From patchwork Wed May 31 22:01:06 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 769392 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 3wdPvQ2ygKz9s78 for ; Thu, 1 Jun 2017 08:16:18 +1000 (AEST) Received: from localhost ([::1]:34095 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dGBua-0005QB-3B for incoming@patchwork.ozlabs.org; Wed, 31 May 2017 18:16:16 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39324) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dGBgd-00016U-27 for qemu-devel@nongnu.org; Wed, 31 May 2017 18:01:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dGBgb-0005Tl-Kw for qemu-devel@nongnu.org; Wed, 31 May 2017 18:01:51 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:34954) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dGBgb-0005Lh-9I for qemu-devel@nongnu.org; Wed, 31 May 2017 18:01:49 -0400 Received: from [2001:bc8:30d7:120:9bb5:8936:7e6a:9e36] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1dGBgN-0004QC-AM; Thu, 01 Jun 2017 00:01:35 +0200 Received: from aurel32 by ohm.rr44.fr with local (Exim 4.89) (envelope-from ) id 1dGBgL-0000xF-CR; Thu, 01 Jun 2017 00:01:33 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Thu, 1 Jun 2017 00:01:06 +0200 Message-Id: <20170531220129.27724-8-aurelien@aurel32.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170531220129.27724-1-aurelien@aurel32.net> References: <20170531220129.27724-1-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:bc8:30d7:100::1 Subject: [Qemu-devel] [PATCH v3 07/30] target/s390x: implement LOAD PAIR FROM QUADWORD 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: Alexander Graf , Aurelien Jarno , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Aurelien Jarno --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 2 ++ target/s390x/mem_helper.c | 13 +++++++++++++ target/s390x/translate.c | 7 +++++++ 4 files changed, 23 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index c6fbc3b949..ca78d1b162 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -87,6 +87,7 @@ DEF_HELPER_FLAGS_2(sfas, TCG_CALL_NO_WG, void, env, i64) DEF_HELPER_FLAGS_1(popcnt, TCG_CALL_NO_RWG_SE, i64, i64) DEF_HELPER_FLAGS_1(stfl, TCG_CALL_NO_RWG, void, env) DEF_HELPER_2(stfle, i32, env, i64) +DEF_HELPER_FLAGS_2(lpq, TCG_CALL_NO_WG, i64, env, i64) #ifndef CONFIG_USER_ONLY DEF_HELPER_3(servc, i32, env, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index f92bfde4f8..53c86d5832 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -507,6 +507,8 @@ /* LOAD PAIR DISJOINT */ D(0xc804, LPD, SSF, ILA, 0, 0, new_P, r3_P32, lpd, 0, MO_TEUL) D(0xc805, LPDG, SSF, ILA, 0, 0, new_P, r3_P64, lpd, 0, MO_TEQ) +/* LOAD PAIR FROM QUADWORD */ + C(0xe38f, LPQ, RXY_a, Z, 0, a2, r1_P, 0, lpq, 0) /* LOAD POSITIVE */ C(0x1000, LPR, RR_a, Z, 0, r2_32s, new, r1_32, abs, abs32) C(0xb900, LPGR, RRE, Z, 0, r2, r1, 0, abs, abs64) diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index 850472e9ff..4f34f873c7 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -1237,6 +1237,19 @@ uint64_t HELPER(lra)(CPUS390XState *env, uint64_t addr) } #endif +/* load pair from quadword */ +uint64_t HELPER(lpq)(CPUS390XState *env, uint64_t addr) +{ + uintptr_t ra = GETPC(); + int mem_idx = cpu_mmu_index(env, false); + TCGMemOpIdx oi = make_memop_idx(MO_TEQ | MO_ALIGN_16, mem_idx); + + Int128 v = helper_atomic_ldo_be_mmu(env, addr, oi, ra); + + env->retxl = int128_getlo(v); + return int128_gethi(v); +} + /* Execute instruction. This instruction executes an insn modified with the contents of r1. It does not change the executed instruction in memory; it does not change the program counter. diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 00b91c4f3a..ec61590e50 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -2830,6 +2830,13 @@ static ExitStatus op_lpd(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_lpq(DisasContext *s, DisasOps *o) +{ + gen_helper_lpq(o->out, cpu_env, o->in2); + return_low128(o->out2); + return NO_EXIT; +} + #ifndef CONFIG_USER_ONLY static ExitStatus op_lura(DisasContext *s, DisasOps *o) {