Add code to make sure that normal vector exception table, when it is used due to unavailability of the high vector table, was not re-mapped from 0x0 via VBAR by someone else before us.
Signed-off-by: Andrey Smirnov <[email protected]> --- arch/arm/cpu/mmu.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 784221c..e32523b 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -302,6 +302,12 @@ static void vectors_init(void) * live without being able to catch NULL pointer dereferences */ exc = arm_create_pte(0x0); + + /* + Make sure that vecotrs are not re-mapped from 0x0 + via VBAR (no-op on non-ARMv7) + */ + set_vbar(0x0); } arm_fixup_vectors(); -- 2.5.0 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
