On 19/04/18 16:26, Mark Rutland wrote:
For better or worse, I don't think that it is sufficient to pass the compiler -mno-unaligned-accesses, even if it happens to mask the problem in this specific case. The compiler can validly assume structures have their usual alignment, and hence the LDRD should not be misaligned.
> > <snip>
... whereas using packed (rather than aligned(1), which I was wrong about):
> > <snip>
... which should avoid alignment traps so long as SCTLR.A is clear to permit unaligned LDR.
Fantastic; thank you for such a detailed response! I've pushed a fix to add the missing __attribute__((packed)): http://git.ipxe.org/ipxe.git/commitdiff/e901e6b73 Heinrich: does this fix the problem? Thanks, Michael _______________________________________________ ipxe-devel mailing list ipxe-devel@lists.ipxe.org https://lists.ipxe.org/mailman/listinfo.cgi/ipxe-devel
