From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36120) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eWB6L-0001Y4-Kr for qemu-devel@nongnu.org; Mon, 01 Jan 2018 20:10:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eWB6I-000570-IS for qemu-devel@nongnu.org; Mon, 01 Jan 2018 20:10:45 -0500 Received: from mout.kundenserver.de ([212.227.126.131]:53606) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eWB6I-00055Z-73 for qemu-devel@nongnu.org; Mon, 01 Jan 2018 20:10:42 -0500 From: Laurent Vivier Date: Tue, 2 Jan 2018 02:10:27 +0100 Message-Id: <20180102011032.30056-13-laurent@vivier.eu> In-Reply-To: <20180102011032.30056-1-laurent@vivier.eu> References: <20180102011032.30056-1-laurent@vivier.eu> Subject: [Qemu-devel] [PATCH v5 12/17] target/m68k: implement fsave/frestore List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Thomas Huth , Laurent Vivier Signed-off-by: Laurent Vivier --- 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 68b67bc0a3..4fced68ceb 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -5165,28 +5165,35 @@ 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 -- 2.14.3