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ARM: prevent misaligned array inits

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Under option -munaligned-access, gcc can perform local char
or 16-bit array initializations using misaligned native
accesses which will throw a data abort exception. Fix files
where these array initializations were unneeded, and for
files known to contain such initializations, enforce gcc
option -mno-unaligned-access.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
[trini: Switch to usign call cc-option for -mno-unaligned-access as
Albert had done previously as that's really correct]
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Albert ARIBAUD 2012-10-09 09:28:15 +00:00 • committed by Tom Rini
parent 6528ff0109
commit b823fd9ba5
10 changed files with 156 additions and 19 deletions
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2
arch/arm/lib/interrupts.c
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@ -169,7 +169,7 @@ void do_prefetch_abort (struct pt_regs *pt_regs)
void do_data_abort (struct pt_regs *pt_regs)
{
printf ("data abort\n");
printf ("data abort\n\n MAYBE you should read doc/README.arm-unaligned-accesses\n\n");
show_regs (pt_regs);
bad_mode ();
}