From patchwork Wed May 8 23:36:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 13659227 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 802BBC04FFE for ; Wed, 8 May 2024 23:38:18 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s4qpy-0003lt-AP; Wed, 08 May 2024 19:36:38 -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 1s4qpw-0003b8-GL; Wed, 08 May 2024 19:36:36 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s4qpu-0002dQ-Ol; Wed, 08 May 2024 19:36:36 -0400 Received: from zero.eik.bme.hu (localhost [127.0.0.1]) by zero.eik.bme.hu (Postfix) with ESMTP id 3FB7B4E65D9; Thu, 09 May 2024 01:36:33 +0200 (CEST) X-Virus-Scanned: amavisd-new at eik.bme.hu 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 EHl36qyRfr46; Thu, 9 May 2024 01:36:31 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 546334E65D4; Thu, 09 May 2024 01:36:31 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v4 27/33] target/ppc/mmu_common.c: Simplify ppc_booke_xlate() part 2 MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: Nicholas Piggin , Daniel Henrique Barboza Date: Thu, 09 May 2024 01:36:31 +0200 (CEST) Received-SPF: pass client-ip=2001:738:2001:2001::2001; 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Merge the code fetch and data access cases in a common switch. Signed-off-by: BALATON Zoltan Reviewed-by: Nicholas Piggin --- target/ppc/mmu_common.c | 52 ++++++++++++++++------------------------- 1 file changed, 20 insertions(+), 32 deletions(-) diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c index bb49721004..1d56dca8ba 100644 --- a/target/ppc/mmu_common.c +++ b/target/ppc/mmu_common.c @@ -1195,45 +1195,33 @@ static bool ppc_booke_xlate(PowerPCCPU *cpu, vaddr eaddr, log_cpu_state_mask(CPU_LOG_MMU, cs, 0); env->error_code = 0; - if (ret == -1) { + switch (ret) { + case -1: + /* No matches in page tables or TLB */ if (env->mmu_model == POWERPC_MMU_BOOKE206) { booke206_update_mas_tlb_miss(env, eaddr, access_type, mmu_idx); } - } - if (access_type == MMU_INST_FETCH) { - switch (ret) { - case -1: - /* No matches in page tables or TLB */ - cs->exception_index = POWERPC_EXCP_ITLB; - env->spr[SPR_BOOKE_DEAR] = eaddr; - env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type); - break; - case -2: - /* Access rights violation */ - cs->exception_index = POWERPC_EXCP_ISI; - break; - case -3: - /* No execute protection violation */ - cs->exception_index = POWERPC_EXCP_ISI; - env->spr[SPR_BOOKE_ESR] = 0; - break; - } - } else { - switch (ret) { - case -1: - /* No matches in page tables or TLB */ - cs->exception_index = POWERPC_EXCP_DTLB; - env->spr[SPR_BOOKE_DEAR] = eaddr; - env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type); - break; - case -2: - /* Access rights violation */ - cs->exception_index = POWERPC_EXCP_DSI; + cs->exception_index = (access_type == MMU_INST_FETCH) ? + POWERPC_EXCP_ITLB : POWERPC_EXCP_DTLB; + env->spr[SPR_BOOKE_DEAR] = eaddr; + env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type); + break; + case -2: + /* Access rights violation */ + cs->exception_index = (access_type == MMU_INST_FETCH) ? + POWERPC_EXCP_ISI : POWERPC_EXCP_DSI; + if (access_type != MMU_INST_FETCH) { env->spr[SPR_BOOKE_DEAR] = eaddr; env->spr[SPR_BOOKE_ESR] = mmubooke206_esr(mmu_idx, access_type); - break; } + break; + case -3: + /* No execute protection violation */ + cs->exception_index = POWERPC_EXCP_ISI; + env->spr[SPR_BOOKE_ESR] = 0; + break; } + return false; }