf_mode; bool has_cfar; bool has_bhrb; @@ -4445,27 +4446,29 @@ static void gen_dcblc(DisasContext *ctx) /* dcbz */ static void gen_dcbz(DisasContext *ctx) { - TCGv tcgv_addr; - TCGv_i32 tcgv_op; + TCGv tcgv_addr =3D tcg_temp_new(); =20 gen_set_access_type(ctx, ACCESS_CACHE); - tcgv_addr =3D tcg_temp_new(); - tcgv_op =3D tcg_constant_i32(ctx->opcode & 0x03FF000); gen_addr_reg_index(ctx, tcgv_addr); - gen_helper_dcbz(tcg_env, tcgv_addr, tcgv_op); + +#ifdef TARGET_PPC64 + if (ctx->excp_model =3D=3D POWERPC_EXCP_970 && !(ctx->opcode & 0x00200= 000)) { + gen_helper_dcbzl(tcg_env, tcgv_addr); + return; + } +#endif + + gen_helper_dcbz(tcg_env, tcgv_addr); } =20 /* dcbzep */ static void gen_dcbzep(DisasContext *ctx) { - TCGv tcgv_addr; - TCGv_i32 tcgv_op; + TCGv tcgv_addr =3D tcg_temp_new(); =20 gen_set_access_type(ctx, ACCESS_CACHE); - tcgv_addr =3D tcg_temp_new(); - tcgv_op =3D tcg_constant_i32(ctx->opcode & 0x03FF000); gen_addr_reg_index(ctx, tcgv_addr); - gen_helper_dcbzep(tcg_env, tcgv_addr, tcgv_op); + gen_helper_dcbzep(tcg_env, tcgv_addr); } =20 /* dst / dstt */ @@ -6486,6 +6489,7 @@ static void ppc_tr_init_disas_context(DisasContextBas= e *dcbase, CPUState *cs) ctx->default_tcg_memop_mask =3D ctx->le_mode ? MO_LE : MO_BE; ctx->flags =3D env->flags; #if defined(TARGET_PPC64) + ctx->excp_model =3D env->excp_model; ctx->sf_mode =3D (hflags >> HFLAGS_64) & 1; ctx->has_cfar =3D !!(env->flags & POWERPC_FLAG_CFAR); ctx->has_bhrb =3D !!(env->flags & POWERPC_FLAG_BHRB); --=20 2.43.0