From patchwork Fri Oct 30 00:08:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 1390522 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=upQkqgZI; 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 4CMjdG0Ynsz9sTD for ; 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b=upQkqgZIXOtNYbCBStJRZ5+K47JUPICtZfe7nHMYrcDRTzBchJYwpvYe 4a+cWH36aHuwc+CIUXQ7znWS51MvwgDqm6Tq1T5bUZBsARlz8eAgqaoZP RyAAyNyy0aLibWnRJR+ycjR+hzxnrvIib4Z5kfTCx2BsIRHAVHG2HsV5I c=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-02.qualcomm.com with ESMTP; 29 Oct 2020 17:08:44 -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; 29 Oct 2020 17:08:44 -0700 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 5F6524119; Thu, 29 Oct 2020 19:08:43 -0500 (CDT) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH v5 05/33] Hexagon (disas) disassembler Date: Thu, 29 Oct 2020 19:08:11 -0500 Message-Id: <1604016519-28065-6-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1604016519-28065-1-git-send-email-tsimpson@quicinc.com> References: <1604016519-28065-1-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 = 2020/10/29 19:58:53 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=0.249, 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, richard.henderson@linaro.org, at.org@qualcomm.com, laurent@vivier.eu, tsimpson@quicinc.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Add hexagon to disas/meson.build Add disas/hexagon.c Add hexagon to include/disas/dis-asm.h Signed-off-by: Taylor Simpson --- include/disas/dis-asm.h | 1 + disas/hexagon.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++ disas/meson.build | 1 + 3 files changed, 70 insertions(+) create mode 100644 disas/hexagon.c diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h index 2164762..1f54fc0 100644 --- a/include/disas/dis-asm.h +++ b/include/disas/dis-asm.h @@ -459,6 +459,7 @@ int print_insn_xtensa (bfd_vma, disassemble_info*); int print_insn_riscv32 (bfd_vma, disassemble_info*); int print_insn_riscv64 (bfd_vma, disassemble_info*); int print_insn_rx(bfd_vma, disassemble_info *); +int print_insn_hexagon(bfd_vma, disassemble_info *); #ifdef CONFIG_CAPSTONE bool cap_disas_target(disassemble_info *info, uint64_t pc, size_t size); diff --git a/disas/hexagon.c b/disas/hexagon.c new file mode 100644 index 0000000..968f11c --- /dev/null +++ b/disas/hexagon.c @@ -0,0 +1,68 @@ +/* + * 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 . + */ + +/* + * QEMU Hexagon Disassembler + */ + +#include "qemu/osdep.h" +#include "disas/dis-asm.h" +#include "target/hexagon/cpu_bits.h" + +/* + * We will disassemble a packet with up to 4 instructions, so we need + * a hefty size buffer. + */ +#define PACKET_BUFFER_LEN 1028 + +int print_insn_hexagon(bfd_vma memaddr, struct disassemble_info *info) +{ + uint32_t words[PACKET_WORDS_MAX]; + bool found_end = false; + char buf[PACKET_BUFFER_LEN]; + int i; + + for (i = 0; i < PACKET_WORDS_MAX && !found_end; i++) { + int status = (*info->read_memory_func)(memaddr + i * sizeof(uint32_t), + (bfd_byte *)&words[i], + sizeof(uint32_t), info); + if (status) { + if (i > 0) { + break; + } + (*info->memory_error_func)(status, memaddr, info); + return status; + } + if (is_packet_end(words[i])) { + found_end = true; + } + } + + if (!found_end) { + (*info->fprintf_func)(info->stream, ""); + return PACKET_WORDS_MAX * 4; + } + + int len = disassemble_hexagon(words, i, memaddr, buf, PACKET_BUFFER_LEN); + int slen = strlen(buf); + if (buf[slen - 1] == '\n') { + buf[slen - 1] = '\0'; + } + (*info->fprintf_func)(info->stream, "%s", buf); + + return len; +} diff --git a/disas/meson.build b/disas/meson.build index 09a8527..be878c0 100644 --- a/disas/meson.build +++ b/disas/meson.build @@ -7,6 +7,7 @@ common_ss.add_all(when: 'CONFIG_ARM_A64_DIS', if_true: libvixl_ss) common_ss.add(when: 'CONFIG_ARM_DIS', if_true: files('arm.c')) common_ss.add(when: 'CONFIG_CRIS_DIS', if_true: files('cris.c')) common_ss.add(when: 'CONFIG_HPPA_DIS', if_true: files('hppa.c')) +common_ss.add(when: 'CONFIG_HEXAGON_DIS', if_true: files('hexagon.c')) common_ss.add(when: 'CONFIG_I386_DIS', if_true: files('i386.c')) common_ss.add(when: 'CONFIG_LM32_DIS', if_true: files('lm32.c')) common_ss.add(when: 'CONFIG_M68K_DIS', if_true: files('m68k.c'))