From patchwork Thu May 25 21:05:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 767145 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 3wYhyj1W2Hz9rxw for ; Fri, 26 May 2017 07:21:17 +1000 (AEST) Received: from localhost ([::1]:33756 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dE0C2-0005Hq-Pg for incoming@patchwork.ozlabs.org; Thu, 25 May 2017 17:21:14 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55313) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDzwe-0005gi-18 for qemu-devel@nongnu.org; Thu, 25 May 2017 17:05:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dDzwb-0001Ni-Pp for qemu-devel@nongnu.org; Thu, 25 May 2017 17:05:19 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:37490) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dDzwb-0001Mo-J6 for qemu-devel@nongnu.org; Thu, 25 May 2017 17:05:17 -0400 Received: from [2001:bc8:30d7:121:cc44:2c6c:4d9c:42c0] (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 1dDzwZ-0008SS-SS; Thu, 25 May 2017 23:05:16 +0200 Received: from aurel32 by ohm.rr44.fr with local (Exim 4.89) (envelope-from ) id 1dDzwX-0001LM-J3; Thu, 25 May 2017 23:05:13 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Thu, 25 May 2017 23:05:07 +0200 Message-Id: <20170525210508.4910-26-aurelien@aurel32.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170525210508.4910-1-aurelien@aurel32.net> References: <20170525210508.4910-1-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 25/26] 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: 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 | 9 +++++++++ target/s390x/mem_helper.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ target/s390x/translate.c | 13 +++++++++++++ 4 files changed, 69 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 7bfb0223ce..e469011196 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_4(trXX, i32, env, 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, i64) 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 c0fe04e45c..68364dfec3 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -868,6 +868,15 @@ /* TRANSLATE EXTENDED */ C(0xb2a5, TRE, RRE, Z, 0, r2, r1_P, 0, tre, 0) +/* 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 b6e083c7e1..47e772bb12 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -1240,6 +1240,52 @@ uint32_t HELPER(trt)(CPUS390XState *env, uint32_t len, uint64_t array, return do_helper_trt(env, len, array, trans, GETPC()); } +/* Translate one/two to one/two */ +uint32_t HELPER(trXX)(CPUS390XState *env, uint32_t r1, uint32_t r2, + uint32_t sizes) +{ + uintptr_t ra = GETPC(); + int dsize = (sizes & 1) ? 1 : 2; + int ssize = (sizes & 2) ? 1 : 2; + uint16_t tst = env->regs[0] & ((1 << (8 * dsize)) - 1); + uint64_t tbl = get_address(env, 1) & ~7; + uint64_t dst = get_address(env, r1); + uint64_t len = get_length(env, r1 + 1); + uint64_t src = get_address(env, r2); + uint32_t cc = 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 = 0; i < 0x2000; i++) { + uint16_t sval = cpu_ldusize_data_ra(env, src, ssize, ra); + uint64_t tble = tbl + (sval * dsize); + uint16_t dval = cpu_ldusize_data_ra(env, tble, dsize, ra); + if (dval == tst) { + cc = 1; + break; + } + cpu_stsize_data_ra(env, dst, dval, dsize, ra); + + len -= ssize; + src += ssize; + dst += dsize; + + if (len == 0) { + cc = 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 b51342583e..38c4bf1812 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -4286,6 +4286,19 @@ static ExitStatus op_trt(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_trXX(DisasContext *s, DisasOps *o) +{ + TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1)); + TCGv_i32 r2 = tcg_const_i32(get_field(s->fields, r2)); + TCGv_i32 sizes = tcg_const_i32(s->insn->opc & 3); + gen_helper_trXX(cc_op, cpu_env, r1, r2, sizes); + tcg_temp_free_i32(r1); + tcg_temp_free_i32(r2); + tcg_temp_free_i32(sizes); + set_cc_static(s); + return NO_EXIT; +} + static ExitStatus op_ts(DisasContext *s, DisasOps *o) { TCGv_i32 t1 = tcg_const_i32(0xff);