From nobody Sat Feb 7 06:12:42 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail header.i=@quicinc.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=quicinc.com ARC-Seal: i=1; a=rsa-sha256; t=1612763713; cv=none; d=zohomail.com; s=zohoarc; b=HcEvbiEOFtZS/ZRLW5PHwRWWzxWby3zOOcBgI/JCTLw7i9iVRzWgzqAxlhYrvaWtT4g0gnmSFHPDC3gNHOSzLgKqAzNYJ1K6v9ZH0m7acn0HQ8Zxc5G+GQU8notT3L7tQwBH8eGkH1KPycX08j4FXJLUDBgrPuFJqTzhfwTAJXg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1612763713; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=hKnZt+m24Kq8FMZMIu0H8sNgGymmZDDNaqyl7LFGzQA=; b=J2N4pCOgkORYcWEUW0+BJEkGkUGNCgyefEgmuwCw4MVZwSURme782fNQ/EWYXR3mt3AVZyhVVtx+DhIpOpsCMp99hIfDd5VeMu8wOGhvfgjsqhyRtsJ7DvPO0loFvTDcoDP1yT2M3vBQ+WMaThe2S60C/KuY/rbb5b7qZWHlFFA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail header.i=@quicinc.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1612763713712553.8433496321192; Sun, 7 Feb 2021 21:55:13 -0800 (PST) Received: from localhost ([::1]:56192 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l8zVw-00089E-F8 for importer@patchew.org; Mon, 08 Feb 2021 00:55:12 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55908) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8zNz-0007eq-Cf for qemu-devel@nongnu.org; Mon, 08 Feb 2021 00:47:03 -0500 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:14448) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l8zNq-0006Sz-S1 for qemu-devel@nongnu.org; Mon, 08 Feb 2021 00:46:58 -0500 Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-01.qualcomm.com with ESMTP; 07 Feb 2021 21:46:31 -0800 Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg03-sd.qualcomm.com with ESMTP; 07 Feb 2021 21:46:30 -0800 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 20B864147; Sun, 7 Feb 2021 23:46:30 -0600 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1612763210; x=1644299210; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=hKnZt+m24Kq8FMZMIu0H8sNgGymmZDDNaqyl7LFGzQA=; b=OF5Ed5wGPd+RkmDOtit5Iws1QSpoqyPkIG+6J/aOZxMGsGiIjseI755o SRv/MBz+W2jpZtOXWFy+IyeKuMRcWzVvTU7btMEi6BWeRAAux6I3IzTWi b7yzJoxTKaazEJNz7C+eCJMvY5jWFK0Iu49LZMH4yBhCrZagvWxDtczIm 8=; X-QCInternal: smtphost From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [PATCH v8 19/35] Hexagon (target/hexagon) generator phase 1 - C preprocessor for semantics Date: Sun, 7 Feb 2021 23:46:09 -0600 Message-Id: <1612763186-18161-20-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1612763186-18161-1-git-send-email-tsimpson@quicinc.com> References: <1612763186-18161-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=199.106.114.38; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-01.qualcomm.com X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.248, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ale@rev.ng, bcain@quicinc.com, philmd@redhat.com, richard.henderson@linaro.org, laurent@vivier.eu, tsimpson@quicinc.com, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Run the C preprocessor across the instruction definition files and macro definition file to expand macros and prepare the semantics_generated.pyinc file. The resulting file contains one entry with the semantics for each instruction and one line with the instruction attributes associated with each macro. Signed-off-by: Taylor Simpson Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- target/hexagon/gen_semantics.c | 88 ++++++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 88 insertions(+) create mode 100644 target/hexagon/gen_semantics.c diff --git a/target/hexagon/gen_semantics.c b/target/hexagon/gen_semantics.c new file mode 100644 index 0000000..c5fccec --- /dev/null +++ b/target/hexagon/gen_semantics.c @@ -0,0 +1,88 @@ +/* + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Res= erved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +/* + * This program generates the semantics file that is processed by + * the do_qemu.py script. We use the C preporcessor to manipulate the + * files imported from the Hexagon architecture library. + */ + +#include +#define STRINGIZE(X) #X + +int main(int argc, char *argv[]) +{ + FILE *outfile; + + if (argc !=3D 2) { + fprintf(stderr, "Usage: gen_semantics ouptputfile\n"); + return 1; + } + outfile =3D fopen(argv[1], "w"); + if (outfile =3D=3D NULL) { + fprintf(stderr, "Cannot open %s for writing\n", argv[1]); + return 1; + } + +/* + * Process the instruction definitions + * Scalar core instructions have the following form + * Q6INSN(A2_add,"Rd32=3Dadd(Rs32,Rt32)",ATTRIBS(), + * "Add 32-bit registers", + * { RdV=3DRsV+RtV;}) + */ +#define Q6INSN(TAG, BEH, ATTRIBS, DESCR, SEM) \ + do { \ + fprintf(outfile, "SEMANTICS( \\\n" \ + " \"%s\", \\\n" \ + " %s, \\\n" \ + " \"\"\"%s\"\"\" \\\n" \ + ")\n", \ + #TAG, STRINGIZE(BEH), STRINGIZE(SEM)); \ + fprintf(outfile, "ATTRIBUTES( \\\n" \ + " \"%s\", \\\n" \ + " \"%s\" \\\n" \ + ")\n", \ + #TAG, STRINGIZE(ATTRIBS)); \ + } while (0); +#include "imported/allidefs.def" +#undef Q6INSN + +/* + * Process the macro definitions + * Macros definitions have the following form + * DEF_MACRO( + * fLSBNEW0, + * predlog_read(thread,0), + * () + * ) + * The important part here is the attributes. Whenever an instruction + * invokes a macro, we add the macro's attributes to the instruction. + */ +#define DEF_MACRO(MNAME, BEH, ATTRS) \ + fprintf(outfile, "MACROATTRIB( \\\n" \ + " \"%s\", \\\n" \ + " \"\"\"%s\"\"\", \\\n" \ + " \"%s\" \\\n" \ + ")\n", \ + #MNAME, STRINGIZE(BEH), STRINGIZE(ATTRS)); +#include "imported/macros.def" +#undef DEF_MACRO + + fclose(outfile); + return 0; +} --=20 2.7.4