From patchwork Mon Sep 28 12:36:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 272607 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 619BBC2D0A8 for ; Mon, 28 Sep 2020 12:51:41 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B708521974 for ; Mon, 28 Sep 2020 12:51:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="aDGMsoFv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B708521974 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=quicinc.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35682 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kMsd1-0002qL-Ad for qemu-devel@archiver.kernel.org; Mon, 28 Sep 2020 08:51:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49910) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kMsP4-0004GD-9T for qemu-devel@nongnu.org; Mon, 28 Sep 2020 08:37:14 -0400 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:39958) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kMsOz-0005ej-QI for qemu-devel@nongnu.org; Mon, 28 Sep 2020 08:37:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1601296629; x=1632832629; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=w6tiKpk4csTikjQRQqrcLl3i8YzkM8G9GGhrIgGFbQU=; b=aDGMsoFv7eFLSQfZCcTm9AIhCx1wrRtZjeAWXLKYQZ1m0X6wVV+VAOr9 3ee3nk9GInJNDtlWORysQrA8OXRq9lDVHRTYmfyqF9Il7rvgROKWdHNNb MCYqyn+q0Rx/0BtXgzPxFWNYB6cLvPWH0XiAxRcfJQ/8fQVqyhPerlHvm o=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-02.qualcomm.com with ESMTP; 28 Sep 2020 05:36:53 -0700 X-QCInternal: smtphost Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg04-sd.qualcomm.com with ESMTP; 28 Sep 2020 05:36:53 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 6CD1ACE1; Mon, 28 Sep 2020 07:36:53 -0500 (CDT) From: Taylor Simpson To: tsimpson@quicinc.com Subject: [RFC PATCH v4 17/29] Hexagon (target/hexagon) generator phase 1 - C preprocessor for semantics Date: Mon, 28 Sep 2020 07:36:36 -0500 Message-Id: <1601296608-29390-18-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1601296608-29390-1-git-send-email-tsimpson@quicinc.com> References: <1601296608-29390-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Received-SPF: pass client-ip=199.106.114.39; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-02.qualcomm.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/28 08:36:52 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] 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=0.199, 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: "open list:All patches CC here" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Run the C preprocessor across the instruction definition files and macro definitoin 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 --- 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..1b198cb --- /dev/null +++ b/target/hexagon/gen_semantics.c @@ -0,0 +1,88 @@ +/* + * Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * 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 != 2) { + fprintf(stderr, "Usage: gen_semantics ouptputfile\n"); + return -1; + } + outfile = fopen(argv[1], "w"); + if (outfile == 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=add(Rs32,Rt32)",ATTRIBS(), + * "Add 32-bit registers", + * { RdV=RsV+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; +}