From nobody Sun Apr 28 15:14:59 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1500303965855870.2114605422317; Mon, 17 Jul 2017 08:06:05 -0700 (PDT) Received: from localhost ([::1]:50941 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dX7az-0004aK-L6 for importer@patchew.org; Mon, 17 Jul 2017 11:06:01 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38965) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dX7RU-0004Wu-LV for qemu-devel@nongnu.org; Mon, 17 Jul 2017 10:56:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dX7RT-0005U0-LF for qemu-devel@nongnu.org; Mon, 17 Jul 2017 10:56:12 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:35368) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dX7RT-0005TS-Dh for qemu-devel@nongnu.org; Mon, 17 Jul 2017 10:56:11 -0400 Received: from ohm.aurel32.net ([2001:bc8:30d7:111::1000]) by hall.aurel32.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1dX7RQ-0002K4-NB; Mon, 17 Jul 2017 16:56:08 +0200 Received: from aurel32 by ohm.aurel32.net with local (Exim 4.89) (envelope-from ) id 1dX7RQ-00041P-0A; Mon, 17 Jul 2017 16:56:08 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Mon, 17 Jul 2017 16:55:55 +0200 Message-Id: <20170717145556.14142-2-aurelien@aurel32.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170717145556.14142-1-aurelien@aurel32.net> References: <20170717145556.14142-1-aurelien@aurel32.net> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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] [PULL 1/2] mips: set CP0 Debug DExcCode for SDBBP instruction 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: Yongbok Kim , Aurelien Jarno , Pavel Dovgalyuk Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 From: Pavel Dovgalyuk This patch fixes setting DExcCode field of CP0 Debug register when SDBBP instruction is executed. According to EJTAG specification, this field must be set to the value 9 (Bp). Signed-off-by: Pavel Dovgalyuk Message-id: 20170502120350.3368.92338.stgit@PASHA-ISP Reviewed-by: Aurelien Jarno Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Aurelien Jarno --- target/mips/helper.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/mips/helper.c b/target/mips/helper.c index e359ca3b44..166f0d1243 100644 --- a/target/mips/helper.c +++ b/target/mips/helper.c @@ -627,6 +627,8 @@ void mips_cpu_do_interrupt(CPUState *cs) goto set_DEPC; case EXCP_DBp: env->CP0_Debug |=3D 1 << CP0DB_DBp; + /* Setup DExcCode - SDBBP instruction */ + env->CP0_Debug =3D (env->CP0_Debug & ~(0x1fULL << CP0DB_DEC)) | 9 = << CP0DB_DEC; goto set_DEPC; case EXCP_DDBS: env->CP0_Debug |=3D 1 << CP0DB_DDBS; --=20 2.11.0 From nobody Sun Apr 28 15:14:59 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1500303896627235.06557879889579; Mon, 17 Jul 2017 08:04:56 -0700 (PDT) Received: from localhost ([::1]:50926 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dX7Zt-0003PZ-7h for importer@patchew.org; Mon, 17 Jul 2017 11:04:53 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38963) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dX7RU-0004Wg-EQ for qemu-devel@nongnu.org; Mon, 17 Jul 2017 10:56:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dX7RT-0005U3-KU for qemu-devel@nongnu.org; Mon, 17 Jul 2017 10:56:12 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:35360) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dX7RT-0005TR-EV for qemu-devel@nongnu.org; Mon, 17 Jul 2017 10:56:11 -0400 Received: from ohm.aurel32.net ([2001:bc8:30d7:111::1000]) by hall.aurel32.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1dX7RQ-0002K7-Pc; Mon, 17 Jul 2017 16:56:08 +0200 Received: from aurel32 by ohm.aurel32.net with local (Exim 4.89) (envelope-from ) id 1dX7RQ-00041W-3C; Mon, 17 Jul 2017 16:56:08 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Mon, 17 Jul 2017 16:55:56 +0200 Message-Id: <20170717145556.14142-3-aurelien@aurel32.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170717145556.14142-1-aurelien@aurel32.net> References: <20170717145556.14142-1-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] [PULL 2/2] target/mips: optimize WSBH, DSBH and DSHD 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: Yongbok Kim , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Use the same mask to avoid having to load two different constants. Suggested-by: Richard Henderson Reviewed-by: Richard Henderson Signed-off-by: Aurelien Jarno --- target/mips/translate.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/target/mips/translate.c b/target/mips/translate.c index befb87f814..fe44f2f807 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -4572,12 +4572,14 @@ static void gen_bshfl (DisasContext *ctx, uint32_t = op2, int rt, int rd) case OPC_WSBH: { TCGv t1 =3D tcg_temp_new(); + TCGv t2 =3D tcg_const_tl(0x00FF00FF); =20 tcg_gen_shri_tl(t1, t0, 8); - tcg_gen_andi_tl(t1, t1, 0x00FF00FF); + tcg_gen_and_tl(t1, t1, t2); + tcg_gen_and_tl(t0, t0, t2); tcg_gen_shli_tl(t0, t0, 8); - tcg_gen_andi_tl(t0, t0, ~0x00FF00FF); tcg_gen_or_tl(t0, t0, t1); + tcg_temp_free(t2); tcg_temp_free(t1); tcg_gen_ext32s_tl(cpu_gpr[rd], t0); } @@ -4592,27 +4594,31 @@ static void gen_bshfl (DisasContext *ctx, uint32_t = op2, int rt, int rd) case OPC_DSBH: { TCGv t1 =3D tcg_temp_new(); + TCGv t2 =3D tcg_const_tl(0x00FF00FF00FF00FFULL); =20 tcg_gen_shri_tl(t1, t0, 8); - tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL); + tcg_gen_and_tl(t1, t1, t2); + tcg_gen_and_tl(t0, t0, t2); tcg_gen_shli_tl(t0, t0, 8); - tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL); tcg_gen_or_tl(cpu_gpr[rd], t0, t1); + tcg_temp_free(t2); tcg_temp_free(t1); } break; case OPC_DSHD: { TCGv t1 =3D tcg_temp_new(); + TCGv t2 =3D tcg_const_tl(0x0000FFFF0000FFFFULL); =20 tcg_gen_shri_tl(t1, t0, 16); - tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL); + tcg_gen_and_tl(t1, t1, t2); + tcg_gen_and_tl(t0, t0, t2); tcg_gen_shli_tl(t0, t0, 16); - tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL); tcg_gen_or_tl(t0, t0, t1); tcg_gen_shri_tl(t1, t0, 32); tcg_gen_shli_tl(t0, t0, 32); tcg_gen_or_tl(cpu_gpr[rd], t0, t1); + tcg_temp_free(t2); tcg_temp_free(t1); } break; --=20 2.11.0