From nobody Tue Feb 10 03:37:43 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=1611113967; cv=none; d=zohomail.com; s=zohoarc; b=SoS7MF7/m1zPsd5jWBWo4vFC382zb/D/yjUqOHFCURQoEkkEsZO3C5LISZLfSj5FkdHlbYv0lzdFIRq5xS1mLU/3bpEKFe9OuwJ7M6oDgXq+XirIIVsP5DS0QJ8dSFdYpjm2uT2G76+Md229lXLh2uesF/RcT2g2o0xnI3sc1ME= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1611113967; 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=dSFw1kS/NKJVBtjX1kYjD+ymza+35atTPtUQzHIQu84=; b=goW/tiRyuVQ5Obmo8KzwG2a+WOZsjfP7XoTQjJPiBFrMZ4G4YfCFloLDmE91nzHvkHXzYXmQm1o/HFAzPTPMalTtDKPxaYzugllpFBVw2tY0RIWWuq+PA6NFAu4nrxc98pOJhu9jIVCkSR4tnzOuyJKWJYDkJc8iiya2L/Yddzg= 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 1611113967873800.4725871572824; Tue, 19 Jan 2021 19:39:27 -0800 (PST) Received: from localhost ([::1]:39742 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l24L7-0002dd-LQ for importer@patchew.org; Tue, 19 Jan 2021 22:39:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:47496) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l24Bg-0007FS-V4 for qemu-devel@nongnu.org; Tue, 19 Jan 2021 22:29:40 -0500 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:53873) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l24Bc-0007VW-8P for qemu-devel@nongnu.org; Tue, 19 Jan 2021 22:29:40 -0500 Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-02.qualcomm.com with ESMTP; 19 Jan 2021 19:29:27 -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; 19 Jan 2021 19:29:26 -0800 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id AE0BD29BD; Tue, 19 Jan 2021 21:29:26 -0600 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1611113376; x=1642649376; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dSFw1kS/NKJVBtjX1kYjD+ymza+35atTPtUQzHIQu84=; b=DdGYI9Z29oucZFVNUe9nkl4mabIhFPkQKPpy+CAVpIqhVWj0bhQrdzjN EyxyrUF6Cvxur+dJ9nGfxeulJ+/VDHg07avoZSkWTx39yBO7TuxKzzPEV 74gJwqpbATN6gBS32KvmBlWvFqnvEpfxVfi8H1ZstQ+0nAnUZpVdS4ruo Q=; X-QCInternal: smtphost From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [PATCH v7 21/35] Hexagon (target/hexagon) generator phase 3 - C preprocessor for decode tree Date: Tue, 19 Jan 2021 21:28:54 -0600 Message-Id: <1611113349-24906-22-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1611113349-24906-1-git-send-email-tsimpson@quicinc.com> References: <1611113349-24906-1-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-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 and encoding files to expand macros and prepare the iset.py file. The resulting fill contains python data structures used to build the decode tree. Signed-off-by: Taylor Simpson Reviewed-by: Philippe Mathieu-Daud=C3=A9 . + */ + +/* + * This program generates the encodings file that is processed by + * the dectree.py script to produce the decoding tree. We use the C + * preprocessor to manipulate the files imported from the Hexagon + * architecture library. + */ +#include "qemu/osdep.h" +#include "opcodes.h" + +#define STRINGIZE(X) #X + +const char * const opcode_names[] =3D { +#define OPCODE(IID) STRINGIZE(IID) +#include "opcodes_def_generated.h" + NULL +#undef OPCODE +}; + +/* + * 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;}) + */ +const char * const opcode_syntax[XX_LAST_OPCODE] =3D { +#define Q6INSN(TAG, BEH, ATTRIBS, DESCR, SEM) \ + [TAG] =3D BEH, +#define EXTINSN(TAG, BEH, ATTRIBS, DESCR, SEM) \ + [TAG] =3D BEH, +#include "imported/allidefs.def" +#undef Q6INSN +#undef EXTINSN +}; + +const char * const opcode_rregs[] =3D { +#define REGINFO(TAG, REGINFO, RREGS, WREGS) RREGS, +#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing = */ +#include "op_regs_generated.h" + NULL +#undef REGINFO +#undef IMMINFO +}; + +const char * const opcode_wregs[] =3D { +#define REGINFO(TAG, REGINFO, RREGS, WREGS) WREGS, +#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing = */ +#include "op_regs_generated.h" + NULL +#undef REGINFO +#undef IMMINFO +}; + +const OpcodeEncoding opcode_encodings[] =3D { +#define DEF_ENC32(TAG, ENCSTR) \ + [TAG] =3D { .encoding =3D ENCSTR }, +#define DEF_ENC_SUBINSN(TAG, CLASS, ENCSTR) \ + [TAG] =3D { .encoding =3D ENCSTR, .enc_class =3D CLASS }, +#define DEF_EXT_ENC(TAG, CLASS, ENCSTR) \ + [TAG] =3D { .encoding =3D ENCSTR, .enc_class =3D CLASS }, +#include "imported/encode.def" +#undef DEF_ENC32 +#undef DEF_ENC_SUBINSN +#undef DEF_EXT_ENC +}; + +static const char * const opcode_enc_class_names[XX_LAST_ENC_CLASS] =3D { + "NORMAL", + "16BIT", + "SUBINSN_A", + "SUBINSN_L1", + "SUBINSN_L2", + "SUBINSN_S1", + "SUBINSN_S2", + "EXT_noext", + "EXT_mmvec", +}; + +static const char *get_opcode_enc(int opcode) +{ + const char *tmp =3D opcode_encodings[opcode].encoding; + if (tmp =3D=3D NULL) { + tmp =3D "MISSING ENCODING"; + } + return tmp; +} + +static const char *get_opcode_enc_class(int opcode) +{ + return opcode_enc_class_names[opcode_encodings[opcode].enc_class]; +} + +static void gen_iset_table(FILE *out) +{ + int i; + + fprintf(out, "iset =3D {\n"); + for (i =3D 0; i < XX_LAST_OPCODE; i++) { + fprintf(out, "\t\'%s\' : {\n", opcode_names[i]); + fprintf(out, "\t\t\'tag\' : \'%s\',\n", opcode_names[i]); + fprintf(out, "\t\t\'syntax\' : \'%s\',\n", opcode_syntax[i]); + fprintf(out, "\t\t\'rregs\' : \'%s\',\n", opcode_rregs[i]); + fprintf(out, "\t\t\'wregs\' : \'%s\',\n", opcode_wregs[i]); + fprintf(out, "\t\t\'enc\' : \'%s\',\n", get_opcode_enc(i)); + fprintf(out, "\t\t\'enc_class\' : \'%s\',\n", get_opcode_enc_class= (i)); + fprintf(out, "\t},\n"); + } + fprintf(out, "};\n\n"); +} + +static void gen_tags_list(FILE *out) +{ + int i; + + fprintf(out, "tags =3D [\n"); + for (i =3D 0; i < XX_LAST_OPCODE; i++) { + fprintf(out, "\t\'%s\',\n", opcode_names[i]); + } + fprintf(out, "];\n\n"); +} + +static void gen_enc_ext_spaces_table(FILE *out) +{ + fprintf(out, "enc_ext_spaces =3D {\n"); +#define DEF_EXT_SPACE(SPACEID, ENCSTR) \ + fprintf(out, "\t\'%s\' : \'%s\',\n", #SPACEID, ENCSTR); +#include "imported/encode.def" +#undef DEF_EXT_SPACE + fprintf(out, "};\n\n"); +} + +static void gen_subinsn_groupings_table(FILE *out) +{ + fprintf(out, "subinsn_groupings =3D {\n"); +#define DEF_PACKED32(TAG, TYPEA, TYPEB, ENCSTR) \ + do { \ + fprintf(out, "\t\'%s\' : {\n", #TAG); \ + fprintf(out, "\t\t\'name\' : \'%s\',\n", #TAG); \ + fprintf(out, "\t\t\'class_a\' : \'%s\',\n", #TYPEA); \ + fprintf(out, "\t\t\'class_b\' : \'%s\',\n", #TYPEB); \ + fprintf(out, "\t\t\'enc\' : \'%s\',\n", ENCSTR); \ + fprintf(out, "\t},\n"); \ + } while (0); +#include "imported/encode.def" +#undef DEF_PACKED32 + fprintf(out, "};\n\n"); +} + +int main(int argc, char *argv[]) +{ + FILE *outfile; + + if (argc !=3D 2) { + fprintf(stderr, "Usage: gen_dectree_import 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; + } + + gen_iset_table(outfile); + gen_tags_list(outfile); + gen_enc_ext_spaces_table(outfile); + gen_subinsn_groupings_table(outfile); + + fclose(outfile); + return 0; +} --=20 2.7.4