Hi,

> -----Original Message-----
> From: Cornelia Huck <coh...@redhat.com>
> Sent: Monday, April 14, 2025 5:39 PM
> To: eric.auger....@gmail.com; eric.au...@redhat.com; qemu-
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> alex.ben...@linaro.org; m...@kernel.org; oliver.up...@linux.dev;
> seb...@redhat.com; Shameerali Kolothum Thodi
> <shameerali.kolothum.th...@huawei.com>; arm...@redhat.com;
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> phi...@linaro.org; pbonz...@redhat.com; Cornelia Huck
> <coh...@redhat.com>
> Subject: [PATCH v3 00/10] kvm/arm: Introduce a customizable aarch64 KVM
> host model

[..]

)
> 
> Code also available at
> https://gitlab.com/cohuck/qemu/-/tree/arm-cpu-model-
> rfcv3?ref_type=heads

I had a spin with the above branch, but Qemu boot fails,

ERROR:../target/arm/cpu64.c:57:get_sysreg_idx: code should not be reached
Bail out! ERROR:../target/arm/cpu64.c:57:get_sysreg_idx: code should not be 
reached

>From a quick debug, it looks like the below path results in an invalid ID idx.

kvm_arm_expose_idreg_properties()
 kvm_idx_to_idregs_idx(0)
  get_sysreg_idx(0xc000)  --> id_register seems to start at 0xc008

Haven't debugged further.

I am running against a 6.15-rc1 kernel after updating the Qemu branch by,
./update-aarch64-sysreg-code.sh  path_to_6.15-rc1

Not sure I am  missing anything. Please check and let me know.

Thanks,
Shameer

 

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