From patchwork Thu Aug 23 14:18:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 10574177 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8A56214BD for ; Thu, 23 Aug 2018 14:46:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 88C692C26C for ; Thu, 23 Aug 2018 14:46:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7D3522C279; Thu, 23 Aug 2018 14:46:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 51F052C26C for ; Thu, 23 Aug 2018 14:46:29 +0000 (UTC) Received: from localhost ([::1]:36956 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsqsW-0006qi-IB for patchwork-qemu-devel@patchwork.kernel.org; Thu, 23 Aug 2018 10:46:28 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33630) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsqSK-0005HZ-L3 for qemu-devel@nongnu.org; Thu, 23 Aug 2018 10:19:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fsqSD-0004m0-SR for qemu-devel@nongnu.org; Thu, 23 Aug 2018 10:19:24 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:57028 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 1fsqS9-0004jV-Rx for qemu-devel@nongnu.org; Thu, 23 Aug 2018 10:19:15 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 887851A413A; Thu, 23 Aug 2018 16:19:07 +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 4291E1A39CA; Thu, 23 Aug 2018 16:19:07 +0200 (CEST) From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Thu, 23 Aug 2018 16:18:24 +0200 Message-Id: <1535033941-861-10-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1535033941-861-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1535033941-861-1-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 v5 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 Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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;