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Thu, 29 Oct 2020 20:09:26 -0400 Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-02.qualcomm.com with ESMTP; 29 Oct 2020 17:08:46 -0700 Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg01-sd.qualcomm.com with ESMTP; 29 Oct 2020 17:08:45 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 6081B411D; Thu, 29 Oct 2020 19:08:45 -0500 (CDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1604016559; x=1635552559; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ea16rMLO9ENk2mX5wAHnY6ZStYfbopsALMRyKJlSI+A=; b=zIVwx1/DCZleS2Vq2Soljn7u1E6j5w6mscO17oAv0QQZuTIPhMDE/9uc 08FK5C1/lzQJEj7HpbuwgikiOqyMQKehzFz6WGvb1Ak4rDJXpAOFN+En1 8AxUJ5l5yZogozmjDlzPixRWHiy/WMd06eBdbyC/k4x0IqVL/WJsqUW7l 4=; X-QCInternal: smtphost From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH v5 19/33] Hexagon (target/hexagon) generator phase 1 - C preprocessor for semantics Date: Thu, 29 Oct 2020 19:08:25 -0500 Message-Id: <1604016519-28065-20-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1604016519-28065-1-git-send-email-tsimpson@quicinc.com> References: <1604016519-28065-1-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=199.106.114.39; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-02.qualcomm.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/29 19:58:53 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=0.249, 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, richard.henderson@linaro.org, at.org@qualcomm.com, laurent@vivier.eu, tsimpson@quicinc.com 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 . + */ + +/* + * 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