20 lines
546 B
C
20 lines
546 B
C
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#include "pic.h"
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#include "internal.h"
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#include "../../../runtime/stdio.h"
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SYSV_ABI void irq_pic_IntHandler(int irq) {
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if (irq >= 8)
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outb(PIC2_COMMAND, PIC_CMD_EOI);
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outb(PIC1_COMMAND, PIC_CMD_EOI);
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if (irq_pic_IRQHandler[irq] == 0)
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// Text output is EXPENSIVE, do that only on unexpected IRQs
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io_Printf("INT %xh (IRQ %d) (no handler)\n", irq + IRQ_PIC_INT_OFFSET_MASTER, irq);
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else {
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//io_Printf("INT %xh (IRQ %d), handler%llx\n", irq + IRQ_PIC_INT_OFFSET_MASTER, irq, irq_pic_IRQHandler[irq]);
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irq_pic_IRQHandler[irq]();
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}
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}
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