From patchwork Thu Jan 30 13:29:11 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Helge Deller X-Patchwork-Id: 13954606 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 88B5DC0218A for ; Thu, 30 Jan 2025 13:31:06 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tdUbs-0004is-4r; Thu, 30 Jan 2025 08:29:32 -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 1tdUbq-0004iF-7x for qemu-devel@nongnu.org; Thu, 30 Jan 2025 08:29:30 -0500 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tdUbo-0001PK-OP for qemu-devel@nongnu.org; Thu, 30 Jan 2025 08:29:29 -0500 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 3C86E5C05CD; Thu, 30 Jan 2025 13:28:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C83CBC4CED2; Thu, 30 Jan 2025 13:29:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738243768; bh=TTZQ3gdFh6H6hJ0o3arXtbhMAP/Olm8bzx/GKUy+TWI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=go3z/Y+Y96v0V6FQYz7+I5P/d55oszu4HB5K71ZxBLUpMW7KjGxXX95PL3RU1iXi4 XKrmrYvGy+6vOMq2EVU+40u4Rm3zyOvqiYV8Muwi69n3WIDxl++HseRic1GvGaUUI/ VucfxOFlYGm08T8ZxoRp+4Mf+HdQtfnWiJu+KlX0I8AWiYgwiniKopvj+Qfziwz8o5 ShtcnAoDfXlURLlEZHnMF7vDQHm4doRP9jmqc8YVxIE9yXP3gpOX5leRPiG2BQfU9R Ji2ujXsHKv5quUDTgv226+sfTPH65GbxgsybYqBfTNBlEd173JLvQmEIC4KlJi1nIK ilUQ1Tot2JMqw== From: deller@kernel.org To: qemu-devel@nongnu.org, Stefan Hajnoczi , Richard Henderson , Peter Maydell Cc: deller@gmx.de Subject: [PULL 6/9] target/hppa: Add instruction decoding for mfdiag and mtdiag Date: Thu, 30 Jan 2025 14:29:11 +0100 Message-ID: <20250130132915.16846-7-deller@kernel.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20250130132915.16846-1-deller@kernel.org> References: <20250130132915.16846-1-deller@kernel.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2604:1380:4641:c500::1; envelope-from=deller@kernel.org; helo=dfw.source.kernel.org X-Spam_score_int: -56 X-Spam_score: -5.7 X-Spam_bar: ----- X-Spam_report: (-5.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.3, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Helge Deller Add 32- and 64-bit instruction decoding of the mfdiag and mtdiag instructions which modify the diagnose registers. Signed-off-by: Helge Deller Reviewed-by: Richard Henderson --- target/hppa/insns.decode | 4 ++++ target/hppa/translate.c | 20 ++++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index 527c453443..4eaac750ea 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -644,8 +644,12 @@ xmpyu 001110 ..... ..... 010 .0111 .00 t:5 r1=%ra64 r2=%rb64 # For 32-bit PA-7300LC (PCX-L2) diag_getshadowregs_pa1 000101 00 0000 0000 0001 1010 0000 0000 diag_putshadowregs_pa1 000101 00 0000 0000 0001 1010 0100 0000 + diag_mfdiag 000101 dr:5 rt:5 0000 0110 0000 0000 + diag_mtdiag 000101 dr:5 r1:5 0001 0110 0000 0000 # For 64-bit PA8700 (PCX-W2) + diag_mfdiag 000101 dr:5 0 0000 0000 1000 101 rt:5 + diag_mtdiag 000101 dr:5 r1:5 0001 1000 0100 0000 ] diag_unimp 000101 i:26 } diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 30fba5297a..7b9d3deb39 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -4598,6 +4598,26 @@ static bool trans_diag_putshadowregs_pa1(DisasContext *ctx, arg_empty *a) return !ctx->is_pa20 && do_putshadowregs(ctx); } +static bool trans_diag_mfdiag(DisasContext *ctx, arg_diag_mfdiag *a) +{ + CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); + nullify_over(ctx); + TCGv_i64 dest = dest_gpr(ctx, a->rt); + tcg_gen_ld_i64(dest, tcg_env, + offsetof(CPUHPPAState, dr[a->dr])); + save_gpr(ctx, a->rt, dest); + return nullify_end(ctx); +} + +static bool trans_diag_mtdiag(DisasContext *ctx, arg_diag_mtdiag *a) +{ + CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); + nullify_over(ctx); + tcg_gen_st_i64(load_gpr(ctx, a->r1), tcg_env, + offsetof(CPUHPPAState, dr[a->dr])); + return nullify_end(ctx); +} + static bool trans_diag_unimp(DisasContext *ctx, arg_diag_unimp *a) { CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);