From patchwork Wed Feb 10 18:09:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 8273781 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A20C89F6DA for ; Wed, 10 Feb 2016 18:09:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 16C49203A4 for ; Wed, 10 Feb 2016 18:09:42 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 67C6920394 for ; Wed, 10 Feb 2016 18:09:41 +0000 (UTC) Received: from localhost ([::1]:41663 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTZCu-0007nE-ML for patchwork-qemu-devel@patchwork.kernel.org; Wed, 10 Feb 2016 13:09:40 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55724) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTZCb-0007e8-Oc for qemu-devel@nongnu.org; Wed, 10 Feb 2016 13:09:22 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aTZCa-0004wm-LY for qemu-devel@nongnu.org; Wed, 10 Feb 2016 13:09:21 -0500 Received: from mx1.redhat.com ([209.132.183.28]:35858) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aTZCa-0004wa-Fk; Wed, 10 Feb 2016 13:09:20 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id 36E3EBAEC4; Wed, 10 Feb 2016 18:09:20 +0000 (UTC) Received: from thh440s.fritz.box (vpn1-7-179.ams2.redhat.com [10.36.7.179]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u1AI9Csm015467; Wed, 10 Feb 2016 13:09:18 -0500 From: Thomas Huth To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Wed, 10 Feb 2016 19:09:11 +0100 Message-Id: <1455127752-17293-4-git-send-email-thuth@redhat.com> In-Reply-To: <1455127752-17293-1-git-send-email-thuth@redhat.com> References: <1455127752-17293-1-git-send-email-thuth@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: qemu-devel@nongnu.org, laurent@vivier.eu Subject: [Qemu-devel] [PATCH 3/4] hw/ppc/spapr: Implement the h_set_xdabr hypercall X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The H_SET_XDABR hypercall is similar to H_SET_DABR, but also sets the extended DABR (DABRX) register. Signed-off-by: Thomas Huth --- hw/ppc/spapr_hcall.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 6b9d512..f14f849 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -366,6 +366,27 @@ static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPRMachineState *spapr, return H_SUCCESS; } +static target_ulong h_set_xdabr(PowerPCCPU *cpu, sPAPRMachineState *spapr, + target_ulong opcode, target_ulong *args) +{ + CPUState *cs = CPU(cpu); + target_ulong dabrx = args[1]; + + if (!has_spr(cpu, SPR_DABR) || !has_spr(cpu, SPR_DABRX)) { + return H_HARDWARE; + } + + if ((dabrx & ~0xfULL) != 0 || (dabrx & H_DABRX_HYPERVISOR) != 0 + || (dabrx & (H_DABRX_KERNEL | H_DABRX_USER)) == 0) { + return H_PARAMETER; + } + + set_spr(cs, SPR_DABRX, dabrx, -1L); + set_spr(cs, SPR_DABR, args[0], -1L); + + return H_SUCCESS; +} + #define FLAGS_REGISTER_VPA 0x0000200000000000ULL #define FLAGS_REGISTER_DTL 0x0000400000000000ULL #define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL @@ -1024,6 +1045,7 @@ static void hypercall_register_types(void) /* processor register resource access h-calls */ spapr_register_hypercall(H_SET_SPRG0, h_set_sprg0); spapr_register_hypercall(H_SET_DABR, h_set_dabr); + spapr_register_hypercall(H_SET_XDABR, h_set_xdabr); spapr_register_hypercall(H_SET_MODE, h_set_mode); /* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate