From patchwork Tue Aug 18 15:50:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 11721913 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 36A001392 for ; Tue, 18 Aug 2020 16:03:17 +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 F2AFC207D3 for ; Tue, 18 Aug 2020 16:03:16 +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="vGuIt5zt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F2AFC207D3 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:51090 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k844y-0003PB-81 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 18 Aug 2020 12:03:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60954) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k83tZ-0007Ig-5w for qemu-devel@nongnu.org; Tue, 18 Aug 2020 11:51:29 -0400 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:12947) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1k83tW-0005sa-JV for qemu-devel@nongnu.org; Tue, 18 Aug 2020 11:51:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1597765886; x=1629301886; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ePkVLsnfWVwwBpgGwwDbWcK2fWy/G2dNuGDrAq0TMfc=; b=vGuIt5ztOWoA+qwd7XL8x5YyIUTJeVtUdPHaAMAsnOEjvmgrPnolPBes 0ucmazl02VMDns2Z2aXylqwBdUTn7kBcTqMrXNUhDqZiG0Sr8XZtK1lMf Uz6LwTjDsYDkuuMIfFUg3ouENABnK8a2xyadm6HtaJ4UtScv+rVnByTeg 8=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-02.qualcomm.com with ESMTP; 18 Aug 2020 08:50:58 -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; 18 Aug 2020 08:50:58 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 27CBD1737; Tue, 18 Aug 2020 10:50:58 -0500 (CDT) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH v3 24/34] Hexagon (target/hexagon) opcode data structures Date: Tue, 18 Aug 2020 10:50:37 -0500 Message-Id: <1597765847-16637-25-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1597765847-16637-1-git-send-email-tsimpson@quicinc.com> References: <1597765847-16637-1-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 = 2020/08/18 11:50:57 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -32 X-Spam_score: -3.3 X-Spam_bar: --- X-Spam_report: (-3.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=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, riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, tsimpson@quicinc.com, philmd@redhat.com, aleksandar.m.mail@gmail.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Taylor Simpson --- target/hexagon/opcodes.h | 66 +++++++++++++++ target/hexagon/opcodes.c | 211 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 277 insertions(+) create mode 100644 target/hexagon/opcodes.h create mode 100644 target/hexagon/opcodes.c diff --git a/target/hexagon/opcodes.h b/target/hexagon/opcodes.h new file mode 100644 index 0000000..46384d4 --- /dev/null +++ b/target/hexagon/opcodes.h @@ -0,0 +1,66 @@ +/* + * 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 . + */ + +#ifndef HEXAGON_OPCODES_H +#define HEXAGON_OPCODES_H + +#include "hex_arch_types.h" +#include "attribs.h" + +typedef enum { +#define OPCODE(IID) IID +#include "opcodes_def_generated.h" + XX_LAST_OPCODE +#undef OPCODE +} opcode_t; + +typedef enum { + NORMAL, + HALF, + SUBINSN_A, + SUBINSN_L1, + SUBINSN_L2, + SUBINSN_S1, + SUBINSN_S2, + EXT_noext, + EXT_mmvec, + XX_LAST_ENC_CLASS +} enc_class_t; + +extern const char *opcode_names[]; + +extern const char *opcode_reginfo[]; +extern const char *opcode_rregs[]; +extern const char *opcode_wregs[]; + +typedef struct { + const char * const encoding; + size4u_t vals; + size4u_t dep_vals; + const enc_class_t enc_class; +} opcode_encoding_t; + +extern opcode_encoding_t opcode_encodings[XX_LAST_OPCODE]; + +extern size4u_t + opcode_attribs[XX_LAST_OPCODE][(A_ZZ_LASTATTRIB / ATTRIB_WIDTH) + 1]; + +extern void opcode_init(void); + +extern int opcode_which_immediate_is_extended(opcode_t opcode); + +#endif diff --git a/target/hexagon/opcodes.c b/target/hexagon/opcodes.c new file mode 100644 index 0000000..3a9a3a1 --- /dev/null +++ b/target/hexagon/opcodes.c @@ -0,0 +1,211 @@ +/* + * 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 . + */ + +/* + * opcodes.c + * + * data tables generated automatically + * Maybe some functions too + */ + +#include "qemu/osdep.h" +#include "opcodes.h" +#include "decode.h" + +#define VEC_DESCR(A, B, C) DESCR(A, B, C) +#define DONAME(X) #X + +const char *opcode_names[] = { +#define OPCODE(IID) DONAME(IID) +#include "opcodes_def_generated.h" + NULL +#undef OPCODE +}; + +const char *opcode_reginfo[] = { +#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */ +#define REGINFO(TAG, REGINFO, RREGS, WREGS) REGINFO, +#include "op_regs_generated.h" + NULL +#undef REGINFO +#undef IMMINFO +}; + + +const char *opcode_rregs[] = { +#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */ +#define REGINFO(TAG, REGINFO, RREGS, WREGS) RREGS, +#include "op_regs_generated.h" + NULL +#undef REGINFO +#undef IMMINFO +}; + + +const char *opcode_wregs[] = { +#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */ +#define REGINFO(TAG, REGINFO, RREGS, WREGS) WREGS, +#include "op_regs_generated.h" + NULL +#undef REGINFO +#undef IMMINFO +}; + +const char *opcode_short_semantics[] = { +#define OPCODE(X) NULL +#include "opcodes_def_generated.h" +#undef OPCODE + NULL +}; + + +size4u_t + opcode_attribs[XX_LAST_OPCODE][(A_ZZ_LASTATTRIB / ATTRIB_WIDTH) + 1]; + +static void init_attribs(int tag, ...) +{ + va_list ap; + int attr; + va_start(ap, tag); + while ((attr = va_arg(ap, int)) != 0) { + opcode_attribs[tag][attr / ATTRIB_WIDTH] |= 1 << (attr % ATTRIB_WIDTH); + } +} + +static size4u_t str2val(const char *str) +{ + size4u_t ret = 0; + for ( ; *str; str++) { + switch (*str) { + case ' ': + case '\t': + break; + case 's': + case 't': + case 'u': + case 'v': + case 'w': + case 'd': + case 'e': + case 'x': + case 'y': + case 'i': + case 'I': + case 'P': + case 'E': + case 'o': + case '-': + case '0': + ret = (ret << 1) | 0; + break; + case '1': + ret = (ret << 1) | 1; + break; + default: + break; + } + } + return ret; +} + +opcode_encoding_t opcode_encodings[] = { +#define DEF_ENC32(OPCODE, ENCSTR) \ + [OPCODE] = { .encoding = ENCSTR }, + +#define DEF_ENC_SUBINSN(OPCODE, CLASS, ENCSTR) \ + [OPCODE] = { .encoding = ENCSTR, .enc_class = CLASS }, + +#define DEF_EXT_ENC(OPCODE, CLASS, ENCSTR) \ + [OPCODE] = { .encoding = ENCSTR, .enc_class = CLASS }, + +#include "imported/encode.def" + +#undef DEF_ENC32 +#undef DEF_ENC_SUBINSN +#undef DEF_EXT_ENC +}; + +void opcode_init(void) +{ + init_attribs(0, 0); + +#define DEF_ENC32(OPCODE, ENCSTR) \ + opcode_encodings[OPCODE].vals = str2val(ENCSTR); + +#define DEF_ENC_SUBINSN(OPCODE, CLASS, ENCSTR) \ + opcode_encodings[OPCODE].vals = str2val(ENCSTR); + +#define LEGACY_DEF_ENC32(OPCODE, ENCSTR) \ + opcode_encodings[OPCODE].dep_vals = str2val(ENCSTR); + +#define DEF_EXT_ENC(OPCODE, CLASS, ENCSTR) \ + opcode_encodings[OPCODE].vals = str2val(ENCSTR); + +#include "imported/encode.def" + +#undef LEGACY_DEF_ENC32 +#undef DEF_ENC32 +#undef DEF_ENC_SUBINSN +#undef DEF_EXT_ENC + +#define ATTRIBS(...) , ## __VA_ARGS__, 0 +#define OP_ATTRIB(TAG, ARGS) init_attribs(TAG ARGS); +#include "op_attribs_generated.h" +#undef OP_ATTRIB +#undef ATTRIBS + + decode_init(); + +#define DEF_SHORTCODE(TAG, SHORTCODE) \ + opcode_short_semantics[TAG] = #SHORTCODE; +#include "shortcode_generated.h" +#undef DEF_SHORTCODE +} + + +#define NEEDLE "IMMEXT(" + +int opcode_which_immediate_is_extended(opcode_t opcode) +{ + const char *p; + if (opcode >= XX_LAST_OPCODE) { + g_assert_not_reached(); + return 0; + } + if (!GET_ATTRIB(opcode, A_EXTENDABLE)) { + g_assert_not_reached(); + return 0; + } + p = opcode_short_semantics[opcode]; + p = strstr(p, NEEDLE); + if (p == NULL) { + g_assert_not_reached(); + return 0; + } + p += strlen(NEEDLE); + while (isspace(*p)) { + p++; + } + /* lower is always imm 0, upper always imm 1. */ + if (islower(*p)) { + return 0; + } else if (isupper(*p)) { + return 1; + } else { + g_assert_not_reached(); + } +}