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Hexxeh / rpi-update

An easier way to update the firmware of your Raspberry Pi
MIT License
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rpi-update on rpi4/8G results in soft FP libs installed #311

Closed pascal71 closed 4 years ago

pascal71 commented 4 years ago

Good afternoon,

While using rpi-update to update to the latest firmware or a beta firmware on a rpi4 on 64bit RPIos I see that rpi-update decides to install the software FP libs. I don't think that's a correct decission.

1) Can this be fixed? 2) What is the best way to install the HW FP libs?

If needed I can help in further debugging/fixing the issue. Just let me know.

Kind regards,

Pascal van Dam
popcornmix commented 4 years ago

You are right the detection of hard/soft float fails on 64-bit. But both of these are 32-bit libraries, so fixing this would have no benefit for a 64-bit OS.

There are no current plans to ship 64-bit libs with rpi-update (the 64-bit OS stores these libs in a different location anyway).

In general these libs rarely change so updating isn't usually essential. You can get the updated libs by rebuilding from userland repo.

pascal71 commented 4 years ago

Good afternoon,

Many thanks for the quick answer. So in short, running 64-bit Linux I am not running the risk of running FP tasks on the main ALUs instead of the FPUs?

Kind regards,

   Pascal van Dam

On 11/18/20 2:26 PM, popcornmix wrote:

You are right the detection of hard/soft float fails on 64bit. But both of these are 32-bit libraries, so fixing this would have no benefit.

There are no current plans to ship 64-bit libs with rpi-update (the 64-bit OS stores these libs in a different location anyway).

In general these libs rarely change so updating isn't usually essential. You can get the updated libs by rebuilding from userland repo.

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popcornmix commented 4 years ago

Correct. 32-bit libs can't be used at all on a 64-bit OS so there is no danger they are having an effect.

pascal71 commented 4 years ago

Not a real issue on ARM64 deploys.