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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-485881353e8sm5460366f8f.1.2026.09.04.03.15.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 04 Sep 2026 03:15:27 -0700 (PDT) Message-ID: <881be57e-5496-41f2-af0b-e21087fa5e54@oss.qualcomm.com> Date: Fri, 4 Sep 2026 12:15:26 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/33] hw/arm: Add basic Phytium Pi machine Content-Language: en-US To: Bin Meng , Pierrick Bouvier , Daniel Henrique Barboza Cc: Bin Meng , QEMU , Paolo Bonzini , Peter Maydell , qemu-arm@nongnu.org, Yonggang Luo , Anton Johansson References: <20260903112532.3276678-1-bin.meng@processmission.com> <20260903112532.3276678-3-bin.meng@processmission.com> <0795176d-4580-4acc-a3cf-c40f8d221661@oss.qualcomm.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=YtA/gYYX c=1 sm=1 tr=0 ts=6a9a9a46 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=FRSEYCzRAAAA:8 a=it7j-MvzHP9yZAzkGKMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 a=H4N_Y-AU75W7NKDNhZlT:22 X-Proofpoint-ORIG-GUID: tvYJksFViCD3GL7ZEUX2p-WK2__ojMco X-Proofpoint-GUID: tvYJksFViCD3GL7ZEUX2p-WK2__ojMco X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA0MDA5MiBTYWx0ZWRfX332289h4Oq/J ooKLiDDSP3Oi6rYpwtW+GKwUGuuZItTdbEQ+jHhRAYKRn8LWDibvobcvQ1ySoAB0YBm8vZlQqwa W+TKzCkL6qOQNEPpnNYuf+Tv+WTZjSs= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA0MDA5MiBTYWx0ZWRfX0evLFHPV+e+e ns426k6bXJwOrSziE4FEoLqzQkZTPX5L6IoK7jrfl+QyYZAErQ05q30x3fOwUsmsGSpjgQ3xStN PgUkrWB0jVNfeei2uNBQs80bg78J4cEAbUU8Dfxda6y5vkkifuhs4k9WbHj/yUVKOQQx9xsPhx5 8PMXUQAscl/hI6cYs7x075PeVdXNPNRo8m2WmwPfzXOOFOS5gEUOGcNuaOUlok/kft0HGeZ98ir DvpGLEJ+dK8amqbvcuZlNcNroSj6AHFcnoyErmjr0Kb4D7P2pvwp8iHDB7wN2tAta0lob7qioXg o4Nj87QP9UoBs4+r9Z6XtcSREZGF9QSZQZG7o7M/pwTOcsXtpJCeqiwzAckMkOX6NF9THKpLnmv kznUOGMDm+bFzJj+6J9FNpnpiL2RD69pEwarBOJTEQ8178ODUe8XqUQODEC4ZIXk0PD81wIcrUd EMy07QudtLRcEPvsUkQ== 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=2026-09-04_02,2026-09-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 malwarescore=0 impostorscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609040092 Received-SPF: pass client-ip=205.220.180.131; envelope-from=philmd@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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org On 4/9/26 09:57, Bin Meng wrote: > Hi Philippe, > > On Fri, Sep 4, 2026 at 12:56 AM Philippe Mathieu-Daudé > wrote: >> >> On 3/9/26 13:24, Bin Meng wrote: >>> Add the base topology for the Phytium Pi board built around the >>> E2000Q SoC, with two FTC310 and two FTC664 CPUs, RAM, GICv3/ITS, >>> and PL011 UARTs. >>> >>> Describe the CPUs as three non-uniform clusters matching the vendor >>> Linux device tree. Preserve the board CPU slot order so firmware >>> MPIDR 0x200 maps to QEMU CPU index 2. >>> >>> Signed-off-by: Bin Meng >>> --- >>> >>> hw/arm/Kconfig | 8 + >>> hw/arm/meson.build | 1 + >>> hw/arm/phytium_e2000.c | 406 +++++++++++++++++++++++++++++++++++++++++ >>> 3 files changed, 415 insertions(+) >>> create mode 100644 hw/arm/phytium_e2000.c >>> +static void phytium_pi_init(MachineState *ms) >>> +{ >>> + PhytiumE2000State *s = PHYTIUM_PI(ms); >>> + int i; >>> + >>> + if (kvm_enabled()) { >>> + error_report("phytium-pi: KVM is not supported"); >> >> Why is it relevant? > > This is because the machine relies on heterogeneous named > FTC310/FTC664 TCG CPU models and Arm KVM generally requires the host > CPU model. KVM is rejected explicitly instead of failing later during > vCPU initialization. Hmm OK. Cc'ing Pierrick to add to our list of things to think about for heterogenous emulation. I'd rather have this handled in a generic way, not per-machine. Hopefully TypeInfo::is_available will be sufficient to not expose the machine if KVM is not available. No need to think about that now. > >>> + exit(1); >>> + } >> >>> +}