From nobody Mon Nov 25 14:27:37 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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=fail(p=none dis=none) header.from=eik.bme.hu Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1715127677729903.5487767432812; Tue, 7 May 2024 17:21:17 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s4Uyn-0008Az-5H; Tue, 07 May 2024 20:16:17 -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 1s4Uxh-00070r-0q; Tue, 07 May 2024 20:15:12 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s4Uxe-0003c9-FP; Tue, 07 May 2024 20:15:08 -0400 Received: from zero.eik.bme.hu (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id BD89E4E65CD; Wed, 08 May 2024 02:15:03 +0200 (CEST) Received: from zero.eik.bme.hu ([127.0.0.1]) by zero.eik.bme.hu (zero.eik.bme.hu [127.0.0.1]) (amavisd-new, port 10028) with ESMTP id 09f87ZUHSezh; Wed, 8 May 2024 02:15:01 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id CE2524E65BB; Wed, 08 May 2024 02:15:01 +0200 (CEST) X-Virus-Scanned: amavisd-new at eik.bme.hu Message-Id: <31d941a8fb27034147c8376ee26d446fb0c2cc06.1715125376.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v3 09/33] target/ppc/mmu_common.c: Introduce mmu6xx_get_physical_address() MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: Nicholas Piggin , Daniel Henrique Barboza Date: Wed, 08 May 2024 02:15:01 +0200 (CEST) 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=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1715127679528100006 Content-Type: text/plain; charset="utf-8" Repurpose get_segment_6xx_tlb() to do the whole address translation for POWERPC_MMU_SOFT_6xx MMU model by moving the BAT check there and renaming it to match other similar functions. These are only called once together so no need to keep these separate functions and combining them simplifies the caller allowing further restructuring. Signed-off-by: BALATON Zoltan Reviewed-by: Nicholas Piggin --- target/ppc/mmu_common.c | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c index aa137123a4..181273579b 100644 --- a/target/ppc/mmu_common.c +++ b/target/ppc/mmu_common.c @@ -360,19 +360,23 @@ static int get_bat_6xx_tlb(CPUPPCState *env, mmu_ctx_= t *ctx, return ret; } =20 -/* Perform segment based translation */ -static int get_segment_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx, - target_ulong eaddr, MMUAccessType access_ty= pe, - int type) +static int mmu6xx_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx, + target_ulong eaddr, + MMUAccessType access_type, int type) { PowerPCCPU *cpu =3D env_archcpu(env); hwaddr hash; - target_ulong vsid; + target_ulong vsid, sr, pgidx; int ds, target_page_bits; bool pr; int ret; - target_ulong sr, pgidx; =20 + /* First try to find a BAT entry if there are any */ + if (env->nb_BATs && get_bat_6xx_tlb(env, ctx, eaddr, access_type) =3D= =3D 0) { + return 0; + } + + /* Perform segment based translation when no BATs matched */ pr =3D FIELD_EX64(env->msr, MSR, PR); ctx->eaddr =3D eaddr; =20 @@ -1194,14 +1198,8 @@ int get_physical_address_wtlb(CPUPPCState *env, mmu_= ctx_t *ctx, if (real_mode) { ret =3D check_physical(env, ctx, eaddr, access_type); } else { - /* Try to find a BAT */ - if (env->nb_BATs !=3D 0) { - ret =3D get_bat_6xx_tlb(env, ctx, eaddr, access_type); - } - if (ret < 0) { - /* We didn't match any BAT entry or don't have BATs */ - ret =3D get_segment_6xx_tlb(env, ctx, eaddr, access_type, = type); - } + ret =3D mmu6xx_get_physical_address(env, ctx, eaddr, access_ty= pe, + type); } break; =20 --=20 2.30.9