From patchwork Wed Jan 20 03:28:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 1429005 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; 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=aZkWoUbO; 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 4DLB7p3GKNz9sW8 for ; Wed, 20 Jan 2021 14:38:30 +1100 (AEDT) Received: from localhost ([::1]:35872 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l24KC-00015H-4V for incoming@patchwork.ozlabs.org; Tue, 19 Jan 2021 22:38:28 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:47770) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l24CP-00084K-Hv for qemu-devel@nongnu.org; Tue, 19 Jan 2021 22:30:25 -0500 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:5511) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l24CK-0007VU-5a for qemu-devel@nongnu.org; Tue, 19 Jan 2021 22:30:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1611113420; x=1642649420; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=T3J4rVmBym/Fk6VB+Z836yr1vZqtEwkwUyGet9rvDLw=; b=aZkWoUbOIlcJgtN3c/BiQ5BM47L2/nbv5iAA3RZbe2naayR3LHrwENqf nWYdoUjp1IArsZ0cAbnTc/72uFSQmjI6dqPEUQdjqHnEpy4x0ycCn5ho+ S4bWWm10e/yOX/HoonmuZSHbbaYB/HGTPhXdUlkk9M1wSA/2oV3t7Jz4C A=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-01.qualcomm.com with ESMTP; 19 Jan 2021 19:29:27 -0800 X-QCInternal: smtphost Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg-SD-alpha.qualcomm.com with ESMTP; 19 Jan 2021 19:29:27 -0800 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id DEB5B2A1B; Tue, 19 Jan 2021 21:29:26 -0600 (CST) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [PATCH v7 23/35] Hexagon (target/hexagon) opcode data structures Date: Tue, 19 Jan 2021 21:28:56 -0600 Message-Id: <1611113349-24906-24-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 Received-SPF: pass client-ip=199.106.114.38; envelope-from=tsimpson@qualcomm.com; helo=alexa-out-sd-01.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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Taylor Simpson --- target/hexagon/opcodes.h | 63 +++++++++++++++++++++ target/hexagon/opcodes.c | 142 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 205 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..9d38687 --- /dev/null +++ b/target/hexagon/opcodes.h @@ -0,0 +1,63 @@ +/* + * Copyright(c) 2019-2021 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 "qemu/bitmap.h" +#include "attribs.h" + +typedef enum { +#define OPCODE(IID) IID +#include "opcodes_def_generated.h" + XX_LAST_OPCODE +#undef OPCODE +} Opcode; + +typedef enum { + NORMAL, + HALF, + SUBINSN_A, + SUBINSN_L1, + SUBINSN_L2, + SUBINSN_S1, + SUBINSN_S2, + EXT_noext, + EXT_mmvec, + XX_LAST_ENC_CLASS +} EncClass; + +extern const char * const opcode_names[]; + +extern const char * const opcode_reginfo[]; +extern const char * const opcode_rregs[]; +extern const char * const opcode_wregs[]; + +typedef struct { + const char * const encoding; + const EncClass enc_class; +} OpcodeEncoding; + +extern const OpcodeEncoding opcode_encodings[XX_LAST_OPCODE]; + +extern DECLARE_BITMAP(opcode_attribs[XX_LAST_OPCODE], A_ZZ_LASTATTRIB); + +extern void opcode_init(void); + +extern int opcode_which_immediate_is_extended(Opcode opcode); + +#endif diff --git a/target/hexagon/opcodes.c b/target/hexagon/opcodes.c new file mode 100644 index 0000000..ba41450 --- /dev/null +++ b/target/hexagon/opcodes.c @@ -0,0 +1,142 @@ +/* + * Copyright(c) 2019-2021 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 * const opcode_names[] = { +#define OPCODE(IID) DONAME(IID) +#include "opcodes_def_generated.h" + NULL +#undef OPCODE +}; + +const char * const 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 * const 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 * const 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 +}; + +DECLARE_BITMAP(opcode_attribs[XX_LAST_OPCODE], A_ZZ_LASTATTRIB); + +static void init_attribs(int tag, ...) +{ + va_list ap; + int attr; + va_start(ap, tag); + while ((attr = va_arg(ap, int)) != 0) { + set_bit(attr, opcode_attribs[tag]); + } +} + +const OpcodeEncoding 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 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 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(); + } +}