From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41825) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YrZxb-0003Ye-OA for qemu-devel@nongnu.org; Sun, 10 May 2015 18:44:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YrZxW-0003us-OB for qemu-devel@nongnu.org; Sun, 10 May 2015 18:44:35 -0400 Received: from blu004-omc1s31.hotmail.com ([65.55.116.42]:60870) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YrZxW-0003um-Jp for qemu-devel@nongnu.org; Sun, 10 May 2015 18:44:30 -0400 Message-ID: Date: Mon, 11 May 2015 06:44:55 +0800 From: Chen Gang MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [PATCH 08/10 v10] target-tilegx: Add helper features for linux-user List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell , =?UTF-8?B?QW5kcmVhcyBGw6RyYg==?= =?UTF-8?B?ZXI=?= , "rth@twiddle.net" , Chris Metcalf Cc: "walt@tilera.com" , Riku Voipio , qemu-devel Add several helpers for translation. Signed-off-by: Chen Gang --- target-tilegx/helper.c | 41 +++++++++++++++++++++++++++++++++++++++++ target-tilegx/helper.h | 3 +++ 2 files changed, 44 insertions(+) create mode 100644 target-tilegx/helper.c create mode 100644 target-tilegx/helper.h diff --git a/target-tilegx/helper.c b/target-tilegx/helper.c new file mode 100644 index 0000000..5fc53a8 --- /dev/null +++ b/target-tilegx/helper.c @@ -0,0 +1,41 @@ +/* + * QEMU TILE-Gx helpers + * + * Copyright (c) 2015 Chen Gang + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see + * + */ + +#include "cpu.h" +#include "qemu-common.h" +#include "exec/helper-proto.h" + +void helper_exception(CPUTLGState *env, uint32_t excp) +{ + CPUState *cs = CPU(tilegx_env_get_cpu(env)); + + cs->exception_index = excp; + cpu_loop_exit(cs); +} + +uint64_t helper_cntlz(uint64_t arg) +{ + return clz64(arg); +} + +uint64_t helper_cnttz(uint64_t arg) +{ + return ctz64(arg); +} diff --git a/target-tilegx/helper.h b/target-tilegx/helper.h new file mode 100644 index 0000000..15f841f --- /dev/null +++ b/target-tilegx/helper.h @@ -0,0 +1,3 @@ +DEF_HELPER_2(exception, noreturn, env, i32) +DEF_HELPER_FLAGS_1(cntlz, TCG_CALL_NO_RWG_SE, i64, i64) +DEF_HELPER_FLAGS_1(cnttz, TCG_CALL_NO_RWG_SE, i64, i64) -- 1.9.3