The patch stack is still a work in progress so BL1 is the only fixed image so far, but BL2 and BL31 need the same treatment. Your best bet until I get around to applying these fixes to the remaining images is the current workaround (TF_LDFLAGS="--no-warn-rwx-segment").
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CJKay added a comment to T996: Compiling bl31.elf with binutils 2.39 warns/fails with “ LOAD segment with RWX permissions”.
jan-kiszka added a comment to T996: Compiling bl31.elf with binutils 2.39 warns/fails with “ LOAD segment with RWX permissions”.
Thanks, good to know. So, 2.9 will likely carry a fix? Is there a better patch I can use already (the one referenced does not directly appear to solve the issue)?
CJKay added a comment to T996: Compiling bl31.elf with binutils 2.39 warns/fails with “ LOAD segment with RWX permissions”.
Hi Jan, sorry for the delay. This is currently in progress under the mixed-rwx topic: https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/18661/5
jan-kiszka added a comment to T996: Compiling bl31.elf with binutils 2.39 warns/fails with “ LOAD segment with RWX permissions”.
What's the status of this? Currently trying to build TF-A against the bookworm toolchain, and there the warning is even fatal. For now I'm working around it with this patch:
Fri, Jan 6
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I want to find a way to clean a memory region in TF-A firmware.
Fri, Dec 30
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Dec 19 2022
Dec 19 2022
madhukar-Arm updated the task description for T1001: Improvements to secure interrupt handling, partition runtime models and scheduling modes in Hafnium.
madhukar-Arm updated the task description for T1001: Improvements to secure interrupt handling, partition runtime models and scheduling modes in Hafnium.
madhukar-Arm updated the task description for T1001: Improvements to secure interrupt handling, partition runtime models and scheduling modes in Hafnium.
I want to find a way to clean a memory region in TF-A firmware.
Can you elaborate what you mean by "clean" ?
From the description it seems to be a simple memset, in which case data may remain in caches.
Does the requested operation need to complete to memory e.g. involving cache clean?
Dec 13 2022
Dec 13 2022