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[64.112.177.9]) by smtp.gmail.com with ESMTPSA id d100-v6sm4897991qkh.34.2018.08.20.19.51.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 Aug 2018 19:51:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DDU2T++AG1+T036R3odwIsHd2DpbZwmswJ0m+issXw8=; b=ptcUEAXsHnEIWUe/cN6i3mLi4kOjY+DR4CSQpyDY4EaH6+HIa6Z0VRLALw/1Fb4ViC SlxwvYJ5OKV2YOaLOCub1SlpHlPd2dQblccf+x4hM3ZNjQ1Niz5kFg+J17OV1eRWMFNI buUx/ZCaxHqr5URuukAaAJ6vEGe6Jy7ccSRGtgm8TQoFwt7MSUt16c0SUjmWKmOadajT +rEmDNPaaJGk2MzLbF4XRagAv7NXyrbrJKvlK/4dYX8gtfelruj5G0z7tq3olSe3nv+Q 2udZj4l1URnP8LdNRrd+z6pZznTjv7a2kGa+bimup9+Qwq8c2IGCfW/f8S+lcn5iRd+R eifA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DDU2T++AG1+T036R3odwIsHd2DpbZwmswJ0m+issXw8=; b=OBU5PHCsR3tGvw4AHaMjMTydI88wlLWBKicI5cTPZOMN0fYwvoLqYsFVOqW8xEZAg2 ZXU8GAJ/Hd+miesW5qs9zNcLylB8eZRr2C64yGwR9ms0p+2DDK4LuDLnJtyuKV9UXqKP Xz3r2L3vcjK7QPER0lulUBh/l8e4byYkGBKdKvvPI9nyxNoZ3XxRIVOqAakt4gxpClX3 SAYkZGHccdOUnuPjIsFi+gwynjKZs2gQylAZmVIGK98XzEO+IMogQQ9+4P1wS351fG8D Y7juoddZpzTEuwrTCokiKfza1ltAc31oYXua6s48poldJ/MpBnJ4Fl97TioLeMJrGYsE +80Q== X-Gm-Message-State: APzg51AuJUfhYnoyzNzGai0LxbWoIQeUmSYNokp70epNk7+hkPfDimVR W4SQ2bfrCu1CWgIekxfUBayu1gtmAvM= X-Google-Smtp-Source: ANB0VdaF8Rk+XD3Qycln4i/P4QqXyR+ZMJW3X2OXdlbs342BsfBYbWAuNloJf3I0qNFRbKZKOgUmUQ== X-Received: by 2002:a0c:af34:: with SMTP id i49-v6mr11706478qvc.125.1534819895787; Mon, 20 Aug 2018 19:51:35 -0700 (PDT) From: Pavel Zbitskiy To: qemu-devel@nongnu.org Date: Mon, 20 Aug 2018 22:51:04 -0400 Message-Id: <20180821025104.19604-8-pavel.zbitskiy@gmail.com> In-Reply-To: <20180821025104.19604-1-pavel.zbitskiy@gmail.com> References: <20180821025104.19604-1-pavel.zbitskiy@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c0d::242 Subject: [Qemu-devel] [PATCH 7/7] target/s390x: implement CVB, CVBY and CVBG 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: Pavel Zbitskiy , david@redhat.com, cohuck@redhat.com, richard.henderson@linaro.org, Alexander Graf , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDMRC_1 RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Convert to Binary - counterparts of the already implemented Convert to Decimal (CVD*) instructions. Example from the Principles of Operation: 25594C becomes 63FA. Signed-off-by: Pavel Zbitskiy --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 4 +++ target/s390x/int_helper.c | 50 +++++++++++++++++++++++++++++++++ target/s390x/translate.c | 10 +++++++ tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/cvb.c | 18 ++++++++++++ 6 files changed, 84 insertions(+) create mode 100644 tests/tcg/s390x/cvb.c diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 97c60ca7bc..46baaee0ab 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -88,6 +88,7 @@ DEF_HELPER_FLAGS_4(tcxb, TCG_CALL_NO_RWG_SE, i32, env, i6= 4, i64, i64) DEF_HELPER_FLAGS_2(sqeb, TCG_CALL_NO_WG, i64, env, i64) DEF_HELPER_FLAGS_2(sqdb, TCG_CALL_NO_WG, i64, env, i64) DEF_HELPER_FLAGS_3(sqxb, TCG_CALL_NO_WG, i64, env, i64, i64) +DEF_HELPER_FLAGS_3(cvb, TCG_CALL_NO_WG, i64, env, i64, i32) DEF_HELPER_FLAGS_1(cvd, TCG_CALL_NO_RWG_SE, i64, s32) DEF_HELPER_FLAGS_4(pack, TCG_CALL_NO_WG, void, env, i32, i64, i64) DEF_HELPER_FLAGS_4(pka, TCG_CALL_NO_WG, void, env, i64, i64, i32) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 9c7b434fca..1b29a5e044 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -284,6 +284,10 @@ D(0xec73, CLFIT, RIE_a, GIE, r1_32u, i2_32u, 0, 0, ct, 0, 1) D(0xec71, CLGIT, RIE_a, GIE, r1_o, i2_32u, 0, 0, ct, 0, 1) =20 +/* CONVERT TO BINARY */ + C(0x4f00, CVB, RX_a, Z, 0, a2, new, r1_32, cvb, 0) + C(0xe306, CVBY, RXY_a, LD, 0, a2, new, r1_32, cvb, 0) + C(0xe30e, CVBG, RXY_a, Z, 0, a2, r1, 0, cvb, 0) /* CONVERT TO DECIMAL */ C(0x4e00, CVD, RX_a, Z, r1_o, a2, 0, 0, cvd, 0) C(0xe326, CVDY, RXY_a, LD, r1_o, a2, 0, 0, cvd, 0) diff --git a/target/s390x/int_helper.c b/target/s390x/int_helper.c index abf77a94e6..66c6dc8b3a 100644 --- a/target/s390x/int_helper.c +++ b/target/s390x/int_helper.c @@ -24,6 +24,7 @@ #include "exec/exec-all.h" #include "qemu/host-utils.h" #include "exec/helper-proto.h" +#include "exec/cpu_ldst.h" =20 /* #define DEBUG_HELPER */ #ifdef DEBUG_HELPER @@ -118,6 +119,55 @@ uint64_t HELPER(divu64)(CPUS390XState *env, uint64_t a= h, uint64_t al, return ret; } =20 +static void general_operand_exception(CPUS390XState *env, uintptr_t ra) +{ +#ifndef CONFIG_USER_ONLY + LowCore *lowcore; + + lowcore =3D cpu_map_lowcore(env); + lowcore->data_exc_code =3D 0; + cpu_unmap_lowcore(lowcore); +#endif + s390_program_interrupt(env, PGM_DATA, ILEN_AUTO, ra); +} + +uint64_t HELPER(cvb)(CPUS390XState *env, uint64_t src, uint32_t n) +{ + int i, j; + uintptr_t ra =3D GETPC(); + int64_t dec, sign =3D 0, digit, val =3D 0, pow10 =3D 0; + + for (i =3D 0; i < n; i++) { + dec =3D cpu_ldq_data_ra(env, src + (n - i - 1) * 8, ra); + for (j =3D 0; j < 16; j++, dec >>=3D 4) { + if (i =3D=3D 0 && j =3D=3D 0) { + sign =3D dec & 0xf; + if (sign < 0xa) { + general_operand_exception(env, ra); + } + continue; + } + digit =3D dec & 0xf; + if (digit > 0x9) { + general_operand_exception(env, ra); + } + if (i =3D=3D 0 && j =3D=3D 1) { + if (sign =3D=3D 0xb || sign =3D=3D 0xd) { + val =3D -digit; + pow10 =3D -10; + } else { + val =3D digit; + pow10 =3D 10; + } + } else { + val +=3D digit * pow10; + pow10 *=3D 10; + } + } + } + return val; +} + uint64_t HELPER(cvd)(int32_t reg) { /* positive 0 */ diff --git a/target/s390x/translate.c b/target/s390x/translate.c index f58b36b789..b3cbfead5d 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -2115,6 +2115,16 @@ static DisasJumpType op_csp(DisasContext *s, DisasOp= s *o) } #endif =20 +static DisasJumpType op_cvb(DisasContext *s, DisasOps *o) +{ + uint64_t n =3D ((s->fields->op =3D=3D 0xE3) && (s->fields->op2 =3D=3D = 0x0E)) ? + /* CVBG */ 2 : + /* CVB, CVBY */ 1; + + gen_helper_cvb(o->out, cpu_env, o->in2, tcg_const_i32(n)); + return DISAS_NEXT; +} + static DisasJumpType op_cvd(DisasContext *s, DisasOps *o) { TCGv_i64 t1 =3D tcg_temp_new_i64(); diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index 151dc075aa..990dfb26ff 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -6,3 +6,4 @@ TESTS+=3Dipm TESTS+=3Dexrl-trt TESTS+=3Dexrl-trtr TESTS+=3Dpack +TESTS+=3Dcvb diff --git a/tests/tcg/s390x/cvb.c b/tests/tcg/s390x/cvb.c new file mode 100644 index 0000000000..3a72e132aa --- /dev/null +++ b/tests/tcg/s390x/cvb.c @@ -0,0 +1,18 @@ +#include +#include + +int main(void) +{ + uint64_t data =3D 0x000000000025594cull; + uint64_t result =3D 0; + + asm volatile( + " cvb %[result],%[data]\n" + : [result] "+r" (result) + : [data] "m" (data)); + if (result !=3D 0x63fa) { + write(1, "bad result\n", 11); + return 1; + } + return 0; +} --=20 2.18.0