From patchwork Wed Aug 17 20:46:37 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryce Lanham X-Patchwork-Id: 110469 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 76D09B6F86 for ; Thu, 18 Aug 2011 09:42:51 +1000 (EST) Received: from localhost ([::1]:54666 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qtpkp-0001qu-SW for incoming@patchwork.ozlabs.org; Wed, 17 Aug 2011 19:42:35 -0400 Received: from eggs.gnu.org ([140.186.70.92]:47185) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qtn3G-0007B6-PQ for qemu-devel@nongnu.org; Wed, 17 Aug 2011 16:49:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Qtn35-0006ma-0W for qemu-devel@nongnu.org; Wed, 17 Aug 2011 16:49:16 -0400 Received: from mail-yw0-f45.google.com ([209.85.213.45]:56101) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qtn34-0006e8-KX for qemu-devel@nongnu.org; Wed, 17 Aug 2011 16:49:14 -0400 Received: by mail-yw0-f45.google.com with SMTP id 9so1229540ywf.4 for ; Wed, 17 Aug 2011 13:49:14 -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=fJdnobrPw0u3tJ62DdAQ3b2+sAARPKaUZqiAmRbURm4=; b=TclLDymMG/ZXd5VkfHZ6ZCiyv2PjN4UlE600ucBZaJgdM8v9tzCqfZQ/AiKQe1p9+M sibvp79E281MpTQoz6olyfl2U3Ik0yzp+JAQSIpiW8DEu1HAIiFJxM2J+6oWO6lQ9lUR nvDKaGpSzsHPd9K4wUILd/xfiFfu5nHGv4r3Y= Received: by 10.236.125.225 with SMTP id z61mr4763807yhh.194.1313614154329; Wed, 17 Aug 2011 13:49:14 -0700 (PDT) Received: from localhost.localdomain (betelgeuse.cs.uchicago.edu [128.135.24.226]) by mx.google.com with ESMTPS id a29sm1237029yhj.59.2011.08.17.13.49.05 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 17 Aug 2011 13:49:13 -0700 (PDT) From: Bryce Lanham To: qemu-devel@nongnu.org Date: Wed, 17 Aug 2011 15:46:37 -0500 Message-Id: <1313614076-28878-33-git-send-email-blanham@gmail.com> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <1313614076-28878-1-git-send-email-blanham@gmail.com> References: <1313614076-28878-1-git-send-email-blanham@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 209.85.213.45 Cc: Laurent Vivier Subject: [Qemu-devel] [PATCH 032/111] m68k: add linkl instruction 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 From: Laurent Vivier This patch add support for link instruction with 32bit stack frame size Signed-off-by: Laurent Vivier --- target-m68k/translate.c | 20 ++++++++++++++++++-- 1 files changed, 18 insertions(+), 2 deletions(-) diff --git a/target-m68k/translate.c b/target-m68k/translate.c index 38be7ab..896e187 100644 --- a/target-m68k/translate.c +++ b/target-m68k/translate.c @@ -1744,8 +1744,23 @@ DISAS_INSN(link) TCGv reg; TCGv tmp; - offset = ldsw_code(s->pc); - s->pc += 2; + offset = read_im16(s); + reg = AREG(insn, 0); + tmp = tcg_temp_new(); + tcg_gen_subi_i32(tmp, QREG_SP, 4); + gen_store(s, OS_LONG, tmp, reg); + if ((insn & 7) != 7) + tcg_gen_mov_i32(reg, tmp); + tcg_gen_addi_i32(QREG_SP, tmp, offset); +} + +DISAS_INSN(linkl) +{ + int32_t offset; + TCGv reg; + TCGv tmp; + + offset = read_im32(s); reg = AREG(insn, 0); tmp = tcg_temp_new(); tcg_gen_subi_i32(tmp, QREG_SP, 4); @@ -3778,6 +3793,7 @@ void register_m68k_insns (CPUM68KState *env) INSN(not, 4600, ff00, M68000); INSN(undef, 46c0, ffc0, M68000); INSN(move_to_sr, 46c0, ffc0, CF_ISA_A); + INSN(linkl, 4808, fff8, M68000); INSN(pea, 4840, ffc0, CF_ISA_A); INSN(pea, 4840, ffc0, M68000); INSN(swap, 4840, fff8, CF_ISA_A);