From patchwork Wed May 4 21:08:41 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 618675 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3r0W565G1qz9t3V for ; Thu, 5 May 2016 07:14:34 +1000 (AEST) Received: from localhost ([::1]:50323 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ay47p-0007Gr-6O for incoming@patchwork.ozlabs.org; Wed, 04 May 2016 17:14:29 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45915) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ay44l-000146-Tw for qemu-devel@nongnu.org; Wed, 04 May 2016 17:11:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ay44a-0000iG-7d for qemu-devel@nongnu.org; Wed, 04 May 2016 17:11:14 -0400 Received: from smtp1-g21.free.fr ([212.27.42.1]:33978) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ay44Z-0000fA-Oc for qemu-devel@nongnu.org; Wed, 04 May 2016 17:11:07 -0400 Received: from Quad.localdomain (unknown [IPv6:2a01:e34:eeee:5240:12c3:7bff:fe6b:9a76]) by smtp1-g21.free.fr (Postfix) with ESMTPS id 1A8DDB004EC; Wed, 4 May 2016 21:04:30 +0200 (CEST) From: Laurent Vivier To: qemu-devel@nongnu.org Date: Wed, 4 May 2016 23:08:41 +0200 Message-Id: <1462396135-20925-6-git-send-email-laurent@vivier.eu> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1462396135-20925-1-git-send-email-laurent@vivier.eu> References: <1462392752-17703-1-git-send-email-laurent@vivier.eu> <1462396135-20925-1-git-send-email-laurent@vivier.eu> X-detected-operating-system: by eggs.gnu.org: Windows NT kernel [generic] [fuzzy] X-Received-From: 212.27.42.1 Subject: [Qemu-devel] [PATCH 38/52] target-m68k: add linkl X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , gerg@uclinux.org, schwab@linux-m68k.org, agraf@suse.de, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson --- target-m68k/translate.c | 26 +++++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/target-m68k/translate.c b/target-m68k/translate.c index 80033fc..9a38235 100644 --- a/target-m68k/translate.c +++ b/target-m68k/translate.c @@ -2351,21 +2351,36 @@ DISAS_INSN(mull) } } -DISAS_INSN(link) +static void gen_link(DisasContext *s, uint16_t insn, int32_t offset) { - int16_t offset; TCGv reg; TCGv tmp; - offset = cpu_ldsw_code(env, s->pc); - s->pc += 2; 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) + if ((insn & 7) != 7) { tcg_gen_mov_i32(reg, tmp); + } tcg_gen_addi_i32(QREG_SP, tmp, offset); + tcg_temp_free(tmp); +} + +DISAS_INSN(link) +{ + int16_t offset; + + offset = read_im16(env, s); + gen_link(s, insn, offset); +} + +DISAS_INSN(linkl) +{ + int32_t offset; + + offset = read_im32(env, s); + gen_link(s, insn, offset); } DISAS_INSN(unlk) @@ -4661,6 +4676,7 @@ void register_m68k_insns (CPUM68KState *env) INSN(undef, 46c0, ffc0, M68000); INSN(move_to_sr, 46c0, ffc0, CF_ISA_A); INSN(nbcd, 4800, ffc0, M68000); + INSN(linkl, 4808, fff8, M68000); BASE(pea, 4840, ffc0); BASE(swap, 4840, fff8); INSN(bkpt, 4848, fff8, M68000);