From patchwork Mon Feb 8 05:45:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 1437516 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=C+IFOyN7; 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 4DYwQT1FQDz9sVS for ; Mon, 8 Feb 2021 17:01:53 +1100 (AEDT) Received: from localhost ([::1]:49240 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l8zcN-0008PS-21 for incoming@patchwork.ozlabs.org; Mon, 08 Feb 2021 01:01:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:56230) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8zOf-0008Pr-Bx for qemu-devel@nongnu.org; Mon, 08 Feb 2021 00:47:41 -0500 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:14438) by eggs.gnu.org with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l8zOc-0006ST-Va for qemu-devel@nongnu.org; Mon, 08 Feb 2021 00:47:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1612763259; x=1644299259; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2UOA8UXQuVe6cGLaWcz2GMFFjzCoeDBOzabSoAliZJ8=; b=C+IFOyN7kVRAVCJUky0vfMcZ3VHUTcOtsYG39MUFWlcGwGrXfO3aAxRR NxTYENB11VIsIGfpGY5LxdnI8ClSyM5XIu+jr0Rj5+1Gc4QaF1WZkdodG NpUDshBBrQLp/5ksHT1u8IpN0GnE5fkODhFpzZTL7TEkPnHz/HbiH2Eg0 0=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-01.qualcomm.com with ESMTP; 07 Feb 2021 21:46:55 -0800 X-QCInternal: smtphost Received: from vu-tsimpson-aus.qualcomm.com (HELO vu-tsimpson1-aus.qualcomm.com) ([10.222.150.1]) by ironmsg01-sd.qualcomm.com with ESMTP; 07 Feb 2021 21:46:32 -0800 Received: by vu-tsimpson1-aus.qualcomm.com (Postfix, from userid 47164) id 1CE9B3348; Sun, 7 Feb 2021 23:46:29 -0600 (CST) From: Taylor Simpson To: qemu-devel@nongnu.org Subject: [PATCH v8 08/35] Hexagon (target/hexagon) GDB Stub Date: Sun, 7 Feb 2021 23:45:58 -0600 Message-Id: <1612763186-18161-9-git-send-email-tsimpson@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1612763186-18161-1-git-send-email-tsimpson@quicinc.com> References: <1612763186-18161-1-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" GDB register read and write routines Signed-off-by: Taylor Simpson Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- target/hexagon/internal.h | 2 ++ target/hexagon/gdbstub.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) create mode 100644 target/hexagon/gdbstub.c diff --git a/target/hexagon/internal.h b/target/hexagon/internal.h index c839796..2da85c8 100644 --- a/target/hexagon/internal.h +++ b/target/hexagon/internal.h @@ -28,6 +28,8 @@ #define HEX_DEBUG_LOG(...) do { } while (0) #endif +int hexagon_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); +int hexagon_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); void hexagon_debug(CPUHexagonState *env); extern const char * const hexagon_regnames[TOTAL_PER_THREAD_REGS]; diff --git a/target/hexagon/gdbstub.c b/target/hexagon/gdbstub.c new file mode 100644 index 0000000..9c8c04c --- /dev/null +++ b/target/hexagon/gdbstub.c @@ -0,0 +1,47 @@ +/* + * 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 . + */ + +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "exec/gdbstub.h" +#include "cpu.h" +#include "internal.h" + +int hexagon_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) +{ + HexagonCPU *cpu = HEXAGON_CPU(cs); + CPUHexagonState *env = &cpu->env; + + if (n < TOTAL_PER_THREAD_REGS) { + return gdb_get_regl(mem_buf, env->gpr[n]); + } + + g_assert_not_reached(); +} + +int hexagon_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) +{ + HexagonCPU *cpu = HEXAGON_CPU(cs); + CPUHexagonState *env = &cpu->env; + + if (n < TOTAL_PER_THREAD_REGS) { + env->gpr[n] = ldtul_p(mem_buf); + return sizeof(target_ulong); + } + + g_assert_not_reached(); +}