From nobody Wed Nov 5 15:06:57 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 153486076487528.951797241884606; Tue, 21 Aug 2018 07:12:44 -0700 (PDT) Received: from localhost ([::1]:53829 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fs7Oh-00070N-Qe for importer@patchew.org; Tue, 21 Aug 2018 10:12:39 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33956) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fs6lV-0000qv-J0 for qemu-devel@nongnu.org; Tue, 21 Aug 2018 09:32:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fs6lS-0006wp-M1 for qemu-devel@nongnu.org; Tue, 21 Aug 2018 09:32:09 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:49348 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 1fs6lS-0006uv-9U for qemu-devel@nongnu.org; Tue, 21 Aug 2018 09:32:06 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id BAEAA1A460F; Tue, 21 Aug 2018 15:32:01 +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 9EB561A2078; Tue, 21 Aug 2018 15:32:01 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Tue, 21 Aug 2018 15:31:15 +0200 Message-Id: <1534858316-12945-6-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534858316-12945-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1534858316-12945-1-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 v3 05/46] 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 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: 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 | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/target/mips/translate.c b/target/mips/translate.c index 7fb322b..4184d91 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -16586,6 +16586,19 @@ enum { NM_EVP =3D 0x01, }; =20 + +/* + * + * nanoMIPS decoding engine + * + */ + +static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx) +{ + return 2; +} + + /* SmartMIPS extension to MIPS32 */ =20 #if defined(TARGET_MIPS64) @@ -21402,7 +21415,10 @@ static void mips_tr_translate_insn(DisasContextBas= e *dcbase, CPUState *cs) int is_slot; =20 is_slot =3D ctx->hflags & MIPS_HFLAG_BMASK; - if (!(ctx->hflags & MIPS_HFLAG_M16)) { + if (ctx->insn_flags & ISA_NANOMIPS32) { + ctx->opcode =3D cpu_lduw_code(env, ctx->base.pc_next); + insn_bytes =3D decode_nanomips_opc(env, ctx); + } else if (!(ctx->hflags & MIPS_HFLAG_M16)) { ctx->opcode =3D cpu_ldl_code(env, ctx->base.pc_next); insn_bytes =3D 4; decode_opc(env, ctx); --=20 2.7.4