From nobody Wed Feb 11 02:07:44 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1502262372204714.2010509849634; Wed, 9 Aug 2017 00:06:12 -0700 (PDT) Received: from localhost ([::1]:46004 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dfL4E-0007v4-3G for importer@patchew.org; Wed, 09 Aug 2017 03:06:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46657) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dfL2T-0006DU-Gm for qemu-devel@nongnu.org; Wed, 09 Aug 2017 03:04:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dfL2S-0003zJ-E1 for qemu-devel@nongnu.org; Wed, 09 Aug 2017 03:04:21 -0400 Received: from ozlabs.org ([2401:3900:2:1::2]:58089) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dfL2S-0003xP-2E; Wed, 09 Aug 2017 03:04:20 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 3xS2Lh0pXXz9sPt; Wed, 9 Aug 2017 17:04:11 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1502262252; bh=TdMTPDJMNu/rHjWgVZf5dsMwkQbq9gLqYz9K93HnYPs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FmokRGbe7eyxuUtaFVGMQGeySj61Nrcp1n1FqUtx93Pw+/Nm4CoxwPHVlWtvkbHcb Krq5sNdvRsbYways+U75aIW/qRHz5iCdfe289uv73UK8nwNQh4p+mU98B48gbZJh5i a+BoSlXasvfgAyAbajrXhzPCk26mXOx1Kx9SSGFI= From: David Gibson To: peter.maydell@linaro.org Date: Wed, 9 Aug 2017 17:03:54 +1000 Message-Id: <20170809070357.28723-4-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.13.4 In-Reply-To: <20170809070357.28723-1-david@gibson.dropbear.id.au> References: <20170809070357.28723-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 Subject: [Qemu-devel] [PULL 3/6] target/ppc: Implement TIDR X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aik@ozlabs.ru, qemu-devel@nongnu.org, agraf@suse.de, groug@kaod.org, qemu-ppc@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" This adds a trivial implementation of the TIDR register added in POWER9. This isn't particularly important to qemu directly - it's used by accelerator modules that we don't emulate. However, since qemu isn't aware of it, its state is not synchronized with KVM and therefore not migrated, which can be a problem. Signed-off-by: David Gibson Reviewed-by: C=C3=A9dric Le Goater Reviewed-by: Greg Kurz Reviewed-by: Thomas Huth --- target/ppc/cpu.h | 1 + target/ppc/translate_init.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 6ee2a26a96..f6e5413fad 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1451,6 +1451,7 @@ void ppc_compat_add_property(Object *obj, const char = *name, #define SPR_TEXASR (0x082) #define SPR_TEXASRU (0x083) #define SPR_UCTRL (0x088) +#define SPR_TIDR (0x090) #define SPR_MPC_CMPA (0x090) #define SPR_MPC_CMPB (0x091) #define SPR_MPC_CMPC (0x092) diff --git a/target/ppc/translate_init.c b/target/ppc/translate_init.c index 01723bdfec..94800cd29d 100644 --- a/target/ppc/translate_init.c +++ b/target/ppc/translate_init.c @@ -8841,6 +8841,11 @@ static void init_proc_POWER9(CPUPPCState *env) gen_spr_power8_book4(env); gen_spr_power8_rpr(env); =20 + /* POWER9 Specific registers */ + spr_register_kvm(env, SPR_TIDR, "TIDR", NULL, NULL, + spr_read_generic, spr_write_generic, + KVM_REG_PPC_TIDR, 0); + /* env variables */ #if !defined(CONFIG_USER_ONLY) env->slb_nr =3D 32; --=20 2.13.4