From patchwork Thu Jan 4 01:29:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 855325 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 3zBr234C2lz9s1h for ; Thu, 4 Jan 2018 12:34:35 +1100 (AEDT) Received: from localhost ([::1]:44716 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eWuQT-00040t-EX for incoming@patchwork.ozlabs.org; Wed, 03 Jan 2018 20:34:33 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58418) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eWuLV-0000tK-An for qemu-devel@nongnu.org; Wed, 03 Jan 2018 20:29:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eWuLU-0007Bi-9v for qemu-devel@nongnu.org; Wed, 03 Jan 2018 20:29:25 -0500 Received: from mout.kundenserver.de ([212.227.17.10]:51824) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eWuLT-0007AQ-Lx for qemu-devel@nongnu.org; Wed, 03 Jan 2018 20:29:24 -0500 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue105 [212.227.15.183]) with ESMTPSA (Nemesis) id 0Lzai2-1f2Ej51sfq-014nZw; Thu, 04 Jan 2018 02:29:21 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Thu, 4 Jan 2018 02:29:08 +0100 Message-Id: <20180104012913.30763-13-laurent@vivier.eu> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180104012913.30763-1-laurent@vivier.eu> References: <20180104012913.30763-1-laurent@vivier.eu> X-Provags-ID: V03:K0:yTN6uV86Rdcz+TZNhWkUGBVXCPj30ntekYsTv/sr7Jq7/Tpj7aN V6vS0N31ehmw/emDkGZA2xl5X1/6QIBqZCdZkxkwk2A/w/uBOukNPGm3RZ+De2xRnX295qp zyvehv5WdYchgucjKfOdTvlStIvbj+ix8wRzdqm0CRU3MZbp2xqy1F9wjQbRnfzlsgweXKA kY+RzqmRgzwa/C3P7n0UA== X-UI-Out-Filterresults: notjunk:1; V01:K0:JeLN2zl5vxg=:StGpvz8xnwMOmpSVkwu0O2 FgMAeaaJfmP/FY8Gix6gn8xSYFGTNuFDt8cvA6OxvcCcfochKcMZVCeXujPrj/QVBGIwGSHMC IO9sBXGTRSN959ok2v/hC4z2wJHbXFqlxyV7SRB8Fhi6ibTHGk1shSx2edfgTyTPMsS69EV7u 2nwE3aa3eOZlq+ji65pkHXrFjfiWSDAqgnHG44EWmzWYH9p7egbZ5F2ldIbZbABDwPiqLGNHV i1trwm+pSaS0tSQnA0P2Ip7QA11qvKgG70eKhLNhFUBCm7/hMMWxLpv1OVK/sSB1zRZ6nHbpb 0AY1aCQi5iHvs0UNjtas+s7pX5MFi1f44W0Vp9QadAywGRy3oe4wLUjHsIyWxtGeaTNPTwRD2 86ozr+c/a74GLl02lzmddcaQxkicF9jZzCNhZsRwsTj2GQNUwESKpU3aYCeoww2ZxYDOLPr/2 YrUP3JcFJWLcaf/EwpafFodObRx4Aor60zBLlDB1x3gJq0Ks3KNIeN7HazBjCWeM6ePyErB3Q C2V1d1gxeIAjNWAEGr8VrHA3T6CxS9alDTzRdo9vQpkW/ZMaApM2Ak1bTM3wpyqs67A73Jba9 GyEeDNDzE6PzjGFIc4oAPjVH6WdtrXPelU4qy3f4XzFWElDjDSGshvMSMs4nnoYndQ/3VBRF9 zI+DEmGwmMokDJM2AbjqdEA6XDQ8frtMZV0TDshFNVmIHTubKIxBbVT6c/oKMaDO51WG9n2WX TO+tgFKQafBrNJKRR7Aoh+Nw8+GtlWBpeq4vAA== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.17.10 Subject: [Qemu-devel] [PATCH v7 12/17] target/m68k: implement fsave/frestore 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: Thomas Huth , Richard Henderson , Laurent Vivier 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 | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/target/m68k/translate.c b/target/m68k/translate.c index e8f7d07f3f..b8ed85c237 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -5103,28 +5103,35 @@ DISAS_INSN(fscc) #if defined(CONFIG_SOFTMMU) DISAS_INSN(frestore) { - M68kCPU *cpu = m68k_env_get_cpu(env); + TCGv addr; if (IS_USER(s)) { gen_exception(s, s->insn_pc, EXCP_PRIVILEGE); return; } - - /* TODO: Implement frestore. */ - cpu_abort(CPU(cpu), "FRESTORE not implemented"); + if (m68k_feature(s->env, M68K_FEATURE_M68040)) { + SRC_EA(env, addr, OS_LONG, 0, NULL); + /* FIXME: check the state frame */ + } else { + disas_undef(env, s, insn); + } } DISAS_INSN(fsave) { - M68kCPU *cpu = m68k_env_get_cpu(env); - if (IS_USER(s)) { gen_exception(s, s->insn_pc, EXCP_PRIVILEGE); return; } - /* TODO: Implement fsave. */ - cpu_abort(CPU(cpu), "FSAVE not implemented"); + if (m68k_feature(s->env, M68K_FEATURE_M68040)) { + /* always write IDLE */ + TCGv idle = tcg_const_i32(0x41000000); + DEST_EA(env, insn, OS_LONG, idle, NULL); + tcg_temp_free(idle); + } else { + disas_undef(env, s, insn); + } } #endif