From patchwork Fri Feb 28 16:43:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 11412957 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 57E94924 for ; Fri, 28 Feb 2020 17:11:20 +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 1F84E2469F for ; Fri, 28 Feb 2020 17:11:20 +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="amJRBGtk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1F84E2469F 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]:51038 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j7jAV-0004Di-8q for patchwork-qemu-devel@patchwork.kernel.org; Fri, 28 Feb 2020 12:11:19 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58481) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j7imC-0005kp-4o for qemu-devel@nongnu.org; Fri, 28 Feb 2020 11:46:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j7imA-0007J0-AP for qemu-devel@nongnu.org; Fri, 28 Feb 2020 11:46:12 -0500 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:13235) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j7ilV-0005U6-Cl for qemu-devel@nongnu.org; Fri, 28 Feb 2020 11:46:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1582908329; x=1614444329; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2+uAiedU+urypLFQ4IYHhsrI57ddDc4rKBSiDcdGapY=; b=amJRBGtkR/aajoPTF7pHv57EpeExqKHKZiqPm6tP51LATZqPk5fQ2jiF zPRKp6228J3cG2mxHiIPHqXN1E6SF4l2X4+RDCHwgpgG4gr7e4Js6x6sv iqoaQXNBlxy/3kmoTbmJvH07vwZtTkcBExRMAEt9VxIQtlMT9Z0BTMPk/ 0=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-01.qualcomm.com with ESMTP; 28 Feb 2020 08:44:31 -0800 Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg01-sd.qualcomm.com with ESMTP; 28 Feb 2020 08:44:30 -0800 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 646F6115A; Fri, 28 Feb 2020 10:44:30 -0600 (CST) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH v2 30/67] Hexagon opcode data structures Date: Fri, 28 Feb 2020 10:43:26 -0600 Message-Id: <1582908244-304-31-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582908244-304-1-git-send-email-tsimpson@quicinc.com> References: <1582908244-304-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 199.106.114.38 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: riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, Taylor Simpson , 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 | 67 +++++++++++++++ target/hexagon/opcodes.c | 217 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 284 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..d29a1a2 --- /dev/null +++ b/target/hexagon/opcodes.h @@ -0,0 +1,67 @@ +/* + * 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; + size1u_t is_ee:1; +} 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..b9c7612 --- /dev/null +++ b/target/hexagon/opcodes.c @@ -0,0 +1,217 @@ +/* + * 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] = {0}; + +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; +} + +static size1u_t has_ee(const char *str) +{ + return (strchr(str, 'E') != NULL); +} + +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); \ + opcode_encodings[OPCODE].is_ee = has_ee(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_QEMU(TAG, SHORTCODE, HELPER, GENFN, HELPFN) \ + opcode_short_semantics[TAG] = #SHORTCODE; +#include "qemu_def_generated.h" +#undef DEF_QEMU +} + + +#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(); + } +}