From patchwork Thu Apr 6 19:29:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matheus Tavares Bernardino X-Patchwork-Id: 13203946 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id ED983C7618D for ; Thu, 6 Apr 2023 19:31:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pkVKE-0000Vu-62; Thu, 06 Apr 2023 15:31:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pkVJp-0008EL-SP for qemu-devel@nongnu.org; Thu, 06 Apr 2023 15:30:51 -0400 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pkVJn-0002KS-3f for qemu-devel@nongnu.org; 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Thu, 06 Apr 2023 19:30:43 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 336JUgFR019070 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 6 Apr 2023 19:30:42 GMT Received: from NASANPPMTA02.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Thu, 6 Apr 2023 12:30:40 -0700 From: Matheus Tavares Bernardino To: CC: , , , , , Sid Manning Subject: [PATCH 5/7] Hexagon (gdbstub): fix p3:0 read and write via stub Date: Thu, 6 Apr 2023 16:29:47 -0300 Message-ID: <7ea9a493960213e35b61906f86001bb9aade2b99.1680808943.git.quic_mathbern@quicinc.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 2KU5T9sNKiqA7Sdx2XGYGcNubQGKpNVA X-Proofpoint-ORIG-GUID: 2KU5T9sNKiqA7Sdx2XGYGcNubQGKpNVA X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-06_11,2023-04-06_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=633 adultscore=0 malwarescore=0 spamscore=0 bulkscore=0 phishscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304060172 Received-SPF: pass client-ip=205.220.168.131; envelope-from=quic_mathbern@quicinc.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Brian Cain Co-authored-by: Sid Manning Signed-off-by: Sid Manning Signed-off-by: Brian Cain Co-authored-by: Matheus Tavares Bernardino Signed-off-by: Matheus Tavares Bernardino Reviewed-by: Taylor Simpson --- target/hexagon/gdbstub.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/target/hexagon/gdbstub.c b/target/hexagon/gdbstub.c index 46083da620..a06fed9f18 100644 --- a/target/hexagon/gdbstub.c +++ b/target/hexagon/gdbstub.c @@ -25,6 +25,14 @@ int hexagon_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) HexagonCPU *cpu = HEXAGON_CPU(cs); CPUHexagonState *env = &cpu->env; + if (n == HEX_REG_P3_0_ALIASED) { + uint32_t p3_0 = 0; + for (int i = 0; i < NUM_PREGS; i++) { + p3_0 = deposit32(p3_0, i * 8, 8, env->pred[i]); + } + return gdb_get_regl(mem_buf, p3_0); + } + if (n < TOTAL_PER_THREAD_REGS) { return gdb_get_regl(mem_buf, env->gpr[n]); } @@ -37,6 +45,14 @@ int hexagon_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) HexagonCPU *cpu = HEXAGON_CPU(cs); CPUHexagonState *env = &cpu->env; + if (n == HEX_REG_P3_0_ALIASED) { + uint32_t p3_0 = ldtul_p(mem_buf); + for (int i = 0; i < NUM_PREGS; i++) { + env->pred[i] = extract32(p3_0, i * 8, 8); + } + return sizeof(target_ulong); + } + if (n < TOTAL_PER_THREAD_REGS) { env->gpr[n] = ldtul_p(mem_buf); return sizeof(target_ulong);