From patchwork Mon Sep 28 12:36:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 1372620 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=quicinc.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.a=rsa-sha256 header.s=qcdkim header.b=vDeRQqop; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4C0MtG5blfz9sSJ for ; Mon, 28 Sep 2020 22:54:46 +1000 (AEST) Received: from localhost ([::1]:42840 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kMsfz-0005mh-9Q for incoming@patchwork.ozlabs.org; Mon, 28 Sep 2020 08:54:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49894) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kMsP3-0004DY-6y for qemu-devel@nongnu.org; Mon, 28 Sep 2020 08:37:13 -0400 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:46899) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kMsP0-0005eW-GZ for qemu-devel@nongnu.org; Mon, 28 Sep 2020 08:37:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1601296630; x=1632832630; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nSFVw/uD69f9kfir7lzYU4XWsJC86mUqDdimBskNSE4=; b=vDeRQqop+Js5kLxCICDDcc+8V2vaEiPWLbObvVyhQAxEmexK2ZxgcbBD Nuy0Q0t1KbVViI+BoFvhQtS/MNMY/qDJzZGTrczytn4rxaXD1DunKsvJs WFgkmmo/YZ1AwQ4BX/Im+s0B9PrKWGn9YhggYtqBscQBcqgVty4l8Qrku 0=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-01.qualcomm.com with ESMTP; 28 Sep 2020 05:36:54 -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 05:36:54 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id F1EB4CE1; Mon, 28 Sep 2020 07:36:53 -0500 (CDT) From: Taylor Simpson To: tsimpson@quicinc.com Subject: [RFC PATCH v4 21/29] Hexagon (target/hexagon) opcode data structures Date: Mon, 28 Sep 2020 07:36:40 -0500 Message-Id: <1601296608-29390-22-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=199.106.114.38; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-01.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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Taylor Simpson --- target/hexagon/opcodes.h | 66 ++++++++++++++++ target/hexagon/opcodes.c | 199 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 265 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..ef02592 --- /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; + uint32_t vals; + uint32_t dep_vals; + const enc_class_t enc_class; +} opcode_encoding_t; + +extern opcode_encoding_t opcode_encodings[XX_LAST_OPCODE]; + +extern uint32_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..8621f1c --- /dev/null +++ b/target/hexagon/opcodes.c @@ -0,0 +1,199 @@ +/* + * 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 * const opcode_short_semantics[] = { +#define DEF_SHORTCODE(TAG, SHORTCODE) [TAG] = #SHORTCODE, +#include "shortcode_generated.h" +#undef DEF_SHORTCODE + NULL +}; + + +uint32_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 uint32_t str2val(const char *str) +{ + uint32_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 NEEDLE "IMMEXT(" + +int opcode_which_immediate_is_extended(opcode_t opcode) +{ + const char *p; + + g_assert(opcode < XX_LAST_OPCODE); + g_assert(GET_ATTRIB(opcode, A_EXTENDABLE)); + + p = opcode_short_semantics[opcode]; + p = strstr(p, NEEDLE); + g_assert(p); + 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(); + } +}