Hi Amit,
The pdf you referred to is from one of the tech forums when we were discussing about our implementation approach. I would recommend you to refer https://trustedfirmware-a.readthedocs.io/en/latest/components/ras.html and to understand the build options refer to section 4.11.4 in above page.
thanks Manish Pandey
________________________________ From: Nagal, Amit via TF-A tf-a@lists.trustedfirmware.org Sent: 27 March 2024 14:51 To: tf-a@lists.trustedfirmware.org tf-a@lists.trustedfirmware.org Subject: [TF-A] RAS exceptions TRAP at EL3
Hi ,
I am using TF-A tests tests-single-fault.mk to inject RAS errors on AMD Xilinx platform which is cortex a-78 armv8.2 based.
With this test , I can see RAS exceptions are getting triggered at EL2 .
I want to trap this exception at EL3 and handle RAS errors further using FFH approach.
From code , I could see fvp platform using FAULT_INJECTION_SUPPORT=1 , but from documentation it is meant from ARMv8.4 .
I am following https://www.trustedfirmware.org/docs/RAS_Tech_Forum.pdf . Another option is RAS_ALLOW_ERR_REC_ACCESS_NS , but in the pdf , for FFH it is mentioned RAS_ALLOW_ERR_REC_ACCESS_NS should be 0.
Can I be advised what should be done to trap the RAS exception at EL3 on armv8.2 cortex a78 platform ?
Regards Amit
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