From patchwork Thu Jul 25 23:53:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicholas Piggin X-Patchwork-Id: 13742326 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 229F6C3DA49 for ; Fri, 26 Jul 2024 00:09:41 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sX8Mb-0002Xn-48; Thu, 25 Jul 2024 19:59:13 -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 1sX8MW-0002K0-OP; Thu, 25 Jul 2024 19:59:08 -0400 Received: from mail-pf1-x436.google.com ([2607:f8b0:4864:20::436]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sX8MU-0001hG-Sz; Thu, 25 Jul 2024 19:59:08 -0400 Received: by mail-pf1-x436.google.com with SMTP id d2e1a72fcca58-70d1dadd5e9so422512b3a.2; Thu, 25 Jul 2024 16:59:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721951945; x=1722556745; 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=No4XG6t6wkH9PxiFN/jhvxdmpl9tgi1IP4LVoGa+/Y8=; b=IOyEJvzRuBnY56U+hPige7Ue7sZ/4VinCcb2ZefCewp8tUx8IFjaVCOuClaqEdlGJh oRhnSgF1aTz8PMEtkRoXWhOr4UXv79BdMaaCYTJ48Yz8dxhhwJqC+8eAmR0MUbb8K61D k1IwzAvrM47TjLGe7Avn5nEuVl9zLDXwUKAmPzbqxWpqaaHQ5crZ7Uj5vnqGntSO0Q/Z 8l6Syn70d04oHsxzArvKo/hCEUK5r5x6tTHAgSfVRZn94DELc0qr466tg+uQR3Y0JaNZ jt4HzuPFaIF/3nB8DsuzyvfuHQqu/U4hwDLKtCUiuP0MY1nDd72oZXwwuasJvhhsbKj5 V3mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721951945; x=1722556745; 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=No4XG6t6wkH9PxiFN/jhvxdmpl9tgi1IP4LVoGa+/Y8=; b=xC6WH5/2/EvFX0BqAnv8oQrHt9nFMzmBMA8ILaQtyp6xQAMaFcciakZ4YKrPuLBuVF TAaB9ZERDajC4wKzFGvMCfoPi+LTugxlyg5p95YWxc5e13XpOwboiseG5XYs4R4Ir+0q ciBbdwLRSFHVsttqH1N5ySudjbgGjxw578o/26EPJD3DWlrmpymj/r6dvCBSG49GoI1k p5aA/uYb+RyZdZoCAz8WxQGdtusNpmsZixA6j1dax/dN8PjSTTFJ87H+O21FPbXCyZ2q Rbzz3zaDhUx+WwMjHu9EdKPHpvPjZvWTtOEV4JFBHIWuSZBVRKBNTnFNNN1L8zpBTk99 F2bQ== X-Forwarded-Encrypted: i=1; AJvYcCVzAjuWa0ffr84/znhSPc3r5QKeITwj775GTZh7ze4koW1XvJ7zU6uWfPGgirUD23ZLeFY2Y0FUAxgdlbGetXzFD9Eb X-Gm-Message-State: AOJu0YwN4VseO1rL4j7lI5DP/cUi3tAZZrvEg/Z0q4vns2HW4+dwcmvn bY4amuDCP8uqUeRGu9JIWGMYKwK/Szp3DsVf6sLOfZZit4yb6/lmwb3xlg== X-Google-Smtp-Source: AGHT+IF5zh+8aNpU6OpGKgOyeG0Oj9yqRdBNZmZ0cKbNK5q2K9XuYqH4/4YmgZjTDVP9Bj/A7BEk5Q== X-Received: by 2002:a05:6a20:3504:b0:1be:c262:9c0d with SMTP id adf61e73a8af0-1c47b475d0emr3142405637.44.1721951944987; Thu, 25 Jul 2024 16:59:04 -0700 (PDT) Received: from wheely.local0.net ([203.220.44.216]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2cf28c7fef3sm2142060a91.16.2024.07.25.16.59.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jul 2024 16:59:04 -0700 (PDT) From: Nicholas Piggin To: qemu-devel@nongnu.org Cc: Nicholas Piggin , qemu-ppc@nongnu.org, BALATON Zoltan Subject: [PULL 80/96] target/ppc/mmu_common.c: Inline and remove ppc6xx_tlb_pte_check() Date: Fri, 26 Jul 2024 09:53:53 +1000 Message-ID: <20240725235410.451624-81-npiggin@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240725235410.451624-1-npiggin@gmail.com> References: <20240725235410.451624-1-npiggin@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=npiggin@gmail.com; helo=mail-pf1-x436.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, FREEMAIL_FROM=0.001, 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 From: BALATON Zoltan This function is only called once and we can make the caller simpler by inlining it. Signed-off-by: BALATON Zoltan Reviewed-by: Nicholas Piggin Signed-off-by: Nicholas Piggin --- target/ppc/mmu_common.c | 71 +++++++++++++---------------------------- 1 file changed, 22 insertions(+), 49 deletions(-) diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c index b2993e8563..784e833ff2 100644 --- a/target/ppc/mmu_common.c +++ b/target/ppc/mmu_common.c @@ -91,33 +91,6 @@ int ppc6xx_tlb_getnum(CPUPPCState *env, target_ulong eaddr, return nr; } -static int ppc6xx_tlb_pte_check(mmu_ctx_t *ctx, target_ulong pte0, - target_ulong pte1, int pteh, - MMUAccessType access_type, bool nx) -{ - /* Check validity and table match */ - if (!pte_is_valid(pte0) || ((pte0 >> 6) & 1) != pteh || - (pte0 & PTE_PTEM_MASK) != ctx->ptem) { - return -1; - } - /* all matches should have equal RPN, WIMG & PP */ - if (ctx->raddr != (hwaddr)-1ULL && - (ctx->raddr & PTE_CHECK_MASK) != (pte1 & PTE_CHECK_MASK)) { - qemu_log_mask(CPU_LOG_MMU, "Bad RPN/WIMG/PP\n"); - return -3; - } - /* Keep the matching PTE information */ - ctx->raddr = pte1; - ctx->prot = ppc_hash32_prot(ctx->key, pte1 & HPTE32_R_PP, nx); - if (check_prot_access_type(ctx->prot, access_type)) { - qemu_log_mask(CPU_LOG_MMU, "PTE access granted !\n"); - return 0; - } else { - qemu_log_mask(CPU_LOG_MMU, "PTE access rejected\n"); - return -2; - } -} - /* Software driven TLB helpers */ static int ppc6xx_tlb_check(CPUPPCState *env, @@ -149,32 +122,32 @@ static int ppc6xx_tlb_check(CPUPPCState *env, tlb->EPN, eaddr, tlb->pte1, access_type == MMU_DATA_STORE ? 'S' : 'L', access_type == MMU_INST_FETCH ? 'I' : 'D'); - switch (ppc6xx_tlb_pte_check(ctx, tlb->pte0, tlb->pte1, - 0, access_type, nx)) { - case -2: - /* Access violation */ - ret = -2; - best = nr; - break; - case -1: /* No match */ - case -3: /* TLB inconsistency */ - default: - break; - case 0: - /* access granted */ - /* - * XXX: we should go on looping to check all TLBs - * consistency but we can speed-up the whole thing as - * the result would be undefined if TLBs are not - * consistent. - */ + /* Check validity and table match */ + if (!pte_is_valid(tlb->pte0) || ((tlb->pte0 >> 6) & 1) != 0 || + (tlb->pte0 & PTE_PTEM_MASK) != ctx->ptem) { + continue; + } + /* all matches should have equal RPN, WIMG & PP */ + if (ctx->raddr != (hwaddr)-1ULL && + (ctx->raddr & PTE_CHECK_MASK) != (tlb->pte1 & PTE_CHECK_MASK)) { + qemu_log_mask(CPU_LOG_MMU, "Bad RPN/WIMG/PP\n"); + /* TLB inconsistency */ + continue; + } + /* Keep the matching PTE information */ + best = nr; + ctx->raddr = tlb->pte1; + ctx->prot = ppc_hash32_prot(ctx->key, tlb->pte1 & HPTE32_R_PP, nx); + if (check_prot_access_type(ctx->prot, access_type)) { + qemu_log_mask(CPU_LOG_MMU, "PTE access granted !\n"); ret = 0; - best = nr; - goto done; + break; + } else { + qemu_log_mask(CPU_LOG_MMU, "PTE access rejected\n"); + ret = -2; } } if (best != -1) { -done: qemu_log_mask(CPU_LOG_MMU, "found TLB at addr " HWADDR_FMT_plx " prot=%01x ret=%d\n", ctx->raddr & TARGET_PAGE_MASK, ctx->prot, ret);