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13 lines
512 B
Diff
13 lines
512 B
Diff
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--- src/kernel/sel4/src/plat/pc99/machine/ioapic.c
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+++ src/kernel/sel4/src/plat/pc99/machine/ioapic.c
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@@ -127,6 +127,9 @@ void ioapic_mask(bool_t mask, uint32_t ioapic, uint32_t pin)
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return;
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}
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if (mask) {
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+ /* only mask level triggered interrupts */
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+ if (!(ioredtbl_state[index] & IOREDTBL_LOW_TRIGGER_MODE_LEVEL))
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+ return;
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ioredtbl_state[index] |= IOREDTBL_LOW_INTERRUPT_MASK;
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} else {
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ioredtbl_state[index] &= ~IOREDTBL_LOW_INTERRUPT_MASK;
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