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[71.217.91.69]) by smtp.gmail.com with ESMTPSA id m47sm29286qtc.36.2017.06.06.17.32.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Jun 2017 17:32:40 -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=OEzK5ZV/zGlbJQ9DAZsOA1zxT2CuiExan7T+xUTiDiM=; b=ChSKcZBL0fa6xQrDO9xra+v8hK5KvXg1DzV7KkQxawtzDcdYYDxGdvUsconv79E1JD X/rOongoxQnR3fZrkNHM1bBqBkpxevEkZ7sQJUp2tRwDQZqU50sTazIHv+/54Mrb46ri Da1d6/Q1upPclGs43plmKKvC+N1eLtk1akTGKsyAH9+gELsd6o0fAj/yIQmjbUM5EtaA mHAk0dG4VUOtWFd/5wr3611LeUsGRYdItOsfthciFU4mgjF44Tm7Hl5zeUJntEIPTli7 U6eImgqAvvni2pJjlv5pF31uU41VW1TwUK7K752jqL7k9fwDwYd1kLaIYwkhQ7LK1itI HQqg== 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=OEzK5ZV/zGlbJQ9DAZsOA1zxT2CuiExan7T+xUTiDiM=; b=orp4BlVhqhkuf1BAlecP1khYIupYt9ngFage97V9CIozPEEJNjBUFDxdZJhgLkt5eN b0PyvMvMPjnfKq/FdZdPQHA0G18w8ale11Y8b2dbd/sTcGPCmNfY2DnudokWXQvj5lFK PUHSiBD3vLr2Q5kpdZaw+vOXyKxvNo5SZRVXacoS5rKQPIr+gtUMFRWTMGchpKydF3cp XHP6C3oh0kNMWifx+UUWxY/kZyjmrsHB+xOflIm+gxBGi/nH/bfNGSanWYk3RlRFBP8Q V82C0paOIBGbocGmkWTjXYrRBlYQnjV2qrWs3QaBGZiDSOTiyb45B8KPyaBHvuiy+D8A /0lQ== X-Gm-Message-State: AODbwcCq0KNzGGgVmT7kjdYeHz2Uuht5X4bW1fWWG9OL9vQ762USfesu RUidFITsropUHjqlGUY= X-Received: by 10.55.77.215 with SMTP id a206mr31089323qkb.11.1496795561361; Tue, 06 Jun 2017 17:32:41 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 6 Jun 2017 17:31:08 -0700 Message-Id: <20170607003119.14778-60-rth@twiddle.net> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170607003119.14778-1-rth@twiddle.net> References: <20170607003119.14778-1-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c09::242 Subject: [Qemu-devel] [PULL v2 59/70] target/s390x: implement MOVE LONG UNICODE 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 Reviewed-by: Richard Henderson Signed-off-by: Aurelien Jarno Message-Id: <20170531220129.27724-23-aurelien@aurel32.net> Signed-off-by: Richard Henderson --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 2 ++ target/s390x/mem_helper.c | 47 ++++++++++++++++++++++++++++++++++++++++--= ---- target/s390x/translate.c | 21 +++++++++++++++++++++ 4 files changed, 65 insertions(+), 6 deletions(-) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index b672c3b..8ce5e3f 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -23,6 +23,7 @@ DEF_HELPER_4(ex, void, env, i32, i64, i64) DEF_HELPER_FLAGS_4(stam, TCG_CALL_NO_WG, void, env, i32, i64, i32) DEF_HELPER_FLAGS_4(lam, TCG_CALL_NO_WG, void, env, i32, i64, i32) DEF_HELPER_4(mvcle, i32, env, i32, i64, i32) +DEF_HELPER_4(mvclu, i32, env, i32, i64, i32) DEF_HELPER_4(clcle, i32, env, i32, i64, i32) DEF_HELPER_4(clclu, i32, env, i32, i64, i32) DEF_HELPER_3(cegb, i64, env, s64, i32) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index a6aaf50..d16857a 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -580,6 +580,8 @@ C(0x0e00, MVCL, RR_a, Z, 0, 0, 0, 0, mvcl, 0) /* MOVE LONG EXTENDED */ C(0xa800, MVCLE, RS_a, Z, 0, a2, 0, 0, mvcle, 0) +/* MOVE LONG UNICODE */ + C(0xeb8e, MVCLU, RSY_a, E2, 0, a2, 0, 0, mvclu, 0) /* MOVE NUMERICS */ C(0xd100, MVN, SS_a, Z, la1, a2, 0, 0, mvn, 0) /* MOVE PAGE */ diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index 4a7c66c..581f107 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -606,7 +606,7 @@ void HELPER(stam)(CPUS390XState *env, uint32_t r1, uint= 64_t a2, uint32_t r3) static inline uint32_t do_mvcl(CPUS390XState *env, uint64_t *dest, uint64_t *destlen, uint64_t *src, uint64_t *srclen, - uint8_t pad, uintptr_t ra) + uint16_t pad, int wordsize, uintptr_t ra) { uint64_t len =3D MIN(*srclen, *destlen); uint32_t cc; @@ -627,9 +627,22 @@ static inline uint32_t do_mvcl(CPUS390XState *env, *destlen -=3D len; =20 /* Pad the remaining area */ - fast_memset(env, *dest, pad, *destlen, ra); - *dest +=3D *destlen; - *destlen =3D 0; + if (wordsize =3D=3D 1) { + fast_memset(env, *dest, pad, *destlen, ra); + *dest +=3D *destlen; + *destlen =3D 0; + } else { + /* If remaining length is odd, pad with odd byte first. */ + if (*destlen & 1) { + cpu_stb_data_ra(env, *dest, pad & 0xff, ra); + *dest +=3D 1; + *destlen -=3D 1; + } + /* The remaining length is even, pad using words. */ + for (; *destlen; *dest +=3D 2, *destlen -=3D 2) { + cpu_stw_data_ra(env, *dest, pad, ra); + } + } =20 return cc; } @@ -645,7 +658,7 @@ uint32_t HELPER(mvcl)(CPUS390XState *env, uint32_t r1, = uint32_t r2) uint8_t pad =3D env->regs[r2 + 1] >> 24; uint32_t cc; =20 - cc =3D do_mvcl(env, &dest, &destlen, &src, &srclen, pad, ra); + cc =3D do_mvcl(env, &dest, &destlen, &src, &srclen, pad, 1, ra); =20 env->regs[r1 + 1] =3D deposit64(env->regs[r1 + 1], 0, 24, destlen); env->regs[r2 + 1] =3D deposit64(env->regs[r2 + 1], 0, 24, srclen); @@ -667,7 +680,29 @@ uint32_t HELPER(mvcle)(CPUS390XState *env, uint32_t r1= , uint64_t a2, uint8_t pad =3D a2; uint32_t cc; =20 - cc =3D do_mvcl(env, &dest, &destlen, &src, &srclen, pad, ra); + cc =3D do_mvcl(env, &dest, &destlen, &src, &srclen, pad, 1, ra); + + set_length(env, r1 + 1, destlen); + set_length(env, r3 + 1, srclen); + set_address(env, r1, dest); + set_address(env, r3, src); + + return cc; +} + +/* move long unicode */ +uint32_t HELPER(mvclu)(CPUS390XState *env, uint32_t r1, uint64_t a2, + uint32_t r3) +{ + uintptr_t ra =3D GETPC(); + uint64_t destlen =3D get_length(env, r1 + 1); + uint64_t dest =3D get_address(env, r1); + uint64_t srclen =3D get_length(env, r3 + 1); + uint64_t src =3D get_address(env, r3); + uint16_t pad =3D a2; + uint32_t cc; + + cc =3D do_mvcl(env, &dest, &destlen, &src, &srclen, pad, 2, ra); =20 set_length(env, r1 + 1, destlen); set_length(env, r3 + 1, srclen); diff --git a/target/s390x/translate.c b/target/s390x/translate.c index d371d45..4f1a50e 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -3041,6 +3041,27 @@ static ExitStatus op_mvcle(DisasContext *s, DisasOps= *o) return NO_EXIT; } =20 +static ExitStatus op_mvclu(DisasContext *s, DisasOps *o) +{ + int r1 =3D get_field(s->fields, r1); + int r3 =3D get_field(s->fields, r3); + TCGv_i32 t1, t3; + + /* r1 and r3 must be even. */ + if (r1 & 1 || r3 & 1) { + gen_program_exception(s, PGM_SPECIFICATION); + return EXIT_NORETURN; + } + + t1 =3D tcg_const_i32(r1); + t3 =3D tcg_const_i32(r3); + gen_helper_mvclu(cc_op, cpu_env, t1, o->in2, t3); + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t3); + set_cc_static(s); + return NO_EXIT; +} + #ifndef CONFIG_USER_ONLY static ExitStatus op_mvcp(DisasContext *s, DisasOps *o) { --=20 2.9.4