From patchwork Thu May 7 05:02:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 11532453 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 19C55139F for ; Thu, 7 May 2020 05:09:47 +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 E4A2F20753 for ; Thu, 7 May 2020 05:09:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="IePXUzoy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E4A2F20753 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:34798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jWYn4-0001iN-4n for patchwork-qemu-devel@patchwork.kernel.org; Thu, 07 May 2020 01:09:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33572) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jWYhy-0007f6-2J; Thu, 07 May 2020 01:04:30 -0400 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:47245 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jWYhw-0007fC-Qr; Thu, 07 May 2020 01:04:29 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 49HhFp17tWz9sT1; Thu, 7 May 2020 15:04:14 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1588827854; bh=EJ8ylXIr+xc+zFAYJZ9xhMgXPMJkpH6ijlmnoGH/d+Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IePXUzoy2obj12pgs259lTOgn6nRsuoYfQDgxCe1iITImnaauHYSrOGBPrBnYpsQx ki1b+YVtnPE3aMvFoKAq0CBWhthnmP3MR0LHzJN3nNjJZyDZyKWVE0NX/dSZCbRsJm j410i25hEJ7ZNN+JIHRzCQEzaf/D8h7LTyzLxRwA= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 09/18] target/ppc: Introduce a relocation bool in ppc_radix64_handle_mmu_fault() Date: Thu, 7 May 2020 15:02:19 +1000 Message-Id: <20200507050228.802395-10-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200507050228.802395-1-david@gibson.dropbear.id.au> References: <20200507050228.802395-1-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-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: aik@ozlabs.ru, qemu-devel@nongnu.org, npiggin@gmail.com, groug@kaod.org, qemu-ppc@nongnu.org, clg@kaod.org, Suraj Jitindar Singh , David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Cédric Le Goater It will ease the introduction of new routines for partition-scoped Radix translation. Signed-off-by: Suraj Jitindar Singh Signed-off-by: Cédric Le Goater Message-Id: <20200330094946.24678-3-clg@kaod.org> Reviewed-by: Greg Kurz Signed-off-by: David Gibson --- target/ppc/mmu-radix64.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c index 9967857058..f6007e9565 100644 --- a/target/ppc/mmu-radix64.c +++ b/target/ppc/mmu-radix64.c @@ -229,12 +229,13 @@ int ppc_radix64_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx, uint64_t lpid = 0, pid = 0, offset, size, prtbe0, pte; int page_size, prot, fault_cause = 0; ppc_v3_pate_t pate; + bool relocation; assert((rwx == 0) || (rwx == 1) || (rwx == 2)); + relocation = ((rwx == 2) && (msr_ir == 1)) || ((rwx != 2) && (msr_dr == 1)); /* HV or virtual hypervisor Real Mode Access */ - if ((msr_hv || cpu->vhyp) && - (((rwx == 2) && (msr_ir == 0)) || ((rwx != 2) && (msr_dr == 0)))) { + if (!relocation && (msr_hv || cpu->vhyp)) { /* In real mode top 4 effective addr bits (mostly) ignored */ raddr = eaddr & 0x0FFFFFFFFFFFFFFFULL;