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Mon, 28 Sep 2020 13:29:17 -0400 Received: from unknown (HELO ironmsg02-sd.qualcomm.com) ([10.53.140.142]) by alexa-out-sd-02.qualcomm.com with ESMTP; 28 Sep 2020 10:29:04 -0700 Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg02-sd.qualcomm.com with ESMTP; 28 Sep 2020 10:29:02 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 9A2D7FE5; Mon, 28 Sep 2020 12:29:02 -0500 (CDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1601314153; x=1632850153; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AeWNPnD8Ws4V82nyUVwdy/8dg209/+fEngliZUkYbZ4=; b=khh02l7bxK5JWXfL6O/EIfcU9uCV3a6kiGABCWdCKZI8EPIXhP61ebly kfIk0Vyv+oUFHUaT4T1JTD1Jve+sR7etnu9Fca04P9ZM+sXNnbtsH1osl yPg6mcbSqWseJo8Qqz4M0IHfGmIgbFLgJ/OTpWQj64RhSKBQouEZ4T0Ii A=; X-QCInternal: smtphost From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH v4 10/29] Hexagon (target/hexagon) instruction and packet types Date: Mon, 28 Sep 2020 12:28:39 -0500 Message-Id: <1601314138-9930-11-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1601314138-9930-1-git-send-email-tsimpson@quicinc.com> References: <1601314138-9930-1-git-send-email-tsimpson@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/28 13:29:03 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: 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The insn_t and packet_t are the interface between instruction decoding and TCG code generation Signed-off-by: Taylor Simpson --- target/hexagon/insn.h | 74 +++++++++++++++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 74 insertions(+) create mode 100644 target/hexagon/insn.h diff --git a/target/hexagon/insn.h b/target/hexagon/insn.h new file mode 100644 index 0000000..087cc6e --- /dev/null +++ b/target/hexagon/insn.h @@ -0,0 +1,74 @@ +/* + * Copyright(c) 2019-2020 Qualcomm Innovation Center, Inc. All Rights Res= erved. + * + * 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_INSN_H +#define HEXAGON_INSN_H + +#include "cpu.h" + +#define INSTRUCTIONS_MAX 7 /* 2 pairs + loopend */ +#define REG_OPERANDS_MAX 5 +#define IMMEDS_MAX 2 + +struct Instruction; +struct Packet; +struct DisasContext; + +typedef void (*semantic_insn_t)(CPUHexagonState *env, + struct DisasContext *ctx, + struct Instruction *insn, + struct Packet *pkt); + +struct Instruction { + semantic_insn_t generate; /* pointer to genptr routine */ + uint8_t regno[REG_OPERANDS_MAX]; /* reg operands including predicat= es */ + uint16_t opcode; + + uint32_t iclass:6; + uint32_t slot:3; + uint32_t part1:1; /* + * cmp-jumps are split into two insns. + * set for the compare and clear for the jump + */ + uint32_t extension_valid:1; /* Has a constant extender attached */ + uint32_t which_extended:1; /* If has an extender, which immediate */ + uint32_t is_endloop:1; /* This is an end of loop */ + uint32_t new_value_producer_slot:4; + int32_t immed[IMMEDS_MAX]; /* immediate field */ +}; + +typedef struct Instruction insn_t; + +struct Packet { + uint16_t num_insns; + uint16_t encod_pkt_size_in_bytes; + + /* Pre-decodes about COF */ + uint32_t pkt_has_cof:1; /* Has any change-of-flow */ + uint32_t pkt_has_endloop:1; + + uint32_t pkt_has_dczeroa:1; + + uint32_t pkt_has_store_s0:1; + uint32_t pkt_has_store_s1:1; + + insn_t insn[INSTRUCTIONS_MAX]; +}; + +typedef struct Packet packet_t; + +#endif --=20 2.7.4