From patchwork Mon Feb 3 06:10:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 11362077 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 075E2138D for ; Mon, 3 Feb 2020 06:15:00 +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 D2B212080D for ; Mon, 3 Feb 2020 06:14:59 +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="Y06O8cdF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D2B212080D 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]:34780 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iyV0d-0008CO-0L for patchwork-qemu-devel@patchwork.kernel.org; Mon, 03 Feb 2020 01:14:59 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:57263) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iyUxP-0002TG-AP for qemu-devel@nongnu.org; Mon, 03 Feb 2020 01:11:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iyUxN-0002bN-Uw for qemu-devel@nongnu.org; Mon, 03 Feb 2020 01:11:39 -0500 Received: from ozlabs.org ([203.11.71.1]:53915) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iyUxN-0002Ud-JR; Mon, 03 Feb 2020 01:11:37 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 489yBn02v9z9sSQ; Mon, 3 Feb 2020 17:11:28 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1580710289; bh=xwNu4FGfWX/egNgtR4ivugsA4AmzcHorSgS/59pdGpI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y06O8cdFbWiDqTL/TX0vvPygHiBkBb6aswuHIU6t0rM1rf6kX7CzL8+RRNS68LTtE VY3Xl02jfQFNmptbexEqk2x2oDqNZ0ghw511lHY2yRD546P5kEAXxOMNK6FHHhySqX qVzW57PSW3SjQOhy9RclbnsWb6A4HimNZAroBJ+0= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 10/35] ppc/pnv: Add support for HRMOR on Radix host Date: Mon, 3 Feb 2020 17:10:58 +1100 Message-Id: <20200203061123.59150-11-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200203061123.59150-1-david@gibson.dropbear.id.au> References: <20200203061123.59150-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 203.11.71.1 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: lvivier@redhat.com, qemu-devel@nongnu.org, groug@kaod.org, qemu-ppc@nongnu.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= , David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Cédric Le Goater When in HV mode, if EA[0] is 0, the Hypervisor Offset Real Mode Register controls the access. Signed-off-by: Cédric Le Goater Message-Id: <20200127144154.10170-2-clg@kaod.org> Signed-off-by: David Gibson --- target/ppc/mmu-radix64.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c index 066e324464..224e646c50 100644 --- a/target/ppc/mmu-radix64.c +++ b/target/ppc/mmu-radix64.c @@ -235,6 +235,12 @@ int ppc_radix64_handle_mmu_fault(PowerPCCPU *cpu, vaddr eaddr, int rwx, /* In real mode top 4 effective addr bits (mostly) ignored */ raddr = eaddr & 0x0FFFFFFFFFFFFFFFULL; + /* In HV mode, add HRMOR if top EA bit is clear */ + if (msr_hv || !env->has_hv_mode) { + if (!(eaddr >> 63)) { + raddr |= env->spr[SPR_HRMOR]; + } + } tlb_set_page(cs, eaddr & TARGET_PAGE_MASK, raddr & TARGET_PAGE_MASK, PAGE_READ | PAGE_WRITE | PAGE_EXEC, mmu_idx, TARGET_PAGE_SIZE);