From patchwork Tue Aug 21 13:06:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 960320 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 41vsLM1KQ5z9s7X for ; Tue, 21 Aug 2018 23:42:35 +1000 (AEST) Received: from localhost ([::1]:53651 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fs6vY-0002mL-Nh for incoming@patchwork.ozlabs.org; Tue, 21 Aug 2018 09:42:32 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53379) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fs6Np-00016B-2l for qemu-devel@nongnu.org; Tue, 21 Aug 2018 09:07:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fs6Nl-0008LN-Dy for qemu-devel@nongnu.org; Tue, 21 Aug 2018 09:07:40 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:35429 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 1fs6Nl-0008Jf-3t for qemu-devel@nongnu.org; Tue, 21 Aug 2018 09:07:37 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 71DDB1A463F; Tue, 21 Aug 2018 15:07:34 +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 4EB951A462B; Tue, 21 Aug 2018 15:07:34 +0200 (CEST) From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Tue, 21 Aug 2018 15:06:48 +0200 Message-Id: <1534856848-12102-7-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 06/46] target/mips: Add nanoMIPS decoding and extraction utilities 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Aleksandar Markovic Add some basic utility functions and macros for nanoMIPS decoding engine. Reviewed-by: Richard Henderson Signed-off-by: Yongbok Kim Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- target/mips/translate.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/target/mips/translate.c b/target/mips/translate.c index 4184d91..ab982cf 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -16593,6 +16593,17 @@ enum { * */ + +/* extraction utilities */ + +#define NANOMIPS_EXTRACT_RD(op) ((op >> 7) & 0x7) +#define NANOMIPS_EXTRACT_RS(op) ((op >> 4) & 0x7) +#define NANOMIPS_EXTRACT_RS2(op) uMIPS_RS(op) +#define NANOMIPS_EXTRACT_RS1(op) ((op >> 1) & 0x7) +#define NANOMIPS_EXTRACT_RD5(op) ((op >> 5) & 0x1f) +#define NANOMIPS_EXTRACT_RS5(op) (op & 0x1f) + + static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx) { return 2;