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Tue, 10 Mar 2026 20:49:43 -0700 (PDT) X-Received: by 2002:a05:6830:2a91:b0:7d7:455d:1003 with SMTP id 46e09a7af769-7d76a6bd729mr906333a34.4.1773200983554; Tue, 10 Mar 2026 20:49:43 -0700 (PDT) From: Brian Cain To: qemu-devel@nongnu.org Cc: brian.cain@oss.qualcomm.com, philmd@linaro.org, ltaylorsimpson@gmail.com, matheus.bernardino@oss.qualcomm.com, marco.liebel@oss.qualcomm.com, quic_mburton@quicinc.com, sid.manning@oss.qualcomm.com, ale@rev.ng, anjo@rev.ng, Brian Cain Subject: [PATCH v5 12/35] target/hexagon: Add guest, system reg number state Date: Tue, 10 Mar 2026 20:49:00 -0700 Message-Id: <20260311034923.1044737-13-brian.cain@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260311034923.1044737-1-brian.cain@oss.qualcomm.com> References: <20260311034923.1044737-1-brian.cain@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzExMDAyOSBTYWx0ZWRfX1Q9C3w8aANPP LjjpLP9mx8+7YpFXG8b8RuzLt1lKmnQK29VkLGIiGybtSeqAWaO5JHXm6/hlPskMtP3dwNm9dwy bcxnzVIZHvb8Ynak3Ou66YhlXRXSR50kEU9AxYaDL5nlAwMi565Wr9SuN6xNLooLlJ7xquBJy0H FjhbupX1jIhU6B0mtgBwGXXcEFpNr0mM5AN66rPC8lKt9u21tvG/E5vJjFIY494MfIlUpSZsMhm p9yFnY8PDFQSWnm+vcCV8ulRCk6/X2nr8cGUYflbmgWPnGdxXen+RCyVhKyxUUPnyc+RhbKL4Xm tJtYwnSQKQpNdI9KxbLuIHd5HVxnMrhP6jvncPucyX01YNiMneOmRbWd+65Sbl73telxvaIGRTG yQ3zoNvmzeptNnoTCic3bbDNBN7O7c3u5baVHKUpmqYMQ4FU5dT2iNBIRs1I+LTJsbUefpuoIv5 9ajv4RuhX6AHyC8esaw== X-Proofpoint-ORIG-GUID: 3kHkXSgHznl3OVGbVhU439mmCzKgTvuL X-Authority-Analysis: v=2.4 cv=Lo2fC3dc c=1 sm=1 tr=0 ts=69b0e658 cx=c_pps a=+3WqYijBVYhDct2f5Fivkw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=COk6AnOGAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=ikZfMmNF8Hme0_TNbpMA:9 a=QEXdDO2ut3YA:10 a=eYe2g0i6gJ5uXG_o6N4q:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: 3kHkXSgHznl3OVGbVhU439mmCzKgTvuL X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-10_05,2026-03-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 impostorscore=0 bulkscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603110029 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=205.220.180.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.819, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.903, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1773201009089158500 From: Brian Cain Reviewed-by: Taylor Simpson Signed-off-by: Brian Cain --- target/hexagon/cpu.h | 11 +++++++++++ target/hexagon/cpu.c | 5 +++++ 2 files changed, 16 insertions(+) diff --git a/target/hexagon/cpu.h b/target/hexagon/cpu.h index 3825de43ee7..3562965c88a 100644 --- a/target/hexagon/cpu.h +++ b/target/hexagon/cpu.h @@ -99,6 +99,17 @@ typedef struct CPUArchState { target_ulong stack_start; =20 uint8_t slot_cancelled; + +#ifndef CONFIG_USER_ONLY + /* Some system registers are per thread and some are global. */ + uint32_t t_sreg[NUM_SREGS]; + + uint32_t greg[NUM_GREGS]; + uint32_t wait_next_pc; + + /* This alias of CPUState.cpu_index is used by imported sources: */ + uint32_t threadId; +#endif target_ulong new_value_usr; =20 MemLog mem_log_stores[STORES_MAX]; diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c index 1f172404608..6fabfaad6d2 100644 --- a/target/hexagon/cpu.c +++ b/target/hexagon/cpu.c @@ -306,6 +306,11 @@ static void hexagon_cpu_reset_hold(Object *obj, ResetT= ype type) set_float_detect_tininess(float_tininess_before_rounding, &env->fp_sta= tus); /* Default NaN value: sign bit set, all frac bits set */ set_float_default_nan_pattern(0b11111111, &env->fp_status); +#ifndef CONFIG_USER_ONLY + memset(env->t_sreg, 0, sizeof(uint32_t) * NUM_SREGS); + memset(env->greg, 0, sizeof(uint32_t) * NUM_GREGS); + env->wait_next_pc =3D 0; +#endif env->cause_code =3D HEX_EVENT_NONE; } =20 --=20 2.34.1