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u-boot: align cache flushes in load_elf_image_shdr to line boundaries

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Prevent cache warning messages when using the 'bootelf' command on an
Arm target. Round down each section start address and round up the
respective section end to the nearest cache line.

Signed-off-by: Neil Stainton <nstainton@asl-control.co.uk>
[trini: Manually apply, rework whitespace]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Neil Stainton
2018-09-19 10:38:07 +01:00
committed by Tom Rini
parent 0c54411537
commit 18f201ea20
1 changed files with 4 additions and 1 deletions
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5
cmd/elf.c
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@ -219,7 +219,10 @@ static unsigned long load_elf_image_shdr(unsigned long addr)
memcpy((void *)(uintptr_t)shdr->sh_addr,
(const void *)image, shdr->sh_size);
}
flush_cache(shdr->sh_addr, shdr->sh_size);
flush_cache(rounddown(shdr->sh_addr, ARCH_DMA_MINALIGN),
roundup((shdr->sh_addr + shdr->sh_size),
ARCH_DMA_MINALIGN) -
rounddown(shdr->sh_addr, ARCH_DMA_MINALIGN));
}
return ehdr->e_entry;