From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5812C2BB1D for ; Thu, 12 Mar 2020 15:47:17 +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 743C5206E7 for ; Thu, 12 Mar 2020 15:47:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="jUu7Nr3B" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 743C5206E7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43718 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jCQ3I-0000rd-Ly for qemu-devel@archiver.kernel.org; Thu, 12 Mar 2020 11:47:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49578) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jCPza-0002Sf-D7 for qemu-devel@nongnu.org; Thu, 12 Mar 2020 11:43:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jCPzZ-0007xt-B4 for qemu-devel@nongnu.org; Thu, 12 Mar 2020 11:43:26 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:36338 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jCPzZ-0007vI-5c for qemu-devel@nongnu.org; Thu, 12 Mar 2020 11:43:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584027804; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5QgGQR5lmCzHdU2tw8u26Dp0LVz138MaKuXfv7AyzLc=; b=jUu7Nr3BveV/v6mTnLnIw7eaJ6PsPAD2b8a7INEs0gvFXjVWOOW1gBLd35P2vcfiiejpap nHO+BNrEJN6F2GQLhGKJUKSe++M1lgNmwc/gSTgy8QHMDOkMNsR6aHYPCaVc5NanwvVBO4 INPcr9S0Gld/h7tWeRpkM7RStx+dVak= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-401-dOckM3WQOfWuveQhk9MwrQ-1; Thu, 12 Mar 2020 11:43:20 -0400 X-MC-Unique: dOckM3WQOfWuveQhk9MwrQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E847A100550E; Thu, 12 Mar 2020 15:43:17 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.36.118.12]) by smtp.corp.redhat.com (Postfix) with ESMTP id C4D215C1B5; Thu, 12 Mar 2020 15:43:12 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, maz@kernel.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, qemu-devel@nongnu.org, qemu-arm@nongnu.org Subject: [kvm-unit-tests PATCH v3 01/12] arm64: Provide read/write_sysreg_s Date: Thu, 12 Mar 2020 16:42:50 +0100 Message-Id: <20200312154301.9130-2-eric.auger@redhat.com> In-Reply-To: <20200312154301.9130-1-eric.auger@redhat.com> References: <20200312154301.9130-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: peter.maydell@linaro.org, andrew.murray@arm.com, drjones@redhat.com, alexandru.elisei@arm.com, andre.przywara@arm.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Andrew Jones Sometimes we need to test access to system registers which are missing assembler mnemonics. Signed-off-by: Andrew Jones Reviewed-by: Alexandru Elisei --- lib/arm64/asm/sysreg.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/lib/arm64/asm/sysreg.h b/lib/arm64/asm/sysreg.h index a03830b..a45eebd 100644 --- a/lib/arm64/asm/sysreg.h +++ b/lib/arm64/asm/sysreg.h @@ -38,6 +38,17 @@ asm volatile("msr " xstr(r) ", %x0" : : "rZ" (__val)); \ } while (0) =20 +#define read_sysreg_s(r) ({ \ + u64 __val; \ + asm volatile("mrs_s %0, " xstr(r) : "=3Dr" (__val)); \ + __val; \ +}) + +#define write_sysreg_s(v, r) do { \ + u64 __val =3D (u64)v; \ + asm volatile("msr_s " xstr(r) ", %x0" : : "rZ" (__val));\ +} while (0) + asm( " .irp num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23= ,24,25,26,27,28,29,30\n" " .equ .L__reg_num_x\\num, \\num\n" --=20 2.20.1