From patchwork Thu Aug 16 14:57:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aleksandar Markovic X-Patchwork-Id: 958351 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 41rqWZ47Bfz9s3x for ; Fri, 17 Aug 2018 01:10:02 +1000 (AEST) Received: from localhost ([::1]:56239 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fqJuS-00008E-3l for incoming@patchwork.ozlabs.org; Thu, 16 Aug 2018 11:10:00 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56047) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fqJl3-0005NC-7L for qemu-devel@nongnu.org; Thu, 16 Aug 2018 11:00:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fqJkt-0000cf-3K for qemu-devel@nongnu.org; Thu, 16 Aug 2018 11:00:14 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:43006 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 1fqJks-0000aR-Hn for qemu-devel@nongnu.org; Thu, 16 Aug 2018 11:00:06 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 6D10F1A23D6; Thu, 16 Aug 2018 16:58:59 +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 413A61A23C0; Thu, 16 Aug 2018 16:58:59 +0200 (CEST) From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Thu, 16 Aug 2018 16:57:12 +0200 Message-Id: <1534431497-1385-20-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534431497-1385-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1534431497-1385-1-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 v9 19/84] target/mips: Add placeholder and invocation of decode_nanomips_opc() 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, pburton@wavecomp.com, smarkovic@wavecomp.com, riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, philippe.mathieu.daude@gmail.com, amarkovic@wavecomp.com, pjovanovic@wavecomp.com, aurelien@aurel32.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Aleksandar Markovic Add empty body and invocation of decode_nanomips_opc() if the bit ISA_NANOMIPS32 is set in ctx->insn_flags. Reviewed-by: Richard Henderson Signed-off-by: Yongbok Kim Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- target/mips/translate.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/target/mips/translate.c b/target/mips/translate.c index 4f95b9a..2682ede 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -16586,6 +16586,19 @@ enum { NM_EVP = 0x01, }; + +/* + * + * nanoMIPS decoding engine + * + */ + +static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx) +{ + return 2; +} + + /* SmartMIPS extension to MIPS32 */ #if defined(TARGET_MIPS64) @@ -21406,6 +21419,9 @@ static void mips_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) ctx->opcode = cpu_ldl_code(env, ctx->base.pc_next); insn_bytes = 4; decode_opc(env, ctx); + } else if (ctx->insn_flags & ISA_NANOMIPS32) { + ctx->opcode = cpu_lduw_code(env, ctx->base.pc_next); + insn_bytes = decode_nanomips_opc(env, ctx); } else if (ctx->insn_flags & ASE_MICROMIPS) { ctx->opcode = cpu_lduw_code(env, ctx->base.pc_next); insn_bytes = decode_micromips_opc(env, ctx);