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[98.155.27.246]) by smtp.gmail.com with ESMTPSA id j191sm52854419pgc.53.2017.06.04.10.36.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 04 Jun 2017 10:36:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=9KKCKn6D5Mt6GxDxc0wporwjcppwRwHGtuhIDzT95XM=; b=ffBvRx2/bVOdtjVxAJdCNC15X2GDPWeEA07FJNWqimg+KJqbN2C7n0+9K4euLueZur yb9SKaw2Vq/UVeV2s7o+ESixZi5DFwF8MPjansLtIU/BE2uDM0abY8/3oZJpDaRyZtCk 6IOp6RVhnIZefLccubXq1JMf6PUY/SfQ2tes6JeGK6NDhZJU1e51TRgZoeYhTMniT5wB YO8wJgF9ZsSSN8hmvSYzX0rBdlca0QiUxk9K/AKvhVtP6pU4q9UB54/CaPblkJ2Ql6ri HEQth9sZ/1b86/C5nH0z/uTWri5vEEtwrZdK/sVmeyJIh88LE89hi4D9P0XaVsL+X34d kg3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=9KKCKn6D5Mt6GxDxc0wporwjcppwRwHGtuhIDzT95XM=; b=W/TjYZJM2z3IjcniD4lpAn0UsMJLilhESVs81sSf6jkhFM80hKVZLdsZRTEAMn59cE QmE/XpdYGxivClKoQdWdKnssidam2MxdJ8BYH4lknO1b8Rzs53KRHxp7ywzTzJZ6ho0/ Sy05MFRxlX1BycCGHKLZFAjmit6o6pDebh7CTdtm/2zObaGEwRz8r9Q+zC1UFPRStJAp bCRwyIllLidpb/2OYNHw6mxJAZhuCgrqlB8HCm4VPBs5bG99L4lT538+jB4kDhPX4HLU TUAAR6cDt1pR92mvodcLytOisru2hq5C49Do11iQzw7T1ae5BLDMIW5VS9eljvIGef7N tdtw== X-Gm-Message-State: AODbwcAytXm7I69L1AawVynmigp0IGEZSwKC0xI6qR1AYmcUfzdXq4+y 0XVGk5kba5IivLdvsRc= X-Received: by 10.101.72.207 with SMTP id o15mr17154788pgs.212.1496597804205; Sun, 04 Jun 2017 10:36:44 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Sun, 4 Jun 2017 10:35:07 -0700 Message-Id: <20170604173509.29684-68-rth@twiddle.net> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170604173509.29684-1-rth@twiddle.net> References: <20170604173509.29684-1-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c05::243 Subject: [Qemu-devel] [PULL 67/69] target/s390x: implement TRANSLATE ONE/TWO TO ONE/TWO 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: peter.maydell@linaro.org, aurelien@aurel32.net Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Aurelien Jarno Signed-off-by: Aurelien Jarno Message-Id: <20170531220129.27724-29-aurelien@aurel32.net> Signed-off-by: Richard Henderson --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 9 +++++++++ target/s390x/mem_helper.c | 45 ++++++++++++++++++++++++++++++++++++++++++= +++ target/s390x/translate.c | 30 ++++++++++++++++++++++++++++++ 4 files changed, 85 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index c043be6..e139611 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -92,6 +92,7 @@ DEF_HELPER_FLAGS_3(tp, TCG_CALL_NO_WG, i32, env, i64, i32) DEF_HELPER_FLAGS_4(tr, TCG_CALL_NO_WG, void, env, i32, i64, i64) DEF_HELPER_4(tre, i64, env, i64, i64, i64) DEF_HELPER_4(trt, i32, env, i32, i64, i64) +DEF_HELPER_5(trXX, i32, env, i32, i32, i32, i32) DEF_HELPER_4(cksm, i64, env, i64, i64, i64) DEF_HELPER_FLAGS_5(calc_cc, TCG_CALL_NO_RWG_SE, i32, env, i32, i64, i64, i= 64) DEF_HELPER_FLAGS_2(sfpc, TCG_CALL_NO_RWG, void, env, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 7f554ab..73dd05d 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -874,6 +874,15 @@ /* TRANSLATE EXTENDED */ C(0xb2a5, TRE, RRE, Z, 0, r2, r1_P, 0, tre, 0) =20 +/* TRANSLATE ONE TO ONE */ + C(0xb993, TROO, RRF_c, E2, 0, 0, 0, 0, trXX, 0) +/* TRANSLATE ONE TO TWO */ + C(0xb992, TROT, RRF_c, E2, 0, 0, 0, 0, trXX, 0) +/* TRANSLATE TWO TO ONE */ + C(0xb991, TRTO, RRF_c, E2, 0, 0, 0, 0, trXX, 0) +/* TRANSLATE TWO TO TWO */ + C(0xb990, TRTT, RRF_c, E2, 0, 0, 0, 0, trXX, 0) + /* UNPACK */ /* Really format SS_b, but we pack both lengths into one argument for the helper call, so we might as well leave one 8-bit field. */ diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index a9297c1..6fb97fa 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -1196,6 +1196,51 @@ uint32_t HELPER(trt)(CPUS390XState *env, uint32_t le= n, uint64_t array, return do_helper_trt(env, len, array, trans, GETPC()); } =20 +/* Translate one/two to one/two */ +uint32_t HELPER(trXX)(CPUS390XState *env, uint32_t r1, uint32_t r2, + uint32_t tst, uint32_t sizes) +{ + uintptr_t ra =3D GETPC(); + int dsize =3D (sizes & 1) ? 1 : 2; + int ssize =3D (sizes & 2) ? 1 : 2; + uint64_t tbl =3D get_address(env, 1) & ~7; + uint64_t dst =3D get_address(env, r1); + uint64_t len =3D get_length(env, r1 + 1); + uint64_t src =3D get_address(env, r2); + uint32_t cc =3D 3; + int i; + + check_alignment(env, len, ssize, ra); + + /* Lest we fail to service interrupts in a timely manner, */ + /* limit the amount of work we're willing to do. */ + for (i =3D 0; i < 0x2000; i++) { + uint16_t sval =3D cpu_ldusize_data_ra(env, src, ssize, ra); + uint64_t tble =3D tbl + (sval * dsize); + uint16_t dval =3D cpu_ldusize_data_ra(env, tble, dsize, ra); + if (dval =3D=3D tst) { + cc =3D 1; + break; + } + cpu_stsize_data_ra(env, dst, dval, dsize, ra); + + len -=3D ssize; + src +=3D ssize; + dst +=3D dsize; + + if (len =3D=3D 0) { + cc =3D 0; + break; + } + } + + set_address(env, r1, dst); + set_length(env, r1 + 1, len); + set_address(env, r2, src); + + return cc; +} + void HELPER(cdsg)(CPUS390XState *env, uint64_t addr, uint32_t r1, uint32_t r3) { diff --git a/target/s390x/translate.c b/target/s390x/translate.c index a7c564f..8702cc8 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -4348,6 +4348,36 @@ static ExitStatus op_trt(DisasContext *s, DisasOps *= o) return NO_EXIT; } =20 +static ExitStatus op_trXX(DisasContext *s, DisasOps *o) +{ + TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); + TCGv_i32 r2 =3D tcg_const_i32(get_field(s->fields, r2)); + TCGv_i32 sizes =3D tcg_const_i32(s->insn->opc & 3); + TCGv_i32 tst =3D tcg_temp_new_i32(); + int m3 =3D get_field(s->fields, m3); + + /* XXX: the C bit in M3 should be considered as 0 when the + ETF2-enhancement facility is not installed. */ + if (m3 & 1) { + tcg_gen_movi_i32(tst, -1); + } else { + tcg_gen_extrl_i64_i32(tst, regs[0]); + if (s->insn->opc & 3) { + tcg_gen_ext8u_i32(tst, tst); + } else { + tcg_gen_ext16u_i32(tst, tst); + } + } + gen_helper_trXX(cc_op, cpu_env, r1, r2, tst, sizes); + + tcg_temp_free_i32(r1); + tcg_temp_free_i32(r2); + tcg_temp_free_i32(sizes); + tcg_temp_free_i32(tst); + set_cc_static(s); + return NO_EXIT; +} + static ExitStatus op_ts(DisasContext *s, DisasOps *o) { TCGv_i32 t1 =3D tcg_const_i32(0xff); --=20 2.9.4