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ppc4xx: Mask 'vec' with 0x1f in uic_interrupt() for bit set/clear

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Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese 2008-03-27 08:47:26 +01:00
parent 234ea73c66
commit d8bd643141
1 changed files with 4 additions and 3 deletions
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7
cpu/ppc4xx/interrupts.c
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@ -218,15 +218,16 @@ static void uic_interrupt(u32 uic_base, int vec_base)
} else { } else {
set_dcr(uic_base + UIC_ER, set_dcr(uic_base + UIC_ER,
get_dcr(uic_base + UIC_ER) & get_dcr(uic_base + UIC_ER) &
~(0x80000000 >> vec)); ~(0x80000000 >> (vec & 0x1f)));
printf("Masking bogus interrupt vector %d" printf("Masking bogus interrupt vector %d"
" (UIC_BASE=0x%x)\n", vec, uic_base); " (UIC_BASE=0x%x)\n", vec, uic_base);
} }
/* /*
* After servicing the interrupt, we have to remove the status indicator. * After servicing the interrupt, we have to remove the
* status indicator
*/ */
set_dcr(uic_base + UIC_SR, (0x80000000 >> vec)); set_dcr(uic_base + UIC_SR, (0x80000000 >> (vec & 0x1f)));
} }
/* /*