From patchwork Thu Jan 4 16:42:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 855728 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 3zCDZx6Sgwz9s7G for ; Fri, 5 Jan 2018 04:00:57 +1100 (AEDT) Received: from localhost ([::1]:50466 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eX8sx-0008Rp-Vc for incoming@patchwork.ozlabs.org; Thu, 04 Jan 2018 12:00:56 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55440) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eX8be-0007cG-Qe for qemu-devel@nongnu.org; Thu, 04 Jan 2018 11:43:08 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eX8bb-0003cz-Ql for qemu-devel@nongnu.org; Thu, 04 Jan 2018 11:43:02 -0500 Received: from mout.kundenserver.de ([212.227.126.131]:64820) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eX8bb-0003aL-De for qemu-devel@nongnu.org; Thu, 04 Jan 2018 11:42:59 -0500 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue003 [212.227.15.167]) with ESMTPSA (Nemesis) id 0M2YnR-1enz2C3FVV-00sNbG; Thu, 04 Jan 2018 17:42:57 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Thu, 4 Jan 2018 17:42:46 +0100 Message-Id: <20180104164251.26494-13-laurent@vivier.eu> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180104164251.26494-1-laurent@vivier.eu> References: <20180104164251.26494-1-laurent@vivier.eu> X-Provags-ID: V03:K0:cKHhq4K/oqm6pphwlW1VKM0hbWOowAqqW8tdMLCHWQ2SKUS4TIO 03h0+B1LcI2T4Vj2y65Pq+4mq5oxbpXzQLuGU/LAAv+QK6Bzi+jNmEXwhNLxWLluRIj0srL vJJ1EqIm9vY1CVSXqylnl9hyf319eP2WIlThpzQ2zj4HhqfDwzPizVRh2C5g57YWZgzlC4R X2wrH6i7jfVtU0leJgnIw== X-UI-Out-Filterresults: notjunk:1; V01:K0:hV48FiJphRQ=:DtD8thcbuM5q/3xNStqmCE ssttR4oYd13c3HvliHMTJb2Vvts+6ntWo1+wlU2w0MMe5dNLPtlGbhMTaQRTBko6tD4xQ9AVt zYKVRE3ZLuNgg998b/kwrUs/Ofmtrjc3eCUmSJoT15zMI7+wLnqKZr/3Y6CCnLQUMteopjrtX ZReR1fMIg0XFSpEATFaulIqQunNS0uh6AVU0qsNK8EIOUb6iIqWKFT42bSwGgvjTqalRKbrFx +h/1ZWLoMk/Zo24XQLOy2AxJVJQUpuqLp3SmsnsL9VgeaiX9bkKJRW2TPJVMruyB4onxlFBHB GPm+QsKyiSvENuwxRJHJNszJZC3ucop7cT2UGR+Vw15AWgUF8zmQ1Inpsb0rDNhlnqwD7mT8T B8TckzzPc0spLvNwhICoNx0+l5k30D6oreQJ1xHEGaXHTuPxeSC4vB/Hk8gFqjCoMDSDqe39Q J0h9rtf0fYx7ljGlS9odk5NCwqrGpXxgzHmjR/Us3xTKpuumeMHsVPQlVQ/GNpNkAJ12vMKKk WuDZubqcVcRPjQF2Rwi8O3l0gAzSWOR6t0YhAUoXIQeArSqdJsrAY/vJTh/ZNEaUzCOTfkWNA 7RT6kt+/nsv6+Y0fcKAP+W+vF0rwRW5EhP7seBgjfm34B3sWbSONLU2dSmLkZ8mdtDKbN3BDQ C7CKtLmX2+Qmwvq+fFLca5lDdylIlp02eRAo1GajDhfPhb/GqkgmkL1YcPw2T9Xn9raxq/fsT HR30Vzj85vIG8IzYU+BOXjvcgIpNLNXaOaPEN6AaNOKx/Z5+uDucckM9umU= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.126.131 Subject: [Qemu-devel] [PULL 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: 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 Message-Id: <20180104012913.30763-13-laurent@vivier.eu> --- 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