| 91 | } |
| 92 | |
| 93 | void rt_hw_interrupt_umask(int vector) |
| 94 | { |
| 95 | irq_mask_8259A = irq_mask_8259A&~(1<<vector); |
| 96 | outb(IO_PIC1+1, (char)irq_mask_8259A); |
| 97 | outb(IO_PIC2+1, (char)(irq_mask_8259A >> 8)); |
| 98 | } |
| 99 | |
| 100 | void rt_hw_interrupt_mask(int vector) |
| 101 | { |