Searched defs:IMR_BIT (Results 1 - 1 of 1) sorted by relevance

/osnet-11/usr/src/grub/grub-0.97/netboot/
H A Dpic8259.h48 #define IMR_BIT(x) ( 1 << ( (x) % IRQ_PIC_CUTOFF ) ) macro
49 #define irq_enabled(x) ( ( inb ( IMR_REG(x) ) & IMR_BIT(x) ) == 0 )
50 #define enable_irq(x) outb ( inb( IMR_REG(x) ) & ~IMR_BIT(x), IMR_REG(x) )
51 #define disable_irq(x) outb ( inb( IMR_REG(x) ) | IMR_BIT(x), IMR_REG(x) )

Completed in 21 milliseconds