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[216.71.219.44]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-327bf175399sm33183171eec.26.2026.08.20.11.46.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 20 Aug 2026 11:46:35 -0700 (PDT) Message-ID: <99c5cf2a-268a-4e21-b7ef-18413387fa1b@oss.qualcomm.com> Date: Thu, 20 Aug 2026 11:46:35 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 06/11] target/hexagon: gate GPCYCLE guest register reads on SSR:CE To: Brian Cain , qemu-devel@nongnu.org Cc: Laurent Vivier , Helge Deller References: <20260819013144.3264096-1-brian.cain@oss.qualcomm.com> <20260819013144.3264096-7-brian.cain@oss.qualcomm.com> From: Pierrick Bouvier Content-Language: en-US In-Reply-To: <20260819013144.3264096-7-brian.cain@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODIwMDE0MSBTYWx0ZWRfXwnLpiHATnxQN NW0Hp3Es4xJRy5R5zMl7+q3vlC+7rJSabsdJXHB0TE0gm28KWmlUj2gWy1JmHif9LohbJ57Y0Ts qhQk2Lp8zc6fJFCXn5CvLJOXdsV5muM= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODIwMDE0MSBTYWx0ZWRfX6MmzhO+4Qv0w rIUP9Ud+SVjjIpc7wYCVp5ETC3Zu/bHZSKQKoQEvEIpoXSjut6xA6icyYZYUV0og1zOgIT9+NTo Bia8F/ddldEU2xZWLO+5nReyd1pshedlpqp5ADqNl/T5BHa3y3FSdiMFk6XjkbpIN9BVMoSUW+a BkG/froUWgr0eCbYmroWg0pSiX0ENOtAZTmWX90kgPMVmZptZxIO4wadlVuyt+DSCo1AFdRx4ym Aahq5IFBbPSrUFhiHKJvUU+byy+vahMo+p+ObfpqqPs5CORw1rImgzlGeLpkl9g14ywCselPVGP P7YkKakwnFNAsqS6K2+f4+LejQxKun5H89orUzEBNQgWhnS40TpCGxNTiFcAhVgHMGUDcQuvhOT NYvJaD/m8VWBNAR+zPuUZA4tHMCbZ6TItXR3aqw1heGQhqlsbTPDIHqOMiTVYhe/wfSKeNAORhM aFo7Y3ArmRefRdEEekQ== X-Authority-Analysis: v=2.4 cv=Y7/IdBeN c=1 sm=1 tr=0 ts=6a874b8d cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=iLqgmErQAxjCjdq5jj1Aqg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=iTxZZLL1oD44ykbE780A:9 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-GUID: mQFh_ZCBZWxnZ9ye9dNsJDRgU3Jjdmgq X-Proofpoint-ORIG-GUID: mQFh_ZCBZWxnZ9ye9dNsJDRgU3Jjdmgq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-20_01,2026-08-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 adultscore=0 clxscore=1015 phishscore=0 impostorscore=0 lowpriorityscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608200141 Received-SPF: pass client-ip=205.220.180.131; envelope-from=pierrick.bouvier@oss.qualcomm.com; helo=mx0b-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, RCVD_IN_MSPIKE_H2=0.001, 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: qemu development 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 On 8/18/2026 6:31 PM, Brian Cain wrote: > GPCYCLELO/GPCYCLEHI read as zero unless the cycle counter is enabled > (SSR:CE), matching the hardware. > > Signed-off-by: Brian Cain > --- > target/hexagon/cpu.c | 7 +++++-- > target/hexagon/op_helper.c | 9 ++------- > 2 files changed, 7 insertions(+), 9 deletions(-) > Reviewed-by: Pierrick Bouvier