From patchwork Thu Feb 2 12:41:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lawrence Hunter X-Patchwork-Id: 13126183 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A45F8C05027 for ; Thu, 2 Feb 2023 14:51:06 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pNaqt-0005OB-OE; Thu, 02 Feb 2023 09:46:15 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pNYvQ-00074o-Tp for qemu-devel@nongnu.org; Thu, 02 Feb 2023 07:42:49 -0500 Received: from imap5.colo.codethink.co.uk ([78.40.148.171]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pNYvM-0000el-Bi for qemu-devel@nongnu.org; Thu, 02 Feb 2023 07:42:47 -0500 Received: from [167.98.27.226] (helo=lawrence-thinkpad.office.codethink.co.uk) by imap5.colo.codethink.co.uk with esmtpsa (Exim 4.94.2 #2 (Debian)) id 1pNYvD-004Q6t-GN; Thu, 02 Feb 2023 12:42:36 +0000 From: Lawrence Hunter To: qemu-devel@nongnu.org Cc: dickon.hood@codethink.co.uk, nazar.kazakov@codethink.co.uk, kiran.ostrolenk@codethink.co.uk, frank.chang@sifive.com, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, pbonzini@redhat.com, philipp.tomsich@vrull.eu, kvm@vger.kernel.org Subject: [PATCH 01/39] target/riscv: add zvkb cpu property Date: Thu, 2 Feb 2023 12:41:52 +0000 Message-Id: <20230202124230.295997-2-lawrence.hunter@codethink.co.uk> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230202124230.295997-1-lawrence.hunter@codethink.co.uk> References: <20230202124230.295997-1-lawrence.hunter@codethink.co.uk> MIME-Version: 1.0 Received-SPF: pass client-ip=78.40.148.171; envelope-from=lawrence.hunter@codethink.co.uk; helo=imap5.colo.codethink.co.uk X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 02 Feb 2023 09:46:13 -0500 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Nazar Kazakov Signed-off-by: Nazar Kazakov --- target/riscv/cpu.c | 12 ++++++++++++ target/riscv/cpu.h | 1 + 2 files changed, 13 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index cc75ca7667..bd34119c75 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -100,6 +100,7 @@ static const struct isa_ext_data isa_edata_arr[] = { ISA_EXT_DATA_ENTRY(zkt, true, PRIV_VERSION_1_12_0, ext_zkt), ISA_EXT_DATA_ENTRY(zve32f, true, PRIV_VERSION_1_12_0, ext_zve32f), ISA_EXT_DATA_ENTRY(zve64f, true, PRIV_VERSION_1_12_0, ext_zve64f), + ISA_EXT_DATA_ENTRY(zvkb, true, PRIV_VERSION_1_12_0, ext_zvkb), ISA_EXT_DATA_ENTRY(zhinx, true, PRIV_VERSION_1_12_0, ext_zhinx), ISA_EXT_DATA_ENTRY(zhinxmin, true, PRIV_VERSION_1_12_0, ext_zhinxmin), ISA_EXT_DATA_ENTRY(smaia, true, PRIV_VERSION_1_12_0, ext_smaia), @@ -792,6 +793,17 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp) return; } + /* + * In principle zve*{x,d} would also suffice here, were they supported + * in qemu + */ + if (cpu->cfg.ext_zvkb && + !(cpu->cfg.ext_zve32f || cpu->cfg.ext_zve64f || cpu->cfg.ext_v)) { + error_setg( + errp, "Vector crypto extensions require V or Zve* extensions"); + return; + } + /* Set the ISA extensions, checks should have happened above */ if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinx || cpu->cfg.ext_zhinxmin) { diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index f5609b62a2..d4824ad0bb 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -461,6 +461,7 @@ struct RISCVCPUConfig { bool ext_zhinxmin; bool ext_zve32f; bool ext_zve64f; + bool ext_zvkb; bool ext_zmmul; bool ext_smaia; bool ext_ssaia;