From patchwork Mon Aug 20 18:16:17 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 959925 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=rt-rk.com 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 41vNZq56pQz9s4v for ; Tue, 21 Aug 2018 05:06:43 +1000 (AEST) Received: from localhost ([::1]:48773 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1frpVh-0004bZ-8Y for incoming@patchwork.ozlabs.org; Mon, 20 Aug 2018 15:06:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45118) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1froyA-00018R-9P for qemu-devel@nongnu.org; Mon, 20 Aug 2018 14:32:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1froks-0001Ts-NS for qemu-devel@nongnu.org; Mon, 20 Aug 2018 14:18:21 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:51266 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 1frokp-0001Nx-Ay for qemu-devel@nongnu.org; Mon, 20 Aug 2018 14:18:16 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 9881C1A2409; Mon, 20 Aug 2018 20:17:08 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id 661ED1A2459; Mon, 20 Aug 2018 20:17:08 +0200 (CEST) From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Mon, 20 Aug 2018 20:16:17 +0200 Message-Id: <1534789014-8310-10-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534789014-8310-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1534789014-8310-1-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] [PATCH v11 09/46] target/mips: Add emulation of nanoMIPS 16-bit shift instructions 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, dnikolic@wavecomp.com, smarkovic@wavecomp.com, richard.henderson@linaro.org, philippe.mathieu.daude@gmail.com, amarkovic@wavecomp.com, pjovanovic@wavecomp.com, pburton@wavecomp.com, aurelien@aurel32.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Yongbok Kim Add emulation of nanoMIPS 16-bit shift instructions. Reviewed-by: Richard Henderson Signed-off-by: Yongbok Kim Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- target/mips/translate.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/target/mips/translate.c b/target/mips/translate.c index b0bbf4c..e3fac1a 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -16765,6 +16765,21 @@ static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx) case NM_P16_MV: break; case NM_P16_SHIFT: + { + int shift = extract32(ctx->opcode, 0, 3); + uint32_t opc = 0; + shift = (shift == 0) ? 8 : shift; + + switch (extract32(ctx->opcode, 3, 1)) { + case NM_SLL16: + opc = OPC_SLL; + break; + case NM_SRL16: + opc = OPC_SRL; + break; + } + gen_shift_imm(ctx, opc, rt, rs, shift); + } break; case NM_P16C: break;