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BSS segment not cleared on firmware load #46

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dinuxbg opened this issue Jan 21, 2023 · 4 comments
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BSS segment not cleared on firmware load #46

dinuxbg opened this issue Jan 21, 2023 · 4 comments
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dinuxbg commented Jan 21, 2023

BSS segment is not cleared by the Linux kernel firmware loader.

Host: Linux BeagleBone 5.10.120-ti-arm64-r63 #1bullseye SMP Fri Sep 2 01:18:17 UTC 2022 aarch64 GNU/Linux
@dinuxbg dinuxbg added the bug label Jan 21, 2023
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dinuxbg commented Jan 21, 2023

Also present in latest BB-AI64 kernel:

 Linux BeagleBone 5.10.153-ti-arm64-r86 #1bullseye SMP Wed Jan 4 19:47:11 UTC 2023 aarch64 GNU/Linux

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dinuxbg commented Jan 21, 2023

Seems intentional behavior. From https://github.com/beagleboard/linux/blob/5.10.153-ti-arm64-r86/drivers/remoteproc/pru_rproc.c#L974 :

/* skip the memzero logic performed by remoteproc ELF loader */

This post has some background: https://lore.kernel.org/lkml/[email protected]/

@dinuxbg dinuxbg self-assigned this Jan 22, 2023
@dinuxbg dinuxbg pinned this issue Jan 22, 2023
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dinuxbg commented Jan 30, 2023

Sent a fix to upstream for review: https://sourceware.org/pipermail/binutils/2023-January/125836.html

dinuxbg pushed a commit that referenced this issue Feb 4, 2023
Bump to latest unreleased upstream
69266b1 
This should fix issue #46.

Signed-off-by: Dimitar Dimitrov <[email protected]>
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dinuxbg commented Feb 4, 2023

Fixed with release 2023.01

@dinuxbg dinuxbg closed this as completed Feb 4, 2023
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