From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39316) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dGBgc-000168-UY 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-0005TD-Iv for qemu-devel@nongnu.org; Wed, 31 May 2017 18:01:50 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:34956) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dGBgb-0005La-8J for qemu-devel@nongnu.org; Wed, 31 May 2017 18:01:49 -0400 From: Aurelien Jarno Date: Thu, 1 Jun 2017 00:01:07 +0200 Message-Id: <20170531220129.27724-9-aurelien@aurel32.net> In-Reply-To: <20170531220129.27724-1-aurelien@aurel32.net> References: <20170531220129.27724-1-aurelien@aurel32.net> Subject: [Qemu-devel] [PATCH v3 08/30] target/s390x: implement STORE PAIR TO QUADWORD List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Aurelien Jarno , Richard Henderson , Alexander Graf Signed-off-by: Aurelien Jarno --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 2 ++ target/s390x/mem_helper.c | 12 ++++++++++++ target/s390x/translate.c | 6 ++++++ 4 files changed, 21 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index ca78d1b162..596fec28ca 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -88,6 +88,7 @@ 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) +DEF_HELPER_FLAGS_4(stpq, TCG_CALL_NO_WG, void, env, i64, i64, 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 53c86d5832..5314162b3d 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -770,6 +770,8 @@ /* STORE ACCESS MULTIPLE */ C(0x9b00, STAM, RS_a, Z, 0, a2, 0, 0, stam, 0) C(0xeb9b, STAMY, RSY_a, LD, 0, a2, 0, 0, stam, 0) +/* STORE PAIR TO QUADWORD */ + C(0xe38e, STPQ, RXY_a, Z, 0, a2, r1_P, 0, stpq, 0) /* SUBTRACT */ C(0x1b00, SR, RR_a, Z, r1, r2, new, r1_32, sub, subs32) diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index 4f34f873c7..15b5f45b77 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -1250,6 +1250,18 @@ uint64_t HELPER(lpq)(CPUS390XState *env, uint64_t addr) return int128_gethi(v); } +/* store pair to quadword */ +void HELPER(stpq)(CPUS390XState *env, uint64_t addr, + uint64_t low, uint64_t high) +{ + 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 = int128_make128(low, high); + helper_atomic_sto_be_mmu(env, addr, v, oi, ra); +} + /* 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 ec61590e50..6635877bbd 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -4019,6 +4019,12 @@ static ExitStatus op_stmh(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_stpq(DisasContext *s, DisasOps *o) +{ + gen_helper_stpq(cpu_env, o->in2, o->out2, o->out); + return NO_EXIT; +} + static ExitStatus op_srst(DisasContext *s, DisasOps *o) { gen_helper_srst(o->in1, cpu_env, regs[0], o->in1, o->in2); -- 2.11.0