From patchwork Wed Jul 13 03:30:47 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tsuneo Saito X-Patchwork-Id: 104471 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 2037FB6F74 for ; Wed, 13 Jul 2011 13:34:47 +1000 (EST) Received: from localhost ([::1]:60132 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QgqDj-000198-Nk for incoming@patchwork.ozlabs.org; Tue, 12 Jul 2011 23:34:43 -0400 Received: from eggs.gnu.org ([140.186.70.92]:38779) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QgqAg-00018b-Lf for qemu-devel@nongnu.org; Tue, 12 Jul 2011 23:31:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QgqAf-0004JE-Bb for qemu-devel@nongnu.org; Tue, 12 Jul 2011 23:31:34 -0400 Received: from mail-iy0-f173.google.com ([209.85.210.173]:40085) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QgqAf-0004D1-1C for qemu-devel@nongnu.org; Tue, 12 Jul 2011 23:31:33 -0400 Received: by mail-iy0-f173.google.com with SMTP id 3so5910382iyb.4 for ; Tue, 12 Jul 2011 20:31:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=N2UNbRkxpFiZVey854tXWrWi+cdaUdc6sL1d/DxjKgY=; b=FOD6+I8adaEdySRYUGCt7m9k8UB1W0akLjyTFiI3tQZgLNY/1+UUHBQKXXpHDmWVzK e0p6TJTHusc3y7NUD6IHoTg9pBEpCcQmD/ZjCJBeal+X17UuwsEKZj6VSyBxWxNz0AnA 6VhDoKYEsuRNdglVUVVhSvB9tkc8Hs3aqwT6Q= Received: by 10.42.163.70 with SMTP id b6mr244458icy.168.1310527892727; Tue, 12 Jul 2011 20:31:32 -0700 (PDT) Received: from localhost.localdomain (tetkyo149119.tkyo.te.ftth2.ppp.infoweb.ne.jp [202.219.195.119]) by mx.google.com with ESMTPS id hp8sm15541550icc.11.2011.07.12.20.31.31 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 12 Jul 2011 20:31:32 -0700 (PDT) From: Tsuneo Saito To: qemu-devel@nongnu.org Date: Wed, 13 Jul 2011 12:30:47 +0900 Message-Id: <1310527849-784-3-git-send-email-tsnsaito@gmail.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1310527849-784-1-git-send-email-tsnsaito@gmail.com> References: <1310527849-784-1-git-send-email-tsnsaito@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 209.85.210.173 Cc: Tsuneo Saito Subject: [Qemu-devel] [PATCH 2/4] SPARC64: fp_disabled checks on ldfa/lddfa/ldqfa 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org ldfa/lddfa/ldqfa instructions should raise fp_disabled exceptions if %pstate.PEF==0 or %fprs.FEF==0. Signed-off-by: Tsuneo Saito --- target-sparc/translate.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/target-sparc/translate.c b/target-sparc/translate.c index f32a674..d07eb25 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -4484,10 +4484,14 @@ static void disas_sparc_insn(DisasContext * dc) case 0x2d: /* V9 prefetch, no effect */ goto skip_move; case 0x30: /* V9 ldfa */ + if (gen_trap_ifnofpu(dc, cpu_cond)) + goto jmp_insn; save_state(dc, cpu_cond); gen_ldf_asi(cpu_addr, insn, 4, rd); goto skip_move; case 0x33: /* V9 lddfa */ + if (gen_trap_ifnofpu(dc, cpu_cond)) + goto jmp_insn; save_state(dc, cpu_cond); gen_ldf_asi(cpu_addr, insn, 8, DFPREG(rd)); goto skip_move; @@ -4495,6 +4499,8 @@ static void disas_sparc_insn(DisasContext * dc) goto skip_move; case 0x32: /* V9 ldqfa */ CHECK_FPU_FEATURE(dc, FLOAT128); + if (gen_trap_ifnofpu(dc, cpu_cond)) + goto jmp_insn; save_state(dc, cpu_cond); gen_ldf_asi(cpu_addr, insn, 16, QFPREG(rd)); goto skip_move;