From patchwork Wed May 19 12:51:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 12267343 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5A13C433ED for ; Wed, 19 May 2021 13:28:13 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8EE5B60E08 for ; Wed, 19 May 2021 13:28:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8EE5B60E08 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48944 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ljMFA-0007jd-Ln for qemu-devel@archiver.kernel.org; Wed, 19 May 2021 09:28:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33726) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljLho-0002Ow-TG; Wed, 19 May 2021 08:53:44 -0400 Received: from ozlabs.org ([2401:3900:2:1::2]:49581) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljLhl-0001kP-Rw; Wed, 19 May 2021 08:53:44 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 4FlXnt1gTgz9sPf; Wed, 19 May 2021 22:52:17 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1621428738; bh=sipivPMIlLrzXZG/dcDLE4GTPmzZmFYDG/cqAob/gEY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FacMkJ3Rgoa6b8AAR2Pz2c7vlQDswNtxeiDHx2v3xHSfVSRbsD3dGB0coG0X2wGW0 5jxAkrspfsYhbFgKP7WwC6+fSL0Yr8Jmg5xoNaD7rFnQ1wqmFV777wP8OjjazRgCtr HNPIAXT/n2YQoc+du3pfhUOxIwK46m4d+in+qVIA= From: David Gibson To: peter.maydell@linaro.org, groug@kaod.org Subject: [PULL 45/48] target/ppc: Remove type argument from mmubooke_check_tlb Date: Wed, 19 May 2021 22:51:45 +1000 Message-Id: <20210519125148.27720-46-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210519125148.27720-1-david@gibson.dropbear.id.au> References: <20210519125148.27720-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Received-SPF: pass client-ip=2401:3900:2:1::2; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_PASS=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: richard.henderson@linaro.org, qemu-ppc@nongnu.org, qemu-devel@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson We can now use MMU_INST_FETCH from access_type for this. Unify the I/D code paths, making use of prot_for_access_type. Signed-off-by: Richard Henderson Message-Id: <20210518201146.794854-13-richard.henderson@linaro.org> Signed-off-by: David Gibson --- target/ppc/mmu_helper.c | 44 ++++++++++++----------------------------- 1 file changed, 13 insertions(+), 31 deletions(-) diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c index 1426973b4d..4e5cc11b44 100644 --- a/target/ppc/mmu_helper.c +++ b/target/ppc/mmu_helper.c @@ -738,9 +738,9 @@ void store_40x_sler(CPUPPCState *env, uint32_t val) static int mmubooke_check_tlb(CPUPPCState *env, ppcemb_tlb_t *tlb, hwaddr *raddr, int *prot, target_ulong address, - MMUAccessType access_type, int type, int i) + MMUAccessType access_type, int i) { - int ret, prot2; + int prot2; if (ppcemb_tlb_check(env, tlb, raddr, address, env->spr[SPR_BOOKE_PID], @@ -772,37 +772,19 @@ found_tlb: } /* Check the address space */ - if (type == ACCESS_CODE) { - if (msr_ir != (tlb->attr & 1)) { - LOG_SWTLB("%s: AS doesn't match\n", __func__); - return -1; - } - - *prot = prot2; - if (prot2 & PAGE_EXEC) { - LOG_SWTLB("%s: good TLB!\n", __func__); - return 0; - } - - LOG_SWTLB("%s: no PAGE_EXEC: %x\n", __func__, prot2); - ret = -3; - } else { - if (msr_dr != (tlb->attr & 1)) { - LOG_SWTLB("%s: AS doesn't match\n", __func__); - return -1; - } - - *prot = prot2; - if (prot2 & (access_type == MMU_DATA_LOAD ? PAGE_READ : PAGE_WRITE)) { - LOG_SWTLB("%s: found TLB!\n", __func__); - return 0; - } + if ((access_type == MMU_INST_FETCH ? msr_ir : msr_dr) != (tlb->attr & 1)) { + LOG_SWTLB("%s: AS doesn't match\n", __func__); + return -1; + } - LOG_SWTLB("%s: PAGE_READ/WRITE doesn't match: %x\n", __func__, prot2); - ret = -2; + *prot = prot2; + if (prot2 & prot_for_access_type(access_type)) { + LOG_SWTLB("%s: good TLB!\n", __func__); + return 0; } - return ret; + LOG_SWTLB("%s: no prot match: %x\n", __func__, prot2); + return access_type == MMU_INST_FETCH ? -3 : -2; } static int mmubooke_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx, @@ -819,7 +801,7 @@ static int mmubooke_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx, for (i = 0; i < env->nb_tlb; i++) { tlb = &env->tlb.tlbe[i]; ret = mmubooke_check_tlb(env, tlb, &raddr, &ctx->prot, address, - access_type, type, i); + access_type, i); if (ret != -1) { break; }