From nobody Wed Nov 5 15:02:41 2025 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 1534857393104533.1361223195621; Tue, 21 Aug 2018 06:16:33 -0700 (PDT) Received: from localhost ([::1]:53475 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fs6WJ-0000s7-5u for importer@patchew.org; Tue, 21 Aug 2018 09:16:27 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53384) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fs6Np-00016I-4U for qemu-devel@nongnu.org; Tue, 21 Aug 2018 09:07:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fs6Nm-0008Og-M4 for qemu-devel@nongnu.org; Tue, 21 Aug 2018 09:07:40 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:35470 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fs6Nm-0008Lu-Ce for qemu-devel@nongnu.org; Tue, 21 Aug 2018 09:07:38 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id D4A691A462B; Tue, 21 Aug 2018 15:07:34 +0200 (CEST) Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id 8C5FE1A4651; Tue, 21 Aug 2018 15:07:34 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Tue, 21 Aug 2018 15:06:57 +0200 Message-Id: <1534856848-12102-16-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534856848-12102-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1534856848-12102-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 89.216.37.149 Subject: [Qemu-devel] [PULL v2 15/46] target/mips: Add emulation of nanoMIPS instructions MOVE.P and MOVE.PREV 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 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" From: Yongbok Kim Add emulation of nanoMIPS instructions MOVE.P and MOVE.PREV. Reviewed-by: Richard Henderson Signed-off-by: Yongbok Kim Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- target/mips/translate.c | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/target/mips/translate.c b/target/mips/translate.c index cbe3779..8bc08f7 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -17438,8 +17438,39 @@ static int decode_nanomips_opc(CPUMIPSState *env, = DisasContext *ctx) } break; case NM_MOVEP: - break; case NM_MOVEPREV: + { + static const int gpr2reg1[] =3D {4, 5, 6, 7}; + static const int gpr2reg2[] =3D {5, 6, 7, 8}; + int re; + int rd2 =3D extract32(ctx->opcode, 3, 1) << 1 | + extract32(ctx->opcode, 8, 1); + int r1 =3D gpr2reg1[rd2]; + int r2 =3D gpr2reg2[rd2]; + int r3 =3D extract32(ctx->opcode, 4, 1) << 3 | + extract32(ctx->opcode, 0, 3); + int r4 =3D extract32(ctx->opcode, 9, 1) << 3 | + extract32(ctx->opcode, 5, 3); + TCGv t0 =3D tcg_temp_new(); + TCGv t1 =3D tcg_temp_new(); + if (op =3D=3D NM_MOVEP) { + rd =3D r1; + re =3D r2; + rs =3D decode_gpr_gpr4_zero(r3); + rt =3D decode_gpr_gpr4_zero(r4); + } else { + rd =3D decode_gpr_gpr4(r3); + re =3D decode_gpr_gpr4(r4); + rs =3D r1; + rt =3D r2; + } + gen_load_gpr(t0, rs); + gen_load_gpr(t1, rt); + tcg_gen_mov_tl(cpu_gpr[rd], t0); + tcg_gen_mov_tl(cpu_gpr[re], t1); + tcg_temp_free(t0); + tcg_temp_free(t1); + } break; default: return decode_nanomips_32_48_opc(env, ctx); --=20 2.7.4