From patchwork Tue Feb 11 00:39:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 11374383 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 BE6A8921 for ; Tue, 11 Feb 2020 00:45:45 +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 91FD420733 for ; Tue, 11 Feb 2020 00:45:45 +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="EQtCvFGZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 91FD420733 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]:41622 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j1JgO-0001hK-Kn for patchwork-qemu-devel@patchwork.kernel.org; Mon, 10 Feb 2020 19:45:44 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:59745) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j1Jbt-0000yP-N5 for qemu-devel@nongnu.org; Mon, 10 Feb 2020 19:41:08 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j1Jbr-00052l-Fy for qemu-devel@nongnu.org; Mon, 10 Feb 2020 19:41:05 -0500 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:59190) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j1Jbr-0004pJ-6C for qemu-devel@nongnu.org; Mon, 10 Feb 2020 19:41:03 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1581381663; x=1612917663; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=b0zbQn77uceuA8z2KmGY8r73w3JpiAXBpr9bzst7qeQ=; b=EQtCvFGZzAJbJL06mletbhB2yKJsD77InBRuJCORBLCbNo76X9ZY1TVQ GWxEIQDBhRTpkKoVW2RuC3kzYo5cFpqkuaSvRJcMP0+ZFLQCMSyAV5LWK 43Jv1XsN/C0W0hIUSchJVWyBbp48E2Vmvitu2FBqYpHqZVq5K85zlwn6l 4=; Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-02.qualcomm.com with ESMTP; 10 Feb 2020 16:40:58 -0800 Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg03-sd.qualcomm.com with ESMTP; 10 Feb 2020 16:40:58 -0800 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 6A9F51B5F; Mon, 10 Feb 2020 18:40:57 -0600 (CST) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [RFC PATCH 05/66] Hexagon Disassembler Date: Mon, 10 Feb 2020 18:39:43 -0600 Message-Id: <1581381644-13678-6-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1581381644-13678-1-git-send-email-tsimpson@quicinc.com> References: <1581381644-13678-1-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: 199.106.114.39 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" The Hexagon disassembler calls disassemble_hexagon to decode a packet and format it for printing Signed-off-by: Taylor Simpson --- disas/Makefile.objs | 1 + disas/hexagon.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++++ include/disas/dis-asm.h | 1 + 3 files changed, 58 insertions(+) create mode 100644 disas/hexagon.c diff --git a/disas/Makefile.objs b/disas/Makefile.objs index 3c1cdce..0e86964 100644 --- a/disas/Makefile.objs +++ b/disas/Makefile.objs @@ -24,6 +24,7 @@ common-obj-$(CONFIG_SH4_DIS) += sh4.o common-obj-$(CONFIG_SPARC_DIS) += sparc.o common-obj-$(CONFIG_LM32_DIS) += lm32.o common-obj-$(CONFIG_XTENSA_DIS) += xtensa.o +common-obj-$(CONFIG_HEXAGON_DIS) += hexagon.o # TODO: As long as the TCG interpreter and its generated code depend # on the QEMU target, we cannot compile the disassembler here. diff --git a/disas/hexagon.c b/disas/hexagon.c new file mode 100644 index 0000000..fd9af10 --- /dev/null +++ b/disas/hexagon.c @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2019 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" + +int print_insn_hexagon(bfd_vma memaddr, struct disassemble_info *info) +{ + uint32_t words[PACKET_WORDS_MAX]; + int len, slen; + char buf[1028]; + int status; + int i; + + for (i = 0; i < PACKET_WORDS_MAX; i++) { + 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; + } + } + + len = disassemble_hexagon(words, i, buf, 1028); + slen = strlen(buf); + if (buf[slen - 1] == '\n') { + buf[slen - 1] = '\0'; + } + (*info->fprintf_func)(info->stream, "%s", buf); + + return len; +} + diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h index f87f468..a7fa82d 100644 --- a/include/disas/dis-asm.h +++ b/include/disas/dis-asm.h @@ -436,6 +436,7 @@ int print_insn_little_nios2 (bfd_vma, disassemble_info*); 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_hexagon (bfd_vma, disassemble_info*); #if 0 /* Fetch the disassembler for a given BFD, if that support is available. */