From patchwork Thu May 25 21:04:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 767124 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 3wYhhF2py4z9s8N for ; Fri, 26 May 2017 07:08:45 +1000 (AEST) Received: from localhost ([::1]:33701 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDzzu-0000eh-UA for incoming@patchwork.ozlabs.org; Thu, 25 May 2017 17:08:42 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55169) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dDzwb-0005dL-65 for qemu-devel@nongnu.org; Thu, 25 May 2017 17:05:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dDzwZ-0001Kx-Q6 for qemu-devel@nongnu.org; Thu, 25 May 2017 17:05:17 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:37384) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dDzwZ-0001JE-Cx for qemu-devel@nongnu.org; Thu, 25 May 2017 17:05:15 -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 1dDzwX-0008Qx-6m; Thu, 25 May 2017 23:05:13 +0200 Received: from aurel32 by ohm.rr44.fr with local (Exim 4.89) (envelope-from ) id 1dDzwV-0001JR-Oq; Thu, 25 May 2017 23:05:11 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Thu, 25 May 2017 23:04:50 +0200 Message-Id: <20170525210508.4910-9-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 08/26] target/s390x: implement MOVE INVERSE 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 Reviewed-by: Richard Henderson --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 2 ++ target/s390x/mem_helper.c | 12 ++++++++++++ target/s390x/translate.c | 8 ++++++++ 4 files changed, 23 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index fdd6e76410..7d6f11abe8 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -3,6 +3,7 @@ DEF_HELPER_FLAGS_4(nc, TCG_CALL_NO_WG, i32, env, i32, i64, i64) DEF_HELPER_FLAGS_4(oc, TCG_CALL_NO_WG, i32, env, i32, i64, i64) DEF_HELPER_FLAGS_4(xc, TCG_CALL_NO_WG, i32, env, i32, i64, i64) DEF_HELPER_FLAGS_4(mvc, TCG_CALL_NO_WG, void, env, i32, i64, i64) +DEF_HELPER_FLAGS_4(mvcin, TCG_CALL_NO_WG, void, env, i32, i64, i64) DEF_HELPER_FLAGS_4(clc, TCG_CALL_NO_WG, i32, env, i32, i64, i64) DEF_HELPER_3(mvcl, i32, env, i32, i32) DEF_HELPER_FLAGS_4(clm, TCG_CALL_NO_WG, i32, env, i32, i32, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 751e3164dd..52f943c71e 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -566,6 +566,8 @@ C(0xe548, MVGHI, SIL, GIE, la1, i2, 0, m1_64, mov2, 0) C(0x9200, MVI, SI, Z, la1, i2, 0, m1_8, mov2, 0) C(0xeb52, MVIY, SIY, LD, la1, i2, 0, m1_8, mov2, 0) +/* MOVE INVERSE */ + C(0xe800, MVCIN, SS_a, Z, la1, a2, 0, 0, mvcin, 0) /* MOVE LONG */ C(0x0e00, MVCL, RR_a, Z, 0, 0, 0, 0, mvcl, 0) /* MOVE LONG EXTENDED */ diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index f650b08779..7faaf588a5 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -232,6 +232,18 @@ void HELPER(mvc)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src) do_helper_mvc(env, l, dest, src, GETPC()); } +/* move inverse */ +void HELPER(mvcin)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src) +{ + uintptr_t ra = GETPC(); + int i; + + for (i = 0; i <= l; i++) { + uint8_t v = cpu_ldub_data_ra(env, src - i, ra); + cpu_stb_data_ra(env, dest + i, v, ra); + } +} + /* compare unsigned byte arrays */ static uint32_t do_helper_clc(CPUS390XState *env, uint32_t l, uint64_t s1, uint64_t s2, uintptr_t ra) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 231b51c313..b939c5a39f 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -2925,6 +2925,14 @@ static ExitStatus op_mvc(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_mvcin(DisasContext *s, DisasOps *o) +{ + TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1)); + gen_helper_mvcin(cpu_env, l, o->addr1, o->in2); + tcg_temp_free_i32(l); + return NO_EXIT; +} + static ExitStatus op_mvcl(DisasContext *s, DisasOps *o) { TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));